NEW ENGLAND ZENITH FUND
N-30D, 1998-08-27
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<PAGE>
 
    [LOGO OF THE NEW ENGLAND FINANCIAL, A METLIFE AFFILIATE APPEARS HERE]
 
    -------------------------------------------------------------------------
 
    ZENITH FUND
    VARIABLE PRODUCTS
 
 
 
 
                                                        SEMIANNUAL REPORTS
                                                        JUNE 30, 1998
<PAGE>
 
                               TABLE OF CONTENTS
 
<TABLE>
<S>                                                                          <C>
Loomis Sayles Small Cap Series..............................................   1
Morgan Stanley International Magnum Equity Series...........................   8
Alger Equity Growth Series..................................................  16
Capital Growth Series.......................................................  22
Goldman Sachs Midcap Value Series...........................................  27
Davis Venture Value Series..................................................  33
Westpeak Growth and Income Series...........................................  40
Westpeak Stock Index Series.................................................  47
Loomis Sayles Balanced Series...............................................  57
Back Bay Advisors Managed Series............................................  64
Salomon Brothers Strategic Bond Opportunities Series........................  72
Back Bay Advisors Bond Income Series........................................  82
Salomon Brothers U.S. Government Series.....................................  88
Back Bay Advisors Money Market Series.......................................  92
Notes to Financial Statements...............................................  98
Footnotes to Portfolio Manager Commentary................................... 108
</TABLE>
 
 
                                   IMPORTANT:
 
  Some funds appearing in this report may not be available under your variable
annuity product.
<PAGE>
 
 
                                                                   August, 1998
 
TO OUR POLICYHOLDERS/CONTRACT OWNERS:
 
We are pleased to provide you with the 1998 Semiannual Report for the Zenith
variable life insurance and variable annuity products.* This report includes
performance histories, present investments, and financial reports as of June
30, 1998, as well as the outlook and strategy of each fund. It is intended to
help you make an informed decision regarding the investment of the contract
value of your variable product.
 
New England Financial and its affiliates offer many variable life and variable
annuity products to help you meet your financial objectives. We are committed
to meeting your expectations by providing quality products with strong
performance potential and excellent personal service.
 
Please feel free to contact your Registered Representative with any questions
you may have regarding your financial objectives. Thank you for choosing a
Zenith Variable product.
 
Sincerely,

/s/ David Allen                           /s/ Bruce Long

David Allen                               Bruce Long
Senior Vice President                     President
New England Life Insurance Company        New England Annuities
                                          (A business unit of New England Life
                                          Insurance Company)
 
* Variable products are offered through New England Securities Corporation.
 
New England Financial is the service mark for New England Life Insurance
Company, Boston, MA and related companies.
 
 
                                        [LOGO OF RECYCLABLE PAPER APPEARS HERE]
<PAGE>
 
LOOMIS SAYLES SMALL CAP SERIES
PORTFOLIO MANAGERS: JEFFREY PETHERICK AND MARY CHAMPAGNE 
LOOMIS, SAYLES & COMPANY, L.P.
 
[PHOTOS OF JEFFREY PETHERICK AND MARY CHANPAGNE APPEAR HERE]
 
Q. HOW DID THE SERIES PERFORM OVER THE FIRST HALF OF THE YEAR?
 
A. For the six months ended June 30, 1998 the Series returned 2.8% compared to
the Lipper Variable Products Small Company Fund Average return of 7.1% and the
Russell 2000 return of 4.9% over the same period.
 
Q. HOW DID YOU MANAGE THE SERIES DURING THE FIRST HALF OF THE YEAR?
 
A. Because stock prices rose significantly in 1997, we were somewhat cautious
about the market's upside potential. As we entered 1998, we took a more defen-
sive approach to managing the Series. We invested a significant portion of the
Series' assets in real estate investment trusts (REITs), increased investment
in utilities and emphasized stocks with more consistent earnings growth. While
the Series performed reasonably well when the market declined, it did not
fully participate in the rallies. The REITs in the portfolio were particularly
disappointing. Despite their attractive valuations and high dividend yields,
they did not perform well in market downturns.
 
During the period we were slightly overweighted compared to the Russell 2000
Index in health care stocks, which performed poorly. However, we believe as
the market moves from favoring economically sensitive (or cyclical) companies,
the health care sector should benefit. Energy stocks were also poor performers
during the period, and while we were not heavily weighted in this group, the
stocks we owned lagged the overall market.
 
On the positive side, the Series' consumer stocks--retailers and restaurants--
helped performance. Other successful companies were in the technology area,
where we emphasized telecommunications and software companies, which were
strong performers.
 
Q. WHAT IS YOUR CURRENT OUTLOOK FOR THE MONTHS AHEAD?
 
A. Looking ahead, we expect the market to consolidate in the near future. We
believe large cap stocks will continue to outperform small cap stocks for the
remainder of the year, as investors pay high prices for the liquidity and rel-
ative stability large company stocks offer.
 
While we are experiencing one of the best post-war economic expansions, with
low inflation and interest rates, this idyllic environment is reflected mostly
in large company stock prices. Small company stocks are trading at historic
lows relative to large companies. With earnings growth of small companies be-
ginning to exceed that of large multinational firms, we are beginning to see
the right conditions for small stocks to advance. However, we believe that un-
til the market corrects its excesses on the large cap side, small cap stocks
will not perform well. As we look toward the next big market rise, we think
small company stocks will take the lead. The market in the last four years is
best characterized as "bigger was better." During the next economic cycle,
however, we think "small will be beautiful."
 
                                                                              1
<PAGE>
 
                           [LINE GRAPH APPEARS HERE]

             A $10,000 Investment Compared to the Russell 2000/23/

Average Annual Total Return

                        Small Cap         Lipper Variable Products Small
                         Series            Company Fund Average /15/
     6 months *           2.8%                       7.1%
     1 year              14.8%                      18.4%
     3 year              24.8%                      20.2%
     Since Inception     19.4%                       n/a

* not annualized



                            Small Cap Series          Russell 2000
                5/1/94           10,000                  10,000
                Dec-94            9,676                  10,027
                Dec-95           12,470                  12,879
                Dec-96           16,295                  15,004
                Dec-97           20,344                  18,358
               6/30/98           20,903                  19,263

 
 
[X]   FUND FACTS
 
GOAL: Long-term growth from investment in common stocks or their equivalents.
START DATE: May 1, 1994
SIZE: $236 million as of June 30, 1998
MANAGERS: Jeffrey Petherick and Mary Champagne. Mr. Petherick has managed the
Series since its inception in May 1994. Ms. Champagne joined the management of
the Fund in July 1995. Mr. Petherick has also managed the Loomis Sayles portion
of the New England Star Advisers Fund since July 1, 1994. Ms. Champagne has co-
managed the Loomis Sayles portion of the New England Star Advisers Fund since
July 1995. They also manage the Loomis Sayles Small Cap Fund and the Maxim
Series--Small Cap Fund. Mr. Petherick joined Loomis Sayles in 1990. Ms.
Champagne joined Loomis Sayles in 1993.
 
Performance numbers are net of all Series expenses but do not include any in-
surance, sales or administrative charges of variable annuity or life insurance
contracts; if these charges were included, the returns shown would be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
2
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES SMALL CAP SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--91.1% OF TOTAL NET ASSETS
 
 SHARES                                                   VALUE (A)
 
         AEROSPACE--2.1%
  35,500 Alliant Techsystems, Inc. ...................   $ 2,245,375
  68,300 Gencorp, Inc. ...............................     1,724,575
  37,900 Nichols Research Corp. ......................     1,035,144
                                                         -----------
                                                           5,005,094
                                                         -----------
         AUTOMOBILE & RELATED--0.9%
  29,400 Dura Automotive Systems, Inc. ...............       944,475
  66,300 Intermet Corp. ..............................     1,201,688
                                                         -----------
                                                           2,146,163
                                                         -----------
         BANKS--SAVINGS & LOAN--5.8%
  48,800 Bank United Corp. ...........................     2,336,300
  33,000 City National Corp. .........................     1,218,937
  27,900 CNB Bancshares, Inc. ........................     1,339,200
  50,212 Commercial Federal Corp. ....................     1,587,955
  59,120 Downey Financial Corp. ......................     1,932,485
  78,300 Imperial Bancorp. ...........................     2,349,000
  55,600 Local Financial Corp. .......................       722,800
  31,100 UST Corp. ...................................       824,150
  45,600 Webster Financial Corp. .....................     1,516,200
                                                         -----------
                                                          13,827,027
                                                         -----------
         BEVERAGES--0.9%
  91,400 Whitman Corp. ...............................     2,096,488
                                                         -----------
         BUILDING & RELATED--3.5%
  98,200 Champion Enterprises, Inc. ..................     2,884,625
  61,900 Furniture Brands International, Inc. ........     1,737,069
  51,200 Giant Cement Holdings, Inc.(c).................   1,465,600
 116,600 Shaw Industries, Inc. .......................     2,055,075
                                                         -----------
                                                           8,142,369
                                                         -----------
         BUSINESS SERVICES--2.8%
  53,200 Acnielson Corp. .............................     1,343,300
  35,800 Cort Business Services Corp.(c)..............     1,127,700
  70,500 Information Resources........................     1,304,250
 113,100 Viad Corp. ..................................     3,138,525
                                                         -----------
                                                           6,913,775
                                                         -----------
         CAPTIVE FINANCE--0.8%
  74,500 Franchise Mortgage Acceptance Corp. .........     1,941,656
                                                         -----------
         COMMUNICATION EQUIPMENT--0.7%
  47,300 California Microwave.........................       827,750
  25,800 Xylan Corp. .................................       769,163
                                                         -----------
                                                           1,596,913
                                                         -----------
         CHEMICALS--MAJOR--0.9%
  75,600 Solutia, Inc. ...............................     2,168,775
                                                         -----------
         CHEMICALS--SPECIALTY--1.9%
  64,400 Cuno, Inc. ..................................     1,392,650
  36,800 General Chemical Group, Inc. ................     1,021,200

         CHEMICALS--SPECIALTY--(CONTINUED)
  38,700 Hanna M.A. Co. ..............................   $   708,694
  27,300 Mississippi Chemical Corp....................       448,744
  25,600 Scotts Co. ..................................       953,600
                                                         -----------
                                                           4,524,888
                                                         -----------
         COMPUTER HARDWARE--2.4%
  81,000 Digi International, Inc. ....................     1,640,250
  35,600 Fore Systems, Inc. ..........................       943,400
  84,800 Komag, Inc. .................................       453,150
  34,800 Micron Electronics, Inc. ....................       419,775
  51,400 Telxon Corp. ................................     1,664,075
  45,900 Xircon, Inc. ................................       714,319
                                                         -----------
                                                           5,834,969
                                                         -----------
         COMPUTER SOFTWARE & SERVICES--3.3%
  43,000 American Management Systems, Inc. ...........     1,287,313
  15,300 Choicepoint, Inc. ...........................       774,563
  54,400 DSP Group, Inc. .............................     1,074,400
  98,300 Inprise Corp. ...............................       724,963
  80,800 Platinum Technology, Inc. ...................     2,307,850
 106,600 Rational Software Corp. .....................     1,625,650
                                                         -----------
                                                           7,794,739
                                                         -----------
         CONSUMER--JEWELRY/NOVELTIES/GIFTS--0.8%
  50,300 Jostens, Inc. ...............................     1,200,913
  22,700 Zale Corp. ..................................       722,144
                                                         -----------
                                                           1,923,057
                                                         -----------
         ELECTRIC COMPANIES--3.0%
  45,800 BEC Energy...................................     1,900,700
  20,800 Commonwealth Energy System...................       785,200
  72,000 Rochester Gas & Electric.....................     2,299,500
  66,800 WPS Resources Corp. .........................     2,191,875
                                                         -----------
                                                           7,177,275
                                                         -----------
         ELECTRICAL EQUIPMENT--1.3%
  42,200 Alpha Industries, Inc. ......................       630,363
 120,700 Sensormatic Electronics Corp. ...............     1,689,800
  42,120 Vishay Intertechnology, Inc. ................       755,528
                                                         -----------
                                                           3,075,691
                                                         -----------
         ELECTRONICS--1.8%
  42,200 AVX Corp.....................................       677,838
  39,800 Berg Electronics Corp. ......................       778,588
  71,100 Cirrus Logic, Inc. ..........................       790,988
  15,400 EG & G, Inc. ................................       462,000
  39,200 Exar Corp. ..................................       823,200
  94,000 Integrated Device Technology.................       672,688
                                                         -----------
                                                           4,205,302
                                                         -----------
 

                See accompanying notes to financial statements.

                                                                               3
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES SMALL CAP SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)
 

 SHARES                                        VALUE (A)
 
         FINANCIAL--CONSUMER/DIVERSIFIED--9.9%
         American General Hospitality
 103,700  Corp. ...........................   $ 2,203,625
  66,700 Amresco Inc. .....................     1,942,638
  73,400 Anthracite Capital, Inc. .........     1,018,425
  77,300 Brandywine Realty Trust...........     1,729,588
 101,400 Capital Automotive REIT...........     1,438,613
  75,600 Capstone Capital Corp.(c).........     1,738,800
  45,150 Financial Federal Corp. ..........     1,210,584
 173,700 Imperial Credit Commercial
          Mortgage Investment Corp. .......     2,268,956
 101,800 Koger Equity, Inc.(c).............     2,055,088
  59,000 Liberty Property..................     1,508,188
  55,300 Mack CA Realty Corp. .............     1,900,938
  59,000 Sun Communities, Inc. ............     1,954,375
 120,200 Unicapital Corp. .................     2,298,825
                                              -----------
                                               23,268,643
                                              -----------
         FOODS--2.6%
  31,600 Dean Foods........................     1,736,025
  20,200 Earthgrains Co. ..................     1,128,675
  61,200 International Multifoods Corp. ...     1,683,000
  22,100 Keebler Foods Co. ................       607,750
  43,700 Vlasic Foods International........       879,463
                                              -----------
                                                6,034,913
                                              -----------
         FREIGHT TRANSPORTATION--0.5%
  34,100 US Freightways Corp. .............     1,119,972
                                              -----------
         HEALTH CARE--DRUGS--1.0%
  39,600 Biovail Corp. International.......     1,267,200
         Weider Nutrition International,
  69,200  Inc. ............................     1,176,400
                                              -----------
                                                2,443,600
                                              -----------
         HEALTH CARE--MEDICAL PROPERTY/SUPPLIES--4.2%
  44,700 Allegiance Corp. .................     2,290,875
  91,300 Conmed Corp. .....................     2,099,900
  50,000 DVI, Inc. ........................     1,275,000
  77,300 Dentsply International, Inc. .....     1,932,500
  59,200 Invacare Corp. ...................     1,517,000
  25,600 Sola International, Inc. .........       836,800
                                              -----------
                                                9,952,075
                                              -----------
         HEALTH CARE--SERVICES--4.7%
  41,300 Alternative Resources Corp. ......     1,115,100
  46,800 Genesis Health Ventures, Inc. ....     1,170,000
  38,600 Healthcare & Retirement Corp. ....     1,522,288
  68,200 Healthplan Services Corp.(c)......     1,193,500
  67,200 Pharmerica, Inc. .................       810,600
 126,500 Phycor, Inc. .....................     2,095,156
  72,050 Sierra Health Services, Inc. .....     1,814,759
  60,343 Vitalink Pharmacy Services, Inc. .     1,331,317
                                              -----------
                                               11,052,720
                                              -----------
 SHARES                                        VALUE (A)
 
         HOUSEHOLD PRODUCTS--0.8%
  68,700 Dial Corp. New....................   $ 1,781,906
                                              -----------
         INSURANCE--6.5%
  41,300 Capital Re Corp. .................     2,958,113   
  61,100 Everest Reinsurance Holdings......     2,348,531
  16,300 Horace Mann Educators.............       562,350
  71,200 Protective Life Corp. ............     2,612,150
  55,600 Reinsurance Group of America, Inc.     3,287,350
 125,100 Reliance Group of America.........     2,189,250
  36,000 Trigon Healthcare, Inc. ..........     1,302,750
                                              -----------
                                               15,260,494
                                              -----------
         LEISURE TIME/PRODUCTS--0.6%
  90,200 Midway Games, Inc. ...............     1,409,375
                                              -----------
         MANUFACTURING--DIVERSIFIED--3.4%
  72,500 Mascotech, Inc. ..................     1,740,000
  54,500 Pentair, Inc......................     2,316,250
  81,800 Premark International, Inc. ......     2,638,050
  25,600 Smith A O Corp. ..................     1,323,200
                                              -----------
                                                8,017,500
                                              -----------
         MANUFACTURING--SPECIAL--3.0%
  54,700 Cognex Corp. .....................     1,011,950
  63,400 Federal Signal Corp. .............     1,541,413
  63,800 Hussmann International, Inc. .....     1,184,288
  24,600 Millipore Corp. ..................       670,350
  93,800 Regal Beloit Corp. ...............     2,673,300
                                              -----------
                                                7,081,301
                                              -----------
         METALS & MINING--1.9%
  89,100 Agnico Eagle Mines, Ltd. .........       490,050
  41,300 Chart Industries, Inc. ...........       986,038
  62,300 Imco Recycling, Inc. .............     1,152,550
  43,300 Lone Star Technologies, Inc. .....       660,325
  74,100 Worthington Industries, Inc. .....     1,116,131
                                              -----------
                                                4,405,094
                                              -----------
         NATURAL GAS PIPELINES--1.3%
  58,400 Eastern Enterprises...............     2,503,900
  28,800 Public Service Co. N.C., Inc. ....       626,400
                                              -----------
                                                3,130,300
                                              -----------
         OFFICE EQUIPMENT--2.4%
  72,000 Bell & Howell Co. ................     1,858,500
  37,300 Hon Industries....................     1,268,200
  70,900 National Computer Systems, Inc. ..     1,701,600
  32,700 Wallace Computer Services, Inc. ..       776,625
                                              -----------
                                                5,604,925
                                              -----------

         OIL & GAS--DRILLING EQUIPMENT--2.0%
  19,700 Atwood Oceanics, Inc. ............       784,306
  77,200 IRI International Corp. ..........       829,900

 
                See accompanying notes to financial statements.

4
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES SMALL CAP SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)
 

 SHARES                                             VALUE (A)
 
         OIL & GAS--DRILLING EQUIPMENT--(CONTINUED)
  45,900 Key Energy Corp. ......................   $   602,438
  29,800 National Oilwell, Inc. ................       793,650
  54,900 Offshore Logistics, Inc. ..............       974,475
  13,400 Veritas DGC, Inc. .....................       669,163
                                                   -----------
                                                     4,653,932
                                                   -----------
         OIL & GAS--EXPLORATION PRODUCTS--2.1%
  73,900 Forcenergy, Inc. ......................     1,316,344
  65,700 Lomak Petroleum, Inc.(c)...............       687,831
  54,600 Plains Resources, Inc. ................       975,975
  98,500 Vintage Petroleum, Inc.(c).............     1,859,188
                                                   -----------
                                                     4,839,338
                                                   -----------
         PAPER & FOREST PRODUCTS--0.5%
  29,900 Chesapeake Corp. ......................     1,164,231
                                                   -----------
         RESTAURANTS--0.4%
  31,200 Cracker Barrel Old Country Store.......       990,600
                                                   -----------
         RETAIL--FOOD CHAINS--0.8%
  43,300 Hannaford Bros. Co. ...................     1,905,200
                                                   -----------
         RETAIL--GENERAL MERCHANDISE--1.2%
  37,900 BJ's Wholesale Club, Inc. .............     1,539,688
  43,100 Saks Holdings, Inc. ...................     1,190,638
                                                   -----------
                                                     2,730,326
                                                   -----------
         RETAIL--SPECIALTY--4.3%
  83,300 Burlington Coat Factory Warehouse......     1,874,250
  70,400 Claire's Stores, Inc. .................     1,443,200
  31,700 Family Dollar Stores, Inc. ............       586,450
 114,300 Heilig Meyers Co. .....................     1,407,319
 102,100 Office Max, Inc. ......................     1,684,650
  63,500 Petco Animal Supplies..................     1,266,031
  50,100 United Auto Group, Inc. ...............     1,095,922
  22,000 Wet Seal, Inc. ........................       704,000
                                                   -----------
                                                    10,061,822
                                                   -----------
         SERVICES/FACILITY ENVIRONMENT--0.4%
  31,900 Southern California Water Co. .........       865,288
                                                   -----------
         SPECIALTY PRINTING--1.5%
  72,600 Banta Corp. ...........................     2,241,525
  49,500 Cadmus Communications Corp. ...........     1,200,375
                                                   -----------
                                                     3,441,900
                                                   -----------

 SHARES                                              VALUE (A)
 
         TELEPHONE--0.8%
  70,600 Alliant Communications, Inc. ..........   $ 1,937,088
                                                   -----------
         TEXTILE & APPAREL--0.9%
  42,400 Burlington Industries, Inc. ...........       596,250
  11,900 Oshkosh B Gosh, Inc. ..................       529,550
  67,000 Stride Rite Corp. .....................     1,009,188
   1,400 Timberland Co. ........................       100,713
                                                   -----------
                                                     2,235,701
                                                   -----------
         WASTE MANAGEMENT--0.5%
  68,950 World Fuel Services Corp. .............     1,193,697
                                                   -----------
         Total Common Stocks
          (Identified Cost $200,347,419)........   214,956,122
                                                   -----------
 
SHORT-TERM INVESTMENTS--8.9%
 
    FACE
   AMOUNT                                           VALUE (A)
 $11,407,856 Associates Corp. of North America,
              5.950%, 7/01/98...................  $ 11,407,856
   9,700,000 Chevron Oil Finance Co.
              5.350%, 7/01/98...................     9,700,000
                                                  ------------
             Short-Term Investments
              (Identified Cost $21,107,856).....    21,107,856
                                                  ------------
             Total Investments--100.0%
              (Identified Cost $221,455,275)(b).   236,063,978
             Other assets less liabilities......       (85,719)
                                                  ------------
             TOTAL NET ASSETS--100%.............  $235,978,259
                                                  ============
(a) See Note 1A.
(b) Federal Tax Information:
  At June 30,1998 the net unrealized appreciation on investments based on cost
  of $221,455,275 for federal income tax purposes was as follows:
   Aggregate gross unrealized appreciation for all 
   investments in which there is an excess of value 
   over tax cost................................  $ 27,289,608
   Aggregate gross unrealized depreciation for all 
   investments in which there is an excess of tax 
   cost over value..............................   (12,680,905)
                                                  ------------
   Net unrealized appreciation..................  $ 14,608,703
                                                  ============
(c) Non-income producing security.
 
                See accompanying notes to financial statements.

                                                                              5
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES SMALL CAP SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
                                           

ASSETS
 Investments at value.................................             $236,063,978
 Receivable for:
 Fund shares sold.....................................                  711,803
 Securities sold......................................                1,192,669
 Dividends and interest...............................                  347,509
                                                                   ------------
                                                                    238,315,959
LIABILITIES
 Payable for:
 Securities purchased.................................  $1,615,277
 Fund shares redeemed.................................     491,479
 Accrued expenses:
 Management fees......................................     185,088
 Deferred trustees' fees..............................       3,783
 Other expenses.......................................      42,073
                                                        ----------
                                                                      2,337,700
                                                                   ------------
                                                                   $235,978,259
                                                                   ============
NET ASSETS
 Net Assets consist of:
 Capital paid in......................................             $212,852,710
 Undistributed net investment income..................                  933,290
 Accumulated net realized gains.......................                7,583,556
 Unrealized appreciation on investments...............               14,608,703
                                                                   ------------
NET ASSETS............................................             $235,978,259
                                                                   ============
Computation of offering price:
Net asset value and redemption price per share
 ($235,978,259 divided by 1,445,185 shares of
 beneficial interest).................................             $     163.29
                                                                   ============
Identified cost of investments........................             $221,455,275
                                                                   ============

STATEMENT OF OPERATIONS
Six Months Ended June 30, 1998 (Unaudited)

INVESTMENT INCOME
 Dividends...........................................              $1,311,052(a)
 Interest............................................                 697,818
                                                                   ----------
                                                                    2,008,870
EXPENSES
 Management fees.....................................  $1,111,006
 Trustees' fees and expenses.........................      10,386
 Custodian...........................................      46,355
 Audit and tax services..............................       6,500
 Legal...............................................       4,541
 Printing............................................      42,459
 Insurance...........................................       4,073
 Miscellaneous.......................................       2,264
                                                       ----------
  Total expenses.....................................   1,227,584
  Less expenses assumed by the investment adviser....    (116,577)  1,111,007
                                                       ----------  ----------
NET INVESTMENT INCOME................................                 897,863
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS
 Realized gain on:
 Investments--net....................................               5,687,510
 Unrealized depreciation on:
 Investments--net....................................              (1,579,037)
                                                                   ----------
Net gain on investment transactions..................               4,108,473
                                                                   ----------
NET INCREASE IN NET ASSETS FROM OPERATIONS...........              $5,006,336
                                                                   ==========

(a) Net of foreign taxes of: $195.
 

                See accompanying notes to financial statements.

6
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES SMALL CAP SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 

<TABLE>
<CAPTION>
                                                                    SIX MONTHS
                                                      YEAR ENDED      ENDED
                                                     DECEMBER 31,    JUNE 30,
                                                         1997          1998
                                                     ------------  ------------
<S>                                                  <C>           <C>
FROM OPERATIONS
 Net investment income.............................  $  1,362,282  $    897,863
 Net realized gain on investments..................    22,598,381     5,687,510
 Unrealized appreciation (depreciation) on
  investments......................................     5,981,132    (1,579,037)
                                                     ------------  ------------
 INCREASE IN NET ASSETS FROM OPERATIONS............    29,941,795     5,006,336
                                                     ------------  ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income.............................    (1,336,197)            0
 Net realized gain on investments..................   (21,404,296)            0
                                                     ------------  ------------
                                                      (22,740,493)            0
                                                     ------------  ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares......................   117,472,557    59,004,550
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income..........     1,336,197             0
 Distributions from net realized gain..............    21,404,296             0
                                                     ------------  ------------
                                                      140,213,050    59,004,550
 Cost of shares redeemed...........................   (36,502,923)  (28,138,081)
                                                     ------------  ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL SHARE
  TRANSACTIONS.....................................   103,710,127    30,866,469
                                                     ------------  ------------
 TOTAL INCREASE IN NET ASSETS......................   110,911,429    35,872,805
NET ASSETS
 Beginning of the period...........................    89,194,025   200,105,454
                                                     ------------  ------------
 End of the period.................................  $200,105,454  $235,978,259
                                                     ============  ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period.................................  $     35,427  $    933,290
                                                     ============  ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares....................       721,830       356,601
 Issued in connection with the reinvestment of:
 Distributions from net investment income..........         8,598             0
 Distributions from net realized gain..............       137,451             0
                                                     ------------  ------------
                                                          867,879       356,601
 Redeemed..........................................      (226,920)     (170,546)
                                                     ------------  ------------
 Net change........................................       640,959       186,055
                                                     ============  ============
</TABLE>
FINANCIAL HIGHLIGHTS (UNAUDITED)
<TABLE>
<CAPTION>
                          MAY 2, 1994(A)
                             THROUGH       YEAR     YEAR      YEAR    SIX MONTHS ENDED
                           DECEMBER 31,    ENDED    ENDED    ENDED        JUNE 30,
                               1994        1995     1996      1997          1998
                          --------------  -------  -------  --------  ----------------
<S>                       <C>             <C>      <C>      <C>       <C>
Net Asset Value,
 Beginning of period....     $100.00      $ 96.61  $118.80  $ 144.29      $ 158.92
                             -------      -------  -------  --------      --------
Income From Investment
 Operations
 Net Investment Income..        0.14         0.85     1.05      1.22          0.62
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........       (3.38)       26.93    35.03     34.11          3.75
                             -------      -------  -------  --------      --------
 Total From Investment
  Operations............       (3.24)       27.78    36.08     35.33          4.37
                             -------      -------  -------  --------      --------
Less Distributions
 Distributions From Net
  Investment Income.....       (0.15)       (0.78)   (1.03)    (1.21)         0.00
 Distributions From Net
  Realized Capital
  Gains.................        0.00        (4.81)   (9.56)   (19.49)         0.00
                             -------      -------  -------  --------      --------
 Total Distributions....       (0.15)       (5.59)  (10.59)   (20.70)         0.00
                             -------      -------  -------  --------      --------
Net Asset Value, End of
 period.................     $ 96.61      $118.80  $144.29  $ 158.92      $ 163.29
                             =======      =======  =======  ========      ========
TOTAL RETURN (%)........       (3.23)(b)    28.88    30.67     24.85          2.75(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............        1.00 (c)     1.00     1.00      1.00          1.00(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............        0.32 (c)     1.26     1.15      0.97          0.81(c)
Portfolio Turnover Rate
 (%)....................          80 (c)       98       62        87            98(c)
Net Assets, End of
 period (000)...........     $ 3,105      $27,741  $89,194  $200,105      $235,978
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............        2.31 (c)     1.91     1.29      1.14          1.10(c)
</TABLE>
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.

                See accompanying notes to financial statements.
 
                                                                               7
<PAGE>
 
MORGAN STANLEY INTERNATIONAL MAGNUM EQUITY SERIES
PORTFOLIO MANAGER: FRANCINE BOVICH
MORGAN STANLEY ASSET MANAGEMENT INC.
 
[PHOTO OF FRANCINE BOVICH APPEARS HERE]
 
Q. HOW DID THE SERIES PERFORM OVER THE FIRST HALF OF THE YEAR?
 
A. The Morgan Stanley International Magnum Equity Series returned 17.96%,
outperforming the Lipper Variable Products International Fund Average, which
returned 16.3%, and the MSCI EAFE Index/18/, which returned 15.93%, over the
first six months of the year. Our regional allocation contributed to perfor-
mance as we have continued to reduce exposure to Asia and Japan and increase
European holdings. However, we did miss a short-lived rally in Japan and Asia
at the beginning of the year. The performance of our stock selection in Europe
was mixed, as we were underweighted in the bank and insurance sectors, which
were among the stronger performers, but were rewarded by strong performance
among our cyclical stocks in the second quarter. Our stock selection continues
to be strong in Japan, where we are still avoiding banks and domestic-oriented
companies in favor of exporters. Country-specific factors dominated the Asian
markets, thereby limiting the impact of stock selection. Currency hedging,
where we have hedged exposure to the yen and the deutschemark, both of which
depreciated versus the dollar, added to performance.
 
Among top performers for the six months were Dyckerhoff, a German cement com-
pany, Metro AG, a German retailer, and Metra Oy, a Finnish conglomerate that
makes diesel engines and bathroom ceramics. Volkswagen was also a big contrib-
utor to performance as it represents one of the portfolio's largest positions.
 
Q. HOW DID YOU MANAGE THE SERIES DURING THE FIRST HALF OF THE YEAR?
 
A. The first half of 1998 was terrific for the European markets, as the MSCI
Europe Index/19/ rose 26.5% during the first six months of the year. The
markets continue to surge as investor optimism surrounding the European Mone-
tary Union (EMU), an improving European economic backdrop and the turbulence
in Asia and Japan have made the European markets the most attractive in the
world. We had increased our European holdings during the first quarter of the
year, and now have about three-quarters of the portfolio invested there. Our
holdings in Europe are dominated by cyclical stocks, which performed well
given the improvement in economic activity. We also held our underweights in
Japan and in Asia, which benefited the portfolio as the MSCI Japan Index/20/
and the MCSI Pacific Free ex Japan Index/21/ fell 4.5% and 22.6%, respec-
tively, over the first six months of the year. The Japanese economy remains in
the doldrums, and the government lacks the political will to implement much
needed reforms to the banking sector and to reduce income taxes. We are focus-
ing our portfolio on exporters, which are less sensitive to the domestic econ-
omy and that will benefit from the devaluation of the yen. In Asia, gains dur-
ing the first quarter were more than offset by losses during the second quar-
ter as the economies there continued to falter. The portfolio holds less than
2% of total assets in Asian markets outside of Japan, and so is largely pro-
tected from volatility in those countries.
 
Q. WHAT IS YOUR CURRENT OUTLOOK FOR THE MONTHS AHEAD?
 
A. The outlook for the European markets remains positive, although valuations
are high relative to historical levels. Nonetheless, the markets' current val-
uations have come on the back of some fundamental changes which justify these
higher valuations. Earnings expectations have bottomed and now are rising, and
increased restructurings, share buy-backs, mergers and acquisitions, and lower
interest rates are all positive for equities. We expect that economic activity
in Europe will continue to strengthen, with France, the Netherlands, Italy and
Spain best positioned to benefit. European markets are being helped by in-
creasing fund flows into the markets as Europeans discover the joys of equity
investing. Additionally, falling interest rates ahead of the European Monetary
Union convergence, declining income tax rates and increasing consumer spending
are also expected to provide support for the European markets. With commodity
and import prices low as a result of the turmoil in Asia, inflation risks re-
main at bay. As a result of all of these factors, we expect that Europe will
outperform relative to world markets in the coming months and expect to add to
our European holdings.
 
We will maintain our underweight positions in Japan and Asia pending signs of
improvement in that region. Specifically, we will carefully monitor political
developments in Japan, as the choice of a new prime minister may signal the
future policies that will be implemented. We will continue to look for signs
that the bad debt crisis is being addressed, and would view any permanent tax
cut or other stimulative policy as a positive move. Without stability and
growth in Japan, we believe opportunities for regional growth throughout Asia
will be limited.
 
8
<PAGE>
 
A $10,000 Investment Compared to the EAFE Index/18/

Average Annual Total Return

              International Magnum      Lipper Variable Products
                 Equity Series       International Fund Average/12/

6 months*            18.0%                      16.3%
1 year                8.0%                       9.4%
3 year                9.4%                      15.4%
Since Inception       8.6%                       n/a

 *not annualized


                           [LINE GRAPH APPEARS HERE]

                          International Equity          EAFE
             10/31/94            10,000                10,000
               Dec-94            10,260                 9,555
               Dec-95            10,879                10,455
               Dec-96            11,627                10,915
               Dec-97            11,476                11,476
              6/30/98            13,537                13,322

[X]     FUND FACTS

GOAL: Long-term capital appreciation through investment primarily in
international equity securities.
 
START DATE: October 31, 1994

SIZE: $69 million as of June 30, 1998
 
MANAGER: Francine Bovich has managed the Morgan Stanley International Magnum
Equity Series since May 1997. Ms. Bovich is a Managing Director of Morgan
Stanley Asset Management Inc.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
                                                                              9
<PAGE>
 
NEW ENGLAND ZENITH FUND
(MORGAN STANLEY INTERNATIONAL MAGNUM EQUITY SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--89.8% OF TOTAL NET ASSETS
 

 SHARES                                                               VALUE (A)
 
         AUSTRIA--0.6%
   6,300 Bochler Uddeholm.........................................   $   416,608
                                                                     -----------
         AUSTRALIA--1.6%
  22,000 Australia & New Zealand Bank.............................       152,133
   5,600 Brambles Industries, Ltd. ...............................       110,161
  15,500 Commonwealth Bank........................................       181,271
   5,050 Lend Lease Corp. ........................................       102,351
   7,950 National Australia Bank, Ltd. ...........................       105,115
  29,000 News Corp., Ltd. ........................................       237,263
  12,300 Seven Network, Ltd. .....................................        37,107
  69,800 Telstra Corp. ...........................................       179,379
                                                                     -----------
                                                                       1,104,780
                                                                     -----------
         BELGIUM--0.8%
  10,000 GB Inno..................................................       564,668
                                                                     -----------
         DENMARK--1.5%
   8,800 BG Bank AS...............................................       545,627
   5,480 Unidanmark...............................................       492,997
                                                                     -----------
                                                                       1,038,624
                                                                     -----------
         FINLAND--5.1%
   6,780 Huhtamaki OY 'I' Free....................................       388,415
   3,905 Kone OY Series B.........................................       548,590
  55,000 Merita Ltd Series A......................................       363,252
  17,550 Metra OY Series B........................................       576,349
  10,750 Partek OY................................................       186,324
  21,708 Rauma OY.................................................       445,562
  42,300 Rautaruukki OY...........................................       324,135
   5,650 Sampo Insurance Co., Ltd. ...............................       268,014
  22,000 Valmet OY................................................       379,708
                                                                     -----------
                                                                       3,480,349
                                                                     -----------
         FRANCE--9.3%
   1,200 Alcatel Alsthom..........................................       244,339
     530 Bongrain S.A. ...........................................       266,153
   3,921 Cie de St. Gobain........................................       727,036
   5,840 France Telecommunication.................................       402,812
   2,700 Groupe Danone............................................       744,480
   5,600 Elf Aquitaine............................................       787,336
   5,100 Lafarge-Coppee...........................................       527,234
  10,600 Legris...................................................       496,187
   4,240 Michelin Series B........................................       244,762
   4,900 Rohne-Poulenc S.A. Series A..............................       276,379
   3,300 Scor.....................................................       209,331
   5,000 SGS Thomson Microelectronics.............................       354,384
   6,130 Total S.A. Series B......................................       796,960
     900 Union Assure Federales...................................       141,869
   9,500 Usinor...................................................       146,766
                                                                     -----------
                                                                       6,366,028
                                                                     -----------
         GERMANY--12.1%
  18,010 Basf AG..................................................       856,335
  11,500 Bayer AG.................................................       595,581
   5,400 Bayer Vereins Bank.......................................   $   458,122
   1,370 Buderus AG...............................................       683,766
   1,660 Dyckerhoff AG Preferred..................................       648,923
  13,700 Gerresheimer Glas........................................       204,347
   4,500 Hornbach Hldg AG Preferred...............................       411,711
   7,110 Metro AG.................................................       429,726
   7,110 Metro AG Rights..........................................            39
   2,130 Philipp Holzmann.........................................       507,860
   3,680 Plettac AG...............................................       516,255
   1,140 Sudzucker AG Preferred...................................       693,438
  10,710 Veba AG..................................................       720,651
     990 Viag AG..................................................       681,793
     958 Volkswagen...............................................       925,889
                                                                     -----------
                                                                       8,334,436
                                                                     -----------
         GREAT BRITAIN--17.9%
 180,000 Aegis Group..............................................       291,530
  28,096 Bank of Ireland..........................................       576,070
  44,372 Bank of Scotland.........................................       497,130
  96,005 BG PLC...................................................       555,438
  47,200 British Telecom PLC......................................       583,193
  74,825 BTR PLC..................................................       212,390
  43,600 Bunzl PLC................................................       205,293
  31,100 Burmah Castrol PLC.......................................       554,588
  19,200 Capital Radio............................................       227,854
  64,400 Charter PLC..............................................       673,130
  13,400 Commercial Union PLC.....................................       250,141
     400 Danka Business Systems PLC...............................         1,269
  43,964 Diageo PLC...............................................       521,187
  45,000 Glynwed International....................................       185,211
  36,500 Greal Universal Stores PLC...............................       481,458
  12,900 Halma PLC................................................        26,679
  82,500 Imperial Tobacco Group...................................       608,857
  70,000 Lonrho PLC...............................................       328,430
  33,050 Lonrho Africa PLC........................................        40,560
 181,700 Medeva...................................................       515,754
  14,600 P and O Steam Navigation Co. ............................       210,379
  56,000 Premier Farnell PLC......................................       285,185
 684,100 Premier Cons Oilfields LTD...............................       482,597
  43,300 Reckitt and Colman.......................................       827,089
   8,100 RMC Group PLC............................................       140,520
  85,854 Royal Sun Alliance Insurance.............................       888,056
 164,000 Scapa Group..............................................       520,278
  59,600 SIG PLC..................................................       224,902
  23,000 Tate and Lyle PLC........................................       182,511
  18,700 Unilever PLC.............................................       199,205
  23,800 Westminster Health Care Holdings.........................       126,370
 136,500 WPP Group PLC............................................       895,132
                                                                     -----------
                                                                      12,318,386
                                                                     -----------
         HONG KONG--0.9%
  18,500 China Light & Power Co. .................................        84,286
  93,700 Hong Kong & China Gas....................................       103,327
 
                See accompanying notes to financial statements.

10
<PAGE>
 
NEW ENGLAND ZENITH FUND
(MORGAN STANLEY INTERNATIONAL MAGNUM EQUITY SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)
 

<TABLE>
<CAPTION>
 SHARES                                                               VALUE (A)
 <C>     <S>                                                         <C>
 
         HONG KONG--(CONTINUED)
  28,000 Hong Kong Electric Holdings..............................   $    86,732
  51,200 Hong Kong Telecommunications.............................        96,149
   3,200 HSBC Holdings PLC........................................        78,265
  15,000 Hutchison Whampoa........................................        79,182
  30,000 LI & Fung, Ltd. .........................................        48,400
  17,000 Television Broadcasts....................................        44,979
                                                                     -----------
                                                                         621,320
                                                                     -----------
         ITALY--3.4%
 130,760 Magneti Marelli Spa......................................       287,021
  24,350 Marzotto & Figli.........................................       371,400
  59,450 Mediaset.................................................       379,603
  89,600 Sogefi...................................................       300,053
 200,912 Telecom Italia Spa.......................................       973,039
                                                                     -----------
                                                                       2,311,116
                                                                     -----------
         JAPAN--13.2%
  24,000 Amada, Ltd. .............................................       117,162
   2,000 Autobacs Seven Co. ......................................        57,424
  11,000 Canon....................................................       250,597
  18,000 Casio Computer Co. ......................................       167,802
  13,000 Dai Nippon Printing......................................       208,252
  51,000 Daicel Chemical Inds. ...................................       108,440
  31,000 Daifuku Co. .............................................       115,911
  29,000 Daikin Industries........................................       187,503
   3,000 Familymart Co., Ltd. ....................................       114,558
   9,000 Fuji Machine Manufacturing...............................       239,531
   7,000 Fuji Photo Film, Ltd. ...................................       244,522
  18,000 Fujitec Co. .............................................       109,351
  26,000 Fujitsu, Ltd. ...........................................       274,535
  45,000 Furukawa Electric Co. ...................................       151,985
  10,000 Hitachi Credit Corp. ....................................       168,873
  38,000 Hitachi, Ltd. ...........................................       248,716
  15,000 Inabata and Co. .........................................        46,431
  28,000 Kaneka Corp. ............................................       147,827
  12,000 Kurita Water Industries..................................       142,330
   3,000 Kyocera Corp. ...........................................       147,103
  10,000 Kyudenko Corp. ..........................................        65,669
   8,000 Lintec Corp. ............................................        70,008
  17,000 Matsushita Electric Industries...........................       274,174
  59,000 Mitsubishi Chemical Industries...........................       107,102
  17,000 Mitsubishi Estate........................................       149,996
  49,000 Mitsubishi Heavy Industries..............................       185,695
  14,000 Mitsumi Electric.........................................       248,065
   6,000 Murata Manufacturing.....................................       195,270
  27,000 NEC Corp. ...............................................       252,484
  10,000 Nifco, Inc. .............................................        79,554
   4,000 Nintendo, Ltd. ..........................................       371,736
      33 Nippon Telephone & Telegraph Corp. ......................       274,463
  56,000 Nissan Motors............................................       176,987
  13,000 Nissha Printing Co. .....................................        79,916
   6,000 ONO Pharmaceutical.......................................       144,066
</TABLE>
<TABLE>
<CAPTION>
 SHARES                                                               VALUE (A)
 <C>     <S>                                                         <C>
 
         JAPAN--(CONTINUED)
  26,000 Ricoh Co. ...............................................   $   274,723
   6,000 Rinnai Corp. ............................................        91,126
   5,000 Sangetsu.................................................        64,729
  11,000 Sankyo Co. ..............................................       251,392
  19,000 Sanwa Shutter Corp. .....................................        83,822
  19,000 Sekisui Chemical.........................................        97,563
  16,000 Sekisui House............................................       124,394
   5,000 Shimamura, Ltd. .........................................       135,604
  25,000 Shin-Estu Polymer Co. ...................................       101,251
   4,500 Sony Corp. ..............................................       388,913
   9,000 Sumitomo Marine and Fire.................................        50,510
  14,000 Suzuki Motor.............................................       127,577
   3,000 TDK Corp. ...............................................       222,391
   7,000 Tokyo Electron, Ltd. ....................................       215,159
  76,000 Toshiba Corp. ...........................................       311,651
     300 Toto.....................................................         1,829
  10,000 Toyota Motor Corp. ......................................       259,638
  35,000 Tsubakimoto Chain........................................       117,705
  11,000 Yamaha Corp. ............................................       107,399
  10,000 Yamanouchi Pharmacy......................................       209,011
                                                                     -----------
                                                                       9,160,425
                                                                     -----------
         MALAYSIA--0.1%
   3,000 Carlsberg Brewery........................................         9,108
  16,000 Guinness Anchor..........................................        16,963
   5,000 Nestle Malay.............................................        22,649
   5,000 Rothmans of Pall Mall....................................        34,636
                                                                     -----------
                                                                          83,356
                                                                     -----------
         NETHERLANDS--4.7%
  15,100 ABN Amro Holdings........................................       353,590
   3,200 Akzo Nobel NV............................................       711,863
  15,168 Ing Groep NV.............................................       993,913
  16,400 KNP BT (Kon) NV..........................................       423,564
   3,600 Koninklijke Bijenkorf Behee..............................       252,367
   5,300 Philips Electronics......................................       445,849
                                                                     -----------
                                                                       3,181,146
                                                                     -----------
         NEW ZEALAND--0.1%
  36,000 AMP Office Trust.........................................        16,859
   2,000 Fletcher Challenge Forests Division......................         1,124
   5,900 Telecom Corp. of New Zealand.............................        24,376
   2,000 Telecom Corp. of New Zealand Instalment..................         4,288
                                                                     -----------
                                                                          46,647
                                                                     -----------
         NORWAY--1.0%
  30,000 Saga Petroleum Series B..................................       424,685
   8,450 Sparebanken Primary Cap..................................       242,547
                                                                     -----------
                                                                         667,232
                                                                     -----------
         SINGAPORE--0.2%
   3,800 Creative Technology......................................        46,232
  16,000 Natsteel Electronics, Ltd. ..............................        26,872
</TABLE>
                See accompanying notes to financial statements.
 
                                                                              11
<PAGE>
 
NEW ENGLAND ZENITH FUND
(MORGAN STANLEY INTERNATIONAL MAGNUM EQUITY SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)
 
<TABLE>
<CAPTION>
 SHARES                                                               VALUE (A)
 <C>     <S>                                                         <C>
 
         SINGAPORE--(CONTINUED)
  14,000 United Overseas Bank.....................................   $    43,620
  13,000 Venture Manufacturing....................................        24,688
                                                                     -----------
                                                                         141,412
                                                                     -----------
         SPAIN--3.5%
  13,400 Banco Bilboa Vizcaya.....................................       687,695
  49,700 Iberdrola S.A. ..........................................       806,997
   8,063 Telefonica de Espana.....................................       372,786
  39,280 Uralita S.A. ............................................       559,679
                                                                     -----------
                                                                       2,427,157
                                                                     -----------
         SWEDEN--6.5%
  17,000 Autoliv, Inc. ...........................................       543,506
   1,270 Balder AB................................................        12,659
  12,300 BT Industries AB.........................................       248,282
  25,200 Esselte AB Series B......................................       584,504
 134,900 Nordbanken AS............................................       989,424
  10,100 Pharmacia and Upjohn.....................................       464,732
  27,400 PLM AB...................................................       432,849
   1,100 SKF AB...................................................        19,997
  11,800 Spectra Physics AB.......................................       188,628
  16,600 Svedala Industries.......................................       385,030
  12,700 Svenska Handelsbk........................................       589,142
                                                                     -----------
                                                                       4,458,753
                                                                     -----------
         SWITZERLAND--7.3%
      18 Ascom Holding AG.........................................        33,283
     287 Bobst AG.................................................       528,779
   1,120 Forbo Holdings...........................................       570,983
     725 Holderbk Financiere Glarus...............................       924,024
     520 Nestle S.A. .............................................     1,114,654
     341 Richemont Series A.......................................       446,995
</TABLE>
<TABLE>
<CAPTION>
   SHARES                                                            VALUE (A)
 <C>        <S>                                                     <C>
 
            SWITZERLAND--(CONTINUED)
        150 Schindler Holding AG.................................   $   232,781
        172 Schindler Holding Ptg. AG............................       262,379
        520 Sig Schweiz Industry Holding AG......................       424,090
      1,900 Valora Holding AG....................................       501,882
                                                                    -----------
                                                                      5,039,850
                                                                    -----------
            Total Common Stocks
             (Identified Cost $54,618,175).......................    61,762,293
                                                                    -----------
 
BONDS & NOTES--0.0%
 
<CAPTION>
    FACE
   AMOUNT
 <C>        <S>                                                     <C>
            NEW ZEALAND
 $   36,000 AMP Office Trust, 7.500%, 6/30/03....................        16,297
                                                                    -----------
            Total Bonds
             (Identified Cost $21,310)...........................        16,297
                                                                    -----------
 
SHORT-TERM INVESTMENT--9.2%
 
 $6,327,000 Repurchase Agreement with State Street Corp. dated
             6/30/98 at 5% to be repurchased at $6,327,879 on
             7/01/98 collateralized by $4,915,000 U.S. Treasury
             Note 8.125% due 8/15/19 with a value of $6,456,256..     6,327,000
                                                                    -----------
            Total Short-Term Investments
             (Identified Cost $6,327,000)........................     6,327,000
                                                                    -----------
            Total Investments--99.0%
             (Identified Cost $60,966,485)(b)....................    68,105,590
            Other assets less liabilities........................       697,212
                                                                    -----------
            TOTAL NET ASSETS--100%...............................   $68,802,802
                                                                    ===========
</TABLE>
 

                See accompanying notes to financial statements.

12
<PAGE>
 
NEW ENGLAND ZENITH FUND
(MORGAN STANLEY INTERNATIONAL MAGNUM EQUITY SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
FORWARD CONTRACTS OUTSTANDING AT JUNE 30, 1998
 
<TABLE>
<CAPTION>
                                    LOCAL    AGGREGATE              UNREALIZED
                        DELIVERY  CURRENCY      FACE      TOTAL    APPRECIATION/
                          DATE     AMOUNT      VALUE      VALUE    DEPRECIATION
<S>                     <C>      <C>         <C>        <C>        <C>
Deutsch Mark (sold)...  07/14/98   1,099,500 $  604,154 $  610,189    $(6,035)
Deutsch Mark (sold)...  08/14/98   1,100,000    623,053    611,592     11,461
Deutsch Mark (sold)...  09/14/98     130,000     72,069     72,407       (338)
Japanese Yen (bought).  07/16/98 135,758,016    985,611    984,186     (1,425)
Japanese Yen (bought).  08/19/98   8,068,574     58,860     58,780        (80)
Japanese Yen (sold)...  08/19/98 110,485,760    836,000    804,899     31,101
Japanese Yen (sold)...  09/10/98 207,376,000  1,516,904  1,515,481      1,423
Japanese Yen (sold)...  07/16/98 135,758,016  1,060,000    984,186     75,814
Japanese Yen (sold)...  09/28/98 216,726,020  1,591,000  1,587,971      3,029
Japanese Yen (sold)...  10/26/98 293,363,500  2,075,000  2,158,424    (83,424)
Swiss Franc (sold)....  07/21/98     744,000    502,703    492,355     10,348
                                                                      -------
                                                                      $41,874
                                                                      =======
</TABLE>
 
TEN LARGEST INDUSTRY HOLDINGS AT JUNE 30, 1998
 
<TABLE>
   <C> <S>                       <C>
       Banking & Financial
     1 Services                  14.41%
     2 Electronics               13.60%
     3 Energy                     8.49%
       Real Estate &
     4 Construction               8.43%
       Manufacturing &
     5 Machinery                  8.01%
     6 Telecommunications         7.62%
       Business Services &
     7 Supplies                   5.92%
       Broadcasting &
     8 Publishing                 5.85%
     9 Food Beverage & Tobacco    5.04%
       Chemicals &
    10 Pharmaceuticals            4.83%
</TABLE>
 
(a) See Note 1A.
(b) Federal Tax Information:
  At June 30,1998 the net unrealized appreciation on investments based on cost
    of $60,966,485 for federal income tax purposes was as follows:
 
<TABLE>
 <C> <S>                                                           <C>
     Aggregate gross unrealized appreciation for all investments
      in which there is an excess of value over tax cost........   $ 9,818,187
     Aggregate gross unrealized depreciation for all investments
      in which there is an excess of tax cost over value........    (2,679,082)
                                                                   -----------
     Net unrealized appreciation................................   $ 7,139,105
                                                                   ===========
</TABLE>


                See accompanying notes to financial statements.

 
                                                                              13
<PAGE>
 
NEW ENGLAND ZENITH FUND
(MORGAN STANLEY INTERNATIONAL MAGNUM EQUITY SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         STATEMENT OF OPERATIONS
JUNE 30, 1998 (UNAUDITED)                 SIX MONTHS ENDED JUNE 30, 1998
                                          (UNAUDITED)
 
<TABLE>
<S>                                                         <C>      <C>
ASSETS
 Investments at value.....................................           $68,105,590
 Cash.....................................................                   403
 Foreign cash at value (Cost $371,342)....................               374,747
 Receivable for:
 Fund shares sold.........................................                65,481
 Securities sold..........................................               564,934
 Open forward currency contracts--net.....................                41,874
 Dividends and interest...................................               136,061
 Foreign taxes............................................               114,591
 Unamortized organization expense.........................                 2,680
                                                                     -----------
                                                                      69,406,361
LIABILITIES
 Payable for:
 Securities purchased.....................................  $298,710
 Fund shares redeemed.....................................   164,174
 Withholding taxes........................................    10,551
 Miscellaneous............................................    23,772
 Accrued expenses:
 Management fees..........................................    40,054
 Deferred trustees' fees..................................     5,060
 Other expenses...........................................    61,238
                                                            --------
                                                                         603,559
                                                                     -----------
                                                                     $68,802,802
                                                                     ===========
NET ASSETS
 Net Assets consist of:
 Capital paid in..........................................           $59,846,621
 Undistributed net investment income......................               465,315
 Accumulated net realized gains...........................             1,208,767
 Unrealized appreciation on investments, forward contracts
  and foreign currency....................................             7,282,099
                                                                     -----------
NET ASSETS................................................           $68,802,802
                                                                     ===========
Computation of offering price:
Net asset value and redemption price per share
 ($68,802,802 divided by 5,369,664 shares of beneficial
 interest)................................................           $     12.81
                                                                     ===========
Identified cost of investments............................           $60,966,485
                                                                     ===========
</TABLE>
<TABLE>
<S>                                                    <C>         <C>
INVESTMENT INCOME
 Dividends...........................................              $  832,611(a)
 Interest............................................                 140,968
                                                                   ----------
                                                                      973,579
EXPENSES
 Management fees.....................................  $  271,071
 Trustees' fees and expenses.........................       7,280
 Custodian...........................................     106,966
 Audit and tax services..............................       8,786
 Legal...............................................       8,405
 Printing............................................      13,096
 Insurance...........................................       1,173
 Amortization of organization expenses...............         997
 Miscellaneous.......................................       1,537
                                                       ----------
  Total expenses.....................................     419,311
  Less expenses deferred by the investment adviser...     (27,762)    391,549
                                                       ----------  ----------
NET INVESTMENT INCOME................................                 582,030
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS,
 AND FOREIGN CURRENCY TRANSACTIONS
 Realized gain on:
 Investments--net....................................     952,796
 Foreign currency transactions--net..................     668,229
                                                       ----------
 Total realized gain on investments and foreign
  currency transactions..............................   1,621,025
                                                       ----------
 Unrealized appreciation (depreciation) on:
 Investments--net....................................   7,697,908
 Foreign currency transactions--net..................    (339,345)
                                                       ----------
 Total unrealized appreciation on investments and
  foreign currency transactions......................   7,358,563
                                                       ----------
Net gain on investment transactions..................               8,979,588
                                                                   ----------
NET INCREASE IN NET ASSETS FROM OPERATIONS...........              $9,561,618
                                                                   ==========
</TABLE>
(a) Net of foreign taxes of: $114,742.
 

                See accompanying notes to financial statements.


14
<PAGE>
 
NEW ENGLAND ZENITH FUND
(MORGAN STANLEY INTERNATIONAL MAGNUM EQUITY SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                    SIX MONTHS
                                                       YEAR ENDED      ENDED
                                                      DECEMBER 31,   JUNE 30,
                                                          1997         1998
                                                      ------------  -----------
<S>                                                   <C>           <C>
FROM OPERATIONS
 Net investment income..............................  $    451,721  $   582,030
 Net realized gain on investments and foreign
  currency transactions.............................       392,080    1,621,025
 Unrealized appreciation (depreciation) on
  investments and foreign currency transactions.....    (1,984,775)   7,358,563
                                                      ------------  -----------
 INCREASE (DECREASE) IN NET ASSETS FROM OPERATIONS..    (1,140,974)   9,561,618
                                                      ------------  -----------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income..............................      (401,271)           0
 Net realized gain on investments...................      (937,720)           0
                                                      ------------  -----------
                                                        (1,338,991)           0
                                                      ------------  -----------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares.......................    31,343,810   15,019,772
 Net asset value of shares issued in connection with
  the reinvestment of:
 Distributions from net investment income...........       401,271            0
 Distributions from net realized gain...............       937,720            0
                                                      ------------  -----------
                                                        32,682,801   15,019,772
 Cost of shares redeemed............................   (16,560,469)  (8,813,141)
                                                      ------------  -----------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL SHARE
  TRANSACTIONS......................................    16,122,332    6,206,631
                                                      ------------  -----------
 TOTAL INCREASE IN NET ASSETS.......................    13,642,367   15,768,249
NET ASSETS
 Beginning of the period............................    39,392,186   53,034,553
                                                      ------------  -----------
 End of the period..................................  $ 53,034,553  $68,802,802
                                                      ============  ===========
UNDISTRIBUTED (OVERDISTRIBUTED) NET INVESTMENT
 INCOME
 End of the period..................................  $   (116,715) $   465,315
                                                      ============  ===========
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares.....................     2,737,081    1,225,683
 Issued in connection with the reinvestment of:
 Distributions from net investment income...........        36,467            0
 Distributions from net realized gain...............        86,482            0
                                                      ------------  -----------
                                                         2,860,030    1,225,683
 Redeemed...........................................    (1,465,482)    (741,142)
                                                      ------------  -----------
 Net change.........................................     1,394,548      484,541
                                                      ============  ===========
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                          OCTOBER 31, 1994(A)                            SIX MONTHS
                                THROUGH        YEAR     YEAR     YEAR      ENDED
                             DECEMBER 31,      ENDED    ENDED    ENDED    JUNE 30,
                                 1994          1995     1996     1997       1998
                          ------------------- -------  -------  -------  ----------
<S>                       <C>                 <C>      <C>      <C>      <C>
Net Asset Value,
 Beginning of period....        $10.00        $ 10.23  $ 10.73  $ 11.29   $ 10.86
                                ------        -------  -------  -------   -------
Income From Investment
 Operations
 Net Investment Income..          0.03           0.09     0.06     0.08      0.11
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........          0.23           0.53     0.68    (0.23)     1.84
                                ------        -------  -------  -------   -------
 Total From Investment
  Operations............          0.26           0.62     0.74    (0.15)     1.95
                                ------        -------  -------  -------   -------
Less Distributions
 Distributions From Net
  Investment Income.....         (0.02)         (0.09)   (0.02)   (0.09)     0.00
 Distributions in Excess
  of Net Investment
  Income................          0.00          (0.03)    0.00     0.00      0.00
 Distributions From Net
  Realized Capital
  Gains.................          0.00           0.00    (0.16)   (0.08)     0.00
 Distributions in Excess
  of Net Realized
  Capital Gains.........          0.00           0.00     0.00    (0.11)     0.00
 Distributions From
  Paid-in Capital.......         (0.01)          0.00     0.00     0.00      0.00
                                ------        -------  -------  -------   -------
 Total Distributions....         (0.03)         (0.12)   (0.18)   (0.28)     0.00
                                ------        -------  -------  -------   -------
Net Asset Value, End of
 period.................        $10.23        $ 10.73  $ 11.29  $ 10.86   $ 12.81
                                ======        =======  =======  =======   =======
TOTAL RETURN (%)........          2.60(b)        6.03     6.87    (1.30)    17.96(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............          1.30(c)        1.30     1.30     1.30      1.30(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............          2.56(c)        1.29     0.67     0.96      1.93(c)
Portfolio Turnover Rate
 (%)....................             4(c)          89       64      115        34(c)
Net Assets, End of
 period (000)...........        $2,989        $16,268  $39,392  $53,035   $68,803
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............          5.38(c)        3.12     1.66     1.59      1.39(c)
</TABLE>
 
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.
 

                See accompanying notes to financial statements.

                                                                              15
<PAGE>
 
ALGER EQUITY GROWTH SERIES
PORTFOLIO MANAGER: DAVID ALGER
FRED ALGER MANAGEMENT, INC.
[PHOTO OF DAVID ALGER]
 
Q. HOW DID THE SERIES PERFORM DURING THE FIRST HALF OF 1998?
 
A. The first quarter of 1998 proved very rewarding for investors in the U.S.
equity market. Stocks that had been undeservedly oversold in the wake of the
Asian crisis rebounded nicely. Inflation remained subdued, and the Federal Re-
serve left interest rates unchanged. The post-Asian crisis earnings season came
and went with some predictable casualties, but most companies got through it
unscathed. As a result, the S&P 500 Index, the Lipper Variable Products Growth
Fund Average and the Alger Equity Growth Series all posted positive double-
digit returns during the first quarter.
 
The second quarter was much more challenging. Data from both Lipper and Morn-
ingstar revealed that the average U.S. stock fund had a quarterly return of -
0.3%. Of the many domestic investment disciplines, large cap growth funds per-
formed the best. The Lipper Variable Products Growth Fund Average realized a
quarterly return of 2.42%. Buoyed by a strong June, the Alger Equity Growth Se-
ries posted an enviable quarter of absolute and relative performance. A second
quarter return of 8.98% capped an impressive six months and boosted the Series'
year to date return to 26.05%, significantly outpacing the Lipper Variable
Products Growth Fund Average's return of 16.2% over the same period.
 
Q. HOW DID YOU MANAGE THE SERIES DURING THE FIRST HALF OF THE YEAR?
 
A. The management of the Series remained unchanged, a research intensive, bot-
tom-up approach focusing on rapidly growing large cap stocks. The Series re-
mained fully invested throughout the period, with a cash position between 2%-
8%. Consistent cash inflows helped fuel investment opportunities and precluded
the selling of core holdings in order to satisfy redemptions.
 
Performance relative to the Series' peer group and benchmark was enhanced in
part by an overweighting of financial services and pharmaceutical stocks. Pro-
pelled by stable earnings growth and lack of exposure to the Asian markets,
pharmaceutical holdings continued their ascent. Many financial services hold-
ings appreciated due to a strong stock market and speculation about potential
consolidation. Value was also added in the month of June, as several of the
stocks composing the Series' substantial technology position performed well.
Examples of such stocks include Ciena, Microsoft and America On Line.
 
Q. WHAT IS YOUR CURRENT OUTLOOK FOR THE MONTHS AHEAD?
 
A. Looking ahead, we are very optimistic regarding the second half of the year.
Given the sustained low levels of inflation, we continue to believe that the
Federal Reserve will not raise interest rates for the rest of 1998. In fact, if
the yield curve continues to flatten, it is conceivable that the Fed may be
compelled to lower interest rates. This environment would justify a price-
/earnings ratio for the stocks comprising the Dow Jones Industrial Average of
20 times next year's earnings. When this ratio is multiplied against our bot-
tom-up, 1999 Dow earnings projection of $500, we feel the market could be at
the 10,000 level by year-end--although predicting future levels of the market
is a difficult business. Coupled with the heightened interest in growth stocks
revealed in June, we feel the prospects for solid performance in the second
half are strong.
 
16
<PAGE>
 
A $10,000 Investment Compared to the S&P 500 Index/25/

Average Annual Total Return


                Alger Equity    Lipper Variable Products Growth
                Growth Series         Fund Average/10/
6 months*           26.1%                 16.2%
1 year              35.7%                 28.1%
3 year              26.3%                 25.6%
Since Inception     29.1%                  n/a
 
 *not annualized



 
                           [LINE GRAPH APPEARS HERE]


                               Alger Equity           S&P 500
                  10/31/94        10,000               10,000
                    Dec-94         9,580                9,794
                    Dec-95        14,245               13,461
                    Dec-96        16,122               16,544
                    Dec-97        20,254               22,055
                   6/30/98        25,530               25,952

 
[X] FUND FACTS
 
GOAL: Long-term capital appreciation.
 
START DATE: October 31, 1994
 
SIZE: $295 million as of June 30, 1998
 
MANAGER: David D. Alger has managed the Alger Equity Growth Series since its
inception in 1994. Mr. Alger is President and Chief Financial Officer of Fred
Alger Management Inc., and has been portfolio manager of The Alger Growth
Portfolio since 1986, The Alger American Fund Growth Portfolio since 1989 and
the Alger Retirement Fund since 1993.
 

Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
                                                                             17
<PAGE>
 
NEW ENGLAND ZENITH FUND
(ALGER EQUITY GROWTH SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--94.3% OF TOTAL NET ASSETS
 
<TABLE>
<CAPTION>
 SHARES                                                               VALUE (A)
 <C>     <S>                                                         <C>
 
         AEROSPACE--3.0%
 105,400 AMR Corp.(c).............................................   $ 8,774,550
                                                                     -----------
         BANKS--10.3%
  45,398 Banc One Corp............................................     2,533,776
 110,400 Bank of New York.........................................     6,699,900
  42,200 BankAmerica Corp.........................................     3,647,662
  53,000 BankBoston Corp..........................................     2,948,125
  57,400 Chase Manhattan Corp.....................................     4,333,700
  16,000 First Chicago NDB Corp...................................     1,418,000
  87,614 First Union Corp.........................................     5,103,516
  47,400 NationsBank Corp.........................................     3,626,100
                                                                     -----------
                                                                      30,310,779
                                                                     -----------
         BROADCASTING--0.9%
  86,000 CBS Corp.................................................     2,730,500
                                                                     -----------
         CASINOS & RESORTS--2.2%
 161,000 Carnival Corp............................................     6,379,625
                                                                     -----------
         COMMUNICATIONS--2.5%
 151,600 Worldcom, Inc.(c)........................................     7,343,125
                                                                     -----------
         COMMUNICATIONS EQUIPMENT--2.7%
  87,450 Cisco Systems, Inc.(c)...................................     8,050,866
                                                                     -----------
         COMMUNICATIONS SERVICES--0.5%
  28,600 Ascend Communications....................................     1,417,487
                                                                     -----------
         COMPUTER RELATED & BUSINESS EQUIPMENT--6.5%
  89,600 America Online(c)........................................     9,497,600
  46,900 Bay Networks, Inc.(c)....................................     1,512,525
 193,500 Compaq Computer Corp.....................................     5,490,563
  22,500 International Business Machines..........................     2,583,281
                                                                     -----------
                                                                      19,083,969
                                                                     -----------
         COMPUTER SOFTWARE--7.7%
  86,900 Compuware Corp...........................................     4,442,762
 167,300 HBO & Co.................................................     5,897,325
  86,400 Microsoft Corp...........................................     9,363,600
  60,450 Networks Associates(c)...................................     2,894,044
                                                                     -----------
                                                                      22,597,731
                                                                     -----------
         CONSUMER PRODUCTS--7.7%
  23,300 Black & Decker Corp......................................     1,421,300
  88,700 Masco Corp...............................................     5,366,350
  44,200 Mattel, Inc..............................................     1,870,212
  40,000 McKesson Corp............................................     3,250,000
  31,500 Newell Co................................................     1,569,094
 144,040 Tyco International, Ltd..................................     9,074,520
                                                                     -----------
                                                                      22,551,476
                                                                     -----------
         CONTAINERS--0.9%
  58,000 Owens-Illinois(c)........................................     2,595,500
                                                                     -----------
</TABLE>
<TABLE>
<CAPTION>
 SHARES                                                               VALUE (A)
 <C>     <S>                                                         <C>
 
         FINANCIAL SERVICES--8.8%
  56,400 Federal Home Loan Mortgage Corp..........................   $ 2,654,325
  30,500 H & R Block, Inc.........................................     1,284,812
 113,700 Household International..................................     5,656,575
  93,450 Morgan Stanley Dean Witter...............................     8,538,994
 126,300 Travelers Group..........................................     7,656,938
                                                                     -----------
                                                                      25,791,644
                                                                     -----------
         HEALTH CARE--2.4%
  44,100 Cardinal Health..........................................     4,134,375
  25,000 Elan PLC (ADR)(d)........................................     1,607,812
  23,200 Medtronic Inc............................................     1,479,000
                                                                     -----------
                                                                       7,221,187
                                                                     -----------
         INSURANCE--3.4%
  52,000 American International Group.............................     7,592,000
  40,000 MGIC Investment Corp.....................................     2,282,500
                                                                     -----------
                                                                       9,874,500
                                                                     -----------
         LEISURE & ENTERTAINMENT--1.0%
 126,200 International Game Technology............................     3,060,350
                                                                     -----------
         MACHINERY--1.0%
  57,500 AES Corp.................................................     3,022,344
                                                                     -----------
         PHARMACEUTICALS--11.1%
  52,900 Bristol-Myers Squibb Co..................................     6,080,194
  21,000 Eli Lilly & Co...........................................     1,387,312
  30,500 Omnicare, Inc............................................     1,162,812
  61,000 Pfizer, Inc..............................................     6,629,938
  91,900 Schering-Plough..........................................     8,420,338
 132,000 Warner-Lambert Co........................................     9,157,500
                                                                     -----------
                                                                      32,838,094
                                                                     -----------
         POLLUTION CONTROL--2.0%
 119,800 USA Waste Services, Inc.(c)..............................     5,915,125
                                                                     -----------
         RAILROAD--2.3%
  42,800 Burlington Northern Santa Fe.............................     4,202,425
  53,400 Kansas City Southern Industries..........................     2,649,975
                                                                     -----------
                                                                       6,852,400
                                                                     -----------
         RETAIL--13.2%
 150,000 CVS Corp.................................................     5,840,625
  33,100 Fred Meyer, Inc..........................................     1,406,750
 107,600 Home Depot, Inc..........................................     8,937,525
  68,500 Kmart Corp.(c)...........................................     1,318,625
 181,800 Safeway, Inc.(c).........................................     7,396,988
 183,300 Staples, Inc.(c).........................................     5,304,244
 145,000 Wal-Mart Stores, Inc.....................................     8,808,750
                                                                     -----------
                                                                      39,013,507
                                                                     -----------
         TECHNICAL SERVICES--1.6%
  72,800 Cognizant Corp...........................................     4,586,400
                                                                     -----------
</TABLE>


                See accompanying notes to financial statements.
 
18
<PAGE>
 
NEW ENGLAND ZENITH FUND
(ALGER EQUITY GROWTH SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)
 
<TABLE>
<CAPTION>
   SHARES                                                            VALUE (A)
 <C>        <S>                                                     <C>
 
            TELECOM NETWORKS--2.6%
     62,500 CIENA Corp.(c).......................................   $ 4,351,562
     47,000 Nokia Corp. (ADR)(d).................................     3,410,437
                                                                    -----------
                                                                      7,761,999
                                                                    -----------
            Total Common Stocks
             (Identified Cost $203,133,754)......................   277,773,158
                                                                    -----------
 
SHORT-TERM INVESTMENTS--4.7%
 
<CAPTION>
    FACE
   AMOUNT
 <C>        <S>                                                     <C>
 $2,000,000 Cargill, Inc., 5.570%, 7/10/98.......................     1,997,215
  1,000,000 Export Development Corp.,
             5.460%, 7/02/98.....................................       999,848
  2,000,000 General Electric Capital Services, Inc., 5.570%,
             7/14/98.............................................     1,995,977
  2,000,000 Reliastar Management Corp.,
             5.540%, 7/10/98.....................................     1,997,230
  2,000,000 Respol International Financial
             5.430%, 7/1/98......................................     1,999,698
  2,989,067 Street Street Global Advisors, Money Market Fund.....     2,989,067
</TABLE>
<TABLE>
<CAPTION>
    FACE
   AMOUNT                                                            VALUE (A)
 <C>        <S>                                                     <C>
 
 $2,000,000 Thunder Bay Funding, Inc.,
             5.920%, 7/07/98.....................................   $  1,998,028
                                                                    ------------
            Total Short-Term Investments
             (Identified Cost $13,977,063).......................     13,977,063
                                                                    ------------
            Total Investments--99.0%
             (Identified Cost $217,110,817)(b)...................    291,750,221
            Other assets less liabilities........................      3,000,102
                                                                    ------------
            TOTAL NET ASSETS--100%...............................   $294,750,323
                                                                    ============
</TABLE>
(a) See Note 1A.
(b) Federal Tax Information:
  At June 30, 1998 the net unrealized appreciation on investments based on
  cost of $217,110,817 for federal income tax purposes was as follows:
 
<TABLE>
   <S>                                                             <C>
   Aggregate gross unrealized appreciation for all investments in
    which there is an excess of value over tax cost .............  $ 75,178,018
   Aggregate gross unrealized depreciation for all investments in
    which there is an excess of tax cost over value .............      (538,614)
                                                                   ------------
   Net unrealized appreciation ..................................  $ 74,639,404
                                                                   ============
</TABLE>
 
(c) Non-income producing security.
(d) An American Depository Receipt (ADR) is a certificate issued by a U.S.
    bank representing the right to receive securities of the foreign issuer
    described. The values of ADRs are significantly influenced by trading on
    exchanges not located in the United States or Canada.


                See accompanying notes to financial statements.
 
                                                                             19
<PAGE>
 
NEW ENGLAND ZENITH FUND
(ALGER EQUITY GROWTH SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         STATEMENT OF OPERATIONS
JUNE 30, 1998 (UNAUDITED)                 SIX MONTHS ENDED JUNE 30, 1998
                                          (UNAUDITED)
 
<TABLE>
<S>                                                        <C>      <C>
ASSETS
 Investments at value....................................           $291,750,221
 Receivable for:
 Fund shares sold........................................                941,190
 Securities sold.........................................              2,291,908
 Dividends and interest..................................                135,966
 Foreign taxes...........................................                  1,708
 Unamortized organization expense........................                  2,680
                                                                    ------------
                                                                     295,123,673
LIABILITIES
 Payable for:
 Fund shares redeemed....................................  $157,379
 Accrued expenses:
 Management fees.........................................   169,778
 Deferred trustees' fees.................................     5,328
 Other expenses..........................................    40,865
                                                           --------
                                                                         373,350
                                                                    ------------
                                                                    $294,750,323
                                                                    ============
NET ASSETS
 Net Assets consist of:
 Capital paid in.........................................           $209,389,198
 Undistributed net investment income.....................                106,058
 Accumulated net realized gains..........................             10,615,663
 Unrealized appreciation on
  investments............................................             74,639,404
                                                                    ------------
NET ASSETS...............................................           $294,750,323
                                                                    ============
Computation of offering price:
Net asset value and redemption price per share
 ($294,750,323 divided by 13,273,694 shares of beneficial
 interest)...............................................           $      22.21
                                                                    ============
Identified cost of investments...........................           $217,110,817
                                                                    ============
</TABLE>
<TABLE>
<S>                                                      <C>      <C>
INVESTMENT INCOME
 Dividends.............................................           $   817,100(a)
 Interest..............................................               310,778
                                                                  -----------
                                                                    1,127,878
EXPENSES
 Management fees.......................................  $907,513
 Trustees' fees and expenses...........................    11,481
 Custodian.............................................    33,352
 Audit and tax services................................     9,361
 Legal.................................................     5,087
 Printing..............................................    47,179
 Insurance.............................................     4,586
 Amortization of organization expenses.................       997
 Miscellaneous.........................................     2,264
                                                         --------
  Total expenses.......................................             1,021,820
                                                                  -----------
NET INVESTMENT INCOME..................................               106,058
REALIZED AND UNREALIZED GAIN ON INVESTMENTS
 Realized gain on:
 Investments--net......................................            10,835,613
 Unrealized appreciation on:
 Investments--net......................................            45,948,681
                                                                  -----------
Net gain on investment transactions....................            56,784,294
                                                                  -----------
NET INCREASE IN NET ASSETS FROM OPERATIONS.............           $56,890,352
                                                                  ===========
</TABLE>
(a) Net of foreign taxes of: $4,692
 
                See accompanying notes to financial statements.


20
<PAGE>
 
NEW ENGLAND ZENITH FUND
(ALGER EQUITY GROWTH SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                    SIX MONTHS
                                                      YEAR ENDED      ENDED
                                                     DECEMBER 31,    JUNE 30,
                                                         1997          1998
                                                     ------------  ------------
<S>                                                  <C>           <C>
FROM OPERATIONS
 Net investment income.............................  $    214,111  $    106,058
 Net realized gain on investments..................    19,818,623    10,835,613
 Unrealized appreciation on investments............    14,830,675    45,948,681
                                                     ------------  ------------
 INCREASE IN NET ASSETS FROM OPERATIONS............    34,863,409    56,890,352
                                                     ------------  ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income.............................      (155,793)            0
 Net realized gain on investments..................   (19,679,801)            0
                                                     ------------  ------------
                                                      (19,835,594)            0
                                                     ------------  ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares......................    86,896,157    56,453,952
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income..........       155,793             0
 Distributions from net realized gain..............    19,679,801             0
                                                     ------------  ------------
                                                      106,731,751    56,453,952
 Cost of shares redeemed...........................   (36,896,638)  (23,912,416)
                                                     ------------  ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL SHARE
  TRANSACTIONS.....................................    69,835,113    32,541,536
                                                     ------------  ------------
 TOTAL INCREASE IN NET ASSETS......................    84,862,928    89,431,888
NET ASSETS
 Beginning of the period...........................   120,455,507   205,318,435
                                                     ------------  ------------
 End of the period.................................  $205,318,435  $294,750,323
                                                     ============  ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period.................................  $          0  $    106,058
                                                     ============  ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares....................     4,818,140     2,833,488
 Issued in connection with the reinvestment of:
 Distributions from net investment income..........         9,023             0
 Distributions from net realized gain..............     1,146,276             0
                                                     ------------  ------------
                                                        5,973,439     2,833,488
 Redeemed..........................................    (2,053,180)   (1,213,220)
                                                     ------------  ------------
 Net change........................................     3,920,259     1,620,268
                                                     ============  ============
</TABLE>
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                          OCTOBER 31, 1994(A)                              SIX MONTHS
                                THROUGH        YEAR      YEAR      YEAR      ENDED
                             DECEMBER 31,      ENDED    ENDED     ENDED     JUNE 30,
                                 1994          1995      1996      1997       1998
                          ------------------- -------  --------  --------  ----------
<S>                       <C>                 <C>      <C>       <C>       <C>
Net Asset Value,
 Beginning of period....        $10.00        $  9.56  $  13.80  $  15.58   $  17.62
                                ------        -------  --------  --------   --------
Income From Investment
 Operations
 Net Investment Income..          0.02           0.01      0.04      0.02       0.01
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........         (0.44)          4.65      1.78      3.92       4.58
                                ------        -------  --------  --------   --------
 Total From Investment
  Operations............         (0.42)          4.66      1.82      3.94       4.59
                                ------        -------  --------  --------   --------
Less Distributions
 Distributions From Net
  Investment Income.....         (0.02)         (0.01)    (0.04)    (0.02)      0.00
 Distributions From Net
  Realized Capital
  Gains.................          0.00          (0.41)     0.00     (1.88)      0.00
                                ------        -------  --------  --------   --------
 Total Distributions....         (0.02)         (0.42)    (0.04)    (1.90)      0.00
                                ------        -------  --------  --------   --------
Net Asset Value, End of
 period.................        $ 9.56        $ 13.80  $  15.58  $  17.62   $  22.21
                                ======        =======  ========  ========   ========
TOTAL RETURN (%)........         (4.20)(b)      48.80     13.17     25.63      26.05(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............          0.85 (c)       0.85      0.90      0.87       0.84(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............          1.07 (c)       0.14      0.24      0.12       0.09(c)
Portfolio Turnover Rate
 (%)....................            32 (c)        107        78       137         88(c)
Net Assets, End of
 period (000)...........        $1,917        $46,386  $120,456  $205,318   $294,750
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............          2.74 (c)       2.45      0.90        --         --
</TABLE>
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.
 

                See accompanying notes to financial statements.

                                                                              21
<PAGE>
 
CAPITAL GROWTH SERIES
PORTFOLIO MANAGER: G. KENNETH HEEBNER CAPITAL GROWTH MANAGEMENT LIMITED
PARTNERSHIP
 
[PHOTO OF G. KENNETH HEEBNER APPEARS HERE]
 
Q. HOW DID THE CAPITAL GROWTH SERIES PERFORM FOR THE FIRST HALF OF 1998?
 
A. For the six months ending June 30, 1998, Capital Growth Series posted a
return of 27.1%--performance well above that of the Lipper Variable Growth
Fund Average's return of 16.2%. The Series' return reflects a $108.30 per
share gain in net asset value to $507.90.
 
Q. WHAT WAS THE INVESTMENT ENVIRONMENT LIKE, AND HOW DID IT INFLUENCE YOUR
INVESTMENT STRATEGY?
 
A. A continuing strong economy, low inflation and a relatively stable interest
rate environment contributed to a strong stock market overall for the first
half of the year.
 
During the period, the Series remained fully invested, keeping money hard at
work in the market. I continue to look for well managed, moderate growth com-
panies that are attractively valued. I see opportunity in what, in my view,
remains a near perfect investment climate.
 
Over the past six months, I built a significant position in American Deposi-
tory Receipts (ADRs) of European companies, which I believe are well posi-
tioned to benefit from continued growth in Europe over the next several years.
There has been a trend toward corporate restructuring, deregulation and merg-
ers among companies in major European countries recently. The push toward
leaner, meaner companies may continue as the move toward a common currency ap-
proaches.
 
Holdings that represent these trends are Nokia, Volkswagen, Phillips Electron-
ics and Daimler Benz.
 
I also maintained a substantial weighting in financial services stocks, in-
cluding banks, insurance companies and savings and loans. Many of these issues
are enjoying visible earnings growth yet are reasonably priced.
 
In addition, the retail sector provided several attractive investment opportu-
nities, including WalMart, Kmart and the Gap. These well known retailers
earned a spot in the portfolio because they share common traits: They are well
managed companies, benefiting from robust consumer spending, which reflects a
favorable economic climate.
 
Finally, I decreased my position in airline stocks as I found more attractive
opportunities in other sectors of the market. I was also careful to avoid in-
vesting in companies that appeared overpriced and what I considered to be
speculative stocks whose earning power is currently stagnant.
 
Q. HOW WOULD YOU DESCRIBE THE SERIES' INVESTMENT APPROACH?
 
A. The Capital Growth Series takes a concentrated approach, focusing on
established, reasonably priced companies in industries that offer the greatest
potential for growth. This generally means that I pursue my objective of
capital growth by investing more money in a smaller number of stocks instead
of maintaining smaller positions across a greater number of issues. My core
portfolio will typically number 20 to 30 issues. This allows me to use my
stock selection abilities to take full advantage of the stock market's growth
potential. Of course, a concentrated portfolio can involve greater potential
for price fluctuations than larger, more diversified portfolios.
 
Q. WHAT FACTORS HELPED OR HURT THE SERIES PERFORMANCE DURING THE YEAR?
 
A. Positive market reaction to many of the stocks in the portfolio contributed
to the Series' strong performance--specifically, large-cap growth companies
that maintained solid earnings momentum. In addition, several individual
holdings--Volkswagen, Nokia and Phillips Electronics, in particular--helped
fuel the Series' performance.
 
Q. WHAT IS YOUR OUTLOOK FOR THE REST OF 1998?
 
A. The U.S. economy remains strong. Although the Federal Reserve Board is
concerned about Asia's financial crisis, I expect interest rates to stay where
they are in the near future as inflation will likely remain subdued. All in
all, I believe this is a recipe for continued stock market success.
 
As always, it is my belief that outstanding companies with superior earnings
and revenue growth will outperform the broader market over time. As a result,
I will continue to focus on finding those companies that I believe can deliver
earnings growth in excess of investor expectations--and that are available at
reasonable prices. This means paying strict attention to the fundamentals and
valuations of individual companies that I currently own--and those that I'm
looking to buy. It is my goal to be invested in the most promising growth
stocks, whatever the market sector.
 
22
<PAGE>
 
A $10,000 Investment Compared to the S&P 500 Index/25/

Average Annual Total Return

                   Capital      Lipper Variable Products Growth
                 Growth Series        Fund Average/10/
6 months*           27.1%                 16.2%
1 year              32.2%                 28.1%
3 year              27.2%                 25.6%
5 years             21.2%                 20.3%
10 years            17.4%                 16.8%
Since Inception     24.3%                  n/a

 *not annualized


                           [LINE GRAPH APPEARS HERE]

                         Zenith Capital Growth            S&P 500
             12/31/87             10,000                   10,000
               Dec-88              9,121                   11,650
               Dec-89             11,927                   15,330
               Dec-90             11,511                   14,852
               Dec-91             17,726                   19,358
               Dec-92             16,654                   20,831
               Dec-93             19,149                   22,921
               Dec-94             17,794                   23,232
               Dec-95             24,561                   31,931
               Dec-96             29,737                   39,243
               Dec-97             36,719                   52,317
              6/30/98             46,671                   61,562

[X]   FUND FACTS
 
GOAL: Long-term growth of capital.
 
START DATE: August 26, 1983
 
SIZE: $1.8 billion as of June 30, 1998
 
MANAGER: G. Kenneth Heebner has managed the Capital Growth Series since its
inception in 1983. He has also been portfolio manager of New England Growth
Fund since 1976; CGM Capital Development Fund since 1976; CGM Mutual Fund since
1981; CGM Realty Fund since May 1994; and CGM Fixed Income Fund since June
1993.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
                                                                             23
<PAGE>
 
NEW ENGLAND ZENITH FUND
(CAPITAL GROWTH SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--99.5% OF TOTAL NET ASSETS
 
<TABLE>
<CAPTION>
  SHARES   DESCRIPTION                                              VALUE (A)
 <C>       <S>                                                   <C>
           AIRLINES--1.0%
   215,000 AMR Corp.(c).......................................   $    17,898,750
                                                                 ---------------
           AUTOMOTIVE & RELATED--11.9%
   905,000 Daimler Benz AG(ADR)(d)............................        88,067,813
   905,000 Daimler Benz AG (Rights)(c)........................         1,187,812
   635,000 Volkswagen AG(ADR)(d)..............................       123,825,000
                                                                 ---------------
                                                                     213,080,625
                                                                 ---------------
           BANKS--MONEY CENTER--5.4%
 1,280,000 Chase Manhattan....................................        96,640,000
                                                                 ---------------
           BANKS--REGIONAL--9.6%
 1,430,000 Bank of New York...................................        86,783,125
 1,975,000 Washington Mutual, Inc. ...........................        85,789,063
                                                                 ---------------
                                                                     172,572,188
                                                                 ---------------
           BEVERAGE & TOBACCO--4.9%
 2,240,000 Philip Morris Companies............................        88,200,000
                                                                 ---------------
           COMPUTER SOFTWARE & SERVICES--6.1%
 1,700,000 Computer Sciences Corp.(c).........................       108,800,000
                                                                 ---------------
           DRUGS--10.2%
   615,000 Pfizer, Inc. ......................................        66,842,813
 1,678,000 Warner Lambert Co. ................................       116,411,250
                                                                 ---------------
                                                                     183,254,063
                                                                 ---------------
           ELECTRONIC COMPONENTS--12.1%
 1,640,000 Nokia Corp.(ADR)(d)................................       119,002,500
 1,150,000 Philips Electronics NV.............................        97,750,000
                                                                 ---------------
                                                                     216,752,500
                                                                 ---------------
           FOOD--RETAILERS/
            WHOLESALERS--5.2%
 1,345,000 Hershey Foods Corp. ...............................        92,805,000
                                                                 ---------------
           FREIGHT TRANSPORTATION--4.8%
   877,000 Burlington Northern Santa Fe.......................        86,110,437
                                                                 ---------------
           INSURANCE--5.7%
   697,275 American International Group.......................       101,802,150
                                                                 ---------------
           LEISURE--7.6%
 1,140,000 Carnival Corp. ....................................        45,172,500
 2,140,000 Mattel, Inc. ......................................        90,548,750
                                                                 ---------------
                                                                     135,721,250
                                                                 ---------------
           RETAIL--10.8%
 4,695,000 Kmart..............................................        90,378,750
 1,710,000 Wal-Mart Stores, Inc. .............................       103,882,500
                                                                 ---------------
                                                                     194,261,250
                                                                 ---------------
   SHARES   DESCRIPTION                                           VALUE (A)
            TEXTILE & APPAREL--4.2%
  1,210,000 Gap, Inc..........................................   $   74,566,250
                                                                 --------------
            Total Common Stock
             (Identified Cost $1,480,502,924).................    1,782,464,463
                                                                 --------------
 
SHORT-TERM INVESTMENT--0.1%
 
    FACE
   AMOUNT
 $1,335,000 American Express, 5.950%, 7/1/98..................        1,335,000
                                                                 --------------
            Total Short-Term Investment (Identified Cost
             $1,335,000)......................................        1,335,000
                                                                 --------------
            Total Investments--99.6%
             (Identified Cost $1,481,837,924)(b)..............    1,783,799,463
            Other assets less liabilities.....................        7,453,542
                                                                 --------------
            TOTAL NET ASSETS--100%............................   $1,791,253,005
                                                                 ==============
(a) See Note 1A.
(b) Federal Tax Information:
  At June 30, 1998 the net unrealized appreciation on investments based on
  cost of $1,481,837,924 for federal income tax purposes was as follows:
            Aggregate gross unrealized appreciation for all
             investments in which there is an excess of value
             over tax cost....................................   $  313,822,667
            Aggregate gross unrealized depreciation for all
             investments in which there is an excess of tax
             cost over value..................................      (11,861,128)
                                                                 --------------
            Net unrealized appreciation.......................   $  301,961,539
                                                                 ==============
</TABLE>

                See accompanying notes to financial statements.


(c) Non-Income producing security.
(d) An American Depository Receipt (ADR) is a certificate issued by a U.S.
    bank representing the right to receive securities of the foreign issuer
    described. The values of ADR's are significantly influenced by trading on
    exchanges not located in the United States or Canada.
 
24
<PAGE>
 
NEW ENGLAND ZENITH FUND
(CAPITAL GROWTH SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
                                          
 
<TABLE>
<S>                                                    <C>        <C>
ASSETS
 Investments at value................................             $1,783,799,463
 Cash................................................                      4,328
 Receivable for:
 Fund shares sold....................................                  1,541,404
 Securities sold.....................................                 14,553,558
 Dividends and interest..............................                  1,092,246
 Foreign taxes.......................................                  1,854,870
                                                                  --------------
                                                                   1,802,845,869
LIABILITIES
 Payable for:
 Securities purchased................................  $9,773,205
 Fund shares redeemed................................     696,586
 Miscellaneous.......................................      23,225
 Accrued expenses:
 Management fees.....................................     882,939
 Deferred trustees' fees.............................      82,035
 Other expenses......................................     134,874
                                                       ----------
                                                                      11,592,864
                                                                  --------------
                                                                  $1,791,253,005
                                                                  ==============
NET ASSETS
 Net Assets consist of:
 Capital paid in.....................................             $1,205,021,390
 Undistributed net investment income.................                 15,421,758
 Accumulated net realized gains......................                268,848,318
 Unrealized appreciation on investments..............                301,961,539
                                                                  --------------
NET ASSETS...........................................             $1,791,253,005
                                                                  ==============
Computation of offering price:
Net asset value and redemption price per share
 ($1,791,253,005 divided by 3,526,773 shares of
 beneficial interest)................................             $       507.90
                                                                  ==============
Identified cost of investments.......................             $1,481,837,924
                                                                  ==============

<CAPTION> 


STATEMENT OF OPERATIONS      
SIX MONTHS ENDED JUNE 30, 1998
(UNAUDITED)   

<S>                                                   <C>        <C>
INVESTMENT INCOME
 Dividends..........................................             $ 20,542,797(a)
 Interest...........................................                  228,323
                                                                 ------------
                                                                   20,771,120
EXPENSES
 Management fees....................................  $5,008,427
 Trustees' fees and expenses........................      58,030
 Custodian..........................................      97,213
 Audit and tax services.............................       6,200
 Legal..............................................      57,364
 Printing...........................................     160,912
 Insurance..........................................      31,017
 Miscellaneous......................................         605
                                                      ----------
  Total expenses....................................                5,419,768
                                                                 ------------
NET INVESTMENT INCOME...............................               15,351,352
REALIZED AND UNREALIZED GAIN ON INVESTMENTS
 Realized gain on:
 Investments--net...................................              214,271,481
 Unrealized appreciation on:
 Investments--net...................................              154,437,160
                                                                 ------------
Net gain on investment transactions.................              368,708,641
                                                                 ------------
NET INCREASE IN NET ASSETS FROM OPERATIONS..........             $384,059,993
                                                                 ============
</TABLE>
(a) Net of foreign taxes of: $1,464,140


                See accompanying notes to financial statements.
 
                                                                              25
<PAGE>
 
NEW ENGLAND ZENITH FUND
(CAPITAL GROWTH SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                   SIX MONTHS
                                                   YEAR ENDED        ENDED
                                                  DECEMBER 31,      JUNE 30,
                                                      1997            1998
                                                 --------------  --------------
<S>                                              <C>             <C>
FROM OPERATIONS
 Net investment income.........................  $    6,977,596  $   15,351,352
 Net realized gain on investments..............     362,271,018     214,271,481
 Unrealized appreciation (depreciation) on
  investments..................................    (100,549,025)    154,437,160
                                                 --------------  --------------
 INCREASE IN NET ASSETS FROM OPERATIONS........     268,699,589     384,059,993
                                                 --------------  --------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income.........................      (6,943,584)              0
 Net realized gain on investments..............    (339,035,607)              0
                                                 --------------  --------------
                                                   (345,979,191)              0
                                                 --------------  --------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares..................     281,227,370     147,726,662
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income......       6,943,584               0
 Distributions from net realized gain..........     339,035,607               0
                                                 --------------  --------------
                                                    627,206,561     147,726,662
 Cost of shares redeemed.......................    (266,868,046)   (166,252,738)
                                                 --------------  --------------
 INCREASE (DECREASE) IN NET ASSETS DERIVED FROM
  CAPITAL SHARE TRANSACTIONS...................     360,338,515     (18,526,076)
                                                 --------------  --------------
 TOTAL INCREASE IN NET ASSETS..................     283,058,913     365,533,917
NET ASSETS
 Beginning of the period.......................   1,142,660,175   1,425,719,088
                                                 --------------  --------------
 End of the period.............................  $1,425,719,088  $1,791,253,005
                                                 ==============  ==============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period.............................  $       70,406  $   15,421,758
                                                 ==============  ==============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares................         569,332         322,773
 Issued in connection with the reinvestment of:
 Distributions from net investment income......          17,731               0
 Distributions from net realized gain..........         845,144               0
                                                 --------------  --------------
                                                      1,432,207         322,773
 Redeemed......................................        (539,860)       (363,853)
                                                 --------------  --------------
 Net change....................................         892,347         (41,080)
                                                 ==============  ==============
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                                SIX MONTHS
                                      YEAR ENDED DECEMBER 31,                     ENDED
                          ----------------------------------------------------   JUNE 30,
                            1993      1994      1995       1996        1997        1998
                          --------  --------  --------  ----------  ----------  ----------
<S>                       <C>       <C>       <C>       <C>         <C>         <C>
Net Asset Value,
 Beginning of period....  $ 322.23  $ 351.63  $ 312.30  $   374.62  $   427.08  $   399.60
                          --------  --------  --------  ----------  ----------  ----------
Income From Investment
 Operations
 Net Investment Income..      2.12      5.28      3.47        3.08        2.52        4.35
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........     46.21    (30.54)   114.91       74.80       95.67      103.95
                          --------  --------  --------  ----------  ----------  ----------
 Total From Investment
  Operations............     48.33    (25.26)   118.38       77.88       98.19      108.30
                          --------  --------  --------  ----------  ----------  ----------
Less Distributions
 Distributions From Net
  Investment Income.....     (2.18)    (5.15)    (3.48)      (3.08)      (2.52)       0.00
 Distributions From Net
  Realized Capital
  Gains.................    (16.75)    (8.92)   (52.58)     (22.34)    (123.15)       0.00
                          --------  --------  --------  ----------  ----------  ----------
 Total Distributions....    (18.93)   (14.07)   (56.06)     (25.42)    (125.67)       0.00
                          --------  --------  --------  ----------  ----------  ----------
Net Asset Value, End of
 period.................  $ 351.63  $ 312.30  $ 374.62  $   427.08  $   399.60  $   507.90
                          ========  ========  ========  ==========  ==========  ==========
TOTAL RETURN (%)........     14.97     (7.07)    38.03       21.08       23.48       27.10(a)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............      0.68      0.67      0.71        0.69        0.67        0.67(b)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............      0.67      1.61      0.92        0.79        0.52        1.91(b)
Portfolio Turnover Rate
 (%)....................       169       140       242         207         214         210(b)
Net Assets, End of
 period (000)...........  $644,384  $667,127  $921,444  $1,142,660  $1,425,719  $1,791,253
</TABLE>
 
(a) Not computed on an annualized basis.
(b) Computed on an annualized basis.
 
                See accompanying notes to financial statements.


26
<PAGE>
 
GOLDMAN SACHS MIDCAP VALUE SERIES
(FORMERLY, LOOMIS SAYLES AVANTI GROWTH SERIES)
PORTFOLIO MANAGERS: RONALD GUTFLEISH, LAWRENCE SIBLEY AND G. LEE ANDERSON
GOLDMAN SACHS ASSET MANAGEMENT
 
 
Q. HOW DID THE SERIES PERFORM FOR THE FIRST SIX MONTHS OF THE YEAR?
 
A. Goldman Sachs Asset Management became the subadviser to the Goldman Sachs
Midcap Value Series (formerly the Loomis Sayles Avanti Growth Series) on May
1, 1998. The changes in investment style associated with the subadvisory
change resulted in the Series' benchmark being changed from the S&P 500 Index
to the Russell Midcap Index. For the six months ended June 30, 1998 the Series
returned 6.7%, compared to the Lipper Variable Products Midcap Fund Average of
13.4% over the same period.
 
Goldman Sachs Asset Management assumed responsibility for the Series in a par-
ticularly challenging time. The Russell Midcap Index, the Series' benchmark,
declined by 3.1% in May while the Series was being invested. This decline is a
continuation of the recent trend of mid cap stocks under-performing larger cap
stocks. With mid caps continuing to lag behind large caps, the Russell Midcap
Index has underperformed the S&P 500 Index for the reporting period. Within
mid cap stocks, growth has outperformed value, making this a difficult envi-
ronment for the midcap value style we use to manage the Series. For this ini-
tial reporting period, the Series has underperformed its financial benchmark,
the Russell Midcap Index.
 
Q. GIVEN THIS ENVIRONMENT, HOW DID YOU MANAGE THE SERIES?
 
A. We seek to find opportunities for the Series to invest in mid cap companies
which sell at a substantial discount to the market and to their respective in-
dustries. These opportunities may be a result of limited near-term earnings
visibility, cyclically out-of favor status or companies that are under-fol-
lowed or misunderstood. We believe that by performing rigorous, proprietary
fundamental research into these low-expectation stocks, we are building a
portfolio which offers long-term value. Most importantly, when the current ex-
cesses are wrung from the system, we believe that our discipline will preserve
capital.
 
During the six months ended June 30, 1998, our overweight position in tobacco
(and tobacco-related) companies hurt performance. These holdings have declined
over the last few months due to ongoing litigation and concern over government
regulation. Over the longer term, we believe that these companies are commit-
ted to rewarding shareholders and exhibit substantially better fundamental
value than their stock prices currently indicate.
 
At the individual stock level, Shopko Stores has contributed substantially to
recent returns. Shopko, a regional retailer operating primarily in the Mid-
west, has appreciated due to solid growth in its in-store optical and pharmacy
business, benefiting from the increased popularity of over-the-counter vita-
mins, nutritional supplements and new premium drugs. Utility holdings also fa-
vorably affected performance.
 
Q. WHAT IS YOUR CURRENT MARKET OUTLOOK FOR THE MONTHS AHEAD?
 
A. Goldman Sachs Asset Management's research indicates that the equity mar-
kets' rise has been well justified by the healthy fundamentals of the US econ-
omy. In addition, economic conditions that could lead to the end of the bull
market don't seem to be forming in the near future. Over the course of a 3-5
year business cycle, as short-term issues are resolved, cycles turn, or the
broader analyst community understands a company as the outcome of corporate
actions becomes evident, we believe that the Series' value investments should
be positioned to generate positive returns for clients.
 
                                                                             27
<PAGE>
 
A $10,000 Investment Compared to the S&P 500 Index/25/ and Russell Midcap 
Index/22/


Average Annual Total Return

             Midcap Value    Lipper Variable Products
                Series       Midcap Fund Average/14/

6 months*        6.7%               13.4%
1 year          12.8%               24.4%
3 year          17.0%               20.5%
5 years         15.9%               16.7%
Snce Inception  16.4%                n/a

 *not annualized
                          [LINE GRAPH APPEARS HERE]

                MidCap Value Series          S&P 500           Russell 1000
     4/30/93            10,000                10,000               10,000
      Dec-93            11,474                10,819               11,751
      Dec-94            11,443                10,966               11,505
      Dec-95            14,916                15,072               15,468
      Dec-96            17,538                18,524               18,407
      Dec-97            20,581                24,695               23,747
     6/30/98            21,960                29,059               28,283


 
 
[X]   FUND FACTS
 
GOAL: Long-term capital appreciation.
 
START DATE: April 30, 1993
 
SIZE: $127 million as of June 30, 1998
 
MANAGERS: Ronald Gutfleish, G. Lee Anderson and Lawrence Sibley have managed 
the Series since May 1998.

 
In the past, the S&P 500 Index served as the benchmark for the Goldman Sachs
Midcap Value Series (formerly, Loomis Sayles Avanti Growth Series). Beginning
May 1, 1998, the Series' performance will be measured against a new
benchmark--the Russell Midcap Index.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
28
<PAGE>
 
NEW ENGLAND ZENITH FUND
(GOLDMAN SACHS MIDCAP VALUE SERIES) (FORMERLY, LOOMIS SAYLES AVANTI GROWTH
SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--92.0% OF NET ASSETS
 
<TABLE>
<CAPTION>
 SHARES                                                            VALUE (A)
 <C>     <S>                                                      <C>
 
         AIRFREIGHT, TRUCK & OTHER--2.3%
  69,300 CNF Transportation....................................   $  2,945,250
                                                                  ------------
         AIRLINES--1.0%
  21,100 Continental Airlines, Inc. CL B.......................      1,284,463
                                                                  ------------
         AUTO SUPPLIERS--2.2%
  55,200 Lear Seating Corp.....................................      2,832,450
                                                                  ------------
         BANKS--5.0%
  82,700 Pacific Century Finance Corp. ........................      1,984,800
  68,800 Republic New York Corp. ..............................      4,330,100
                                                                  ------------
                                                                     6,314,900
                                                                  ------------
         COMMODITY CHEMICALS--5.5%
  84,700 IMC Global, Inc.......................................      2,551,588
  83,000 Union Carbide Corp....................................      4,430,125
     200 Lyondell Petrochemical................................          6,088
                                                                  ------------
                                                                     6,987,801
                                                                  ------------
         CONSTRUCTION/ENVIRONMENTAL SERVICES--2.5%
  62,700 Fluor Corp. ..........................................      3,197,700
                                                                  ------------
         ELECTRIC UTILITIES--10.3%
  76,200 Unicom Corp...........................................      2,671,762
 106,400 Entergy Corp..........................................      3,059,000
 187,900 Northeast Utilities...................................      3,182,556
 210,000 Central Maine Power Co................................      4,095,000
                                                                  ------------
                                                                    13,008,318
                                                                  ------------
         FOREST PRODUCTS--6.1%
 130,000 Georgia Pacific Timber Group..........................      2,998,125
  48,700 Georgia-Pacific Corp..................................      2,870,256
 118,800 Stone Container Corp..................................      1,856,250
                                                                  ------------
                                                                     7,724,631
                                                                  ------------
         GAMING--2.1%
 160,400 Circus Circus Enterprises, Inc. ......................      2,716,775
                                                                  ------------
         HEALTHCARE MANAGEMENT--8.9%
  70,900 Aetna, Inc............................................      5,397,263
   8,800 Trigon Healthcare, Inc................................        318,450
 102,300 Tenet Healthcare Corp.................................      3,196,875
  90,900 Foundation Health Corp................................      2,397,488
                                                                  ------------
                                                                    11,310,076
                                                                  ------------
         INFORMATION MANAGEMENT--0.2%
  13,000 ABR Information Services, Inc.........................        308,750
                                                                  ------------
         INSURANCE BROKERS & OTHER INSURANCE--3.0%
  43,100 Loews Corp............................................      3,755,088
                                                                  ------------
 
         LIFE INSURANCE--2.8%
  19,900 American General Corp.................................   $  1,416,631
  44,800 Reliastar Financial Corp..............................      2,150,400
                                                                  ------------
                                                                     3,567,031
                                                                  ------------
         LOGISTICS/RAILS--2.2%
  96,100 Canadian Pacific LTD. ................................      2,726,837
                                                                  ------------
         P/C INSURANCE--3.7%
  69,600 CNA Financial Corp....................................      3,240,750
  22,600 Allmerica Financial Corp..............................      1,469,000
                                                                  ------------
                                                                     4,709,750
                                                                  ------------
         PC & PERIPHERALS--6.1%
 251,600 Quantum Corp..........................................      5,220,700
  60,300 Seagate Technology....................................      1,435,894
  53,100 CHS Electronics, Inc..................................        946,163
                                                                  ------------
                                                                     7,602,757
                                                                  ------------
         PHARMACEUTICALS--1.9%
 234,500 Perrigo Co............................................      2,359,656
                                                                  ------------
         REAL ESTATE--1.6%
 183,800 Laser Mortgage Management, Inc. ......................      1,998,825
                                                                  ------------
         REFINING & MARKETING--2.7%
 117,300 Tosco Corp............................................      3,445,688
                                                                  ------------
         SEMICONDUCTORS--4.9%
  53,700 Avnet, Inc............................................      2,936,719
  43,700 Lam Research Corp.....................................        835,763
 133,725 Vishay Intertechnology................................      2,398,692
                                                                  ------------
                                                                     6,171,174
                                                                  ------------
         STEEL--5.1%
 112,700 Ispat International...................................      2,113,125
 159,400 AK Steel Holding Corp. ...............................      2,849,275
  42,500 Ucar International, Inc...............................      1,240,468
                                                                  ------------
                                                                     6,202,868
                                                                  ------------
         SUPERMARKETS--2.0%
 141,400 Fleming Companies, Inc................................      2,483,337
                                                                  ------------
         TEXTILES--3.8%
 142,000 Fruit of The Loom, Inc. CL A..........................      4,715,625
                                                                  ------------
         TIRES & OTHER RELATED--2.4%
  47,200 Goodyear Tire & Rubber Co.............................      3,041,450
                                                                  ------------
         TOBACCO--3.7%
 123,400 UST, Inc..............................................      3,331,800
  33,500 Philip Morris Companies, Inc..........................      1,319,061
                                                                  ------------
                                                                     4,650,861
                                                                  ------------
         Total Common Stocks
          (Identified Cost $125,079,945).......................    116,062,061
                                                                  ------------
</TABLE>
 
                See accompanying notes to financial statements.


                                                                              29
<PAGE>
 
NEW ENGLAND ZENITH FUND
(GOLDMAN SACHS MIDCAP VALUE SERIES) (FORMERLY, LOOMIS SAYLES AVANTI GROWTH
SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
BONDS & NOTES                             SHORT TERM INVESTMENTS--7.8%
 
<TABLE>
<CAPTION>
   FACE
  AMOUNT                                                               VALUE (A)
 <C>      <S>                                                          <C>
          U.S. GOVERNMENT--0.4%
 $525,000 United States Treasury Bills, 9/17/98.....................   $519,451
                                                                       --------
          Total Bonds & Notes
           (Identified Cost $519,273)...............................    519,451
                                                                       --------
</TABLE>
 
<TABLE>
<CAPTION>
    FACE
   AMOUNT                                                            VALUE (A)
 <C>        <S>                                                     <C>
 $9,900,000 GS Joint Account Repo (c)............................   $  9,900,000
                                                                    ------------
            Total Short-Term Investments
             (Identified cost $9,900,000)........................      9,900,000
                                                                    ------------
            Total Investments 99.8%
             (Identified cost $135,499,218) (b)..................    126,481,512
            Other assets less liabilities........................        286,678
                                                                    ------------
            TOTAL NET ASSETS--100%...............................   $126,768,190
                                                                    ============
</TABLE>
FUTURE CONTRACTS
 
<TABLE>
<CAPTION>
                                            AGGREGATE    MARKET
CONTRACTS   DESCRIPTION      EXPIRATION        FACE      VALUE    APPRECIATION
<S>        <C>           <C>                <C>        <C>        <C>
9          S&P 500 Index September 17, 1998 $2,519,057 $2,571,750   $52,693
</TABLE>
 
(a) See Note 1A.
(b) Federal Tax Information: At June 30, 1998 the net unrealized depreciation
    on investments based on cost of $135,499,218 for federal income tax
    purposes was as follows:
 
<TABLE>
   <S>                                                             <C>
   Aggregate gross unrealized appreciation for all investments in
    which there is an excess of value over tax cost..............  $  2,297,771
   Aggregate gross unrealized depreciation for all investments in
    which there is an excess of tax cost over value..............   (11,262,784)
                                                                   ------------
   Net unrealized depreciation...................................  $ (8,965,013)
                                                                   ============
</TABLE>
(c) See Note 1E.
 
                See accompanying notes to financial statements.


30
<PAGE>
 
NEW ENGLAND ZENITH FUND
(GOLDMAN SACHS MIDCAP VALUE SERIES) (FORMERLY, LOOMIS SAYLES AVANTI GROWTH
SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
                                          
 
<TABLE>
<S>                                                        <C>     <C>
ASSETS
 Investments at value....................................          $126,481,512
 Cash....................................................                43,270
 Receivable for:
 Fund shares sold........................................               144,535
 Securities sold.........................................               138,528
 Dividends and interest..................................               169,308
                                                                   ------------
                                                                    126,977,153
LIABILITIES
 Payable for:
 Securities purchased....................................  $41,056
 Fund shares redeemed....................................   40,022
 Variation margin........................................   19,125
 Withholding taxes.......................................    1,372
 Miscellaneous...........................................      474
 Accrued expenses:
 Management fees.........................................   77,907
 Deferred trustees' fees.................................    4,514
 Other expenses..........................................   24,493
                                                           -------
                                                                        208,963
                                                                   ------------
                                                                   $126,768,190
                                                                   ============
NET ASSETS
 Net Assets consist of:
 Capital paid in.........................................          $ 98,305,986
 Undistributed net investment income.....................               217,860
 Accumulated net realized gains..........................            37,209,357
 Unrealized depreciation on investments and futures
  contracts..............................................            (8,965,013)
                                                                   ------------
NET ASSETS...............................................          $126,768,190
                                                                   ============
Computation of offering price:
Net asset value and redemption price per share
 ($126,768,190 divided by 696,455 shares of beneficial
 interest)...............................................          $     182.02
                                                                   ============
Identified cost of investments...........................          $135,499,218
                                                                   ============
</TABLE>
<TABLE>
<S>                                                       <C>        <C>
INVESTMENT INCOME
 Dividends...............................................            $  550,873(a)
 Interest................................................               188,257
                                                                     ----------
                                                                        739,130
EXPENSES
 Management fees......................................... $  445,404
 Trustees' fees and expenses.............................      8,345
 Custodian...............................................     26,871
 Audit and tax services..................................      7,043
 Legal...................................................        931
 Printing................................................     28,163
 Insurance...............................................      2,252
 Miscellaneous...........................................      2,261
                                                          ----------
  Total expenses.........................................               521,270
                                                                     ----------
NET INVESTMENT INCOME....................................               217,860
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS
 AND FUTURES CONTRACTS
 Realized gain (loss) on:
 Investments--net........................................ 35,795,135
 Futures contracts--net..................................   (204,067)
                                                         -----------
  Total realized gain on investments and futures
   contracts............................................. 35,591,068
                                                         -----------
 Unrealized appreciation (depreciation) on:
 Investments--net........................................(28,322,712)
 Futures contracts--net..................................     52,693
                                                         -----------
  Total unrealized depreciation on investments and
   futures contracts.....................................(28,270,019)
                                                         -----------
Net gain on investment transactions......................             7,321,049
                                                                     ----------
NET INCREASE IN NET ASSETS FROM OPERATIONS...............            $7,538,909
                                                                     ==========
</TABLE>
(a) Net of foreign taxes of: $1,357

                See accompanying notes to financial statements.
 
                                                                              31
<PAGE>
 
NEW ENGLAND ZENITH FUND
(GOLDMAN SACHS MIDCAP VALUE SERIES) (FORMERLY, LOOMIS SAYLES AVANTI GROWTH
SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 

<TABLE>
<CAPTION>
                                                                    SIX MONTHS
                                                      YEAR ENDED       ENDED
                                                     DECEMBER 31,     JUNE 30,
                                                         1997          1998
                                                     ------------  ------------
<S>                                                  <C>           <C>
FROM OPERATIONS
 Net investment income.............................  $   (164,084) $    217,860
 Net realized gain on investments and futures
  contracts........................................     9,407,484    35,591,068
 Unrealized appreciation (depreciation) on
  investments and futures contracts................     6,733,998   (28,270,019)
                                                     ------------  ------------
 INCREASE IN NET ASSETS FROM OPERATIONS............    15,977,398     7,538,909
                                                     ------------  ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net realized gain on investments..................    (8,951,638)            0
                                                     ------------  ------------
                                                       (8,951,638)            0
                                                     ------------  ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares......................    43,452,563    18,737,237
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net realized gain..............     8,951,638             0
                                                     ------------  ------------
                                                       52,404,201    18,737,237
 Cost of shares redeemed...........................   (27,480,727)  (14,124,535)
                                                     ------------  ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL SHARE
  TRANSACTIONS.....................................    24,923,474     4,612,702
                                                     ------------  ------------
 TOTAL INCREASE IN NET ASSETS......................    31,949,234    12,151,611
NET ASSETS
 Beginning of the period...........................    82,667,345   114,616,579
                                                     ------------  ------------
 End of the period.................................  $114,616,579  $126,768,190
                                                     ============  ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period.................................  $          0  $    217,860
                                                     ============  ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares....................       255,355       101,434
 Issued in connection with the reinvestment of:
 Distributions from net realized gain..............        52,904             0
                                                     ------------  ------------
                                                          308,259       101,434
 Redeemed..........................................      (159,978)      (76,860)
                                                     ------------  ------------
 Net change........................................       148,281        24,574
                                                     ============  ============
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                          APRIL 30, 1993(A)                                      SIX MONTHS
                               THROUGH       YEAR     YEAR     YEAR      YEAR      ENDED
                            DECEMBER 31,     ENDED    ENDED    ENDED    ENDED     JUNE 30,
                                1993         1994     1995     1996      1997       1998
                          ----------------- -------  -------  -------  --------  ----------
<S>                       <C>               <C>      <C>      <C>      <C>       <C>
Net Asset Value,
 Beginning of period....       $100.00      $113.67  $112.77  $142.44  $ 157.88   $ 170.59
                               -------      -------  -------  -------  --------   --------
Income From Investment
 Operations
 Net Investment Income..          0.18         0.59     0.42     0.11      0.00       0.31
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........         14.56        (0.89)   33.80    24.88     27.12      11.12
                               -------      -------  -------  -------  --------   --------
 Total From Investment
  Operations............         14.74        (0.30)   34.22    24.99     27.12      11.43
                               -------      -------  -------  -------  --------   --------
Less Distributions
 Distributions From Net
  Investment Income.....         (0.18)       (0.60)   (0.40)   (0.13)     0.00       0.00
 Distributions From Net
  Realized Capital
  Gains.................         (0.67)        0.00    (4.15)   (9.42)   (14.41)      0.00
 Distributions From
  Paid-in Capital.......         (0.22)        0.00     0.00     0.00      0.00       0.00
                               -------      -------  -------  -------  --------   --------
 Total Distributions....         (1.07)       (0.60)   (4.55)   (9.55)   (14.41)      0.00
                               -------      -------  -------  -------  --------   --------
Net Asset Value, End of
 period.................       $113.67      $112.77  $142.44  $157.88  $ 170.59   $ 182.02
                               =======      =======  =======  =======  ========   ========
TOTAL RETURN (%)........         14.74(b)     (0.27)   30.35    17.58     17.35       6.70(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............          0.85(c)      0.84     0.85     0.85      0.85       0.84(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............          0.46(c)      0.67     0.37     0.08     (0.16)      0.35(c)
Portfolio Turnover Rate
 (%)....................            21(c)        67       58       65        49        240(c)
Net Assets, End of
 period (000)...........       $11,972      $25,622  $48,832  $82,667  $114,617   $126,768
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............          0.89(c)      0.84     1.06     0.92      0.86        --
</TABLE>
 
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.
 
                See accompanying notes to financial statements.

32
<PAGE>
 
DAVIS VENTURE VALUE SERIES
PORTFOLIO MANAGER: CHRISTOPHER C. DAVIS
DAVIS SELECTED ADVISERS, L.P.
 
[PHOTO OF CHRISTOPHER C. DAVIS APPEARS HERE]
 
Q. HOW DID THE SERIES PERFORM OVER THE FIRST HALF OF THE YEAR?
 
A. The Davis Venture Value Series delivered a total return of 10.4% for the
six-month period ended June 30, 1998. The Series underperformed the S&P 500,
which returned 17.67% over the period, and its Lipper peer group (Lipper Vari-
able Products Growth Fund Average) performance of 16.2% for the same period.
 
Q. HOW DID YOU MANAGE THE SERIES DURING THE FIRST HALF OF THE YEAR?
 
A. We managed the Series following our long-term investment strategy of buying
growing companies that are selling at value prices.
 
In the first quarter of 1998, the Series increased its holdings in
McDonald's--making it one of the portfolio's largest holding--and the stock
has produced strong results. But financial, technology and energy-related
stocks continue to dominate the Series.
 
The Series added more shares of insurer General Re during the first quarter of
1998, making it the second largest holding, and that stock performed excep-
tionally well. Shares of Citicorp were also added.
 
Texas Instruments, Inc. and Applied Materials, Inc. were added to the Series
and our position in Hewlett-Packard Co. increased.
 
In the energy-related arena, shares were added to existing positions in
Schlumberger and Haliburton.
 
Q. WHAT IS YOUR CURRENT OUTLOOK FOR THE MONTHS AHEAD?
 
A. Our evaluation of current market and economic conditions indicates that if
the Fed acts to slow economic growth by raising interest rates, it will be a
light "tapping on the brakes" to prolong the current market cycle, not to end
it.
 
There is no need for a recession, because inflation is low. And we believe the
Federal Reserve Bank does not want to end this strong period of economic
growth, which, if it continues through the year 2000, will break the all-time
record of 106 months.
 
We don't think the Clinton administration wants to fit a recession caused by
ratcheting up of interest rates into the next two years and then try to re-
cover from that recession in time for the next presidential election.
 
Given this overall economic scenario, we expect to continue to invest in equi-
ties, looking for solid companies with strong growth potential, selling at
modest prices.
 
We have a long-term perspective because we always want to remember that we are
investing in a "marathon"--more or less as continuous investors, not in a
"sprint."
 
A market decline of 20% has not occurred since 1990, and current economic in-
dicators remain strong. But we think investors should be mentally prepared for
a market decline sometime in the future.
 
                                                                             33
<PAGE>
 
A $10,000 Investment Compared to the S&P 500 Index/25/

Average Annual Total Return

              Venture Value   Lipper Variable Products
                 Series       Growth Fund Average/10/

6 months*         10.4%              16.2%
1 year            24.1%              28.1%
3 year            28.1%              25.6%
Since Inception   28.3%               n/a
 
 *not annualized


                           [LINE GRAPH APPEARS HERE]

              A $10,000 Investment Compared to the S&P 500 Index

                                VentureValue          S&P 500
                  10/31/94        10,000              10,000
                    Dec-94         9,650               9,794
                    Dec-95        13,441              13,461
                    Dec-96        16,914              16,544
                    Dec-97        22,580              22,055
                   6/30/98        24,924              25,952

 
 
[X]    FUND FACTS
 
GOAL: Growth of capital.
 
START DATE: October 31, 1994
 
SIZE: $389 million as of June 30, 1998
 
MANAGER: Christopher C. Davis has been the portfolio manager of the Series since
February 1997. Previously, he was co-portfolio manager of the Series with Shelby
M.C. Davis from October 1995 to February 1997.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
34
<PAGE>
 
NEW ENGLAND ZENITH FUND
(DAVIS VENTURE VALUE SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--88.6% OF TOTAL NET ASSETS

<TABLE>
<CAPTION>
 SHARES                                                               VALUE (A)
 <C>     <S>                                                        <C>
         AEROSPACE--1.3%
 110,000 Boeing Co. .............................................   $  4,901,875
                                                                    ------------
         AGRICULTURE--0.5%
  87,622 Archer-Daniels-Midland Co...............................      1,697,676
  11,900 Corn Products International, Inc.(c)....................        403,112
                                                                    ------------
                                                                       2,100,788
                                                                    ------------
         BANKS AND SAVINGS & LOANS--13.7%
  70,213 Banc One Corp...........................................      3,918,763
 115,800 BankAmerica Corp........................................     10,009,462
  88,980 Citicorp................................................     13,280,265
   1,000 First Union Corp........................................         58,250
     712 NationsBank Corp. ......................................         54,468
  20,400 Norwest Corp............................................        762,450
  35,200 State Street Corp.......................................      2,446,400
  87,100 U.S. Bancorp............................................      3,745,300
  50,200 Wells Fargo & Co. ......................................     18,523,800
                                                                    ------------
                                                                      52,799,158
                                                                    ------------
         BUILDING MATERIALS--3.1%
 108,300 Martin Marietta Materials, Inc..........................      4,873,500
 118,900 Masco Corp..............................................      7,193,450
                                                                    ------------
                                                                      12,066,950
                                                                    ------------
         COMMUNICATION SERVICES--0.2%
  24,800 Qwest Communications(c).................................        864,900
                                                                    ------------
         CONSUMER PRODUCTS--5.3%
  48,800 American Home Products Corp.............................      2,525,400
   2,700 Coca-Cola Co............................................        230,850
     900 Fortune Brands, Inc.....................................         34,593
     900 Gallaher Group (ADR)(c)(d)..............................         19,688
   2,800 General Electric Co.....................................        254,800
  24,300 Hasbro, Inc.............................................        955,294
  76,000 Nestle S.A. (ADR)(d)....................................      8,113,000
   3,400 Mattel, Inc. ...........................................        143,863
  50,300 NIKE, Inc., Class B.....................................      2,448,981
 145,200 Philip Morris Cos.......................................      5,717,250
                                                                    ------------
                                                                      20,443,719
                                                                    ------------
         DIVERSIFIED FINANCIAL SERVICES--6.1%
 151,100 American Express Co. ...................................     17,225,400
  75,000 Federal Home Loan Mortgage Corp.........................      3,529,687
  16,100 Golden West Financial Corp. ............................      1,711,631
  10,200 Household International, Inc............................        507,450
     900 ReliaStar Financial.....................................         43,200
  20,200 TCF Financial Corp......................................        595,900
                                                                    ------------
                                                                      23,613,268
                                                                    ------------
</TABLE>
 
<TABLE>
<CAPTION>
 SHARES                                                               VALUE (A)
 <C>     <S>                            <C>
         DRILLING--0.7%
  27,600 Dover Corp..............................................   $    945,300
  47,400 Smith International, Inc.(c)............................      1,650,113
                                                                    ------------
                                                                       2,595,413
                                                                    ------------
         ELECTRONIC EQUIPMENT--2.9%
  35,087 Molex, Inc. ............................................        877,175
 179,000 Texas Instruments.......................................     10,437,937
                                                                    ------------
                                                                      11,315,112
                                                                    ------------
         ENERGY--7.1%
     400 Amerada Hess Corp.......................................         21,725
     600 Amoco Corp..............................................         24,975
   1,000 Atlantic Richfield Co...................................         78,125
     500 Barnett Resources.......................................         18,719
  18,278 British Petrol (ADR)(d).................................      1,613,033
  66,500 Burlington Resources, Inc...............................      6,529,469
   1,700 Chevron Corp............................................        141,206
  47,400 Cooper Cameron Corp.(c).................................      2,417,400
  18,700 EVI, Inc.(c)............................................        694,237
   5,600 Exxon Corp. ............................................        399,350
 133,600 Halliburton Co..........................................      5,953,550
  12,000 KN Energy, Inc. ........................................        650,250
     600 Mobil Corp..............................................         45,975
  55,164 Noble Affiliates, Inc. .................................      2,096,232
 109,200 Schlumberger, Ltd.......................................      7,459,725
     100 Sempra Energy...........................................          2,775
     500 Sonat, Inc..............................................         19,312
   2,400 Tom Brown, Inc..........................................         45,150
                                                                    ------------
                                                                      28,211,208
                                                                    ------------
         FOOD & RESTAURANT--4.5%
 234,200 McDonald's Corp.........................................     16,159,800
  61,350 Tyson Foods, Inc. ......................................      1,330,528
                                                                    ------------
                                                                      17,490,328
                                                                    ------------
         INTERNATIONAL CLOSED-END INVESTMENT
          COMPANY--0.2%
 146,734 Morgan Stanley Asia Pacific Fund, Inc...................        944,600
                                                                    ------------
         INVESTMENT FIRMS--3.8%
  47,400 Donaldson, Lufkin & Jenrette............................      2,408,512
  18,100 J.P. Morgan & Co., Inc..................................      2,119,962
 112,055 Morgan Stanley Dean Witter..............................     10,239,026
                                                                    ------------
                                                                      14,767,500
                                                                    ------------
         LIFE INSURANCE--1.3%
  87,950 SunAmerica, Inc.........................................      5,051,628
                                                                    ------------
         MANUFACTURING--1.2%
 151,800 Applied Materials(c)....................................      4,478,100
     200 Dow Chemical Co. .......................................         19,337
     800 Maytag Corp. ...........................................         39,500
                                                                    ------------
                                                                       4,536,937
                                                                    ------------
</TABLE>
 
                See accompanying notes to financial statements. 
                                                                              35
<PAGE>
 
NEW ENGLAND ZENITH FUND
(DAVIS VENTURE VALUE SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)
 

<TABLE>
<CAPTION>
 SHARES                                                              VALUE (A)
 <C>     <S>                                                        <C>
         MARKETING--0.0%
      33 ACNeilson Corp.(c)......................................   $        833
                                                                    ------------
         MISCELLANEOUS--0.2%
  10,200 FDX Corp................................................        640,050
                                                                    ------------
         OIL--0.3%
  18,600 J.Ray McDermott S.A.(c).................................        771,900
  12,400 McDermott International.................................        427,025
                                                                    ------------
                                                                       1,198,925
                                                                    ------------
         PAPER PRODUCTS--0.0%
     300 International Paper Co..................................         12,900
     400 Union Camp Corp.........................................         19,850
                                                                    ------------
                                                                          32,750
                                                                    ------------
         PHARMACEUTICAL & HEALTH CARE--4.3%
  11,400 Bristol-Myers Squibb Co.................................      1,310,287
  13,300 Eli Lilly & Co..........................................        878,631
  12,400 Johnson & Johnson.......................................        914,500
   5,700 Merck & Co. ............................................        762,375
  27,900 Novartis AG (ADR)(d)....................................      2,326,162
  40,900 Pfizer, Inc.............................................      4,445,319
  99,300 SmithKline Beecham (ADR)(d).............................      6,007,650
                                                                    ------------
                                                                      16,644,924
                                                                    ------------
         PROPERTY/CASUALTY INSURANCE--12.9%
  40,181 Allstate Corp...........................................      3,679,073
  12,250 American International Group, Inc.......................      1,788,500
  73,300 Chubb Corp..............................................      5,891,487
  79,074 General Re Corp.........................................     20,045,259
  22,100 Progressive Corp., Ohio.................................      3,116,100
  61,050 Transatlantic Holdings, Inc.............................      4,719,928
 133,287 Travelers Group.........................................      8,080,524
  29,300 20th Century Industries, Inc. ..........................        840,544
  11,200 UNUM Corp...............................................        621,600
  39,400 W.R. Berkley Corp.......................................      1,578,462
                                                                    ------------
                                                                      50,361,477
                                                                    ------------
         PUBLISHING--1.4%
     100 Dun & Bradstreet Corp. .................................          3,612
  41,700 Gannet Co., Inc.........................................      2,963,306
  33,600 News Corp. Ltd. (ADR)(d)................................      1,079,400
  19,800 Tribune Co..............................................      1,362,487
                                                                    ------------
                                                                       5,408,805
                                                                    ------------
         RAILROAD--2.1%
  93,700 Burlington Northern Santa Fe Corp. .....................      4,034,956
  30,194 Canadian National Railway...............................      1,604,062
  56,500 Union Pacific Corp......................................      2,493,062
                                                                    ------------
                                                                       8,132,080
                                                                    ------------
         REAL ESTATE--3.1%
   1,000 CenterPoint Properties Trust SBI........................   $     33,062
   9,880 Crescent Operations, Inc.(c)............................        167,960
  99,900 Crescent Real Estate Equities...........................      3,359,137
  10,900 Federal Realty Investment Trust.........................        262,281
  66,100 General Growth Properties...............................      2,470,488
   2,400 Kimco Realty Corp.......................................         98,400
 122,500 Rouse Co................................................      3,851,094
  12,000 United Dominion Realty Trust............................        166,500
  35,700 Vornado Realty Trust....................................      1,416,844
   3,300 Weingarten Realty SBI...................................        137,981
                                                                    ------------
                                                                      11,963,747
                                                                    ------------
         RETAIL--0.6%
  40,400 Harcourt General........................................      2,403,800
                                                                    ------------
         TECHNOLOGY--8.6%
     100 Cognizant Corp.(c)......................................          6,300
 225,000 Hewlett-Packard Co. ....................................     13,471,875
  73,900 Intel Corp..............................................      5,477,838
 102,500 International Business Machines.........................     11,768,281
  79,400 Novellus Systems, Inc.(c)...............................      2,833,587
                                                                    ------------
                                                                      33,557,881
                                                                    ------------
         TELECOMMUNICATIONS--3.2%
  98,200 Airtouch Communications, Inc.(c)........................      5,738,563
   9,704 Globalstar Telecommunications(c)........................        262,008
  18,900 Loral Space Communications(c)...........................        533,925
  83,500 Motorola, Inc...........................................      4,388,969
     600 SBC Communications, Inc. ...............................         24,000
  53,300 360(degrees) Communications Co.(c) .....................      1,705,600
                                                                    ------------
                                                                      12,653,065
                                                                    ------------
         UTILITIES--0.0%
     300 Carolina Power & Light Co. .............................         13,022
     300 Duke Energy Co. ........................................         17,775
     200 Edison International....................................          5,912
     200 New England Elecricial Systems..........................          8,650
     600 Southern Co.............................................         16,612
     200 Wisconsin Energy Corp...................................          6,075
                                                                    ------------
                                                                          68,046
                                                                    ------------
         WASTE MANAGEMENT--0.0%
     400 Waste Management, Inc...................................         14,000
                                                                    ------------
         Total Common Stocks
          (Identified Cost $258,711,749).........................    344,783,767
                                                                    ------------
</TABLE>
 
                See accompanying notes to financial statements.
 
36
<PAGE>
 
NEW ENGLAND ZENITH FUND
(DAVIS VENTURE VALUE SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
CONVERTIBLE PREFERRED STOCKS--0.8%
 

<TABLE>
<CAPTION>
   SHARES                                                            VALUE (A)
 <C>         <S>                                                    <C>
       5,696 Airtouch Communications, Inc., Class C, 4.250%......   $    469,920
       7,000 Devon Financing Trust, 6.500%.......................        429,188
      67,900 General Growth Properties, 7.250%...................      1,714,475
       2,200 Rouse Co., Series B.................................        109,450
       4,300 Union Pacific Corp. 144A, 6.250%(e).................        198,337
       2,000 Vornada Realty Trust, 6.500%........................        114,750
                                                                    ------------
             Total Preferred Stocks
              (Identified Cost $2,690,898).......................      3,036,120
                                                                    ------------
 
SHORT TERM INVESTMENTS--10.2%
 
<CAPTION>
    FACE
   AMOUNT
 <C>         <S>                                                    <C>
 $27,160,000 Federal Home Loan Bank,
              5.430%, 7/01/98....................................     27,160,000
  12,675,000 Federal Home Loan Bank,
              5.460%, 7/07/98....................................     12,663,466
                                                                    ------------
             Total Short-Term Investments
              (Identified Cost $39,823,466)......................     39,823,466
                                                                    ------------
             Total Investments--99.6%
              (Identified Cost $301,226,113)(b)..................    387,643,353
             Other assets less liabilities.......................      1,490,787
                                                                    ------------
             TOTAL NET ASSETS--100%..............................   $389,134,140
                                                                    ============
</TABLE>
 
(a) See Note 1A.
(b) Federal Tax Information:
  At June 30, 1998 the net unrealized appreciation on investments based on
  cost of $301,226,113 for federal income tax purposes was as follows:
   Aggregate gross unrealized appreciation for all investments in
    which there is an excess of value over tax cost..............  $91,298,943
   Aggregate gross unrealized depreciation for all investments in
    which there is an excess of tax cost over value..............   (4,881,703)
                                                                   -----------
   Net unrealized appreciation...................................  $86,417,240
                                                                   ===========
(c) Non-income producing security.
(d) An American Depository Receipt (ADR) is a certificate issued by a US bank
    representing the right to receive securities of the foreign issuer
    described. The values of ADR's are significantly influenced by trading on
    exchanges not located in the United States or Canada.
(e) 144A Securities exempt from registration under Rule 144A of the Securities
    Act of 1933. These securities may be resold in transactions exempt from
    registration, normally to qualified institutional buyers. At the period
    end, the value of these securities amounted to $198,337 or 0.23% of net
    assets.

                See accompanying notes to financial statements.
 
                                                                              37
<PAGE>
 
NEW ENGLAND ZENITH FUND
(DAVIS VENTURE VALUE SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
                                          

<TABLE>
<S>                                                        <C>      <C>
ASSETS
 Investments at value....................................           $387,643,353
 Cash....................................................                 14,569
 Receivable for:
 Fund shares sold........................................              1,092,440
 Securities sold.........................................              1,422,053
 Dividends and interest..................................                337,833
 Foreign taxes...........................................                  1,578
 Unamortized organization expense........................                  2,680
                                                                    ------------
                                                                     390,514,506
LIABILITIES
 Payable for:
 Securities purchased....................................  $923,408
 Fund shares redeemed....................................   168,988
 Withholding taxes.......................................     5,305
 Accrued expenses:
 Management fees.........................................   230,055
 Deferred trustees' fees.................................     5,019
 Other expenses..........................................    47,591
                                                           --------
                                                                       1,380,366
                                                                    ------------
                                                                    $389,134,140
                                                                    ============
NET ASSETS
 Net Assets consist of:
 Capital paid in.........................................           $296,627,626
 Undistributed net investment income.....................              1,441,707
 Accumulated net realized gains..........................              4,647,498
 Unrealized appreciation on investments and foreign
  currency...............................................             86,417,309
                                                                    ------------
NET ASSETS...............................................           $389,134,140
                                                                    ============
Computation of offering price:
Net asset value and redemption price per share
 ($389,134,140 divided by 16,949,998 shares of beneficial
 interest)...............................................           $      22.96
                                                                    ============
Identified cost of investments...........................           $301,226,113
                                                                    ============
</TABLE>

STATEMENT OF OPERATIONS
SIX MONTHS ENDED JUNE 30, 1998 (UNAUDITED)

<TABLE>
<S>                                                      <C>        <C>
INVESTMENT INCOME
 Dividends...............................................           $ 1,874,496(a)
 Interest................................................               982,970
                                                                    -----------
                                                                      2,857,466
EXPENSES
 Management fees......................................... $1,292,704
 Trustees' fees and expenses.............................     12,899
 Custodian...............................................     35,376
 Audit and tax services..................................      6,322
 Legal...................................................      8,552
 Printing................................................     50,255
 Insurance...............................................      6,391
 Amortization of organization expenses...................        997
 Miscellaneous...........................................      2,263
                                                         -----------
  Total expenses.........................................             1,415,759
                                                                    -----------
NET INVESTMENT INCOME....................................             1,441,707
REALIZED AND UNREALIZED GAIN ON INVESTMENTS AND
 FOREIGN CURRENCY TRANSACTIONS
 Realized gain on:
 Investments--net........................................  4,197,532
 Foreign currency transactions--net......................         70
                                                         -----------
  Total realized gain on investments and foreign
   currency transactions.................................  4,197,602
                                                         -----------
 Unrealized appreciation on:
 Investments--net........................................ 26,760,889
 Foreign currency transactions--net......................         26
                                                         -----------
  Total unrealized appreciation on investments and
   foreign currency transactions......................... 26,760,915
                                                         -----------
 Net gain on investment transactions.....................            30,958,517
                                                                    -----------

NET INCREASE IN NET ASSETS FROM OPERATIONS...............           $32,400,224
                                                                    ===========
</TABLE>
(a)Net of foreign taxes of: $29,845

                See accompanying notes to financial statements.
 
38
<PAGE>
 
NEW ENGLAND ZENITH FUND
(DAVIS VENTURE VALUE SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 

<TABLE>
<CAPTION>
                                                   YEAR ENDED   SIX MONTHS ENDED
                                                  DECEMBER 31,      JUNE 30,
                                                      1997            1998
                                                  ------------  ----------------
<S>                                               <C>           <C>
FROM OPERATIONS
 Net investment income..........................  $  1,777,660    $  1,441,707
 Net realized gain on investments and foreign
  currency transactions.........................     6,969,133       4,197,602
 Unrealized appreciation on investments and
  foreign currency transactions.................    41,444,414      26,760,915
                                                  ------------    ------------
 INCREASE IN NET ASSETS FROM OPERATIONS.........    50,191,207      32,400,224
                                                  ------------    ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income..........................    (1,734,376)              0
 Net realized gain on investments...............    (6,838,667)              0
                                                  ------------    ------------
                                                    (8,573,043)              0
                                                  ------------    ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares...................   161,182,195     111,273,089
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income.......     1,734,376               0
 Distributions from net realized gain...........     6,838,667               0
                                                  ------------    ------------
                                                   169,755,238     111,273,089
 Cost of shares redeemed........................   (39,114,351)    (34,987,250)
                                                  ------------    ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL
  SHARE TRANSACTIONS............................   130,640,887      76,285,839
                                                  ------------    ------------
 TOTAL INCREASE IN NET ASSETS...................   172,259,051     108,686,063
NET ASSETS
 Beginning of the period........................   108,189,026     280,448,077
                                                  ------------    ------------
 End of the period..............................  $280,448,077    $389,134,140
                                                  ============    ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period..............................  $          0    $  1,441,707
                                                  ============    ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares.................     8,370,050       5,051,732
 Issued in connection with the reinvestment of:
 Distributions from net investment income.......        85,008               0
 Distributions from net realized gain...........       335,095               0
                                                  ------------    ------------
                                                     8,790,153       5,051,732
 Redeemed.......................................    (2,030,066)     (1,585,290)
                                                  ------------    ------------
 Net change.....................................     6,760,087       3,466,442
                                                  ============    ============
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                          OCTOBER 31, 1994(A)                              SIX MONTHS
                                THROUGH        YEAR      YEAR      YEAR      ENDED
                             DECEMBER 31,      ENDED    ENDED     ENDED     JUNE 30,
                                 1994          1995      1996      1997       1998
                          ------------------- -------  --------  --------  ----------
<S>                       <C>                 <C>      <C>       <C>       <C>
Net Asset Value,
 Beginning of period....        $10.00        $  9.62  $  13.10  $  16.09   $  20.80
                                ------        -------  --------  --------   --------
Income From Investment
 Operations
 Net Investment Income..          0.03           0.10      0.13      0.18       0.09
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........         (0.38)          3.68      3.26      5.20       2.07
                                ------        -------  --------  --------   --------
 Total From Investment
  Operations............         (0.35)          3.78      3.39      5.38       2.16
                                ------        -------  --------  --------   --------
Less Distributions
 Distributions From Net
  Investment Income.....         (0.03)         (0.10)    (0.13)    (0.14)      0.00
 Distributions From Net
  Realized Capital
  Gains.................          0.00          (0.20)    (0.27)    (0.53)      0.00
                                ------        -------  --------  --------   --------
 Total Distributions....         (0.03)         (0.30)    (0.40)    (0.67)      0.00
                                ------        -------  --------  --------   --------
Net Asset Value, End of
 period.................        $ 9.62        $ 13.10  $  16.09  $  20.80   $  22.96
                                ======        =======  ========  ========   ========
TOTAL RETURN (%)........         (3.50)(b)      39.28     25.84     33.50      10.38(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............          0.90 (c)       0.90      0.90      0.90       0.85(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............          2.54 (c)       1.39      1.25      0.94       0.86(c)
Portfolio Turnover Rate
 (%)....................             1 (c)         20        18        17         11(c)
Net Assets, End of
 period (000)...........        $3,371        $35,045  $108,189  $280,448   $389,134
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............          3.97 (c)       1.51      0.96      0.90         --
</TABLE>
 
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.
 

                See accompanying notes to financial statements.

                                                                              39
<PAGE>
 
WESTPEAK GROWTH AND INCOME SERIES
PORTFOLIO MANAGERS: GERALD H. SCRIVER AND PHILIP J. COOPER 
WESTPEAK INVESTMENT ADVISORS, L.P.
 
[PHOTOS OF GERALD H. SCRIVER AND PHILIP J. COOPER APPEAR HERE[
 
Q. HOW DID THE SERIES PERFORM DURING THE FIRST SIX MONTHS ENDED?
 
A. For the six months ended June 30, 1998, the Westpeak Growth and Income Se-
ries had a total return of 18.8% compared to the 17.67% return for the Standard
& Poor's 500 Index and a return of 12.2% for the Lipper Variable Products
Growth and Income Fund Average. The Series' return reflected a $33.76 per share
gain in net asset value to $213.74.
 
Q. HOW DID YOU MANAGE THE SERIES DURING THE FIRST HALF OF THE YEAR?
 
A. Investors continued to assess the possible damage to the U.S. economy from
continued financial turmoil in Asia. For the first time in decades, long-stand-
ing concerns over inflation began yielding to unaccustomed worries about the
prospect of deflation, or falling prices.
 
Faltering economies cut currency values sharply in several Asian nations. As a
nation's currency declines, fewer dollars are needed to import its goods. Faced
with falling prices for competitive products from abroad, American companies
are limited in their ability to raise prices, putting pressure on profits and
raising concerns over an economic slowdown here.
 
For a time, there were signs of recovery in some Asian economies, and it ap-
peared that any impact on U.S. businesses would be mild and transitory. Conse-
quently, investors grew more optimistic about the U.S. economy and interest
rates began to rise, rekindling fears of possible inflation. But by late winter
it was clear that significant economic revitalization in Asia--especially in
Japan--would be a long time coming.
 
Toward the end of 1997, we began to moderate our emphasis on value stocks in
the Series' portfolio, so that by the end of 1998's second quarter the growth
and value portions of the portfolio were roughly equal. In choosing growth
stocks, we looked for companies whose earnings were increasing and whose stocks
were selling at low price/earnings ratios relative to the Series' benchmark,
the Standard & Poor's 500 Stock Index. A price/earnings ratio is a rule-of-
thumb that investors use to gauge whether a stock's price is high or low in
terms of the company's earning power--the higher the ratio, the more expensive
the stock. This ratio also serves as an objective standard by which investors
can evaluate stocks relative to one another.
 
Toward the end of the period under review, the Series' portfolio had an average
price/earnings ratio of 20--the average price was approximately 20 times the
average earnings--which was well below the S&P 500 Index's ratio of 25; the Se-
ries' holdings also have been growing their earnings faster than the companies
in the Index, with a 5-year growth rate of 22.5% per year, compared to 17% per
year for the benchmark.
 
Our bias toward companies with reasonable valuations proved beneficial to the
Series, as investors gravitated toward companies with below-average price-
/earnings ratios. The Series also benefited from our decision to avoid compa-
nies that are heavily dependent on overseas income, given the weak economies in
Asia, Russia and elsewhere.
 
We added some companies whose actual earnings exceeded the forecasts of Wall
Street analysts. According to our research, positive earnings surprises, as
these events are called, tend to be repeated and are often a powerful factor in
leading stock prices higher.
 
Other positives included a large position (relative to the S&P 500) in the au-
tomotive area and consumer-related companies. Both sectors are prospering
thanks to the nation's strong economy and low unemployment rate. Wal-Mart, for
instance, performed very well and is the Series' largest holding. We reduced
holdings in electric utilities; U.S. growth rates are slower but moderate
price/earnings ratios helped reduce volatility. Meanwhile, our decision to de-
emphasize the beverages sector hurt performance, as companies such as Coca-Cola
enjoyed strong growth. Finally, our relatively lighter exposure to technology
and energy companies was beneficial, as these sectors underperformed.
 
Q. WHAT IS YOUR OUTLOOK FOR THE MONTHS AHEAD?
 
A. We believe that conditions in the Far East will continue to restrain busi-
ness activity here, keeping inflation in check and dispelling fears of higher
interest rates. In fact, we think any near-term change in interest rates will
be downward, as the Federal Reserve Board appears determined to prevent the
Asian crisis from hurting our economy excessively. Nevertheless, U.S. busi-
nesses will continue to feel persistent pricing pressures from overseas, and
the economy should begin to slow.
 
40
<PAGE>
 
Our style is to keep the Series' portfolio fully invested; we never try to
guess the market's highs or lows nor do we allow economic trends to influence
our stock selection. We will continue to manage the Westpeak Growth and Income
Series as we have, by
seeking to assemble a portfolio of stocks that, seen in total, present a pro-
file of attractive growth prospects and a low potential for share price vola-
tility, a combination that we believe will benefit investors in the months
ahead.

            A $10,000 Investment Compared to the S&P 500 Index/25/
 
                           [LINE GRAPH APPEARS HERE]

Average Annual Total Return

                 Westpeak         Lipper Variable Products Growth
             Growth & Income       and Income Fund Average/11/

6 months*         18.8%                      12.2%
1 year            32.8%                      23.0%
3 years           28.5%                      25.0%
5 years           22.5%                      19.4%
Since Inception   22.7%                       n/a
 
 *not annualized

                            Growth And Income            S&P 500
              4/30/93             10,000                  10,000
               Dec-93             11,424                  10,819
               Dec-94             12,286                  10,966
               Dec-95             15,402                  15,072
               Dec-96             18,189                  18,524
               Dec-97             24,278                  24,695
              6/30/98             28,832                  29,059


[X]  FUND FACTS
 
GOAL: Long-term total return through investment in equity securities.
START DATE: May 1, 1993
SIZE: $221 million as of June 30, 1998
MANAGERS: Gerald Scriver and Philip Cooper. Mr. Scriver and Mr. Cooper have
managed the Series from its inception in 1993; they also have managed Westpeak
Stock Index Series since August 1993, New England Growth Opportunities Fund
since May 1, 1995 and New England Capital Growth Fund since February 16, 1998.
Mr. Scriver joined Westpeak in July 1991 and Mr. Cooper joined Westpeak in
December 1991.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
                                                                             41
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK GROWTH AND INCOME SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
COMMON STOCKS--96.3% OF TOTAL NET ASSETS
- --------------------------------------------------------------------------------
SHARES                                                          VALUE (A)
 
        AIRLINES--0.7%
 19,600 AMR, Corp.(c)........................................   $  1,631,700
                                                                ------------
        APPAREL & TEXTILES--1.9%
 12,000 Jones Apparel Group, Inc.(c).........................        438,750
 73,500 VF Corp..............................................      3,785,250
                                                                ------------
                                                                   4,224,000
                                                                ------------
        AUTOMOTIVE--4.2%
 82,600 Dana Corp. ..........................................      4,419,100
 83,600 Ford Motor Co........................................      4,932,400
                                                                ------------
                                                                   9,351,500
                                                                ------------
        BANKS--8.4%
 65,000 Banc One Corp. ......................................      3,627,813
 13,000 BankAmerica Corp. ...................................      1,123,688
 58,900 Comerica, Inc. ......................................      3,902,125
 46,631 NationsBank Corp. ...................................      3,567,272
 11,600 Republic New York Corp. .............................        730,075
 56,300 SunTrust Banks, Inc. ................................      4,577,894
  7,600 UnionBanCal Corp. ...................................        733,400
                                                                ------------
                                                                  18,262,267
                                                                ------------
        BUSINESS SERVICES--0.8%
  3,000 Interpublic Group Cos. ..............................        182,062
 30,300 Robert Half International, Inc.(c)...................      1,693,013
                                                                ------------
                                                                   1,875,075
                                                                ------------
        CHEMICALS--2.8%
 33,100 Dow Chemical Co. ....................................      3,200,356
 29,300 Ecolab, Inc. ........................................        908,300
 47,300 Lyondell Petrochemical Co.(c)........................      1,439,694
 10,200 PPG Industries, Inc. ................................        709,537
                                                                ------------
                                                                   6,257,887
                                                                ------------
        COMPUTER SOFTWARE & SERVICES--2.6%
 20,800 Cadence Design Systems, Inc.(c)......................        650,000
 43,100 Microsoft Corp.(c)...................................      4,670,963
 17,500 Symantec Corp.(c)....................................        457,187
                                                                ------------
                                                                   5,778,150
                                                                ------------
        COMPUTERS & BUSINESS EQUIPMENT--5.4%
 56,500 Cisco Systems, Inc.(c)...............................      5,201,531
 37,200 Compaq Computer Corp. ...............................      1,055,550
 14,600 EMC Corp.(c).........................................        654,262
 36,300 Lexmark International Group, Inc.(c).................      2,214,300
 22,000 Pitney Bowes, Inc. ..................................      1,058,750
 24,700 Sun Microsystems, Inc.(c)............................      1,072,906
  5,200 Xerox Corp. .........................................        528,450
                                                                ------------
                                                                  11,785,749
                                                                ------------
        CONSTRUCTION--2.2%
 43,400 Centex Corp. ........................................      1,638,350
 52,300 Masco Corp. .........................................      3,164,150
                                                                ------------
                                                                   4,802,500
                                                                ------------
        CONSUMER GOODS & SERVICES--0.5%                      
 18,500 Black & Decker Corp. ................................      1,128,500
                                                                ------------
        DEFENSE & AEROSPACE--2.0%                            
 24,200 B.F. Goodrich Co. ...................................      1,200,925
 53,500 Gulfstream Aerospace Corp.(c)........................      2,487,750
 13,400 Litton Industries, Inc.(c)...........................        790,600
                                                                ------------
                                                                   4,479,275
                                                                ------------
        DRUGS--8.7%                                          
 14,500 Bristol-Myers Squibb Co. ............................      1,666,594
 25,400 Cardinal Health, Inc. ...............................      2,381,250
 60,000 Genentech, Inc.(c)...................................      4,072,500
 13,800 Merck & Co. .........................................      1,845,750
 33,100 Pfizer, Inc. ........................................      3,597,556
 59,700 Schering-Plough Corp. ...............................      5,470,013
                                                                ------------
                                                                  19,033,663
                                                                ------------
        ELECTRIC UTILITIES--3.2%                             
  4,600 Consolidated Edison, Inc. ...........................        211,887
 94,400 DTE Energy Co. ......................................      3,811,400
 69,000 Pinnacle West Capital Corp. .........................      3,105,000
                                                                ------------
                                                                   7,128,287
                                                                ------------
        ELECTRONICS--3.2%                                    
 68,500 Lucent Technologies, Inc. ...........................      5,698,344
 11,600 SCI Systems, Inc.(c).................................        436,450
 12,800 Tellabs, Inc.(c).....................................        916,800
                                                                ------------
                                                                   7,051,594
                                                                ------------
        ENERGY RESERVES--2.3%                                
 19,300 Chevron Corp. .......................................      1,603,106
 49,300 Exxon Corp. .........................................      3,515,706
                                                                ------------
                                                                   5,118,812
                                                                ------------
        FINANCIAL SERVICES--5.3%                             
  8,300 American Express Co. ................................        946,200
 21,910 Associates First Capital.............................      1,684,331
 17,800 Dun & Bradstreet.....................................      4,255,525
 77,600 Federal National Mortgage Association................      4,714,200
                                                                ------------
                                                                  11,600,256
                                                                ------------
        FOOD & BEVERAGES--2.4%                               
 15,000 Dean Foods Co. ......................................        824,063
 21,400 Interstate Bakeries..................................        710,213
 
                See accompanying notes to financial statements.

42
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK GROWTH AND INCOME SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
COMMON STOCKS--(CONTINUED)
- --------------------------------------------------------------------------------
SHARES                                                              VALUE (A)
 
        FOOD & BEVERAGES--(CONTINUED)
 18,600 Kellogg Co. .............................................   $    698,662
 33,900 Quaker Oats Co. .........................................      1,862,381
 16,100 Unilever N.V. ...........................................      1,270,894
                                                                    ------------
                                                                       5,366,213
                                                                    ------------
        HEALTH CARE--PRODUCTS--1.8%
 14,800 Johnson & Johnson........................................      1,091,500
 47,500 TYCO International, Ltd. ................................      2,992,500
                                                                    ------------
                                                                       4,084,000
                                                                    ------------
        HEALTH CARE--SERVICES--1.6%
 44,900 Health Care & Retirement Corp.(c)........................      1,770,744
 53,600 Tenet Healthcare Corp.(c)................................      1,675,000
                                                                    ------------
                                                                       3,445,744
                                                                    ------------
        HOTELS & RESTAURANTS--0.2%
  9,417 Promus Hotel Corp.(c)....................................        362,554
                                                                    ------------
        HOUSEHOLD PRODUCTS--1.8%
 27,900 Estee Lauder Companies, Inc. ............................      1,944,281
 10,100 Procter & Gamble Co. ....................................        919,731
 35,300 Rubbermaid, Inc. ........................................      1,171,519
                                                                    ------------
                                                                       4,035,531
                                                                    ------------
        INDUSTRIAL--PARTS & MACHINERY--4.4%
 49,000 Caterpillar, Inc. .......................................      2,590,875
 58,500 Ingersoll-Rand Co. ......................................      2,577,656
 14,400 Timken Co. ..............................................        443,700
 44,600 United Technologies Corp. ...............................      4,125,500
                                                                    ------------
                                                                       9,737,731
                                                                    ------------
        INSURANCE--4.9%
 54,200 Allstate Corp. ..........................................      4,962,688
  4,200 American International Group.............................        613,200
 12,400 MGIC Investment Corp. ...................................        707,575
 24,375 Old Republic International Corp. ........................        714,492
 71,000 St. Paul Cos. ...........................................      2,986,438
 15,600 Travelers Group..........................................        945,750
                                                                    ------------
                                                                      10,930,143
                                                                    ------------
        MEDIA & ENTERTAINMENT--1.4%
 35,700 Time Warner, Inc. .......................................      3,050,119
                                                                    ------------
        MEDICAL--SERVICES--0.2%
 12,700 Omnicare, Inc. ..........................................        484,187
                                                                    ------------
        METALS & MINING--0.4%
 25,400 USX-U.S. Steel Group.....................................        838,200
                                                                    ------------
        OIL--REFINING & DISTRIBUTION--0.5%
 16,700 Coastal Corp. ...........................................      1,165,869
                                                                    ------------
        PUBLISHING--2.2%
 13,600 Gannett Co. .............................................        966,450
 71,200 Knight-Ridder, Inc. .....................................      3,920,450
                                                                    ------------
                                                                       4,886,900
                                                                    ------------
        RETAIL--CLOTHING--0.6%
 13,500 Neiman-Marcus Group(c)...................................        586,406
 34,600 TJX Companies, Inc. .....................................        834,725
                                                                    ------------
                                                                       1,421,131
                                                                    ------------
        RETAIL--DEPARTMENT STORE--4.3%
 38,000 Dayton Hudson Corp. .....................................      1,843,000
 27,700 Federated Department Stores, Inc.(c).....................      1,490,606
 15,600 Fred Meyer, Inc.(c)......................................        663,000
 91,600 Wal-Mart Stores, Inc. ...................................      5,564,700
                                                                    ------------
                                                                       9,561,306
                                                                    ------------
        RETAIL--FOOD & DRUG--1.1%
 29,800 Albertson's, Inc. .......................................      1,544,012
 22,800 Safeway, Inc.(c).........................................        927,675
                                                                    ------------
                                                                       2,471,687
                                                                    ------------
        RETAIL--SPECIALTY--1.9%
 30,900 Borders Group, Inc.(c)...................................      1,143,300
  7,100 General Nutrition(c).....................................        220,987
 32,800 Home Depot, Inc. ........................................      2,724,450
                                                                    ------------
                                                                       4,088,737
                                                                    ------------
        SECURITIES & ASSET MANAGEMENT--4.6%
 27,700 Bear Stearns Cos. .......................................      1,575,438
 12,200 Donaldson, Lufkin & Jenrette, Inc. ......................        619,912
 45,600 Equitable Cos. ..........................................      3,417,150
 10,500 Lehman Brothers Holdings.................................        814,406
  3,800 Merrill Lynch & Co. .....................................        350,550
 37,700 Morgan Stanley Dean Witter...............................      3,444,838
                                                                    ------------
                                                                      10,222,294
                                                                    ------------
        TELECOMMUNCIATION--6.6%
 13,200 AirTouch Communications, Inc.(c).........................        771,375
 86,500 Ameritech Corp...........................................      3,881,688
 88,800 AT&T Corp. ..............................................      5,072,700
 13,400 Bell Atlantic Corp. .....................................        611,375
 46,200 BellSouth Corp. .........................................      3,101,175
 20,700 U.S. West, Inc. .........................................        972,900
                                                                    ------------
                                                                      14,411,213
                                                                    ------------
        TOBACCO--1.2%
 72,300 Universal Corp. .........................................      2,702,213
                                                                    ------------
        Total Common Stocks
         (Identified Cost $172,382,122)..........................    212,774,987
                                                                    ------------
 
                See accompanying notes to financial statements.

                                                                              43
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK GROWTH AND INCOME SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
SHORT-TERM INVESTMENT--3.5%
- --------------------------------------------------------------------------------
   FACE
  AMOUNT                                                           VALUE (A)
$7,703,000 Repurchase agreement with State Street Corp. dated
             6/30/98 at 5.000% to be repurchased at $7,704,070
             on 7/01/98 collaterized by $5,985,000 U.S Treasury
             Bond 8.125% due 8/15/19 with a value of
             $7,861,788.........................................   $  7,703,000
                                                                   ------------
           Total Short-Term Investment
             (Identified cost $7,703,000).......................      7,703,000
                                                                   ------------
           Total Investments--99.8%
             (Identified cost $180,085,122)(b)..................    220,477,987
           Other assets less liabilities........................        419,795
                                                                   ------------
           TOTAL NET ASSETS--100%...............................   $220,897,782
                                                                   ============
(a) See Note 1A.
(b) Federal Tax Information:
    At June 30,1998 the net unrealized appreciation on investments based on cost
    of $180,085,122 for federal income tax purposes was as follows:
    Aggregate gross unrealized appreciation for all investments in
    which there is an excess of value over tax cost...............  $43,305,477
    Aggregate gross unrealized depreciation for all investments in
    which there is an excess of tax cost over value...............   (2,912,612)
                                                                    -----------
    Net unrealized appreciation...................................  $40,392,865
                                                                    ===========
(c) Non-income producing security.

 
                See accompanying notes to financial statements.

44
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK GROWTH AND INCOME SERIES)
- --------------------------------------------------------------------------------
STATEMENT OF ASSETS & LIABILITIES                                       
- --------------------------------------------------------------------------------
JUNE 30, 1998 (UNAUDITED)                                               
                                                                        
ASSETS
 Investments at value....................................           $220,477,987
 Cash....................................................                    216
 Receivable for:        
  Fund shares sold.......................................                412,988
  Dividends and interest.................................                243,361
  Foreign taxes..........................................                  1,202
                                                                    ------------
                                                                     221,135,754
LIABILITIES
 Payable for:
  Fund shares redeemed...................................  $ 81,495
 Accrued expenses:
  Management fees........................................   120,791
  Deferred trustees' fees................................     5,460
  Other expenses.........................................    30,226
                                                           --------
                                                                         237,972
                                                                    ------------
                                                                    $220,897,782
                                                                    ============
NET ASSETS
 Net Assets consist of:
  Capital paid in........................................           $161,959,588
  Undistributed net investment income....................                703,014
  Accumulated net realized gains.........................             17,842,315
  Unrealized appreciation on investments.................             40,392,865
                                                                    ------------
NET ASSETS...............................................           $220,897,782
                                                                    ============
Computation of offering price:
Net asset value and redemption price per share
 ($220,897,782 divided by 1,033,499 shares of beneficial
 interest)...............................................           $     213.74
                                                                    ============
Identified cost of investments...........................           $180,085,122
                                                                    ============

- --------------------------------------------------------------------------------
STATEMENT OF OPERATIONS      
- --------------------------------------------------------------------------------
SIX MONTHS ENDED JUNE 30, 1998 (UNAUDITED)                   

INVESTMENT INCOME
 Dividends.............................................           $ 1,278,864(a)
 Interest..............................................               137,695
                                                                  -----------
                                                                    1,416,559
EXPENSES
 Management fees.......................................  $645,414
 Trustees' fees and expenses...........................    10,005
 Custodian.............................................    30,614
 Audit and tax services................................     6,133
 Legal.................................................     2,942
 Printing..............................................    27,206
 Insurance.............................................     3,546
 Miscellaneous.........................................     2,264
                                                         --------
     Total expenses....................................               728,124
                                                                  -----------
NET INVESTMENT INCOME..................................               688,435
REALIZED AND UNREALIZED GAIN ON INVESTMENTS
 Realized gain on:
  Investments--net.....................................            13,123,139
 Unrealized appreciation on:
  Investments--net.....................................            17,485,162
                                                                  -----------
Net gain on investment transactions....................            30,608,301
                                                                  -----------
NET INCREASE IN NET ASSETS FROM OPERATIONS.............           $31,296,736
                                                                  ===========

(a) Net of foreign taxes of: $1,804


 
                See accompanying notes to financial statements.

                                                                              45
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK GROWTH AND INCOME SERIES)
- --------------------------------------------------------------------------------
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
- --------------------------------------------------------------------------------
                                                   YEAR ENDED   SIX MONTHS ENDED
                                                  DECEMBER 31,      JUNE 30,
                                                      1997            1998
                                                  ------------  ----------------
FROM OPERATIONS
 Net investment income..........................  $  1,047,363    $    688,435
 Net realized gain on investments...............    17,943,986      13,123,139
 Unrealized appreciation on investments.........    12,979,433      17,485,162
                                                  ------------    ------------
 INCREASE IN NET ASSETS FROM OPERATIONS.........    31,970,782      31,296,736
                                                  ------------    ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income..........................    (1,033,253)              0
 Net realized gain on investments...............   (15,362,335)              0
                                                  ------------    ------------
                                                   (16,395,588)              0
                                                  ------------    ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares...................    64,665,884      54,363,393
 Net asset value of shares issued in connection
  with the reinvestment of:
   Distributions from net investment income.....     1,033,253               0
   Distributions from net realized gain.........    15,362,335               0
                                                  ------------    ------------
                                                    81,061,472      54,363,393
 Cost of shares redeemed........................   (26,228,431)    (17,500,725)
                                                  ------------    ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL
  SHARE TRANSACTIONS............................    54,833,041      36,862,668
                                                  ------------    ------------
 TOTAL INCREASE IN NET ASSETS...................    70,408,235      68,159,404
NET ASSETS
 Beginning of the period........................    82,330,143     152,738,378
                                                  ------------    ------------
 End of the period..............................  $152,738,378    $220,897,782
                                                  ============    ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period..............................  $     14,579    $    703,014
                                                  ============    ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares.................       362,661         272,591
 Issued in connection with the reinvestment of:
   Distributions from net investment income.....         5,886               0
   Distributions from net realized gain.........        86,752               0
                                                  ------------    ------------
                                                       455,299         272,591
 Redeemed.......................................      (149,104)        (87,736)
                                                  ------------    ------------
 Net change.....................................       306,195         184,855
                                                  ============    ============
 
- --------------------------------------------------------------------------------
FINANCIAL HIGHLIGHTS (UNAUDITED)
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                          APRIL 30, 1993(A)                                      SIX MONTHS
                               THROUGH       YEAR     YEAR     YEAR      YEAR      ENDED
                            DECEMBER 31,     ENDED    ENDED    ENDED    ENDED     JUNE 30,
                                1993         1994     1995     1996      1997       1998
                          ----------------- -------  -------  -------  --------  ----------
<S>                       <C>               <C>      <C>      <C>      <C>       <C>
Net Asset Value,
 Beginning of period....       $100.00      $112.32  $109.03  $141.31  $ 151.77   $ 179.98
                               -------      -------  -------  -------  --------   --------
Income From Investment
 Operations
Net Investment Income...          0.92         1.90     1.77     1.78      1.37       0.66
Net Realized and
 Unrealized Gain (Loss)
 on Investments.........         13.33        (3.25)   37.91    23.69     48.76      33.10
                               -------      -------  -------  -------  --------   --------
Total From Investment
 Operations.............         14.25        (1.35)   39.68    25.47     50.13      33.76
                               -------      -------  -------  -------  --------   --------
Less Distributions
Distributions From Net
 Investment Income......         (0.92)       (1.92)   (1.71)   (1.82)    (1.35)      0.00
Distributions From Net
 Realized Capital Gains.         (1.00)        0.00    (5.69)  (13.19)   (20.57)      0.00
Distributions in Excess
 of Net Realized Capital
 Gains..................         (0.01)        0.00     0.00     0.00      0.00       0.00
Distributions From Paid-
 in Capital.............          0.00        (0.02)    0.00     0.00      0.00       0.00
                               -------      -------  -------  -------  --------   --------
Total Distributions.....         (1.93)       (1.94)   (7.40)  (15.01)   (21.92)      0.00
                               -------      -------  -------  -------  --------   --------
Net Asset Value, End of
 period.................       $112.32      $109.03  $141.31  $151.77  $ 179.98   $ 213.74
                               =======      =======  =======  =======  ========   ========
TOTAL RETURN (%)........         14.24(b)     (1.21)   36.46    18.10     33.48      18.76(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............          0.85(c)      0.85     0.85     0.85      0.82       0.79(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............          2.16(c)      2.30     1.63     1.40      0.91       0.75(c)
Portfolio Turnover Rate
 (%)....................            49(c)       133       92      104        93         94(c)
Net Assets, End of
 period (000)...........       $ 9,082      $22,934  $48,129  $82,330  $152,738   $220,898
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............          0.94(c)      0.86     1.06     0.91        --         --
</TABLE>
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.
 
                See accompanying notes to financial statements.

46
<PAGE>
 
WESTPEAK STOCK INDEX SERIES
PORTFOLIO MANAGERS: GERALD H. SCRIVER AND PHILIP J. COOPER
WESTPEAK INVESTMENT ADVISORS, L.P.
 
[PHOTO OF GERALD H. SCRIVER                 [PHOTO OF PHILIP J. COOPER 
APPEARS HERE]                               APPEARS HERE]


Q. HOW DID THE SERIES PERFORM DURING THE FIRST HALF OF 1998?
 
A. The Westpeak Stock Index Series returned 17.3% compared to 17.67% posted by
the S&P 500 Index for the six months ended June 30, 1998.

            A $10,000 Investment Compared to the S&P 500 Index/25/

                           [LINE GRAPH APPEARS HERE]

    Average Annual Total Return
                        Stock Index             Lipper Variable Products
                          Series                 S&P 500 Fund Index/16/

    6 months*             17.3%                         17.4%
    1 year                29.4%                         29.6%
    3 years               29.5%                         29.7%
    5 years               22.5%                         22.5%
    10 Years              18.0%                         17.9%
    Since Inception       15.8%                          n/a

    *not annualized


                          Stock Index Series                S&P 500
        12/31/87                10,000                      10,000
          Dec-88                11,634                      11,650
          Dec-89                15,142                      15,330
          Dec-90                14,514                      14,852
          Dec-91                18,923                      19,358
          Dec-92                20,304                      20,831
          Dec-93                22,278                      22,921
          Dec-94                22,532                      23,232
          Dec-95                30,842                      31,931
          Dec-96                37,771                      39,243
          Dec-97                50,045                      52,317
         6/30/98                58,695                      61,562

 
Q. HOW WAS THE SERIES MANAGED DURING THE FIRST SIX MONTHS?
 
A. The Series is managed so as to track the performance of the S&P 500 Index.
Westpeak's approach is to emulate the S&P 500 Index by owning a majority of
the stocks in the Index in the same proportion as the index. This process
seeks to minimize the tracking error (the difference between the performance
of the series to the index). The Series expects to be fully invested in the
S&P 500 stocks.
 
 
[X] FUND FACTS
 
GOAL: Investment results that correspond to the composite price and yield
performance of United States publicly traded common stocks.

START DATE: May 1, 1987

SIZE: $159 million as of June 30, 1998

MANAGERS: Gerald Scriver and Philip Cooper. Mr. Scriver and Mr. Cooper have
managed the Series since 1993; they have also managed Westpeak Growth and Income
Series since August 1993, New England Growth Opportunities Fund since May 1,
1995 and New England Capital Growth Fund since February 16, 1998. Mr. Scriver
joined Westpeak in July 1991 and Mr. Cooper joined Westpeak in December 1991.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 

                                                                             47
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)

INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
COMMON STOCKS--99.1% OF TOTAL NET ASSETS
- --------------------------------------------------------------------------------

SHARES                                                              VALUE (A)

        AIRLINES--0.4%
  3,200 AMR Corp.(c).............................................   $    266,400
  1,300 Delta Air Lines..........................................        168,025
  3,900 Southwest Airlines.......................................        115,537
  1,500 US Airways Group, Inc.(c)................................        118,875
                                                                    ------------
                                                                         668,837
                                                                    ------------
        APPAREL & TEXTILES--0.3%
  1,300 Fruit of the Loom, Inc.(c)...............................         43,144
  1,100 Liz Claiborne, Inc.......................................         57,475
  5,100 NIKE, Inc., Class B......................................        248,306
  1,000 Reebok International, Ltd.(c)............................         27,687
    600 Russell Corp.............................................         18,113
    300 Springs Industries, Inc..................................         13,838
  2,100 VF Corp..................................................        108,150
                                                                    ------------
                                                                         516,713
                                                                    ------------
        AUTOMOTIVE--2.1%
 11,600 Chrysler Corp............................................        653,950
  1,400 Cooper Tire & Rubber Co..................................         28,875
  1,900 Dana Corp................................................        101,650
  1,100 Echlin, Inc..............................................         53,969
 21,300 Ford Motor Co............................................      1,256,700
 12,600 General Motors Corp......................................        841,837
  2,700 Goodyear Tire & Rubber...................................        173,981
  2,000 ITT Industries, Inc......................................         74,750
  1,320 Navistar International Corp.(c)..........................         38,115
  1,290 PACCAR, Inc..............................................         67,403
                                                                    ------------
                                                                       3,291,230
                                                                    ------------
        BANKS--8.5%
 12,552 Banc One Corp............................................        700,558
  6,600 Bank of New York.........................................        400,537
 12,356 BankAmerica Corp.........................................      1,068,022
  5,000 BankBoston Corp..........................................        278,125
  1,700 Bankers Trust New York...................................        197,306
  2,500 BB&T Corp................................................        169,063
 14,940 Chase Manhattan..........................................      1,127,970
  8,000 Citicorp.................................................      1,194,000
  2,700 Comerica, Inc............................................        178,875
  4,200 Fifth Third Bancorp......................................        264,600
  5,110 First Chicago Corp.......................................        452,874
 17,170 First Union Corp.........................................      1,000,152
  4,862 Fleet Financial Group, Inc...............................        405,977
  3,400 Huntington Bancshares, Inc...............................        113,900
  3,200 J.P. Morgan..............................................        374,800
  7,800 Keycorp..................................................        277,875
  4,500 Mellon Bank Corp.........................................        313,313
  2,300 Mercantile Bancorp, Inc..................................        115,863
  5,700 National City Corp.......................................        404,700
 16,742 NationsBank Corp.........................................      1,280,763
  1,900 Northern Trust Corp......................................        144,875
 13,500 Norwest Corp.............................................        504,562
  5,500 PNC Bank Corp............................................        295,969
  2,000 Republic New York Corp...................................        125,875
  2,800 State Street Corp........................................        194,600
  3,000 Summit Bancorp...........................................        142,500
  3,700 SunTrust Banks, Inc......................................        300,856
  4,650 Synovus Financial Corp...................................        110,438
 13,008 U.S. Bancorp.............................................        559,344
  3,600 Wachovia Corp............................................        304,200
  1,433 Wells Fargo & Co.........................................        528,777
                                                                    ------------
                                                                      13,531,269
                                                                    ------------
        BUSINESS SERVICES--1.1%
  5,200 Automatic Data Processing, Inc...........................        378,950
  1,400 Ceridian Corp.(c)........................................         82,250
  2,920 Cognizant Corp...........................................        183,960
  2,800 Computer Sciences(c).....................................        179,200
  2,700 Equifax, Inc.............................................         98,044
  7,500 First Data Corp..........................................        249,844
  7,500 HBO & Co.................................................        264,375
  2,200 Interpublic Group Cos....................................        133,512
  2,900 Omnicom Group............................................        144,637
    400 Shared Medical System....................................         29,375
                                                                    ------------
                                                                       1,744,147
                                                                    ------------
        CHEMICALS--3.1%
  4,200 Air Products & Chemicals, Inc............................        168,000
  1,300 Ashland, Inc.............................................         67,113
  1,800 Avery Dennison Corp......................................         96,750
  3,850 Dow Chemical Co..........................................        372,247
  1,400 Eastman Chemical Co......................................         87,150
  2,200 Ecolab, Inc..............................................         68,200
 20,100 El duPont deNemours......................................      1,499,962
  2,525 Engelhard Corp...........................................         51,131
  1,100 Great Lakes Chemical Corp................................         43,381
  1,700 Hercules, Inc............................................         69,913
  7,300 Minnesota Mining & Manufacturing Co......................        599,969
 10,400 Monsanto Co..............................................        581,100
  2,300 Morton International, Inc................................         57,500
  1,200 Nalco Chemical Co........................................         42,150
  6,100 Occidental Petroleum Corp................................        164,700
  3,100 PPG Industries, Inc......................................        215,644
  2,700 Praxair, Inc.............................................        126,394
  1,000 Rohm & Haas Co...........................................        103,937
    896 Sealed Air Corp.(c)......................................         32,928
  3,000 Sherwin Williams Co......................................         99,375
  1,700 Sigma-Aldrich............................................         59,713
  3,000 Tenneco, Inc.............................................        114,187
  2,100 Union Carbide Corp.......................................        112,087
  1,300 W.R. Grace & Co.(c)......................................         22,181
  1,775 Westvaco Corp............................................         50,144
                                                                    ------------
                                                                       4,905,856
                                                                    ------------
 
 
                See accompanying notes to financial statements.

48
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
COMMON STOCKS--(CONTINUED)
- --------------------------------------------------------------------------------

SHARES                                                              VALUE (A)

        COMPUTER SOFTWARE & SERVICES--3.8%
  1,300 Adobe Systems, Inc.......................................   $     55,169
    700 Autodesk, Inc............................................         27,037
  9,600 Computer Associates International, Inc...................        533,400
 43,000 Microsoft Corp.(c).......................................      4,660,125
  6,100 Novell, Inc.(c)..........................................         77,775
 17,537 Oracle Systems Corp.(c)..................................        430,753
  4,500 Parametric Technology Corp.(c)...........................        122,062
  4,400 Unisys Corp.(c)..........................................        124,300
                                                                    ------------
                                                                       6,030,621
                                                                    ------------
        COMPUTERS & BUSINESS EQUIPMENT--5.7%
  6,200 3Com Corp.(c)............................................        190,263
  2,300 Apple Computer(c)........................................         65,981
  3,400 Ascend Communications(c).................................        168,513
  3,900 Bay Networks, Inc.(c)....................................        125,775
  2,700 Cabletron Systems, Inc.(c)...............................         36,281
 18,050 Cisco Systems(c).........................................      1,661,728
 31,947 Compaq Computer Corp.....................................        906,496
    800 Data General Corp.(c)....................................         11,950
 11,400 Dell Computer Corp.(c)...................................      1,058,062
  8,700 EMC Corp.(c).............................................        389,869
  2,800 Gateway 2000, Inc.(c)....................................        141,750
 18,500 Hewlett-Packard Co.......................................      1,107,687
  2,400 Ikon Office Solutions, Inc...............................         34,950
 17,300 International Business Machines..........................      1,986,256
  5,000 Pitney Bowes, Inc........................................        240,625
  4,200 Seagate Technology(c)....................................        100,013
  3,200 Silicon Graphics, Inc.(c)................................         38,800
  6,600 Sun Microsystems, Inc.(c)................................        286,688
  5,700 Xerox Corp...............................................        579,262
                                                                    ------------
                                                                       9,130,949
                                                                    ------------
        CONSTRUCTION--0.3%
    600 Armstrong World Industries, Inc..........................         40,425
  1,000 Centex Corp..............................................         37,750
    500 Fleetwood Enterprises, Inc...............................         20,000
  1,500 Fluor Corp...............................................         76,500
    600 Kaufman & Broad Home.....................................         19,050
  2,900 Masco Corp...............................................        175,450
    800 Owens-Corning............................................         32,650
    600 Pulte Corp...............................................         17,925
                                                                    ------------
                                                                         419,750
                                                                    ------------
        CONSUMER GOODS & SERVICES--0.2%
  1,600 Black & Decker Corp......................................         97,600
  1,700 Maytag Corp..............................................         83,938
  1,300 Whirlpool Corp...........................................         89,375
                                                                    ------------
                                                                         270,913
                                                                    ------------
        DEFENSE & AEROSPACE--1.6%
    400 Aeroquip-Vickers, Inc....................................         23,350
  9,900 Allied Signal, Inc.......................................        439,312
  1,300 B.F. Goodrich Co.........................................         64,513
 17,754 Boeing Co................................................        791,163
  2,200 General Dynamics Corp....................................        102,300
  3,315 Lockheed Martin..........................................        350,976
  1,100 Northrop Grumman Corp....................................        113,438
  5,900 Raytheon Co., Class B....................................        348,837
  2,800 Textron, Inc.............................................        200,725
  2,100 TRW, Inc.................................................        114,712
                                                                    ------------
                                                                       2,549,326
                                                                    ------------
        DRUGS--8.2%
  1,200 Allergan, Inc............................................         55,650
  1,500 ALZA Corp.(c)............................................         64,875
 23,200 American Home Products Corp..............................      1,200,600
  4,600 Amgen, Inc.(c)...........................................        300,725
 17,680 Bristol-Myers Squibb.....................................      2,032,095
  1,900 Cardinal Health, Inc.....................................        178,125
 19,700 Eli Lilly................................................      1,301,431
 21,100 Merck & Co...............................................      2,822,125
 22,800 Pfizer, Inc..............................................      2,478,075
  8,880 Pharmacia & Upjohn, Inc..................................        409,590
 13,000 Schering-Plough Corp.....................................      1,191,125
 14,400 Warner-Lambert Co........................................        999,000
                                                                    ------------
                                                                      13,033,416
                                                                    ------------
        ELECTRIC UTILITIES--2.4%
  2,400 Ameren Corp.(c)..........................................         95,400
  3,400 American Electric Power, Inc.............................        154,275
  2,600 Baltimore Gas & Electric Co..............................         80,763
  2,700 Carolina Power & Light Co................................        117,112
  3,800 Central & South West Corp................................        102,125
  2,811 Cinergy Corp.............................................         98,385
  4,100 Consolidated Edison, Inc.................................        188,856
  3,350 Dominion Resources, Inc..................................        136,512
  2,600 DTE Energy Co............................................        104,975
  6,327 Duke Power Co............................................        374,875
  6,700 Edison International.....................................        198,069
  4,300 Entergy Corp.............................................        123,625
  4,100 FirstEnergy Corp.(c).....................................        126,075
  3,200 FPL Group, Inc...........................................        201,600
  2,200 GPU, Inc.................................................         83,187
  5,048 Houston Industries, Inc..................................        155,857
  2,600 Niagara Mohawk Power Corp.(c)............................         38,838
  2,700 Northern States Power Co.................................         77,288
  6,800 Pacific Gas & Electric Corp..............................        214,625
  5,200 Pacificorp...............................................        117,650
  3,900 PECO Energy Co...........................................        113,831
  2,800 PP&L Resources, Inc......................................         63,525
  4,000 Public Service Enterprise Group..........................        137,750
 12,300 Southern Co..............................................        340,556

 
                See accompanying notes to financial statements.

                                                                              49
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
COMMON STOCKS--(CONTINUED)
- --------------------------------------------------------------------------------

SHARES                                                              VALUE (A)

        ELECTRIC UTILITIES--(CONTINUED)
  4,425 Texas Utilities Co.......................................   $    184,191
  3,800 Unicom Corp. ............................................        133,237
                                                                    ------------
                                                                       3,763,182
                                                                    ------------
        ELECTRONICS--3.4%
  3,856 AMP, Inc.................................................        132,550
  1,530 Andrew Corp.(c)..........................................         27,636
  2,000 Cooper Industries, Inc...................................        109,875
  4,100 Corning, Inc.............................................        142,475
  2,100 DSC Communications Corp.(c)..............................         63,000
  1,300 Eaton Corp. .............................................        101,075
    700 EG&G, Inc................................................         21,000
  7,800 Emerson Electric Co......................................        470,925
    600 Foster Wheeler Corp. ....................................         12,863
  2,600 General Instrument Corp.(c)..............................         70,687
    900 General Signal Corp. ....................................         32,400
  1,400 Harris Corp. ............................................         62,563
  2,300 Honeywell, Inc. .........................................        192,194
  1,400 Johnson Controls, Inc....................................         80,062
  1,500 KLA Instruments Corp.(c).................................         41,531
 23,112 Lucent Technologies, Inc. ...............................      1,922,629
    800 Millipore Corp. .........................................         21,800
 10,600 Motorola, Inc. ..........................................        557,162
  9,300 Northern Telecom, Ltd. ..................................        527,775
    800 Perkin Elmer Corp. ......................................         49,750
  1,000 Phelps Dodge Corp. ......................................         57,188
  1,400 Raychem Corp. ...........................................         41,388
  3,500 Rockwell International Corp..............................        168,219
  1,300 Scientific Atlanta, Inc. ................................         32,988
    750 Tektronix, Inc. .........................................         26,531
  3,100 Tellabs, Inc.(c).........................................        222,037
  2,800 Thermo Electron Corp.(c).................................         95,725
  1,000 Thomas & Betts Corp. ....................................         49,250
  1,800 W.W. Grainger, Inc. .....................................         89,662
                                                                    ------------
                                                                       5,422,940
                                                                    ------------
        ENERGY RESERVES--4.9%
 17,300 Amoco Corp. .............................................        720,112
  1,100 Anadarko Petroleum Corp..................................         73,906
  1,600 Apache Corp..............................................         50,400
  5,600 Atlantic Richfield Co....................................        437,500
  2,962 Burlington Resources, Inc................................        127,551
 11,700 Chevron Corp.............................................        971,831
 43,600 Exxon Corp. .............................................      3,109,225
 14,000 Mobil Corp. .............................................      1,072,750
  1,800 Oryx Energy Corp.(c).....................................         39,825
    900 Pennzoil Co..............................................         45,563
  4,700 Phillips Petroleum Co. ..................................        226,481
  1,900 Sonat, Inc. .............................................         73,388
  9,800 Texaco, Inc. ............................................        584,938
  4,364 Union Pacific Resources Group, Inc.......................         76,643
  4,200 Unocal Corp. ............................................        150,150
                                                                    ------------
                                                                       7,760,263
                                                                    ------------
        ENVIRONMENTAL SERVICES--0.2%
  3,400 Browning-Ferris Industries, Inc..........................        118,150
  8,000 Waste Management, Inc....................................        280,000
                                                                    ------------
                                                                         398,150
                                                                    ------------
        FINANCIAL SERVICES--6.7%
  8,100 American Express Co......................................        923,400
  3,000 Aon Corp. ...............................................        210,750
  6,151 Associates First Capital.................................        472,857
    800 Beneficial Corp..........................................        122,550
  1,100 Capital One Financial....................................        136,606
  1,800 Countrywide Credit Industries, Inc.......................         91,350
  2,920 Dun & Bradstreet.........................................        105,485
 12,400 Federal Home Loan Mortgage Corp. ........................        583,575
 18,800 Federal National Mortgage Association....................      1,142,100
 57,900 General Electric Co......................................      5,268,900
    900 Golden West Financial....................................         95,681
  2,300 Green Tree Financial.....................................         98,469
  1,900 H & R Block, Inc.........................................         80,038
  1,900 H F Ahmanson & Co. ......................................        134,900
  5,700 Household International..................................        283,575
  4,500 Marsh & McLennan.........................................        271,969
  8,780 MBNA Corp................................................        289,740
  3,000 SLM Holding Corp.........................................        147,000
  6,817 Washington Mutual, Inc. .................................        296,113
                                                                    ------------
                                                                      10,755,058
                                                                    ------------
        FOOD & BEVERAGES--5.7%
    180 Agribrands International, Inc.(c)........................          5,445
 10,046 Archer-Daniels-Midland Co. ..............................        194,641
  5,100 Bestfoods................................................        296,119
  8,000 Campbell Soup Co. .......................................        425,000
 43,700 Coca-Cola Co.............................................      3,736,350
  8,500 ConAgra, Inc.............................................        269,344
  2,800 General Mills, Inc. .....................................        191,450
  6,500 H.J. Heinz Co............................................        364,812
  2,500 Hershey Foods............................................        172,500
  7,200 Kellogg Co. .............................................        270,450
 26,900 PepsiCo, Inc.............................................      1,107,944
  4,200 Pioneer Hi-Bred International, Inc. .....................        173,775
  2,400 Quaker Oats Co...........................................        131,850
  8,400 Sara Lee Corp. ..........................................        469,875
  1,000 Supervalu, Inc...........................................         44,375
  6,000 Sysco Corp. .............................................        153,750
 11,400 Unilever NV..............................................        899,887
     20 Vlasic Foods International, Inc. ........................            403
  2,000 William Wrigley Jr. Co...................................        196,000
                                                                    ------------
                                                                       9,103,970
                                                                    ------------
 
 
                See accompanying notes to financial statements.

50
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)

- --------------------------------------------------------------------------------
COMMON STOCKS--(CONTINUED)
- --------------------------------------------------------------------------------

SHARES                                                              VALUE (A)

        FREIGHT TRANSPORTATION--0.1%
  2,580 Federal Express Corp.(c).................................   $    161,895
  5,800 Laidlaw, Inc.............................................         70,688
                                                                    ------------
                                                                         232,583
                                                                    ------------
        GAS & PIPELINE UTILITIES--0.2%
  1,500 Columbia Gas Systems, Inc. ..............................         83,437
  1,600 Consolidated Natural Gas Co. ............................         94,200
    300 Eastern Enterprises......................................         12,863
    900 Nicor, Inc. .............................................         36,112
    600 ONEOK, Inc., New.........................................         23,925
    500 Peoples Energy Corp. ....................................         19,313
  4,256 Sempra Energy(c).........................................        118,096
                                                                    ------------
                                                                         387,946
                                                                    ------------
        HEALTH CARE--PRODUCTS--3.2%
 27,200 Abbott Laboratories......................................      1,111,800
  1,000 Bausch & Lomb, Inc. .....................................         50,125
  5,000 Baxter International, Inc. ..............................        269,062
  2,200 Becton, Dickinson & Co. .................................        170,775
  1,900 Biomet, Inc. ............................................         62,819
  3,500 Boston Scientific Corp.(c)...............................        250,687
  2,600 Guidant Corp.............................................        185,412
 23,900 Johnson & Johnson........................................      1,762,625
  1,300 Mallinckrodt, Inc........................................         38,594
  8,200 Medtronic, Inc...........................................        522,750
  1,600 St. Jude Medical, Inc.(c)................................         58,900
 10,000 TYCO International, Ltd..................................        630,000
  1,300 United States Surgical Corp..............................         59,313
                                                                    ------------
                                                                       5,172,862
                                                                    ------------
        HEALTH CARE--SERVICES--0.8%
  1,000 C.R. Bard, Inc. .........................................         38,063
 11,386 Columbia/HCA Healthcare..................................        331,617
  6,900 HEALTHSOUTH Corp.(c).....................................        184,144
  2,800 Humana, Inc.(c)..........................................         87,325
  1,100 Manor Care, Inc..........................................         42,281
  4,500 Service Corporation International........................        192,937
  5,400 Tenet Healthcare Corp.(c)................................        168,750
  3,300 United Healthcare Corp. .................................        209,550
                                                                    ------------
                                                                       1,254,667
                                                                    ------------
        HOTELS & RESTAURANTS--0.9%
  2,600 Darden Restaurants, Inc. ................................         41,275
  1,750 Harrahs Entertainment, Inc.(c)...........................         40,688
  4,400 Hilton Hotels............................................        125,400
  4,600 Marriott International, Inc.(c)..........................        148,925
 12,300 McDonald's Corp. ........................................        848,700
  3,200 Mirage Resorts(c)........................................         68,200
  2,620 Tricon Global Restaurants, Inc.(c).......................         83,021
  2,300 Wendy's International, Inc...............................         54,050
                                                                    ------------
                                                                       1,410,259
                                                                    ------------
        HOUSEHOLD PRODUCTS--3.1%
  1,000 Alberto Culver Co........................................         29,000
  2,200 Avon Products, Inc.......................................        170,500
  1,200 Brown-Forman Corp., Class B..............................         77,100
  1,800 Clorox Co................................................        171,675
  5,200 Colgate-Palmolive........................................        457,600
  3,000 Fortune Brands, Inc. ....................................        115,312
 20,000 Gillette Co..............................................      1,133,750
  1,800 International Flavours & Fragrances, Inc. ...............         78,188
    700 National Service Industries, Inc.........................         35,613
  2,800 Newell Co................................................        139,475
 23,820 Procter & Gamble.........................................      2,169,109
  1,800 Ralston Purina Co. ......................................        210,262
  2,600 Rubbermaid, Inc. ........................................         86,287
  1,100 Tupperware Corp. ........................................         30,938
                                                                    ------------
                                                                       4,904,809
                                                                    ------------
        INDUSTRIAL PARTS & MACHINERY--1.3%
    400 Briggs & Stratton Corp...................................         14,975
  1,300 Case Corp................................................         62,725
  6,600 Caterpillar, Inc. .......................................        348,975
    600 Cincinnati Milacron, Inc. ...............................         14,588
    700 Crane Co. ...............................................         33,994
    600 Cummins Engine, Inc. ....................................         30,750
  4,400 Deere & Co...............................................        232,650
  4,000 Dover Corp. .............................................        137,000
  3,200 Genuine Parts Co. .......................................        110,600
    700 Harnischfeger Industries, Inc. ..........................         19,819
  4,300 Illinois Tool Works, Inc.................................        286,756
  2,800 Ingersoll-Rand Co. ......................................        123,375
  1,000 McDermott International, Inc. ...........................         34,437
    100 Nacco Industries, Inc. ..................................         12,925
  2,100 Pall Corp................................................         43,050
  1,850 Parker Hannifin Corp.....................................         70,531
  1,050 Snap-On, Inc. ...........................................         38,062
  1,500 Stanley Works............................................         62,344
  1,000 Timken Co................................................         30,813
  4,000 United Technologies Corp.................................        370,000
                                                                    ------------
                                                                       2,078,369
                                                                    ------------
        INSURANCE--3.5%
  7,486 Allstate Corp. ..........................................        685,437
 12,518 American International Group.............................      1,827,628
  3,000 Chubb Corp...............................................        241,125
  2,900 Cincinnati Financial Corp. ..............................        111,288
  1,400 General Re Corp..........................................        354,900
  2,000 Hartford Financial Services Group........................        228,750
  1,900 Loews Corp. .............................................        165,537
  1,700 MBIA, Inc. ..............................................        127,287
  2,000 MGIC Investment Corp.....................................        114,125
  1,300 Progressive Corp.........................................        183,300
  2,500 Safeco Corp..............................................        113,594

 
                See accompanying notes to financial statements.

                                                                              51
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
COMMON STOCKS--(CONTINUED)
- --------------------------------------------------------------------------------

SHARES                                                              VALUE (A)

        INSURANCE--(CONTINUED)
  4,070 St. Paul Cos.............................................   $    171,194
 20,353 Travelers Group, Inc.....................................      1,233,901
                                                                    ------------
                                                                       5,558,066
                                                                    ------------
        LEISURE--0.5%
  1,700 Brunswick Corp...........................................         42,075
  5,850 Eastman Kodak Co. .......................................        427,416
  2,350 Hasbro, Inc. ............................................         92,384
  5,150 Mattel, Inc..............................................        217,909
    700 Polaroid Corp............................................         24,894
                                                                    ------------
                                                                         804,678
                                                                    ------------
        LIFE INSURANCE--1.2%
  2,683 Aetna, Inc. .............................................        204,243
  4,498 American General.........................................        320,201
  3,900 CIGNA Corp. .............................................        269,100
  3,300 Conseco, Inc.............................................        154,275
  1,837 Jefferson Pilot..........................................        106,431
  1,800 Lincoln National Corp., Inc. ............................        164,475
  1,600 Providian Financial Corp.................................        125,700
  3,400 SunAmerica, Inc. ........................................        195,288
  2,500 Torchmark Corp. .........................................        114,375
  1,000 Transamerica Corp. ......................................        115,125
  2,400 UNUM Corp. ..............................................        133,200
                                                                    ------------
                                                                       1,902,413
                                                                    ------------
        LIQUOR--0.3%
    600 Adolph Coors Co., Class B................................         20,400
  8,600 Anheuser-Busch Cos.......................................        405,813
                                                                    ------------
                                                                         426,213
                                                                    ------------
        MEDIA & ENTERTAINMENT--2.9%
 12,700 CBS Corp. ...............................................        403,225
  2,200 Clear Channel Communications(c)..........................        240,075
  6,100 Comcast..................................................        247,622
  1,300 King World Productions, Inc.(c)..........................         33,150
 10,700 MediaOne Group, Inc.(c)..................................        470,131
  6,200 Seagram Company, Ltd. ...................................        253,812
  8,900 Tele-Communications, Inc.(c).............................        342,094
 10,100 Time Warner, Inc. .......................................        862,919
  2,200 Tribune Co...............................................        151,388
  6,157 Viacom, Inc., Class B(c).................................        358,645
 11,998 Walt Disney Co. .........................................      1,260,540
                                                                    ------------
                                                                       4,623,601
                                                                    ------------
        METALS & MINING--0.6%
  4,000 Alcan Aluminum, Ltd. ....................................        110,500
  3,432 Allegheny Teldyne, Inc. .................................         78,507
  3,000 Aluminum Company of America..............................        197,812
  1,800 Armco, Inc.(c)...........................................         11,475
    600 ASARCO, Inc..............................................         13,350
    500 Ball Corp................................................         20,094
  2,300 Bethlehem Steel Corp.(c).................................         28,606
  2,300 Crown Cork & Seal Company, Inc. .........................        109,250
  1,550 Cyprus Amax Minerals Co..................................         20,538
  2,900 Inco, Ltd. ..............................................         39,512
  1,500 Nucor Corp...............................................         69,000
  2,700 Owens Illinois, Inc.(c)..................................        120,825
  1,300 Reynolds Metals Co.......................................         72,719
  1,420 USX-U.S. Steel Group.....................................         46,860
  1,600 Worthington Industries, Inc. ............................         24,100
                                                                    ------------
                                                                         963,148
                                                                    ------------
        OIL--FOREIGN--0.0%
    900 Kerr-McGee Corp. ........................................         52,088
                                                                    ------------
 
        OIL---REFINING & DISTRIBUTION--0.6%
  1,800 Coastal Corp. ...........................................        125,663
  5,700 Enron Corp. .............................................        308,156
  1,700 Sun, Inc. ...............................................         65,981
  5,100 USX-Marathon Group.......................................        174,994
  7,200 Williams Companies, Inc..................................        243,000
                                                                    ------------
                                                                         917,794
                                                                    ------------
        OIL RESERVES--1.4%
  1,600 Amerada Hess Corp. ......................................         86,900
 37,900 Royal Dutch Petroleum Co.................................      2,077,394
                                                                    ------------
                                                                       2,164,294
                                                                    ------------
        OIL SERVICES--0.8%
  3,000 Baker Hughes, Inc........................................        103,687
  3,000 Dresser Industries, Inc..................................        132,187
    600 FMC Corp.(c).............................................         40,913
  4,700 Halliburton Co. .........................................        209,444
    800 Helmerich & Payne, Inc. .................................         17,800
  1,500 Rowan Companies, Inc.(c).................................         29,156
  8,700 Schlumberger, Ltd. ......................................        594,319
  1,000 Western Atlas, Inc.(c)...................................         84,875
                                                                    ------------
                                                                       1,212,381
                                                                    ------------
        PAPER & FOREST PRODUCTS--1.0%
    800 Bemis, Inc., Rights......................................         32,700
    933 Boise Cascade Corp. .....................................         30,556
  1,600 Champion International Corp..............................         78,700
  3,600 Fort James...............................................        160,200
  1,600 Georgia Pacific Corp.....................................         94,300
  5,310 International Paper Co. .................................        228,330
  9,912 Kimberly-Clark Corp......................................        454,713
  1,800 Louisiana Pacific Corp. .................................         32,850
  1,800 Mead Corp. ..............................................         57,150
    400 Potlatch Corp............................................         16,800

 
                See accompanying notes to financial statements.

52
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
COMMON STOCKS--(CONTINUED)
- --------------------------------------------------------------------------------

SHARES                                                               VALUE (A)

        PAPER & FOREST PRODUCTS--(CONTINUED)
 1,700  Stone Container Corp.(c).................................   $     26,563
 1,000  Temple-Inland, Inc. .....................................         53,875
 1,200  Union Camp Corp..........................................         59,550
 3,400  Weyerhaeuser Co..........................................        157,037
 2,000  Willamette Industries, Inc...............................         64,000
                                                                    ------------
                                                                       1,547,324
                                                                    ------------
        PRECIOUS METAL--0.2%
 6,700  Barrick Gold Corp........................................        128,556
 4,100  Battle Mountain Gold Co..................................         24,344
 3,300  Freeport McMoran Copper & Gold, Class B..................         50,119
 3,800  Homestake Mining Co. ....................................         39,425
 2,741  Newmont Mining Corp......................................         64,756
 4,300  Placer Dome, Inc.........................................         50,525
                                                                    ------------
                                                                         357,725
                                                                    ------------
        PUBLISHING--0.8%
 1,300  American Greetings Corp. ................................         66,219
 1,400  Deluxe Corp..............................................         50,138
 1,600  Dow Jones & Company, Inc.................................         89,200
 5,000  Gannett Co...............................................        355,312
 1,300  Harcourt General, Inc....................................         77,350
   600  Jostens, Inc.............................................         14,325
 1,400  Knight-Ridder, Inc.......................................         77,088
 1,700  McGraw-Hill Companies, Inc...............................        138,656
   800  Meredith Corp. ..........................................         37,550
 1,500  Moore Corporation, Ltd...................................         19,875
 1,600  New York Times Co........................................        126,800
 2,500  R.R. Donnelley & Sons Co.................................        114,375
 1,500  Times Mirror Co. ........................................         94,312
                                                                    ------------
                                                                       1,261,200
                                                                    ------------
        RAILROADS & EQUIPMENT--0.5%
 2,722  Burlington Northern Santa Fe.............................        267,266
 3,800  CSX Corp. ...............................................        172,900
 6,600  Norfolk Southern Corp....................................        196,762
 4,300  Union Pacific Corp.......................................        189,738
                                                                    ------------
                                                                         826,666
                                                                    ------------
        RETAIL--CLOTHING--0.5%
    64  Abercrombie & Fitch Co...................................          2,830
 7,050  Gap, Inc.................................................        434,456
 4,093  Limited, Inc.............................................        135,581
 1,400  Nordstrom, Inc. .........................................        108,150
 5,800  TJX Companies, Inc. .....................................        139,925
 2,400  Venator Group, Inc.(c)...................................         45,900
                                                                    ------------
                                                                         866,842
                                                                    ------------
        RETAIL--DEPARTMENT STORE--2.8%
 3,739  Costco Companies(c)......................................        235,791
 7,800  Dayton Hudson Corp.......................................        378,300
  1,900 Dillard's, Inc...........................................         78,731
  3,700 Federated Department Stores, Inc.(c).....................        199,106
  4,300 J.C. Penney, Inc. .......................................        310,944
  8,600 Kmart(c).................................................        165,550
  4,100 May Department Stores Co. ...............................        268,550
  6,900 Sears, Roebuck & Co......................................        421,331
 39,700 Wal-Mart Stores, Inc. ...................................      2,411,775
                                                                    ------------
                                                                       4,470,078
                                                                    ------------
        RETAIL--FOOD & DRUG--0.4%
  4,400 Albertson's, Inc.........................................        227,975
  4,800 American Stores Co.......................................        116,100
    600 Great Atlantic & Pacific Tea, Inc........................         19,838
  4,400 Kroger Co.(c)............................................        188,650
  2,600 Winn-Dixie Stores Inc....................................        133,087
                                                                    ------------
                                                                         685,650
                                                                    ------------
        RETAIL--SPECIALTY--1.6%
  2,700 Autozone, Inc.(c)........................................         86,231
  1,700 Circuit City Stores......................................         79,688
  1,800 Consolidated Stores Corp.(c).............................         65,250
  6,800 CVS Corp. ...............................................        264,775
 12,773 Home Depot, Inc..........................................      1,060,957
    600 Longs Drug Stores Corp. .................................         17,325
  6,000 Lowe's Companies.........................................        243,375
  1,100 Pep Boys-Manny, Moe & Jack...............................         20,831
  4,500 Rite Aid Corp............................................        169,031
  1,800 Tandy Corp. .............................................         95,512
  5,075 Toys R Us, Inc.(c).......................................        119,580
  8,700 Walgreen Co..............................................        359,419
                                                                    ------------
                                                                       2,581,974
                                                                    ------------
        SECURITIES & ASSET MANAGEMENT--1.4%
  2,000 Bear Stearns Cos.........................................        117,750
  4,750 Charles Schwab Corp......................................        154,375
  4,500 Franklin Resources, Inc..................................        243,000
  1,700 Lehman Brothers Holdings.................................        131,856
  6,000 Merrill Lynch & Company, Inc. ...........................        553,500
 10,499 Morgan Stanley Dean Witter...............................        959,346
                                                                    ------------
                                                                       2,159,827
                                                                    ------------
        SEMI-CONDUCTORS--1.9%
  2,400 Advanced Micro Devices, Inc.(c)..........................         40,950
  6,400 Applied Materials, Inc.(c)...............................        188,800
 29,000 Intel Corp. .............................................      2,149,625
  2,500 LSI Logic Corp.(c).......................................         57,656
  3,700 Micron Technology, Inc.(c)...............................         91,806
  2,800 National Semiconductor Corp.(c)..........................         36,925
  6,800 Texas Instruments, Inc...................................        396,525
                                                                    ------------
                                                                       2,962,287
                                                                    ------------
 

                See accompanying notes to financial statements.
 
                                                                              53
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)               SHORT-TERM INVESTMENT--1.0%

<TABLE>
<CAPTION>
 SHARES                                                              VALUE (A)
 <C>    <S>                                                         <C>
        SERVICES--0.2%
 14,448 Cendant Corp.(c).........................................   $    301,602
  1,400 Ryder Systems, Inc.......................................         44,188
                                                                    ------------
                                                                         345,790
                                                                    ------------
        TELECOMMUNICATION--6.7%
 10,000 AirTouch Communications, Inc.(c).........................        584,375
  3,200 ALLTEL Corp..............................................        148,800
 19,400 Ameritech Corp...........................................        870,575
 28,835 AT&T Corp................................................      1,647,200
 27,552 Bell Atlantic Corp.......................................      1,257,060
 17,600 BellSouth Corp...........................................      1,181,400
  2,800 Frontier Corp............................................         88,200
 17,000 GTE Corp.................................................        945,625
 12,200 MCI Communications Corp..................................        709,125
  4,600 NEXTEL Communications, Inc.(c)...........................        114,425
 32,516 SBC Communications, Inc..................................      1,300,640
  7,700 Sprint Corp..............................................        542,850
  8,792 U.S. West................................................        413,234
 18,000 WorldCom, Inc.(c)........................................        871,875
                                                                    ------------
                                                                      10,675,384
                                                                    ------------
        TOBACCO--1.1%
 43,000 Philip Morris Companies..................................      1,693,125
  3,200 UST, Inc.................................................         86,400
                                                                    ------------
                                                                       1,779,525
                                                                    ------------
        Total Common Stock
         (Identified Cost $82,630,231)...........................    157,883,033
                                                                    ------------
 
 
PREFERRED STOCK--0.0%
 
        CHEMICALS--0.0%
    617 Sealed Air Corp..........................................   $     25,914
                                                                    ------------
        Total Preferred Stock
         (Identified Cost $21,819)...............................   $     25,914
                                                                    ------------
</TABLE>
<TABLE>
<CAPTION>
    FACE
   AMOUNT                                                          VALUE (A)
 <C>        <S>                                                   <C>
 $1,570,000 Repurchase Agreement with State Street Corp. dated
             6/30/98 at 5.00% to be repurchased at $1,570,218,
             on 7/01/98 collateralized by $1,220,000 U.S.
             Treasury Bond 8.125% due 8/15/19 with a value of
             $1,602,570..........................................   $  1,570,000
                                                                   ------------
            Total Short-Term Investment
             (Identified Cost $1,570,000)........................      1,570,000
                                                                    ------------
            Total Investments--100.1%
             (Identified Cost $84,222,050)(b)....................    159,478,947
            Other assets less liabilities........................       (108,663)
                                                                    ------------
            TOTAL NET ASSETS--100%...............................   $159,370,284
                                                                    ============
(a) See Note 1A.
(b) Federal Tax Information:
  At June 30, 1998 the net unrealized appreciation on investments based on cost
  of $84,222,050 for federal income tax purposes was as follows:
   Aggregate gross unrealized appreciation for all investments
    in which there is an excess of value over tax cost............  $ 76,497,442
   Aggregate gross unrealized depreciation for all investments
    in which there is an excess of tax cost over value............    (1,240,543)
                                                                    ------------
   Net unrealized appreciation....................................  $ 75,256,899
                                                                    ============
</TABLE>
(c) Non-income producing security.
 

                See accompanying notes to financial statements.

54
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
                                          
 
<TABLE>
<S>                                                        <C>      <C>
ASSETS
 Investments at value....................................           $159,478,947
 Cash....................................................                    933
 Receivable for:
 Fund shares sold........................................                369,020
 Securities sold.........................................                 25,678
 Dividends and interest..................................                159,308
 Foreign taxes...........................................                  1,141
                                                                    ------------
LIABILITIES                                                          160,035,027
 Payable for:
 Securities purchased....................................  $451,518
 Fund shares redeemed....................................    76,092
 Accrued expenses:
 Management fees.........................................    44,639
 Deferred trustees' fees.................................    62,508
 Other expenses..........................................    29,986
                                                           --------
                                                                         664,743
                                                                    ------------
                                                                    $159,370,284
                                                                    ============
NET ASSETS
 Net Assets consist of:
 Capital paid in.........................................           $ 83,193,469
 Undistributed net investment income..                                   838,145
 Accumulated net realized gains..........................                 81,771
 Unrealized appreciation on investments..................             75,256,899
                                                                    ------------
NET ASSETS...............................................           $159,370,284
                                                                    ============
Computation of offering price:
Net asset value and redemption price per share
 ($159,370,284 divided by 872,406 shares of beneficial
 interest)...............................................           $     182.68
                                                                    ============
Identified cost of investments...........................           $ 84,222,050
                                                                    ============
<CAPTION> 

STATEMENT OF OPERATIONS      
SIX MONTHS ENDED JUNE 30, 1998
(UNAUDITED)                   
<S>                                                      <C>      <C>

INVESTMENT INCOME
 Dividends.............................................           $ 1,062,204(a)
 Interest..............................................                47,406
                                                                  -----------
                                                                    1,109,610
EXPENSES
 Management fees.......................................  $179,584
 Trustees' fees and expenses...........................    17,589
 Custodian.............................................    42,331
 Audit and tax services................................     8,000
 Legal.................................................     1,375
 Printing..............................................    25,059
 Insurance.............................................     2,635
 Miscellaneous.........................................     2,264
                                                         --------
  Total expenses.......................................               278,837
                                                                  -----------
NET INVESTMENT INCOME..................................               830,773
REALIZED AND UNREALIZED GAIN ON INVESTMENTS
 Realized gain on:
 Investments--net......................................               199,214
 Unrealized appreciation on:
 Investments--net......................................            21,515,549
                                                                  -----------
Net gain on investment transactions....................            21,714,763
                                                                  -----------
NET INCREASE IN NET ASSETS FROM OPERATIONS.............           $22,545,536
                                                                  ===========
</TABLE>
 
(a) Net of foreign taxes of: $7,323


                See accompanying notes to financial statements.
 
                                                                              55
<PAGE>
 
NEW ENGLAND ZENITH FUND
(WESTPEAK STOCK INDEX SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 

<TABLE>
<CAPTION>
                                                  YEAR ENDED   SIX MONTHES ENDED
                                                 DECEMBER 31,      JUNE 30,
                                                     1997            1998
                                                 ------------  -----------------
<S>                                              <C>           <C>
FROM OPERATIONS
 Net investment income.........................  $  1,474,760    $    830,773
 Net realized gain on investments..............       327,190         199,214
 Unrealized appreciation on investments........    26,442,859      21,515,549
                                                 ------------    ------------
 INCREASE IN NET ASSETS FROM OPERATIONS........    28,244,809      22,545,536
                                                 ------------    ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income.........................    (1,486,184)              0
 Net realized gain on investments..............      (619,246)              0
                                                 ------------    ------------
                                                   (2,105,430)              0
                                                 ------------    ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares..................    41,747,560      30,298,726
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income......     1,486,184               0
 Distributions from net realized gain..........       619,246               0
                                                 ------------    ------------
                                                   43,852,990      30,298,726
 Cost of shares redeemed.......................   (24,172,689)    (20,057,506)
                                                 ------------    ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL
  SHARE TRANSACTIONS...........................    19,680,301      10,241,220
                                                 ------------    ------------
 TOTAL INCREASE IN NET ASSETS..................    45,819,680      32,786,756
NET ASSETS
 Beginning of the period.......................    80,763,848     126,583,528
                                                 ------------    ------------
 End of the period.............................  $126,583,528    $159,370,284
                                                 ============    ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period.............................  $      7,372    $    838,145
                                                 ============    ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares................       294,863         177,696
 Issued in connection with the reinvestment of:
 Distributions from net investment income......         9,711               0
 Distributions from net realized gain..........         4,056               0
                                                 ------------    ------------
                                                      308,630         177,696
 Redeemed......................................      (171,087)       (117,979)
                                                 ------------    ------------
 Net change....................................       137,543          59,717
                                                 ============    ============
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                  YEAR ENDED DECEMBER 31,               SIX MONTHS ENDED
                          --------------------------------------------      JUNE 30,
                           1993     1994     1995     1996      1997          1998
                          -------  -------  -------  -------  --------  ----------------
<S>                       <C>      <C>      <C>      <C>      <C>       <C>
Net Asset Value,
 Beginning of period....  $ 72.00  $ 76.48  $ 75.35  $100.09  $ 119.62      $ 155.76
                          -------  -------  -------  -------  --------      --------
Income From Investment
 Operations
 Net Investment Income..     1.54     1.80     1.88     1.91      1.86          0.95
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........     5.18    (0.92)   25.89    20.58     36.95         25.97
                          -------  -------  -------  -------  --------      --------
 Total From Investment
  Operations............     6.72     0.88    27.77    22.49     38.81         26.92
                          -------  -------  -------  -------  --------      --------
Less Distributions
 Distributions From Net
  Investment Income.....    (1.36)   (1.82)   (1.85)   (1.93)    (1.86)         0.00
 Distributions in Excess
  of Net Investment
  Income................    (0.18)    0.00     0.00     0.00      0.00          0.00
 Distributions From Net
  Realized Capital
  Gains.................    (0.55)   (0.16)   (1.18)   (1.03)    (0.67)         0.00
 Distributions in Excess
  of Net Realized
  Capital Gains.........    (0.15)    0.00     0.00     0.00     (0.14)         0.00
 Distributions From
  Paid-in Capital.......     0.00    (0.03)    0.00     0.00      0.00          0.00
                          -------  -------  -------  -------  --------      --------
 Total Distributions....    (2.24)   (2.01)   (3.03)   (2.96)    (2.67)         0.00
                          -------  -------  -------  -------  --------      --------
Net Asset Value, End of
 period.................  $ 76.48  $ 75.35  $100.09  $119.62  $ 155.76      $ 182.68
                          =======  =======  =======  =======  ========      ========
TOTAL RETURN (%)........     9.72     1.14    36.88    22.47     32.50         17.28(a)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............     0.34     0.33     0.40     0.40      0.40          0.39(b)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............     2.52     2.59     2.20     1.84      1.41          1.16(b)
Portfolio Turnover Rate
 (%)....................       12        2        5        4         3             1(b)
Net Assets, End of
 period (000)...........  $28,817  $37,164  $58,671  $80,764  $126,584      $159,370
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............       --       --     0.54     0.50      0.43            --
</TABLE>
 
(a) Not computed on an annualized basis.
(b) Computed on an annualized basis.
 

                See accompanying notes to financial statements.

56
<PAGE>
 
LOOMIS SAYLES BALANCED SERIES
PORTFOLIO MANAGERS: TRICIA MILLS, MERI ANNE BECK, JOHN HYLL AND BARR SEGAL
LOOMIS, SAYLES & COMPANY, L.P.
 
[PHOTO OF TRICIA MILLS AND MERI ANNE BECK APPEARS HERE]

[PHOTO OF JOHN HYLL AND BARR SEGAL]

Q. PLEASE TELL US ABOUT THE SERIES' PERFORMANCE DURING THE FIRST HALF OF 1998.
 
A. For the six months ended June 30, 1998, the Loomis Sayles Balanced Series
had a total return of 6.3%, compared to a return of 9.6% for the Lipper Vari-
able Products Balanced Fund Average. Both the stock and bond portions of the
portfolio contributed to the Series' return, which included a $0.93 per share
gain in net asset value.
 
Q. WHAT WAS THE ENVIRONMENT LIKE, AND HOW DID YOU RESPOND?
 
A. As if in defiance of forecasts to the contrary, euphoric U.S. stock markets
achieved sizable gains in the first quarter of 1998, with the Standard &
Poor's 500 Stock Index adding 13% to its stunning increases of the last three
years. In part, this strength grew out of the view that the deep economic cri-
ses that had roiled Asian markets in the last months of 1997 would soon end.
But early in the second quarter, many companies whose fortunes are tied to
Asia began to warn investors of profit shortfalls: For some, the reason was
weak sales in depressed Asian markets; for others it was a matter of falling
prices on competing imported goods. Most stocks fell after these announcements
(notably technology issues), abruptly erasing investors' enthusiasm for the
group earlier in 1998. This combination of weak export conditions and pricing
pressures on U.S. companies began to raise questions about sustained domestic
growth.
 
Q. GIVEN THIS ENVIRONMENT, WHAT WAS YOUR EQUITY STRATEGY DURING THE PERIOD?
 
A. We emphasized sectors that we think can do well even if the economy slows
and those where earnings disappointments seem unlikely. With unemployment low
and more disposable income in their hands, workers are likely to spend more,
heightening the appeal of consumer-related stocks. This sector is currently
one of the economy's strongest, and the stocks appear to offer good value; we
also think this area will be fairly resilient in the event of an economic
downturn. Areas of particular focus included specialty retail and auto-related
companies.
 
We reduced exposure to capital goods stocks, which would be among the first
groups to feel the impact of slowing global growth. However, the Series'
position in basic materials, predominantly specialty chemicals, is
overweighted relative to the S&P 500. We favored niche producers and other
special situations where fundamentals are strong and earnings prospects appear
solid, even in a slower economy.
 
Holdings in two financial sectors were cut back: money center banks with expo-
sure to Southeast Asia and property/casualty insurance companies, where in-
tense rate competition is limiting revenue growth.
 
Q. WHAT WAS THE FIXED-INCOME ENVIRONMENT LIKE, AND HOW DID YOU RESPOND?
 
A. Since last summer, dark economic clouds over the Far East and Russia man-
aged to brighten bond markets in the United States. Worried investors withdrew
from these unstable economies and fled to the quality they saw in the United
States --especially U.S. Treasury obligations. Early in the year, the belief
that conditions in Asia were improving suggested that stronger U.S. export ac-
tivity and inflationary pressure might lead the Federal Reserve Board to raise
interest rates. Domestic interest rates did move higher for a time and bond
prices fell. Later, as it became clear that Asia's problems were far from
over, bond prices rallied and yields fell, driving the yield on the 30-year
Treasury bond to a historic low of 5.57% on June 15.
 
We kept the duration of the Series' bond portfolio--a measure of price sensi-
tivity to interest rate changes--somewhat longer than that of the Lehman
Brothers Government/Corporate Index. This mildly optimistic stance, which re-
flects our expectation of a slow recovery in Asia, aided performance, as did
our overweighting in corporate bonds and underweighting in mortgage-backed se-
curities.
 
 
                                                                             57
<PAGE>
 
The Series benefited from the purchase of Digital Equipment bonds as a result
of the Compaq merger, and of Avalon Securities, a real estate investment
trust, which we sold at a profit. A notable disappointment was SKF, a ball
bearings manufacturer whose sales suffered in Asia.
 
Q. WHAT IS YOUR OUTLOOK FOR THE MONTHS AHEAD?
 
A. Continued turmoil in Asia means cheaper imported goods here, a deflationary
factor that we think will keep U.S. prices in check and earnings under pres-
sure. OPEC's decision to cut production and raise oil prices poses only a
small risk of igniting inflation, in our view.
 

                           [LINE GRAPH APPEARS HERE]

            A $10,000 Investment Compared to the S&P 500 Index /25/
            and Lehman Brothers Government/Corporate Bond Index /3/

Average Annual Total Return

                    Balanced           Lipper Variable Products
                     Series            Balanced Fund Average /7/
  6 months*           6.3%                       9.6%
  1 year             13.8%                      18.2%
  3 years            15.9%                      17.2%
  Since Inception    17.4%                       n/a

* not annualized

  
                   Balanced Series         S&P 500       Lehman Government Corp.
     10/31/94          10,000              10,000                10,000
       Dec-94           9,990               9,794                10,048
       Dec-95          12,467              13,461                11,981
       Dec-96          14,575              16,552                12,328
       Dec-97          16,933              22,055                13,015
      6/30/98          17,993              25,952                14,097


The near-term outlook is positive for the bond markets. The federal govern-
ment, its budget now in surplus, is issuing fewer securities, reducing the
supply of these sought-after issues. In addition, the Federal Reserve Board
seems determined to prevent Asia's crisis from becoming ours, and is thus un-
likely to raise interest rates to avoid stalling economic growth. Indeed, the
next change could well be a cut in rates.
 
While we think demand for equities may flatten, the strength of our economy
and currency should continue to attract investors. As always, we will rely on
Loomis Sayles' extensive research capabilities to invest in securities that
meet our standards for attractive value and growth potential, and allow
industry weightings to emerge from these selections.
 
 
[X]   FUND FACTS
 
GOAL: Reasonable long-term investment return from a combination of long-term
capital appreciation and moderate current income.
START DATE: October 31, 1994
SIZE: $170 million as of June 30, 1998
MANAGERS: Tricia H. Mills, Meri Anne Beck, John Hyll and Barr Segal. Ms. Beck
has managed the fixed-income portion of the Series since its inception in 1994.
Mr. Hyll and Mr. Segal joined the portfolio management team for the fixed income
portion of the Series in 1997. Ms. Mills has managed the equity portion of the
Series since 1997.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
58
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES BALANCED SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--56.6% OF TOTAL NET ASSETS
 
<TABLE>
<CAPTION>
 SHARES                                                              VALUE (A)
 <C>     <S>                                                        <C>
 
         AEROSPACE/DEFENSE--1.9%
  15,600 Northrop Grumman Corp. .................................   $  1,608,750
  27,300 Sundstrand Corp. .......................................      1,562,925
                                                                    ------------
                                                                       3,171,675
                                                                    ------------
         APPAREL & TEXTILES--1.4%
  55,300 Warnaco Group, Inc. ....................................      2,346,794
                                                                    ------------
         AUTO & RELATED--0.5%
  12,400 Magna International, Inc. ..............................        850,950
                                                                    ------------
         BANKS--4.8%
  22,000 BankAmerica Corp. ......................................      1,901,625
  63,000 Charter One Financial, Inc. ............................      2,122,312
  24,200 Fleet Financial Group, Inc. ............................      2,020,700
  54,500 Norwest Corp. ..........................................      2,036,938
                                                                    ------------
                                                                       8,081,575
                                                                    ------------
         BUILDING & RELATED--3.6%
  18,200 Armstrong World Industries, Inc. .......................      1,226,225
  68,800 Leggett & Platt, Inc. ..................................      1,720,000
  35,900 Masco Corp. ............................................      2,171,950
  11,100 Philips Electronics NV (ADR)(d).........................        943,500
                                                                    ------------
                                                                       6,061,675
                                                                    ------------
         CHEMICALS--6.1%
  81,500 Crompton & Knowles Corp. ...............................      2,052,781
  19,600 EI du Pont de Nemours & Co. ............................      1,462,650
  44,000 IMC Global, Inc. .......................................      1,325,500
  24,800 PPG Industries, Inc. ...................................      1,725,150
  66,300 Solutia, Inc. ..........................................      1,901,981
 112,600 W.R. Grace & Co. .......................................      1,921,237
                                                                    ------------
                                                                      10,389,299
                                                                    ------------
         COMPUTERS & BUSINESS EQUIPMENT--2.7%
  32,800 Gateway 2000 Inc. ......................................      1,660,500
  19,700 International Business Machines.........................      2,261,806
  16,900 Sun Microsystems, Inc. .................................        734,094
                                                                    ------------
                                                                       4,656,400
                                                                    ------------
         CONSUMER--JEWELRY/NOVELTIES/GIFTS--1.5%
  49,000 American Greetings Corp. ...............................      2,495,938
                                                                    ------------
         ELECTRIC COMPANIES--1.7%
  43,000 CMS Energy Corp. .......................................      1,892,000
  26,000 Energy East Corp. ......................................      1,082,250
                                                                    ------------
                                                                       2,974,250
                                                                    ------------
         ELECTRONICS--1.5%
  35,600 Raytheon Co.............................................      2,104,850
  10,000 W.W. Grainger, Inc......................................        498,125
                                                                    ------------
                                                                       2,602,975
                                                                    ------------

 
         FINANCIAL SERVICES--2.9%
  42,800 Corrections Corp. of America............................      1,005,800
  42,600 Federal Home Loan Mortgage Corp. .......................      2,004,862
  31,300 Federal National Mortgage Association...................      1,901,475
                                                                    ------------
                                                                       4,912,137
                                                                    ------------
         FREIGHT TRANSPORTATION--2.1%
  65,400 Canadian Pacific, Ltd., New.............................      1,855,725
  27,400 Federal Express Corp. (c)...............................      1,719,350
                                                                    ------------
                                                                       3,575,075
                                                                    ------------
         HEALTH CARE--SERVICES--3.7%
  65,500 Columbia/HCA Healthcare Corp. ..........................      1,907,688
  73,100 Humana, Inc. ...........................................      2,279,806
  28,400 Wellpoint Health Networks, Inc. ........................      2,101,600
                                                                    ------------
                                                                       6,289,094
                                                                    ------------
         INSURANCE--3.3%
  56,000 ACE, Ltd. ..............................................      2,184,000
  22,100 Allstate Corp. .........................................      2,023,531
  22,400 Everest Reinsurance Holdings, Inc. .....................        861,000
  21,700 TIG Holdings, Inc. .....................................        499,100
                                                                    ------------
                                                                       5,567,631
                                                                    ------------
         LEISURE TIME--1.6%
  68,000 Hasbro, Inc. ...........................................      2,673,250
                                                                    ------------
         MACHINERY--1.7%
  18,800 Case Corp. .............................................        907,100
  21,700 Deere & Co. ............................................      1,147,388
  26,900 Dover Corp. ............................................        921,325
                                                                    ------------
                                                                       2,975,813
                                                                    ------------
         MANUFACTURING--DIVERSIFIED--1.1%
  40,400 Allied Signal, Inc. ....................................      1,792,750
                                                                    ------------
         OIL & GAS/EXPLORATION & PRODUCTION--0.4%
  30,420 Ocean Energy, Inc. .....................................        595,091
                                                                    ------------
         OIL & GAS/MAJOR INTEGRATED--2.5%
  11,200 British Petroleum PLC...................................        988,400
  53,100 Tosco Corp. ............................................      1,559,812
  31,200 Royal Dutch Petroleum Co. ..............................      1,710,150
                                                                    ------------
                                                                       4,258,362
                                                                    ------------
         RETAIL SPECIALTY--3.3%
  43,200 Autozone, Inc. .........................................      1,379,700
  74,300 Office Depot............................................      2,345,094
 114,000 Office Max..............................................      1,881,000
                                                                    ------------
                                                                       5,605,794
                                                                    ------------
</TABLE>
 


                See accompanying notes to financial statements.

 
                                                                              59
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES BALANCED SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)

<TABLE>
<CAPTION>
   SHARES                                                            VALUE (A)
 <C>         <S>                                                    <C>
 
             RETAIL--FOOD & DRUG--1.3%
      53,500 Kroger Co.(c).......................................   $  2,293,813
                                                                    ------------
             TELEPHONE--5.0%
      51,400 Ameritech Corp. ....................................      2,306,575
      41,400 Bell Atlantic Corp. ................................      1,888,875
      31,200 BellSouth Corp. ....................................      2,094,300
      57,400 SBC Communications, Inc. ...........................      2,296,000
                                                                    ------------
                                                                       8,585,750
                                                                    ------------
             TOBACCO--0.8%
      51,700 UST, Inc. ..........................................      1,395,900
                                                                    ------------
             WASTE MANAGEMENT--1.2%
      42,200 USA Waste Services, Inc. ...........................      2,083,625
                                                                    ------------
             Total Common Stocks
              (Identified Cost $82,460,728)......................     96,235,616
                                                                    ------------
 
MEDIUM & LONG TERM BONDS & NOTES--39.9%
 
<CAPTION>
    FACE
   AMOUNT
 <C>         <S>                                                    <C>
             AIRLINES--0.4%
 $   600,000 Northwest Airlines,
              8.375%, 03/15/04...................................        618,696
                                                                    ------------
             BANKS--0.8%
   1,280,000 Mellon Bank N.A.,
              7.000%, 03/15/06...................................      1,335,040
      50,000 Norwest Corp., 7.650%, 3/15/05......................         54,087
                                                                    ------------
                                                                       1,389,127
                                                                    ------------
             ENERGY--0.9%
     125,000 Coastal Corp., 8.125% 9/15/02.......................        133,060
   1,230,000 Tosco Corp. 7.625%, 5/15/06.........................      1,316,752
                                                                    ------------
                                                                       1,449,812
                                                                    ------------
             FINANCE--1.1%
     260,000 Dean Witter Discover & Co.,
              6.750%, 1/01/16....................................        266,105
     790,000 Liberty Property, L.P.
              6.950%, 12/01/06...................................        812,304
     280,000 Oasis Residential, Inc.,
              7.000%, 11/15/03...................................        284,953
     520,000 Sears Roebuck Acceptance Corp.,
              6.95% 05/15/02.....................................        534,472
     100,000 Secured Finance, 9.050%, 12/15/04...................        114,942
                                                                    ------------
                                                                       2,012,776
                                                                    ------------
</TABLE>

<TABLE>
<CAPTION>
    FACE
   AMOUNT                                                            VALUE (A)
 <C>         <S>                                                    <C>
 
             U.S. GOVERNMENT--17.7%
 $   800,000 United States Treasury Notes,
              7.250%, 5/15/04....................................   $    868,000
   9,940,000 United States Treasury Notes,
              6.500%, 8/15/05....................................     10,489,781
   3,200,000 United States Treasury Notes,
              5.625%, 2/15/06....................................      3,212,992
   3,720,000 United States Treasury Notes,
              7.000%, 7/15/06....................................      4,062,352
   1,850,000 United States Treasury Notes,
              6.625%, 5/15/07....................................      1,987,011
   5,620,000 United States Treasury Notes,
              6.125%, 8/15/07....................................      5,847,441
     800,000 United States Treasury Notes,
              Zero Coupon, 11/15/09..............................        420,096
   1,300,000 United States Treasury Bonds,
              10.375%, 11/15/12..................................      1,740,778
   1,100,000 United States Treasury Bonds,
              9.125%, 5/15/18....................................      1,539,824
                                                                    ------------
                                                                      30,168,275
                                                                    ------------
             HEALTHCARE--0.3%
     440,000 National Health Investors, Inc.,
              7.300%, 07/16/07...................................        464,662
                                                                    ------------
             INDUSTRIALS--5.7%
   1,325,000 Amerco, Inc., 10.290%, 05/15/03.....................      1,403,983
   1,995,000 Coca Cola Enterprises, Inc.,
              6.750%, 1/15/38....................................      2,012,077
   1,400,000 Federal Express Corp.,
              7.020%, 1/15/22....................................      1,400,000
     535,000 Lowen Group International, Inc.,
              7.750%, 10/15/01...................................        557,395
     260,000 Philips Electronics NV,
              7.250%, 8/15/13....................................        276,076
     670,000 Raytheon Co., 6.300%, 03/15/05......................        672,982
   1,420,000 SKF AB, 7.125%, 07/01/07............................      1,507,529
     700,000 Textron Inc., 6.625, 11/15/07.......................        719,971
     200,000 Tektronix, Inc., 7.625%, 8/15/02....................        208,270
     740,000 USX Marathon, 8.500%, 3/01/23.......................        866,851
                                                                    ------------
                                                                       9,625,134
                                                                    ------------
             LEISURE & LODGING--2.3%
   1,100,000 Carnival Corp., 7.050%, 5/15/05.....................      1,148,510
     300,000 La Quinta Inns, Inc., 7.400%, 9/15/05...............        307,875
   1,180,000 MGM Grand, Inc., 7.750%, 02/06/08...................      1,126,227
     960,000 Royal Caribbean Cruises Line,
              7.000%, 10/15/07...................................        983,098
     760,000 Royal Caribbean Cruises Line,
              7.500%, 10/15/27...................................        794,838
                                                                    ------------
                                                                       4,360,548
                                                                    ------------
</TABLE>
 

                See accompanying notes to financial statements.

 
60
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES BALANCED SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
MEDIUM & LONG TERM BONDS & NOTES--(CONTINUED)
 

<TABLE>
<CAPTION>
    FACE
   AMOUNT                                                           VALUE (A)
 <C>        <S>                                                    <C>
 
            MORTGAGE--5.2%
 $1,360,940 Federal Home Loan Bank,
             6.000%, 12/01/27...................................   $  1,326,916
  2,417,247 Federal Home Loan Bank,
             6.000%, 2/01/13....................................      2,393,824
    620,000 Federal National Mortgage Association,
             6.000%, 2/25/24....................................        599,224
  1,188,002 Federal National Mortgage Association Pool, 6.000%,
             3/01/28............................................      1,156,437
  3,213,694 Federal National Mortgage Association Pool, 6.000%,
             4/01/28............................................      3,128,306
                                                                   ------------
                                                                      8,604,707
                                                                   ------------
            MORTGAGED BACKED--0.7%
  1,076,032 Federal Home Loan Mortgage Association, 6.000%,
             8/15/22............................................      1,029,957
                                                                   ------------
            OIL & GAS--1.6%
  1,040,000 Kerr McGee, 6.625%, 10/15/07........................      1,071,450
  1,650,000 K.N. Energy, Inc., 6.650%, 3/01/05..................      1,680,804
                                                                   ------------
                                                                      2,752,254
                                                                   ------------
            RAILROADS--0.3%
    460,000 Norfolk Southern Corp.,
             7.050%, 05/01/37...................................        492,922
                                                                   ------------
            SECURITIES--1.4%
    225,000 Bankers Trust N.Y. Corp.,
             7.625%, 08/15/05...................................        243,185
  1,040,000 Bear Stearns Cos., Inc.,
             6.750%, 12/15/07...................................      1,065,719
    200,000 Donaldson Lufkin & Jennrette, Inc.,
             6.875%, 11/01/05...................................        205,164
    200,000 Lehman Brothers Holdings, Inc.,
             7.360%, 12/15/03...................................        210,210
    145,000 Salomon, Inc., 7.500%, 2/01/03......................        152,167
    480,000 Salomon, Inc., 7.000%, 3/15/04......................        498,475
                                                                   ------------
                                                                      2,374,920
                                                                   ------------
            TECHNOLOGY--0.5%
    880,000 Dell Computer Corp.,
             6.550%, 04/15/08...................................        880,405
                                                                   ------------
            TELECOMMUNICATIONS--0.9%
    950,000 Sprint Spectrum, L.P.,
             Zero Coupon, 08/15/06..............................        812,250
    680,000 U.S. West Capital Funding, Inc.,
             6.250%, 07/15/05...................................        678,518
                                                                   ------------
                                                                      1,490,768
                                                                   ------------
</TABLE>
 
<TABLE>
<CAPTION>
    FACE
   AMOUNT                                                           VALUE (A)
 <C>         <S>                                                   <C>
 
             TRANSPORTATION--0.1%
 $   100,000 American Airlines,
              10.290%, 03/08/21.................................   $    137,142
      25,000 American Airlines,
              10.180%, 1/02/13..................................         31,779
                                                                   ------------
                                                                        168,921
                                                                   ------------
             Total Bonds & Notes
              (Identified Cost $66,338,273).....................     67,883,884
                                                                   ------------
 
SHORT-TERM INVESTMENTS--5.3%
 
   7,000,000 American Express Credit Corp, 5.950%, 7/01/98......      7,000,000
   2,017,000 Associates Corp. of North America,
              5.950%, 7/01/98...................................      2,017,000
                                                                   ------------
 
             Total Short-term Investments
              (Identified Cost $9,017,000)......................      9,017,000
                                                                   ------------
             Total Investments--101.8%
              (Identified Cost $157,816,001)(b).................    173,136,500
             Other assets less liabilities......................    (3,018,727)
                                                                   ------------
             TOTAL NET ASSETS--100%.............................   $170,117,773
                                                                   ============
 
(a) See Note 1A.
(b) Federal Tax Information:
  At June 30, 1998 the net unrealized appreciation on investments based on
  cost of $157,816,001 for fed income tax purposes was as follows:
   Aggregate gross unrealized appreciation for all investments in
   which there is an excess of value over tax cost...............  $ 17,503,763
   Aggregate gross unrealized depreciation for all investments in
   which there is an excess of tax cost over value...............    (2,183,273)
                                                                   ============
   Net unrealized appreciation...................................  $ 15,320,490
                                                                   ============
</TABLE>
(c) Non-income producing security.
(d) An American Depository Receipt (ADR) is a certificate issued by a U.S.
    bank representing the right to receive securities of the foreign issuer
    described. The values of ADRs are significantly influenced by trading on
    exchanges not not located in the United States or Canada.

                See accompanying notes to financial statements.

 
                                                                             61
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES BALANCED SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
                                          
 

<TABLE>
<S>                                                      <C>        <C>
ASSETS
 Investments at value..................................             $173,136,500
 Cash..................................................                      237
 Receivable for:
 Fund shares sold......................................                  185,467
 Securities sold.......................................                3,685,211
 Dividends and interest................................                1,185,870
 Unamortized organization expense......................                    2,680
                                                                    ------------
                                                                     178,195,965
LIABILITIES
 Payable for:
 Securities purchased..................................  $7,823,549
 Fund shares redeemed..................................      95,831
 Withholding taxes.....................................       2,558
 Accrued expenses:
 Management fees.......................................     121,968
 Deferred trustees' fees...............................       3,548
 Other expenses........................................      30,738
                                                         ----------
                                                                       8,078,192
                                                                    ------------
                                                                    $170,117,773
                                                                    ============
NET ASSETS
 Net Assets consist of:
 Capital paid in.......................................             $149,505,446
 Undistributed net investment income...................                2,112,179
 Accumulated net realized gains........................                3,179,658
 Unrealized appreciation on investments................               15,320,490
                                                                    ------------
NET ASSETS.............................................             $170,117,773
                                                                    ============
Computation of offering price:
Net asset value and redemption price per share
 ($170,117,773 divided by 10,776,787 shares of
 beneficial interest)..................................             $      15.79
                                                                    ============
Identified cost of investments.........................             $157,816,001
                                                                    ============
</TABLE>
<TABLE>
<CAPTION> 

STATEMENT OF OPERATIONS      
SIX MONTHS ENDED JUNE 30, 1998 (UNAUDITED)                   

<S>                                                      <C>       <C>
INVESTMENT INCOME
 Dividends.............................................            $  595,991(a)
 Interest..............................................             2,117,868
                                                                   ----------
                                                                    2,713,859
EXPENSES
 Management fees.......................................  $ 579,930
 Trustees' fees and expenses...........................      8,875
 Custodian.............................................     35,374
 Audit and tax services................................      6,994
 Legal.................................................      1,675
 Printing..............................................     14,478
 Insurance.............................................      2,866
 Amortization of organization expenses.................        997
 Miscellaneous.........................................      2,265
                                                         ---------
  Total expenses.......................................               653,454
                                                                   ----------
NET INVESTMENT INCOME..................................             2,060,405
REALIZED AND UNREALIZED GAIN ON INVESTMENTS
 Realized gain on:
 Investments--net......................................             2,591,887
 Unrealized appreciation on:
 Investments--net......................................             4,200,024
Net gain on investment transactions....................             6,791,911
                                                                   ----------
NET INCREASE IN NET ASSETS FROM OPERATIONS.............            $8,852,316
                                                                   ==========
</TABLE>
(a) Net of foreign taxes of: $6,959.


                See accompanying notes to financial statements.

 
62
<PAGE>
 
NEW ENGLAND ZENITH FUND
(LOOMIS SAYLES BALANCED SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 

<TABLE>
<CAPTION>
                                                   YEAR ENDED   SIX MONTHS ENDED
                                                  DECEMBER 31,      JUNE 30,
                                                      1997            1998
                                                  ------------  ----------------
<S>                                               <C>           <C>
FROM OPERATIONS
 Net investment income..........................  $  2,423,147    $  2,060,405
 Net realized gain on investments...............     5,050,034       2,591,887
 Unrealized appreciation on investments.........     5,612,032       4,200,024
                                                  ------------    ------------
 INCREASE IN NET ASSETS FROM OPERATIONS.........    13,085,213       8,852,316
                                                  ------------    ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income..........................    (2,381,795)              0
 Net realized gain on investments...............    (4,984,089)              0
                                                  ------------    ------------
                                                    (7,365,884)              0
                                                  ------------    ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares...................    86,766,541      43,243,165
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income.......     2,381,795               0
 Distributions from net realized gain...........     4,984,089               0
                                                  ------------    ------------
                                                    94,132,425      43,243,165
 Cost of shares redeemed........................   (20,933,471)    (19,420,834)
                                                  ------------    ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL
  SHARE TRANSACTIONS............................    73,198,954      23,822,331
                                                  ------------    ------------
 TOTAL INCREASE IN NET ASSETS...................    78,918,283      32,674,647
NET ASSETS
 Beginning of the period........................    58,524,843     137,443,126
                                                  ------------    ------------
 End of the period..............................  $137,443,126    $170,117,773
                                                  ============    ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period..............................  $     51,774    $  2,112,179
                                                  ============    ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares.................     5,865,131       2,771,834
 Issued in connection with the reinvestment of:
 Distributions from net investment income.......       161,887               0
 Distributions from net realized gain...........       337,428               0
                                                  ------------    ------------
                                                     6,364,446       2,771,834
 Redeemed.......................................    (1,433,106)     (1,244,831)
                                                  ------------    ------------
 Net change.....................................     4,931,340       1,527,003
                                                  ============    ============
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                          OCTOBER 31, 1994(A)
                                THROUGH        YEAR     YEAR      YEAR    SIX MONTHS ENDED
                             DECEMBER 31,      ENDED    ENDED    ENDED        JUNE 30,
                                 1994          1995     1996      1997          1998
                          ------------------- -------  -------  --------  ----------------
<S>                       <C>                 <C>      <C>      <C>       <C>
Net Asset Value,
 Beginning of period....        $10.00        $  9.94  $ 11.95  $  13.55      $  14.86
                                ------        -------  -------  --------      --------
Income From Investment
 Operations
 Net Investment Income..          0.05           0.26     0.27      0.28          0.19
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........         (0.06)          2.20     1.73      1.90          0.74
                                ------        -------  -------  --------      --------
 Total From Investment
  Operations............         (0.01)          2.46     2.00      2.18          0.93
                                ------        -------  -------  --------      --------
Less Distributions
 Distributions From Net
  Investment Income.....         (0.05)         (0.26)   (0.27)    (0.27)         0.00
 Distributions From Net
  Realized Capital
  Gains.................          0.00          (0.19)   (0.13)    (0.60)         0.00
                                ------        -------  -------  --------      --------
 Total Distributions....         (0.05)         (0.45)   (0.40)    (0.87)         0.00
                                ------        -------  -------  --------      --------
Net Asset Value, End of
 period.................        $ 9.94        $ 11.95  $ 13.55  $  14.86      $  15.79
                                ======        =======  =======  ========      ========
TOTAL RETURN (%)........         (0.10)(b)      24.79    16.91     16.18          6.26(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............          0.85 (c)       0.85     0.85      0.85          0.85(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............          4.16 (c)       4.03     3.08      2.79          2.68(c)
Portfolio Turnover Rate
 (%)....................             0 (c)         72       59        60            69(c)
Net Assets, End of
 period (000)...........        $2,722        $18,823  $58,525  $137,443      $170,118
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............          3.73 (c)       1.85     0.99      0.86            --
</TABLE>
 
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.
 

                See accompanying notes to financial statements.


                                                                              63
<PAGE>
 
BACK BAY ADVISORS MANAGED SERIES
PORTFOLIO MANAGER: PETER W. PALFREY, CFA BACK BAY ADVISORS, L.P.
 
[PHOTO OF PETER W. PALFREY, CFA APPEARS HERE]
 
Q. HOW DID THE SERIES PERFORM DURING THE FIRST HALF OF THE YEAR?
 
A. The Back Bay Advisors Managed Series continued its strong relative and abso-
lute performance during the first half of 1998, returning 12.48% versus 9.73%
for the Lipper Variable Products Flexible Portfolio Fund Average, an
outperformance of 275 basis points. For the 1-year period ended June 30, 1998,
the Series returned 23.14% versus 18.13% for the average of the Lipper catego-
ry, an outperformance of 501 basis points, but in line with an unmanaged com-
posite of 65% of the S&P 500 Index (which returned 30.16% for the last 12
months) and 35% of the Lehman Brothers Government/Corporate Bond Index (which
returned 11.28% for the last 12 months) for a blended return of 23.55% for the
year. The Series was ranked 11th of 87 funds in its peer group of Lipper Vari-
able Products Flexible Portfolio for the past year, and is ranked 6th for the
three year period and 5th for the five year period, each ended June 30, 1998.
 
Q. HOW DID YOU MANAGE THE SERIES DURING THE PAST SIX MONTHS?
 
A. With stock market technicals improving as the impending threat of the Asia
crisis to the U.S. economy diminished (at least in the eyes of U.S. investors),
and with interest rates grinding lower through the first quarter, I allowed the
stock portion of the portfolio to grow to over 68 percent by late March--versus
my neutral benchmark weighting of 65 percent/35 percent stocks-bonds. However,
with stock valuations climbing back above record levels (price to book, price-
/earnings, dividend yield), on the back of declining estimates for year-over-
year corporate earnings growth (now sub-10 percent for the first time since
early 1995), I shaved the equity allocation back to 65 percent at the end of
the first quarter. With market volatility picking up sharply during the second
quarter, as investors attempted to weigh renewed Asia/Russia concerns and lower
corporate earnings estimates against continued strong U.S. consumer demand for
housing, goods and services, I maintained the equity allocation at approxi-
mately 65%, reflecting a neutral stance on stocks versus bonds.
 
Bond returns were on a roller coaster through the first half of 1998, rallying
sharply early in the first quarter on expectations of a sharp slowdown in U.S.
economic growth from the Asia crisis, only to give back part of the gain later
in the quarter as the reach of the Asia crisis seemingly had become more lim-
ited in scope than investors had initially expected. However, continued benign
inflation data, coupled with renewed Asia concerns, pushed interest rates to
new period lows late in the second quarter, rewarding patient bond investors.
This decline in rates, coupled with the growing belief that the Federal Reserve
would remain sidelined at least through the summer months (despite continued
tight U.S. labor markets), allowed investors to push the equity market to new
highs by quarter end, which also helped firm credit spreads in the fixed-income
market. The portfolio remained overweight to the credit sector, particularly to
the cable/media sector and the Yankee sector--two of the best performing fixed-
income sectors during the first half of the year. The portfolio's longer dura-
tion (10 years), as well as its barbell maturity structure, has also allowed
the fixed-income portion of the portfolio to perform satisfactorily versus its
relevant benchmark.
 
Q. WHAT IS YOUR OUTLOOK FOR THE MONTHS AHEAD?
 
A. I expect to maintain the stock portion of the portfolio at approximately 65
percent over the near term--in line with my neutral benchmark weighting of 65
percent/35 percent stocks-bonds--with stock valuations remaining quite full by
most historical measures (price to book, price/earnings, dividend yield), but
off the record levels recorded at the end of the first quarter (given the re-
cent decline in interest rates). While the U.S. domestic economy has continued
to produce very favorable numbers (solid retail sales growth, record new home
sales), coupled with very benign inflation data, global GDP growth is expected
to slow dramatically in 1998-99 from that of 1997 and early 1998. Weaker over-
seas demand for U.S. products, combined with tight U.S. labor markets and the
inability of U.S. corporations to push through price increases, will likely
lead to tighter operating margins (i.e. without substantial productivity
gains). Second quarter earnings remain the next hurdle for investors, with
softness in the export market and increased inventory levels likely to trans-
late to pockets of weakness in reported U.S. corporate earnings. Bond portfolio
duration has been maintained long, given my constructive outlook on interest
rates, with a continued bias towards credit exposure in the domestic and over-
seas markets.
 
64
<PAGE>
 
A $10,000 Investment Compared to the S&P 500/25/ and
Lehman Brothers Government/Corporate Bond Index

                           [LINE GRAPH APPEARS HERE]

Average Annual Total Return

                   Managed Series    Lipper Variable Products Flexible
                                        Portfolio Fund Average/8/

6 months*              12.5%                      9.7%
1 year                 23.1%                     18.1%
3 years                22.5%                     17.9%
5 years                17.1%                     14.0%
10 years               14.4%                     13.3%
Since Inception        13.3%                      n/a

*not annualized

<TABLE> 
<CAPTION> 
                    Zenith Managed                     Leh Gov't/
                        Series         S&P 500           Corp.
                    --------------     -------         --------- 
<S>                 <C>                <C>             <C>   
        12/31/87        10,000          10,000          10,000
        12/31/88        10,948          11,649          10,678
        12/31/89        13,037          15,329          12,041
        12/31/90        13,456          14,852          13,145 
        12/31/91        16,171          19,357          15,068
        12/31/92        17,255          20,830          16,148
        12/31/93        19,092          22,920          17,567
        12/31/94        18,880          23,231          17,228
        12/31/95        24,782          31,931          19,886
        12/31/96        28,508          39,243          20,673
        12/31/97        36,078          52,317          23,994
        06/30/98        40,582          61,562          24,992
</TABLE> 

[X]  FUND FACTS
 
GOAL: A favorable total return through investment in a diversified portfolio.
The Series' portfolio is expected to include a mix of (1) common stocks, (2)
notes and bonds and (3) money market instruments.
START DATE: May 1, 1987
SIZE: $207 million as of June 30, 1998
MANAGER: Peter Palfrey has managed the Series since January 1994 and joined Back
Bay Advisors in 1993. Mr. Palfrey also manages several other fixed income and
separate accounts.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
                                                                             65
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MANAGED SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--65.4% OF TOTAL NET ASSETS
 
       
<TABLE>
<CAPTION>
 SHARES                                                              VALUE (A)
 ------                                                             ------------
 <C>    <S>                                                         <C>
 
        AEROSPACE--0.9%
 11,276 Boeing Co. ..............................................   $    502,487
  5,400 Lockheed Martin Corp. ...................................        571,725
 14,600 Rockwell International Corp. ............................        701,712
                                                                    ------------
                                                                       1,775,924
                                                                    ------------
        AIR TRANSPORTATION--0.4%
  2,900 Delta Air Lines, Inc. ...................................        374,825
 15,150 Southwest Airlines Co. ..................................        448,819
                                                                    ------------
                                                                         823,644
                                                                    ------------
        AUTOMOBILE & RELATED--1.8%
 37,764 Chrysler Corp. ..........................................      2,128,945
 16,900 Ford Motor Co. ..........................................        997,100
  4,500 Goodyear Tire & Rubber Co. ..............................        289,969
  7,200 Paccar, Inc. ............................................        376,200
                                                                    ------------
                                                                       3,792,214
                                                                    ------------
        BANKS--5.7%
 16,704 Banc One Corp. ..........................................        932,292
  9,888 Bank America Corp. ......................................        854,694
 10,600 Bankers Trust New York Corp. ............................      1,230,262
 17,400 Chase Manhattan Corp. New................................      1,313,700
  9,400 Citicorp.................................................      1,402,950
  7,800 First Chicago Corp. .....................................        691,275
 10,900 J.P. Morgan & Co., Inc. .................................      1,276,662
 14,400 Nations Bank Corp. ......................................      1,101,600
 34,200 Norwest Corp. ...........................................      1,278,225
 10,000 Republic NY Corp. .......................................        629,375
  2,800 Wells Fargo & Co. .......................................      1,033,200
                                                                    ------------
                                                                      11,744,235
                                                                    ------------
        BEVERAGES--0.2%
 20,000 Whitman Corp. ...........................................        458,750
                                                                    ------------
        BUSINESS MACHINES--1.5%
 26,838 Compaq Computer Corp. ...................................        761,528
 19,800 International Business Machines Corp. ...................      2,273,287
                                                                    ------------
                                                                       3,034,815
                                                                    ------------
        BUSINESS SERVICES--0.7%
 28,500 Browning Ferris Industries, Inc. ........................        990,375
  9,200 H & R Block, Inc. .......................................        387,550
                                                                    ------------
                                                                       1,377,925
                                                                    ------------
        CHEMICALS--1.7%
 28,400 AlliedSignal, Inc. ......................................      1,260,250
 15,100 E.I. Du Pont de Nemours & Co. ...........................      1,126,837
 11,000 Great Lakes Chemical Corp. ..............................        433,813
  7,800 Pitney Bowes, Inc. ......................................        375,375
  5,100 Union Carbide Corp. .....................................        272,213
                                                                    ------------
                                                                       3,468,488
                                                                    ------------
        COMMUNICATION--5.8%
 15,500 Airtouch Communications, Inc. ...........................   $    905,781
 26,200 Ameritech Corp. .........................................      1,175,725
 39,261 AT & T Co. ..............................................      2,242,785
 22,424 Bell Atlantic Corp. .....................................      1,023,095
 16,200 Bellsouth Corp. .........................................      1,087,425
 10,600 GTE Corp. ...............................................        589,625
 12,800 Harris Corp. ............................................        572,000
 17,668 Lucent Technologies, Inc. ...............................      1,469,757
 11,900 Northern Telecom LTD.....................................        675,325
 28,274 SBC Communications, Inc. ................................      1,130,960
 23,900 US West, Inc. ...........................................      1,123,300
                                                                    ------------
                                                                      11,995,778
                                                                    ------------
        CONGLOMERATES--0.7%
 11,100 Frontier Corp. ..........................................        349,650
 13,800 Minnesota Mining & Manufacturing.........................      1,134,187
                                                                    ------------
                                                                       1,483,837
                                                                    ------------
        CONSTRUCTION--1.2%
 20,100 Home Depot, Inc. ........................................      1,669,556
 14,900 Masco Corp. .............................................        901,450
                                                                    ------------
                                                                       2,571,006
                                                                    ------------
        CONSUMER DURABLES--2.2%
  7,300 Black & Decker Corp. ....................................        445,300
 43,700 General Electric Co. ....................................      3,976,700
    800 Whirlpool Corp. .........................................         55,000
                                                                    ------------
                                                                       4,477,000
                                                                    ------------
        CONTAINERS--0.1%
  6,000 Bemis, Inc. .............................................        245,250
                                                                    ------------
        DATA PROCESSING--2.7%
 23,100 Intel Corp. .............................................      1,712,287
 35,800 Microsoft Corp. .........................................      3,879,825
    150 Oracle Systems Corp. ....................................          3,684
                                                                    ------------
                                                                       5,595,796
                                                                    ------------
        DOMESTIC OIL--1.0%
  4,300 Amerada Hess Corp. ......................................        233,544
  5,600 Amoco Corp. .............................................        233,100
  5,400 Atlantic Richfield Co. ..................................        421,875
  7,200 Halliburton Co. .........................................        320,850
  3,601 Sun, Inc. ...............................................        139,764
  6,200 Tenneco, Inc. ...........................................        235,988
 15,600 Unocal Corp. ............................................        557,700
                                                                    ------------
                                                                       2,142,821
                                                                    ------------
        DRUGS & MEDICINE--5.4%
 17,600 Abbott Laboratories......................................        719,400
 12,800 Bausch & Lomb, Inc. .....................................        641,600
 17,500 Baxter International, Inc. ..............................        941,719
</TABLE>
 
                See accompanying notes to financial statements.

66
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MANAGED SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)
 

<TABLE>
<CAPTION>
 SHARES                                                              VALUE (A)
 ------                                                             ------------
 <C>    <S>                                                         <C>
 
        DRUGS & MEDICINE--(CONTINUED)
  9,600 Becton Dickerson & Co. ..................................   $    745,200
 17,000 C.R. Bard, Inc. .........................................        647,063
 12,600 Corning, Inc. ...........................................        437,850
 15,800 Eli Lilly & Co. .........................................      1,043,787
 11,200 Mallinckrodt, Inc. ......................................        332,500
 19,500 Merck & Co., Inc. .......................................      2,608,125
 20,800 Pfizer, Inc. ............................................      2,260,700
  9,200 Schering Plough Corp. ...................................        842,950
                                                                    ------------
                                                                      11,220,894
                                                                    ------------
        ELECTRONICS--2.2%
 21,400 AMP, Inc. ...............................................        735,625
 18,800 Emerson Electric Co. ....................................      1,135,050
 20,000 Hewlett-Packard..........................................      1,197,500
 15,400 Raytheon Co. ............................................        910,525
 14,400 Tektronix, Inc. .........................................        509,400
                                                                    ------------
                                                                       4,488,100
                                                                    ------------
        ENERGY & UTILITIES--2.4%
 11,700 Consolidated Edison Co. .................................        538,931
 40,200 Edison International.....................................      1,188,412
 45,700 Pacific Gas & Electric Corp. ............................      1,442,406
 10,700 Pepco Energy Co. ........................................        312,306
  7,700 Public Service Enterprise Group..........................        265,169
  8,900 Texas Utilities Co. .....................................        370,463
 21,200 Unicom Corp. ............................................        743,325
                                                                    ------------
                                                                       4,861,012
                                                                    ------------
        ENERGY RAW MATERIALS--0.4%
 27,200 Occidental Petroleum Corp. ..............................        734,400
                                                                    ------------
        FINANCE--2.5%
 10,400 American Express Co. ....................................      1,185,600
  4,429 Associates First Capital Corp. ..........................        340,479
 21,800 Federal Home Loan Mortgage Corp. ........................      1,025,962
 21,400 Federal National Mortgage Association....................      1,300,050
 14,508 Morgan Stanley, Dean Witter..............................      1,325,669
                                                                    ------------
                                                                       5,177,760
                                                                    ------------
        FOOD & AGRICULTURE--3.5%
 36,900 Coca Cola Co. ...........................................      3,154,950
 20,450 H. J. Heinz Co. .........................................      1,147,756
 30,700 PepsiCo, Inc. ...........................................      1,264,456
 16,000 Sara Lee Corp. ..........................................        895,000
 15,200 Supervalue, Inc. ........................................        674,500
                                                                    ------------
                                                                       7,136,662
                                                                    ------------
        GAS UTILITIES--0.3%
 14,200 Eastern Enterprises......................................        608,825
                                                                    ------------
        GOLD--0.1%
  8,900 Barrick Gold Corp. ......................................        170,769
                                                                    ------------
        INSURANCE--2.8%
 11,500 Aetna Life & Casualty Co. ...............................   $    875,438
 10,568 Allstate Corp. ..........................................        967,632
 14,400 American General Corp. ..................................      1,025,100
  9,702 American International Group, Inc. ......................      1,416,492
  8,100 CIGNA Corp. .............................................        558,900
  4,600 Loews Corp. .............................................        400,775
  8,444 Travelers Group, Inc. ...................................        511,918
                                                                    ------------
                                                                       5,756,255
                                                                    ------------
        INTERNATIONAL OIL--3.2%
 38,400 Exxon Corp. .............................................      2,738,400
 15,600 Mobil Corp. .............................................      1,195,350
 39,200 Royal Dutch Petroleum Co. (ADR)(f).......................      2,148,650
  9,600 Texaco, Inc. ............................................        573,000
                                                                    ------------
                                                                       6,655,400
                                                                    ------------
        LEISURE--0.2%
 17,000 Brunswick Corp. .........................................        420,750
                                                                    ------------
        LIQUOR--0.4%
  6,600 Anheuser-Busch Companies, Inc. ..........................        311,438
 11,700 Seagram, Ltd. ...........................................        478,969
                                                                    ------------
                                                                         790,407
                                                                    ------------
        MEDIA--1.6%
 13,400 Cisco Systems, Inc. .....................................      1,233,637
  6,000 Gannett Company, Inc. ...................................        426,375
 15,200 Tele-Communications, Inc. ...............................        584,250
 13,200 Time Warner, Inc. .......................................      1,127,775
                                                                    ------------
                                                                       3,372,037
                                                                    ------------
        MISCELLANEOUS--1.1%
  8,000 American Greetings Corp. ................................        407,500
 10,000 Cognizant Corp. .........................................        630,000
 10,900 EG & G, Inc. ............................................        327,000
  9,000 Hussmann International, Inc. ............................        167,063
  4,400 Nacco Industries, Inc. ..................................        568,700
  7,926 Newmont Mining Corp. ....................................        187,252
  2,750 Octel Corp. .............................................         54,656
                                                                    ------------
                                                                       2,342,171
                                                                    ------------
        NON-FERROUS METALS--0.4%
 14,000 Aluminum Company of America..............................        923,125
                                                                    ------------
        OFFICE EQUIPMENT--1.2%
 24,000 Xerox Corp. .............................................      2,439,000
                                                                    ------------
        OPTICAL PHOTO EQUIPMENT--0.1%
  3,600 Eastman Kodak Co. .......................................        263,025
                                                                    ------------
        PAPER & FOREST PRODUCTS--0.8%
  3,300 Burlington Northern Santa Fe.............................        324,019
  3,600 Georgia-Pacific Corp. ...................................        212,175
</TABLE>
 
                See accompanying notes to financial statements.

                                                                              67
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MANAGED SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
COMMON STOCKS--(CONTINUED)                
 

<TABLE>
<CAPTION>
 
 SHARES                                                              VALUE (A)
 ------                                                             ------------
 <C>    <S>                                                         <C>
 
        PAPER & FOREST PRODUCTS--(CONTINUED)
 19,000 Kimberly Clark Corp. ....................................   $    871,625
  8,400 Westvaco Corp. ..........................................        237,300
                                                                    ------------
                                                                       1,645,119
                                                                    ------------
        POLLUTION CONTROL--0.2%
  9,500 Waste Management, Inc. ..................................        332,500
                                                                    ------------
        PRODUCER OF GOODS--0.2%
 21,200 Cincinnati Milacron, Inc. ...............................        515,425
                                                                    ------------
        PUBLISHING--0.3%
 12,000 Knight Ridder, Inc. .....................................        660,750
                                                                    ------------
        RAILROADS & SHIPPING--0.3%
  5,100 CSX Corp. ...............................................        232,050
 13,500 Norfolk Southern Corp. ..................................        402,469
                                                                    ------------
                                                                         634,519
                                                                    ------------
        RESTAURANTS--0.0%
  3,070 Tricon Global Restaurants, Inc. .........................         97,281
                                                                    ------------
        RETAIL--3.6%
 19,000 Albertsons, Inc. ........................................        984,438
  5,000 J. C. Penney, Inc. ......................................        361,563
 38,900 Kmart Corp.(c)...........................................        748,825
 26,400 Mattel Inc. .............................................      1,117,050
  7,800 May Department Stores Co. ...............................        510,900
 10,000 Mercantile Stores, Inc. .................................        789,375
 11,600 Nike Inc. ...............................................        564,775
 11,400 Sears Roebuck & Co. .....................................        696,113
 28,100 Wal-Mart Stores, Inc. ...................................      1,707,075
                                                                    ------------
                                                                       7,480,114
                                                                    ------------
        SOAPS & COSMETICS--4.0%
 17,000 Alberto Culver Co. ......................................        493,000
  3,900 Avon Products, Inc. .....................................        302,250
 19,620 Bristol-Myers Squibb Co. ................................      2,255,074
  3,800 Clorox Co. ..............................................        362,425
 18,000 Gillette Co. ............................................      1,020,375
 26,100 Johnson & Johnson........................................      1,924,875
 20,600 Procter & Gamble Co. ....................................      1,875,887
                                                                    ------------
                                                                       8,233,886
                                                                    ------------
        STEEL--0.1%
  7,720 USX-US Steel Group.......................................        254,760
                                                                    ------------
        TOBACCO--0.8%
 40,800 Philip Morris Companies, Inc. ...........................      1,606,500
                                                                    ------------
        TRAVEL & RECREATION--0.7%
 13,235 Walt Disney Co. .........................................      1,390,502
                                                                    ------------
        Total Common Stock
         (Identified cost $66,884,125)...........................    135,199,431
                                                                    ------------
</TABLE>

<TABLE>
<CAPTION>

BOND & NOTES -- 33.3%

    FACE
   AMOUNT                                                            VALUE (A)
   ------                                                           ------------
 <C>         <S>                                                    <C>
 
             CORPORATE BONDS--14.4%
 $ 3,000,000 CSC Holdings, Inc. 7.875%, 1/30/17..................   $  3,157,260
   2,000,000 CSC Holdings, Inc. 7.875%, 2/15/18..................      2,120,000
   6,000,000 Comcast Cable Communications, 8.500%, 5/01/27.......      6,797,940
   2,000,000 Comcast Cellular Holding, Inc,
              9.500%, 5/01/07, 144A(e)...........................      2,075,000
     700,000 Freeport Term Malta, 144A(e)........................        717,255
   2,000,000 MCI Communications Corp.
              7.125%, 6/15/27....................................      2,125,840
   4,525,000 News America Holdings Inc.,
              10.125%, 10/15/12..................................      5,277,915
   2,750,000 Norfolk Southern Corp.,
              7.050%, 5/01/37....................................      2,946,818
   3,000,000 TCA Cable TV, Inc.,
              6.530%, 2/01/28....................................      2,999,790
   2,000,000 Total Access Communication,
              8.375%, 11/04/06...................................      1,505,340
      30,000 Viacom, Inc., 8.000%, 7/07/06.......................         30,975
                                                                    ------------
                                                                      29,754,133
                                                                    ------------
             FOREIGN--9.8%
   4,000,000 Government of Canada,
              10.250%, 3/15/14(d)................................      4,084,673
   5,000,000 Government of Canada,
              Zero Coupon, 3/15/21(d)............................        963,270
  15,000,000 Government of Canada,
              Zero Coupon, 6/01/25(d)............................      2,349,563
   3,000,000 Province of Ontario,
              8.100%, 9/08/23(d).................................      2,652,305
  30,000,000 Province of Ontario,
              Zero Coupon, 09/08/23(d)...........................      4,668,547
  15,000,000 Province of Quebec Stripped,
              Zero Coupon, 1/16/23(d)............................      2,335,293
   3,600,000 Province of Quebec,
              8.500%, 04/01/26(d)................................      3,272,060
                                                                    ------------
                                                                      20,325,711
                                                                    ------------
             YANKEE--8.8%
   2,000,000 Petroleos Mexicanos,
              9.500%, 9/15/27....................................      1,945,540
     925,000 Pindo Deli Fin Mauritius,
              10.750%, 10/01/07, 144A(e).........................        642,875
   6,000,000 Republic of Argentina,
              11.375%, 1/30/17...................................      6,390,000
   5,000,000 Republic of Colombia
              7.625%, 2/15/07....................................      4,513,200
   4,958,000 Republic of Panama,
              8.875%, 9/30/27, 144A(e)...........................      4,660,520
                                                                    ------------
                                                                      18,152,135
                                                                    ------------
</TABLE>
 

                See accompanying notes to financial statements.

68
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MANAGED SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
BONDS & NOTES--(CONTINUED)
 

<TABLE>
<CAPTION>
    FACE
   AMOUNT                                                           VALUE (A)
   ------                                                          ------------
 <C>         <S>                                                   <C>
 
             U.S. GOVERNMENT AGENCY
              BONDS--0.3%
 $   247,413 Government National Mortgage Association, 10.000%,
              9/15/18...........................................   $    271,474
     318,525 Government National Mortgage Association, 11.500%
              with various maturities to 2013...................        358,872
                                                                   ------------
                                                                        630,346
                                                                   ------------
             Total Bonds & Notes
              (Identified Cost $65,679,655).....................     68,862,325
                                                                   ------------
 
SHORT-TERM INVESTMENT--0.7%
 
   1,390,000 Household Finance Corp.,
              6.000%, 7/01/98...................................      1,390,000
                                                                   ------------
             Short-Term Investments
              (Identified Cost $1,390,000)......................      1,390,000
                                                                   ------------
             Total Investments--99.4%
              (Identified Cost $133,953,780)(b).................    205,451,756
             Other assets less liabilities......................      1,313,348
                                                                   ------------
             TOTAL NET ASSETS--100%.............................   $206,765,104
                                                                   ============
</TABLE>
 
(a) See Note 1A.
(b) Federal Tax Information:
    At June 30, 1998 the net unrealized appreciation on investments based on
    cost of $133,953,780 for federal income tax purposes was as follows:

     Aggregate gross unrealized appreciation for all investments
      in which there is an excess of value over tax cost.......... $73,699,704

     Aggregate gross unrealized depreciation for all investments
      in which there is an excess of tax cost over value..........  (2,201,728)
                                                                   -----------
     Net unrealized appreciation.................................. $71,497,976
                                                                   ===========
(c) Non-income producing security.
(d) Denominated in Canadian Dollars.
(e) Securities exempt from registration under Rule 144A of the Securities Act
    of 1933. These securities may be resold in transactions exempt from
    registration, normally to qualified institutional buyers. At the period
    end, the value of these securities amounted to $8,095,650 or 3.9% of total
    net assets.
(f) An American Depository Receipt (ADR) is a certificate issued by a U.S.
    bank representing the right to receive securities of the foreign issuer
    described. The values of ADRs are significantly influenced by trading on
    exchanges not located in the United States or Canada.
 
                See accompanying notes to financial statements.


                                                                             69
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MANAGED SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
                                          
 

<TABLE>
<S>                                                         <C>     <C>
ASSETS
 Investments at value.....................................          $205,451,756
 Cash.....................................................                   323
 Receivable for:
 Fund shares sold.........................................                49,069
 Dividends and interest...................................             1,477,970
 Foreign taxes............................................                   632
                                                                    ------------
                                                                     206,979,750
LIABILITIES
 Payable for:
 Fund shares redeemed.....................................  $46,830
 Accrued expenses:
 Management fees..........................................   84,066
 Deferred trustees' fees..................................   50,446
 Other expenses...........................................   33,304
                                                            -------
                                                                         214,646
                                                                    ------------
                                                                    $206,765,104
                                                                    ============
NET ASSETS
 Net Assets consist of:
 Capital paid in..........................................          $123,282,744
 Undistributed net investment income......................             3,132,851
 Accumulated net realized gains...........................             8,855,190
 Unrealized appreciation on investments and foreign
  currency................................................            71,494,319
                                                                    ------------
NET ASSETS................................................          $206,765,104
                                                                    ============
Computation of offering price:
Net asset value and redemption price per share
 ($206,765,104 divided by 968,218 shares of beneficial
 interest)................................................          $     213.55
                                                                    ============
Identified cost of investments............................          $133,953,780
                                                                    ============
</TABLE>


STATEMENT OF OPERATIONS       
SIX MONTHS ENDED JUNE 30, 1998
(UNAUDITED)                    

<TABLE> 
<CAPTION> 

INVESTMENT INCOME
<S>                                                  <C>          <C> 
 Dividends.........................................               $ 1,118,484(a)
 Interest..........................................                 2,606,857
                                                                  -----------
                                                                    3,725,341
EXPENSES
 Management fees...................................  $   499,478
 Trustees' fees and expenses.......................       15,394
 Custodian.........................................       47,356
 Audit and tax services............................        6,500
 Legal.............................................        3,457
 Printing..........................................       19,953
 Insurance.........................................        3,553
 Miscellaneous.....................................        2,265
                                                     -----------
  Total expenses...................................                   597,956
                                                                  -----------
NET INVESTMENT INCOME..............................                 3,127,385
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS
 AND FOREIGN CURRENCY TRANSACTIONS
 Realized gain (loss) on:
 Investments--net..................................    4,251,755
 Foreign currency transactions--net................      (20,747)
                                                     -----------
  Total realized gain on investments and foreign
   currency transactions...........................    4,231,008
                                                     -----------
 Unrealized appreciation (depreciation) on:
 Investments--net..................................   16,047,241
 Foreign currency transactions--net................         (565)
                                                     -----------
  Total unrealized appreciation on investments and
   foreign currency transactions...................   16,046,676
                                                     -----------
Net gain on investment transactions................                20,277,684
                                                                  -----------
NET INCREASE IN NET ASSETS FROM OPERATIONS.........               $23,405,069
                                                                  ===========
</TABLE>
 
(a) Net of foreign taxes of: $6,375.
 

                See accompanying notes to financial statements. 

70
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MANAGED SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)

<TABLE>
<CAPTION>
                                                   YEAR ENDED   SIX MONTHS ENDED
                                                  DECEMBER 31,      JUNE 30,
                                                      1997            1998
                                                  ------------  ----------------
<S>                                               <C>           <C>
FROM OPERATIONS
 Net investment income..........................  $  5,630,618    $  3,127,385
 Net realized gain on investments and foreign
  currency transactions.........................    21,058,248       4,231,008
 Unrealized appreciation on investments and
  foreign currency transactions.................    14,235,222      16,046,676
                                                  ------------    ------------
 INCREASE IN NET ASSETS FROM OPERATIONS.........    40,924,088      23,405,069
                                                  ------------    ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income..........................    (5,622,790)              0
 Net realized gain on investments...............   (16,617,273)              0
                                                  ------------    ------------
                                                   (22,240,063)              0
                                                  ------------    ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares...................    22,338,847      12,362,251
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income.......     5,622,790               0
 Distributions from net realized gain...........    16,617,273               0
                                                  ------------    ------------
                                                    44,578,910      12,362,251
 Cost of shares redeemed........................   (35,368,662)    (17,784,917)
                                                  ------------    ------------
 INCREASE (DECREASE) IN NET ASSETS DERIVED FROM
  CAPITAL SHARE TRANSACTIONS....................     9,210,248      (5,422,666)
                                                  ------------    ------------
 TOTAL INCREASE IN NET ASSETS...................    27,894,273      17,982,403
NET ASSETS
 Beginning of the period........................   160,888,428     188,782,701
                                                  ------------    ------------
 End of the period..............................  $188,782,701    $206,765,104
                                                  ============    ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period..............................  $      5,466    $  3,132,851
                                                  ============    ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares.................       115,122          60,659
 Issued in connection with the reinvestment of:
 Distributions from net investment income.......        30,044               0
 Distributions from net realized gain...........        88,778               0
                                                  ------------    ------------
                                                       233,944          60,659
 Redeemed.......................................      (183,956)        (86,799)
                                                  ------------    ------------
 Net change.....................................        49,988         (26,140)
                                                  ============    ============
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                      YEAR ENDED DECEMBER 31,               SIX MONTHS ENDED
                          ------------------------------------------------      JUNE 30,
                            1993      1994      1995      1996      1997          1998
                          --------  --------  --------  --------  --------  ----------------
<S>                       <C>       <C>       <C>       <C>       <C>       <C>
Net Asset Value,
 Beginning of period....  $ 130.26  $ 137.18  $ 130.30  $ 163.52  $ 170.37      $ 189.85
                          --------  --------  --------  --------  --------      --------
Income From Investment
 Operations
 Net Investment Income..      4.35      5.42      6.34      6.43      6.38          3.23
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........      9.58     (6.92)    34.33     18.21     38.47         20.47
                          --------  --------  --------  --------  --------      --------
 Total From Investment
  Operations............     13.93     (1.50)    40.67     24.64     44.85         23.70
                          --------  --------  --------  --------  --------      --------
Less Distributions
 Distributions From Net
  Investment Income.....     (4.36)    (5.38)    (6.34)    (6.34)    (6.42)         0.00
 Distributions in Excess
  of Net Investment
  Income................      0.00      0.00     (0.23)     0.00      0.00          0.00
 Distributions From Net
  Realized Capital
  Gains.................     (2.65)     0.00     (0.88)   (11.45)   (18.95)         0.00
                          --------  --------  --------  --------  --------      --------
 Total Distributions....     (7.01)    (5.38)    (7.45)   (17.79)   (25.37)         0.00
                          --------  --------  --------  --------  --------      --------
Net Asset Value, End of
 period.................  $ 137.18  $ 130.30  $ 163.52  $ 170.37  $ 189.85      $ 213.55
                          ========  ========  ========  ========  ========      ========
TOTAL RETURN (%)........     10.65     (1.11)    31.26     15.01     26.56         12.48(a)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............      0.53      0.54      0.64      0.62      0.61          0.60(b)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............      3.65      3.98      4.06      3.64      3.20          3.13(b)
Portfolio Turnover Rate
 (%)....................        22        76        51        72        65            18(b)
Net Assets, End of
 period (000)...........  $121,339  $121,877  $147,536  $160,888  $188,783      $206,765
</TABLE>
 
(a) Not computed on an annualized basis.
(b) Computed on an annualized basis.
 
                See accompanying notes to financial statements.

                                                                              71
<PAGE>
 
SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES
PORTFOLIO MANAGERS: ROGER LAVAN, PETER WILBY AND DAVID SCOTT
SALOMON BROTHERS ASSET MANAGEMENT INC

[PHOTO OF ROGER LAVAN AND PETER WILBY APPEAR HERE]

[PHOTO OF DAVID SCOTT APPEARS HERE]
 
Q. HOW DID THE SERIES PERFORM DURING THE FIRST HALF OF THE YEAR?
 
A. For the six months ended June 30, 1998, the Salomon Brothers Strategic Bond
Opportunities Series posted a 2.8% return versus a 3.9% return for the Lehman
Brothers Aggregate Bond Index and a 3.6% return for the Lipper Variable Prod-
ucts General Bond Fund Average. The underperformance is attributable to the Se-
ries' position in the emerging markets debt and high yield sectors.
 
Q. HOW DID YOU MANAGE THE SERIES DURING THE FIRST HALF OF THE YEAR?
 
A. For the first six months of 1998, the performance of the U.S. economy ex-
ceeded expectations. Low long-term interest rates, abundant money supply growth
and new highs in the equity markets contributed to the healthy economic perfor-
mance. In addition, investors concerned about developments in Asia flocked to
the U.S. Treasury market as a "safe haven." As a result, the long bond reached
its lowest yield, 5.57%, since the U.S. Government began regular sales of secu-
rities in 1977. The yield curve flattened, with spreads between the two year
and 30 year bond tightening to 15 basis points at June 30, 1998. Investment
grade bonds were the winner in the first half of 1998 supported by the strong
performance of Treasuries and mortgage backed securities.
 
During the first half, all major credit-sensitive fixed-income sectors experi-
enced heightened volatility. The emerging markets debt sector, which rallied in
the first quarter based on an optimistic outlook for reforms in Asia, gave up
its gains as attempts to implement reforms met some resistance. Events that un-
folded in Russia, India and Pakistan in the second quarter compounded existing
challenges in Southeast Asia. Moreover, Japan's economic and banking system
problems became more prominent and led to a weakening of the Japanese yen ver-
sus the U.S. dollar. In addition to Asian economic problems, the markets had to
endure a crisis of confidence in Russia. Russia raised interest rates on over-
night money to 150% at one point in order to fund its liabilities. The problems
in Russia led to a sector-wide sell-off of emerging markets debt.
 
In the emerging markets debt sector, the Series lightened up on Russian expo-
sure and added to Bulgaria and Peru. Mexico and Argentina continue to be core
holdings as their fundamentals remain strong.
 
The Salomon Brothers High Yield Market Index/24/ posted a 5.1% return over
the six months ended June 30; however, the second quarter was volatile. Corpo-
rations issued record levels of debt to take advantage of low interest rates.
This pressured the market, and as a result yield spreads to comparable Treasur-
ies rose to about 380 basis points, about 100 basis points higher than the lows
set in August of last year. The Series was not deterred by the technically in-
duced spread widening and maintained its weightings to the high yield sector.
In addition, we maintained the Series' high standards for credit quality even
as a lot of the new deals coming to market had weaker underlying fundamentals.
The Series continues to seek opportunities to upgrade credit quality. We remain
positive on the high yield sector.
 
Q. WHAT IS YOUR OUTLOOK FOR THE MONTHS AHEAD?
 
A. We believe that the Federal Reserve Board is firmly on hold for the time be-
ing supported by few signs of inflation and a persistent crisis in Asia. Our
strategy for the Series is to continue to allocate to higher yielding sectors,
which we believe over time will provide superior returns. At June 30, 1998, the
Series had the following allocation: U.S. investment grade (40%), high yield
(32%), emerging markets debt (15%), non-dollar government bonds (8%) and short-
term investments (5%).
 
72
<PAGE>
 

A $10,000 Investment Compared to the Lehman Brothers Aggregate Bond Index/2/

                           [LINE GRAPH APPEARS HERE]

Average Annual Total Return
             Strategic Bond                 Lipper Variable Products
          Opportunities Series            General Bond Fund Average/9/

6 months*           2.8%                               3.6%
1 year              8.7%                               9.3%
3 years            11.6%                               9.1%
Since Inception    12.5%                               n/a

* not annualized 

                          [LINE GRAPH APPEARS HERE]

                                                        Strategic Bond
                       Lehman Aggregate Bond         Opportunities Series
        10/31/94               10,000                        10,000
          Dec-94               10,047                         9,860
          Dec-95               11,903                        11,771
          Dec-96               12,335                        13,461
          Dec-97               13,529                        14,952
         6/30/98               14,059                        15,375

 
[X]    FUND FACTS
 
GOAL:  A high level of total return consistent with the preservation of capital.

START DATE: October 31, 1994

SIZE: $89 million as of June 30, 1998

MANAGERS: Peter Wilby and David Scott have managed the Series since its
inception in October 1994. Mr. Lavan began co-managing the Series in June 1998.
Mr. Wilby and Mr. Scott also have managed the Salomon Brothers Investment 
Series--Strategic Bond Fund since March 1995. Mr. Wilby has also managed the
Salomon Brothers Investment Series--High Yield Bond Fund since March 1995.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life insurance
contracts; if these charges were included, the returns shown would be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.

                                                                              73
<PAGE>
 
NEW ENGLAND ZENITH FUND
SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
BONDS & NOTES--93.2% OF TOTAL NET ASSETS
 

<TABLE>
<CAPTION>
     FACE
    AMOUNT                                                           VALUE (A)
 <C>           <S>                                                  <C>
 
               APPAREL & TEXTILES--0.6%
 $     250,000 Collins & Aikman Floorcovering 10.000%, 1/15/07...   $   261,250
       250,000 Synthetic Industries, Inc.
                9.250%, 2/15/07..................................       258,750
                                                                    -----------
                                                                        520,000
                                                                    -----------
               AUTOMOTIVE & RELATED--0.9%
       300,000 Dana Corp. 6.500%, 3/15/08........................       302,751
       200,000 Foamex L.P/Foamex Capital Corp. 9.875%, 6/15/07...       217,000
       250,000 Key Plastic, Inc.
                10.250%, 3/15/07.................................       259,375
                                                                    -----------
                                                                        779,126
                                                                    -----------
               BANKS--0.3%
       415,000 Malayan Banking Berhad
                7.125%, 9/15/05..................................       307,403
                                                                    -----------
               CABLE & OTHER MEDIA--3.1%
       250,000 Adelphia Communications Series 10.500%, 7/15/04...       273,750
       150,000 American Media Operations 11.625%, 11/15/04.......       162,000
       500,000 Century Communications
                Zero Coupon, 1/15/08.............................       226,875
       150,000 CSC Holdings, Inc.
                10.500%, 5/15/16.................................       176,052
       150,000 Diamond Cable Communication, 0/11.750%,
                12/15/05(c)......................................       124,500
       250,000 Falcon Holdings Group 144A, 8.375%, 4/15/10(d)....       251,250
       250,000 Fox Family Worldwide, Inc. 0/10.250%, 11/01/07(c).       161,563
       200,000 Jacor Communications Co.
                9.750%, 12/15/06.................................       218,500
       500,000 LIN Holdings Corp. 144A, 0/10.000%, 3/01/08(c)(d).       335,625
       250,000 Marcus Cable Co.
                14.250%, 12/15/05................................       233,438
       150,000 Rogers Cablesystems, Ltd., Series B 10.000%,
                3/15/05..........................................       166,500
       150,000 SFX Broadcasting, Inc.
                10.750%, 5/15/06.................................       166,875
       400,000 United International Holdings, Series B 0/10.750%,
                2/15/08(c).......................................       247,000
                                                                    -----------
                                                                      2,743,928
                                                                    -----------
               CAPITAL GOODS/BUILDING PRODUCTS--3.3%
       150,000 Alvey Systems, Inc.,
                11.375%, 1/31/03.................................       156,750
       250,000 EnviroSource, Inc.
                9.750%, 6/15/03..................................   $   252,500
       250,000 High Voltage Engineering Corp. 10.500%, 8/15/04...       259,375
       250,000 Insilco Corp. 10.250%, 8/15/07....................       262,188
       250,000 International Knife & Saw
                11.375%, 11/15/06................................       268,125
       100,000 Jordan Industries, Inc., Series B 10.375%,
                8/01/07..........................................       102,750
       250,000 Jordan Industries, Inc., Series B 9.875%, 8/01/07.       152,500
       250,000 Motors & Gears, Inc., Series D 10.750%, 11/15/06..       269,375
       250,000 Nortek, Inc., Series B
                9.125%, 9/01/07..................................       255,625
       250,000 Packard Biosciences, Inc.
                9.375%, 3/01/07..................................       244,375
       250,000 Polymer Group, Inc., Series B 9.000%, 7/01/07.....       255,000
       500,000 Praxair, Inc. 6.150%, 4/15/03.....................       499,940
                                                                    -----------
                                                                      2,978,503
                                                                    -----------
               CHEMICALS--0.3%
       250,000 Texas Petrochemicals Corp. 11.125%, 7/01/06.......       274,688
                                                                    -----------
               COMPUTER SOFTWARE & SERVICES--0.5%
       200,000 DecisionOne Corp.
                9.750%, 8/01/07..................................       191,750
       250,000 Unisys Corp. 7.875%, 4/01/08......................       250,938
                                                                    -----------
                                                                        442,688
                                                                    -----------
               CONSUMER PRODUCTS--2.1%
       250,000 American Safety Razor
                9.875%, 8/01/05..................................       269,688
       300,000 Ekco Group, Inc., Series B
                9.250%, 4/01/06..................................       311,250
       150,000 Hines Horticulture, Inc.
                11.750%, 10/15/05................................       165,375
       200,000 International Semi-Tech. 0/11.500%, 8/15/03(c)....        60,250
       250,000 Moll Industries, Inc. 144A, 10.500%, 7/01/08(d)...       255,000
       250,000 North Atlantic Trading, Inc. 11.000%, 6/15/04.....       250,000
       250,000 Riddell Sports, Inc.
                10.500%, 7/15/07.................................       261,875
       150,000 Selmer Company, Inc.
                11.000%, 5/15/05.................................       163,500
       150,000 Shop-Vac Corp.
                10.625%, 9/01/03.................................       164,625
                                                                    -----------
                                                                      1,901,563
                                                                    -----------
</TABLE>
 
                See accompanying notes to financial statements.

74
<PAGE>
 
NEW ENGLAND ZENITH FUND
SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
BONDS & NOTES--(CONTINUED)
 

<TABLE>
<CAPTION>
     FACE
    AMOUNT                                                           VALUE (A)
 <C>           <S>                                                  <C>
 
               COSMETICS & TOILETRIES--0.6%
 $     250,000 French Fragrances, Inc.
                10.375%, 5/15/07.................................   $   267,500
       350,000 Revlon Worldwide Corp., Series B Zero Coupon,
                3/15/01..........................................       271,688
                                                                    -----------
                                                                        539,188
                                                                    -----------
               DEFENSE & AEROSPACE--1.1%
       250,000 BE Aerospace, Series B 8.000%, 3/01/08............       250,000
       250,000 Burke Industries, Inc.
                10.000%, 8/15/07.................................       253,750
       200,000 Raytheon Co. 5.950%, 3/15/01......................       200,076
       250,000 Stellex Industries, Inc.
                9.500%, 11/01/07.................................       248,125
                                                                    -----------
                                                                        951,951
                                                                    -----------
               ELECTRONICS--0.6%
       250,000 Amphenol Corp.
                9.875%, 5/15/07..................................       266,875
       250,000 Jordan Telecommunication Products 9.875%, 8/1/07..       265,000
                                                                    -----------
                                                                        531,875
                                                                    -----------
               ENERGY--1.6%
       250,000 AES Corp. 8.500%, 11/01/07........................       254,063
       400,000 Occidental Petroleum Corp. 9.250%, 8/01/19........       505,688
       250,000 Transamerican Energy Corp., 0/13.000%, 6/15/02(c).       205,000
       250,000 Transamerican Energy Corp. 11.500%, 6/15/02.......       237,500
       250,000 United Refining Co., Series B 10.750%, 6/15/07....       247,500
                                                                    -----------
                                                                      1,449,751
                                                                    -----------
               ENVIRONMENTAL CONTROL--0.7%
       400,000 Allied Waste Industries, Inc. 0/11.300%,
                6/01/07(c).......................................       295,000
       250,000 Norcal Waste Systems, Inc. 13.500%, 11/15/05......       290,313
                                                                    -----------
                                                                        585,313
                                                                    -----------
               FINANCE--2.2%
       125,000 Airplane Pass Thru Trust,
                10.875%, 3/15/19.................................       141,194
       625,000 Banc One Corp.
                7.600%, 5/01/07..................................       684,119
       250,000 DVI, Inc. 9.875%, 2/01/04.........................       265,625
       375,000 Merrill Lynch & Co.
                6.000%, 2/12/03..................................       374,378
       450,000 Paine Webber Group, Inc.
                7.000%, 3/01/00..................................       456,719
                                                                    -----------
                                                                      1,922,035
                                                                    -----------
               FINANCIAL LEASING--0.7%
       250,000 Navistar International
                8.000%, 2/01/08..................................       251,875
       100,000 United States Leasing International, Inc.
                8.450%, 1/25/05..................................       111,391
       250,000 William Scotsman, Inc.
                9.875%, 6/01/07..................................       260,000
                                                                    -----------
                                                                        623,266
                                                                    -----------
               FOOD & BEVERAGES--1.9%
       125,000 B&G Foods, Inc.
                9.625%, 8/01/07..................................       127,188
       250,000 CFP Holdings, Inc., Series B 11.625%, 1/15/04.....       235,000
       250,000 Delta Beverage Group
                9.750%, 12/15/03.................................       262,500
       250,000 Doane Products Co.
                10.625%, 3/01/06.................................       270,000
       200,000 Dole Foods, Inc.
                6.750%, 7/15/00..................................       202,474
       250,000 Imperial Holly Corp.
                9.750%, 12/15/07.................................       252,500
       250,000 SC International Services, Inc. 9.250%, 9/01/07...       259,375
       150,000 Stroh Brewery Co.
                11.100%, 7/01/06.................................       101,813
                                                                    -----------
                                                                      1,710,850
                                                                    -----------
               FOREIGN--2.9%
       550,000 Bundesrepublik Deutche
                6.500%, 7/04/27(f)...............................       355,901
    45,000,000 Euro Investment Bank
                4.250%, 7/16/98(e)...............................       325,938
       400,000 Korea Development Bank
                9.600%, 12/01/00.................................       383,148
        90,000 New South Wales Treasury Corp. 7.375%, 2/21/07....        60,823
     3,000,000 Russian Principal Loan 3.313%, 12/15/20...........     1,425,000
        51,517 Vnesheconombank USSR 144A, 6.625%, 12/02/15(d)(o).        27,658
                                                                    -----------
                                                                      2,578,468
                                                                    -----------
               FOREIGN GOVERNMENT--18.8%
     2,050,000 Federal Republic of Brazil
                10.125%, 5/15/27.................................     1,948,781
       200,000 Federal Republic of Germany 6.000%, 1/05/06(f)....       119,881
</TABLE>
 
                See accompanying notes to financial statements.

                                                                              75
<PAGE>
 
NEW ENGLAND ZENITH FUND
SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
BONDS & NOTES--(CONTINUED)
 

<TABLE>
<CAPTION>
     FACE
    AMOUNT                                                           VALUE (A)
 <C>           <S>                                                  <C>
 
               FOREIGN GOVERNMENT--(CONTINUED)
 $     790,000 Federal Republic of Germany 5.625%, 1/04/28(f)....   $   454,695
     1,150,000 Government of Canada
                6.500%, 9/01/98(g)...............................       783,232
        60,000 Government of Canada
                7.000%, 12/01/06(g)..............................        45,258
     1,440,000 Government of the Netherlands 9.000%, 1/15/01(h)..       788,449
       550,000 Government of New Zealand 6.500%, 2/15/00(k)......       283,188
     5,960,000 Kingdom of Denmark
                8.000%, 5/15/03(i)...............................       992,278
    10,220,000 Kingdom of Denmark
                6.000%, 2/15/99(i)...............................     1,503,803
     1,300,000 Kingdom of Morocco
                6.562%, 1/01/09..................................     1,114,750
     3,800,000 Kingdom of Sweden
                11.000%, 1/21/99(j)..............................       493,400
     1,400,000 National Republic of Bulgaria 6.563%, 7/28/11.....       997,500
     1,600,000 Republic of Argentina
                5.750%, 3/31/23..................................     1,185,000
       500,000 Republic of Ecuador
                3.500%, 2/28/25..................................       269,688
    82,900,000 Republic of Greece
                11.000%, 2/25/00(l)..............................       274,023
 1,200,000,000 Republic of Italy,
                Zero Coupon, 7/31/98(m)..........................       672,216
     1,000,000 Republic of Panama
                3.750%, 7/17/14..................................       769,375
       900,000 Republic of Peru 4.000%, 3/07/17..................       554,670
     1,809,524 Republic of Venezuela
                6.625%, 12/18/07.................................     1,506,972
     1,000,000 United Mexican States
                6.250%, 12/31/19.................................       826,875
     1,000,000 United Mexican States
                11.500%, 5/15/26.................................     1,125,000
                                                                    -----------
                                                                     16,709,034
                                                                    -----------
               GOVERNMENT AGENCIES--18.7%
       194,315 Federal Home Loan Mortgage 10.000%, 5/15/20.......       210,736
         2,863 Federal Home Loan Mortgage 11.565%, 6/15/21.......        86,293
     7,900,000 Federal National Mortgage Association 7.000%,
                1/01/99..........................................     8,011,074
     4,600,000 Federal National Mortgage Association 6.500%,
                12/01/99.........................................     4,581,278
       800,000 Federal National Mortgage Association 7.500%,
                12/01/99.........................................       820,496
        19,982 Federal National Mortgage Association 13.000%,
                11/01/14.........................................        24,022
       500,000 Federal National Mortgage Association 7.000%,
                11/18/15.........................................       508,625
        79,624 Federal National Mortgage Association 10.400%,
                4/25/19..........................................        87,198
     4,204,700 Federal National Mortgage Association 8.268%,
                3/17/20(c)(n)....................................       118,362
       947,544 Federal National Mortgage Association 6.500%,
                3/01/26..........................................       945,762
       127,442 Federal National Mortgage Association 7.000%,
                5/01/26..........................................       129,273
     5,096,783 Federal National Mortgage Association 7.991%,
                2/25/35(c)(n)....................................       433,736
     8,591,000 Federal National Mortgage Association 7.329%,
                10/17/36(c)(n)...................................       260,307
       493,484 Government National Mortgage Association 7.500%,
                1/15/27..........................................       507,207
                                                                    -----------
                                                                     16,724,369
                                                                    -----------
               HEALTH CARE--1.8%
       200,000 Alaris Medical Systems, Inc.
                9.750%, 12/01/06.................................       209,000
       250,000 Dade International, Inc.
                11.125%, 5/01/06.................................       283,125
       150,000 Fresenius Medical Care Cap
                9.000%, 12/01/06.................................       156,000
       250,000 Integrated Health Services, Inc. 9.250%, 1/15/08..       260,000
       150,000 Maxxim Medical, Inc.
                10.500%, 8/01/06.................................       165,375
       250,000 Prime Medical Services, Inc. 144A, 8.750%,
                4/01/08(d).......................................       245,313
       250,000 Vencor, Inc. 144A,
                9.875%, 5/01/05(d)...............................       246,250
                                                                    -----------
                                                                      1,565,063
                                                                    -----------
               HOUSING RELATED--0.3%
       250,000 CB Richards Ellis Services
                8.875%, 6/01/06..................................       247,500
                                                                    -----------
               INSURANCE--0.5%
       400,000 Aetna Services, Inc. 7.625%, 8/15/26..............       441,076
                                                                    -----------
               LEISURE TIME--0.9%
       250,000 Grand Casino, Series B
                9.000%, 10/15/04.................................       271,250
       250,000 Prime Hospitality Corp.
                9.750%, 4/01/07..................................       268,125
</TABLE>
 

                See accompanying notes to financial statements.

76
<PAGE>
 
NEW ENGLAND ZENITH FUND
SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
BONDS & NOTES--(CONTINUED)
 

<TABLE>
<CAPTION>
     FACE
    AMOUNT                                                           VALUE (A)
 <C>           <S>                                                  <C>
 
               LEISURE TIME--(CONTINUED)
 $     250,000 Sun International, Ltd.
                8.625%, 12/15/07.................................   $   257,813
                                                                    -----------
                                                                        797,188
                                                                    -----------
               METAL/MINING/STEEL--1.2%
       250,000 Commonwealth Aluminum Corp. 10.750%, 10/1/06......       266,250
       250,000 Murrin Murrin Holdings Property, Ltd. 9.375%,
                8/31/07..........................................       246,875
       250,000 P&L Coal Holdings Corp. 144A, 9.625%, 5/15/08(d)..       257,500
       250,000 Renco Metals, Inc.
                11.500%, 7/01/03.................................       268,438
                                                                    -----------
                                                                      1,039,063
                                                                    -----------
               MISCELLANEOUS--1.1%
       249,751 First Union Residential Securitization 7.000%,
                8/25/28..........................................       245,692
       300,000 Norsk Hydro A.S.
                6.700%, 1/15/18..................................       306,111
       482,143 RG Receivables Co.
                9.600%, 2/28/05..................................       447,626
                                                                    -----------
                                                                        999,429
                                                                    -----------
               MORTGAGE--5.3%
     9,800,000 DLJ Commercial Mortgage Corp. .709%,
                5/10/23(c)(n)....................................       487,060
     1,668,707 Green Tree Financial Corp.
                7.070%, 2/15/16..................................     1,727,113
     1,200,971 Mid State Trust VI
                7.340%, 7/01/35..................................     1,248,255
       450,000 PNC Mortgage Securities Corp. 6.734%, 2/25/28.....       435,938
       474,739 PNC Mortgage Securities Corp. 6.838%, 5/25/28.....       463,464
       349,737 PNC Mortgage Securities Corp. 6.750%, 5/25/28.....       339,682
                                                                    -----------
                                                                      4,701,512
                                                                    -----------
               OIL & GAS--1.3%
       250,000 Bellwether Exploration Co.
                10.875%, 4/01/07.................................       263,750
       150,000 Benton Oil & Gas Co.
                11.625%, 5/01/03.................................       159,375
       150,000 Cross Timbers Oil Co.
                9.250%, 4/01/07..................................       153,000
       150,000 KCS Energy, Inc.
                11.000%, 1/15/03.................................       161,625
       200,000 National Energy Group, Inc., Series D 10.750%,
                11/01/06.........................................       182,000
       250,000 Wainoco Oil Corp. 144A,
                9.125%, 2/15/06(d)................................       253,125
                                                                     -----------
                                                                       1,172,875
                                                                     -----------
               PAPER--1.0%
       250,000 Doman Industries, Ltd.
                8.750%, 3/15/04...................................       246,875
       400,000 Harnischfeger Industries, Inc.
                6.875%, 2/15/27...................................       418,864
       250,000 Stone Container Corp.
                12.250%, 4/01/02..................................       257,500
                                                                     -----------
                                                                         923,239
                                                                     -----------
               PETROLEUM SERVICES--0.7%
       250,000 Dailey International, Inc.
                9.500%, 2/15/08...................................       246,250
       250,000 Dawson Production Services, Inc. 9.375%, 2/01/07...       246,875
       150,000 Parker Drilling Co.
                9.750%, 11/15/06..................................       153,750
                                                                     -----------
                                                                         646,875
                                                                     -----------
               PLASTICS & PACKAGING--1.3%
       150,000 Berry Plastics 12.250%, 4/15/04....................       164,625
       250,000 Huntsman Packaging Corp.
                9.125%, 10/01/07..................................       249,375
       250,000 Indesco International 144A,
                9.750%, 4/15/08(d)................................       246,875
       200,000 Radnor Holdings Corp.
                10.000%, 12/01/03.................................       209,000
       250,000 Tekni-Plex, Inc. 11.250%, 4/01/07..................       275,000
                                                                     -----------
                                                                       1,144,875
                                                                     -----------
               PUBLISHING--0.6%
       250,000 Garden State Newspapers, Inc. 8.750%, 10/01/09.....       255,625
       250,000 Hollinger International
                9.250%, 2/01/06...................................       261,250
                                                                     -----------
                                                                         516,875
                                                                     -----------
               RETAIL--FOOD & DRUG--0.5%
       150,000 Carr-Gottstein Foods Co.
                12.000%, 11/15/05.................................       168,000
       250,000 Jitney-Jungle Stores
                12.000%, 3/01/06..................................       282,500
                                                                     -----------
                                                                         450,500
                                                                     -----------
               RETAIL--1.9%
       250,000 Advance Stores Co. 144A,
                10.250%, 4/15/08(d)...............................       259,688
       250,000 Cole National Group, Inc.
                9.875%, 12/31/06..................................       270,625
</TABLE>
 
                See accompanying notes to financial statements.

                                                                              77
<PAGE>
 
NEW ENGLAND ZENITH FUND
SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
BONDS & NOTES--(CONTINUED)
 

<TABLE>
<CAPTION>
     FACE
    AMOUNT                                                           VALUE (A)
 <C>           <S>                                                  <C>
 
               RETAIL--(CONTINUED)
 $     150,000 Hills Stores Co.
                12.500%, 7/01/03.................................   $   149,625
       250,000 Musicland Group, Series B
                9.875%, 3/15/08..................................       249,375
       700,000 Staples, Inc. 7.125%, 8/15/07.....................       727,230
                                                                    -----------
                                                                      1,656,543
                                                                    -----------
               SERVICES--2.3%
       150,000 Borg-Warner Security Corp.
                9.125%, 5/01/03..................................       156,375
       600,000 First Data 6.375%, 12/15/07.......................       606,540
       250,000 Intertek Financial PLC, Series B 10.250%,
                11/01/06.........................................       265,625
       250,000 Iron Mountain, Inc.
                10.125%, 10/01/06................................       271,250
       250,000 Kindercare Learning Centers
                9.500%, 2/15/09..................................       256,250
       250,000 LES, Inc. 144A,
                9.250%, 6/01/08(d)...............................       255,000
       250,000 Loomis Fargo & Co.
                10.000%, 1/15/04.................................       250,625
                                                                    -----------
                                                                      2,061,665
                                                                    -----------
               TELECOMMUNICATIONS--3.5%
     1,020,000 British Telecommunication
                7.000%, 5/23/07..................................     1,083,750
       250,000 Comcast Cellular Holdings, Inc. 9.500%, 5/01/07...       261,563
       400,000 GTE Corp. 6.940%, 4/15/28.........................       411,208
       275,000 ICG Holdings, Inc.
                0/13.500%, 9/15/05(c)............................       235,125
       250,000 Intermedia Communications 144A, 8.600%,
                6/01/08(d).......................................       253,125
       350,000 International CableTel, Inc., 0/11.500%,
                2/01/06(c).......................................       285,688
       200,000 Nextel Communications, Inc., 0/9.750%, 8/15/04(c).       195,000
       250,000 Nextel Communications, Inc. 144A, 0/9.950%,
                2/15/08(c)(d)....................................       160,000
       250,000 Nextlink Communications, Ltd. 144A, 9.000%,
                3/15/08(d).......................................       253,125
                                                                    -----------
                                                                      3,138,584
                                                                    -----------
               TRANSPORTATION--1.8%
       250,000 Atlantic Express Transportation Corp. 10.750%,
                2/01/04..........................................       266,875
       150,000 Enterprises Shipholding Corp. 144A, 8.875%,
                5/01/08(d).......................................       147,471
       200,000 Holt Group, Inc. 144A,
                9.750%, 1/15/06 (d)...............................       200,000
       250,000 Offshore Logistics, Inc.
                7.875%, 1/15/08...................................       248,750
       200,000 Ryder Transportation, Inc.
                10.000%, 12/01/06.................................       232,500
       250,000 Stena AB 10.500%, 12/15/05.........................       273,125
       400,000 TFM, S.A. DE CV,
                0/11.750%, 6/15/09(c).............................       264,932
                                                                     -----------
                                                                       1,633,653
                                                                     -----------
               U.S. GOVERNMENT--6.3%
       130,000 United States Treasury Bonds 6.375%, 8/15/27.......       142,980
       500,000 United States Treasury Notes
                6.625%, 3/31/02...................................       517,915
     1,000,000 United States Treasury Notes
                5.875%, 9/30/02...................................     1,012,420
       400,000 United States Treasury Notes
                5.625%, 12/31/02..................................       401,652
       215,309 United States Treasury Notes
                3.375%, 1/15/07...................................       208,581
     3,200,000 United States Treasury Notes
                6.125%, 8/15/07...................................     3,330,048
                                                                     -----------
                                                                       5,613,596
                                                                     -----------
               Total Bonds & Notes
                (Identified Cost $82,826,258).....................    83,024,110
                                                                     -----------
<CAPTION> 

PREFERRED STOCK--0.3%

    SHARES
 <C>           <S>                                                   <C>
         2,566 Nebco Evans Holdings...............................       260,449
                                                                     -----------
               Total Preferred Stock
                (Identified Cost $257,031)........................       260,449
                                                                     -----------
<CAPTION> 

WARRANT--0.0%

     FACE
    AMOUNT
 <C>           <S>                                                   <C>
 $         200 In Flight Phone Corp. .............................             0
                                                                     -----------
               Total Warrant
                (Identified Cost $0)..............................             0
                                                                     -----------
</TABLE>

                See accompanying notes to financial statements. 
 
78
<PAGE>
 
NEW ENGLAND ZENITH FUND
SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
SHORT-TERM INVESTMENT--20.8%
 

<TABLE>
<CAPTION>
    FACE
   AMOUNT
 <C>         <S>                                                  <C>
 $18,549,000 Repurchase agreement with State Street Corp. dated
              6/30/98 at 5.70% to be repurchased at $18,551,937
              on 7/01/98 collateralized by $15,725,000 U.S.
              Treasury Bond 7.50% due 11/15/16 with a value of
              $18,924,063......................................   $  18,549,000
                                                                  -------------
             Total Short-Term Investment
              (Identified Cost $18,549,000)....................      18,549,000
                                                                  -------------
             Total Investments--114.3%
              (Identified Cost $101,632,289)(b)................     101,833,559
             Other assets less liabilities.....................    (12,721,956)
                                                                  -------------
             TOTAL NET ASSETS--100%............................   $  89,111,603
                                                                  =============
</TABLE>

<TABLE>
<CAPTION>

FORWARD CURRENCY CONTRACTS OUTSTANDING AT JUNE 30, 1998
 
                                   LOCAL    AGGREGATE              UNREALIZED
       CURRENCY         DELIVERY  CURRENCY     FACE      TOTAL    APPRECIATION/
       CONTRACT           DATE     AMOUNT     VALUE      VALUE    DEPRECIATION
<S>                     <C>      <C>        <C>        <C>        <C>
Canadian Dollar (sold)  08/12/98  1,531,932 $1,069,039 $1,041,987   $ 27,052
Canadian Dollar
 (bought)               08/12/98    351,763    243,435    239,261     (4,174)
Deutsche Mark (bought)  08/12/98    500,000    281,793    277,965     (3,828)
Deutsche Mark (sold)    08/12/98  2,180,839  1,230,000  1,212,392     17,608
Deutsche Mark (bought)  08/12/98  3,623,667  2,047,796  2,014,502    (33,294)
Deutsche Mark (sold)    08/12/98    420,000    236,965    233,490      3,475
Deutsche Mark (sold)    08/12/98    520,000    292,278    289,083      3,195
Danish Krone (sold)     08/12/98  6,815,230  1,011,162    993,844     17,318
Greek Drachma (sold)    08/12/98 88,900,000    281,793    290,174     (8,381)
Greek Drachma (bought)  08/12/98 89,440,000    292,278    291,936       (342)
Japanese Yen (sold)     08/12/98 48,335,955    369,541    351,789     17,752
Netherlands Guilder
 (sold)                 08/12/98    454,383    228,448    224,115      4,333
Netherlands Guilder
 (bought)               08/12/98    473,361    236,965    233,476     (3,489)
New Zealand Dollar
 (sold)                 08/12/98    450,229    241,322    233,625      7,697
                                                                    --------
Total Appreciation on Forward Currency contracts................    $ 44,922
                                                                    ========
</TABLE>
 
(a) See Note 1a of Notes to Financial Statements
(b) Federal Tax Information: At June 30, 1998 the net unrealized appreciation
    on investments based on cost of $101,632,289 for federal income tax
    purposes was as follows:
   Aggregate gross unrealized appreciation for all investments in
    which there is an excess of value over tax cost............... $ 1,776,696
   Aggregate gross unrealized depreciation for all investments in
    which there is an excess of tax cost over value...............  (1,575,453)
                                                                   -----------
   Net unrealized appreciation.................................... $   201,243
                                                                   ===========
(c) Step Bond; Coupon rate is zero or below market for an initial period and
    then increased to a higher coupon rate at a specified date and rate.
(d) 144A Securities exempt from registration under Rule 144A of the Securities
    Act of 1933. These securities may be resold in transactions exempt from
    registration, normally to qualified institutional buyers. At the period
    end, the value of these securities amounted to $3,647,005 or 4.1% of net
    assets.
(e) Denominated in Japanese Yen
(f) Denominated in German Marks
(g) Denominated in Canadian Dollars
(h) Denominated in Netherland Guilder
(i) Denominated in Danish Krone
(j) Denominated in Swedish Krona
(k) Denominated in New Zealand Dollars
(l) Denominated in Greek Drachma
(m) Denominated in Italian Lira
(n) Interest only certificate. This security receives monthly interest
    payments but is not entitled to principal payments.
(o) Variable or floating rate security. Rate disclosed is as of June 30, 1998.
 
                See accompanying notes to financial statements.

                                                                             79
<PAGE>
 
NEW ENGLAND ZENITH FUND
(SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
 

<TABLE>
<S>                                                    <C>         <C>
ASSETS
 Investments at value................................              $101,833,559
 Cash................................................                       416
 Foreign cash at value
  (Cost $2,304)......................................                     2,278
 Receivable for:
 Securities sold.....................................                   111,355
 Open forward currency
  contracts--net.....................................                    44,922
 Dividends and interest..............................                 1,311,998
 Miscellaneous.......................................                     5,535
 Unamortized organization
  expense............................................                     2,691
                                                                   ------------
LIABILITIES..........................................               103,312,754
 Payable for:
 Securities purchased................................  $14,108,584
 Fund shares redeemed................................        9,615
 Withholding taxes...................................          781
 Accrued expenses:
 Management fees.....................................       56,318
 Deferred trustees' fees.............................        2,646
 Other expenses......................................       23,207
                                                       -----------
                                                                     14,201,151
                                                                   ------------
                                                                   $ 89,111,603
                                                                   ============
NET ASSETS
 Net Assets consist of:
 Capital paid in.....................................              $ 85,391,804
 Undistributed net investment income.................                 2,854,744
 Accumulated net realized gains......................                   621,641
 Unrealized appreciation on investments, forward
  contracts and foreign currency.....................                   243,414
                                                                   ------------
NET ASSETS...........................................              $ 89,111,603
                                                                   ============
Computation of offering price:
Net asset value and redemption price per share
 ($89,111,603 divided by 7,214,454 shares of
 beneficial interest)................................              $      12.35
                                                                   ============
Identified cost of investments.......................              $101,632,289
                                                                   ============
<CAPTION> 

STATEMENT OF OPERATIONS       
SIX MONTHS ENDED JUNE 30, 1998
(UNAUDITED)                    
<S>                                                   <C>          <C> 
INVESTMENT INCOME
 Dividends..........................................               $    6,343(a)
 Interest...........................................                3,201,987
                                                                   ----------
                                                                    3,208,330
EXPENSES
 Management fees....................................  $   278,645
 Trustees' fees and expenses........................        7,101
 Custodian..........................................       32,986
 Audit and tax services.............................        6,667
 Legal..............................................        2,136
 Printing...........................................        7,072
 Insurance..........................................        1,498
 Amortization of organization expenses..............          996
 Miscellaneous......................................        2,262
                                                      -----------
  Total expenses....................................                  339,363
                                                                   ----------
NET INVESTMENT INCOME...............................                2,868,967
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS
 AND FOREIGN CURRENCY TRANSACTIONS
 Realized gain (loss) on:
 Investments--net...................................      572,888
 Foreign currency transactions--net.................      (38,656)
                                                      -----------
  Total realized gain on investments and foreign
   currency transactions............................      534,232
                                                      -----------
 Unrealized depreciation on:
 Investments--net...................................   (1,275,705)
 Foreign currency transactions--net.................      (28,094)
                                                      -----------
  Total unrealized depreciation on investments and
   foreign currency transactions....................   (1,303,799)
                                                      -----------
Net loss on investment transactions.................                 (769,567)
                                                                   ----------
NET INCREASE IN NET ASSETS FROM OPERATIONS..........               $2,099,400
                                                                   ==========
</TABLE>
(a) Net of foreign taxes of: $688.
 
                See accompanying notes to financial statements. 

80
<PAGE>
 
NEW ENGLAND ZENITH FUND
(SALOMON BROTHERS STRATEGIC BOND OPPORTUNITIES SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 

<TABLE>
<CAPTION>
                                                   YEAR ENDED   SIX MONTHS ENDED
                                                  DECEMBER 31,      JUNE 30,
                                                      1997            1998
                                                  ------------  ----------------
<S>                                               <C>           <C>
FROM OPERATIONS
 Net investment income..........................  $  3,981,350    $  2,868,967
 Net realized gain on investments and foreign
  currency transactions.........................     1,004,553         534,232
 Unrealized appreciation (depreciation) on
  investments, and foreign currency
  transactions..................................       774,518      (1,303,799)
                                                  ------------    ------------
 INCREASE IN NET ASSETS FROM OPERATIONS.........     5,760,421       2,099,400
                                                  ------------    ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income..........................    (4,170,493)              0
 Net realized gain on investments...............      (739,272)              0
                                                  ------------    ------------
                                                    (4,909,765)              0
                                                  ------------    ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares...................    45,476,971      26,096,171
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income.......     4,170,493               0
 Distributions from net realized gain...........       739,272               0
                                                  ------------    ------------
                                                    50,386,736      26,096,171
 Cost of shares redeemed........................   (15,843,098)    (10,285,913)
                                                  ------------    ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL
  SHARE TRANSACTIONS............................    34,543,638      15,810,258
                                                  ------------    ------------
 TOTAL INCREASE IN NET ASSETS...................    35,394,294      17,909,658
NET ASSETS
 Beginning of the period........................    35,807,651      71,201,945
                                                  ------------    ------------
 End of the period..............................  $ 71,201,945    $ 89,111,603
                                                  ============    ============
UNDISTRIBUTED (OVERDISTRIBUTED) NET INVESTMENT
 INCOME
 End of the period..............................  $    (14,223)   $  2,854,744
                                                  ============    ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares.................     3,727,495       2,125,124
 Issued in connection with the reinvestment of:
 Distributions from net investment income.......       347,510               0
 Distributions from net realized gain...........        61,591               0
                                                  ------------    ------------
                                                     4,136,596       2,125,124
 Redeemed.......................................    (1,291,407)       (837,220)
                                                  ------------    ------------
 Net change.....................................     2,845,189       1,287,904
                                                  ============    ============
</TABLE>
 
<TABLE> 
<CAPTION> 

FINANCIAL HIGHLIGHTS
 
                          OCTOBER 31, 1994(A)
                                THROUGH        YEAR    YEAR     YEAR    SIX MONTHS ENDED
                             DECEMBER 31,     ENDED    ENDED    ENDED       JUNE 30,
                                 1994          1995    1996     1997          1998
                          ------------------- ------  -------  -------  ----------------
<S>                       <C>                 <C>     <C>      <C>      <C>
Net Asset Value,
 Beginning of period....        $10.00        $ 9.74  $ 10.85  $ 11.62      $ 12.01
                                ------        ------  -------  -------      -------
Income From Investment
 Operations
 Net Investment Income..          0.12          0.58     0.51     0.75         0.40
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........         (0.26)         1.30     1.05     0.54        (0.06)
                                ------        ------  -------  -------      -------
 Total From Investment
  Operations............         (0.14)         1.88     1.56     1.29         0.34
                                ------        ------  -------  -------      -------
Less Distributions
 Distributions From Net
  Investment Income.....         (0.12)        (0.55)   (0.60)   (0.76)        0.00
 Distributions From Net
  Realized Capital
  Gains.................          0.00         (0.22)   (0.19)   (0.14)        0.00
                                ------        ------  -------  -------      -------
 Total Distributions....         (0.12)        (0.77)   (0.79)   (0.90)        0.00
                                ------        ------  -------  -------      -------
Net Asset Value, End of
 period.................        $ 9.74        $10.85  $ 11.62  $ 12.01      $ 12.35
                                ======        ======  =======  =======      =======
TOTAL RETURN (%)........         (1.40)(b)     19.38    14.36    11.07         2.83(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............          0.85 (c)      0.85     0.85     0.85         0.85(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............          7.05 (c)      8.39     7.79     7.32         7.19(c)
Portfolio Turnover Rate
 (%)....................           403 (c)       202      176      258          281(c)
Net Assets, End of
 period (000)...........        $3,450        $9,484  $35,808  $71,202      $89,112
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............          2.01 (c)      2.44     1.19     0.87           --
</TABLE>
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.
 
                See accompanying notes to financial statements.

                                                                              81
<PAGE>
 
BACK BAY ADVISORS BOND INCOME SERIES
PORTFOLIO MANAGER: CATHERINE BUNTING
BACK BAY ADVISORS, L.P.

[PHOTO OF CATHERIN BUNTING APPEARS HERE]
 
Q. HOW DID THE SERIES PERFORM DURING THE FIRST SIX MONTHS OF THE YEAR?
 
A. The Series continued its long record of rewarding investors with strong
performance with a total return of 4.3%, reflecting a $4.61 per share gain in
net asset value to $113.13 per share. Once again, the Series turned in results
that were better than the 4.0% return in the Lipper Variable Products A-Rated
Corporate Bond Funds Average.
 
Q. WHAT WAS THE INVESTMENT ENVIRONMENT LIKE FOR BONDS DURING THE REPORTING
PERIOD?
 
A. The environment for U.S. bonds was positive as prices generally rose and
yields declined. Economic growth in the United States was solid while infla-
tion remained low. Meanwhile, international demand for U.S. bonds strengthened
as investors turned to the bond markets both as a safe haven from Asia's eco-
nomic troubles and as a source of relatively high returns. The expectation
that Asia's problems would slow U.S. growth and limit inflationary pressures
fostered extraordinarily low domestic interest rates. Later in the period, the
supply of corporate bonds rose, translating into higher yields, but lower bond
prices. In addition, news that the Asian crisis was worsening renewed concerns
about its negative effect on corporate profits and, consequently, corporate
bond prices.
 
Q. WHAT STRATEGIES DID YOU USE IN MANAGING THE SERIES?
 
A. Given the uncertainties in Asia, we eliminated holdings altogether of bonds
from Asian countries. At the same time, we minimized investments in emerging
bond markets elsewhere in the world to protect the Series against the ripple
effects emanating from Asia's difficulties.
 
We took advantage of favorable investment conditions in the U.S. bond markets
to boost both the Series' yield and price performance. Because domestic eco-
nomic activity was solid, we could afford to relax our emphasis on quality by
reducing holdings in U.S. Government securities--the most creditworthy securi-
ties available. We turned up our focus on bonds at the lower cusp of what (in
the bond world) is considered investment-grade terrain, as well as on select
higher-yielding, lower-grade bonds. Even so, the average credit quality of the
portfolio remained relatively high, as of June 30, 1998.
 
Meanwhile, our investments in corporate bonds focused on capturing more gener-
ous yields as well as price gains. In general, the prevailing backdrop of sta-
ble-to-lower interest rates combined with healthy economic activity works to
the advantage of corporate bonds. In fact, the credit quality of two Series
holdings, Time Warner Inc. and Telecommunications, Inc. was upgraded by bond
ratings agencies, paving the way for appreciation in their prices.
 
We also focused on industries, such as utilities and telecommunications, whose
performance tends to move independently of ebbs and flows in economic growth.
While the U.S. economy was strong, troubling economic developments in Asia
raised concerns that cyclical businesses in the United States might experience
setbacks. These worries were enough to cause the steadier, non-cyclical indus-
tries to outperform bonds issued by companies whose business activities are
more closely tied to the ups and downs of the U.S. economy.
 
In anticipation of lower interest rates, investments in bonds at the longer
end of the maturity spectrum were a focal point. The reason: The longer a
bond's maturity, the greater its potential for price appreciation when inter-
est rates fall. Emphasizing longer-term bonds helped the Series to make the
most of declining interest rates. In particular, an emphasis on bonds with ma-
turities of at least 10 years and a shift away from shorter-term issues con-
tributed to the Series' solid results. Longer-term bonds outperformed their
shorter-term counterparts as interest rates fell toward the end of the period.
 
Q. WHAT IS YOUR OUTLOOK FOR BONDS OVER THE NEXT SIX MONTHS?
 
A. Favorable, in view of our expectations that economic growth in the United
States will remain healthy while inflation stays low and international demand
for U.S. bonds continues to be strong. While we anticipate long-term interest
rates to remain fairly steady, we would not be surprised to see ongoing diffi-
culties in Asia prompt weakness in the equity markets and a flight-to-quality
mentality favoring higher bond prices and lower long-term interest rates.
 
82
<PAGE>
 

             A $10,000 Investment Compared to the Lehman Brothers
   Intermediate Government/Corporate Bond Index/5/ and the Cost of Living/1/

                           [LINE GRAPH APPEARS HERE]

  Average Annual Total Return
                Bond Income    Lipper Variable Products
                   Series         A-Rated Corp. Bond
                                      Fund Avg./6/
  6 months*         4.3%                  4.0%
  1 year           11.3%                 10.6%
  3 years           9.0%                  7.6%
  5 years           8.0%                  6.6%
  10 years          9.8%                  8.8%
  Since Inception  10.4%                  n/a

  *not annualized

                                                Lehman Intermediate 
                      Bond Income Series        Government/Corporate     COL
        12/31/87            10,000                    10,000            10,000
          Dec-88            10,837                    10,668            10,442
          Dec-89            12,169                    12,030            10,927
          Dec-90            13,153                    13,133            11,594
          Dec-91            15,515                    15,054            11,950
          Dec-92            16,785                    16,133            12,296
          Dec-93            18,901                    17,549            12,634
          Dec-94            18,266                    17,210            12,972
          Dec-95            22,137                    19,845            13,302
          Dec-96            23,158                    20,651            13,744
          Dec-97            25,682                    22,762            13,977
         6/30/98            26,773                    23,550            14,107


 
[X] FUND FACTS
 
GOAL: A high level of current income consistent with the protection of capital
and moderate investment risk.
 
START DATE: August 26, 1983

SIZE: $226 million as of June 30, 1998

MANAGER: Catherine Bunting has managed the Series since 1989. She has also acted
as portfolio manager of New England Bond Income Fund since 1989. She joined Back
Bay Advisors in April 1987.

 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
                                                                             83
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS BOND INCOME SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
BONDS AND NOTES--95.5% OF TOTAL NET ASSETS
- --------------------------------------------------------------------------------

    FACE
   AMOUNT                                                            VALUE (A)
 
            AEROSPACE--0.6%
$ 1,200,000 Lockheed Martin Corp.,
             7.250%, 5/15/06.....................................   $ 1,276,608
                                                                    -----------
            BUSINESS SERVICES--1.3%
  3,000,000 Equifax, Inc., 6.900%, 7/01/28.......................     2,969,940
                                                                    -----------
            CONTAINERS--2.0%
  1,000,000 Owens-Illinois, Inc., 8.100%, 5/15/07................     1,061,460
  3,500,000 Owens-Illinois, Inc., 7.150%, 5/15/05................     3,539,165
                                                                    -----------
                                                                      4,600,625
                                                                    -----------
            ELECTRIC UTILITIES--4.1%
  3,000,000 CalEnergy, Inc., 9.500%, 9/15/06.....................     3,251,250
  1,000,000 CalEnergy, Inc., 7.630%, 10/15/07....................     1,012,390
  1,250,000 New York State Electric & Gas Co., 8.875%, 11/01/21..     1,382,987
  1,000,000 Texas Utilities Electric Co.,
             7.875%, 3/01/23.....................................     1,074,070
  2,400,000 Texas Utilities Electric Co.,
             7.875%, 4/01/24.....................................     2,580,192
                                                                    -----------
                                                                      9,300,889
                                                                    -----------
            FEDERAL AGENCIES--6.2%
     29,121 Federal Home Loan Bank, 9.000%, with various
             maturities to 2001..................................        29,499
  6,591,201 Government National Mortgage Association, 7.000% with
             various maturities to 2025..........................     6,700,851
  5,520,701 Government National Mortgage Association, 7.500% with
             various maturities to 2025..........................     5,677,901
  1,374,907 Government National Mortgage Association, 8.5000%
             with various maturities to 2022.....................     1,456,575
    187,648 Government National Mortgage Association, 9.000%,
             10/15/16............................................       201,719
                                                                    -----------
                                                                     14,066,545
                                                                    -----------
            FINANCE & BANKING--16.2%
  2,500,000 American General Financing,
             8.450%, 10/15/09....................................     2,913,375
  2,500,000 Associates Corporation of North America, 7.950%,
             2/15/10.............................................     2,813,775
  5,660,000 Associates Corporation of North America, 8.550%,
             7/15/09.............................................     6,641,331
  2,000,000 BB & T Corp., 6.375%, 6/30/05........................     1,997,440
  1,000,000 BVPS II Funding Corp.,
             8.680%, 6/01/17.....................................     1,129,220
  2,000,000 BVPS II Funding Corp.,
             8.890%, 6/01/17.....................................     2,327,120
  2,911,000 EIP Funding Corp.,
             10.250%, 10/01/12...................................     3,419,988
  3,000,000 Nationsbank Corp., 6.600%, 5/15/10...................     3,074,070
  2,800,000 NCNB Corp., 9.375%, 9/15/09..........................     3,483,564
  1,800,000 Pitney Bowes Credit Corp.,                           
             8.550%, 9/15/09.....................................     2,147,166
  5,800,000 PVNGS II Funding Corp.,                              
             8.000%, 12/30/15....................................     6,484,458
                                                                    -----------
                                                                     36,431,507
                                                                    -----------
            FOREIGN--5.2%                                        
  9,265,000 Government of Canada,                                
             8.000%, 6/01/23(c)..................................     8,392,678
  4,500,000 Province of British Columbia,                        
             7.750%, 6/16/03.....................................     3,354,106
                                                                    -----------
                                                                     11,746,784
                                                                    -----------
            MEDIA & ENTERTAINMENT--9.4%                          
  3,100,000 Continental Cablevision, Inc.,                       
             9.500%, 8/01/13.....................................     3,641,942
  1,000,000 CSC Holdings, Inc.,                                  
             7.875%, 12/15/07....................................     1,052,420
  1,500,000 News America Holdings, Inc.,                         
             7.750%, 2/01/24.....................................     1,617,855
  5,500,000 News America Holdings, Inc.,                         
             8.250%, 8/10/18.....................................     6,222,260
  3,600,000 Time Warner, Inc. 9.150%, 2/01/23....................     4,572,360
    500,000 Tele-Communications, Inc.,                           
             9.800%, 2/01/12.....................................       641,985
  2,935,000 Tele-Communications, Inc.,                           
             9.250%, 1/15/23.....................................     3,407,711
                                                                    -----------
                                                                     21,156,533
                                                                    -----------
            PAPER--1.3%                                          
  1,500,000 Abitibi-Consolidated, Inc.,                          
             6.950%, 4/01/08.....................................     1,506,075
    484,537 Fort Howard Trust, 11.000%, 1/02/02..................       495,638
  1,000,000 Pope and Talbot, Inc.,                               
             8.375%, 6/01/13.....................................     1,016,850
                                                                    -----------
                                                                      3,018,563
                                                                    -----------
            PUBLISHING--0.7%                                     
  2,150,000 Golden Books Publishing, Inc.,                       
             7.650%, 9/15/02.....................................     1,682,375
                                                                    -----------
            SECURITIES--3.3%                                     
  4,000,000 Bear Stearns Cos., Inc.,                             
             6.200%, 3/30/03.....................................     3,993,040
  3,413,000 Fred Meyer, Inc., 7.450%, 3/01/08....................     3,420,195
                                                                    -----------
                                                                      7,413,235
                                                                    -----------
            TELECOMMUNICATIONS--16.5%                            
  3,000,000 AirTouch Communications, Inc.,                       
             6.650%, 5/01/08.....................................     3,047,160

 
                See accompanying notes to financial statements.

84
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS BOND INCOME SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
BONDS AND NOTES--(CONTINUED)
- --------------------------------------------------------------------------------

    FACE
   AMOUNT                                                            VALUE (A)
 
            TELECOMMUNICATIONS--(CONTINUED)
 $2,300,000 AT&T Corp., 8.350%, 1/15/25..........................   $ 2,560,889
  5,000,000 AT&T Corp., 8.625%, 12/01/31.........................     5,571,500
  2,000,000 Comcast Cable Communications 8.875%, 5/01/17.........     2,424,540
  1,200,000 GTE Corp., 7.510%, 4/01/09...........................     1,305,096
  4,800,000 GTE Corp., 7.900%, 2/01/27...........................     5,173,632
  3,500,000 GTE South, Inc., 6.125%, 6/15/07.....................     3,456,075
  1,500,000 LCI International, Inc., 7.250%, 6/15/07.............     1,525,095
  5,000,000 MCI Communications 7.500%, 8/20/04...................     5,295,150
  1,000,000 MCI Communications 7.750%, 3/15/24...................     1,061,370
  1,500,000 Qwest Communications International, Inc., 10.875%,
             4/01/07.............................................     1,740,000
  3,761,000 WorldCom Inc., 8.875%, 1/15/06.......................     4,071,283
                                                                    -----------
                                                                     37,231,790
                                                                    -----------
            U.S. GOVERNMENT--13.9%
  7,500,000 U.S. Treasury Notes, 5.750%, 4/30/03.................     7,571,550
 10,000,000 U.S. Treasury Notes, 6.625%, 3/31/02.................    10,358,300
  3,500,000 U.S. Treasury Notes, 8.000%, 5/15/01.................     3,728,235
  9,000,000 U.S. Treasury Notes, 8.500%, 11/15/00................     9,589,770
                                                                    -----------
                                                                     31,247,855
                                                                    -----------
            UTILITIES--(DIVERSIFIED)--1.0%
  2,000,000 Tennessee Valley Authority, 6.750%, 11/01/25.........     2,208,680
                                                                    -----------
            YANKEE--13.8%
  1,000,000 Bridas Co., 12.500%, 6/10/03.........................     1,120,000
  2,100,000 Freeport Term Malta PLC, 144A, 7.250%, 5/15/28(d)....     2,151,765
  7,500,000 Hydro Quebec, 8.050%, 7/07/24........................     8,949,450
  3,500,000 Merita Bank, Ltd., 7.500%, 12/29/49..................     3,631,565
  1,500,000 Multicanal S.A., 9.250%, 2/01/02.....................     1,494,045
    500,000 Pemex Petroleos Mexicanos, 8.625%, 12/01/23..........       449,675
  2,900,000 Petroleos Mexicanos, 144A, 8.625%, 12/01/23(d).......     2,608,115
  5,100,000 Smurfit Capital, 6.750%, 11/20/05....................     5,224,134
  2,000,000 Republic of Colombia, 7.250%, 2/23/04................     1,862,900
  3,000,000 Republic of Colombia, 7.625%, 2/15/07................     2,707,920
  1,000,000 YPF Sociedad Anonima, 7.250%, 3/15/03................       976,080
                                                                   ------------
                                                                     31,175,649
                                                                   ------------
            Total Bonds and Notes                                
             (Identified Cost $210,740,920)......................   215,527,578
                                                                   ------------
                                                                 
SHORT-TERM INVESTMENT--4.1%                                      
                                                                 
  9,206,000 Household Finance Corp.,                             
             6.000%, 7/01/98.....................................     9,206,000
                                                                   ------------
            Total Short-Term Investment                          
             (Identified Cost $9,206,000)........................     9,206,000
                                                                   ------------
            Total Investments--99.6%                             
             (Identified Cost $219,946,920)(b)...................   224,733,578
            Other assets less liabilities........................       797,707
                                                                   ------------
            TOTAL NET ASSETS--100%...............................  $225,531,285
                                                                   ============
 
(a) See Note 1A.
(b) Federal Tax Information:
    At June 30, 1998 the net unrealized appreciation on investments based on
    cost of $219,946,920 for federal income tax purposed was as follows:
            Aggregate gross unrealized appreciation for all
             investments in which there is an excess of value
             over tax cost.....................................   $  6,175,280
            Aggregate gross unrealized depreciation for all
             investments in which there is an excess of tax
             cost over value...................................     (1,388,622)
                                                                  ------------
            Net unrealized appreciation........................   $  4,786,658
                                                                  ============
(c) Denominated in Canadian Dollars.
(d) Security exempt from registration under rule 144A of the Securities Act of
    1933. These securities may be resold in transactions exempt from
    registration, normally to qualified institutional buyers. At the period
    end, the value of these securities amounted to $4,759,880 or 2.1% of net
    assets.
 
                See accompanying notes to financial statements.

                                                                             85
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS BOND INCOME SERIES)
- --------------------------------------------------------------------------------
STATEMENT OF ASSETS & LIABILITIES                                       
- --------------------------------------------------------------------------------
JUNE 30, 1998 (UNAUDITED)                                               
                                                                        
ASSETS
 Investments at value.................................             $224,733,578
 Cash.................................................                    2,031
 Foreign cash at value (cost $118,602)................                  118,498
 Receivable for:
   Fund shares sold...................................                  311,747
   Dividends and interest.............................                3,698,972
                                                                   ------------
                                                                    228,864,826
LIABILITIES
 Payable for:
   Securities purchased...............................  $2,970,000
   Fund shares redeemed...............................     210,647
   Withholding taxes..................................       2,461
   Miscellaneous......................................      21,161
 Accrued expenses:
   Management fees....................................      73,644
   Deferred trustees' fees............................      39,445
   Other expenses.....................................      16,183
                                                        ----------
                                                                      3,333,541
                                                                   ------------
NET ASSETS                                                         $225,531,285
                                                                   ============
 Net Assets consist of:
   Capital paid in....................................             $210,584,289
   Undistributed net investment income................                7,134,301
   Accumulated net realized gains.....................                3,026,324
   Unrealized appreciation on investments and foreign
    currency transactions.............................                4,786,371
                                                                   ------------
NET ASSETS............................................             $225,531,285
                                                                   ============
Computation of offering price:
Net asset value and redemption price per share
 ($225,531,285 divided by 1,993,602 shares of
 beneficial interest).................................             $     113.13
                                                                   ============
Identified cost of investments........................             $219,946,920
                                                                   ============
- --------------------------------------------------------------------------------
STATEMENT OF OPERATIONS      
- --------------------------------------------------------------------------------
SIX MONTHS ENDED JUNE 30, 1998
(UNAUDITED)                   

INVESTMENT INCOME
 Interest............................................              $7,664,654(a)
EXPENSES
 Management fees.....................................  $  425,060
 Trustees' fees and expenses.........................      11,729
 Custodian...........................................      45,622
 Audit and tax services..............................       5,390
 Legal...............................................       3,748
 Printing............................................      31,721
 Insurance...........................................       3,879
 Miscellaneous.......................................       2,265
                                                       ----------
     Total expenses..................................                 529,414
                                                                   ----------
NET INVESTMENT INCOME................................               7,135,240
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS
 AND FOREIGN CURRENCY TRANSACTIONS
 Realized gain (loss) on:
  Investments--net...................................   2,876,383
  Foreign currency transactions--net.................    (170,222)
                                                       ----------
     Total realized gain on investments and foreign
      currency transactions..........................   2,706,161
                                                       ----------
 Unrealized depreciation on:
  Investments--net...................................    (937,376)
  Foreign currency transactions--net.................        (182)
                                                       ----------
     Total unrealized depreciation on investments and
      foreign currency transactions..................    (937,558)
                                                       ----------
Net gain on investment transactions..................               1,768,603
                                                                   ----------
NET INCREASE IN NET ASSETS FROM OPERATIONS...........              $8,903,843
                                                                   ==========
 
(a) Net of foreign taxes of: $2,461.

 
                See accompanying notes to financial statements.

86
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS BOND INCOME SERIES)
- --------------------------------------------------------------------------------
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
- --------------------------------------------------------------------------------
 
                                                   YEAR ENDED   SIX MONTHS ENDED
                                                  DECEMBER 31,      JUNE 30,
                                                      1997            1998
                                                  ------------  ----------------
FROM OPERATIONS
 Net investment income..........................  $ 13,029,862    $  7,135,240
 Net realized gain on investments and foreign
  currency transactions.........................     1,604,656       2,706,161
 Unrealized appreciation (depreciation) on
  investments and foreign currency transactions.     4,839,580        (937,558)
                                                  ------------    ------------
 INCREASE IN NET ASSETS FROM OPERATIONS.........    19,474,098       8,903,843
                                                  ------------    ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income..........................   (13,039,485)              0
 Net realized gain on investments...............    (1,850,904)              0
                                                  ------------    ------------
                                                   (14,890,389)              0
                                                  ------------    ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares...................    54,067,705      42,602,085
 Net asset value of shares issued in connection
  with the reinvestment of:
   Distributions from net investment income.....    13,039,485               0
   Distributions from net realized gain.........     1,850,904               0
                                                  ------------    ------------
                                                    68,958,094      42,602,085
 Cost of shares redeemed........................   (51,012,776)    (28,862,626)
                                                  ------------    ------------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL
  SHARE TRANSACTIONS............................    17,945,318      13,739,459
                                                  ------------    ------------
 TOTAL INCREASE IN NET ASSETS...................    22,529,027      22,643,302
NET ASSETS
 Beginning of the period........................  $180,358,956    $202,887,983
                                                  ------------    ------------
 End of the period..............................  $202,887,983    $225,531,285
                                                  ============    ============
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period..............................  $       (939)   $  7,134,301
                                                  ============    ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares.................       489,276         383,696
 Issued in connection with the reinvestment of:
   Distributions from net investment income.....       120,361               0
   Distributions from net realized gain.........        16,902               0
                                                  ------------    ------------
                                                       626,539         383,696
 Redeemed.......................................      (464,412)       (259,744)
                                                  ------------    ------------
 Net change.....................................       162,127         123,952
                                                  ============    ============

- --------------------------------------------------------------------------------
FINANCIAL HIGHLIGHTS (UNAUDITED)
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                    YEAR ENDED DECEMBER 31,                 SIX MONTHS ENDED
                          ------------------------------------------------      JUNE 30,
                            1993      1994      1995      1996      1997          1998
                          --------  --------  --------  --------  --------  ----------------
<S>                       <C>       <C>       <C>       <C>       <C>       <C>
Net Asset Value,
 Beginning of period....  $ 103.47  $ 106.14  $  95.53  $ 108.67  $ 105.63      $ 108.52
                          --------  --------  --------  --------  --------      --------
Income From Investment
 Operations
 Net Investment Income..      5.70      7.05      7.34      7.72      7.43          3.58
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........      7.38    (10.61)    12.85     (2.70)     4.05          1.03
                          --------  --------  --------  --------  --------      --------
 Total From Investment
  Operations............     13.08     (3.56)    20.19      5.02     11.48          4.61
                          --------  --------  --------  --------  --------      --------
Less Distributions
 Distributions From Net
  Investment Income.....     (6.20)    (7.05)    (7.05)    (7.74)    (7.51)         0.00
 Distributions in Excess
  of Net Investment
  Income................     (0.05)     0.00      0.00      0.00      0.00          0.00
 Distributions From Net
  Realized Capital
  Gains.................     (4.16)     0.00      0.00     (0.32)    (1.08)         0.00
                          --------  --------  --------  --------  --------      --------
 Total Distributions....    (10.41)    (7.05)    (7.05)    (8.06)    (8.59)         0.00
                          --------  --------  --------  --------  --------      --------
Net Asset Value, End of
 period.................  $ 106.14  $  95.53  $ 108.67  $ 105.63  $ 108.52      $ 113.13
                          ========  ========  ========  ========  ========      ========
TOTAL RETURN (%)........     12.61     (3.36)    21.20      4.61     10.90          4.25(a)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............      0.43      0.44      0.55      0.52      0.52          0.50(b)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............      6.47      6.75      7.22      7.22      6.97          6.71(b)
Portfolio Turnover Rate
 (%)....................       177        82        73        98        40           106(b)
Net Assets, End of
 period (000)...........  $131,242  $126,234  $162,712  $180,359  $202,888      $225,531
</TABLE>
 
(a) Not computed on an annualized basis.
(b) Computed on an annualized basis.
 
                See accompanying notes to financial statements.

                                                                              87
<PAGE>
 
SALOMON BROTHERS U.S. GOVERNMENT SERIES
PORTFOLIO MANAGER: ROGER LAVAN 
SALOMON BROTHERS ASSET MANAGEMENT INC
 
[PHOTO OF ROGER LAVAN APPEARS HERE] 
 
Q. HOW DID THE SERIES PERFORM DURING THE FIRST HALF OF THE YEAR?
 
A. During the first half of 1998, the Series posted a 3.32% return, just shy
of the 1-10 year Treasury index, which returned 3.4%. The Series also slightly
underperformed the Lipper Variable Products U.S. Mortgage and GNMA Fund
Average, which returned 3.36% over the same period.
 
Q. HOW DID YOU MANAGE THE SERIES DURING THIS PERIOD?
 
A. Due to the economic problems in Asia, we began the year with a fairly con-
structive view of the U.S. fixed income markets. We believed Asia would slow
U.S. economic growth and push inflation lower, which would enable interest
rates, in particular long term rates, to move modestly lower, pushing bond
prices higher during 1998. To take advantage of our expectations for lower in-
terest rates and a flatter yield curve, we strategically moved the Series' as-
sets into longer maturities with an overweight to discount mortgage pass-
throughs.
 
Q. WHAT IS YOUR INVESTMENT OUTLOOK FOR THE MONTHS AHEAD?
 
A. Looking ahead, Asian turmoil appears to have overshadowed faint warnings of
tightening from Federal Reserve Board Chairman Alan Greenspan. Near term, cur-
rent interest rate levels will be difficult to sustain without a significant
pull back in equities or a further sharp rise in the dollar. However, any
backups in yields will likely be met with substantial buying interest. Over-
all, we expect a relatively benign interest rate environment over the next 6-
12 month period. We feel the Series is well positioned to take advantage of
these opportunities if in fact they do occur.
 
 A $10,000 Investment Compared to the Lehman Brothers Intermediate Government
                                Bond Index /4/

                           [LINE GRAPH APPEARS HERE]


  Average Annual Total Return

                  U.S. Gov't    Lipper Variable Products
                    Series        US Mortgage and GNMA
                                     Fund Average/17/

  6 months*          3.3%                3.4%
  1 year             8.9%                9.1%
  3 years            6.8%                7.2%
  Since Inception    8.3%                n/a

  *not annualized

                                                    Lehman Intermediate Govt 
                          Salomon U.S. Govt                Bond Index
              10/31/94          10,000                       10,000
                Dec-94          10,060                        9,989
                Dec-95          11,571                       11,430
                Dec-96          11,955                       11,894
                Dec-97          12,979                       12,832
               6/30/98          13,410                       13,271

 
[X] FUND FACTS
 
GOAL: A high level of current income consistent with the preservation of capital
and maintenance of liquidity.

START DATE: October 31, 1994
 
SIZE: $29 million as of June 30, 1998
 
MANAGERS: Roger Lavan has managed the Series since its inception in 1994. Mr.
Lavan also manages the Salomon Brothers Investment Series--U.S. Government
Income Fund and the North American U.S. Government Securities Fund since January
1992. He joined Salomon Brothers Asset Management Inc in 1990.
 

 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.

 
88
<PAGE>
 
NEW ENGLAND ZENITH FUND
(SALOMON BROTHERS U.S. GOVERNMENT SERIES)

INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
- --------------------------------------------------------------------------------
BONDS & NOTES--89.0% OF TOTAL NET ASSETS
- --------------------------------------------------------------------------------
    FACE
   AMOUNT                                                           VALUE (A)
 
            FEDERAL AGENCY--74.0%
$   300,000 Federal Home Loan Banks
             5.940%, 6/13/00.....................................  $    301,572
    239,343 Federal Home Loan Mortgage
             7.500%, 5/01/07.....................................       244,503
     18,220 Federal Home Loan Mortgage
             6.000%, 10/01/10....................................        18,061
    338,272 Federal Home Loan Mortgage
             7.000%, 7/01/11.....................................       344,827
     51,353 Federal Home Loan Mortgage
             11.750%, 1/01/12....................................        58,222
    500,000 Federal Home Loan Mortgage
             6.500%, 7/01/15.....................................       503,435
    340,121 Federal Home Loan Mortgage
             8.250%, 4/01/17.....................................       356,103
    185,063 Federal Home Loan Mortgage
             9.000%, 10/01/17....................................       195,156
    347,477 Federal Home Loan Mortgage
             8.000%, 12/01/19....................................       359,531
    432,562 Federal Home Loan Mortgage
             10.500%, 6/01/20....................................       483,522
    908,695 Federal Home Loan Mortgage
             8.000%, 7/01/20.....................................       952,231
    900,000 Federal Home Loan Mortgage
             6.247%, 3/17/21.....................................       887,058
    237,001 Federal Home Loan Mortgage
             7.000%, 4/15/21.....................................       239,963
     58,330 Federal Home Loan Mortgage
             6.500%, 5/01/26.....................................        58,166
     55,531 Federal Home Loan Mortgage
             6.500%, 6/01/26.....................................        55,375
    852,021 Federal Home Loan Mortgage
             6.500%, 7/01/26.....................................       849,626
  1,830,000 Federal National Mortgage Association 6.500%,
             1/01/99.............................................     1,840,285
  6,450,000 Federal National Mortgage Association 7.000%,
             1/01/99.............................................     6,540,687
     23,720 Federal National Mortgage Association 14.500%,
             11/15/14............................................        29,169
     14,352 Federal National Mortgage Association
             12.500%, 8/01/15....................................        16,949
     63,897 Federal National Mortgage Association 12.500%,
             9/20/15.............................................        75,458
    569,083 Federal National Mortgage Association 12.000%,
             10/01/15............................................       659,180
     65,654 Federal National Mortgage Association 13.000%,
             11/15/15............................................        78,928
    285,285 Federal National Mortgage Association 12.500%,
             1/01/16.............................................       335,834
     36,339 Federal National Mortgage Association 12.000%,
             1/15/16.............................................        42,869
     20,443 Federal National Mortgage Association 11.500%,
             9/01/19.............................................        23,708
    386,411 Federal National Mortgage Association 6.500%,
             3/01/26.............................................       385,684
    800,000 Federal National Mortgage Association 7.000%,
             5/25/30.............................................       816,000
  3,000,000 Federal National Mortgage Association 6.500%,
             7/01/30.............................................     2,987,790
    127,210 Government National Mortgage Association 9.000%,
             10/20/16............................................       135,875
    236,004 Government National Mortgage Association 9.000%,
             12/15/16..........................................         251,283
    300,000 Student Loan Marketing Association 7.500%, 3/08/00.         308,769
    667,443 U.S. Department of Veteran Affairs
             7.250%, 10/15/10..................................         669,319
                                                                  -------------
                                                                     21,105,138
                                                                  -------------
            U.S. TREASURY--15.0%
    100,000 U.S. Treasury Bonds 6.375%, 8/15/27................         109,812
    200,000 U.S. Treasury Notes 6.500%, 5/31/01................         205,146
  1,400,000 U.S. Treasury Notes 6.625%, 5/15/07................       1,503,194
    850,000 U.S. Treasury Notes 6.125%, 8/15/07................         884,544
    250,000 U.S. Treasury Notes 5.625%, 12/31/02...............         251,033
    600,000 U.S. Treasury Notes 5.750%, 4/30/03................         605,724
    700,000 U.S. Treasury Notes 5.625%, 5/15/08................         709,737
                                                                  -------------
                                                                      4,269,190
                                                                  -------------
            Total Bonds & Notes
             (Identified Cost $25,197,454).....................      25,374,328
                                                                  -------------
 
SHORT-TERM INVESTMENTS--51.8%
 
  2,500,000 Federal Home Loan Bank
             5.400%, 7/1/98....................................       2,500,000
  6,138,000 Repurchase agreement with J.P. Morgan dated 6/30/98
             at 5.48% to be repurchased at $6,138,934 on
             7/01/98 collateralized by $5,831,000 U.S. Treasury
             Bond 8.50% due 11/15/00 with a value of
             $6,261,036........................................       6,138,000
  6,139,000 Repurchase agreement with State Street Corp. dated
             6/30/98 at 5.70% to be repurchased at $6,139,972
             on 7/01/98 collateralized by $5,205,000 U.S.
             Treasury Bond 7.50% due 11/15/16 with a value of
             $6,263,895........................................       6,139,000
                                                                  -------------
            Total Short-Term Investments
             (Identified Cost $14,777,000).....................      14,777,000
                                                                  -------------
            Total Investments--140.9%
             (Identified Cost $39,974,454)(b)..................      40,151,328
            Other assets less liabilities......................    (11,648,660)
                                                                  -------------
            TOTAL NET ASSETS--100%.............................   $  28,502,668
                                                                  =============
(a) See Note 1A.
(b) Federal Tax Information:
  At June 30, 1998 the net unrealized appreciation on investments based on
  cost of $39,974,454 for federal income tax purposes was as follows:
     Aggregate gross unrealized appreciation for all investments in
      which there is an excess of value over tax cost..............  $218,740
     Aggregate gross unrealized depreciation for all investments in
      which there is an excess of tax cost over value..............   (41,866)
                                                                     --------
     Net unrealized appreciation...................................  $176,874
                                                                     ========
 
                See accompanying notes to financial statements.

                                                                              89
<PAGE>
 
NEW ENGLAND ZENITH FUND
(SALOMON BROTHERS U.S. GOVERNMENT SERIES)
- --------------------------------------------------------------------------------
STATEMENT OF ASSETS & LIABILITIES                                        
- --------------------------------------------------------------------------------
JUNE 30, 1998 (UNAUDITED)                                                
                                                                         
ASSETS
 Investments at value..................................              $40,151,328
 Receivable for:
  Fund shares sold.....................................                   41,575
  Dividends and interest...............................                  216,493
 Unamortized organization expense......................                    2,691
                                                                     -----------
                                                                      40,412,087
LIABILITIES
 Payable for:
  Securities purchased.................................  $11,872,965
  Fund shares redeemed.................................        2,397
  Interest payable.....................................        1,573
 Accrued expenses:
  Management fees......................................       17,368
  Deferred trustees' fees..............................        2,420
  Other expenses.......................................       12,696
                                                         -----------
                                                                      11,909,419
                                                                     -----------
                                                                     $28,502,668
                                                                     ===========
NET ASSETS
 Net Assets consist of:
  Capital paid in......................................              $27,477,126
  Undistributed net investment income..................                  752,820
  Accumulated net realized gains.......................                   95,848
  Unrealized appreciation on investments...............                  176,874
                                                                     -----------
NET ASSETS.............................................              $28,502,668
                                                                     ===========
Computation of offering price:
Net asset value and redemption price per share
 ($28,502,668 divided by 2,477,074 shares of beneficial
 interest).............................................              $     11.51
                                                                     ===========
Identified cost of investments.........................              $39,974,454
                                                                     ===========

- --------------------------------------------------------------------------------
STATEMENT OF OPERATIONS       
- --------------------------------------------------------------------------------
SIX MONTHS ENDED JUNE 30, 1998
(UNAUDITED)                    

INVESTMENT INCOME
 Interest..................................................            $839,993
                                                                       --------
EXPENSES
 Management fees...........................................  $ 68,494
 Trustees' fees and expenses...............................     5,892
 Custodian.................................................    10,822
 Audit and tax services....................................     6,322
 Legal.....................................................     2,087
 Printing..................................................     1,993
 Insurance.................................................       478
 Amortization of organization expenses.....................       996
 Miscellaneous.............................................     2,260
                                                             --------
    Total expenses.........................................    99,344
    Less expenses deferred by the investment adviser.......   (12,171)   87,173
                                                             --------  --------
NET INVESTMENT INCOME......................................             752,820
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS
 Realized gain on:
  Investments--net.........................................              98,867
 Unrealized depreciation on:
  Investments--net.........................................             (29,706)
                                                                       --------
Net gain on investment transactions........................              69,161
                                                                       --------
NET INCREASE IN NET ASSETS FROM OPERATIONS.................            $821,981
                                                                       ========
 
                See accompanying notes to financial statements.

90
<PAGE>
 
NEW ENGLAND ZENITH FUND
(SALOMON BROTHERS U.S. GOVERNMENT SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)
 

<TABLE>
<CAPTION>
                                                    YEAR ENDED   SIX MONTHS ENDED
                                                   DECEMBER 31,      JUNE 30,
                                                       1997            1998
                                                   ------------  ----------------
<S>                                                <C>           <C>
FROM OPERATIONS
 Net investment income...........................  $ 1,083,527     $   752,820
 Net realized gain on investments................       78,575          98,867
 Unrealized appreciation (depreciation) on
  investments....................................      227,116         (29,706)
                                                   -----------     -----------
 INCREASE IN NET ASSETS FROM OPERATIONS..........    1,389,218         821,981
                                                   -----------     -----------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income...........................   (1,038,280)              0
 Net realized gain on investments................     (154,231)              0
                                                   -----------     -----------
                                                    (1,192,511)              0
                                                   -----------     -----------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares....................   14,986,752      10,880,854
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income........    1,038,280               0
 Distributions from net realized gain............      154,231               0
                                                   -----------     -----------
                                                    16,179,263      10,880,854
 Cost of shares redeemed.........................   (7,443,287)     (5,343,514)
                                                   -----------     -----------
 INCREASE IN NET ASSETS DERIVED FROM CAPITAL
  SHARE TRANSACTIONS.............................    8,735,976       5,537,340
                                                   -----------     -----------
 TOTAL INCREASE IN NET ASSETS....................    8,932,683       6,359,321
NET ASSETS
 Beginning of the period.........................   13,210,664      22,143,347
                                                   -----------     -----------
 End of the period...............................  $22,143,347     $28,502,668
                                                   ===========     ===========
UNDISTRIBUTED NET INVESTMENT INCOME
 End of the period...............................  $         0     $   752,820
                                                   ===========     ===========
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares..................    1,328,315         960,682
 Issued in connection with the reinvestment of:
 Distributions from net investment income........       93,361               0
 Distributions from net realized gain............       13,834               0
                                                   -----------     -----------
                                                     1,435,510         960,682
 Redeemed........................................     (666,852)       (472,225)
                                                   -----------     -----------
 Net change......................................      768,658         488,457
                                                   ===========     ===========
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                          OCTOBER 31, 1994(A)
                                THROUGH        YEAR    YEAR     YEAR    SIX MONTHS ENDED
                             DECEMBER 31,     ENDED    ENDED    ENDED       JUNE 30,
                                 1994          1995    1996     1997          1998
                          ------------------- ------  -------  -------  ----------------
<S>                       <C>                 <C>     <C>      <C>      <C>
Net Asset Value,
 Beginning of period....        $10.00        $ 9.96  $ 11.04  $ 10.83      $ 11.14
                                ------        ------  -------  -------      -------
Income From Investment
 Operations
 Net Investment Income..          0.10          0.33     0.58     0.53         0.30
 Net Realized and
  Unrealized Gain (Loss)
  on Investments........         (0.04)         1.16    (0.21)    0.40         0.07
                                ------        ------  -------  -------      -------
 Total From Investment
  Operations............          0.06          1.49     0.37     0.93         0.37
                                ------        ------  -------  -------      -------
Less Distributions
 Distributions From Net
  Investment Income.....         (0.10)        (0.33)   (0.56)   (0.53)        0.00
 Distributions From Net
  Realized Capital
  Gains.................          0.00         (0.08)   (0.02)   (0.05)        0.00
 Distributions in Excess
  of Net Realized
  Capital Gains.........          0.00          0.00     0.00    (0.04)        0.00
                                ------        ------  -------  -------      -------
 Total Distributions....         (0.10)        (0.41)   (0.58)   (0.62)        0.00
                                ------        ------  -------  -------      -------
Net Asset Value, End of
 period.................        $ 9.96        $11.04  $ 10.83  $ 11.14      $ 11.51
                                ======        ======  =======  =======      =======
TOTAL RETURN (%)........          0.60(b)      15.02     3.31     8.57         3.32(b)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............          0.70(c)       0.70     0.70     0.70         0.70(c)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............          5.70(c)       5.62     6.13     6.42         6.05(c)
Portfolio Turnover Rate
 (%)....................         1,409(c)        415      388      572          552(c)
Net Assets, End of
 period (000)...........        $2,012        $7,542  $13,211  $22,143      $28,503
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............          2.54(c)       2.90     1.37     0.98         0.80(c)
</TABLE>
 
(a) Commencement of operations.
(b) Not computed on an annualized basis.
(c) Computed on an annualized basis.
 
                See accompanying notes to financial statements.

                                                                              91
<PAGE>
 
BACK BAY ADVISORS MONEY MARKET SERIES
PORTFOLIO MANAGER: JOHN MALONEY 
BACK BAY ADVISORS, L.P.
 
[PHOTO OF JOHN MALONEY APPEARS HERE]
 
Q. HOW DID THE SERIES PERFORM OVER THE PAST 6 MONTHS?
 
A. The Series provided a competitive total return, while maintaining a con-
stant $100.00 per-share price.* For the six months ended June 30, 1998, the
Series produced a total return of 2.55%, which included the reinvestment of
$2.55 per share in dividend distributions. The Series' 7-day yield as of that
date was 5.13%.
 
Q. WHAT WAS THE INTEREST RATE ENVIRONMENT LIKE DURING THE PERIOD?
 
A. The Federal Funds rate--the rate at which banks lend to each other over-
night and the benchmark for short-term interest rates--remained at 5 1/2%
throughout the period. Consequently, with the exception of some temporary
fluctuations, short-term interest rates were relatively stable. With the 1-
year U.S. Treasury bill providing 98% of the yield of the 10-year U.S. Trea-
sury note at the end of the fiscal period, money market investments became
more attractive; they provided the bulk of the income offered by longer-term
bonds with almost none of the risk.
 
Throughout the past 12 months, U.S. economic activity was strong while infla-
tion stayed low. While strong economic growth began to cause investor concern
about future inflation, the evolving economic crisis in Asia heightened expec-
tations that U.S. economic growth would slow, relieving inflationary pres-
sures. We believe that the Federal Reserve Board, by declining to raise short-
term rates during the last six months, recognized the weakening effect of
Asia's difficulties on the United States. Without the influence of Asia, I
think the Federal
Reserve might have raised short-term interest rates as a preemptive strike
against inflation.
 
Q. WHAT STRATEGIES DID YOU USE IN MANAGING THE SERIES?
 
A. I kept a longer average maturity and took advantage of temporary interest
rate fluctuations. When interest rates rose, I invested in securities with
longer maturities to secure higher yields for the Series for an extended pe-
riod of time. Conversely, I invested in securities with shorter maturities
when longer maturities provided little to no yield advantage over shorter ma-
turities. As of June 30, 1998, the Series' average maturity stood at 79 days,
compared to 42.4 days six months ago.
 
Most of the Series' assets were invested in commercial paper, which typically
offered higher yields than other types of money market instruments.
 
Q. WHAT IS YOUR OUTLOOK FOR SHORT-TERM RATES OVER THE NEXT SIX MONTHS?
 
A. I expect short-term interest rates to remain generally steady, with tempo-
rary bouts of fluctuations as periodic economic reports influence investors'
expectations of future monetary policy. I also believe the Federal Reserve
Board will continue to proceed cautiously with interest rate policy, waiting
to see if Asia's problems will sufficiently cool the U.S. economy. With that
outlook, I expect to follow strategies similar to those we used over the last
year, focusing on relative value, taking advantage of selective opportunities
triggered by shifting short-term interest rates and emphasizing high-quality
investments.
 
 
[X] FUND FACTS
 
GOAL: The highest possible level of current income consistent with the
preservation of capital.
 
START DATE: August 1, 1983
 
SIZE: $120 million as of June 30, 1998
 
MANAGER: John Maloney has served as portfolio manager since 1996. Mr. Maloney
also manages the New England Tax Exempt Money Market Trust.
 
*  Money Market funds are neither insured nor guaranteed by the U.S.
   Government. The Series seeks but cannot assure a stable share price of
   $100.00.
 
Performance numbers are net of all Series expenses but do not include any
insurance, sales or administrative charges of variable annuity or life
insurance contracts; if these charges were included, the returns shown would
be lower.
 
This information represents past performance and is not indicative of future
results. Investment return and principal value will fluctuate so that shares,
upon redemption, may be worth more or less than the original cost.
 
92
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MONEY MARKET SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
INVESTMENTS--100.5% OF TOTAL NET ASSETS

<TABLE>
<CAPTION>
    FACE                                         INTEREST MATURITY
   VALUE    DESCRIPTION                            RATE     DATE    VALUE (A)
 <C>        <S>                                  <C>      <C>      <C>
            BANK NOTE--2.1%
 $2,500,000 Morgan Stanley Group..............    5.757%  12/28/98 $  2,501,589
                                                                   ------------
            Total Bank Note (Cost $2,501,589).                        2,501,589
                                                                   ------------
            CERTIFICATES OF DEPOSIT--34.2%
    500,000 Morgan Guaranty Trust New York....    5.800%  07/28/98      499,968
    500,000 Deutsche Bank AG New York.........    5.800%  08/05/98      499,971
  1,000,000 Canadian Imperial.................    5.870%  08/07/98    1,000,008
  1,100,000 Canadian Imperial.................    5.880%  09/02/98    1,100,202
  2,000,000 ABN Amro Bank.....................    5.600%  09/03/98    1,999,775
  2,000,000 Banque National de Paris..........    5.620%  09/09/98    1,999,877
  2,000,000 Deutsche Bank AG New York.........    5.910%  09/14/98    2,000,347
  3,000,000 Svenska Handelsbank AB Public.....    5.580%  09/14/98    2,999,579
  2,000,000 Bank of Nova Scotia...............    5.830%  10/02/98    1,999,984
  1,000,000 Rabobank Nederland NV.............    5.780%  10/05/98      999,932
  2,000,000 Canadian Imperial.................    5.790%  10/06/98    1,999,485
  1,000,000 Societe Generale New York.........    5.770%  10/07/98    1,000,005
  2,000,000 Deutsche Bank AG New York.........    5.850%  10/20/98    2,000,162
  1,500,000 Societe Generale New York.........    5.970%  10/26/98    1,500,732
  2,500,000 Bank of Nova Scotia...............    5.630%  10/27/98    2,499,674
  1,000,000 Societe Generale New York.........    5.970%  10/27/98    1,000,566
  4,400,000 Bank of Montreal..................    5.810%  11/09/98    4,399,627
  1,000,000 Societe Generale New York.........    5.850%  12/17/98    1,000,050
  2,000,000 Swiss Bank New York...............    5.850%  12/18/98    2,000,776
    500,000 Svenska Handelsbank AB Public.....    5.580%  12/22/98      499,686
  4,000,000 Credit Suisse.....................    5.740%  01/07/99    3,997,339
  1,000,000 Societe Generale New York.........    5.730%  01/07/99      999,250
  2,000,000 Rabobank Nederland NV.............    5.430%  01/12/99    1,996,308
  1,000,000 Royal Bank of Canada..............    5.645%  03/09/99      998,849
                                                                   ------------
            Total Certificates of Deposit
             (Cost $40,992,152)...............                       40,992,152
                                                                   ------------
            COMMERCIAL PAPER--64.2%
            ASSET BACKED--2.5%
  3,000,000 Clipper Receivables Corp..........    5.530%  07/10/98    2,995,853
                                                                   ------------
            AUTOMOTIVE--7.5%
    985,000 PACCAR Financial Corp.............    5.520%  07/07/98      984,094
    700,000 American Honda Finance............    5.540%  07/13/98      698,707
    785,000 Ford Motor Credit Corp............    5.650%  07/16/98      783,152
  1,365,000 American Honda Finance............    5.530%  07/20/98    1,361,016
  1,260,000 General Motors Acceptance Corp....    5.480%  07/23/98    1,255,780
  1,000,000 General Motors Acceptance Corp....    5.480%  08/07/98      994,368
  2,000,000 American Honda Finance............    5.520%  08/31/98    1,981,293
    955,000 General Motors Acceptance Corp....    5.510%  09/18/98      943,453
                                                                   ------------
                                                                      9,001,863
                                                                   ------------
            BANKING--9.3%
  1,100,000 Svenska Handelsbanken, Inc........    5.500%  08/21/98    1,091,429
    835,000 Banque National de Paris Canada...    5.460%  09/03/98      826,895
    415,000 Banque National de Paris Canada...    5.500%  09/03/98      410,942
  1,000,000 Banque National de Paris New York.    5.570%  09/30/98      985,920
  1,000,000 Bankers Trust New York............    5.430%  10/05/98      985,520
    500,000 Bankers Trust New York............    5.450%  10/14/98      492,052
</TABLE>
 
                See accompanying notes to financial statements.

                                                                              93
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MONEY MARKET SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
INVESTMENTS--(CONTINUED)

<TABLE>
<CAPTION>
    FACE                                         INTEREST MATURITY
   VALUE    DESCRIPTION                            RATE     DATE    VALUE (A)
 <C>        <S>                                  <C>      <C>      <C>
            BANKING--(CONTINUED)
 $1,000,000 Svenska Handelsbanken, Inc........    5.500%  11/12/98 $    979,528
  4,000,000 Bankers Trust New York............    5.430%  11/23/98    3,912,517
  1,500,000 Banque National de Paris New York.    5.480%  12/15/98    1,461,868
                                                                   ------------
                                                                     11,146,671
                                                                   ------------
            ELECTRONICS--0.5%
    575,000 Motorola, Inc.....................    5.520%  07/14/98      573,854
                                                                   ------------
            FINANCE--12.1%
    600,000 Beneficial Corp...................    5.500%  07/14/98      598,808
  1,500,000 General Electric Capital Corp.....    5.490%  07/17/98    1,496,340
  1,415,000 Avco Financial Services, Inc......    5.520%  07/20/98    1,410,878
  2,000,000 General Electric Capital Corp.....    5.650%  07/24/98    1,992,781
  1,000,000 Beneficial Corp...................    5.530%  08/31/98      990,630
    500,000 General Electric Capital Corp.....    5.520%  09/02/98      495,170
  2,000,000 Beneficial Corp...................    5.520%  09/04/98    1,980,067
  2,340,000 Avco Financial Services, Inc......    5.510%  09/25/98    2,309,199
  1,200,000 Avco Financial Services, Inc......    5.520%  10/05/98    1,182,336
    725,000 Avco Financial Services, Inc......    5.520%  10/19/98      712,771
  1,400,000 General Electric Capital Corp.....    5.470%  11/16/98    1,370,644
                                                                   ------------
                                                                     14,539,624
                                                                   ------------
            INSURANCE--4.3%
  2,300,000 Prudential Funding Corp...........    5.520%  07/09/98    2,297,179
  1,870,000 Prudential Funding Corp...........    5.530%  07/10/98    1,867,415
  1,000,000 Prudential Funding Corp...........    5.490%  11/16/98      978,955
                                                                   ------------
                                                                      5,143,549
                                                                   ------------
            LEASING--1.8%
  2,205,000 PHH Corp..........................    6.350%  07/01/98    2,205,000
                                                                   ------------
            RETAIL--8.0%
    500,000 Dillard Investment Co.............    5.670%  07/07/98      499,527
  1,500,000 Dillard Investment Co.............    5.670%  07/13/98    1,497,165
  1,350,000 Dillard Investment Co.............    5.700%  07/13/98    1,347,435
  1,100,000 Sears Roebuck Acceptance Corp.....    5.530%  07/21/98    1,096,621
  3,185,000 J.C. Penney Funding Corp..........    5.540%  08/03/98    3,168,826
  1,970,000 Sears Roebuck Acceptance Corp.....    5.520%  08/04/98    1,959,730
                                                                   ------------
                                                                      9,569,304
                                                                   ------------
            SECURITIES--15.7%
  1,210,000 J.P. Morgan & Co..................    5.520%  07/06/98    1,209,072
  1,710,000 Lehman Brothers, Inc..............    5.550%  07/08/98    1,708,155
    165,000 Lehman Brothers, Inc..............    5.650%  07/15/98      164,637
  1,025,000 J.P. Morgan & Co..................    5.550%  07/17/98    1,022,472
  2,000,000 Lehman Brothers, Inc..............    5.520%  07/22/98    1,993,560
  2,000,000 Merrill Lynch.....................    5.520%  08/14/98    1,986,507
  1,000,000 Lehman Brothers, Inc..............    5.560%  08/25/98      991,505
    500,000 Merrill Lynch.....................    5.520%  09/11/98      494,480
    500,000 Lehman Brothers, Inc..............    5.550%  09/11/98      494,450
    705,000 Merrill Lynch.....................    5.480%  09/18/98      696,522
  4,655,000 Goldman Sachs Group...............    5.500%  10/08/98    4,584,593
  1,000,000 Merrill Lynch.....................    5.520%  10/09/98      984,666
</TABLE>
 
                See accompanying notes to financial statements.

94
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MONEY MARKET SERIES)
 
INVESTMENTS AS OF JUNE 30, 1998 (UNAUDITED)
 
INVESTMENTS--(CONTINUED)

<TABLE>
<CAPTION>
    FACE                                         INTEREST MATURITY
   VALUE    DESCRIPTION                            RATE     DATE    VALUE (A)
 <C>        <S>                                  <C>      <C>      <C>
            SECURITIES--(CONTINUED)
 $1,000,000 Goldman Sachs Group...............    5.500%  10/09/98 $    984,722
    800,000 Merrill Lynch.....................    5.520%  10/26/98      785,648
    660,000 Merrill Lynch.....................    5.490%  11/16/98      646,110
                                                                   ------------
                                                                     18,747,099
                                                                   ------------
            TELECOMMUNICATION--2.5%
  3,000,000 Bell Atlantic Financial Services..    5.520%  07/06/98    2,997,700
                                                                   ------------
            Total Commercial Paper (Cost
             $76,920,517).....................                       76,920,517
                                                                   ------------
            Total Investments--100.5% (Cost
             $120,414,258)(b).................                      120,414,258
            Other assets less liabilities.....                        (523,967)
                                                                   ------------
            TOTAL NET ASSETS--100%............                     $119,890,291
                                                                   ============
</TABLE>


                See accompanying notes to financial statements.

 
(a) See Note 1A
(b) The aggregate cost for federal income tax purposes was $120,414,258
 
                                                                              95
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MONEY MARKET SERIES)
 
STATEMENT OF ASSETS & LIABILITIES         
JUNE 30, 1998 (UNAUDITED)                 
                                          
 

<TABLE>
<S>                                                     <C>        <C>
ASSETS
 Investments at value.................................             $120,414,258
 Cash.................................................                    2,778
 Receivable for:
 Fund shares sold.....................................                  928,782
 Dividends and interest...............................                1,299,882
                                                                   ------------
                                                                    122,645,700
LIABILITIES
 Payable for:
 Fund shares redeemed.................................  $2,644,552
 Withholding taxes....................................      23,792
 Accrued expenses:
 Management fees......................................      34,769
 Deferred trustees' fees..............................      30,934
 Other expenses.......................................      21,362
                                                        ----------
                                                                      2,755,409
                                                                   ------------
                                                                   $119,890,291
                                                                   ============
NET ASSETS
 Net Assets consist of:
 Capital paid in......................................             $119,890,291
                                                                   ------------
NET ASSETS............................................             $119,890,291
                                                                   ============
Computation of offering price:
Net asset value and redemption price per share
 ($119,890,291 divided by 1,198,903 shares of
 beneficial interest).................................             $     100.00
                                                                   ============
Cost of investments...................................             $120,414,258
                                                                   ============
</TABLE>
<TABLE>

STATEMENT OF OPERATIONS      
SIX MONTHS ENDED JUNE 30, 1998 (UNAUDITED)       

<S>                                                          <C>      <C>

INVESTMENT INCOME
 Interest..................................................           $3,219,849
EXPENSES
 Management fees...........................................  $199,540
 Trustees' fees and expenses...............................     8,678
 Custodian.................................................    37,019
 Audit and tax services....................................     8,502
 Legal.....................................................    10,300
 Printing..................................................    15,230
 Insurance.................................................     2,054
 Miscellaneous.............................................     3,733
                                                             --------
  Total expenses...........................................              285,056
                                                                      ----------
NET INVESTMENT INCOME......................................            2,934,793
                                                                      ----------
NET INCREASE IN NET ASSETS FROM OPERATIONS.................           $2,934,793
                                                                      ==========
</TABLE>
 

                See accompanying notes to financial statements.


96
<PAGE>
 
NEW ENGLAND ZENITH FUND
(BACK BAY ADVISORS MONEY MARKET SERIES)
 
STATEMENT OF CHANGES IN NET ASSETS (UNAUDITED)

<TABLE>
<CAPTION>
                                                   YEAR ENDED   SIX MONTHS ENDED
                                                  DECEMBER 31,      JUNE 30,
                                                      1997            1998
                                                  ------------  ----------------
<S>                                               <C>           <C>
FROM OPERATIONS
 Net investment income..........................  $  6,038,343    $  2,934,793
                                                  ------------    ------------
 INCREASE IN NET ASSETS FROM OPERATIONS.........     6,038,343       2,934,793
                                                  ------------    ------------
FROM DISTRIBUTIONS TO SHAREHOLDERS
 Net investment income..........................    (6,038,343)     (2,934,793)
                                                  ------------    ------------
                                                    (6,038,343)     (2,934,793)
                                                  ------------    ------------
FROM CAPITAL SHARES TRANSACTIONS
 Proceeds from sale of shares...................   314,876,956     177,081,139
 Net asset value of shares issued in connection
  with the reinvestment of:
 Distributions from net investment income.......     6,003,198       2,885,123
                                                  ------------    ------------
                                                   320,880,154     179,966,262
 Cost of shares redeemed........................  (326,870,348)   (171,084,496)
                                                  ------------    ------------
 INCREASE (DECREASE) IN NET ASSETS DERIVED FROM
  CAPITAL SHARE TRANSACTIONS....................    (5,990,194)      8,881,766
                                                  ------------    ------------
 TOTAL INCREASE (DECREASE) IN NET ASSETS........    (5,990,194)      8,881,766
NET ASSETS
 Beginning of the period........................   116,998,719     111,008,525
                                                  ------------    ------------
 End of the period..............................  $111,008,525    $119,890,291
                                                  ============    ============
NUMBER OF SHARES OF THE FUND:
 Issued from the sale of shares.................     3,148,769       1,770,811
 Issued in connection with the reinvestment of:
 Distributions from net investment income.......        60,032          28,852
                                                  ------------    ------------
                                                     3,208,801       1,799,663
 Redeemed.......................................    (3,268,703)     (1,710,845)
                                                  ------------    ------------
 Net change.....................................       (59,902)         88,818
                                                  ============    ============
</TABLE>
 
FINANCIAL HIGHLIGHTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                   YEAR ENDED DECEMBER 31,               SIX MONTHS ENDED
                          ---------------------------------------------      JUNE 30,
                           1993     1994     1995      1996      1997          1998
                          -------  -------  -------  --------  --------  ---------------- 
<S>                       <C>      <C>      <C>      <C>       <C>       <C>              
Net Asset Value,
 Beginning of period....  $100.00  $100.00  $100.00  $ 100.00  $ 100.00      $ 100.00
                          -------  -------  -------  --------  --------      --------
Income From Investment
 Operations
 Net Investment Income..     2.93     3.89     5.50      4.99      5.08          2.55
                          -------  -------  -------  --------  --------      --------
 Total From Investment
  Operations............     2.93     3.89     5.50      4.99      5.08          2.55
Distributions From Net
 Investment Income......    (2.93)   (3.89)   (5.50)    (4.99)    (5.08)        (2.55)
                          -------  -------  -------  --------  --------      --------
 Total Distributions....    (2.93)   (3.89)   (5.50)    (4.99)    (5.08)        (2.55)
                          -------  -------  -------  --------  --------      --------
Net Asset Value, End of
 period.................  $100.00  $100.00  $100.00  $ 100.00  $ 100.00      $ 100.00
                          =======  =======  =======  ========  ========      ========
TOTAL RETURN (%)........     2.97     4.01     5.64      5.11      5.20          2.55(a)
Ratio of Operating
 Expenses to Average Net
 Assets (%).............     0.38     0.40     0.50      0.50      0.45          0.50(b)
Ratio of Net Investment
 Income to Average Net
 Assets (%).............     2.93     3.89     5.50      4.99      5.21          5.15(b)
Net Assets, End of
 period (000)...........  $59,044  $73,960  $90,148  $116,999  $111,009      $119,890
The ratios of expenses
 to average net assets
 without giving effect
 to the voluntary
 expense agreement
 described in Note 4 to
 the Financial
 Statements would have
 been (%)...............       --       --     0.51      0.50        --            --
</TABLE>
 

                See accompanying notes to financial statements.


(a) Not computed on an annualized basis.
(b) Computed on an annualized basis.
 
                                                                              97
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)
 
1. New England Zenith Fund (the "Fund") is organized as a Massachusetts
business trust under the laws of the Commonwealth of Massachusetts pursuant to
an Agreement and Declaration of Trust dated December 16, 1986. The Fund
succeeded to the operations of The New England Zenith Fund, Inc. on February
27, 1987. The Fund is registered under the Investment Company Act of 1940, as
amended, as a diversified, open-end management investment company.
 
Shares in the Fund are not offered directly to the general public and are
currently available only to certain separate accounts of Metropolitan Life
Insurance Company ("MetLife") and New England Life Insurance Company
("NELICO"), a subsidiary of MetLife, as an investment vehicle for variable
life insurance or variable annuity products, although not all Series are
available to all such separate accounts.
 
The Fund's Agreement and Declaration of Trust permits the issuance of an
unlimited number of shares of beneficial interest, no par value, in separate
Series, with shares of each Series representing interests in a separate
portfolio of assets. Each Series is separately managed and has its own
investment objective and policies. Each Series (or its predecessor) commenced
operations on the date set forth below:
 
<TABLE>
<S>                         <C>
Back Bay Advisors Bond
 Income Series............. August 26, 1983
Capital Growth Series...... August 26, 1983
Back Bay Advisors Money
 Market Series............. August 26, 1983
Westpeak Stock Index
 Series.................... March 30, 1987
Back Bay Advisors Managed
 Series.................... May 1, 1987
Goldman Sachs Midcap Value
 Series.................... April 30, 1993
Westpeak Growth and Income
 Series.................... April 30, 1993
</TABLE>
<TABLE>
<S>                         <C>
Loomis Sayles Small Cap
 Series...................  May 2, 1994
Loomis Sayles Balanced
 Series...................  October 31, 1994
Morgan Stanley
 International Magnum
 Equity Series............  October 31, 1994
Salomon Brothers U.S.
 Government Series........  October 31, 1994
Salomon Brothers Strategic
 Bond Opportunities
 Series...................  October 31, 1994
Davis Venture Value
 Series...................  October 31, 1994
Alger Equity Growth
 Series...................  October 31, 1994
</TABLE>
 
The following is a summary of significant accounting policies followed by the
Fund in the preparation of the Financial Statements of the Series. The
policies are in conformity with generally accepted accounting principles for
investment companies. The preparation of financial statements in accordance
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the reported amounts and disclosures in
the financial statements. Actual results could differ from those estimates.
 
A.SECURITY VALUATION
 
  BACK BAY ADVISORS MONEY MARKET SERIES--The Back Bay Advisors Money Market
  Series employs the amortized cost method of security valuation which, in
  the opinion of the Board of Trustees, approximates the fair market value of
  the particular security. The Board monitors the deviations between the
  Series' net asset value per share, as determined by using available market
  quotations, and its amortized cost price per share. If the deviation
  exceeds 1/2 of 1%, the Board will consider what action, if any, should be
  initiated.
 
  OTHER SERIES--Debt securities (other than short term obligations with a
  remaining maturity of less than sixty days) are valued on the basis of
  valuations furnished by independent pricing services authorized by the
  Board of Trustees. Short term obligations with a remaining maturity of less
  than sixty days are stated at amortized cost, which approximates market
  value. Equity securities are valued using the last reported sale price for
  securities listed on a securities exchange or on the NASDAQ National Market
  System, or, if no sale was reported and in the case of over-the-counter
  securities not so listed, the last reported bid price. Securities and
  assets for which market quotations are not available are valued at their
  fair value as determined in good faith by the Fund's advisers and
  subadvisers, under the supervision of the Board of Trustees.
 
B. FOREIGN CURRENCY TRANSLATION--The books and records of the Fund are
   maintained in U.S. dollars. The values of securities, currencies and other
   assets and liabilities denominated in currencies other than U.S. dollars
   are translated into U.S. dollars based upon foreign exchange rates
   prevailing at the end of the period. Purchases and sales of investment
   securities, income and expenses are translated on the respective dates of
   such transactions.
 
98
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
 
  Since the values of investment securities are presented at the foreign
  exchange rates prevailing at the end of the period, it is not practical to
  isolate that portion of the results of operations arising from changes in
  exchange rates from that portion of the results of operations reflecting
  fluctuations arising from changes in market prices of the investment
  securities. Such fluctuations are included with the net realized and
  unrealized gain or loss on investments.
 
  Net realized foreign exchange gains or losses arise from sales of foreign
  currency, currency gains or losses realized between the trade and
  settlement dates on securities transactions, and the difference between the
  amounts of dividends, interest, and foreign withholding taxes recorded on
  the Fund's books and the U.S. dollar equivalent of the amounts actually
  received or paid. Net unrealized foreign exchange gains and losses arise
  from changes in the value of assets and liabilities, other than investment
  securities, resulting from changes in the exchange rate.
 
  FORWARD FOREIGN CURRENCY CONTRACTS. The Fund may use foreign currency
  contracts to facilitate transactions in foreign securities and to manage
  the Fund's currency exposure. Contracts to buy generally are used to
  acquire exposure to foreign currencies, while contracts to sell are used to
  hedge the Fund's investments against currency fluctuations. Also, a
  contract to buy or sell can offset a previous contract. These contracts
  involve market risk in excess of the unrealized gain or loss reflected in
  the Fund's Statements of Assets and Liabilities. The U.S. dollar value of
  the currencies the Fund has committed to buy or sell is shown in the
  Schedules of Investments under the caption "Forward Contracts Outstanding."
  This amount represents the aggregate exposure to each currency the Fund has
  acquired or hedged through currency contracts at period end. Losses may
  arise from changes in the value of the foreign currency or if the
  counterparties do not perform under the contract's terms. The U.S. dollar
  value of forward foreign currency contracts is determined using forward
  currency exchange rates supplied by a quotation service.
 
  All contracts are "marked-to-market" daily at the applicable translation
  rates, and any gains or losses are recorded for financial statement
  purposes as unrealized until settlement date. Risks may arise upon entering
  into these contracts from the potential inability of counterparties to meet
  the terms of their contracts and from unanticipated movements in the value
  of a foreign currency relative to the U.S. dollar.
 
C. SECURITY TRANSACTIONS AND RELATED INVESTMENT INCOME--Security transactions
   are accounted for on the trade date (date the order to buy or sell is
   executed). Dividend income is recorded on the ex-dividend date and interest
   income is recorded on the accrual basis. In determining gain or loss on
   securities sold, the cost of securities has been determined on the
   identified cost basis.
 
D. FUTURES CONTRACTS--The Westpeak Growth and Income, Goldman Sachs Midcap
   Value, Westpeak Stock Index, Back Bay Advisors Managed, Loomis Sayles
   Balanced, Morgan Stanley International Magnum Equity, Salomon Brothers U.S.
   Government, Salomon Brothers Strategic Bond Opportunities and Davis Venture
   Value Series each may enter into futures contracts on the S&P 500 Index or
   other indices of stocks or on interest-bearing securities or indices
   thereof, to hedge against changes in the values of securities the Series
   owns or expects to purchase or, in the case of Goldman Sachs Midcap Value
   Series, to increase total return. Upon entering into a futures contract,
   the Series is required to deposit with a broker an amount ("initial
   margin") equal to a certain percentage of the purchase price indicated in
   the futures contract. Subsequent payments ("variation margin") are made or
   received by the Series each day, dependent on the daily fluctuations in the
   value of the underlying security or index, and are recorded for financial
   reporting purposes as unrealized gains or losses by the Series. When
   entering into a closing transaction, the Series will realize, for book
   purposes, a gain or loss equal to the difference between the value of the
   futures contract to sell and the futures contract to buy. Futures contracts
   are valued at the most recent settlement price, unless such price does not
   reflect the fair market value of the contract, in which case the position
   will be valued by or under the supervision of the Board of Trustees.
   Certain risks are associated with investments in futures contracts,
   including risk of imperfect correlation between the value of a position in
   futures contracts and the value of the stocks or bonds that the Series is
   attempting to hedge. In addition, there is a risk that the Series may not
   be able to close out its futures positions due to an illiquid secondary
   market.
 
E. REPURCHASE AGREEMENTS--The Series, through their custodian, receive
   delivery of the underlying securities collateralizing repurchase
   agreements. It is the Series' policy that the market value of the
   collateral be at least equal
 
                                                                             99
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
   to 100% of the repurchase price. Each Series' adviser or subadviser is
   responsible for determining that the value of the collateral is at all
   times at least equal to the repurchase price. In connection with
   transactions in repurchase agreements, if the seller defaults and the value
   of the collateral declines or if the seller enters an insolvency
   proceeding, realization of the collateral by the Series may be delayed or
   limited.
 
  The Goldman Sachs Midcap Value Series, together with other registered
  investment companies having advisory agreements with Goldman Sachs Asset
  Management or its affiliates, transfer uninvested cash into joint accounts,
  the daily aggregate balance of which is invested in one or more repurchase
  agreements. The underlying securities for the repurchase agreements are
  U.S. Treasury and agency obligations. At June 30, 1998, the Goldman Sachs
  Midcap Value Series had undivided interests in the repurchase agreements in
  the following joint account which equaled $9,900,000, in principal amount.
  At June 30, 1998, the repurchase agreement in the joint account along with
  the corresponding underlying securities (including the type of security,
  market value, interest rate and maturity date) were as follows:
 
 
<TABLE>
<CAPTION>
                               PRINCIPAL   INTEREST  MATURITY    AMORTIZED
                                 AMOUNT      RATE      DATE         COST
- -----------------------------------------------------------------------------
<S>                           <C>          <C>      <C>        <C>
LEHMAN BROTHERS, INC.,        $300,000,000   6.00%  07/01/1998 $  300,000,000
dated 06/30/98, repurchase
 price $300,050,000 (total
 collateral value
 $305,999,913 consisting of
 FHLMC: 6.00%-10.50%,
 09/01/98-06/01/28; FNMA:
 6.00%-12.00%, 12/01/00-
 08/01/26)
- -----------------------------------------------------------------------------
LEHMAN BROTHERS, INC.,        $270,000,000   5.85%  07/01/1998 $  270,000,000
dated 06/30/98, repurchase
 price $270,043,875 (total
 collateral value
 $275,398,468 consisting of
 FHLMC: 5.50%-12.00%,
 10/01/98-11/01/27; FNMA:
 6.29%-9.50%, 05/01/02-
 07/01/25)
- -----------------------------------------------------------------------------
SALOMON-SMITH BARNEY,         $264,400,000   5.75%  07/01/1998 $  264,400,000
dated 06/30/98, repurchase
 price $264,442,231 (total
 collateral value
 $269,848,754 consisting of
 U.S. Treasury Stripped
 Interest Only Security:
 05/14/04; U.S. Treasury
 Stripped Principal
 Securities: 7.50%-8.75%,
 08/15/00-11/15/01)
- -----------------------------------------------------------------------------
CIBC OPPENHEIMER, INC.,       $250,000,000   5.70%  07/01/1998 $  250,000,000
dated 06/30/98, repurchase
 price $250,039,589 (total
 collateral value
 $255,475,165 consisting of
 FHLMC: 7.00%, 12/01/27)
- -----------------------------------------------------------------------------
TOTAL JOINT REPURCHASE
 AGREEMENT ACCOUNT                                             $1,084,400,000
- -----------------------------------------------------------------------------
</TABLE>
 
F. SHORT SALES AGAINST THE BOX--The Alger Equity Growth, Morgan Stanley
   International Magnum Equity and Goldman Sachs Midcap Value Series may hedge
   against changes in the value of investments by engaging in short sales
   against the box. In a short sale against the box, the Series' sells a
   borrowed security, while at the same time either owning an identical
   security or having the right to obtain such a security. By selling short
   against the box the equity underlying one of its convertible holdings, the
   Series would seek to offset the effect that a decline in the underlying
   equity might have on the value of the convertible security. While the short
   sale is outstanding, the Series will not dispose of the security hedged by
   the short sale. The Series is required to establish a margin account with
   the broker lending the security sold short. While the short sale is
   outstanding, the broker retains the proceeds of the short sale and the
   Series instructs the custodian to maintain in a separate account securities
   having a value at least equal to the amount of the securities sold short.
   The Series had no such transactions during the period ended June 30, 1998.
 
G. REVERSE REPURCHASE AGREEMENTS--The Salomon Brothers U.S. Government and
   Salomon Brothers Strategic Bond Opportunities Series may enter into reverse
   repurchase agreements with qualified, third party broker-dealers as
   determined by and under the direction of the Fund's Board of Trustees.
   Interest on the value of reverse repurchase agreements issued and
   outstanding will be based upon competitive market rates at the time of
   issuance. At the time a Series enters into a reverse repurchase agreement,
   it will establish and maintain a segregated account with the buyer, the
   value of which at least equals the principal amount of the reverse
   repurchase transactions including accrued interest. At June 30, 1998, there
   were no open reverse repurchase agreements.
 
100
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
 
H. FEDERAL TAXES--Each Series, which is a separate taxable entity, intends to
   meet the requirements of the Internal Revenue Code applicable to regulated
   investment companies and to distribute to its shareholders all of its
   taxable income and any net realized capital gains at least annually.
   Accordingly, no provision for federal income tax has been made.
 
I. DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS--Back Bay Advisors Money Market
   Series dividends are declared daily to shareholders of record at the time
   and are paid monthly. Dividends and distributions are recorded by all other
   Series on the ex-dividend date. Net realized gains from security
   transactions are distributed at least annually to shareholders. The timing
   and characterization of certain income and capital gains distributions are
   determined in accordance with federal tax regulations which may differ from
   generally accepted accounting principles. Permanent book and tax basis
   differences relating to shareholder distributions will result in
   reclassification to paid in capital. These differences primarily relate to
   tax equalization, investments in mortgage backed securities and investments
   in foreign securities.
 
J. OTHER--The Back Bay Advisors Money Market Series invests primarily in a
   portfolio of money market instruments maturing in 397 days or less whose
   ratings are within the two highest ratings categories by a nationally
   recognized rating agency or, if not rated, are believed to be of comparable
   quality. The weighted average maturity of the Series is less than ninety
   days. The ability of the issuers of the securities held by the Series to
   meet their obligations may be affected by foreign economic, political and
   legal developments in the case of foreign banks or of foreign branches or
   subsidiaries of U.S. banks or domestic economic developments in a specific
   industry, state or region.
 
2. At June 30, 1998, MetLife held 29,334,625 shares in separate investment
accounts for annuity contracts issued by MetLife. NELICO held the remaining
38,457,191 shares then outstanding in separate investment accounts for
variable life insurance and variable annuity contracts issued by NELICO.
 
As long as MetLife owns (directly or through NELICO) more than 25% of the
Fund's outstanding shares, it will be presumed to be in control (as that term
is defined by the Investment Company Act of 1940, as amended) of the Fund.
 
3. For the six months ended June 30, 1998, purchases and sales of securities
(excluding short-term investments) for each of the Series were as follows:
 
<TABLE>
<CAPTION>
                                    PURCHASES                        SALES
                          ------------------------------ ------------------------------
         SERIES           U.S. GOVERNMENT     OTHER      U.S. GOVERNMENT     OTHER
         ------           --------------- -------------- --------------- --------------
<S>                       <C>             <C>            <C>             <C>
Loomis Sayles Small Cap.        --        $  134,146,659       --        $   97,013,115
Morgan Stanley
 International Magnum
 Equity.................        --            17,133,496       --             9,395,811
Alger Equity Growth.....        --           136,838,743       --           102,133,577
Capital Growth..........        --         1,689,447,429       --         1,696,036,976
Goldman Sachs Midcap
 Value..................        --           142,136,503       --           145,141,489
Davis Venture Value.....        --            85,642,133       --            15,966,059
Westpeak Growth and
 Income.................        --           118,486,649       --            85,119,928
Westpeak Stock Index....        --            12,625,219       --               970,273
Loomis Sayles Balanced..    $27,356,822       50,879,657   $20,750,692       29,782,877
Back Bay Advisors
 Managed................        --            20,860,403       151,921       17,414,200
Salomon Brothers
 Strategic Bond
 Opportunities..........     82,721,943       40,618,447    81,007,911       26,091,323
Back Bay Advisors Bond
 Income.................     20,957,190      108,649,927    32,745,946       74,808,153
Salomon Brothers U.S.
 Government.............     65,531,967         --          58,948,975         --
</TABLE>
 
Purchases and sales of short-term obligations for the Back Bay Advisors Money
Market Series aggregated $61,887,294 and $59,224,439, respectively.
 
                                                                            101
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
 
4. MANAGEMENT FEES.
 
TNE Advisers, Inc. ("TNE Advisers") acts as adviser to all of the Series
except the Capital Growth Series, for which Capital Growth Management Limited
Partnership ("CGM") serves as adviser. Separate advisory agreements for each
Series provide for management fees payable by the Series as set forth below:
 
<TABLE>
<CAPTION>
                               MANAGEMENT
                              FEES EARNED         ANNUAL
                          BY TNE ADVISERS FOR   PERCENTAGE                BASED ON
                          THE SIX MONTHS ENDED RATES PAID TO    SERIES AVERAGE DAILY NET ASSET
         SERIES              JUNE 30, 1998        ADVISER                VALUE LEVELS
         ------           -------------------- ------------- ------------------------------------
<S>                       <C>                  <C>           <C>
Loomis Sayles Small Cap        $1,111,006          1.00%     of all assets
 Series.................
Morgan Stanley                    271,071          0.90%     of all assets
 International Magnum
 Equity Series..........
Alger Equity Growth               907,513          0.75%     of all assets
 Series.................
Loomis Sayles Avanti              283,565          0.70%     of the first $200 million
 Growth Series(a).......                           0.65%     of the next $300 million
 (Period January 1, 1998                           0.60%     of amounts in excess of $500 million
 through April 30, 1998)
Goldman Sachs Midcap              161,839          0.75%     of all assets
 Value Series(a)........
 (Period May 1, 1998
 through June 30, 1998)
Davis Venture Value             1,250,798          0.75%     of all assets
 Series.................
Westpeak Growth and               645,414          0.70%     of the first $200 million
 Income Series..........                           0.65%     of the next $300 million
                                                   0.60%     of amounts in excess of $500 million
Westpeak Stock Index              179,584          0.25%     of all assets
 Series.................
Loomis Sayles Balanced            538,139          0.70%     of all assets
 Series.................
Back Bay Managed Series.          499,478          0.50%     of all assets
Salomon Brothers                  259,514          0.65%     of all assets
 Strategic Bond
 Opportunities Series...
Back Bay Advisors Bond            425,060          0.40%     of the first $400 million
 Income Series..........                           0.35%     of the next $300 million
                                                   0.30%     of the next $300 million
                                                   0.25%     of amounts in excess of $1 billion
Salomon Brothers U.S.              68,494          0.55%     of all assets
 Government Series......
Back Bay Advisors Money           199,540          0.35%     of the first $500 million
 Market Series..........                           0.30%     of the next $500 million
                                                   0.25%     of amounts in excess of $1 billion
</TABLE>
- -------
(a) Effective May 1, 1998 the Loomis Sayles Avanti Growth Series was renamed
    Goldman Sachs Midcap Value Series and a new advisory agreement between the
    Fund and TNE Advisers went into effect. The fees paid to TNE Advisers
    before and after this change, taken together, equal the total management
    fees paid by the Series for the six months ended June 30, 1998.
 
102
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
 
  The Capital Growth Series pays its adviser, CGM, a management fee at an
annual rate of 0.70% of the first $200 million of average net assets, 0.65% of
the next $300 million of such assets, 0.60% of the next $1.5 billion of such
assets and 0.55% of such assets in excess of $2 billion. For advisory services
rendered during the six months ended June 30, 1998, CGM was paid at an average
annual rate of 0.62% of the Capital Growth Series' average net assets,
totaling $5,008,427.
 
  SUB-ADVISORY FEES. TNE Advisers has sub-contracted day-to-day portfolio
management responsibilities for the Series to each of the following sub-
advisers: Loomis, Sayles & Company, L.P. ("Loomis Sayles") for the Loomis
Sayles Small Cap, Loomis Sayles Avanti Growth (for the period January 1, 1998
through April 30, 1998) and Loomis Sayles Balanced Series, Goldman Sachs Asset
Management ("GSAM") for the Goldman Sachs Midcap Value Series (effective
May 1, 1998); Morgan Stanley Asset Management Inc. ("MSAM") for the Morgan
Stanley International Magnum Equity Series; Fred Alger Management, Inc.
("Alger") for the Alger Equity Growth Series; Davis Selected Advisers, L.P.
("Davis") for the Davis Venture Value Series; Westpeak Investment Advisors,
L.P. ("Westpeak") for the Westpeak Growth and Income and Westpeak Stock Index
Series; Back Bay Advisors, L.P. ("Back Bay Advisors") for the Back Bay
Advisors Managed, Back Bay Advisors Bond Income and Back Bay Advisors Money
Market Series and Salomon Brothers Asset Management Inc for the Salomon
Brothers Strategic Bond Opportunities and Salomon Brothers U.S. Government
Series. TNE Advisers pays each sub-adviser at the following rates for
providing sub-advisory services to the Series:
 
<TABLE>
<CAPTION>
                             FEES EARNED         ANNUAL
                         BY SUB-ADVISERS FOR   PERCENTAGE                BASED ON
                         THE SIX MONTHS ENDED RATES PAID TO    SERIES AVERAGE DAILY NET ASSET
         SERIES             JUNE 30, 1998      SUB-ADVISER              VALUE LEVELS
         ------          -------------------- ------------- ------------------------------------
<S>                      <C>                  <C>           <C>
Loomis Sayles Small Cap        $524,863           0.55%     of the first $25 million
 Series.................
                                                  0.50%     of the next $75 million
                                                  0.45%     of the next $100 million
                                                  0.40%     of amounts in excess of $200 million
Morgan Stanley                  203,030           0.75%     of the first $30 million
 International Magnum
 Equity Series..........
 
                                                  0.60%     of the next $40 million
                                                  0.45%     of the next $30 million
                                                  0.40%     of amounts in excess of $100 million
Alger Equity Growth             508,801           0.45%     of the first $100 million
 Series.................
                                                  0.40%     of the next $400 million
                                                  0.35%     of amounts in excess of $500 million
Loomis Sayles Avanti            166,438           0.50%     of the first $25 million
 Growth Series(a).......
 (Period January 1, 1998
 through April 30, 1998)
                                                  0.40%     of the next $75 million
                                                  0.35%     of the next $100 million
                                                  0.30%     of amounts in excess of $200 million
Goldman Sachs Midcap             94,670           0.45%     of the first $100 million
 Value Series(a)........
 (Period May 1, 1997
 through June 30, 1998)
                                                  0.40%     of the next $400 million
                                                  0.35%     of amounts in excess of $500 million
Davis Venture Value             691,886           0.45%     of the first $100 million
 Series.................
                                                  0.40%     of the next $400 million
                                                  0.35%     of amounts in excess of $500 million
Westpeak Growth and
 Income Series..........        359,626           0.50%     of the first $25 million
                                                  0.40%     of the next $75 million
                                                  0.35%     of the next $100 million
                                                  0.30%     of amounts in excess of $200 million
Westpeak Stock Index
 Series.................         71,833           0.10%     of all assets
Loomis Sayles Balanced
 Series.................        292,617           0.50%     of the first $25 million
                                                  0.40%     of the next $75 million
                                                  0.30%     of amounts in excess of $100 million
Back Bay Advisors
 Managed Series.........        212,190           0.25%     of the first $50 million
                                                  0.20%     of amounts in excess of $50 million
Salomon Brothers
 Strategic Bond
 Opportunities Series...        132,172           0.35%     of the first $50 million
                                                  0.30%     of the next $150 million
                                                  0.25%     of the next $300 million
                                                  0.20%     of amounts in excess of $500 million
</TABLE>
 
                                                                            103
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
<TABLE>
<CAPTION>
                             FEES EARNED         ANNUAL
                          BY SUB-ADVISER FOR   PERCENTAGE                BASED ON
                         THE SIX-MONTHS ENDED RATES PAID TO    SERIES AVERAGE DAILY NET ASSET
         SERIES             JUNE 30, 1998      SUB-ADVISER              VALUE LEVELS
         ------          -------------------- ------------- ------------------------------------
<S>                      <C>                  <C>           <C>
Back Bay Advisors Bond
 Income Series..........       $224,928          0.25%      of the first $50 million
                                                 0.20%      of the next $200 million
                                                 0.15%      of amounts in excess of $250 million
Salomon Brothers U.S.
 Government Series......         28,020          0.225%     of the first $200 million
                                                 0.150%     of the next $300 million
                                                 0.100%     of amounts in excess of $500 million
Back Bay Advisors Money
 Market Series..........         81,806          0.15%      of the first $100 million
                                                 0.10%      of amounts in excess of $100 million
</TABLE>
- -------
(a) Effective May 1, 1998 a new Sub-advisory agreement between TNE Advisers
    and GSAM went into effect, replacing the prior Sub-advisory agreement
    between TNE Advisers and Loomis Sayles. The two Sub-advisory fee schedules
    set forth above reflect all agreements which were in place during the
    period ended June 30, 1998.
 
TNE Advisers, which acts as adviser to each Series except the Capital Growth
Series, is a direct wholly-owned subsidiary of New England Life Holdings, Inc.
which in turn is a wholly-owned subsidiary of NELICO. Loomis Sayles, Westpeak
and Back Bay Advisors are each independently operated subsidiaries, and CGM is
an independently operated affiliate, of Nvest, L.P. and Nvest Companies, L.P.
("Nvest Companies"). Nvest Companies owns the entire limited partnership
interest in each of Loomis Sayles, Westpeak and Back Bay Advisors. The general
partners of each of Loomis Sayles, Westpeak and Back Bay Advisors are special
purpose corporations which are indirect wholly-owned subsidiaries of Nvest
Companies. Nvest Companies' managing general partner and Nvest, L.P.'s general
partner, Nvest Corporation, is an indirect wholly-owned subsidiary of MetLife
New England Holdings, Inc. which in turn is a wholly owned subsidiary of
MetLife, a mutual life insurance company. MetLife owns directly 46% (and in
the aggregate, directly and indirectly, 47%) of the limited partnership
interests in Nvest Companies. Nvest Companies' advising general partner,
Nvest, L.P., is a publicly traded company listed on the New York Stock
Exchange. Nvest Companies is the owner of a majority limited partnership
interest in the Capital Growth Series' investment adviser, CGM. Consequently,
the subadvisers (Loomis Sayles, Westpeak and Back Bay Advisors) of seven
Series of the Fund are currently wholly-owned subsidiaries of Nvest Companies
and an additional Series is advised by a majority-owned subsidiary (CGM) of
Nvest Companies. The sub-advisers of the remaining six Series are not
affiliated with MetLife, Nvest, L.P. or Nvest Companies.
 
VOLUNTARY EXPENSE LIMITATION AND EXPENSE DEFERRAL AGREEMENT.
 
Each Series, except the Capital Growth Series, is subject to one of two forms
of expense limit. The first form of expense limit is a Voluntary Expense
Limitation, which relates to the Loomis Sayles Small Cap Series, Westpeak
Growth and Income Series, Westpeak Stock Index Series, Back Bay Advisors
Managed Series, Back Bay Advisors Bond Income Series and Back Bay Advisors
Money Market Series. A Voluntary Expense Limitation applicable to the Loomis
Sayles Avanti Growth Series terminated on April 30, 1998, the last day before
the Series was renamed the Goldman Sachs Midcap Value Series. Pursuant to this
arrangement TNE Advisers bears all expenses (other than advisory fees and any
brokerage costs, interest, taxes or extraordinary expenses) of each Series
(except the Loomis Sayles Small Cap Series) in excess of 0.15% of average
daily net assets. In the case of the Loomis Sayles Small Cap Series, TNE
Advisers bears all expenses (other than any brokerage costs, interest, taxes
or extraordinary expenses) in excess of 1.00% of the Series' average daily net
assets. A similar Voluntary Expense Limitation with New England Mutual Life
Insurance Company ("The New England") was in effect with respect to the
Capital Growth Series from November 1, 1994 to April 30, 1996.
 
The second form of expense limit is an Expense Deferral Agreement, which has
been in effect since November 1, 1994 for the Morgan Stanley International
Magnum Equity Series, Alger Equity Growth Series, Davis Venture Value Series,
Loomis Sayles Balanced Series, Salomon Brothers Strategic Bond Opportunities
Series and Salomon Brothers U.S. Government Series, and since May 1, 1998 for
the Goldman Sachs Midcap Value Series. Under this Agreement, TNE Advisers has
agreed to pay expenses of the Series' operations (exclusive of any brokerage
costs, interest, taxes or extraordinary expenses) in excess of the annual
percentages of the Series' net assets set forth below, subject to the
obligation of the Series to repay
 
104
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
TNE Advisers such expenses in future years, if any, when the Series' expenses
fall below that percentage; provided, however, that no Series is obligated to
repay any expenses paid by TNE Advisers more than two years after the end of
the fiscal year in which such expenses were incurred. The percentage
applicable to each Series is shown below:
 
TNE Advisers may terminate these expense arrangements at any time. If these
expense arrangements were terminated, some of the Series would have higher
expense ratios. For the period January 1, 1998 to June 30, 1998, the effective
expense ratio for each Series after giving effect to the foregoing
arrangements and without giving effect to the foregoing arrangements, the
amounts of expenses assumed by TNE Advisers for those Series to which the
Voluntary Expense Limitation applies, and the amounts of expenses deferred for
those Series to which the Expense Deferral Agreement applies, are as follows:
 
<TABLE>
<CAPTION>
                        MAXIMUM EXPENSE    EXPENSE RATIO
                          RATIO UNDER     WITHOUT GIVING
                            CURRENT          EFFECT TO        EXPENSES ASSUMED
                       VOLUNTARY EXPENSE VOLUNTARY EXPENSE  BY TNE ADVISERS AS A   EXPENSES DEFERRED IN EXPENSES DEFERRED IN
                         LIMITATION OR     LIMITATION OR    RESULT OF THE SERIES     1996 (SUBJECT TO     1997 (SUBJECT TO
                       EXPENSE DEFERRAL  EXPENSE DEFERRAL       EXCEEDING THE        REPAYMENT UNTIL      REPAYMENT UNTIL
       SERIES              AGREEMENT         AGREEMENT     VOLUNTARY EXPENSE LIMIT  DECEMBER 31, 1998)   DECEMBER 31, 1999)
       ------          ----------------- ----------------- ----------------------- -------------------- --------------------
<S>                    <C>               <C>               <C>                     <C>                  <C>
Back Bay Advisors
 Money Market Series.        0.50%             0.50%                 --               not applicable       not applicable
Back Bay Advisors
 Bond Income Series..        0.55%             0.50%                 --               not applicable       not applicable
Back Bay Advisors
 Managed Series......        0.65%             0.60%                 --               not applicable       not applicable
Westpeak Growth &
 Income Series.......        0.85%             0.79%                 --               not applicable       not applicable
Westpeak Stock Index
 Series..............        0.40%             0.39%                 --               not applicable       not applicable
Loomis Sayles Small
 Cap Series..........        1.00%             1.10%              $116,577            not applicable       not applicable
Goldman Sachs Midcap
 Value Series........        0.90%             0.84%                 --               not applicable       not applicable
Morgan Stanley
 International Magnum
 Equity Series.......        1.30%             1.30%           not applicable            $102,652             $135,743
Alger Equity Growth
 Series..............        0.90%             0.84%           not applicable               --                   --
Davis Venture Value
 Series..............        0.90%             0.85%           not applicable              41,906                --
Loomis Sayles
 Balanced Series.....        0.85%             0.82%           not applicable              52,078               10,668
Salomon Brothers
 Strategic Bond
 Opportunities
 Series..............        0.85%             0.83%           not applicable              68,374               12,296
Salomon Brothers U.S.
 Government Series...        0.70%             0.80%           not applicable              72,404               46,636
</TABLE>
 
For the six months ended June 30, 1998 the amount of deferred expense
recovered by TNE Advisers from each Series subject to the Expense Deferral
Agreement is set forth below:
 
<TABLE>
<CAPTION>
                                            DEFERRED EXPENSES DEFERRED EXPENSES
                                              RECOVERED BY      RECOVERED BY
                                              TNE ADVISERS      TNE ADVISERS
             SERIES                             FROM 1996         FROM 1997
             ------                         ----------------- -----------------
      <S>                                   <C>               <C>
      Davis Venture Value Series...........      $41,906            None
      Goldman Sachs Midcap Value Series....         None            None
      Loomis Sayles Balanced Series........       41,791            None
      Morgan Stanley International Magnum
       Equity Series.......................         None            None
      Salomon Brothers Strategic Bond
       Opportunities Series................       19,131            None
      Salomon Brothers U.S. Government
       Series..............................         None            None
</TABLE>
 
                                                                            105
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
 
5. The Fund does not pay any compensation to its officers or to any trustees
who are directors, officers or employees of MetLife, NELICO, Nvest, L.P. or
their affiliates, other than affiliated registered investment companies. Each
disinterested trustee (i.e. trustee not so affiliated) will receive for 1998
the following amounts of compensation from each Series:
 
<TABLE>
<CAPTION>
                           BOND  CAPITAL MONEY  STOCK         MIDCAP GROWTH AND SMALL
                          INCOME GROWTH  MARKET INDEX MANAGED VALUE    INCOME    CAP
                          ------ ------- ------ ----- ------- ------ ---------- ------
<S>                       <C>    <C>     <C>    <C>   <C>     <C>    <C>        <C>
Annual Retainer.........  $1,095 $8,529   $589  $769  $1,060   $666     $981    $1,207
Meeting Fee Per Meeting.  $  167 $  167   $167  $167  $  167   $167     $167    $  167
Committee Chairman
 Annual Retainer
 (Contract Review)......  $  328 $2,559   $177  $231  $  318   $200     $294    $  362
Committee Chairman
 Annual Retainer
 (Audit)................  $  219 $1,706   $118  $154  $  212   $133     $196    $  241
</TABLE>
 
<TABLE>
<CAPTION>
                                                              STRATEGIC
                                   INTERNATIONAL    U.S.        BOND      VENTURE EQUITY
                          BALANCED MAGNUM EQUITY GOVERNMENT OPPORTUNITIES  VALUE  GROWTH
                          -------- ------------- ---------- ------------- ------- ------
<S>                       <C>      <C>           <C>        <C>           <C>     <C>
Annual Retainer.........    $808       $312         $130        $413      $1,755  $1,279
Meeting Fee Per Meeting.    $167       $167         $167        $167      $  167  $  167
Committee Chairman
 Annual Retainer
 (Contract Review)......    $242       $ 94         $ 39        $124      $  527  $  384
Committee Chairman
 Annual Retainer
 (Audit)................    $162       $ 62         $ 26        $ 83      $  351  $  256
</TABLE>
 
A deferred compensation plan is available to disinterested trustees on a
voluntary basis. Each participating trustee will receive deferred compensation
in an amount equal to the value that such compensation would have had if it had
been invested in the Series on the normal payment date.
 
6. SHAREHOLDER MEETING (UNAUDITED)
 
At a Special Meeting of shareholders of the Goldman Sachs Midcap Value Series
(then named the Loomis Sayles Avanti Growth Series) held on April 17, 1998,
such shareholders voted for the following proposals:
 
<TABLE>
<CAPTION>
                                                  VOTED   VOTED           TOTAL
                                                   FOR   AGAINST ABSTAIN  VOTES
                                                 ------- ------- ------- -------
<S>                                              <C>     <C>     <C>     <C>
1. That the proposed new Advisory Agreement
   relating to the Loomis Sayles Avanti Growth
   Series (the "Series") between New England
   Zenith Fund and TNE Advisers, Inc. be, and
   it hereby is, approved......................  482,000 153,109 37,672  672,781
2. That the proposed new Sub-Advisory Agreement
   relating to the Series by and between TNE
   Advisers, Inc. and Goldman Sachs Asset
   Management, a separate operating division of
   Goldman, Sachs & Co. be, and it hereby is,
   approved....................................  551,149  78,236 43,053  672,432
3. That the proposal to change the investment
   objective of the Series from a fundamental
   policy of capital growth to a non-
   fundamental policy of long-term capital
   appreciation be, and it hereby is, approved.  534,069  97,207 41,506  672,782
4. That the proposal with respect to the future
   operation of the Series, whereby the Series
   may from time to time, to the extent
   permitted by any exemption or exemptions
   granted by the Securities and Exchange
   Commission, permit TNE Advisers, Inc. to
   enter into new and amended agreements with
   subadvisers with respect to the Series (the
   "Series") without obtaining shareholder
   approval of such agreements, and to permit
   such sub-advisers to manage the assets of
   the Series pursuant to such sub-advisory
   agreements be, and it hereby is, approved...  513,551 121,290 38,008  672,849
</TABLE>
 
106
<PAGE>
 
NEW ENGLAND ZENITH FUND
 
NOTES TO FINANCIAL STATEMENTS--JUNE 30, 1998 (UNAUDITED)--(CONTINUED)
 
 
At a Special Meeting of shareholders of the Salomon Brothers Strategic Bond
Opportunities Series and Salomon Brothers U.S. Government Series held on April
10, 1998, such shareholders voted for the following proposals:
 
<TABLE>
<CAPTION>
                                               VOTED    VOTED            TOTAL
                                                FOR    AGAINST ABSTAIN   VOTES
                                             --------- ------- ------- ---------
<S>                                          <C>       <C>     <C>     <C>
1. That the proposed new Sub-Advisory
   Agreement for the Salomon Brothers
   Strategic Bond Opportunities Series by
   and among TNE Advisers, Inc., Salomon
   Brothers Asset Management Inc (SBAM) and
   Salomon Brothers Asset Management
   Limited be, and it hereby is, approved..  5,849,499 113,296 297,952 6,260,747
2. That the proposed new Sub-Advisory
   Agreement relating to the Salomon
   Brothers U.S. Government Series by and
   between TNE Advisers, Inc. and SBAM be,
   and it hereby is, approved..............  1,882,603  29,006  89,019 2,000,628
3. That the proposal with respect to the
   future operation of the Salomon Brothers
   Strategic Bond Opportunities Series (the
   "Series"), whereby the Series may from
   time to time, to the extent permitted by
   any exemption or exemptions granted by
   the Securities and Exchange Commission,
   permit TNE Advisers, Inc. to enter into
   new and amended agreements with
   subadvisers with respect to the Series
   without obtaining shareholder approval
   of such agreements, and to permit such
   sub-advisers to manage the assets of the
   Series pursuant to such sub-advisory
   agreements be, and it hereby is,
   approved................................  5,609,761 294,196 356,165 6,260,122
4. That the proposal with respect to the
   future operation of the Salomon Brothers
   U.S. Government Series (the "Series"),
   whereby the Series may from time to
   time, to the extent permitted by any
   exemption or exemptions granted by the
   Securities and Exchange Commission,
   permit TNE Advisers, Inc. to enter into
   new and amended agreements with
   subadvisers with respect to the Series
   without obtaining shareholder approval
   of such agreements, and to permit such
   sub-advisers to manage the assets of the
   Series pursuant to such sub-advisory
   agreements be, and it hereby is,
   approved................................  1,770,579 127,227 102,822 2,000,628
</TABLE>
 
(Proposal 1 and 3 were voted on only by shareholders of the Salomon Brothers
Strategic Bond Opportunities Series, whereas proposals 2 and 4 were voted on
by shareholders of the Salomon Brothers U.S. Government Series only.)
 
                                                                            107
<PAGE>
 
FOOTNOTES TO PORTFOLIO MANAGER COMMENTARY
 
 (1) COL (Cost of Living) is based on the Consumer Price Index, a widely
     recognized measure of the cost of goods and services in the United
     States, calculated by the U.S. Bureau of Labor Statistics.
 
 (2) Lehman Brothers Aggregate Bond Index includes most obligations of the
     U.S. Treasury, agencies and quasi-federal corporations, most publicly
     issued investment grade corporate bonds, and most bonds backed by
     mortgage pools of GNMA, FNMA and FHLMC. The index has not been adjusted
     for ongoing management, distribution and operating expenses and sales
     charges applicable to mutual fund investments.
 
 (3) Lehman Brothers Government/Corporate Bond Index is an unmanaged index of
     the market value of approximately 5,300 bonds with a face value currently
     in excess of $1.3 trillion. To be included in the Lehman Brothers
     Government/Corporate Bond Index, an issue must have amounts outstanding
     in excess of $25 million, have at least one year to maturity and be rated
     "Baa" or higher ("investment grade") by a nationally recognized rating
     agency. The index has not been adjusted for ongoing management,
     distribution and operating expenses and sales charges applicable to
     mutual fund investments.
 
 (4) Lehman Brothers Intermediate Government Bond Index includes most
     obligations of the U.S. Treasury, agencies and quasi-federal corporations
     having maturities of 1 to 10 years. The index has not been adjusted for
     ongoing management, distribution and operating expenses and sales charges
     applicable to mutual fund investments.
 
 (5) Lehman Brothers Intermediate Government/Corporate Bond Index is an
     unmanaged index of investment grade bonds issued by the U.S. Government
     and U.S. corporations having maturities between one and ten years. The
     index has not been adjusted for ongoing management, distribution and
     operating expenses and sales charges applicable to mutual fund
     investments.
 
 (6) Lipper Variable Products A-Rated Corporate Bond Fund Average is an
     average of the total return performance (calculated on the basis of net
     asset value) of funds with similar investment objectives as calculated by
     Lipper Analytical Services, an independent mutual fund ranking service.
 
 (7) Lipper Variable Products Balanced Fund Average is an average of the total
     return performance (calculated on the basis of net asset level) of funds
     with similar investment objectives as calculated by Lipper Analytical
     Services, an independent mutual fund ranking service.
 
 (8) Lipper Variable Products Flexible Portfolio Fund Average is an average of
     the total return performance (calculated on the basis of net asset value)
     of funds with similar investment objectives as calculated by Lipper
     Analytical Services, an independent mutual fund ranking service.
 
 (9) Lipper Variable Products General Bond Fund Average is an average of the
     total return performance (calculated on the basis of net asset value) of
     funds with similar investment objectives as calculated by Lipper
     Analytical Services, an independent mutual fund ranking service.
 
(10) Lipper Variable Products Growth Fund Average is an average of the total
     return performance (calculated on the basis of net asset value) of funds
     with similar investment objectives as calculated by Lipper Analytical
     Services, an independent mutual fund ranking service.
 
(11) Lipper Variable Products Growth and Income Fund Average is an average of
     the total return performance (calculated on the basis of net asset value)
     of funds with similar investment objectives as calculated by Lipper
     Analytical Services, an independent mutual fund ranking service.
 
(12) Lipper Variable Products International Fund Average is an average of the
     total return performance (calculated on the basis of net asset value) of
     funds with similar investment objectives as calculated by Lipper
     Analytical Services, an independent mutual fund ranking service.
 
(13) Lipper Variable Products Intermediate Investment Grade Debt Average is an
     average of the total return performance (calculated on the basis of net
     asset value) of funds with similar investment objectives as calculated by
     Lipper Analytical Services, an independent mutual fund ranking service.
 
(14) Lipper Variable Products Midcap Fund Average is an average of the total
     return performance (calculated on the basis of net asset value) of funds
     with similar investment objectives as calculated by Lipper Analytical
     Services, an independent mutual fund ranking service.
 
108
<PAGE>
 
(15) Lipper Variable Products Small Company Fund Average is an average of the
     total return performance (calculated on the basis of net asset value) of
     funds with similar investment objectives as calculated by Lipper
     Analytical Services, an independent mutual fund ranking service.
 
(16) Lipper Variable Products S&P 500 Index Fund Average is an average of the
     total return performance (calculated on the basis of net asset value) of
     funds with similar investment objectives as calculated by Lipper
     Analytical Services, an independent mutual fund ranking service.
 
(17) Lipper Variable Products U.S. Mortgage and GNMA Fund Average is an
     average of the total return performance (calculated on the basis of net
     asset value) of funds with similar investment objectives as calculated by
     Lipper Analytical Services, an independent mutual fund ranking service.
 
(18) Morgan Stanley Capital International Europe, Australasia, Far East (EAFE)
     Index is an arithmetical average (weighted by market value) of the
     performance (in U.S. dollars) of companies representing the stock markets
     of Europe, Australia and the Far East. The index has not been adjusted
     for ongoing management, distribution and operating expenses and sales
     charges applicable to mutual funds.
 
(19) Morgan Stanley Capital International Europe Index is an arithmetical
     average (weighted by market value) of the performance (in U.S. dollars)
     of companies representing the stock markets of Austria, Belgium, Czech
     Republic, Denmark, Finland, France, Germany, Greece, Hungary, Ireland,
     Italy, Netherlands, Norway, Poland, Portugal, Russia, Spain, Sweden,
     Switzerland, Turkey and United Kingdom. The Index performance has not
     been adjusted for ongoing management, distribution and operating expenses
     and sales charges applicable to mutual funds.
 
(20) Morgan Stanley Capital International Japan Index is an arithmetical
     average (weighted by market value) of the performance (in U.S. dollars)
     of companies representing the stock markets of Japan. The Index
     performance has not been adjusted for ongoing management, distribution
     and operating expenses and sales charges applicable to mutual funds.
 
(21) Morgan Stanley Capital International Pacific Free ex-Japan Index is an
     arithmetical average (weighted by market value) of the performance (in
     U.S. dollars) of companies representing the stock markets of Australia,
     China Free, Hong Kong, Indonesia, Korea, Malaysia, New Zealand,
     Philippines, Singapore, Taiwan and Thailand. The Index performance has
     not been adjusted for ongoing management, distribution and operating
     expenses and sales charges applicable to mutual funds.
 
(22) Russell Midcap Index consists of 800 mid-capitalization stocks having an
     average market capitalization of $3.7 billion as of June 30, 1998. The
     index has not been adjusted for ongoing management, distribution and
     operating expenses and sales charges applicable to mutual fund
     investments.
 
(23) Russell 2000 Index consists of 2000 small market capitalization stocks
     having an average market capitalization of $592 million as of June 30,
     1998. The index performance has not been adjusted for ongoing management,
     distribution and operating expenses and sales charges applicable to
     mutual fund investments.
 
(24) Salomon Brothers High Yield Market Index measures the performance of cash
     pay and deferred interest bonds.
 
(25) Standard & Poor's 500 Index(R) (S&P 500(R)) is an unmanaged index
     representing the performance of 500 major companies, most of which are
     listed on the New York Stock Exchange. The S&P 500 performance has not
     been adjusted for ongoing management, distribution and operating expenses
     and sales charges applicable to mutual fund investments.
 
                                                                            109
<PAGE>
 
[LOGO OF NEW ENGLAND FINANCIAL/TM/                              
 A METLIFE AFFILIATE APPEARS HERE]                  [BULD POSTAGE APPEARS HERE]
                                                                
                                                                
                                                                
NEW ENGLAND LIFE INSURANCE COMPANY
501 BOYLSTON STREET
BOSTON, MASSACHUSETTS 02116
 
 
EQUAL OPPORTUNITY EMPLOYER M/F
(C) 1998 NEW ENGLAND LIFE INSURANCE COMPANY
 
- --------------------------------------------------------------------------------
This booklet has been prepared for variable contracts issued by New
England Life Insurance Company, Boston, MA and variable contracts
issued by Metropolitan Life Insurance Company, New York, NY.
 
 
VA-150-98 VA1


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