PRUDENTIAL SERIES FUND INC
N-30D, 1998-03-11
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The
Prudential
Series Fund, Inc.

[PHOTO]

Annual Report to
Contract Owners

Pruco Life's Pruselect I(SM)
Pruco Life's Pruselect II(SM)

December 31, 1997

[LOGO] PRUDENTIAL

The Prudential Insurance Company of America
751 Broad Street
Newark, NJ 07102-3777
<PAGE>

================================================================================
                       The Prudential Series Fund, Inc.

<TABLE>
<CAPTION>
                      Average Annual Total Return as of December 31, 1997/1/
- --------------------------------------------------------------------------------------------------
                                                                                           Since
                                      One Year    Three Years   Five Years   Ten Years   Inception
<S>                                   <C>         <C>           <C>          <C>         <C>
- --------------------------------------------------------------------------------------------------
Fixed Income Portfolios
- --------------------------------------------------------------------------------------------------
     Money Market/2/                      5.41%        5.48%       4.68%       5.80%       6.46%
     Diversified Bond                     8.57        11.02        7.84        9.24        9.39
     Government Income/3/                 9.67        10.23        7.41         N/A        8.85
     Zero Coupon Bond 2000/4/             7.17         9.77        7.36       10.19       10.30
     Zero Coupon Bond 2005/4/            11.18        13.21        9.85         N/A       10.81
- --------------------------------------------------------------------------------------------------
Balanced Portfolios
- --------------------------------------------------------------------------------------------------
     Conservative Balanced               13.45%       14.43%      10.74%      11.15%      10.80%
     Flexible Managed                    17.96        18.49       13.25       13.41       12.18
- --------------------------------------------------------------------------------------------------
High Yield Bond Portfolio
- --------------------------------------------------------------------------------------------------
     High Yield Bond                     13.78%       14.21%      11.57%      10.68%       9.30%
- --------------------------------------------------------------------------------------------------
Diversified Stock Portfolios
- --------------------------------------------------------------------------------------------------
     Stock Index                         32.83%       30.67%      19.84%      17.47%      17.92%
     Equity Income                       36.61        26.49       20.22         N/A       16.82
     Equity                              24.66        24.71       19.43       17.53       15.55
     Prudential Jennison                 31.71          N/A         N/A         N/A       26.97
     Small Capitalization Stock          25.17          N/A         N/A         N/A       24.50
     Global                               6.98        14.05       15.10         N/A       10.10
- --------------------------------------------------------------------------------------------------
Specialized Portfolio
- --------------------------------------------------------------------------------------------------
     Natural Resources                  -11.59%       13.66%      11.96%        N/A       11.26%
</TABLE>

/1/ "Average Annual Total Return" is an average rate of return based on growth
    or decline in the amounts invested plus the reinvestment of all dividends
    over the periods ended 12/31/97.
/2/ An investment in the Money Market Portfolio is neither issued nor guaranteed
    by the U.S. government.
/3/ The guarantee on U.S. government securities applies only to the underlying
    securities of the Portfolio and not to the value of the Portfolio's shares.
/4/ Not available in all contracts.

The rates of return quoted above and on the following pages reflect the
deduction of investment management fees and investment-related expenses, but not
product charges. They reflect the reinvestment of dividend and capital gains
distributions. They are not an estimate or a guarantee of future performance.

Variable life and variable annuity products are offered by Pruco Securities
Corp., a subsidiary of The Prudential Insurance Company of America. Both are
located at 751 Broad Street, Newark, NJ 07102-3777.
<PAGE>

                       The Prudential Series Fund, Inc.
                              Board of Directors
<TABLE>
<S>                                     <C>                                   <C>
MENDEL A. MELZER, CFA                   W. SCOTT MCDONALD, JR., Ph.D.         E. MICHAEL CAULFIELD
  Chairman,                               Principal,                            CEO,
  The Prudential Series Fund, Inc.        Kaludis Consulting Group              Prudential Investments,
                                                                                President, The Prudential Series Fund, Inc.

     SAUL K. FENSTER, Ph.D.             JOSEPH WEBER, Ph.D.
      President, New Jersey               Vice President,
      Institute of Technology             Interclass (international corporate learning)
</TABLE>
<PAGE>

================================================================================
Whether providing insurance protection for home, family and business, or
arranging to cover future education and retirement expenses, Prudential people
have always been able to deliver something more: personal service, quality,
attention to detail and the financial strength of The Rock(R). Since 1875,
Prudential has been helping individuals and families meet their financial needs.










                                    [LOGO]

Pruselect AR 12/97           Printed in the U.S.A.               PI-MV-0298-2456
                              on recycled paper.                MRA-1998-A022962

<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                             MONEY MARKET PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments (amortized cost
      $654,059,056)............................  $  654,059,056
    Cash.......................................      13,970,702
    Interest receivable........................       4,191,789
                                                 --------------
      Total Assets.............................     672,221,547
                                                 --------------
  LIABILITIES
    Payable for investments purchased..........      13,969,161
    Payable to investment adviser..............         660,450
    Accrued expenses...........................         129,796
                                                 --------------
      Total Liabilities........................      14,759,407
                                                 --------------
  NET ASSETS...................................  $  657,462,140
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $      657,462
      Paid-in capital, in excess of par........     656,804,678
                                                 --------------
    Net assets, December 31, 1997..............  $  657,462,140
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 65,746,214 outstanding shares of
      common stock (authorized 150,000,000
      shares)..................................  $        10.00
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Interest...................................  $    38,030,378
                                                 ---------------
  EXPENSES
    Investment advisory fee....................        2,667,947
    Custodian expense..........................           83,000
    Accounting fees............................           46,000
    Shareholders' reports......................           45,000
    Audit fees.................................           12,000
    Directors' fees............................            2,800
    Legal fees.................................              500
    Miscellaneous expenses.....................              935
                                                 ---------------
      Total Expenses...........................        2,858,182
    Less: Custodian fee credit.................          (42,342)
                                                 ---------------
      Net Expenses.............................        2,815,840
                                                 ---------------
  NET INVESTMENT INCOME........................       35,214,538
                                                 ---------------
 
  NET REALIZED GAIN ON INVESTMENTS.............           13,511
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $    35,228,049
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $     35,214,538     $    31,843,235
    Net realized gain on investments.......................................................             13,511               1,246
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................         35,228,049          31,844,481
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS:
    Dividends from net investment income...................................................        (35,214,538)        (31,843,235)
    Distributions from net realized capital gains..........................................            (13,511)             (1,246)
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................        (35,228,049)        (31,844,481)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [22,888,771 and 18,464,400 shares, respectively]....................        228,887,710         184,644,000
    Capital stock issued in reinvestment of dividends and distributions [3,522,805 and
     3,184,448 shares, respectively].......................................................         35,228,049          31,844,481
    Capital stock repurchased [(27,542,174) and (16,104,000) shares, respectively].........       (275,421,740)       (161,040,000)
                                                                                             ------------------  -------------------
    NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS..............        (11,305,981)         55,448,481
                                                                                             ------------------  -------------------
  TOTAL INCREASE (DECREASE) IN NET ASSETS..................................................        (11,305,981)         55,448,481
  NET ASSETS:
    Beginning of year......................................................................        668,768,121         613,319,640
                                                                                             ------------------  -------------------
    End of year............................................................................   $    657,462,140     $   668,768,121
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A1
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                           DIVERSIFIED BOND PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $790,639,568)............................  $  803,286,169
    Cash.......................................             880
    Interest receivable........................      14,128,219
    Receivable for capital stock sold..........         430,653
                                                 --------------
      Total Assets.............................     817,845,921
                                                 --------------
  LIABILITIES
    Payable to investment adviser..............         797,254
    Due to broker -- variation margin..........         214,531
    Accrued expenses...........................         127,405
                                                 --------------
      Total Liabilities........................       1,139,190
                                                 --------------
  NET ASSETS...................................  $  816,706,731
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $      740,989
      Paid-in capital, in excess of par........     800,244,621
                                                 --------------
                                                    800,985,610
    Undistributed net investment income........         229,159
    Accumulated net realized gain on
      investments..............................       3,308,830
    Net unrealized appreciation on
      investments..............................      12,183,132
                                                 --------------
    Net assets, December 31, 1997..............  $  816,706,731
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 74,098,859 outstanding shares of
      common stock (authorized 150,000,000
      shares)..................................  $        11.02
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Interest...................................  $    56,691,387
                                                 ---------------
  EXPENSES
    Investment advisory fee....................        2,981,884
    Accounting fees............................          107,000
    Custodian expense..........................           79,500
    Shareholders' reports......................           20,000
    Audit fees.................................           11,000
    Directors' fees............................            2,800
    Legal fees.................................            1,000
    Miscellaneous expenses.....................            1,222
                                                 ---------------
      Total Expenses...........................        3,204,406
    Less: Custodian fee credit.................          (44,514)
                                                 ---------------
      Net Expenses.............................        3,159,892
                                                 ---------------
  NET INVESTMENT INCOME........................       53,531,495
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
    Net realized gain (loss) on:
      Investments..............................       13,721,305
      Futures contracts........................       (4,526,384)
                                                 ---------------
                                                       9,194,921
                                                 ---------------
    Net change in unrealized appreciation on:
      Investments..............................       (1,767,311)
      Futures contracts........................         (463,469)
                                                 ---------------
                                                      (2,230,780)
                                                 ---------------
  NET GAIN ON INVESTMENTS......................        6,964,141
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $    60,495,636
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $     53,531,495     $    46,726,825
    Net realized gain on investments.......................................................          9,194,921           3,227,785
    Net change in unrealized appreciation on investments...................................         (2,230,780)        (18,849,028)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................         60,495,636          31,105,582
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS:
    Dividends from net investment income...................................................        (55,359,529)        (44,766,756)
    Distributions from net realized capital gains..........................................         (9,016,752)                 --
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................        (64,376,281)        (44,766,756)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [11,468,488 and 7,068,417 shares, respectively].....................        127,691,138          78,594,183
    Capital stock issued in reinvestment of dividends and distributions [5,812,573 and
     4,117,675 shares, respectively].......................................................         64,376,281          44,766,756
    Capital stock repurchased [(8,269,292) and (4,070,327) shares, respectively]...........        (91,696,624)        (45,319,610)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................        100,370,795          78,041,329
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................         96,490,150          64,380,155
  NET ASSETS:
    Beginning of year......................................................................        720,216,581         655,836,426
                                                                                             ------------------  -------------------
    End of year............................................................................   $    816,706,731     $   720,216,581
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A2
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                          GOVERNMENT INCOME PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $411,381,627)............................  $  424,649,985
    Cash.......................................           1,091
    Interest receivable........................       5,592,164
                                                 --------------
      Total Assets.............................     430,243,240
                                                 --------------
  LIABILITIES
    Payable to investment adviser..............         456,426
    Accrued expenses...........................          82,691
    Due to broker -- variation margin..........          38,438
    Payable for capital stock repurchased......          22,626
                                                 --------------
      Total Liabilities........................         600,181
                                                 --------------
  NET ASSETS...................................  $  429,643,059
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $      372,861
      Paid-in capital, in excess of par........     423,192,132
                                                 --------------
                                                    423,564,993
    Undistributed net investment income........          77,253
    Accumulated net realized loss on
      investments..............................      (7,194,513)
    Net unrealized appreciation on investments
      and futures contracts....................      13,195,326
                                                 --------------
    Net assets, December 31, 1997..............  $  429,643,059
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 37,286,113 outstanding shares of
      common stock (authorized 90,000,000
      shares)..................................  $        11.52
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Interest...................................  $    30,059,962
                                                 ---------------
  EXPENSES
    Investment advisory fee....................        1,758,870
    Accounting fees............................          106,000
    Custodian expense..........................           49,000
    Shareholders' reports......................            6,000
    Audit fee..................................            6,000
    Directors' fees............................            3,000
    Legal fees.................................              300
    Miscellaneous expenses.....................            1,825
                                                 ---------------
      Total Expenses...........................        1,930,995
    Less: Custodian fee credit.................          (13,345)
                                                 ---------------
      Net Expenses.............................        1,917,650
                                                 ---------------
  NET INVESTMENT INCOME........................       28,142,312
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
    Net realized gain (loss) on:
      Investments..............................        1,472,562
      Futures contracts........................         (759,159)
      Short sales..............................            9,375
                                                 ---------------
                                                         722,778
                                                 ---------------
    Net change in unrealized appreciation
      (depreciation) on:
      Investments..............................       10,916,448
      Futures contracts........................          (73,032)
                                                 ---------------
                                                      10,843,416
                                                 ---------------
  NET GAIN ON INVESTMENTS......................       11,566,194
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $    39,708,506
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $     28,142,312     $    31,242,011
    Net realized gain on investments.......................................................            722,778          14,328,542
    Net change in unrealized appreciation (depreciation) on investments....................         10,843,416         (35,068,717)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................         39,708,506          10,501,836
                                                                                             ------------------  -------------------
  DIVIDENDS:
    Dividends from net investment income...................................................        (28,098,226)        (30,988,878)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [550,602 and 778,426 shares, respectively]..........................          6,261,175           8,926,475
    Capital stock issued in reinvestment of dividends and distributions [2,484,757 and
     2,790,002 shares, respectively].......................................................         28,098,226          30,988,878
    Capital stock repurchased [(8,707,219) and (3,428,037) shares, respectively]...........        (98,362,062)        (39,168,176)
                                                                                             ------------------  -------------------
    NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS..............        (64,002,661)            747,177
                                                                                             ------------------  -------------------
  TOTAL DECREASE IN NET ASSETS.............................................................        (52,392,381)        (19,739,865)
  NET ASSETS:
    Beginning of year......................................................................        482,035,440         501,775,305
                                                                                             ------------------  -------------------
    End of year............................................................................   $    429,643,059     $   482,035,440
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A3
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                        CONSERVATIVE BALANCED PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $4,491,825,742)..........................  $4,696,024,117
    Cash.......................................           2,749
    Interest and dividends receivable..........      60,006,370
                                                 --------------
      Total Assets.............................   4,756,033,236
                                                 --------------
  LIABILITIES
    Payable to investment adviser..............       6,725,610
    Payable for investments purchased..........       3,573,515
    Due to broker -- variation margin..........         653,438
    Accrued expenses...........................         546,540
    Payable for capital stock repurchased......         302,094
                                                 --------------
      Total Liabilities........................      11,801,197
                                                 --------------
  NET ASSETS...................................  $4,744,232,039
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $    3,169,112
      Paid-in capital, in excess of par........   4,500,747,938
                                                 --------------
                                                  4,503,917,050
    Undistributed net investment income........         949,046
    Accumulated net realized gain on
      investments..............................      36,942,793
    Net unrealized appreciation on
      investments..............................     202,423,150
                                                 --------------
    Net assets, December 31, 1997..............  $4,744,232,039
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 316,911,160 outstanding shares of
      common stock (authorized 350,000,000
      shares)..................................  $        14.97
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Dividends (net of $187,480 foreign
      withholding tax).........................  $    19,377,627
    Interest...................................      216,743,419
                                                 ---------------
                                                     236,121,046
                                                 ---------------
  EXPENSES
    Investment advisory fee....................       25,757,735
    Custodian expense..........................          281,000
    Shareholders' reports......................          169,000
    Accounting fees............................          101,000
    Audit fees.................................           67,000
    Legal fees.................................            3,000
    Directors' fees............................            3,000
    Miscellaneous expenses.....................              923
                                                 ---------------
      Total Expenses...........................       26,382,658
    Less: Custodian fee credit.................         (166,162)
                                                 ---------------
      Net Expenses.............................       26,216,496
                                                 ---------------
  NET INVESTMENT INCOME........................      209,904,550
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
    Net realized gain (loss) on:
      Investments..............................      546,046,706
      Futures contracts........................      (20,841,176)
      Short sales..............................          (30,344)
                                                 ---------------
                                                     525,175,186
                                                 ---------------
    Net change in unrealized appreciation on:
      Investments..............................     (145,915,485)
      Futures contracts........................       (1,775,225)
      Short sales..............................       (1,139,560)
                                                 ---------------
                                                    (148,830,270)
                                                 ---------------
  NET GAIN ON INVESTMENTS......................      376,344,916
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $   586,249,466
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $    209,904,550     $   173,283,574
    Net realized gain on investments.......................................................        525,175,186         270,107,246
    Net change in unrealized appreciation on investments...................................       (148,830,270)         61,403,321
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................        586,249,466         504,794,141
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS
    Dividends from net investment income...................................................       (209,004,256)       (174,034,704)
    Dividends in excess of net investment income...........................................                 --             (41,632)
    Distributions from net realized capital gains..........................................       (518,358,296)       (273,551,593)
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................       (727,362,552)       (447,627,929)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [4,585,160 and 10,561,256 shares, respectively].....................         74,015,405         167,668,924
    Capital stock issued in reinvestment of dividends and distributions [47,801,252 and
     29,086,855 shares, respectively]......................................................        727,362,552         447,627,929
    Capital stock repurchased [(24,112,955) and (8,429,995) shares, respectively]..........       (394,841,365)       (134,428,797)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................        406,536,592         480,868,056
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................        265,423,506         538,034,268
  NET ASSETS:
    Beginning of year......................................................................      4,478,808,533       3,940,774,265
                                                                                             ------------------  -------------------
    End of year............................................................................   $  4,744,232,039     $ 4,478,808,533
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A4
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                           FLEXIBLE MANAGED PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $5,050,966,053)..........................  $5,471,387,547
    Cash.......................................          15,631
    Interest and dividends receivable..........      40,850,547
    Receivable for investments sold............             294
                                                 --------------
      Total Assets.............................   5,512,254,019
                                                 --------------
  LIABILITIES
    Payable for investments purchased..........      12,760,562
    Payable to investment adviser..............       8,471,572
    Accrued expenses...........................         654,878
    Due to broker -- variation margin..........         203,828
    Payable for capital stock repurchased......          21,085
                                                 --------------
      Total Liabilities........................      22,111,925
                                                 --------------
  NET ASSETS...................................  $5,490,142,094
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $    3,177,111
      Paid-in capital, in excess of par........   4,984,889,353
                                                 --------------
                                                  4,988,066,464
    Undistributed net investment income........         768,864
    Accumulated net realized gain on
      investments..............................      82,447,694
    Net unrealized appreciation on
      investments..............................     418,859,072
                                                 --------------
    Net assets, December 31, 1997..............  $5,490,142,094
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 317,711,061 outstanding shares of
      common stock (authorized 350,000,000
      shares)..................................  $        17.28
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Dividends (net of $810,090 foreign
      withholding tax).........................  $    35,833,891
    Interest...................................      156,549,837
                                                 ---------------
                                                     192,383,728
                                                 ---------------
  EXPENSES
    Investment advisory fee....................       31,740,440
    Custodian expense..........................          477,000
    Shareholders' reports......................          212,000
    Accounting fees............................           94,000
    Audit fees.................................           72,000
    Legal fees.................................            4,000
    Directors' fees............................            3,000
    Miscellaneous expenses.....................            1,971
                                                 ---------------
      Total Expenses...........................       32,604,411
    Less: Custodian fee credit.................         (284,638)
                                                 ---------------
      Net Expenses.............................       32,319,773
                                                 ---------------
  NET INVESTMENT INCOME........................      160,063,955
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
    Net realized gain (loss) on:
      Investments..............................      867,141,418
      Futures contracts........................         (499,159)
      Short sales..............................        1,049,655
                                                 ---------------
                                                     867,691,914
                                                 ---------------
    Net change in unrealized appreciation on:
      Investments..............................     (160,872,103)
      Futures contracts........................       (1,562,422)
      Short sales..............................       (1,168,571)
                                                 ---------------
                                                    (163,603,096)
                                                 ---------------
  NET GAIN ON INVESTMENTS......................      704,088,818
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $   864,152,773
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $    160,063,955     $   139,211,865
    Net realized gain on investments.......................................................        867,691,914         408,046,131
    Net change in unrealized appreciation on investments...................................       (163,603,096)         41,728,823
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................        864,152,773         588,986,819
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS:
    Dividends from net investment income...................................................       (159,343,911)       (142,089,785)
    Distributions from net realized capital gains..........................................       (823,214,223)       (458,909,559)
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................       (982,558,134)       (600,999,344)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [4,859,580 and 8,998,637 shares, respectively]......................         92,765,042         166,455,957
    Capital stock issued in reinvestment of dividends and distributions [56,453,647 and
     34,012,173 shares, respectively]......................................................        982,558,134         600,999,344
    Capital stock repurchased [(18,791,325) and (6,420,074) shares, respectively]..........       (363,698,408)       (119,724,926)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................        711,624,768         647,730,375
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................        593,219,407         635,717,850
  NET ASSETS:
    Beginning of year......................................................................      4,896,922,687       4,261,204,837
                                                                                             ------------------  -------------------
    End of year............................................................................   $  5,490,142,094     $ 4,896,922,687
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A5
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                           HIGH YIELD BOND PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $551,773,633)............................  $  562,701,784
    Cash.......................................       9,588,705
    Interest and dividends receivable..........      11,028,778
    Receivable for investments sold............         918,120
                                                 --------------
      Total Assets.............................     584,237,387
                                                 --------------
  LIABILITIES
    Payable for investments purchased..........      14,754,249
    Payable to investment adviser..............         738,097
    Accrued expenses...........................          69,963
                                                 --------------
      Total Liabilities........................      15,562,309
                                                 --------------
  NET ASSETS...................................  $  568,675,078
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $      698,191
      Paid-in capital, in excess of par........     562,703,961
                                                 --------------
                                                    563,402,152
    Undistributed net investment income........         735,254
    Accumulated net realized loss on
      investments..............................      (6,390,479)
    Net unrealized appreciation on
      investments..............................      10,928,151
                                                 --------------
    Net assets, December 31, 1997..............  $  568,675,078
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 69,819,106 outstanding shares of
      common stock (authorized 100,000,000
      shares)..................................  $         8.14
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Interest...................................  $    48,438,901
    Dividends..................................        2,026,846
                                                 ---------------
                                                      50,465,747
                                                 ---------------
  EXPENSES
    Investment advisory fee....................        2,679,304
    Custodian expense..........................           79,000
    Accounting fees............................           68,000
    Shareholders' reports......................           18,000
    Audit fee..................................            6,000
    Directors' fees............................            3,000
    Legal fees.................................              300
    Miscellaneous expenses.....................              903
                                                 ---------------
      Total Expenses...........................        2,854,507
    Less: Custodian fee credit.................          (64,527)
                                                 ---------------
      Net Expenses.............................        2,789,980
                                                 ---------------
  NET INVESTMENT INCOME........................       47,675,767
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
    Net realized gain on investments...........       15,354,840
    Net change in unrealized appreciation on
      investments..............................         (144,633)
                                                 ---------------
  NET GAIN ON INVESTMENTS......................       15,210,207
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $    62,885,974
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $     47,675,767     $    39,424,947
    Net realized gain (loss) on investments................................................         15,354,840          (1,288,395)
    Net change in unrealized appreciation on investments...................................           (144,633)          4,580,936
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................         62,885,974          42,717,488
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS
    Dividends from net investment income...................................................        (47,277,841)        (39,126,995)
    Dividends in excess of net investment income...........................................                 --            (495,859)
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................        (47,277,841)        (39,622,854)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [18,324,520 and 5,685,336 shares, respectively].....................        149,154,244          45,754,000
    Capital stock issued in reinvestment of dividends and distributions [5,847,594 and
     5,088,084 shares, respectively].......................................................         47,277,841          39,622,854
    Capital stock repurchased [(9,372,701) and (2,919,156) shares, respectively]...........        (76,232,015)        (23,514,000)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................        120,200,070          61,862,854
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................        135,808,203          64,957,488
  NET ASSETS:
    Beginning of year......................................................................        432,866,875         367,909,387
                                                                                             ------------------  -------------------
    End of year............................................................................   $    568,675,078     $   432,866,875
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A6
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                             STOCK INDEX PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $1,467,986,080)..........................  $2,452,933,864
    Interest and dividends receivable..........       3,244,896
    Receivable for capital stock sold..........         486,793
                                                 --------------
      Total Assets.............................   2,456,665,553
                                                 --------------
  LIABILITIES
    Payable for investments purchased..........       6,152,798
    Payable to investment adviser..............       2,079,794
    Accrued expenses...........................         222,585
    Due to broker -- variation margin..........          19,150
                                                 --------------
      Total Liabilities........................       8,474,327
                                                 --------------
  NET ASSETS...................................  $2,448,191,226
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $      810,134
      Paid-in capital, in excess of par........   1,455,746,577
                                                 --------------
                                                  1,456,556,711
    Undistributed net investment income........         304,262
    Accumulated net realized gain on
      investments..............................       5,874,119
    Net unrealized appreciation on
      investments..............................     985,456,134
                                                 --------------
    Net assets, December 31, 1997..............  $2,448,191,226
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 81,013,397 outstanding shares of
      common stock (authorized 100,000,000
      shares)..................................  $        30.22
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Dividends (net of $243,027 foreign
      withholding tax).........................  $    34,578,154
    Interest...................................        4,314,396
                                                 ---------------
                                                      38,892,550
                                                 ---------------
  EXPENSES
    Investment advisory fee....................        7,121,699
    Shareholders' reports......................          126,000
    Accounting fees............................          115,000
    Custodian expense..........................           47,000
    Audit fees.................................           26,000
    Directors' fees............................            3,000
    Legal fees.................................            1,000
    Miscellaneous expenses.....................            1,448
                                                 ---------------
      Total Expenses...........................        7,441,147
    Less: Custodian fee credit.................           (8,173)
                                                 ---------------
      Net Expenses.............................        7,432,974
                                                 ---------------
  NET INVESTMENT INCOME........................       31,459,576
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS
    Net realized gain on:
      Investments..............................       57,018,822
      Futures contracts........................       17,002,563
                                                 ---------------
                                                      74,021,385
                                                 ---------------
    Net change in unrealized appreciation on:
      Investments..............................      451,770,825
      Futures contracts........................         (207,850)
                                                 ---------------
                                                     451,562,975
                                                 ---------------
  NET GAIN ON INVESTMENTS......................      525,584,360
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $   557,043,936
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $     31,459,576     $    24,969,455
    Net realized gain on investments.......................................................         74,021,385          12,465,185
    Net change in unrealized appreciation on investments...................................        451,562,975         226,522,837
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................        557,043,936         263,957,477
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS
    Dividends from net investment income...................................................        (31,155,314)        (25,100,782)
    Distributions from net realized capital gains..........................................        (67,389,823)        (17,273,757)
    Distributions in excess of net realized capital gains..................................                 --            (196,333)
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................        (98,545,137)        (42,570,872)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [17,248,797 and 14,156,009 shares, respectively]....................        484,303,403         310,087,550
    Capital stock issued in reinvestment of dividends and distributions [3,309,920 and
     1,875,670 shares, respectively].......................................................         98,545,137          42,570,872
    Capital stock repurchased [(6,144,732) and (1,109,676) shares, respectively]...........       (174,536,420)        (23,942,788)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................        408,312,120         328,715,634
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................        866,810,919         550,102,239
  NET ASSETS:
    Beginning of year......................................................................      1,581,380,307       1,031,278,068
                                                                                             ------------------  -------------------
    End of year............................................................................   $  2,448,191,226     $ 1,581,380,307
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A7
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                            EQUITY INCOME PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $1,533,057,472)..........................  $2,032,553,684
    Cash.......................................           1,153
    Interest and dividends receivable..........       5,671,121
                                                 --------------
      Total Assets.............................   2,038,225,958
                                                 --------------
  LIABILITIES
    Payable for investments purchased..........       6,349,449
    Payable to investment adviser..............       1,968,342
    Accrued expenses...........................         152,278
                                                 --------------
      Total Liabilities........................       8,470,069
                                                 --------------
  NET ASSETS...................................  $2,029,755,889
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $      906,652
      Paid-in capital, in excess of par........   1,489,478,733
                                                 --------------
                                                  1,490,385,385
    Undistributed net investment income........       4,445,611
    Accumulated net realized gain on
      investments..............................      35,428,681
    Net unrealized appreciation on
      investments..............................     499,496,212
                                                 --------------
    Net assets, December 31, 1997..............  $2,029,755,889
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 90,665,193 outstanding shares of
      common stock (authorized 150,000,000
      shares)..................................  $        22.39
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Dividends (net of $533,835 foreign
      withholding tax).........................  $    48,458,837
    Interest...................................        6,190,866
                                                 ---------------
                                                      54,649,703
                                                 ---------------
  EXPENSES
    Investment advisory fee....................        6,601,602
    Accounting fees............................           86,000
    Shareholders' reports......................           65,000
    Custodian expense..........................           50,000
    Audit fees.................................           22,000
    Directors' fee.............................            3,000
    Legal fees.................................            1,000
    Miscellaneous expenses.....................              918
                                                 ---------------
      Total Expenses...........................        6,829,520
    Less: Custodian fee credit.................          (30,193)
                                                 ---------------
      Net Expenses.............................        6,799,327
                                                 ---------------
  NET INVESTMENT INCOME........................       47,850,376
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN ON
  INVESTMENTS
    Net realized gain on investments...........      209,283,667
    Net change in unrealized appreciation on
      investments..............................      251,369,014
                                                 ---------------
  NET GAIN ON INVESTMENTS......................      460,652,681
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $   508,503,057
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $     47,850,376     $    40,888,718
    Net realized gain on investments.......................................................        209,283,667          35,305,154
    Net change in unrealized appreciation on investments...................................        251,369,014         167,448,548
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................        508,503,057         243,642,420
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS
    Dividends from net investment income...................................................        (43,537,704)        (49,702,706)
    Distributions from net realized capital gains..........................................       (179,961,221)        (35,958,853)
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................       (223,498,925)        (85,661,559)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [11,266,195 and 3,768,657 shares, respectively].....................        253,831,217          65,526,000
    Capital stock issued in reinvestment of dividends and distributions [10,153,692 and
     4,848,028 shares, respectively].......................................................        223,498,925          85,661,559
    Capital stock repurchased [(4,416,916) and (3,172,162) shares, respectively]...........        (96,053,000)        (55,657,000)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................        381,277,142          95,530,559
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................        666,281,274         253,511,420
  NET ASSETS:
    Beginning of year......................................................................      1,363,474,615       1,109,963,195
                                                                                             ------------------  -------------------
    End of year............................................................................   $  2,029,755,889     $ 1,363,474,615
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A8
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                                EQUITY PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $4,198,636,403)..........................  $6,025,444,474
    Cash.......................................          77,594
    Interest and dividends receivable..........      14,912,488
    Receivable for investments sold............       2,093,331
    Receivable for capital stock sold..........         486,261
                                                 --------------
      Total Assets.............................   6,043,014,148
                                                 --------------
  LIABILITIES
    Payable for investments purchased..........      11,649,933
    Payable to investment adviser..............       6,897,764
    Accrued expenses...........................         486,420
                                                 --------------
      Total Liabilities........................      19,034,117
                                                 --------------
  NET ASSETS...................................  $6,023,980,031
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $    1,938,894
      Paid-in capital, in excess of par........   4,163,259,125
                                                 --------------
                                                  4,165,198,019
    Undistributed net investment income........         919,002
    Accumulated net realized gain on
      investments..............................      31,068,956
    Net unrealized appreciation on investments
      and foreign currencies...................   1,826,794,054
                                                 --------------
    Net assets, December 31, 1997..............  $6,023,980,031
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 193,889,401 outstanding shares of
      common stock (authorized 250,000,000
      shares)..................................  $        31.07
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Dividends (net of $1,062,630 foreign
      withholding tax).........................  $    80,559,590
    Interest...................................       70,049,162
                                                 ---------------
                                                     150,608,752
                                                 ---------------
  EXPENSES
    Investment advisory fee....................       24,840,379
    Shareholders' reports......................          249,000
    Custodian expense..........................          122,000
    Accounting fees............................           83,000
    Audit fees.................................           75,000
    Legal fees.................................            4,000
    Directors' fees............................            2,800
    Miscellaneous expenses.....................            1,561
                                                 ---------------
      Total Expenses...........................       25,377,740
    Less: Custodian fee credit.................          (95,183)
                                                 ---------------
      Net Expenses.............................       25,282,557
                                                 ---------------
  NET INVESTMENT INCOME........................      125,326,195
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN ON
  INVESTMENTS AND FOREIGN CURRENCIES
    Net realized gain on:
      Investments..............................      320,710,878
      Foreign currencies.......................          247,917
                                                 ---------------
                                                     320,958,795
                                                 ---------------
    Net change in unrealized appreciation on:
      Investments..............................      744,802,907
      Foreign currencies.......................          (14,018)
                                                 ---------------
                                                     744,788,889
                                                 ---------------
  NET GAIN ON INVESTMENTS AND FOREIGN
  CURRENCIES...................................    1,065,747,684
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $ 1,191,073,879
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $    125,326,195     $   108,378,560
    Net realized gain on investments and foreign currencies................................        320,958,795         344,149,867
    Net change in unrealized appreciation on investments and foreign currencies............        744,788,889         282,410,872
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................      1,191,073,879         734,939,299
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS
    Dividends from net investment income...................................................       (127,895,464)       (107,745,221)
    Distributions from net realized capital gains..........................................       (322,171,256)       (422,203,368)
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................       (450,066,720)       (529,948,589)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [12,471,611 and 13,547,538 shares, respectively]....................        381,942,219         368,210,773
    Capital stock issued in reinvestment of dividends and distributions [14,665,432 and
     20,011,095 shares, respectively]......................................................        450,066,720         529,948,589
    Capital stock repurchased [(11,774,942) and (3,776,507) shares, respectively]..........       (363,005,143)       (102,985,123)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................        469,003,796         795,174,239
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................      1,210,010,955       1,000,164,949
  NET ASSETS:
    Beginning of year......................................................................      4,813,969,076       3,813,804,127
                                                                                             ------------------  -------------------
    End of year............................................................................   $  6,023,980,031     $ 4,813,969,076
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       A9
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                         PRUDENTIAL JENNISON PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $426,967,254)............................  $  506,859,751
    Cash.......................................         117,479
    Interest and dividends receivable..........         300,382
    Receivable for investments sold............          84,864
                                                 --------------
      Total Assets.............................     507,362,476
                                                 --------------
  LIABILITIES
    Payable for investments purchased..........      10,696,174
    Payable to investment adviser..............         676,015
    Accrued expenses...........................          53,168
                                                 --------------
      Total Liabilities........................      11,425,357
                                                 --------------
  NET ASSETS...................................  $  495,937,119
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $      279,684
      Paid-in capital, in excess of par........     412,804,227
                                                 --------------
                                                    413,083,911
    Undistributed net investment income........         101,780
    Accumulated net realized gain on
      investments..............................       2,858,931
    Net unrealized appreciation on
      investments..............................      79,892,497
                                                 --------------
    Net assets, December 31, 1997..............  $  495,937,119
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 27,968,374 outstanding shares of
      common stock (authorized 40,000,000
      shares)..................................  $        17.73
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
Year Ended December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Dividends (net of $58,571 foreign
      withholding tax).........................  $     2,459,372
    Interest...................................          613,133
                                                 ---------------
                                                       3,072,505
                                                 ---------------
  EXPENSES
    Investment advisory fee....................        2,063,572
    Accounting fees............................           87,000
    Custodian expense..........................           25,000
    Shareholders' reports......................           23,000
    Audit fees.................................            3,500
    Directors' fees............................            3,000
    Miscellaneous expenses.....................            2,838
                                                 ---------------
      Total Expenses...........................        2,207,910
    Less: Custodian fee credit.................           (7,281)
                                                 ---------------
      Net Expenses.............................        2,200,629
                                                 ---------------
  NET INVESTMENT INCOME........................          871,876
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN ON
  INVESTMENTS
    Net realized gain on investments...........       33,000,406
    Net change in unrealized appreciation on
      investments..............................       54,234,653
                                                 ---------------
  NET GAIN ON INVESTMENTS......................       87,235,059
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $    88,106,935
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $        871,876     $       270,664
    Net realized gain (loss) on investments................................................         33,000,406          (3,092,511)
    Net change in unrealized appreciation on investments...................................         54,234,653          21,613,425
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................         88,106,935          18,791,578
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS:
    Dividends from net investment income...................................................           (832,883)           (373,490)
    Distributions from net realized capital gains..........................................        (27,048,964)                 --
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................        (27,881,847)           (373,490)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [12,593,772 and 11,292,685 shares, respectively]....................        218,245,522         151,529,000
    Capital stock issued in reinvestment of dividends and distributions [1,607,079 and
     27,287 shares, respectively]..........................................................         27,881,847             373,490
    Capital stock repurchased [(1,044,246) and (531,868) shares, respectively].............        (17,547,320)         (6,868,000)
    Initial capitalization repurchased by The Prudential [(1,004,760) and -0- shares
     respectively].........................................................................        (19,411,166)                 --
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................        209,168,883         145,034,490
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................        269,393,971         163,452,578
  NET ASSETS:
    Beginning of year......................................................................        226,543,148          63,090,570
                                                                                             ------------------  -------------------
    End of year............................................................................   $    495,937,119     $   226,543,148
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      A10
<PAGE>
                            FINANCIAL STATEMENTS OF
                        THE PRUDENTIAL SERIES FUND, INC.
                                GLOBAL PORTFOLIO
 
<TABLE>
<CAPTION>
STATEMENT OF ASSETS AND LIABILITIES
December 31, 1997
<S>                                              <C>
  ASSETS
    Investments, at value (cost:
      $501,984,495)............................  $  618,110,214
    Cash.......................................             881
    Foreign currency, at value (cost:
      $18,305,955).............................      18,046,890
    Receivable for investments sold............       6,732,972
    Dividends and interest receivable..........         825,037
    Forward currency contracts -- amount
      receivable from counterparties...........         553,788
    Receivable for capital stock sold..........          63,725
                                                 --------------
      Total Assets.............................     644,333,507
                                                 --------------
  LIABILITIES
    Payable for investments purchased..........       4,413,779
    Payable to investment adviser..............       1,247,805
    Accrued expenses and other liabilities.....         190,075
    Forward currency contracts -- amount
      payable to counterparties................          80,496
                                                 --------------
      Total Liabilities........................       5,932,155
                                                 --------------
  NET ASSETS...................................  $  638,401,352
                                                 --------------
                                                 --------------
    Net assets were comprised of:
      Common stock, at $0.01 par value.........  $      356,200
      Paid-in capital, in excess of par........     523,066,882
                                                 --------------
                                                    523,423,082
    Undistributed net investment income........       3,515,798
    Accumulated net realized gain on
      investments..............................      (4,868,770)
    Net unrealized appreciation on investments
      and foreign currencies...................     116,331,242
                                                 --------------
    Net assets, December 31, 1997..............  $  638,401,352
                                                 --------------
                                                 --------------
    Net asset value and redemption price per
      share, 35,619,965 outstanding shares of
      common stock (authorized 100,000,000
      shares)..................................  $        17.92
                                                 --------------
                                                 --------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENT OF OPERATIONS
December 31, 1997
<S>                                <C>           <C>
  INVESTMENT INCOME
    Dividends (net of $704,849 foreign
      withholding tax).........................  $     7,940,250
    Interest...................................          622,794
                                                 ---------------
                                                       8,563,044
                                                 ---------------
  EXPENSES
    Investment advisory fee....................        4,836,302
    Custodian expense..........................          368,000
    Accounting fees............................          223,000
    Shareholders' reports......................           55,000
    Audit fees.................................            3,500
    Directors' fees............................            3,000
    Miscellaneous expenses.....................           13,625
                                                 ---------------
                                                       5,502,427
                                                 ---------------
  NET INVESTMENT INCOME........................        3,060,617
                                                 ---------------
  NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS AND FOREIGN CURRENCIES
    Net realized gain on:
      Investments..............................       29,811,023
      Foreign currencies.......................        1,216,034
                                                 ---------------
                                                      31,027,057
                                                 ---------------
    Net change in unrealized appreciation on:
      Investments..............................        5,516,053
      Foreign currencies.......................         (408,410)
                                                 ---------------
                                                       5,107,643
                                                 ---------------
  NET GAIN ON INVESTMENTS AND FOREIGN
  CURRENCIES...................................       36,134,700
                                                 ---------------
  NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS...................................  $    39,195,317
                                                 ---------------
                                                 ---------------
</TABLE>
 
<TABLE>
<CAPTION>
STATEMENTS OF CHANGES IN NET ASSETS
 
                                                                                                    YEARS ENDED DECEMBER 31,
                                                                                             ---------------------------------------
                                                                                                    1997                1996
                                                                                             ------------------  -------------------
<S>                                                                                          <C>                 <C>
  INCREASE (DECREASE) IN NET ASSETS
  OPERATIONS:
    Net investment income..................................................................   $      3,060,617     $     3,109,922
    Net realized gain on investments and foreign currencies................................         31,027,057          19,772,496
    Net change in unrealized appreciation on investments and foreign currencies............          5,107,643          65,301,446
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS...................................         39,195,317          88,183,864
                                                                                             ------------------  -------------------
  DIVIDENDS AND DISTRIBUTIONS:
    Dividends from net investment income...................................................         (4,377,947)         (3,109,922)
    Distributions in excess of net investment income.......................................         (3,434,778)                 --
    Distributions from net realized capital gains..........................................        (30,337,530)        (19,019,488)
                                                                                             ------------------  -------------------
    TOTAL DIVIDENDS AND DISTRIBUTIONS......................................................        (38,150,255)        (22,129,410)
                                                                                             ------------------  -------------------
  CAPITAL TRANSACTIONS:
    Capital stock sold [5,853,862 and 7,307,979 shares, respectively]......................        111,692,563         123,508,873
    Capital stock issued in reinvestment of dividends and distributions [2,115,902 and
     1,310,966 shares, respectively].......................................................         38,150,255          22,129,410
    Capital stock repurchased [(4,869,453) and (1,820,909) shares, respectively]...........        (93,116,567)        (30,587,232)
    Initial capitalization repurchased by The Prudential [-0- and (36,088) shares,
     respectively].........................................................................                 --            (575,000)
                                                                                             ------------------  -------------------
    NET INCREASE IN NET ASSETS RESULTING FROM CAPITAL TRANSACTIONS.........................         56,726,251         114,476,051
                                                                                             ------------------  -------------------
  TOTAL INCREASE IN NET ASSETS.............................................................         57,771,313         180,530,505
  NET ASSETS:
    Beginning of year......................................................................        580,630,039         400,099,534
                                                                                             ------------------  -------------------
    End of year............................................................................   $    638,401,352     $   580,630,039
                                                                                             ------------------  -------------------
                                                                                             ------------------  -------------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      A11
<PAGE>
                        THE PRUDENTIAL SERIES FUND, INC.
                            SCHEDULE OF INVESTMENTS
                             MONEY MARKET PORTFOLIO
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       PRINCIPAL    AMORTIZED
                                                    INTEREST MATURITY   AMOUNT        VALUE
                                                     RATE      DATE      (000)       (NOTE 2)
                                                    ------   --------  ---------  --------------
<S>                                                 <C>      <C>       <C>        <C>
ASSET-BACKED SECURITIES -- 11.5%
  PNC Student Loan Trust I 1997-2 A1 (a)..........   5.91%   07/20/98  $   4,501  $    4,501,078
  Restructured Asset Securities Enhanced
    Return (a)....................................   5.96%   08/28/98     16,000      16,000,000
  Short Term Card Trust 1996-1 (a)................   6.00%   01/15/98     24,000      24,000,000
  Short Term Repackaged Asset Trust 1997-A (a)....   6.00%   12/15/98      8,000       8,000,000
  Strategic Money Market Trust 1997-A (a).........   5.91%   12/16/98     23,000      23,000,000
                                                                                  --------------
                                                                                      75,501,078
                                                                                  --------------
BANK NOTES -- 5.8%
  Comerica Bank of Detroit (a)....................   5.97%   02/05/98      2,000       1,999,883
  Comerica Bank of Detroit (a)....................   5.90%   02/11/98      9,000       8,999,333
  FCC National Bank (a)...........................   5.85%   07/02/98     12,000      11,995,370
  US Bank, N.A. (a)...............................   5.88%   04/10/98      4,000       3,999,582
  Nationsbank Corp. (a)...........................   5.87%   05/21/98      1,450       1,450,122
  Wachovia Bank, N.A. (a).........................   6.14%   06/01/98     10,000      10,000,000
                                                                                  --------------
                                                                                      38,444,290
                                                                                  --------------
CERTIFICATES OF DEPOSIT-DOMESTIC -- 0.1%
  Corestates Bank N.A. (a)........................   5.78%   01/23/98      1,000       1,000,000
                                                                                  --------------
CERTIFICATES OF DEPOSIT-EURODOLLAR -- 6.2%
  Banco De Santander De Credito S.A...............   5.76%   04/20/98      4,000       4,000,233
  Svenska Handelsbanken, Inc......................   5.83%   03/12/98      2,000       1,999,710
  Svenska Handelsbanken A.B.......................   5.72%   03/16/98     30,000      29,652,033
  Westdeutsche Landesbank Girozentral.............   5.81%   03/04/98      5,000       4,999,982
                                                                                  --------------
                                                                                      40,651,958
                                                                                  --------------
CERTIFICATES OF DEPOSIT-YANKEE -- 13.4%
  Bank of Montreal................................   5.64%   01/29/98      4,000       4,000,000
  Barclays Bank PLC...............................   5.84%   03/09/98      1,000         999,645
  Commerzbank, AG.................................   6.08%   05/27/98      8,000       7,998,938
  Commerzbank, AG.................................   5.97%   08/17/98     10,000       9,998,217
  Credit Agricole Indosuez........................   5.75%   02/10/98      3,000       3,000,000
  Credit Agricole Indosuez........................   5.95%   10/21/98      5,000       4,998,088
  Landesbank Hessen-Thuringen Girozentrale........   6.13%   04/01/98     10,000       9,997,185
  Landesbank Hessen-Thuringen Girozentrale........   5.94%   06/19/98     10,000       9,997,361
  National Westminister Bank, PLC.................   5.86%   03/10/98      2,000       1,999,045
  National Westminister Bank, PLC.................   6.06%   05/26/98      5,000       4,999,059
  Royal Bank of Canada............................   5.91%   06/17/98      5,000       4,998,696
  Societe Generale................................   5.85%   03/03/98      1,000         999,545
  Societe Generale................................   6.19%   05/06/98      2,000       1,999,597
  Societe Generale................................   6.01%   06/16/98     10,000       9,998,704
  Swiss Bank Corp.................................   5.76%   02/12/98      6,000       5,999,611
  Swiss Bank Corp.................................   5.98%   03/19/98      5,000       4,999,801
                                                                                  --------------
                                                                                      86,983,492
                                                                                  --------------
COMMERCIAL PAPER -- 42.9%
  AC Acquisition Holding Co.......................   5.70%   02/18/98      3,000       2,977,675
  American Express Credit Corp....................   6.25%   01/13/98      2,300       2,295,608
  Aon Corp........................................   5.82%   02/05/98      6,126       6,092,327
  Aristar, Inc....................................   5.84%   01/29/98      1,000         995,620
  Aristar, Inc....................................   5.93%   02/10/98      2,000       1,987,152
  Aristar, Inc....................................   5.95%   02/12/98      1,000         993,224
  Associates First Capital Corp...................   5.79%   02/04/98      3,000       2,984,077
  Barnett Bank, Inc...............................   6.70%   01/02/98      4,053       4,053,000
  Barton Capital Corp.............................   5.95%   02/09/98      4,000       3,974,878
  Bell Atlantic Financial Services, Inc...........   6.10%   01/13/98     14,000      13,973,906
  Bell Atlantic Financial Services, Inc...........   6.00%   01/29/98      5,255       5,231,352
  BP America......................................   6.90%   01/02/98     10,000      10,000,000
  Carnival Corp...................................   5.83%   01/30/98      3,000       2,986,397
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B1
<PAGE>
                       MONEY MARKET PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       PRINCIPAL    AMORTIZED
                                                    INTEREST MATURITY   AMOUNT        VALUE
                                                     RATE      DATE      (000)       (NOTE 2)
                                                    ------   --------  ---------  --------------
<S>                                                 <C>      <C>       <C>        <C>
  Caterpillar Financial Services Corp.............   5.95%   01/27/98  $   1,000  $      995,868
  Centric Capital Corp............................   5.92%   02/23/98      2,500       2,478,622
  Centric Capital Corp............................   5.80%   02/27/98      5,000       4,954,889
  Chrysler Financial Corp.........................   5.79%   02/09/98      8,000       7,951,106
  Coca Cola Enterprises, Inc......................   5.87%   02/23/98      4,000       3,966,084
  Coca Cola Enterprises, Inc......................   5.85%   02/27/98      1,000         990,900
  Corestates Capital Corp. (a)....................   5.93%   08/28/98      3,000       3,000,000
  Corporate Receivables Corp......................   6.00%   01/28/98      3,000       2,987,000
  Duke Capital Corp...............................   5.90%   01/23/98      8,000       7,972,467
  Enterprise Funding Corp.........................   5.90%   01/27/98      1,000         995,903
  Enterprise Funding Corp.........................   5.86%   02/27/98      3,872       3,836,705
  Falcon Asset Securitization Corp................   5.90%   01/21/98      2,000       1,993,772
  Falcon Asset Securitization Corp................   6.07%   02/05/98      7,000       6,959,871
  First Chicago Financial Corp....................   5.83%   03/20/98      2,000       1,975,061
  General Electric Capital Corp...................   5.88%   01/30/98     10,000       9,954,267
  General Motors Acceptance Corp..................   5.76%   02/09/98     12,000      11,927,040
  ING America Insurance Holdings, Inc.............   5.74%   04/03/98     11,000      10,840,396
  ING America Insurance Holdings, Inc.............   5.74%   04/28/98      8,000       7,852,036
  Johnson Controls, Inc...........................   5.80%   02/13/98      3,000       2,979,700
  Market Street Funding Corp......................   5.80%   02/03/98      3,000       2,984,533
  Martin Marietta Material........................   5.88%   02/05/98      1,000         994,451
  Mont Blanc Capital Corp.........................   5.90%   01/23/98      8,000       7,972,467
  Mont Blanc Capital Corp.........................   6.00%   01/28/98      1,000         995,667
  National Rural Utility..........................   5.56%   01/27/98      7,465       7,436,177
  Newell Co.......................................   6.80%   01/02/98     30,500      30,500,000
  Old Line Funding Corp...........................   5.88%   01/20/98      5,000       4,985,312
  Old Line Funding Corp...........................   5.90%   01/21/98      2,000       1,993,772
  SAFECO Corp.....................................   5.70%   01/23/98      4,000       3,986,700
  SAFECO Corp.....................................   5.83%   02/26/98      5,000       4,955,465
  SAFECO Corp.....................................   5.76%   03/17/98      3,000       2,964,480
  SAFECO Corp.....................................   5.79%   03/19/98      1,000         987,777
  Smith Barney Holdings...........................   5.62%   01/28/98      6,088       6,063,289
  Special Purpose Account Receivables Cooperative
    Corp..........................................   5.84%   02/20/98      2,000       1,984,102
  Special Purpose Account Receivables Cooperative
    Corp..........................................   5.86%   02/20/98      2,000       1,984,048
  Special Purpose Account Receivables Cooperative
    Corp..........................................   5.80%   03/26/98      1,000         986,628
  Triple A-One Funding Corp.......................   6.15%   01/09/98      2,250       2,247,309
  Triple A-One Funding Corp.......................   6.20%   01/23/98      1,561       1,555,354
  TRW, Inc........................................   6.00%   01/28/98      4,000       3,982,667
  Variable Funding Capital Corp...................   5.89%   01/22/98      5,410       5,392,297
  Variable Funding Capital Corp...................   5.88%   01/29/98      4,000       3,982,360
  WCP Funding, Inc................................   6.10%   01/27/98      9,000       8,961,875
  Windmill Funding Corp...........................   5.89%   01/29/98      8,000       7,964,660
  Wood Street Funding Corp........................   6.25%   01/07/98      3,369       3,366,076
  Xerox Overseas Holdings PLC.....................   5.79%   02/10/98      5,000       4,968,637
  Xerox Capital (Europe) PLC......................   5.79%   02/26/98      5,000       4,955,771
                                                                                  --------------
                                                                                     282,308,777
                                                                                  --------------
LOAN PARTICIPATIONS -- 3.5%
  Bell Atlantic Financial Services................   6.10%   01/21/98      6,000       6,000,000
  Countrywide Home Loan, Inc......................   6.25%   01/30/98     17,000      17,000,000
                                                                                  --------------
                                                                                      23,000,000
                                                                                  --------------
OTHER CORPORATE OBLIGATIONS -- 16.1%
  American General Finance Corp...................   7.48%   03/02/98      2,700       2,705,005
  CIT Group Holdings, Inc.........................   8.75%   04/15/98      2,000       2,014,097
  First Union Corp................................   6.75%   01/15/98      4,000       4,001,218
  General Motors Acceptance Corp. (a).............   5.73%   02/02/98     11,000      10,999,659
  General Motors Acceptance Corp. (a).............   5.79%   09/21/98      4,000       3,996,752
  General Motors Acceptance Corp. (a).............   6.00%   02/02/98      2,000       2,000,469
  Goldman Sachs Group L.P. (a)....................   6.03%   12/17/98     30,000      30,000,000
  Liquid Asset Backed Security Trust 1997-7 (a)...   6.03%   12/22/98      9,000       9,000,000
  Merrill Lynch & Co., Inc. (a)...................   5.96%   10/08/98     16,000      15,998,804
  Morgan Stanley Group, Inc. (a)..................   6.34%   03/09/98      4,000       4,002,425
  Morgan Stanley Group, Inc. (a)..................   5.88%   10/26/98      4,000       4,000,000
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B2
<PAGE>
                       MONEY MARKET PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       PRINCIPAL    AMORTIZED
                                                    INTEREST MATURITY   AMOUNT        VALUE
                                                     RATE      DATE      (000)       (NOTE 2)
                                                    ------   --------  ---------  --------------
<S>                                                 <C>      <C>       <C>        <C>
  Morgan Stanley Group, Inc. (a)..................   6.07%   11/16/98  $   5,000  $    7,000,000
  SMM Trust Notes 1997-X (a)......................   6.00%   12/14/98      9,000       9,000,000
  Transamerica Finance Corp.......................   6.06%   06/15/98      1,450       1,451,032
                                                                                  --------------
                                                                                     106,169,461
                                                                                  --------------
TOTAL INVESTMENTS -- 99.5%
  (amortized cost $654,059,056 (b)).............................................     654,059,056
OTHER ASSETS IN EXCESS OF LIABILITIES -- 0.5%...................................       3,403,084
                                                                                  --------------
TOTAL NET ASSETS -- 100.0%......................................................  $  657,462,140
                                                                                  --------------
                                                                                  --------------
</TABLE>
 
    The following abbreviations are used in portfolio descriptions:
        AG  Aktiengesellschaft (German Stock Company)
    PLC     Public Limited Company (British Corporation)
 
(a)  Indicates a variable rate security. The maturity date presented for these
     instruments is the later of the next date on which the security can be
     redeemed at par or the next date on which the rate of interest is adjusted.
     The interest rate shown reflects the rate in effect at December 31, 1997.
 
(b)  The cost of securities for federal income tax purposes is substantially the
     same as for financial reporting purposes.
 
<TABLE>
<S>                                         <C>
The industry classification of portfolio holdings and
other assets in excess of liabilities shown as a
percentage of net assets as of December 31, 1997 was as
follows:
 
Commercial Bank                                    33.9%
Asset Backed Securities                            14.0%
Security Brokers & Dealers                         10.2%
Fire & Marine Casualty Insurance                    6.8%
Finance Lessors                                     5.8%
Miscellaneous Furniture                             4.6%
Telephone & Communications                          4.1%
Fire Insurance                                      2.8%
Mortgage Banker                                     2.6%
Bank Holding Company U.S.                           2.2%
Short-Term Business Credit                          2.0%
Petroleum Refining                                  1.5%
Photographic Equipment                              1.5%
Personal Credit                                     1.5%
Electrical Services                                 1.2%
Accident/Health Insurance                           0.9%
Beverages                                           0.8%
Construction                                        0.8%
Guided Missiles                                     0.6%
Pharmaceuticals                                     0.5%
Water Transport                                     0.5%
Regulating Controls                                 0.5%
Mining/Quarry                                       0.2%
                                            ------------
                                                   99.5%
Other assets in excess of liabilities               0.5%
                                            ------------
                                                  100.0%
                                            ------------
                                            ------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B3
<PAGE>
                           DIVERSIFIED BOND PORTFOLIO
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S                        PRINCIPAL
LONG-TERM INVESTMENTS -- 92.8%
<S>                                                 <C>           <C>      <C>       <C>        <C>
                                                       RATING     INTEREST MATURITY   AMOUNT        VALUE
                                                    (UNAUDITED)    RATE      DATE      (000)       (NOTE 2)
LONG-TERM BONDS
 
<CAPTION>
                                                    ------------  ------   --------  ---------  --------------
<S>                                                 <C>           <C>      <C>       <C>        <C>
AGRICULTURAL PRODUCTS & SERVICES -- 1.1%
  Agco Corp.,.....................................      Ba1        8.50%   03/15/06  $     600  $      637,500
  Archer Daniels Midland Co.,.....................      Aa3        6.95%   12/15/2097     8,400      8,509,536
                                                                                                --------------
                                                                                                     9,147,036
                                                                                                --------------
AIRLINES -- 4.7%
  Boeing Co., (a).................................      Aa3        8.75%   08/15/21      6,250       7,831,500
  Delta Air Lines, Inc., M.T.N....................      Baa3       7.79%   12/01/98      1,000       1,013,930
  Delta Air Lines, Inc., M.T.N....................      Baa3       8.38%   06/12/98      2,000       2,018,960
  Delta Air Lines, Inc.,..........................      Baa3      9.875%   05/15/00      6,000       6,464,520
  United Airlines, Inc.,..........................      Baa3       9.75%   08/15/21      4,500       5,758,515
  United Airlines, Inc.,..........................      Baa3      10.67%   05/01/04      7,000       8,390,060
  United Airlines, Inc.,..........................      Baa3      11.21%   05/01/14      5,000       7,011,550
                                                                                                --------------
                                                                                                    38,489,035
                                                                                                --------------
BANKS AND SAVINGS & LOANS -- 6.4%
  Banco Ganadero, M.T.N. SA, (Colombia)...........      Baa3       9.75%   08/26/99      4,100       4,212,750
  Bangkok Bank, (Thailand) (b)....................      Ba1       8.375%   01/15/27     12,000       7,032,120
  Banque Cent De Tunisie, (Tunisia)...............      Baa3       7.50%   09/19/07      3,000       2,805,000
  Capital One Bank,...............................      Baa3       7.08%   10/30/01      5,000       5,116,100
  Chase Manhattan Corp., (a)......................       A1        8.00%   06/15/99      2,000       2,050,880
  Chemical Bank, (a)..............................      Aa3       6.625%   08/15/05      2,000       2,016,600
  Compass Trust Bank,.............................       A3        8.23%   01/15/27      4,500       4,882,500
  International Bank for Reconstruction and
    Development, (Supranational)..................      Aaa       12.375%  10/15/02        750         946,125
  Kansallis-Osake Pankki, (Finland)...............       A3        8.65%   12/29/49      5,000       5,100,000
  Kansallis-Osake Pankki, (Finland) (a)...........       A3       10.00%   05/01/02      5,000       5,681,950
  National Australia Bank, (Australia)............       A1        6.40%   12/10/07      3,700       3,700,000
  Skandinaviska Enskilda Bank, (Sweden)...........      Baa1       7.50%   03/29/49      5,000       5,093,750
  Svenska Handelsbank, (Sweden)...................       A1       7.125%   03/29/49      3,500       3,526,250
                                                                                                --------------
                                                                                                    52,164,025
                                                                                                --------------
CABLE -- 1.5%
  Rogers Cablesystems, Inc., (Canada).............      Ba3       10.00%   03/15/05      4,000       4,400,000
  Videotron Holdings, PLC, Zero Coupon (until
    7/1/99).......................................      Baa3      11.125%  07/01/04      8,000       7,619,840
                                                                                                --------------
                                                                                                    12,019,840
                                                                                                --------------
CABLE & PAY TELEVISION SYSTEMS -- 0.4%
  Grupo Televisa SA, (Mexico).....................      Ba3       11.875%  05/15/06      2,500       2,825,000
                                                                                                --------------
COMPUTER SERVICES -- 0.6%
  Seagate Technology, Inc.,.......................      Baa3       7.45%   03/01/37      5,000       5,135,100
                                                                                                --------------
COMPUTERS -- 1.4%
  International Business Machines Corp., (a)......       A1       7.125%   12/01/2096    10,900     11,276,704
                                                                                                --------------
FINANCIAL SERVICES -- 20.5%
  Advanta Corp., M.T.N............................      Ba3        7.25%   08/16/99     10,000       9,859,700
  Advanta Mortgage Loan Trust, Series 1994-3
    (a)...........................................      Aaa        8.49%   01/25/26      8,500       8,925,000
  American General Finance, Inc., (a).............       A1       8.125%   03/15/46     12,000      13,311,600
  Aristar, Inc., (a)..............................       A3        5.75%   07/15/98      2,000       1,999,820
  Aristar, Inc.,..................................      Baa1       7.50%   07/01/99      2,000       2,037,120
  Arkwright Corp.,................................      Baa3      9.625%   08/15/26      5,000       5,919,750
  Chrysler Financial Corp., (a)...................       A3        9.50%   12/15/99      5,000       5,309,800
  Conseco, Inc.,..................................      Ba2        8.70%   11/15/26      1,600       1,788,880
  Conseco, Inc., (b)..............................      Ba2       8.796%   04/01/27     15,500      17,300,635
  Enterprise Rent-A-Car USA Finance Co., M.T.N....      Baa3       7.00%   06/15/00      9,000       9,179,640
  Enterprise Rent-A-Car USA Finance Co., M.T.N....      Baa2      7.875%   03/15/98      5,000       5,018,600
  Enterprise Rent-A-Car USA Finance Co., M.T.N....      Baa2       8.75%   12/15/99      3,000       3,147,000
  Felcor Suite Hotels, Inc.,......................      Ba1       7.625%   10/01/07      7,900       7,906,320
  Ford Motor Credit Co., (a)......................       A1        5.75%   01/25/01      4,000       3,944,680
  Ford Motor Credit Co., (a)......................       A1        6.25%   02/26/98      3,000       3,000,780
  General Motors Acceptance Corp., (a)............       A3        8.40%   10/15/99      3,700       3,836,937
  Green Tree Financial Corp.,.....................       NR        7.90%   03/15/28      7,694       7,946,940
  Industrial Financial Corp.,.....................      Ba1       7.875%   08/04/02      4,000       3,800,000
  Lumbermens Mutual Casualty Co.,.................      Baa1       8.30%   12/01/37     12,850      13,621,000
  Nationwide CSN Trust,...........................       A1       9.875%   02/15/25      5,000       5,896,950
  Polysindo Int'l. Finance Co., (Indonesia).......      Ba3       11.375%  06/15/06      3,000       2,430,000
  Polysindo Int'l. Finance Co., (Indonesia).......      Ba3       13.00%   06/15/01      2,500       2,275,000
  PT Alatief Freeport Financial Co.,
    (Netherlands).................................      Ba1        9.75%   04/15/01      5,750       5,807,500
  Reliastar Financial Corp., (a)..................       A3       6.625%   09/15/03      5,000       5,007,500
  Union Planters Corp.,...........................      Baa1       8.20%   12/15/26      5,000       5,251,550
  Vesta Insurance Group,..........................      Baa3      8.525%   01/15/27     12,000      13,231,200
                                                                                                --------------
                                                                                                   167,753,902
                                                                                                --------------
FOOD & BEVERAGE -- 1.4%
  RJR Nabisco, Inc.,..............................      Baa3       8.25%   07/01/04     11,000      11,563,750
                                                                                                --------------
FOREST PRODUCTS -- 0.8%
  Westvaco Corp., (a).............................       A1        9.75%   06/15/20      5,000       6,673,550
                                                                                                --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B4
<PAGE>
                     DIVERSIFIED BOND PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S                        PRINCIPAL
                                                       RATING     INTEREST MATURITY   AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)    RATE      DATE      (000)       (NOTE 2)
                                                    ------------  ------   --------  ---------  --------------
<S>                                                 <C>           <C>      <C>       <C>        <C>
INDUSTRIAL -- 0.4%
  Compania Sud Americana de Vapores, SA,
    (Chile).......................................       NR       7.375%   12/08/03  $   3,000  $    2,962,500
                                                                                                --------------
INVESTMENT BANKERS -- 7.4%
  Lehman Brothers Holdings, Inc., M.T.N...........      Baa1       6.40%   08/30/00     23,250      23,220,938
  Salomon Inc.,...................................      Baa1       6.25%   10/01/99      8,000       8,009,280
  Salomon Inc.,...................................       A2        6.50%   03/01/00     10,000      10,052,400
  Salomon Inc., M.T.N.............................       A2        6.59%   02/21/01     10,000      10,083,200
  Salomon Inc.,...................................       A2        6.65%   07/15/01      7,000       7,059,080
  Salomon Inc.,...................................       A2        7.25%   05/01/01      2,250       2,309,220
                                                                                                --------------
                                                                                                    60,734,118
                                                                                                --------------
LEISURE & TOURISM -- 2.7%
  Royal Caribbean Cruises Ltd.,...................      Baa3       7.00%   10/15/07      8,000       8,058,640
  Royal Caribbean Cruises Ltd.,...................      Baa3       7.25%   08/15/06      5,000       5,146,400
  Royal Caribbean Cruises Ltd.,...................      Baa3       7.50%   10/15/27      8,500       8,655,890
                                                                                                --------------
                                                                                                    21,860,930
                                                                                                --------------
MEDIA -- 6.0%
  News America Holdings, Inc., (a)................      Baa3       7.50%   03/01/00      6,000       6,134,760
  Paramount Communications, Inc.,.................      Ba2        7.50%   01/15/02      5,000       5,122,600
  Time Warner, Inc.,..............................      Ba1        8.18%   08/15/07      2,500       2,721,150
  Time Warner, Inc.,..............................      Ba1        7.75%   06/15/05      7,800       8,226,972
  Time Warner, Inc.,..............................      Ba1       9.125%   01/15/13      6,000       7,144,620
  Turner Broadcasting System, Inc.,...............      Ba1       8.375%   07/01/13      2,000       2,244,040
  Turner Broadcasting System, Inc.,...............      Ba1        7.40%   02/01/04     13,500      14,023,125
  Viacom, Inc.,...................................      Ba2        7.75%   06/01/05      3,000       3,051,270
                                                                                                --------------
                                                                                                    48,668,537
                                                                                                --------------
MISCELLANEOUS CONSUMER GROWTH -- 0.4%
  Whitman Corp.,..................................      Baa2       7.50%   08/15/01      3,000       3,107,220
                                                                                                --------------
MORTGAGE PASS-THROUGHS -- 3.0%
                                                                           02/15/08
                                                                              -
  Government National Mortgage Association,.......                 7.50%   02/15/26      3,675       3,783,890
                                                                           05/20/02
                                                                              -
  Government National Mortgage Association,.......                 7.50%   01/15/26     20,159      20,745,779
  Government National Mortgage Association,.......                 7.50%   02/15/09        133         137,714
                                                                                                --------------
                                                                                                    24,667,383
                                                                                                --------------
OIL & GAS -- 4.8%
  Apache Corp.,...................................      Baa1       7.95%   04/15/26      1,300       1,456,910
  B.J. Services Co.,..............................      Baa2       7.00%   02/01/06      5,000       5,118,750
  Gulf Canada Resources Ltd., (Canada)............      Ba1        8.25%   03/15/17      6,600       7,342,566
  Occidental Petroleum Corp.,.....................      Baa2      10.125%  11/15/01      5,000       5,641,200
  Occidental Petroleum Corp.,.....................      Baa2      11.125%  08/01/10      5,000       6,810,700
  Parker & Parsley Petroleum Co.,.................      Baa3       8.25%   08/15/07      4,000       4,405,760
  Seagull Energy Corp.,...........................      Ba1        7.50%   09/15/27      8,325       8,622,119
                                                                                                --------------
                                                                                                    39,398,005
                                                                                                --------------
PAPER & FOREST -- 0.8%
  UPM-Kymmene Oyj,................................      Baa1       7.45%   11/26/27      6,000       6,157,500
                                                                                                --------------
RAILROADS -- 1.8%
  CSX Corp.,......................................      Baa2       7.95%   05/01/27      3,000       3,391,080
  Norfolk Southern Corp., (a).....................      Baa1       7.80%   05/15/27     10,000      11,287,500
                                                                                                --------------
                                                                                                    14,678,580
                                                                                                --------------
RESTAURANTS -- 1.2%
  Darden Restaurants, Inc., (a)...................      Baa1      7.125%   02/01/16     10,000       9,606,500
                                                                                                --------------
RETAIL -- 2.8%
  Federated Department Stores, Inc.,..............      Baa2       8.50%   06/15/03     10,200      11,127,180
  Federated Department Stores, Inc.,..............      Baa2      8.125%   10/15/02      5,250       5,612,250
  Kmart Corp., M.T.N..............................      Ba3        9.80%   06/15/98      2,000       2,020,000
  Rite Aid Corp., (a).............................      Baa1       6.70%   12/15/01      4,000       4,065,000
                                                                                                --------------
                                                                                                    22,824,430
                                                                                                --------------
TELECOMMUNICATIONS -- 5.4%
  Impast Corp.,...................................       B2       12.125%  07/15/03      3,000       3,045,000
  McLeod USA Inc.,................................       B3        9.25%   07/15/07      2,000       2,100,000
  McLeod USA, Inc., Zero Coupon (until 3/1/02)....       B3       10.50%   03/01/07      5,000       3,637,500
  Tele-Communications, Inc.,......................      Ba1       7.875%   08/01/13      5,800       6,238,306
  Tele-Communications, Inc.,......................      Ba1       6.875%   02/15/06     10,000      10,036,800
  Tele-Communications, Inc.,......................      Ba1       10.125%  04/15/22      6,300       8,383,851
  Total Access Communications Public Company Ltd.,
    (Thailand)....................................      Ba2       8.375%   11/04/06     15,000       7,200,000
  WorldCom, Inc.,.................................      Ba1        7.75%   04/01/07      3,500       3,758,615
                                                                                                --------------
                                                                                                    44,400,072
                                                                                                --------------
UTILITIES -- 6.4%
  Arkla, Inc., M.T.N..............................      Baa3       9.32%   12/18/00      2,000       2,140,300
  Avon Energy Partners Holdings,..................       NR        7.05%   12/11/07      5,000       5,081,250
  California Infrastructure PG&E, Series
    1997-1,.......................................      Aaa        6.32%   09/25/05      4,000       3,993,750
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B5
<PAGE>
                     DIVERSIFIED BOND PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S                        PRINCIPAL
                                                       RATING     INTEREST MATURITY   AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)    RATE      DATE      (000)       (NOTE 2)
                                                    ------------  ------   --------  ---------  --------------
<S>                                                 <C>           <C>      <C>       <C>        <C>
  Cleveland Electric Illumination,................      Ba1        7.88%   11/01/17  $   5,700  $    6,017,490
  Commonwealth Edison Co.,........................      Baa3      7.625%   01/15/07      7,525       7,941,735
  El Paso Electric Company,.......................      Ba3        9.40%   05/01/11      4,000       4,522,280
  Hyder PLC,......................................      Baa1       7.25%   12/15/17     12,000      12,125,400
  Niagara Mohawk Power,...........................      Ba3       6.875%   04/01/03      4,000       3,988,440
  Niagara Mohawk Power,...........................      Ba3        8.00%   06/01/04      5,000       5,297,900
  Pennsylvania Power & Light Co., (a).............       A3       9.375%   07/01/21      1,150       1,284,113
                                                                                                --------------
                                                                                                    52,392,658
                                                                                                --------------
U.S. GOVERNMENT & AGENCY OBLIGATIONS -- 2.7%
  Federal Farm Credit Bank,.......................                 8.65%   10/01/99        150         156,891
  Resolution Funding Corp.,.......................                8.125%   10/15/19        700         861,875
  Resolution Funding Corp., (a)...................                 Zero    10/15/15     17,100       5,768,514
  Resolution Funding Corp.,.......................                8.625%   01/15/21        200         258,812
  United States Treasury Notes, (b)...............                7.875%   08/15/01      4,000       4,276,240
  United States Treasury Notes,...................                5.875%   09/30/02      4,950       4,977,077
  United States Treasury Notes,...................                 6.00%   07/31/02      1,000       1,010,470
  United States Treasury Notes,...................                6.125%   07/31/00      3,000       3,030,930
  United States Treasury Notes,...................                 6.25%   02/15/03      1,800       1,840,788
  United States Treasury Notes,...................                6.625%   07/31/01        200         205,624
                                                                                                --------------
                                                                                                    22,387,221
                                                                                                --------------
U.S. GOVERNMENT MORTGAGE BACKED SECURITIES -- 0.1%
  Federal National Mortgage Association,..........                 9.00%   10/01/16        305         323,942
  Federal National Mortgage Association,..........                 9.00%   05/01/17        211         225,908
  Federal National Mortgage Association,..........                 9.00%   09/01/21          6           6,628
                                                                                                --------------
                                                                                                       556,478
                                                                                                --------------
FOREIGN GOVERNMENT BONDS -- 8.1%
  Banco de Commercio Exterior de Colombia, SA,
    M.T.N., (Colombia)............................      Baa3      8.625%   06/02/00      2,000       2,045,000
  City of Moscow, (Russia)........................      Ba2        9.50%   05/31/00      5,000       4,725,000
  City of Moscow, (Russia)........................      Ba2        9.50%   05/31/00      2,000       1,890,000
  City of St. Petersburg, (Russia)................       NR        9.50%   06/18/02      5,000       4,500,000
  Republic of Colombia, (Colombia)................      Baa3      7.625%   02/15/07     12,500      11,672,125
  Republic of Colombia, (Colombia)................      Baa3       8.00%   06/14/01      1,600       1,605,600
  Republic of Colombia, (Colombia)................      Baa3       8.75%   10/06/99      3,500       3,604,370
  Republic of Panama, (Panama)....................      Ba1       7.875%   02/13/02      8,000       7,990,000
  Republic of Philippines, (Philippines)..........      Ba1        8.60%   06/15/27      1,000         820,000
  Republic of South Africa, (South Africa)........      Baa3       8.50%   06/23/17     17,000      16,235,000
  Rio De Janeiro, (Brazil)........................       B1       10.375%  07/12/99      5,000       4,956,250
  Russian Ministry of Finance, (Russia)...........      Ba2       10.00%   06/26/07      2,500       2,316,250
  United Mexican States, (Mexico).................      Ba2       11.50%   05/15/26      3,500       4,147,500
                                                                                                --------------
                                                                                                    66,507,095
                                                                                                --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $745,310,568).........................................................................     757,957,169
                                                                                                --------------
 
SHORT-TERM INVESTMENT -- 5.5%
REPURCHASE AGREEMENT
  Joint Repurchase Agreement Account
    (cost $45,329,000; Note 5)....................                 6.53%   01/02/98     45,329      45,329,000
                                                                                                --------------
TOTAL INVESTMENTS -- 98.3%
  (cost $790,639,568; Note 6).................................................................     803,286,169
                                                                                                --------------
VARIATION MARGIN ON OPEN FUTURES CONTRACTS (C) -- (0.0%)......................................        (214,531)
OTHER ASSETS IN EXCESS OF OTHER LIABILITIES -- 1.7%...........................................      13,635,093
                                                                                                --------------
TOTAL NET ASSETS -- 100.0%....................................................................  $  816,706,731
                                                                                                --------------
                                                                                                --------------
</TABLE>
 
    The following abbreviations are used in portfolio descriptions:
    M.T.N.  Medium Term Note
        SA  Sociedad Anonima (Spanish Corporation) or Societe Anonyme (French
            Corporation)
 
(a)  Security segregated as collateral for futures contracts.
(b)  Portion of security segregated as collateral for future contracts. The
     aggregate cost of the segregated securities is $26,272,861. The aggregated
     value is $23,624,600.
(c)  Open futures contracts as of December 31, 1997 are as follows:
 
<TABLE>
<CAPTION>
                                                          VALUE AT
 NUMBER OF                EXPIRATION      VALUE AT      DECEMBER 31,
 CONTRACTS      TYPE         DATE        TRADE DATE         1997       DEPRECIATION
 <S>         <C>          <C>          <C>             <C>             <C>
 Short Positions:
                    U.S.
                Treasury
    411            Notes    Mar 98      $  45,852,188   $46,096,219      $ (244,031)
             U.S.
             Treasury
    145      Bond           Mar 98      $  17,248,531   $17,467,969      $ (219,438)
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B6
<PAGE>
                          GOVERNMENT INCOME PORTFOLIO
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       PRINCIPAL
LONG-TERM INVESTMENTS -- 95.7%
<S>                                                 <C>      <C>       <C>        <C>
                                                    INTEREST MATURITY   AMOUNT        VALUE
                                                     RATE      DATE      (000)       (NOTE 2)
LONG-TERM BONDS -- 95.7%
 
<CAPTION>
                                                    ------   --------  ---------  --------------
<S>                                                 <C>      <C>       <C>        <C>
ASSET-BACKED SECURITIES -- 5.6%
  Chase Manhattan Credit Card Master Trust, Series
    1995-2 (a)(b).................................  6.110%   08/15/01  $  12,500  $   12,503,875
  Equicon Home Equity Loan Trust, Series 1994-2...  7.850%   03/18/14      1,029       1,034,799
  Team Financing Corp., Series 1997-1 Class A.....  7.350%   05/15/03     10,000      10,368,700
                                                                                  --------------
                                                                                      23,907,374
                                                                                  --------------
COLLATERALIZED MORTGAGE OBLIGATION -- 2.3%
  Main Place Funding (a)..........................  6.179%   07/17/98     10,000      10,018,750
                                                                                  --------------
CORPORATE -- 1.9%
  Merck & Co......................................  5.760%   05/03/37      8,000       8,232,880
                                                                                  --------------
MORTGAGE PASS-THROUGHS -- 36.0%
  Federal Home Loan Mortgage Corp., ARM...........  7.932%   06/01/25      7,450       7,652,695
  Federal National Mortgage Association...........  6.560%   08/27/04     25,000      25,218,750
                                                             05/01/10
                                                                -
  Federal National Mortgage Association...........  7.500%   12/01/12     20,920      21,488,806
                                                             03/01/22
                                                                -
  Federal National Mortgage Association...........  8.000%   05/01/26      1,913       1,985,086
                                                             05/01/24
                                                                -
  Federal National Mortgage Association...........  8.500%   04/01/25     24,639      25,836,437
                                                             02/01/25
                                                                -
  Federal National Mortgage Association...........  9.000%   04/01/25     10,179      10,851,475
                                                             04/08/07
                                                                -
  Federal National Mortgage Association Strips....   Zero    10/08/09     43,480      22,792,572
                                                             12/15/25
                                                                -
  Government National Mortgage Association........  7.500%   02/15/26     18,260      18,719,986
                                                             09/15/23
                                                                -
  Government National Mortgage Association........  8.000%   10/15/25     19,511      20,249,250
                                                                                  --------------
                                                                                     154,795,057
                                                                                  --------------
U.S. GOVERNMENT & AGENCY OBLIGATIONS -- 49.9%
  Israel AID......................................   Zero    03/15/06     18,272      11,233,991
  Israel AID......................................   Zero    08/15/09     20,000      10,000,000
  Resolution Funding Corp.........................  8.125%   10/15/19      4,200       5,171,250
  Small Business Administration Participation
    Certificate...................................  7.150%   01/01/17     19,125      19,966,691
  Small Business Administration Participation
    Certificate...................................  7.200%   10/01/16     19,338      20,178,133
  Small Business Adminstration Participation
    Certificate...................................  6.850%   07/01/17      5,000       5,166,050
  United States Treasury Bond (b).................  6.625%   02/15/27     25,000      27,140,500
  United States Treasury Bond (b).................  8.125%   08/15/19     28,000      35,035,000
  United States Treasury Bond (b).................  12.000%  08/15/13     24,100      35,509,904
  United States Treasury Note.....................  6.000%   08/15/00      5,000       5,035,950
  United States Treasury Note.....................  6.250%   10/31/01      3,500       3,559,605
  United States Treasury Note (b).................  7.750%   12/31/99     35,000      36,361,850
                                                                                  --------------
                                                                                     214,358,924
                                                                                  --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $398,044,627)...........................................................     411,312,985
                                                                                  --------------
 
SHORT-TERM INVESTMENT -- 3.1%
REPURCHASE AGREEMENT
  Joint Repurchase Agreement Account
    (cost $13,337,000; Note 5)....................   6.53%   01/02/98     13,337      13,337,000
                                                                                  --------------
TOTAL INVESTMENTS -- 98.8%
  (cost $411,381,627; Note 6)...................................................     424,649,985
                                                                                  --------------
VARIATION MARGIN ON OPEN FUTURES CONTRACTS -- (C)...............................         (38,438)
OTHER ASSETS IN EXCESS OF OTHER LIABILITIES -- 1.2%.............................       5,031,512
                                                                                  --------------
TOTAL NET ASSETS -- 100.0%......................................................  $  429,643,059
                                                                                  --------------
                                                                                  --------------
</TABLE>
 
(a)  The interest rate shown reflects the current rate of the variable rate
     instrument.
 
(b)  Pledged as initial margin on financial future contracts.
 
(c)  Open futures contracts as of December 31, 1997 are as follows:
 
<TABLE>
<CAPTION>
 NUMBER OF                                                       EXPIRATION      VALUE AT         VALUE AT
 CONTRACTS                          TYPE                            DATE        TRADE DATE    DECEMBER 31, 1997   DEPRECIATION
 <C>          <S>                                                <C>          <C>             <C>                 <C>
 Short Position:
    123       U.S. Treasury Note                                   Mar 98      $  13,722,187    $ 13,795,219       ($ 73,032)
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B7
<PAGE>
                        CONSERVATIVE BALANCED PORTFOLIO
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
LONG-TERM INVESTMENTS -- 91.8%
<S>                                                 <C>           <C>        <C>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT
                                                    (UNAUDITED)     (000)        VALUE
LONG-TERM BONDS -- 58.6%                                                        (NOTE 2)
 
<CAPTION>
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
AGRICULTURAL PRODUCTS & SERVICES -- 0.1%
  Agco Corp.,
    8.50%, 03/15/06...............................      Ba1       $   2,875  $    3,054,687
                                                                             --------------
AIRLINES -- 4.2%
  Delta Airlines, Inc.,
    10.125%, 05/15/10.............................      Baa3         20,000      25,218,200
    10.375%, 02/01/11 (a).........................      Ba1          56,905      73,306,108
  United Airlines, Inc.,
    6.126%, 03/02/04..............................      Aa2           8,000       7,988,000
    9.75%, 08/15/21...............................      Baa3         10,125      12,956,659
    10.67%, 05/01/04..............................      Baa3         46,665      55,931,736
    11.21%, 05/01/14..............................      Baa3         18,433      25,848,780
                                                                             --------------
                                                                                201,249,483
                                                                             --------------
ASSET-BACKED SECURITIES -- 1.6%
  California Infrastructure,
    6.14%, 03/25/02...............................      Aaa           5,500       5,511,000
    6.17%, 03/25/03...............................      Aaa           6,000       6,018,600
    6.28%, 09/25/05...............................      Aaa           7,000       7,042,000
    6.38%, 09/25/08...............................      Aaa          21,000      21,172,200
    6.42%, 12/26/09...............................      Aaa          10,000      10,110,000
    6.48%, 11/26/09...............................      Aaa          10,000      10,115,625
  Standard Credit Card Master Trust,
    5.95%, 10/07/04 (a)...........................      Aaa           4,650       4,602,012
  Team Financing Corp,
    7.35%, 05/15/03...............................      Aa2          11,000      11,405,570
                                                                             --------------
                                                                                 75,977,007
                                                                             --------------
BANKS AND SAVINGS & LOANS -- 5.9%
  Banco Ganadero, M.T.N. SA (Colombia),
    9.75%, 08/26/99...............................      Baa3          7,300       7,500,750
  Bangkok Bank, (Thailand),
    7.25%, 09/15/05...............................      Ba1          10,000       7,452,800
    8.25%, 03/15/16...............................      Ba1           7,500       5,250,000
    8.375%, 01/15/27 Sr. Note.....................      Ba1          40,000      23,440,400
  Bank Nova Scotia,
    6.50%, 07/15/07...............................       A1           7,200       7,218,000
  Bank of Boston N.A.,
    5.973%, 01/25/99..............................       A2           2,500       2,507,600
  Bankers Trust New York Corp.,
    5.813%, 08/06/00..............................       A2           7,500       7,485,000
  Banque Cent De Tunisie, (Tunisia),
    7.50%, 09/19/07...............................      Baa3         17,950      16,783,250
  Capital One Bank,
    6.97%, 02/04/02...............................      Baa3         25,000      25,362,750
    7.08%, 10/30/01...............................      Baa3         35,100      35,915,022
    7.35%, 06/20/00...............................      Baa3          8,100       8,293,266
    8.125%, 03/01/00..............................      Baa3         13,150      13,630,501
  Chase, Inc.
    6.075%, 02/28/00..............................      Aa3           4,000       4,006,160
  Kansallis-Osake Pankki, (Finland),
    8.65%, 12/29/49...............................       A3          10,000      10,200,000
  National Australia Bank, (Australia),
    6.40%, 12/10/07...............................       A1          14,000      14,000,000
  Nationsbank Corp.,
    6.076%, 06/19/02..............................       A1           5,000       5,005,850
  North Fork Bancorporation, Inc.,
    8.00%, 12/15/27...............................      Baa3          4,000       4,068,800
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  Okobank, (Finland),
    7.20%, 10/29/49...............................       A3       $   9,000  $    9,101,250
    7.20%, 10/29/49...............................       A3           3,500       3,539,375
    7.312%, 09/27/49..............................       A3          18,750      19,031,250
  Royal Bank of Canada, (Canada),
    6.75%, 10/24/11 (a)...........................      Aa3          17,400      17,513,448
  Siam Commercila, (Thailand),
    7.50%, 03/15/06...............................       A3          14,500       9,425,000
  Svenska Handelsbank, (Sweden),
    7.125%, 03/29/49..............................       A1          10,000      10,075,000
  Thai Farmers Bank, (Thailand),
    8.25%, 08/21/16 (a)...........................      Ba1          20,000      12,000,000
                                                                             --------------
                                                                                278,805,472
                                                                             --------------
CABLE & PAY TELEVISION SYSTEMS -- 2.0%
  Continental Cablevision, Inc.,
    8.50%, 09/15/01...............................      Baa3          5,545       5,889,455
  Tele-Communications, Inc.,
    6.875%, 02/15/06..............................      Ba1          10,000      10,036,800
    7.375%, 02/15/00..............................      Ba1          27,000      27,521,100
    7.875%, 08/01/13..............................      Ba1          19,350      20,812,279
    8.25%, 01/15/03...............................      Ba1           2,000       2,135,780
    9.25%, 04/15/02...............................      Ba1           9,500      10,427,865
    9.875%, 06/15/22..............................      Ba1          12,900      16,811,667
                                                                             --------------
                                                                                 93,634,946
                                                                             --------------
CONSULTING -- 0.7%
  Comdisco, Inc., M.T.N.,
    6.11%, 08/04/99...............................      Baa1         12,500      12,513,250
    6.375%, 11/30/01..............................      Baa1         21,500      21,500,000
                                                                             --------------
                                                                                 34,013,250
                                                                             --------------
CONSUMER SERVICES -- 0.1%
  Service Corp. International,
    7.00%, 06/01/15...............................      Baa1          2,500       2,557,875
                                                                             --------------
ENERGY -- 0.1%
  Baltimore Gas & Electric,
    5.886%, 03/15/99..............................       A2           3,500       3,503,570
                                                                             --------------
FINANCIAL SERVICES -- 15.4%
  Advanta Corp.,
    6.99%, 10/18/99...............................      Ba3          15,000      14,400,000
    7.25%, 08/16/99...............................      Ba3           3,000       2,957,910
    7.50%, 08/28/00...............................      Ba3          35,000      34,053,250
  American General Finance, Inc.,
    7.57%, 12/01/45...............................       A2           5,000       5,178,500
  Arkwright Corp.,
    9.625%, 08/15/26..............................      Baa3          8,000       9,471,600
  Avco Financial Services,
    5.915%, 11/17/99..............................       NR           3,500       3,498,950
  Bear Stearns & Co.,
    6.50%, 07/05/00...............................       A2          20,000      20,120,800
  Central Hispano Financial Services, (Portugal),
    6.25%, 04/28/05...............................       A3          10,000      10,000,000
  Conseco, Inc.,
    8.70%, 11/15/26 (a)...........................      Ba2          32,313      36,126,991
    8.796%, 04/01/27 (a)..........................      Ba2          23,900      26,676,463
  Donaldson Lufkin, & Jenrette Inc.,
    5.625%, 02/15/16..............................      Baa1          5,480       5,395,827
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B8
<PAGE>
                  CONSERVATIVE BALANCED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  Enterprise Rent-A-Car USA Finance Co., M.T.N.,
    6.35%, 01/15/01...............................      Baa2      $  11,500  $   11,554,050
    6.95%, 03/01/04...............................      Baa2         27,500      28,050,000
    7.00%, 06/15/00...............................      Baa2         30,000      30,598,800
    7.50%, 06/15/03...............................      Baa2          5,000       5,261,900
    8.75%, 12/15/99...............................      Baa2          5,000       5,245,000
  First Chicago NBD Corp.,
    5.819%, 09/23/02..............................       A1           8,000       7,976,000
  First Union Corp.,
    9.45%, 06/15/99...............................       A2           4,000       4,177,920
  Great Western Financial,
    8.206%, 02/01/27 (a)..........................       A3          19,300      20,469,966
  Industrial Finance Corp.,
    7.75%, 08/04/07...............................      Ba1           5,000       4,750,000
    7.875%, 08/04/02..............................      Ba1           6,000       5,700,000
  Lehman Brothers Holdings, Inc.,
    6.206%, 09/03/02..............................      Baa1          8,000       7,950,000
    6.33%, 08/01/00...............................      Baa1         30,000      30,039,600
    6.40%, 08/30/00...............................      Baa1         79,000      78,901,250
    6.71%, 10/12/99...............................      Baa1          6,000       6,056,640
    6.89%, 10/10/00...............................      Baa1         10,545      10,701,804
    7.125%, 07/15/02..............................      Baa1         16,000      16,359,680
  Lumbermens Mutual Casualty Co.,
    8.30%, 12/01/37...............................      Baa1         21,750      23,055,000
    9.15%, 07/01/26...............................      Baa1          7,500       8,728,125
  Merita Bank, Ltd.,
    7.50%, 12/29/49...............................       A3          15,000      15,390,000
  Merrill Lynch Pierce, Fenner & Smith,
    5.935%, 11/14/00..............................      Aa3          10,000       9,966,250
  Paine Webber Group, Inc.,
    7.625%, 10/15/08 Sr. Note.....................      Baa1          5,000       5,352,700
  PT Alatief Freeport Financial Co., Sr. Notes,
    (Netherlands),
    9.75%, 04/15/01...............................      Ba1           8,950       9,039,500
  Salomon, Inc.,
    6.25%, 10/01/99...............................       A2          32,800      32,838,048
    6.50%, 03/01/00 (a)...........................       A2          38,500      38,701,740
    6.59%, 02/21/01 (a)...........................       A2          30,750      31,005,840
    6.75%, 02/15/03...............................       A2           5,000       5,057,850
    7.25%, 05/01/01...............................       A2           8,625       8,852,010
  Sears Roebuck Acceptance Corp., M.T.N.,
    6.38%, 02/16/99...............................       A2          25,000      25,125,000
  SunAmerica, Inc.,
    6.20%, 10/31/99...............................      Baa1          9,000       9,008,100
  Textron Financial Corp.,
    6.05%, 03/16/09...............................      Aaa          46,440      46,354,771
  Union Planters Corp., Gtd. Notes,
    8.20%, 12/15/26...............................      Baa1         20,750      21,793,932
                                                                             --------------
                                                                                731,941,767
                                                                             --------------
FOOD & BEVERAGE -- 0.5%
  Archer-Daniels-Midland Co.,
    6.75%, 12/15/27...............................      Aa3           5,000       5,008,650
    6.95%, 12/15/2097.............................      Aa3          18,800      19,045,152
                                                                             --------------
                                                                                 24,053,802
                                                                             --------------
INDUSTRIAL -- 0.8%
  Compania Sud Americana de Vapores, SA (Chile),
    7.375%, 12/08/03..............................       NR           7,600       7,505,000
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  Reliance Industries Ltd.,
    8.125%, 09/27/05..............................      Baa3      $  15,000  $   14,025,000
    8.25%, 01/15/27...............................      Baa3         19,000      17,005,000
                                                                             --------------
                                                                                 38,535,000
                                                                             --------------
LEISURE & TOURISM -- 0.1%
  Royal Carribean Cruises Ltd.,
    7.50%, 10/15/27...............................      Baa3          5,750       5,855,455
                                                                             --------------
MEDIA -- 5.7%
  Paramount Communications, Inc., Sr. Notes,
    7.50%, 01/15/02...............................      Ba2           6,425       6,582,541
  Time Warner, Inc.,
    6.10%, 12/30/01...............................      Ba1          27,650      27,016,815
    8.11%, 08/15/06...............................      Ba1           7,250       7,848,850
    8.18%, 08/15/07...............................      Ba1          24,915      27,118,981
    9.125%, 01/15/13..............................      Ba1          41,270      49,143,078
  Turner Broadcasting Co.,
    8.375%, 07/01/13..............................      Ba1          17,325      19,438,997
  Viacom, Inc.,
    6.75%, 01/15/03...............................      Ba2          71,325      70,082,518
    7.75%, 06/01/05...............................      Ba2          60,025      61,050,827
                                                                             --------------
                                                                                268,282,607
                                                                             --------------
OIL & GAS -- 1.6%
  Apache Corp.,
    7.95%, 04/15/26...............................      Baa1          2,900       3,250,030
  B.J. Services Co.,
    7.00%, 02/01/06...............................      Baa2          4,000       4,095,000
  Gulf Canada Resources, Ltd., (Canada),
    8.25%, 03/15/17...............................      Ba1           4,500       5,006,295
  Parker & Parsley Petroleum Co.,
    8.25%, 08/15/07...............................      Baa3          3,000       3,304,320
  Petroliam Nasional, (Malaysia),
    6.625%, 10/18/01..............................       A2          12,000      11,662,680
  Seagull Energy Corp.,
    7.50%, 09/15/27...............................      Ba1          17,000      17,606,730
  Talisman Energy Inc.,
    7.25%, 10/15/27...............................      Baa1         30,000      30,829,800
                                                                             --------------
                                                                                 75,754,855
                                                                             --------------
PAPER & FOREST -- 0.5%
  UPM-Kymmene Oyj,
    7.45%, 11/26/27...............................      Baa1         22,800      23,398,500
                                                                             --------------
RAILROADS -- 0.5%
  Norfolk Southern Corp.,
    7.05%, 05/01/37...............................      Baa1         25,000      26,218,750
                                                                             --------------
REAL ESTATE INVESTMENT TRUST -- 0.2%
  Falcor Suite Hotels, Inc.,
    7.625%, 10/1/07...............................      Ba1           8,000       8,006,400
                                                                             --------------
RETAIL -- 2.8%
  Federated Department Stores, Inc.,
    8.125%, 10/15/02 Sr. Note (a).................      Baa2         41,030      43,861,070
    8.50%, 06/15/03 (a)...........................      Baa2         32,400      35,345,160
    10.00%, 02/15/01 (a)..........................      Baa2         46,115      50,791,061
  Rite Aid Corp.,
    6.70%, 12/15/01...............................      Baa1          5,000       5,081,250
                                                                             --------------
                                                                                135,078,541
                                                                             --------------
TELECOMMUNICATIONS -- 3.6%
  McLeod USA Inc., Sr. Notes,
    9.25%, 07/15/07...............................       B3           3,000       3,150,000
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       B9
<PAGE>
                  CONSERVATIVE BALANCED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  Total Access Communications Public Company Ltd.,
    (Thailand),
    8.375%, 11/04/06..............................      Ba2       $  33,000  $   15,840,000
  WorldCom, Inc.,
    7.55%, 04/01/04...............................      Ba1          80,000      83,775,200
    7.75%, 04/01/07...............................      Ba1          25,000      26,847,250
    7.75%, 04/01/27...............................      Ba1           4,500       4,944,420
    8.875%, 01/15/06..............................      Ba1          32,000      34,429,440
                                                                             --------------
                                                                                168,986,310
                                                                             --------------
TOBACCO -- 3.0%
  Philip Morris Co. Inc.,
    6.375%, 02/01/06..............................       A2          17,675      17,359,501
    7.20%, 02/01/07...............................       A2          31,915      32,932,769
  RJR Nabisco, Inc.,
    7.625%, 09/15/03..............................      Baa3         10,500      10,732,260
    8.25%, 07/01/04...............................      Baa3          8,000       8,410,000
    8.50%, 07/01/07...............................      Baa3         11,000      11,726,550
    8.75%, 04/15/04...............................      Baa3         23,090      24,719,000
    8.75%, 08/15/05...............................      Baa3         19,000      20,499,670
    9.25%, 08/15/13...............................      Baa3         13,571      15,227,341
                                                                             --------------
                                                                                141,607,091
                                                                             --------------
TRANSPORTATION/TRUCKING/SHIPPING -- 0.0%
  Federal Express Corp., M.T.N.,
    10.05%, 06/15/99..............................      Baa2            500         527,645
                                                                             --------------
UTILITIES -- 1.9%
  Commonwealth Edison Co.,
    7.375%, 01/15/04..............................      Baa3         14,000      14,523,880
    7.625%, 01/15/07..............................      Baa3         21,000      22,162,980
  Hyder PLC, (United Kingdom),
    6.75%, 12/15/04...............................      Baa1         25,000      25,093,750
    6.875%, 12/15/17..............................      Baa1         25,000      25,438,750
  Hydro-Quebec, (Canada),
    5.938%, 09/29/49..............................       A+           5,000       4,415,625
                                                                             --------------
                                                                                 91,634,985
                                                                             --------------
U.S. GOVERNMENT & AGENCY OBLIGATIONS -- 3.1%
  United States Treasury Bond,
    6.125%, 08/15/07..............................                    7,500       7,707,450
  United States Treasury Notes,
    5.875%, 01/31/99 (a)..........................                   20,000      20,046,800
    5.875%, 09/30/02..............................                   28,550      28,706,169
    5.875%, 02/15/04..............................                   16,750      16,896,563
    6.25%, 10/31/01...............................                    9,500       9,661,785
    6.375%, 03/31/01 (a)..........................                    4,600       4,686,250
    6.375%, 08/15/27..............................                   57,325      60,460,104
                                                                             --------------
                                                                                148,165,121
                                                                             --------------
FOREIGN GOVERNMENT BONDS -- 4.2%
  Abbey National Treasury, (United Kingdom),
    5.875%, 03/08/99..............................      Aa2           5,500       5,492,850
  Banco de Commercio Exterior de Colombia, S.A.,
    M.T.N. (Colombia),
    8.625%, 06/02/00..............................      Baa3          5,500       5,623,750
  City of Moscow, (Russia),
    9.50%, 05/31/00...............................      Ba2          16,500      15,592,500
  City of St. Petersburg, (Russia),
    9.50%, 06/18/02...............................       NR          25,000      22,500,000
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  Province of Quebec, (Canada),
    6.238%, 06/15/99..............................       A2       $   3,000  $    3,007,969
  Republic of Colombia, (Colombia),
    7.625%, 02/15/07 (a)..........................      Baa3         85,000      79,370,450
    8.00%, 06/14/01...............................      Baa3          2,250       2,257,875
    8.75%, 10/06/99...............................      Baa3         12,325      12,692,532
  Republic of South Africa, (South Africa),
    8.50%, 06/23/17...............................      Baa3         37,950      36,242,250
  Russian Ministry of Finance, (Russia),
    10.00%, 06/26/07..............................      Ba2           7,800       7,226,700
  United Mexican States, (Mexico),
    11.50%, 05/15/26..............................      Ba2           6,900       8,176,500
                                                                             --------------
                                                                                198,183,376
                                                                             --------------
TOTAL LONG-TERM BONDS
  (cost $2,787,932,280)....................................................   2,779,026,495
                                                                             --------------
 
COMMON STOCKS -- 32.5%                                 SHARES
                                                    -------------
AEROSPACE -- 0.8%
  AlliedSignal, Inc...............................        196,400       7,647,325
  GenCorp, Inc....................................        100,000       2,500,000
  Litton Industries, Inc. (b).....................         78,900       4,536,750
  Lockheed Martin Corp............................        193,000      19,010,500
  Parker-Hannifin Corp. (b).......................         43,925       2,015,059
  Raytheon Co. (Class "A" Stock) (b)..............          7,295         359,749
                                                                   --------------
                                                                       36,069,383
                                                                   --------------
AIRLINES -- 0.4%
  AMR Corp. (b)...................................         84,700      10,883,950
  US Airways Group, Inc. (b)......................        114,900       7,181,250
                                                                   --------------
                                                                       18,065,200
                                                                   --------------
APPAREL -- 0.0%
  Phillips-Van Heusen Corp........................         96,300       1,372,275
                                                                   --------------
AUTOS - CARS & TRUCKS -- 0.4%
  Chrysler Corp...................................        147,800       5,200,712
  Ford Motor Co...................................         95,600       4,654,525
  General Motors Corp.............................        111,000       6,729,375
  Mascotech, Inc..................................         96,000       1,764,000
  Titan International, Inc........................        102,950       2,065,434
                                                                   --------------
                                                                       20,414,046
                                                                   --------------
BANKS AND SAVINGS & LOANS -- 1.4%
  BankAmerica Corp................................        172,000      12,556,000
  Barnett Banks, Inc..............................        179,600      12,908,750
  Chase Manhattan Corp............................        213,800      23,411,100
  Citicorp........................................         56,800       7,181,650
  Fleet Financial Group, Inc......................        166,100      12,447,119
                                                                   --------------
                                                                       68,504,619
                                                                   --------------
CHEMICALS -- 0.2%
  Ferro Corp......................................        137,100       3,333,244
  Millennium Chemicals, Inc.......................        148,927       3,509,092
  OM Group, Inc...................................         64,400       2,358,650
                                                                   --------------
                                                                        9,200,986
                                                                   --------------
COMMERCIAL SERVICES -- 0.3%
  Cendant Corp. (b)...............................        373,700      12,845,937
                                                                   --------------
COMPUTER SERVICES -- 1.5%
  Autodesk, Inc...................................        671,600      24,849,200
  BMC Software, Inc. (b)..........................        296,400      19,451,250
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B10
<PAGE>
                  CONSERVATIVE BALANCED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Cadence Design Systems, Inc. (b)................        693,800  $   16,998,100
  Microsoft Corp. (a).............................         67,900       8,776,075
                                                                   --------------
                                                                       70,074,625
                                                                   --------------
COMPUTERS -- 2.1%
  3Com Corp. (b)..................................        519,600      18,153,525
  Cisco Systems, Inc. (b).........................        436,050      24,309,787
  Compaq Computer Corp............................        245,300      13,844,119
  Digital Equipment Corp. (b).....................         99,200       3,670,400
  International Business Machines Corp............        179,800      18,800,337
  Sun Microsystems, Inc. (b)......................        552,900      22,046,887
                                                                   --------------
                                                                      100,825,055
                                                                   --------------
CONSTRUCTION -- 0.2%
  Oakwood Homes Corp..............................        141,600       4,699,350
  Standard Pacific Corp...........................        156,600       2,466,450
  Webb Corp.......................................        142,600       3,707,600
                                                                   --------------
                                                                       10,873,400
                                                                   --------------
CONSUMER-APPLIANCES -- 0.3%
  Sunbeam Corp.,..................................        293,000      12,342,625
                                                                   --------------
CONTAINERS -- 0.0%
  Owens-Illinois, Inc. (b)........................         58,300       2,211,756
                                                                   --------------
COSMETICS & SOAPS -- 0.5%
  Avon Products, Inc..............................        425,600      26,121,200
                                                                   --------------
DIVERSIFIED OPERATIONS -- 1.0%
  Cognizant Corp..................................        289,800      12,914,212
  General Electric Co.............................        408,600      29,981,025
  Whitman Corp....................................        135,000       3,518,437
                                                                   --------------
                                                                       46,413,674
                                                                   --------------
DRUGS AND MEDICAL SUPPLIES -- 3.8%
  American Home Products Corp.,...................        315,500      24,135,750
  Biogen, Inc. (b)................................        532,500      19,369,687
  Bristol-Myers Squibb Co.........................        308,700      29,210,737
  Cardinal Health, Inc............................        300,300      22,560,037
  Guidant Corp....................................        202,400      12,599,400
  Medtronic, Inc..................................        398,500      20,846,531
  Novartis Corp., AG, ADR (Switzerland)...........         84,100       6,833,125
  Pfizer, Inc.....................................        253,800      18,923,962
  Warner-Lambert Co...............................        190,400      23,609,600
                                                                   --------------
                                                                      178,088,829
                                                                   --------------
ELECTRICAL EQUIPMENT -- 0.0%
  Belden, Inc.....................................         68,200       2,404,050
                                                                   --------------
ELECTRONICS -- 0.5%
  Intel Corp......................................         79,600       5,591,900
  National Semiconductor Corp. (b)................        738,400      19,152,250
                                                                   --------------
                                                                       24,744,150
                                                                   --------------
ENGINEERING & CONSTRUCTION -- 0.0%
  Giant Cement Holdings, Inc. (b).................         59,100       1,366,687
                                                                   --------------
ENVIRONMENTAL SERVICES -- 0.5%
  U.S.A. Waste Services, Inc. (b).................        651,100      25,555,675
                                                                   --------------
EXPLORATION & PRODUCTION -- 0.0%
  Apex Silver Mines Ltd. (b)......................         83,600       1,065,900
                                                                   --------------
FINANCIAL SERVICES -- 1.6%
  Fannie Mae......................................         24,900       1,420,856
  Lehman Brothers Holdings, Inc...................        254,000      12,954,000
  Merrill Lynch & Co., Inc........................         59,200       4,317,900
  Morgan Stanley, Dean Witter, Discover & Co.,....        334,090      19,753,071
  Schwab (Charles) Corp...........................        417,600      17,513,100
  Travelers Group, Inc............................        357,967      19,285,472
                                                                   --------------
                                                                       75,244,399
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
FOOD & BEVERAGES -- 1.3%
  PepsiCo, Inc....................................        740,500  $   26,981,969
  Quaker Oats Co..................................        317,300      16,737,575
  Ralston-Ralston Purina Group....................        205,600      19,107,950
                                                                   --------------
                                                                       62,827,494
                                                                   --------------
FOREST PRODUCTS -- 0.3%
  Boise Cascade Corp.,............................        145,600       4,404,400
  Champion International Corp.....................         96,200       4,359,062
  Louisiana-Pacific Corp..........................        100,400       1,907,600
  Mead Corp.......................................         96,500       2,702,000
  Willamette Industries, Inc......................         70,300       2,262,781
                                                                   --------------
                                                                       15,635,843
                                                                   --------------
HEALTHCARE -- 0.1%
  A.O. Smith Corp.................................         71,500       3,020,875
                                                                   --------------
HOSPITALS/ HOSPITAL MANAGEMENT -- 0.6%
  Columbia/HCA Healthcare Corp.,..................        203,800       6,037,575
  Healthsouth Corp. (b)...........................        779,300      21,625,575
                                                                   --------------
                                                                       27,663,150
                                                                   --------------
HOUSEHOLD PRODUCTS -- 0.0%
  Leggett & Platt, Inc............................         58,300       2,441,312
                                                                   --------------
HOUSING RELATED -- 0.2%
  Hanson, PLC, ADR (United Kingdom)...............        260,962       6,018,436
  Owens Corning...................................        100,100       3,415,912
                                                                   --------------
                                                                        9,434,348
                                                                   --------------
INSURANCE -- 1.2%
  Allstate Corp...................................        150,000      13,631,250
  Berkley (WR) Corp...............................         43,100       1,891,012
  Financial Security Assurance Holdings Ltd.,.....         34,600       1,669,450
  Loews Corp......................................         29,500       3,130,687
  PennCorp Financial Group, Inc...................         81,600       2,912,100
  Provident Companies, Inc........................         54,300       2,097,337
  Reinsurance Group of America, Inc...............        117,450       4,998,966
  TIG Holdings, Inc...............................         86,900       2,883,994
  Trenwick Group, Inc.............................         65,950       2,481,369
  United Healthcare Corp..........................        377,000      18,732,187
  Western National Corp...........................        134,500       3,984,562
                                                                   --------------
                                                                       58,412,914
                                                                   --------------
INSTRUMENTS-CONTROLS -- 0.0%
  Flowserve Corp..................................         40,186       1,122,696
                                                                   --------------
LEISURE -- 0.5%
  Carnival Corp. (Class "A" Stock)................        398,800      22,083,550
                                                                   --------------
MACHINERY -- 0.2%
  Case Corp.......................................         88,400       5,342,675
  DT Industries, Inc..............................         36,400       1,237,600
  Global Industrial
    Technologies, Inc. (b)........................         62,400       1,056,900
  Paxar Corp. (b).................................        233,725       3,462,052
                                                                   --------------
                                                                       11,099,227
                                                                   --------------
MANUFACTURING -- 1.0%
  Illinois Tool Works, Inc. (b)...................        181,300      10,900,663
  Tyco International, Ltd.........................        802,800      36,176,175
                                                                   --------------
                                                                       47,076,838
                                                                   --------------
MEDIA -- 0.2%
  Central Newspapers, Inc. (Class "A" Stock)......         50,800       3,756,025
  Houghton Mifflin Co.............................         59,700       2,290,988
  Knight-Ridder, Inc..............................         59,200       3,078,400
  Lee Enterprises, Inc............................         51,700       1,528,381
                                                                   --------------
                                                                       10,653,794
                                                                   --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B11
<PAGE>
                  CONSERVATIVE BALANCED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
MEDICAL INSTRUMENTS -- 0.3%
  Arterial Vascular Engineering, Inc., (b)........        198,200  $   12,883,000
                                                                   --------------
METALS-FERROUS -- 0.2%
  Bethlehem Steel Corp. (b).......................        225,200       1,942,350
  LTV Corp........................................        208,300       2,030,925
  Material Sciences Corp. (b).....................         98,500       1,200,469
  National Steel Corp. (Class "B" Stock) (b)......         42,900         496,031
  USX-U.S. Steel Group............................         61,800       1,931,250
                                                                   --------------
                                                                        7,601,025
                                                                   --------------
METALS-NON FERROUS -- 0.2%
  Aluminum Company of America.....................        147,600      10,387,350
                                                                   --------------
MISCELLANEOUS - BASIC INDUSTRY -- 0.3%
  Coltec Industries, Inc. (b).....................         44,400       1,029,525
  Donaldson, Co...................................         55,500       2,500,969
  IDEX Corp.......................................         61,100       2,130,863
  Mark IV Industries, Inc.........................         87,942       1,923,731
  Trinity Industries, Inc.........................         53,100       2,369,588
  Wolverine Tube, Inc. (b)........................         37,600       1,165,600
  York International Corp.........................         27,400       1,084,013
                                                                   --------------
                                                                       12,204,289
                                                                   --------------
MISCELLANEOUS - CONSUMER GROWTH/STABLE -- 0.3%
  Eastman Kodak Co................................         29,200       1,775,725
  Unilever N.V., ADR (United Kingdom).............        237,000      14,797,688
                                                                   --------------
                                                                       16,573,413
                                                                   --------------
MISCELLANEOUS - INDUSTRIAL -- 0.2%
  CBS Corp........................................        207,400       6,105,338
  Energy Group, PLC, ADR (United Kingdom).........         49,862       2,225,092
                                                                   --------------
                                                                        8,330,430
                                                                   --------------
OIL & GAS -- 1.3%
  Basin Exploration, Inc. (b).....................         17,700         314,175
  Cabot Oil & Gas Corp. (Class "A" Stock).........         90,100       1,751,319
  Cross Timbers Oil Co............................        296,300       7,388,981
  Elf Aquitaine SA, ADR (France)..................        126,900       7,439,513
  Enron Oil & Gas Co..............................         49,200       1,042,425
  Murphy Oil Corp.................................         28,100       1,522,669
  Noble Affiliates, Inc.,.........................        196,700       6,933,675
  Pioneer Natural Resources Co....................        325,044       9,405,961
  Seagull Energy Corp. (b)........................         63,700       1,313,813
  Total SA (Class "B" Stock) (France).............        126,800       7,037,400
  Unocal Corp.....................................        389,700      15,125,231
  Western Gas Resources, Inc.,....................        104,700       2,316,488
                                                                   --------------
                                                                       61,591,650
                                                                   --------------
OIL & GAS SERVICES -- 1.5%
  Apache Corp.....................................        498,500      17,478,656
  Halliburton Co..................................        595,200      30,913,200
  J. Ray McDermott, SA (b)........................        166,500       7,159,500
  McDermott International, Inc....................        307,700      11,269,513
  Oryx Energy Co. (b).............................        125,500       3,200,250
                                                                   --------------
                                                                       70,021,119
                                                                   --------------
REAL ESTATE DEVELOPMENT -- 0.2%
  Crescent Operating, Inc. (b)....................         17,360         425,320
  Crescent Real Estate Equities, Inc..............        166,300       6,548,063
  Equity Residential Properties Trust.............         14,600         738,213
                                                                   --------------
                                                                        7,711,596
                                                                   --------------
RETAIL -- 4.2%
  Bombay Company, Inc. (b)........................        141,500         654,438
  Borders Group, Inc. (b).........................        656,000      20,541,000
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Charming Shoppes, Inc. (b)......................        824,800  $    3,866,250
  Consolidated Stores Corp. (b)...................        466,900      20,514,419
  Costco Companies, Inc. (b)......................        373,200      16,654,050
  CVS Corp........................................        157,900      10,115,469
  Designs, Inc. (b)...............................         52,800         158,400
  Dillards, Inc. (Class "A" Stock)................         32,200       1,135,050
  Federated Department Stores, Inc. (b)...........        242,700      10,451,269
  Home Depot, Inc.................................        276,050      16,252,444
  Jan Bell Marketing, Inc. (b)....................        153,800         384,500
  Kmart Corp. (b).................................        619,600       7,164,125
  Kroger Co. (b)..................................        407,400      15,048,338
  Liz Claiborne, Inc..............................        276,600      11,565,338
  Rite Aid Corp...................................        241,700      14,184,769
  Safeway, Inc. (b)...............................        407,800      25,793,350
  Tandy Corp......................................         47,500       1,831,719
  The Limited, Inc................................        215,300       5,490,150
  The TJX Companies, Inc..........................        449,600      15,455,000
  Toys 'R' Us, Inc. (b)...........................         88,700       2,788,506
                                                                   --------------
                                                                      200,048,584
                                                                   --------------
RUBBER -- 0.1%
  Goodyear Tire & Rubber Co.......................         39,800       2,532,275
                                                                   --------------
TELECOMMUNICATIONS -- 1.2%
  Alcatel Alsthom, ADR (France)...................        127,000       3,214,688
  Deutsche Telekom, ADR (Germany).................         45,800         853,025
  Nextel Communications, Inc. (Class "A" Stock)
    (b)...........................................        871,500      22,659,000
  Tellabs, Inc. (b)...............................        299,000      15,809,625
  WorldCom, Inc...................................        410,800      12,426,700
                                                                   --------------
                                                                       54,963,038
                                                                   --------------
TEXTILES -- 0.1%
  Fruit of the Loom, Inc. (Class "A" Stock) (b)...         73,800       1,891,125
  Pillowtex Corp..................................         18,830         656,696
  Tultex Corp. (b)................................         89,800         364,813
                                                                   --------------
                                                                        2,912,634
                                                                   --------------
TOBACCO -- 0.8%
  Bat Industries, PLC, ADR (United Kingdom).......        107,100       2,008,125
  Phillip Morris Co. Inc..........................        646,700      29,303,594
  RJR Nabisco Holdings Corp.......................        125,800       4,717,500
                                                                   --------------
                                                                       36,029,219
                                                                   --------------
TOYS -- 0.4%
  Mattel, Inc.....................................        475,751      17,721,725
                                                                   --------------
TRUCKING/SHIPPING -- 0.0%
  Yellow Corp. (b)................................         44,300       1,113,038
                                                                   --------------
WASTE MANAGEMENT -- 0.1%
  Waste Management, Inc...........................        208,000       5,720,000
                                                                   --------------
TOTAL COMMON STOCKS
  (cost $1,331,959,806)..........................................   1,543,620,897
                                                                   --------------
 
PREFERRED STOCKS -- 0.7%
FINANCIAL SERVICES -- 0.7%
  Central Hispano Capital Corp.,..................        225,900       6,254,606
  Central Hispano Corp.,..........................      1,000,000      26,000,000
                                                                   --------------
                                                                       32,254,606
                                                                   --------------
TOTAL PREFERRED STOCKS
  (cost $31,236,594).............................................      32,254,606
                                                                   --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $4,151,360,152)..........................................   4,354,901,998
                                                                   --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B12
<PAGE>
                  CONSERVATIVE BALANCED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
SHORT-TERM INVESTMENTS -- 7.2%                      (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
ASSET-BACKED SECURITIES -- 0.3%
  Centric Capital Corp.,
    5.92%, 02/23/98...............................       P1       $   1,000  $      991,449
  Corporate Asset Funding Co., Inc.,
    5.78%, 02/24/98...............................       P1           4,600       4,560,857
  Falcon Asset Securitization Corp.,
    5.90%, 01/21/98...............................       P1           1,000         996,886
  Restructured Asset Securities Enhanced Return,
    5.95875%, 08/28/98............................       P1           4,000       4,000,000
  Strategic Money Market Trust,
    5.91%, 12/16/98...............................       P1           2,000       2,000,000
  Variable Funding Capital Corp.,
    5.81%, 02/20/98...............................       P1           2,000       1,984,184
  Wood Street Funding Corp.,
    5.83%, 02/13/98...............................       P1           1,000         993,198
                                                                             --------------
                                                                                 15,526,574
                                                                             --------------
BANK NOTES -- 0.2%
  American Express Centurion Bank,
    5.929%, 09/22/98..............................       P1           5,000       5,000,000
  NBD Bank--Michigan,
    5.00%, 01/30/98...............................       P1           2,000       1,998,356
  US Bank, N.A.,
    5.83094%, 10/21/98............................       P1           1,000         999,358
                                                                             --------------
                                                                                  7,997,714
                                                                             --------------
CERTIFICATES OF DEPOSIT-EURO -- 0.2%
  Morgan Guaranty Trust Co.,
    5.79%, 03/16/98...............................       P1           4,000       4,000,209
  Westdeutsche Landesbank Girozentral, (Germany),
    5.83%, 08/03/98...............................       P1           6,000       5,997,462
                                                                             --------------
                                                                                  9,997,671
                                                                             --------------
CERTIFICATES OF DEPOSIT-YANKEE -- 1.1%
  Canadian Imperial Bank of Commerce, (Canada),
    5.95%, 06/29/98...............................       P1             900         899,706
  Corestates Bank, NA,
    5.7825%, 01/23/98.............................       P1           1,000       1,000,000
  Credit Agricole Indosuez,
    5.75%, 02/10/98...............................       P1           5,000       5,000,000
  Dresdner Bank, AG, (Germany),
    5.95%, 10/20/98...............................       P1           7,000       6,998,241
  Empresa Colombia de Petroleos, (Colombia),
    7.25%, 07/08/98...............................      BBB-          8,250       8,280,937
  Kansallis-Osake Pankki, N.Y., (Finland),
    6.125%, 05/15/98..............................       A3           6,160       6,160,000
    9.75%, 12/15/98...............................      Baa1         16,950      17,472,908
  Republic of Colombia, (Colombia),
    7.125%, 05/11/98..............................      Ba1           2,775       2,802,750
  Royal Bank of Canada, (Canada),
    5.91%, 06/17/98...............................       P1           3,000       2,999,217
  Swiss Bank Corp.,
    5.77%, 01/30/98...............................       P1           2,000       1,999,421
                                                                             --------------
                                                                                 53,613,180
                                                                             --------------
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
SHORT-TERM INVESTMENTS (CONT'D)                     (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
COMMERCIAL PAPER -- 3.4%
  Aon Corp.,
    5.79%, 03/12/98...............................       P2       $     880  $      870,234
  Barton Capital Corp.,
    5.95%, 02/09/98...............................       P1           1,000         993,719
  Bell Atlantic Financial Services, Inc.,
    6.08%, 01/09/98...............................       P1           6,000       5,992,907
  BP America,
    6.90%, 01/02/98...............................       P1           6,500       6,500,000
  Capital One Bank,
    6.66%, 08/17/98...............................      Baa3         10,050      10,088,291
  Coca-Cola Enterprises,
    5.65%, 03/12/98...............................       P2           3,000       2,967,512
  Comdisco, Inc., M.T.N.,
    5.54%, 01/26/98...............................      Baa1         12,500      12,498,000
    6.09%, 11/09/98...............................      Baa1         34,000      34,009,860
    6.29%, 10/22/98...............................      Baa1          5,000       5,009,900
    6.689%, 05/22/98..............................      Baa1          9,000       9,024,300
  Duke Capital Corp.,
    5.90%, 01/23/98...............................       P2           1,000         996,558
  Enterprise Rent-A-Car USA Finance Co., M.T.N.,
    7.875%, 03/15/98 (b)..........................      Baa2          9,925       9,961,921
  Federal Express Corp., M.T.N.,
    10.00%, 06/01/98..............................      Baa3          3,000       3,045,750
  Finova Capital Corp.,
    5.75%, 02/04/98...............................       P2           3,400       3,382,079
  First USA Bank,
    8.20%, 02/15/98...............................      Baa3         11,500      11,521,275
  General Electric Capital Services, Inc.,
    5.70%, 01/12/98...............................       P1           5,000       4,992,083
  Honeywell Inc.,
    6.75%, 01/02/98...............................       P1           4,250       4,250,000
  ING America Insurance Holdings, Inc.,
    5.74%, 04/03/98...............................       P1           2,000       1,970,981
    5.74%, 04/28/98...............................       P1           1,600       1,570,407
  Mont Blanc Capital Corp.,
    5.82%, 02/13/98...............................       P1           2,000       1,986,420
  Newell Co.,
    6.80%, 01/02/98...............................       P1           6,500       6,500,000
  Old Line Funding Corp.,
    5.90%, 01/21/98...............................      A1+           1,000         996,886
  PHH Corp.,
    6.75%, 01/02/98...............................       P1           6,500       6,500,000
  Safeco Corp.,
    5.76%, 03/17/98...............................       P2           2,000       1,976,320
  Special Purpose Account Receivables Cooperative
    Corp.,
    5.80%, 03/26/98...............................       P1           1,000         986,628
  Textron Financial Corp.,
    6.125%, 02/23/98..............................       A3           1,000       1,000,220
  Xerox Capital (Europe) PLC
    5.75%, 02/05/98...............................       P1           3,000       2,983,708
    5.79%, 02/12/98...............................       P1             875         869,230
    6.85%, 01/02/98...............................       P1           2,610       2,610,000
                                                                             --------------
                                                                                156,055,189
                                                                             --------------
MEDIUM TERM NOTES -- 0.2%
  Ford Motor Credit Corp.,
    9.00%, 03/25/98...............................       P1           1,200       1,208,318
  General Motors Acceptance Corp.,
    5.76825%, 09/21/98............................       P1           3,000       2,997,564
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B13
<PAGE>
                  CONSERVATIVE BALANCED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
SHORT-TERM INVESTMENTS (CONT'D)                     (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  IBM Credit Corp.,
    5.65%, 02/27/98...............................       P1       $   4,000  $    3,998,626
  Morgan Stanley Group, Inc.,
    6.34%, 03/09/98...............................       P1           1,000       1,000,606
  Suntrust Banks, Inc.,
    8.875%, 02/01/98..............................       P1             805         806,820
                                                                             --------------
                                                                                 10,011,934
                                                                             --------------
OTHER CORPORATE OBLIGATIONS -- 0.1%
  Association Corp. of America,
    6.125%, 02/01/98..............................       P1           2,040       2,039,976
  Beneficial Corp.,
    9.125%, 02/15/98..............................       P1           2,700       2,709,664
                                                                             --------------
                                                                                  4,749,640
                                                                             --------------
U. S. GOVERNMENT & AGENCY OBLIGATIONS -- 0.0%
  United States Treasury Bills,
    5.045%, 03/19/98 (a)..........................                      700         692,545
    5.165%, 01/22/98 (a)..........................                      300         299,139
    5.29%, 03/19/98 (a)...........................                      400         395,533
                                                                             --------------
                                                                                  1,387,217
                                                                             --------------
REPURCHASE AGREEMENT -- 1.7%
  Joint Repurchase Agreement Account,
    6.53%, 01/02/98 (Note 5)......................                   81,783      81,783,000
                                                                             --------------
TOTAL SHORT-TERM INVESTMENTS
  (cost $340,697,062)......................................................     341,122,119
                                                                             --------------
TOTAL INVESTMENTS -- 99.0%
  (cost $4,491,825,742; Note 6)............................................   4,696,024,117
                                                                             --------------
VARIATION MARGIN ON OPEN FUTURES CONTRACTS (C) -- (0.0%)...................
                                                                                   (653,438)
OTHER ASSETS IN EXCESS OF LIABILITIES -- 1.0%..............................
                                                                                 48,861,360
                                                                             --------------
TOTAL NET ASSETS -- 100.0%.................................................  $4,744,232,039
                                                                             --------------
                                                                             --------------
</TABLE>
 
    The following abbreviations are used in portfolio descriptions:
    ADR     American Depository Receipt
        AG  Aktiengesellschaft (German Stock Company)
    M.T.N.  Medium Term Note
    PLC     Public Limited Company (British Corporation)
        SA  Sociedad Anonima (Spanish Corporation) or Societe Anonyme (French
            Corporation)
 
(a)  Security segregated as collateral for futures contracts.
 
(b)  Non-income producing security.
 
(c)  Open futures contracts as of December 31, 1997 are as follows:
 
<TABLE>
<CAPTION>
                                                       VALUE AT
NUMBER OF                   EXPIRATION  VALUE AT     DECEMBER 31,    APPRECIATION/
CONTRACTS       TYPE          DATE     TRADE DATE        1997        DEPRECIATION
<C>        <S>              <C>        <C>         <C>               <C>
Long Position:
    61     S&P 500 Index     Mar 98    15,095,625     14,931,275      (164,350)
           U.S. Treasury 5
   318     Yr.               Mar 98    34,423,500     34,542,750       119,250
           U.S. Treasury 5
   166     Yr.               Mar 98    19,931,438     19,997,813       66,375
Short Position:
           U.S. Treasury 5
   637     Yr.               Mar 98    75,803,000     76,738,594      (935,594)
           U.S. Treasury 5
   365     Yr.               Mar 98    39,488,438     39,648,125      (159,687)
           U.S. Treasury
  1181     10 Yr.            Mar 98    131,755,312   132,456,531      (701,219)
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B14
<PAGE>
                           FLEXIBLE MANAGED PORTFOLIO
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
LONG-TERM INVESTMENTS -- 93.8%
                                                                       VALUE
COMMON STOCKS -- 57.6%                                 SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
AEROSPACE -- 1.3%
  AlliedSignal, Inc...............................        289,300  $   11,264,619
  GenCorp, Inc....................................        428,200      10,705,000
  Litton Industries, Inc. (a).....................        324,400      18,653,000
  Lockheed Martin Corp............................        272,900      26,880,650
  Raytheon Co. (Class "A" Stock)..................         30,252       1,491,826
                                                                   --------------
                                                                       68,995,095
                                                                   --------------
AIRLINES -- 1.4%
  AMR Corp. (a)...................................        346,000      44,461,000
  USAir Group, Inc. (a)...........................        491,700      30,731,250
                                                                   --------------
                                                                       75,192,250
                                                                   --------------
AUTOS - CARS & TRUCKS -- 1.5%
  Chrysler Corp...................................        632,700      22,263,131
  Ford Motor Co...................................        301,300      14,669,544
  General Motors Corp.............................        474,400      28,760,500
  Mascotech, Inc..................................        411,300       7,557,637
  Titan International, Inc........................        440,700       8,841,544
                                                                   --------------
                                                                       82,092,356
                                                                   --------------
BANKS AND SAVINGS & LOANS -- 1.8%
  BankAmerica Corp................................        243,900      17,804,700
  Barnett Banks, Inc..............................        254,200      18,270,625
  Chase Manhattan Corp............................        302,100      33,079,950
  Citicorp........................................         80,500      10,178,219
  Fleet Financial Group, Inc......................        235,100      17,617,806
                                                                   --------------
                                                                       96,951,300
                                                                   --------------
CHEMICALS -- 0.7%
  Ferro Corp......................................        586,950      14,270,222
  Millennium Chemicals, Inc.......................        637,700      15,025,806
  OM Group, Inc...................................        275,900      10,104,837
                                                                   --------------
                                                                       39,400,865
                                                                   --------------
COMMERCIAL SERVICES -- 0.3%
  Cendant Corp. (a)...............................        529,500      18,201,562
                                                                   --------------
COMPUTERS -- 2.2%
  3Com Corp. (a)..................................        737,000      25,748,937
  Compaq Computer Corp............................        346,700      19,566,881
  Digital Equipment Corp. (a).....................        424,700      15,713,900
  International Business Machines Corp............        254,400      26,600,700
  Sun Microsystems, Inc. (a)......................        781,100      31,146,362
                                                                   --------------
                                                                      118,776,780
                                                                   --------------
COMPUTER SERVICES -- 2.4%
  Autodesk, Inc...................................        951,300      35,198,100
  BMC Software, Inc. (a)..........................        419,800      27,549,375
  Cadence Design Systems, Inc. (a)................        979,500      23,997,750
  Cisco Systems, Inc. (a).........................        617,100      34,403,325
  Microsoft Corp..................................         95,800      12,382,150
                                                                   --------------
                                                                      133,530,700
                                                                   --------------
CONSTRUCTION -- 0.8%
  Oakwood Homes Corp..............................        606,400      20,124,900
  Standard Pacific Corp...........................        670,400      10,558,800
  Webb Corp.......................................        611,100      15,888,600
                                                                   --------------
                                                                       46,572,300
                                                                   --------------
CONTAINERS -- 0.2%
  Owens-Illinois, Inc. (a)........................        250,000       9,484,375
                                                                   --------------
COSMETICS & SOAPS -- 0.7%
  Avon Products, Inc..............................        595,600      36,554,950
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
DIVERSIFIED OPERATIONS -- 1.7%
  Cognizant Corp..................................        410,000  $   18,270,625
  General Electric Co.............................        577,200      42,352,050
  Loews Corp......................................        175,000      18,571,875
  Whitman Corp....................................        578,000      15,064,125
                                                                   --------------
                                                                       94,258,675
                                                                   --------------
DRUGS AND MEDICAL SUPPLIES -- 4.6%
  American Home Products Corp.....................        446,600      34,164,900
  Biogen, Inc. (a)................................        752,300      27,364,912
  Bristol-Myers Squibb Co.........................        453,400      42,902,975
  Cardinal Health, Inc............................        425,100      31,935,637
  Guidant Corp....................................        284,900      17,735,025
  Medtronic, Inc..................................        564,000      29,504,250
  Novartis Corp., AG, ADR (Switzerland)...........        114,200       9,278,750
  Pfizer, Inc.....................................        359,600      26,812,675
  Warner-Lambert Co...............................        269,000      33,356,000
                                                                   --------------
                                                                      253,055,124
                                                                   --------------
ELECTRICAL EQUIPMENT -- 0.2%
  Baldor Electric Co..............................              1              29
  Belden, Inc.....................................        292,200      10,300,050
                                                                   --------------
                                                                       10,300,079
                                                                   --------------
ELECTRONICS -- 0.6%
  Intel Corp......................................        112,500       7,903,125
  National Semiconductor Corp. (a)................      1,029,600      26,705,250
                                                                   --------------
                                                                       34,608,375
                                                                   --------------
ENERGY -- 0.2%
  Energy Group, PLC, ADR (United Kingdom).........        218,900       9,768,413
                                                                   --------------
ENGINEERING & CONSTRUCTION -- 0.1%
  Giant Cement Holdings, Inc. (a).................        259,600       6,003,250
                                                                   --------------
ENVIRONMENTAL SERVICES -- 1.1%
  U.S.A. Waste Services, Inc. (a).................        920,200      36,117,850
  Waste Management, Inc...........................        872,300      23,988,250
                                                                   --------------
                                                                       60,106,100
                                                                   --------------
FINANCIAL SERVICES -- 3.3%
  Federal National Mortgage Association...........         35,100       2,002,894
  Lehman Brothers Holdings, Inc...................      1,087,300      55,452,300
  Merrill Lynch & Co., Inc........................        253,100      18,460,481
  Morgan Stanley, Dean Witter, Discover & Co......        632,195      37,378,529
  Schwab (Charles) Corp...........................        589,900      24,738,931
  Travelers Group, Inc............................        763,266      41,120,956
                                                                   --------------
                                                                      179,154,091
                                                                   --------------
FOOD & BEVERAGES -- 2.0%
  PepsiCo, Inc....................................      1,047,900      38,182,856
  Quaker Oats Co..................................        448,500      23,658,375
  Ralston-Ralston Purina Group....................        291,000      27,044,812
  RJR Nabisco Holdings Corp.......................        538,700      20,201,250
                                                                   --------------
                                                                      109,087,293
                                                                   --------------
FOREST PRODUCTS -- 1.3%
  Boise Cascade Corp..............................        700,000      21,175,000
  Champion International Corp.....................        412,200      18,677,812
  Louisiana-Pacific Corp..........................        412,200       7,831,800
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B15
<PAGE>
                     FLEXIBLE MANAGED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Mead Corp.......................................        413,200  $   11,569,600
  Willamette Industries, Inc......................        301,600       9,707,750
                                                                   --------------
                                                                       68,961,962
                                                                   --------------
HOSPITALS/ HOSPITAL MANAGEMENT -- 1.0%
  Columbia/HCA Healthcare Corp....................        855,000      25,329,375
  Healthsouth Corp. (a)...........................      1,101,400      30,563,850
                                                                   --------------
                                                                       55,893,225
                                                                   --------------
HOUSEHOLD PRODUCTS -- 0.5%
  Leggett & Platt, Inc............................        249,500      10,447,812
  Sunbeam Corp....................................        415,000      17,481,875
                                                                   --------------
                                                                       27,929,687
                                                                   --------------
HOUSING RELATED -- 0.7%
  Hanson, PLC, ADR (United Kingdom)...............      1,046,700      24,139,519
  Owens Corning...................................        429,000      14,639,625
                                                                   --------------
                                                                       38,779,144
                                                                   --------------
INSTRUMENTS-CONTROLS -- 0.2%
  Parker-Hannifin Corp............................        187,500       8,601,563
                                                                   --------------
INSURANCE -- 2.6%
  Allstate Corp...................................        212,000      19,265,500
  Berkley (WR) Corp...............................        186,450       8,180,494
  Financial Security Assurance Holdings Ltd.......        148,500       7,165,125
  PennCorp Financial Group, Inc...................        349,600      12,476,350
  Provident Companies, Inc........................        232,600       8,984,175
  Reinsurance Group of America, Inc...............        503,100      21,413,194
  TIG Holdings, Inc...............................        372,300      12,355,706
  Trenwick Group, Inc.............................        289,700      10,899,962
  United Healthcare Corp..........................        532,700      26,468,531
  Western National Corp...........................        575,900      17,061,037
                                                                   --------------
                                                                      144,270,074
                                                                   --------------
LEISURE -- 0.5%
  Carnival Corp. (Class "A" Stock)................        563,300      31,192,737
                                                                   --------------
MACHINERY -- 0.9%
  Case Corp.......................................        378,500      22,875,594
  DT Industries, Inc..............................        155,600       5,290,400
  Global Industrial Technologies, Inc. (a)........        273,600       4,634,100
  Paxar Corp. (a).................................      1,011,875      14,988,398
                                                                   --------------
                                                                       47,788,492
                                                                   --------------
MANUFACTURING -- 1.6%
  A.O. Smith Corp.................................        306,300      12,941,175
  Flowserve Corp..................................        171,691       4,796,617
  Illinois Tool Works, Inc........................        256,100      15,398,012
  Tyco International, Ltd.........................      1,134,202      51,109,978
                                                                   --------------
                                                                       84,245,782
                                                                   --------------
MEDIA -- 0.8%
  Central Newspapers, Inc. (Class "A" Stock)......        217,600      16,088,800
  Houghton Mifflin Co.............................        255,200       9,793,300
  Knight-Ridder, Inc..............................        253,000      13,156,000
  Lee Enterprises, Inc............................        221,400       6,545,137
                                                                   --------------
                                                                       45,583,237
                                                                   --------------
MEDICAL INSTRUMENTS -- 0.3%
  Arterial Vascular Engineering, Inc. (a).........        280,000      18,200,000
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
METALS-FERROUS -- 0.6%
  Bethlehem Steel Corp. (a).......................        958,000  $    8,262,750
  LTV Corp........................................        892,000       8,697,000
  Material Sciences Corp. (a).....................        421,800       5,140,687
  National Steel Corp. (Class "B" Stock) (a)......        183,200       2,118,250
  USX-U.S. Steel Group............................        265,100       8,284,375
                                                                   --------------
                                                                       32,503,062
                                                                   --------------
METALS-NON FERROUS -- 0.8%
  Aluminum Company of America.....................        632,400      44,505,150
                                                                   --------------
MISCELLANEOUS - BASIC INDUSTRY -- 0.9%
  Coltec Industries, Inc. (a).....................        190,000       4,405,625
  Donaldson, Co...................................        237,800      10,715,862
  IDEX Corp.......................................        261,500       9,119,813
  Mark IV Industries, Inc.........................        376,900       8,244,688
  Trinity Industries, Inc.........................        227,000      10,129,875
  Wolverine Tube, Inc. (a)........................        164,600       5,102,600
  York International Corp.........................        117,200       4,636,725
                                                                   --------------
                                                                       52,355,188
                                                                   --------------
MISCELLANEOUS - CONSUMER GROWTH/STABLE -- 0.5%
  Eastman Kodak Co................................        120,000       7,297,500
  Unilever N.V., ADR (United Kingdom).............        334,000      20,854,125
                                                                   --------------
                                                                       28,151,625
                                                                   --------------
MISCELLANEOUS - INDUSTRIAL -- 0.5%
  CBS Corp........................................        892,600      26,275,913
                                                                   --------------
OIL & GAS -- 3.0%
  Basin Exploration, Inc. (a).....................         75,700       1,343,675
  Cabot Oil & Gas Corp. (Class "A" Stock).........        385,700       7,497,044
  Cross Timbers Oil Co............................        417,400      10,408,913
  Elf Aquitaine SA, ADR (France)..................        544,200      31,903,725
  Enron Oil & Gas Co..............................        210,600       4,462,088
  Murphy Oil Corp.................................        120,900       6,551,269
  Noble Affiliates, Inc...........................        426,300      15,027,075
  Pioneer Natural Resources Co....................      1,426,731      41,286,028
  Seagull Energy Corp. (a)........................        260,200       5,366,625
  Total SA (Class "B" Stock) (France).............        179,200       9,945,600
  Unocal Corp.....................................        550,500      21,366,281
  Western Gas Resources, Inc......................        448,500       9,923,063
                                                                   --------------
                                                                      165,081,386
                                                                   --------------
OIL & GAS SERVICES -- 3.0%
  Apache Corp.....................................        704,200      24,691,013
  Halliburton Co..................................        844,100      43,840,444
  J. Ray McDermott, SA (a)........................        713,300      30,671,900
  McDermott International, Inc....................      1,345,700      49,286,263
  Oryx Energy Co. (a).............................        537,500      13,706,250
                                                                   --------------
                                                                      162,195,870
                                                                   --------------
PRECIOUS METALS -- 0.1%
  Apex Silver Mines Ltd. (a)......................        360,900       4,601,475
                                                                   --------------
REAL ESTATE DEVELOPMENT -- 0.7%
  Crescent Operating, Inc. (a)....................         71,240       1,745,380
  Crescent Real Estate Equities, Inc..............        712,400      28,050,750
  Equity Residential Properties Trust.............        160,000       8,090,000
                                                                   --------------
                                                                       37,886,130
                                                                   --------------
RETAIL -- 6.4%
  Bombay Company, Inc. (a)........................        605,900       2,802,288
  Borders Group, Inc. (a).........................        927,500      29,042,344
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B16
<PAGE>
                     FLEXIBLE MANAGED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Charming Shoppes, Inc. (a)......................      3,532,600  $   16,559,063
  Consolidated Stores Corp. (a)...................        661,800      29,077,838
  Costco Companies, Inc. (a)......................        526,000      23,472,750
  CVS Corp........................................        223,000      14,285,938
  Designs, Inc. (a)...............................        216,200         648,600
  Dillards, Inc. (Class "A" Stock)................        138,100       4,868,025
  Federated Department Stores, Inc. (a)...........        342,800      14,761,825
  Home Depot, Inc.................................        390,000      22,961,250
  Jan Bell Marketing, Inc. (a)....................        658,700       1,646,750
  K mart Corp. (a)................................      2,646,900      30,604,781
  Kroger Co. (a)..................................        575,200      21,246,450
  Liz Claiborne, Inc..............................        391,300      16,361,231
  Phillips-Van Heusen Corp........................        412,600       5,879,550
  Rite Aid Corp...................................        341,400      20,035,913
  Safeway, Inc. (a)...............................        576,300      36,450,975
  Tandy Corp......................................        203,800       7,859,038
  The Limited, Inc................................        837,400      21,353,700
  The TJX Companies, Inc..........................        637,200      21,903,750
  Toys 'R' Us, Inc. (a)...........................        379,600      11,933,675
                                                                   --------------
                                                                      353,755,734
                                                                   --------------
RUBBER -- 0.2%
  Goodyear Tire & Rubber Co.......................        170,800      10,867,150
                                                                   --------------
TELECOMMUNICATIONS -- 1.6%
  Alcatel Alsthom, ADR (France)...................        543,800      13,764,938
  Deutsche Telekom, ADR (Germany).................        196,100       3,652,363
  Nextel Communications, Inc. (Class "A"
    Stock) (a)....................................      1,242,000      32,292,000
  Tellabs, Inc. (a)...............................        422,500      22,339,688
  WorldCom, Inc...................................        579,500      17,529,875
                                                                   --------------
                                                                       89,578,864
                                                                   --------------
TEXTILES -- 0.2%
  Fruit of the Loom, Inc. (Class "A" Stock) (a)...        316,400       8,107,750
  Pillowtex Corp..................................         78,333       2,731,856
  Tultex Corp. (a)................................        384,400       1,561,625
                                                                   --------------
                                                                       12,401,231
                                                                   --------------
TOBACCO -- 1.0%
  Bat Industries, PLC, ADR (United Kingdom).......        458,600       8,598,750
  Phillip Morris Co. Inc..........................      1,034,900      46,893,906
                                                                   --------------
                                                                       55,492,656
                                                                   --------------
TOYS -- 0.5%
  Mattel, Inc.....................................        672,700      25,058,075
                                                                   --------------
TRUCKING/SHIPPING -- 0.1%
  Yellow Corp. (a)................................        189,400       4,758,675
                                                                   --------------
TOTAL COMMON STOCKS
  (cost $2,741,915,742)..........................................   3,159,008,020
                                                                   --------------
 
PREFERRED STOCKS -- 0.5%
FINANCIAL SERVICES -- 0.5%
  Central Hispano Corp............................      1,000,000      26,000,000
                                                                   --------------
    (cost $25,440,000)
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS -- 35.8%                            (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
AGRICULTURAL PRODUCTS & SERVICES -- 0.1%
  Agco Corp.,
    8.50%, 03/15/06...............................      Ba1       $   2,875  $    3,054,687
                                                                             --------------
AIRLINES -- 2.3%
  Delta Airlines, Inc.,
    10.125%, 05/15/10.............................      Baa3         19,335      24,379,695
    10.375%, 02/01/11 (c).........................      Ba1          25,750      33,388,737
  United Airlines, Inc.,
    6.126%, 03/02/04..............................      Aa2           8,000       7,988,000
    9.75%, 08/15/21...............................      Baa3         10,125      12,956,659
    10.67%, 05/01/04..............................      Baa3         19,500      23,372,310
    11.21%, 05/01/14..............................      Baa3         17,500      24,540,425
                                                                             --------------
                                                                                126,625,826
                                                                             --------------
APPAREL MANUFACTURING -- 0.4%
  Nine West Group, Inc.,
    8.375%, 08/15/05..............................      Ba2          25,000      23,937,500
                                                                             --------------
ASSET-BACKED SECURITIES -- 0.4%
  California Infrastructure,
    6.17%, 03/25/03...............................      Aaa           4,000       4,012,400
  MBNA Master Credit Card Trust,
    5.976%, 11/15/02..............................      Aaa           1,000       1,000,312
  Standard Credit Card Master Trust,
    5.95%, 10/07/04 (b)...........................      Aaa           4,500       4,453,560
                                                                             --------------
                                                                                  9,466,272
                                                                             --------------
BANKS AND SAVINGS & LOANS -- 5.5%
  Abbey National Treasury, (United Kingdom),
    5.875%, 03/08/99..............................      Aa2           5,500       5,492,850
  Banc One Corp.,
    5.876%, 09/30/99..............................      Aa3           5,000       5,010,400
  Banco Ganadero, SA, (Colombia),
    9.75%, 08/26/99...............................      Baa3          7,300       7,500,750
  Bangkok Bank, (Thailand),
    7.25%, 09/15/05 (b)...........................      Ba1          10,000       7,452,800
    8.25%, 03/15/16...............................      Ba1           7,500       5,250,000
    8.375%, 01/15/27 (b)..........................      Ba1          43,000      25,198,430
  Bank of Nova Scotia,
    6.50%, 07/15/07...............................       A1           5,400       5,413,500
  Bank of Boston N.A.,
    5.973%, 01/25/99..............................       A2           2,500       2,507,600
  Bankers Trust New York Corp.,
    5.813%, 08/06/00..............................       A2           2,500       2,495,000
  BT Securities Corp.,
    6.125%, 02/24/00..............................       A3           5,000       4,955,000
  Capital One Bank,
    6.844%, 06/13/00..............................      Baa3         23,900      24,225,757
  Central Hispano Financial Services, (Portugal),
    6.25%, 04/28/05...............................       A3           5,000       5,000,000
  Chemical Banking,
    6.075%, 02/28/00..............................      Aa3           6,000       6,009,240
  Citicorp, M.T.N.,
    6.045%, 05/15/00..............................      Aa3          10,000      10,031,800
  First Chicago NBD Corp.,
    5.986%, 06/10/02..............................       A1          10,000       9,989,600
  Great Western Financial,
    8.206%, 02/01/27..............................      Baa2         14,200      15,060,804
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B17
<PAGE>
                     FLEXIBLE MANAGED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  Kansallis-Osake Pankki, (Finland),
    8.65%, 12/01/49 (b)...........................       A3       $   9,000  $    9,180,000
  Key Bank N.A.
    5.875%, 08/29/00..............................      Aa3           7,000       6,950,020
  MBNA America Bank N.A.,
    5.973%, 07/18/01..............................      Baa1          5,000       4,965,500
  MBNA Corp.,
    6.288%, 09/08/00..............................      Baa2          3,000       2,991,000
  Merita Bank, Ltd.,
    7.50%, 12/29/49 (b)...........................       NR          12,000      12,312,000
  National Australia Bank, (Australia),
    6.40%, 12/10/07...............................       A1           8,700       8,700,000
    6.60%, 12/10/07...............................       A1           5,000       5,000,000
  Nationsbank Corp.,
    6.076%, 06/19/02..............................       A1           5,000       5,005,850
  North Fork Bancorporation, Inc.,
    8.00%, 12/15/27...............................      Baa3          4,000       4,068,800
  Norwest Corp.,
    5.863%, 11/13/01..............................      Aa3           6,450       6,446,130
  Okobank, (Finland),
    7.20%, 10/29/49 (c)...........................       A3          12,500      12,640,625
    7.312%, 09/27/49 (b)..........................       A3          18,750      19,031,250
  Royal Bank of Canada, (Canada),
    6.75%, 10/24/11 (b)...........................      Aa3           5,000       5,032,600
  Siam Commercila, (Thailand),
    7.50%, 03/15/06 (b)...........................      Ba1          14,500       9,425,000
  Suntrust Bank, Inc.,
    5.889%, 04/22/02..............................       A1          10,000       9,979,000
  Svenska Handelsbank, (Sweden),
    7.125%, 03/29/49 (b)..........................       A1           5,000       5,037,500
  Thai Farmers Bank, (Thailand),
    8.25%, 08/21/16 (b)...........................      Ba1          20,000      12,000,000
  Union Planters Corp.,
    8.20%, 12/15/26...............................      Baa1         20,750      21,793,932
                                                                             --------------
                                                                                302,152,738
                                                                             --------------
CABLE & PAY TELEVISION SYSTEMS -- 1.6%
  Roger Cablesystems, Inc., (Canada)
    10.00%, 03/15/05..............................      Ba3           2,000       2,200,000
  Tele-Communications, Inc.,
    6.656%, 12/20/00..............................      Ba1           5,000       5,012,500
    7.375%, 02/15/00..............................      Ba1           6,000       6,115,800
    7.875%, 08/01/13..............................      Ba1          43,750      47,056,187
    8.25%, 01/15/03...............................      Ba1           8,000       8,543,120
    9.875%, 06/15/22..............................      Ba1          12,878      16,782,996
                                                                             --------------
                                                                                 85,710,603
                                                                             --------------
CHEMICALS -- 0.2%
  Reliance Industries Ltd., (India),
    9.375%, 06/24/26..............................      Baa3         12,000      12,045,000
                                                                             --------------
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
CONSULTING -- 0.3%
  Comdisco, Inc., M.T.N.,
    6.11%, 08/04/99...............................      Baa1      $  12,500  $   12,513,250
    6.375%, 11/30/01..............................      Baa1          2,700       2,700,000
                                                                             --------------
                                                                                 15,213,250
                                                                             --------------
CONSUMER SERVICES
  Service Corp. International,
    7.00%, 06/01/15...............................      Baa1          2,500       2,557,875
                                                                             --------------
ENERGY -- 0.1%
  Baltimore Gas & Electric,
    5.886%, 03/15/99..............................       A2           4,000       4,004,080
                                                                             --------------
FINANCIAL SERVICES -- 5.3%
  Advanta Corp.,
    6.99%, 10/18/99...............................      Ba3          10,000       9,600,000
  American General Finance, Inc.,
    7.57%, 12/01/45...............................       A2           5,000       5,178,500
  Avco Financial Services,
    5.915%, 11/17/99..............................       NR           3,500       3,498,950
  Caterpillar Financial Services,
    5.829%, 04/10/00..............................       A2           5,000       5,011,850
  Conseco, Inc.,
    8.70%, 11/15/26 (c)...........................      Baa3         32,538      36,378,552
    8.796%, 04/01/27..............................      Ba2          29,000      32,368,930
  Enterprise Rent-A-Car USA Finance Co., M.T.N.,
    6.35%, 01/15/01...............................      Baa3         20,700      20,797,290
    6.95%, 03/01/04...............................      Baa2          7,500       7,650,000
    7.00%, 06/15/00...............................      Baa3         13,500      13,769,460
  Ford Credit Europe PLC,
    6.086%, 12/20/99..............................       A1          10,000      10,010,000
  General Motors Acceptance Corp., M.T.N.,
    5.813%, 10/30/00..............................       A3          10,000       9,941,250
  Lehman Brothers Holdings, Inc.,
    6.206%, 09/03/02..............................      Baa1         10,000       9,937,500
    6.40%, 08/30/00 (c)...........................      Baa1         93,250      93,133,437
  Lumbermens Mutual Casualty Co.,
    8.30%, 12/01/37...............................      Baa1         23,100      24,486,000
    9.15%, 07/01/26...............................      Baa1          7,500       8,728,125
                                                                             --------------
                                                                                290,489,844
                                                                             --------------
FOOD & BEVERAGE -- 0.5%
  Archer Daniels,
    6.95%, 12/15/2097.............................      Aa3          19,700      19,956,888
  Archer-Daniels-Midland Co.,
    6.75%, 12/15/27...............................      Aa3           5,000       5,008,650
                                                                             --------------
                                                                                 24,965,538
                                                                             --------------
FOREST PRODUCTS -- 0.4%
  UPM-Kymmene Corp.,
    7.45%, 11/26/27...............................      Baa1         23,400      24,014,250
                                                                             --------------
INVESTMENT BANKING -- 1.9%
  Merrill Lynch Pierce, Fenner & Smith, Inc.,
    5.935%, 11/14/00..............................       A3          10,000       9,966,250
  Morgan Stanley Group, Inc.,
    5.869%, 12/19/01..............................       A1           5,000       4,987,500
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B18
<PAGE>
                     FLEXIBLE MANAGED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  PaineWebber Group, Inc.,
    6.206%, 06/03/99..............................      Baa1      $   5,000  $    5,004,000
  Salomon, Inc.,
    6.25%, 10/01/99...............................      Baa1         26,400      26,430,624
    6.50%, 03/01/00...............................       A2          19,000      19,099,560
    6.59%, 02/21/01...............................       A2          23,250      23,443,440
    6.75%, 08/15/03...............................      Baa1          5,000       5,059,400
    7.25%, 05/01/01...............................       A2           8,625       8,852,010
                                                                             --------------
                                                                                102,842,784
                                                                             --------------
LEISURE & TOURISM -- 0.1%
  Royal Carribean Cruises Ltd.,
    7.50%, 10/15/27...............................      Baa3          5,815       5,921,647
                                                                             --------------
MEDIA -- 3.4%
  Paramount Communications, Inc.,
    7.50%, 01/15/02...............................      Ba2           9,100       9,323,132
  Time Warner, Inc.,
    8.11%, 08/15/06...............................      Ba1           9,250      10,014,050
    8.18%, 08/15/07...............................      Ba1           8,000       8,707,680
    9.125%, 01/15/13..............................      Ba1          39,690      47,261,661
  Turner Broadcasting Co.,
    8.375%, 07/01/13..............................      Ba1          18,275      20,504,916
  Viacom, Inc.,
    6.75%, 01/15/03...............................      Ba2          23,350      22,943,243
    7.75%, 06/01/05...............................      Ba2          68,800      69,975,792
                                                                             --------------
                                                                                188,730,474
                                                                             --------------
METALS & MINING -- 0.1%
  PT Alatief Freeport Financial Co.,
    (Netherlands),
    9.75%, 04/15/01...............................      Ba1           7,600       7,676,000
                                                                             --------------
OIL & GAS -- 1.2%
  Apache Corp.,
    7.95%, 04/15/26...............................      Baa1          3,000       3,362,100
  B.J. Services Co.,
    7.00%, 02/01/06...............................      Ba1           4,000       4,095,000
  Gulf Canada Resources, Ltd., (Canada),
    8.25%, 03/15/17...............................      Ba1          20,990      23,351,585
  Parker & Parsley Petroleum Co.,
    8.25%, 08/15/07...............................      Baa3          3,000       3,304,320
  Talisman Energy Inc.,
    7.25%, 10/15/27...............................      Baa1         33,250      34,169,695
                                                                             --------------
                                                                                 68,282,700
                                                                             --------------
REAL ESTATE INVESTMENT TRUST -- 0.5%
  Felcor Suites, L.P.,
    7.375%, 10/01/04..............................      Ba1          25,000      24,937,500
                                                                             --------------
RETAIL -- 1.3%
  Federated Department Stores, Inc.,
    8.125%, 10/15/02..............................      Ba1           3,600       3,848,400
    8.50%, 06/15/03 (b)...........................      Baa2         54,890      59,879,501
    10.00%, 02/15/01..............................      Ba1           8,000       8,811,200
                                                                             --------------
                                                                                 72,539,101
                                                                             --------------
SHIPPING -- 0.1%
  Compania Sud Americana de Vapores, SA (Chile),
    7.375%, 12/08/03..............................      Baa1          5,650       5,579,375
                                                                             --------------
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
TELECOMMUNICATIONS -- 1.9%
  Total Access Communications Public Company Ltd.,
    (Thailand),
    8.375%, 11/04/06..............................      Ba2       $   4,000  $    1,920,000
  WorldCom, Inc.,
    7.55%, 04/01/04...............................      Ba1          57,000      59,689,830
    7.75%, 04/01/07...............................      Ba1          20,000      21,477,800
    7.75%, 04/01/27...............................      Ba1           6,000       6,592,560
    8.875%, 01/15/06..............................      Ba1          16,000      17,214,720
                                                                             --------------
                                                                                106,894,910
                                                                             --------------
TOBACCO -- 2.4%
  Philip Morris Co. Inc.,
    7.20%, 02/01/07...............................       A2          10,000      10,318,900
    7.50%, 04/01/04...............................       A2          50,000      52,363,500
  RJR Nabisco, Inc.,
    8.50%, 07/01/07...............................      Baa3         12,750      13,592,138
    8.75%, 04/15/04...............................      Baa3          5,000       5,352,750
    8.75%, 08/15/05...............................      Baa3         12,500      13,486,625
    8.75%, 07/15/07...............................      Baa3         25,000      27,110,750
    9.25%, 08/15/13...............................      Baa3          7,000       7,854,350
                                                                             --------------
                                                                                130,079,013
                                                                             --------------
UTILITIES -- 1.4%
  Cleveland Electric Illumination,
    7.88%, 11/01/17...............................      Ba1          27,000      28,503,900
  Consolidated Edison,
    5.998%, 06/15/02..............................       A1           7,000       7,014,420
  Hyder PLC, (United Kingdom),
    6.75%, 12/15/17...............................      Baa1          5,000       5,018,750
    6.875%, 12/15/07..............................      Baa1         25,000      25,438,750
  Hydro-Quebec, (Canada),
    5.938%, 09/29/49..............................       A+           6,250       5,519,531
  Southern California Edison Co.,
    6.38%, 09/25/08...............................      Aaa           7,000       7,057,400
                                                                             --------------
                                                                                 78,552,751
                                                                             --------------
U.S. GOVERNMENT & AGENCY OBLIGATIONS -- 1.2%
  Federal National Mortgage Association,
    Zero Coupon, 10/09/19 (b).....................                   11,800       3,071,658
  United States Treasury Bonds,
    6.125%, 08/15/07..............................                   10,450      10,739,047
  United States Treasury Notes,
    5.875%, 09/30/02 (c)..........................                    7,650       7,691,846
    6.00%, 08/15/00...............................                    2,750       2,769,773
    6.375%, 08/15/27..............................                   37,910      39,983,298
                                                                             --------------
                                                                                 64,255,622
                                                                             --------------
FOREIGN GOVERNMENT BONDS -- 3.4%
  Banco de Commercio Exterior de Colombia, S.A.,
    M.T.N. (Colombia),
    8.625%, 06/02/00..............................      Baa3          5,500       5,623,750
  Banque Cent De Tunisie, (Tunisia),
    7.50%, 09/19/07...............................      Baa3         13,600      12,716,000
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B19
<PAGE>
                     FLEXIBLE MANAGED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
LONG-TERM BONDS (CONTINUED)                         (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  City of Moscow, (Russia),
    9.50%, 05/31/00...............................      Ba2       $  12,500  $   11,812,500
  City of St. Petersburg, (Russia),
    9.50%, 06/18/02...............................       NR          35,000      31,500,000
  Province of Quebec, (Canada),
    6.238%, 06/15/99..............................       A2           2,000       2,005,313
  Republic of Argentina, (Argentina),
    6.687%, 03/31/05..............................       B1           1,949       1,744,176
  Republic of Colombia, (Colombia),
    7.625%, 02/15/07 (b)..........................      Baa3         25,000      23,344,250
    8.00%, 06/14/01...............................      Baa3          2,150       2,157,525
    8.75%, 10/06/99...............................      Baa3         12,300      12,666,786
  Republic of Philippines, (The Philippines),
    8.60%, 06/15/27 (b)...........................      Ba1           8,000       6,560,000
  Republic of South Africa, (South Africa),
    8.50%, 06/23/17...............................      Baa3         25,600      24,448,000
  Russian Ministry of Finance, (Russia),
    9.25%, 11/27/01...............................      Ba2          35,000      33,337,500
    10.00%, 06/26/07..............................      Ba2           5,600       5,188,400
  United Mexican States, (Mexico),
    11.50%, 05/15/26..............................      Ba2          11,200      13,272,000
                                                                             --------------
                                                                                186,376,200
                                                                             --------------
TOTAL LONG-TERM BONDS
  (cost $1,964,292,103)....................................................   1,966,905,540
                                                                             --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $4,731,647,845)....................................................   5,151,913,560
                                                                             --------------
 
SHORT-TERM INVESTMENTS -- 5.8%
ASSET-BACKED SECURITIES -- 0.4%
  Barton Capital Corp.,
    5.95%, 02/09/98...............................       P1           1,100       1,093,091
  Centric Capital Corp.,
    5.92%, 02/23/98...............................       P1           1,000         991,449
  Corporate Asset Funding Co., Inc.,
    5.78%, 02/24/98...............................       P1           5,400       5,354,049
  Mont Blanc Capital Corp.,
    5.82%, 02/13/98...............................       P1           2,000       1,986,420
  Restructured Asset Securities Enhanced Return,
    5.958%, 08/28/98..............................       P1           4,000       4,000,000
  Special Purpose Account Receivables Cooperative
    Corp.,
    5.80%, 03/26/98...............................       P1           1,000         986,628
  Strategic Money Market Trust,
    5.91%, 12/16/98...............................       P1           5,000       5,000,000
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
SHORT-TERM INVESTMENTS (CONT'D)                     (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  Variable Funding Capital Corp.,
    5.81%, 02/20/98...............................       P1       $   2,135  $    2,118,116
    5.88%, 01/29/98...............................       P1           1,000         995,590
    5.98%, 01/21/98...............................       P1           1,225       1,221,134
                                                                             --------------
                                                                                 23,746,477
                                                                             --------------
BANK ACCEPTANCE -- 0.1%
  Bank of Montreal, (Canada),
    5.68%, 02/17/98...............................       P1           4,000       3,970,969
                                                                             --------------
BANK NOTES -- 0.2%
  American Express Centurion Bank,
    5.929%, 09/22/98..............................       P1           5,000       5,000,000
  NBD Bank Michigan,
    5.00%, 01/30/98...............................       P1           3,000       2,997,534
  US Bank, N.A.,
    5.830%, 10/21/98..............................       P1           3,000       2,998,073
                                                                             --------------
                                                                                 10,995,607
                                                                             --------------
CERTIFICATES OF DEPOSIT-DOMESTIC -- 0.1%
  Taubman Realty Group,
    6.519%, 07/27/98..............................       P1           5,500       5,517,710
                                                                             --------------
CERTIFICATES OF DEPOSIT-EURODOLLAR -- 0.1%
  Morgan Guaranty Trust Co.,
    5.79%, 03/16/98...............................       P1           3,000       3,000,157
  Westdeutsche Landesbank Girozentral, (Germany),
    5.82%, 08/03/98...............................       P1           2,000       1,999,096
    5.83%, 08/03/98...............................       P1           3,000       2,998,731
                                                                             --------------
                                                                                  7,997,984
                                                                             --------------
CERTIFICATES OF DEPOSIT-YANKEE -- 0.4%
  Canadian Imperial Bank of Commerce, (Canada),
    5.80%, 03/02/98...............................       P1           1,000         999,485
    5.95%, 06/29/98...............................       P1           3,500       3,498,858
  Credit Agricole Indosuez, (France),
    5.75%, 02/10/98...............................       P1           5,000       5,000,000
  Dresdner Bank, AG, (Germany),
    5.95%, 10/20/98...............................       P1           5,000       4,998,743
  Royal Bank of Canada, (Canada),
    5.91%, 06/17/98...............................       P1           3,000       2,999,217
  Societe Generale, (France),
    6.19%, 05/06/98...............................       P1           4,000       3,999,194
                                                                             --------------
                                                                                 21,495,497
                                                                             --------------
COMMERCIAL PAPER -- 1.4%
  American General Finance Corp.,
    5.72%, 03/13/98...............................       P1           2,000       1,977,756
  Aon Corp.,
    5.79%, 03/13/98...............................       P2           1,000         988,742
    5.79%, 03/18/98...............................       P2           1,048       1,035,358
  Associates First Capital Corp.,
    5.79%, 02/04/98...............................       P1           1,000         994,692
  Bank of New York,
    5.75%, 02/06/98...............................       P1           2,285       2,272,226
  Barnett Bank, Inc.,
    6.00%, 01/28/98...............................       P1           3,000       2,987,000
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B20
<PAGE>
                     FLEXIBLE MANAGED PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
SHORT-TERM INVESTMENTS (CONT'D)                     (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  BBL North America,
    6.73%, 01/02/98...............................       P1       $   2,393  $    2,393,000
  Bell Atlantic Financial Services, Inc.,
    6.08%, 01/09/98...............................       P1           8,000       7,990,542
  BP America, Inc.,
    6.90%, 01/02/98...............................       P1           8,000       8,000,000
  Carnival Corp.,
    5.83%, 01/30/98...............................       P1           1,000         995,466
  Duke Capital Corp.,
    5.90%, 01/21/98...............................       P2           1,900       1,894,084
  First Chicago Financial Corp.,
    5.73%, 02/26/98...............................       P1           2,000       1,982,492
  General Electric Capital Services, Inc.,
    5.70%, 01/12/98...............................       P1           5,000       4,992,083
  General Motors Acceptance Corp.,
    5.76%, 02/09/98...............................       P1           4,000       3,975,680
  ING America Insurance Holdings, Inc.,
    5.74%, 04/03/98...............................       P1           3,000       2,956,472
    5.74%, 04/28/98...............................       P1           2,000       1,963,009
  Newell Co.,
    6.80%, 01/02/98...............................       P1           8,000       8,000,000
  PHH Corp.,
    6.75%, 01/02/98...............................       P2           8,000       8,000,000
  Safeco Corp.,
    5.76%, 03/17/98...............................       P2           3,000       2,964,480
  Xerox Capital PLC,
    5.75%, 02/05/98...............................       P1           3,221       3,203,508
    6.85%, 01/02/98...............................       P1           3,804       3,804,000
  Xerox Overseas Holdings PLC,
    5.79%, 02/10/98...............................       P1             996         989,753
                                                                             --------------
                                                                                 74,360,343
                                                                             --------------
FOREIGN GOVERNMENT OBLIGATIONS
  Republic of Colombia, (Colombia),
    7.125%, 05/11/98..............................      Ba1           2,700       2,727,000
                                                                             --------------
OTHER CORPORATE OBLIGATIONS -- 0.5%
  Beneficial Corp.,
    9.125%, 02/15/98..............................       P1           2,715       2,724,705
  Empresa Colombia de Petroleos, (Colombia),
    7.25%, 07/08/98...............................      BBB-          8,250       8,280,937
  General Electric Capital Corp.,
    13.50%, 01/20/98..............................       P1           3,000       3,010,899
  General Motors Acceptance Corp.,
    6.00%, 07/13/98...............................       P1           1,000       1,000,400
    5.786%, 09/21/98..............................       P1           3,500       3,497,158
  IBM Credit Corp.,
    5.65%, 02/27/98...............................       P1           3,500       3,498,798
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S     PRINCIPAL
                                                       RATING      AMOUNT        VALUE
SHORT-TERM INVESTMENTS (CONT'D)                     (UNAUDITED)     (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
  Morgan Stanley, Dean Witter, Discover & Co.,
    6.34%, 03/09/98...............................       P1       $   1,000  $    1,000,606
  Textron Financial Corp.,
    6.125%, 02/23/98..............................       A3           1,000       1,000,220
                                                                             --------------
                                                                                 24,013,723
                                                                             --------------
U. S. GOVERNMENT & AGENCY OBLIGATIONS -- 0.1%
  United States Treasury Bills,
    4.95%, 01/15/98 (b)...........................                    1,140       1,137,962
    5.135%, 01/22/98 (b)..........................                    3,000       2,991,442
    5.19%, 01/22/98 (b)...........................                    1,500       1,495,675
    5.195%, 03/19/98 (c)..........................                      370         365,942
    5.275%, 01/22/98 (b)..........................                      800         797,656
                                                                             --------------
                                                                                  6,788,677
                                                                             --------------
REPURCHASE AGREEMENT -- 2.5%
  Joint Repurchase Agreement Account,
    6.53%, 01/02/98
      (Note 5)....................................                  137,860     137,860,000
                                                                             --------------
TOTAL SHORT-TERM INVESTMENTS
  (cost $319,318,208)......................................................     319,473,987
                                                                             --------------
TOTAL INVESTMENTS -- 99.7%
  (cost $5,050,966,053; Note 6)............................................   5,471,387,547
                                                                             --------------
VARIATION MARGIN ON OPEN FUTURES CONTRACTS (D).............................
                                                                                   (203,828)
OTHER ASSETS IN EXCESS OF OTHER LIABILITIES -- 0.3%........................
                                                                                 18,958,375
                                                                             --------------
TOTAL NET ASSETS -- 100.0%.................................................  $5,490,142,094
                                                                             --------------
                                                                             --------------
</TABLE>
 
    The following abbreviations are used in portfolio descriptions:
    ADR     American Depository Receipt
        AG  Aktiengesellschaft (German Stock Company)
    L.P.    Limited Partnership
    PLC     Public Limited Company (British Corporation)
        SA  Sociedad Anonima (Spanish Corporation) or Societe Anonyme (French
            Corporation)
 
(a)  Non-income producing security.
 
(b)  Security segregated as collateral for futures contracts.
 
(c)  Portion of security segregated as collateral for futures contracts.
     Aggregate value of segregated securities -- $100,311,229.
 
(d)  Open futures contracts as of December 31, 1997 are as follows:
 
<TABLE>
<C>        <S>             <C>        <C>          <C>               <C>
                                                       VALUE AT
NUMBER OF                  EXPIRATION  VALUE AT      DECEMBER 31,    APPRECIATION/
CONTRACTS       TYPE         DATE     TRADE DATE         1997        DEPRECIATION
Long positions:
           U.S. 5 yr
   627     T-Note           Mar 98    $67,867,922    $68,107,875      $239,953
   865     U.S. T-Bond      Mar 98    $103,945,625   $104,205,469     $259,844
Short Position:
  1,779    U.S. T-Bond      Mar 98    $205,927,125   $207,989,344    $(2,062,219)
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B21
<PAGE>
                           HIGH YIELD BOND PORTFOLIO
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S                        PRINCIPAL
LONG-TERM INVESTMENTS -- 96.2%
<S>                                                 <C>           <C>      <C>       <C>        <C>
                                                       RATING     INTEREST MATURITY   AMOUNT        VALUE
                                                    (UNAUDITED)    RATE      DATE      (000)       (NOTE 2)
CORPORATE BONDS -- 88.7%
 
<CAPTION>
                                                    ------------  ------   --------  ---------  --------------
<S>                                                 <C>           <C>      <C>       <C>        <C>
AEROSPACE -- 1.4%
  Fairchild Corp., Sub. Deb.......................      Caa       12.00%   10/15/01  $   2,571  $    2,583,855
  Sequa Corp., Sr. Sub. Notes.....................       B3       9.375%   12/15/03      2,000       2,080,000
  Talley Manufacturing & Technology, Inc., Sr.
    Notes.........................................       B2       10.75%   10/15/03      3,000       3,195,000
                                                                                                --------------
                                                                                                     7,858,855
                                                                                                --------------
AUTOMOTIVE PARTS -- 2.1%
  JPS Automotive Products Corp., L.P., Sr.
    Notes.........................................       B2       11.125%  06/15/01      4,000       4,460,000
  Stanadyne Automotive, Sr. Sub. Notes............      Caa       10.25%   12/15/07      3,000       3,000,000
  Venture Holdings Trust, Sr. Notes...............       B2        9.50%   07/01/05      3,700       3,755,500
  Walbro Corp., Sr. Notes.........................       B2       10.125%  12/15/07      1,000       1,025,000
                                                                                                --------------
                                                                                                    12,240,500
                                                                                                --------------
BROADCASTING & OTHER MEDIA -- 4.4%
  American Lawyer Media Holdings, Inc., Sr. Disc.
    Notes,
    Zero Coupon (until 12/15/02)..................       B3       12.25%   12/15/08      1,000         565,000
  American Lawyer Media Holdings, Inc., Sr.
    Notes.........................................       B1        9.75%   12/15/07      1,300       1,319,500
  Benedek Broadcasting Corp., Sr. Notes...........       B2       11.875%  03/01/05      2,910       3,266,475
  Capstar Broadcasting, Sr. Sub. Notes............       B2        9.25%   07/01/07      2,000       2,010,000
  Globo Communicacoes E Particip., Sr. Notes......       NR       10.50%   12/20/06      2,040       1,963,500
  Paxson Communications Corp., Sr. Sub. Notes.....       B3       11.625%  10/01/02      2,500       2,700,000
  Plitt Theaters, Inc., Sr. Sub. Notes............       B3       10.875%  06/15/04      4,000       4,325,000
  Transwestern Publishing, Sr. Disc. Notes, Zero
    Coupon (until 11/15/02).......................       B3       11.875%  11/15/08      3,650       2,190,000
  TV Azteca SA DE CV, Sr. Notes...................       NR       10.50%   02/15/07      2,850       2,935,500
  United Artists Theatre Circuit, Inc., Sr.
    Notes.........................................      Ba3       11.50%   05/01/02      3,000       3,127,500
  Von Hoffman Press, Inc., Sr. Sub. Notes.........       B3       10.375%  05/15/07        500         533,750
                                                                                                --------------
                                                                                                    24,936,225
                                                                                                --------------
BUILDING & RELATED INDUSTRIES -- 1.8%
  EMCOR Group, Inc., Notes........................       NR       11.00%   12/15/01      2,654       2,763,501
  Falcon Building Products, Inc., Sr. Sub. Disc.
    Notes,
    Zero Coupon (until 6/15/02)...................       NR       10.50%   06/15/07      1,900       1,254,000
  Koppers Industry, Inc., Sr. Sub. Notes..........       B2       9.875%   12/01/07      1,050       1,081,500
  Nortek, Inc., Sr. Notes.........................       B1       9.125%   09/01/07      2,500       2,518,750
  Wickes Lumber Co., Sr. Notes....................       B3       11.625%  12/15/03      3,000       2,865,000
                                                                                                --------------
                                                                                                    10,482,751
                                                                                                --------------
CABLE -- 5.2%
  CD Radio, Inc., Sr. Disc. Notes, Zero Coupon
    (until 12/01/02)..............................       NR       12.25%   12/01/07      7,245       3,260,250
  Comcast Corp., Sr. Sub. Notes...................       B1       10.625%  07/15/12      1,500       1,857,855
  Diamond Cable Co., Sr. Disc. Notes, Zero Coupon
    (until 9/30/99)...............................       B3       13.25%   09/30/04      2,000       1,800,000
  Echostar Communications Corp., Sr. Disc. Notes,
    Zero Coupon (until 6/01/99)...................      Caa       12.25%   06/01/04      3,165       2,895,975
  Echostar Satellite, Sr. Disc. Notes, Zero Coupon
    (until 3/15/00)...............................       B2       13.125%  03/15/04      1,500       1,245,000
  Falcon Holdings Group, L.P., Series B, Sr. Sub.
    Notes, PIK....................................       B3       11.00%   09/15/03      4,241       4,569,611
  Intermedia Capital Partners, Sr. Notes..........       B2       11.25%   08/01/06      3,380       3,751,800
  International Cabletel, Inc., Zero Coupon (until
    10/15/98).....................................       B3       10.875%  10/15/03      1,500       1,436,250
  International Cabletel, Inc., Sr. Disc. Notes,
    Zero Coupon (until 4/30/01)...................       B3       12.75%   04/15/05      4,350       3,654,000
  Rogers Cablesystems Inc., Sr. Sec'd. Deb.
    (Canada)......................................      Ba3       10.00%   12/01/07      1,000       1,095,000
  Rogers Cablesystems, Inc., Sr. Sec'd. Notes
    (Canada)......................................      Ba3       10.00%   03/15/05      1,750       1,925,000
  Star Choice Communications, Inc., Sr. Notes
    (Canada) (b) (cost $1,750,000; purchased
    12/18/97).....................................       B3       13.00%   12/15/05      1,750       1,811,250
                                                                                                --------------
                                                                                                    29,301,991
                                                                                                --------------
CHEMICALS -- 1.3%
  Applied Extrusion Technology, Inc., Sr. Notes...       B2       11.50%   04/01/02      1,500       1,597,500
  Borden Chemicals & Plastics, L.P., Sr. Notes....      Ba2        9.50%   05/01/05      1,500       1,593,750
  Sterling Chemical Holdings, Inc., Sr. Disc.
    Notes, Zero Coupon (until 8/15/01)............      Caa       13.50%   08/15/08      5,060       3,036,000
  Sterling Chemical Holdings, Inc., Sr. Sub.
    Notes.........................................       B3       11.75%   08/15/06      1,000       1,020,000
                                                                                                --------------
                                                                                                     7,247,250
                                                                                                --------------
CONSUMER PRODUCTS -- 3.9%
  Coleman Escrow Corp., Sr. Disc. Notes...........       B3        Zero    05/15/01      2,250       1,496,250
  Coleman Holdings, Sr. Disc. Notes...............      Caa        Zero    05/15/01      1,500         903,750
  French Fragrances, Inc., Sr. Notes..............       NR       10.375%  05/15/07      1,350       1,417,500
  Hedstrom Corp., Sr. Disc. Notes, Zero Coupon
    (until 6/01/02)...............................      Caa       12.00%   06/01/09        400         240,000
  Hedstrom Corp., Sr. Sub. Notes..................       B3       10.00%   06/01/07        900         906,750
  IHF Holdings, Inc., Sr. Disc. Notes, Zero Coupon
    (until 11/15/99)..............................      Caa       15.00%   11/15/04      2,000       1,740,000
  Packaging Resources Group, Sr. Notes............       NR       13.00%   06/30/03      1,864       1,742,606
  Radnor Holdings, Sr. Notes......................       B2       10.00%   12/01/03      1,500       1,557,500
  Rayovac Corp., Sr. Sub. Notes...................       B3       10.25%   11/01/06      2,080       2,267,200
  Remington Products Co., Sr. Sub. Notes..........       B3       11.00%   05/15/06      2,500       2,112,500
  Sealy Corp., Sr. Disc. Notes, Zero Coupon (until
    12/15/02).....................................       B3       10.875%  12/15/07      2,500       1,512,500
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B22
<PAGE>
                     HIGH YIELD BOND PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S                        PRINCIPAL
                                                       RATING     INTEREST MATURITY   AMOUNT        VALUE
CORPORATE BONDS (CONTINUED)                         (UNAUDITED)    RATE      DATE      (000)       (NOTE 2)
                                                    ------------  ------   --------  ---------  --------------
<S>                                                 <C>           <C>      <C>       <C>        <C>
  Syratech Corp., Sr. Notes.......................       B1       11.00%   04/15/07  $   2,550  $    2,371,500
  Twin Labs, Inc., Gtd. Notes.....................       B3       10.25%   05/15/06      3,400       3,672,000
                                                                                                --------------
                                                                                                    21,940,056
                                                                                                --------------
DEFENSE -- 0.2%
  Stellex Industries, Inc., Sr. Sub. Notes........       B3        9.50%   11/01/07      1,000       1,007,500
                                                                                                --------------
 
DRUGS & HEALTHCARE -- 4.5%
  Alliance Imaging, Sr. Sub. Notes................       B3       9.625%   12/15/05      1,500       1,530,000
  Community Distributors, Sr. Notes...............       B2       10.25%   10/15/04        900         922,500
  Dade International, Inc., Sr. Sub. Notes........       B3       11.125%  05/01/06      6,000       6,675,000
  Graham-Field Health Products, Inc., Sr. Sub.
    Notes.........................................       B3        9.75%   08/15/07      2,630       2,741,775
  Integrated Health Services, Inc., Sr. Sub.
    Notes.........................................       B2        9.25%   01/15/08      4,000       4,080,000
  Owens & Minor, Inc., Sr. Sub. Notes.............       B1       10.875%  06/01/06      3,450       3,829,500
  Paracelsus Health, Sr. Sub. Notes...............       B1       10.00%   08/15/06      2,750       2,805,000
  Paragon Health Networks, Sr. Sub. Notes, Zero
    Coupon (until 11/01/02).......................       B3       10.50%   11/01/07      3,000       1,860,000
  Tenet Healthcare Corp., Sr. Sub. Notes..........      Ba3       8.625%   01/15/07      1,250       1,290,625
                                                                                                --------------
                                                                                                    25,734,400
                                                                                                --------------
ENERGY -- 3.0%
  Anker Coal Group, Inc., Sr. Notes...............       B3        9.75%   10/01/07      2,900       2,885,500
  Clark USA, Inc., Sr. Notes......................       B3       10.875%  12/01/05      1,250       1,360,937
  Falcon Drilling Co., Inc., L.P., Series B, Sr.
    Sub. Notes....................................       B3       12.50%   03/15/05      2,500       2,856,250
  KCS Energy, Inc., Sr. Notes.....................       B1       11.00%   01/15/03      4,000       4,380,000
  Petroleum Heat & Power, Inc., Sub. Deb..........       B2       9.375%   02/01/06      3,000       2,700,000
  Petroleum Heat & Power, Inc., Sub. Deb..........       B2       12.25%   02/01/05        813         827,227
  Transamerican Energy Corp., Sr. Disc. Notes,
    Zero Coupon (until 6/15/99)...................       B3       13.00%   06/15/02      1,300       1,049,750
  Transamerican Energy Corp., Sr. Disc. Notes.....       B3       11.50%   06/15/02        900         904,500
                                                                                                --------------
                                                                                                    16,964,164
                                                                                                --------------
FINANCIAL SERVICES -- 2.4%
  AmeriCredit Corp., Sr. Notes....................       B+        9.25%   02/01/04      2,500       2,500,000
  Beaver Valley Funding, Inc., Deb................       B1       8.625%   06/01/07      1,453       1,546,675
  Delta Financial Corp., Sr. Notes................       B1        9.50%   08/01/04      1,125       1,116,562
  First Nationwide Holdings, Inc., Sr. Notes......       B2       12.50%   04/15/03      2,600       2,951,000
  First Nationwide Holdings, Inc., Sr. Sub.
    Notes.........................................       NR       10.625%  10/01/03      1,600       1,788,000
  Korea Development Bank (Korea) Bonds............       A1        6.50%   11/15/02      1,000         801,940
  Korea Development Bank (Korea) Bonds............      Ba1        7.00%   07/15/99        900         819,720
  Korea Development Bank (Korea) Bonds............      Ba1       7.375%   09/17/04      2,000       1,600,420
  Polysindo Int'l. Finance Co., Gtd. Notes,
    (Indonesia)...................................      Ba3       11.375%  06/15/06        800         648,000
                                                                                                --------------
                                                                                                    13,772,317
                                                                                                --------------
FOOD & BEVERAGE -- 2.0%
  Curtis-Burns Foods, Inc., Sr. Sub. Notes........       B3       12.25%   02/01/05      2,870       3,142,650
  NBTY Inc., Sr. Sub. Notes.......................       B1       8.625%   09/15/07      2,000       2,000,000
  Pilgrim's Pride Corp., Sr. Sub. Notes...........       B3       10.875%  08/01/03      1,951       2,038,795
  PSF Holdings, LLC, Notes (b) (cost $255,739;
    purchased 9/17/96 and
    3/03/97)......................................       NR       11.00%   09/17/03        256         274,919
  Specialty Foods Acquisition Corp., Sr. Notes....       B2       10.25%   08/15/01      2,765       2,723,525
  Specialty Foods Corp., Sr. Sub. Notes...........      Caa       11.25%   08/15/03      1,000         930,000
                                                                                                --------------
                                                                                                    11,109,889
                                                                                                --------------
GAMING -- 6.0%
  Aztar Corp., Sr. Sub. Notes.....................       B2       13.75%   10/01/04      2,000       2,290,000
  Blue Chip Casino, Sr. Sub. Notes................       NR        9.50%   09/15/02      2,749       2,061,750
  Casino Magic Finance Corp., First Mtge. Bonds...       B3       13.00%   08/15/03      4,500       4,275,000
  Colorado Gaming & Entertainment, Sr. Notes,
    PIK...........................................       NR       12.00%   06/01/03      4,026       4,347,799
  Fitzgerald Gaming, Sr. Notes....................       B3       12.25%   12/15/04      1,750       1,763,125
  Grand Casinos, Inc., Sr. Notes..................       B2        9.00%   10/15/04      1,000       1,005,000
  Grand Casinos, Inc., Sr. Notes..................      Ba3       10.125%  12/01/03      3,950       4,266,000
  Isle of Capri Black Hawk, LLC, First Mtg.
    Notes.........................................       B3       13.00%   08/31/04      3,000       3,030,000
  Lady Luck Gaming, First Mtge. Notes.............       B2       11.875%  03/01/01      3,000       3,045,000
  Louisiana Casino Cruises, Inc., Sr. Notes.......       NR       11.50%   12/01/98      2,680       2,683,100
  Majestic Star Casino, Sr. Notes.................       B2       12.75%   05/15/03      2,175       2,332,688
  Trump Atlantic City Assoc., First Mtge. Notes...      Caa       11.75%   11/15/03      3,000       2,760,000
                                                                                                --------------
                                                                                                    33,859,462
                                                                                                --------------
INDUSTRIAL -- 4.5%
  Allied Waste North America, Inc., Sr. Sub.
    Notes.........................................       B2       10.25%   12/01/06      3,000       3,292,500
  Clean Harbors, Inc., Sr. Notes..................       B2       12.50%   05/15/01         50          50,000
  Continental Global Group, Sr. Notes.............       B2       11.00%   04/01/07      1,170       1,246,050
  Glasstech, Inc., Sr. Notes......................       NR       12.75%   07/01/04      1,500       1,552,500
  ICF Kaiser International, Inc., Sr. Sub.
    Notes.........................................       B3       12.00%   12/31/03        500         520,625
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B23
<PAGE>
                     HIGH YIELD BOND PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S                        PRINCIPAL
                                                       RATING     INTEREST MATURITY   AMOUNT        VALUE
CORPORATE BONDS (CONTINUED)                         (UNAUDITED)    RATE      DATE      (000)       (NOTE 2)
                                                    ------------  ------   --------  ---------  --------------
<S>                                                 <C>           <C>      <C>       <C>        <C>
  Interlake Corp., Sr. Sub. Notes.................       B3       12.125%  03/01/02  $   4,500  $    4,725,000
  Jordan Telecommunication Products, Inc., Sr.
    Notes.........................................       B3       9.875%   08/01/07      2,900       2,965,250
  Kaiser Aluminum & Chemical Corp., Sr. Sub.
    Notes.........................................       B2       12.75%   02/01/03      3,000       3,191,250
  Motors & Gears, Inc., Sr. Notes.................       B3       10.75%   11/15/06      3,500       3,718,750
  RBX Corp., Sr. Notes............................       B2       12.00%   01/15/03      2,300       2,357,500
  Viasystems, Inc., Sr. Sub. Notes................       B3        9.75%   06/01/07      1,750       1,806,875
                                                                                                --------------
                                                                                                    25,426,300
                                                                                                --------------
LEISURE & TOURISM -- 1.2%
  Bally Total Fitness Holdings, Inc., Sr. Sub.
    Notes.........................................       B3       9.875%   10/15/07      1,350       1,370,250
  Discovery Zone, Inc., Sr. Notes.................       NR       13.50%   08/01/02      2,000       2,080,000
  Icon Health & Fitness, Sr. Sub. Notes...........       B3       13.00%   07/15/02      3,000       3,345,000
                                                                                                --------------
                                                                                                     6,795,250
                                                                                                --------------
LODGING -- 0.5%
  HMC Acquisition, Sr. Notes......................      Ba3        9.00%   12/15/07      3,000       3,135,000
                                                                                                --------------
 
MISCELLANEOUS -- 1.3%
  Coinstar, Inc., Sr. Sub. Notes..................       NR       13.00%   10/01/06      2,275       1,797,250
  Electronic Retailing Systems, Sr. Disc. Notes,
    Zero Coupon (until 2/01/00)...................       NR       13.25%   02/01/04      2,000       1,330,000
  Interact Systems Inc., Sr. Disc. Notes, Zero
    Coupon (until 8/1/99).........................       NR       14.00%   08/01/03      4,400       1,628,000
  Kindercare Learning Center, Sr. Sub. Notes......       B3        9.50%   02/15/09      2,500       2,487,500
                                                                                                --------------
                                                                                                     7,242,750
                                                                                                --------------
OIL & GAS -- 0.8%
  Empire Gas Corp., Sr. Notes.....................      Caa        7.00%   07/15/04      5,300       4,743,500
                                                                                                --------------
 
PAPER/PACKAGING -- 7.1%
  APP Int'l. Finance Co., Sr. Notes (b) (cost
    $4,093,123; purchased 2/11/97 and 2/20/97)....      Ba3       11.75%   10/01/05      3,750       3,468,750
  Consumers Int'l., Sr. Notes.....................      Ba3       10.25%   04/01/05      2,700       2,943,000
  Envirodyne Industries, Sr. Disc. Notes..........       B1       12.00%   06/15/00      4,600       4,922,000
  Gaylord Container Corp., Sr. Notes..............       B         9.75%   06/15/07      2,100       2,026,500
  Gaylord Container Corp., Sr. Sub. Disc. Notes...      Caa       12.75%   05/15/05      4,365       4,670,550
  Maxxam Group Holdings, Inc., Sr. Notes..........       NR       12.00%   08/01/03      4,000       4,320,000
  Pacific Lumber Co., Sr. Notes...................       B3       10.50%   03/01/03      4,875       5,045,625
  SD Warren Co., Sr. Sub. Notes...................       B1       12.00%   12/15/04      2,500       2,793,750
  Silgan Holdings, Inc., Sub. Deb.................       NR       13.25%   07/15/06      3,149       3,597,733
  Stone Container, Sr. Sub. Notes.................       B3       12.25%   04/01/02      1,300       1,316,250
  U.S. Timberlands Klamath Fall, LLC, Sr. Notes...       B1       9.625%   11/15/07      2,250       2,328,750
  United Stationer Supply Co., Sr. Sub. Notes.....       B3       12.75%   05/01/05      2,667       3,033,713
                                                                                                --------------
                                                                                                    40,466,621
                                                                                                --------------
PUBLISHING -- 1.5%
  American Banknote Corp., Sr. Sub. Notes.........       B3       11.25%   12/01/07      4,000       4,010,000
  Sullivan Graphics, Inc., Sr. Sub. Notes.........      Caa       12.75%   08/01/05      4,500       4,545,000
                                                                                                --------------
                                                                                                     8,555,000
                                                                                                --------------
RESTAURANTS -- 1.1%
  American Restaurant, Sr. Notes..................       NR       13.00%   09/15/98        694         672,893
  Flagstar Corp., Sr. Notes.......................       B2       10.75%   09/15/01      3,000       3,337,500
  FRI-MRD Corp., Sr. Disc. Notes, Zero Coupon
    (until 8/1/99)................................       NR       15.00%   01/24/02      3,000       2,497,500
                                                                                                --------------
                                                                                                     6,507,893
                                                                                                --------------
RETAIL -- 7.8%
  Barry's Jewelers, Inc., Sr. Notes (b) (cost
    $603,980; purchased 2/13/97)..................       B3       11.00%   12/22/00        750         450,000
  County Seat Stores, Inc., Sr. Notes (b) (cost
    $2,750,000; purchased 10/23/97)...............       NR       12.75%   11/01/04      2,750       2,832,500
  Duane Reade Corp., Sub. Notes, Zero Coupon
    (until 9/15/99)...............................      Caa       15.00%   09/15/04      7,840       6,546,400
  Edison Brothers, Inc., Sr. Notes................       NR       11.00%   01/01/07      3,000       2,700,000
  Hechinger Co., Sr. Notes........................       B2        6.95%   10/15/03      4,125       2,928,750
  Jitney-Jungle Stores America, Inc., Sr. Notes...       B2       12.00%   03/01/06      2,000       2,270,000
  Kmart Corp., Deb................................      Ba3        8.25%   01/01/22      3,250       3,152,500
  Kmart Corp., Deb................................      Ba3       8.375%   07/01/22      2,500       2,437,500
  Leslie's Poolmart, Sr. Notes....................       NR       10.375%  07/15/04      2,500       2,600,000
  Merisel, Inc., Sr. Notes........................       Ca       12.50%   12/31/04      3,250       3,640,000
  New Sassco, Inc., Sr. Notes.....................       NR       12.75%   05/01/04      7,171       7,592,296
  Pamida, Inc., Sr. Notes.........................       B3       11.75%   03/15/03      2,500       2,562,500
  Phar-Mor, Inc., Sr. Notes.......................       B3       11.72%   09/11/02      4,564       4,792,200
                                                                                                --------------
                                                                                                    44,504,646
                                                                                                --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B24
<PAGE>
                     HIGH YIELD BOND PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S                        PRINCIPAL
                                                       RATING     INTEREST MATURITY   AMOUNT        VALUE
CORPORATE BONDS (CONTINUED)                         (UNAUDITED)    RATE      DATE      (000)       (NOTE 2)
                                                    ------------  ------   --------  ---------  --------------
<S>                                                 <C>           <C>      <C>       <C>        <C>
STEEL & METAL -- 3.3%
  Earle M. Jorgensen Co., Sr. Notes...............       B3       10.75%   03/01/00  $   3,250  $    3,347,500
  Ladish Company, Inc., Sr. Sub. Notes............       NR       12.00%   12/22/00        517         521,841
  Northwestern Steel & Wire, Sr. Notes............       B3        9.50%   06/15/01      1,000         970,000
  Pohang Iron & Steel, Sr. Notes..................      Ba1       6.625%   07/01/03      2,000       1,544,040
  Sheffield Steel Corp., First Mtg. Notes.........      Caa       11.50%   12/01/05      3,500       3,640,000
  WCI Steel, Inc. Sr. Notes.......................       B2       10.00%   12/01/04      4,000       4,090,000
  Wheeling-Pittsburgh Corp., Sr. Notes............       B2        9.25%   11/15/07      4,625       4,463,125
                                                                                                --------------
                                                                                                    18,576,506
                                                                                                --------------
SUPERMARKETS -- 1.7%
  Homeland Stores, Inc., Notes....................       NR       10.00%   08/01/03      4,181       3,762,900
  Pantry, Inc., Sr. Sub. Notes....................       B3       10.25%   10/15/07      2,800       2,870,000
  Shoppers Food Warehouse Corp., Sr. Notes........       NR        9.75%   06/15/04      2,500       2,550,000
  Southland Corp., Sr. Notes......................       B3       12.00%   06/15/09        500         500,000
                                                                                                --------------
                                                                                                     9,682,900
                                                                                                --------------
TECHNOLOGY -- 1.2%
  Details Holdings Corp., Sr. Disc. Notes, Zero
    Coupon (until 11/15/02).......................      Caa       11.875%  11/15/07      1,300         760,500
  Details, Inc., Sr. Sub. Notes...................       B3       10.00%   11/15/05      1,000       1,027,500
  DII Group, Sr. Sub. Notes.......................       B1        8.50%   09/15/07      2,000       1,965,000
  Unisys Corp., Sr. Notes.........................       B1       11.75%   10/15/04      2,500       2,862,500
                                                                                                --------------
                                                                                                     6,615,500
                                                                                                --------------
TELECOMMUNICATIONS -- 15.0%
  Cellnet Data Systems, Inc., Sr. Disc. Notes (b),
    Zero Coupon (until 10/01/02), (cost
    $3,686,306; purchased on various dates:
    6/06/95 through 9/24/97)......................       NR       14.00%   10/01/07      7,010       3,119,450
  Centennial Cellular Corp., Sr. Notes............       B1       10.125%  05/15/05      2,000       2,170,000
  Concentric Network Corp., Sr. Notes.............       NR       12.75%   12/15/07      2,500       2,562,500
  Crown Castle Int'l Corp., Sr. Disc. Notes, Zero
    Coupon (until 11/15/02).......................       B3       11.875%  11/15/07      1,400         875,000
  Geotek Communication, Inc., Sr. Disc. Notes,
    Zero Coupon (until 7/15/00)...................      Caa       15.00%   07/15/05      5,000       2,600,000
  GST Telecommunications, Inc., Sr. Disc. Notes,
    Series L,
    Zero Coupon (until 12/15/00)..................       NR       13.875%  12/15/05      5,200       3,978,000
  Highway Master Communications, Inc., Sr.
    Notes.........................................      Caa       13.75%   09/15/05      2,000       2,030,000
  Hyperion Telecom, Inc., Sr. Disc. Notes, Zero
    Coupon (until 4/01/01)........................       NR       13.00%   04/15/03      1,250         906,250
  ICG Holdings Inc., Sr. Sub. Notes, Zero Coupon
    (until 9/15/00)...............................       NR       13.50%   09/15/05      3,800       3,120,750
  Impsat Corp., Gtd. Sr. Notes....................       B2       12.125%  07/15/03      3,500       3,552,500
  International Wireless Group, Inc., Sr. Sub.
    Notes.........................................       NR       11.75%   06/01/05      3,000       3,292,500
  Ionica PLC, Sr. Notes...........................       NR       13.50%   08/15/06      5,000       4,237,500
  McCaw Int'l. Ltd., Sr. Disc. Notes, Zero Coupon
    (until 4/15/02)...............................       NR       13.00%   04/15/07      2,000       1,165,000
  McLeod USA, Inc., Sr. Disc. Notes, Zero Coupon
    (until 3/01/02)...............................       B3       10.50%   03/01/07      4,400       3,201,000
  Metrocall, Inc., Sr. Sub. Notes.................       B2       10.375%  10/01/07      1,250       1,265,625
  MGC Communications, Inc., Sr. Notes.............      Caa       13.00%   10/01/04      2,950       3,023,750
  Microcell Telecommunications, Sr. Disc. Notes,
    Zero Coupon (until 6/01/06)...................       NR       14.00%   06/01/06      2,000       1,350,000
  Netia Holdings, Sr. Disc. Notes, Zero Coupon
    (until 11/01/01)..............................       NR       11.25%   11/01/07      3,250       1,852,500
  Netia Holdings, Sr. Notes.......................       NR       10.25%   11/01/07      1,000         960,000
  Nextel Communications, Inc., Sr. Disc. Notes,
    Zero Coupon (until 10/31/02)..................       B3        9.75%   10/31/07      1,500         920,625
  Omnipoint Corp., Sr. Notes......................       B3       11.625%  08/15/06        500         531,875
  Omnipoint Corp., Sr. Notes......................       B3       11.625%  08/15/06      3,875       4,097,813
  PTC Int'l. Finance Co., Zero Coupon (until
    7/01/02)......................................       NR       10.75%   07/01/07      2,100       1,344,000
  Pagemart Nationwide, Inc., Sr. Disc. Notes,
    Series H,
    Zero Coupon (until 2/1/00)....................       NR       15.00%   02/01/05      6,500       5,557,500
  Price Communications Cellular Holdings, Sr.
    Disc. Notes, Zero Coupon (until 11/01/02).....       NR       13.50%   08/01/07      2,000       1,280,000
  Price Communications Wireless, Inc., Sr. Sub.
    Notes.........................................       NR       11.75%   07/15/07      2,500       2,712,500
  Primus Telecom Group, Sr. Notes.................       B3       11.75%   08/01/04      1,500       1,605,000
  RCN Corp., Sr. Disc. Notes, Zero Coupon (until
    10/15/02).....................................       NR       11.125%  10/15/07      2,200       1,380,500
  RCN Corp., Sr. Notes............................       NR       10.00%   10/15/07      1,100       1,141,250
  Rogers Cantel, Inc., Sr. Sub. Notes, Zero Coupon
    (until 11/30/02)..............................       B2        8.80%   10/01/07      4,800       4,776,000
  Telegroup, Inc., Sr. Disc. Notes, Zero Coupon
    (until 5/1/00)................................       NR       10.50%   11/01/04      4,000       3,095,000
  Telesystem Int'l. Wireless, Inc., Sr. Disc.
    Notes.........................................      Caa       10.50%   11/01/07      1,150         638,250
  Telesystem Int'l. Wireless, Inc., Sr. Disc.
    Notes, Zero Coupon (until 6/30/02)............       NR       13.25%   06/30/07      1,000         632,500
  UNIFI Communications, Inc., Sr. Notes...........       NR       14.00%   03/01/04      3,750       3,375,000
  Unisite, Inc., Sub. Accrual Note................       NR       13.00%   12/15/04      4,000       4,000,000
  USN Communications, Inc., Sr. Disc. Notes, Zero
    Coupon (until 8/15/00)........................      Caa       14.625%  08/15/04      1,059         804,840
  Vialog Corp., Sr. Notes.........................       NR       12.75%   11/15/01      2,000       2,090,000
                                                                                                --------------
                                                                                                    85,244,978
                                                                                                --------------
TEXTILES -- 1.6%
  Congoleum Corp., Sr. Notes......................       B1        9.00%   02/01/01        945         968,625
  Foamex, L.P., Sr. Sub. Notes....................       B3       9.875%   06/15/07      3,700       3,792,500
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B25
<PAGE>
                     HIGH YIELD BOND PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      MOODY'S                        PRINCIPAL
                                                       RATING     INTEREST MATURITY   AMOUNT        VALUE
CORPORATE BONDS (CONTINUED)                         (UNAUDITED)    RATE      DATE      (000)       (NOTE 2)
                                                    ------------  ------   --------  ---------  --------------
<S>                                                 <C>           <C>      <C>       <C>        <C>
  Tultex Corp., Sr. Notes.........................      Ba3       9.625%   04/15/07  $   3,000  $    2,992,500
  Worldtex, Inc., Sr. Notes.......................       B1       9.625%   12/15/07      1,450       1,486,250
                                                                                                --------------
                                                                                                     9,239,875
                                                                                                --------------
TRANSPORTATION -- 1.9%
  Ameritruck Distribution Corp., Sr. Sub. Notes
    (b) (cost $3,099,070; purchased on various
    dates: 1/16/96 through 6/05/97)...............       B3       12.25%   11/15/05      3,090       3,090,000
  Kitty Hawk, Inc., Sr. Notes.....................       B1        9.95%   11/15/04      1,400       1,435,000
  Trans World Airlines, Sr. Notes.................       NR       11.50%   12/15/04      1,750       1,758,750
  Airtran Holdings, Inc., Sr. Notes...............       B3       10.25%   04/15/01      2,000       1,850,000
  Airtran Holdings, Inc., Sr. Notes...............       B2       10.50%   04/15/01      3,000       2,955,000
                                                                                                --------------
                                                                                                    11,088,750
                                                                                                --------------
TOTAL CORPORATE BONDS
  (cost $496,878,727).........................................................................     504,280,829
                                                                                                --------------
 
CONVERTIBLE BONDS -- 0.9%
TELECOMMUNICATIONS
  GST Telecommunications, Inc., Sr. Disc. Notes,
    Series H,
    Zero Coupon (until 12/15/00)..................       NR       13.875%  12/15/05        650         624,000
  Geotek Communications, Inc......................      Caa       12.00%   02/15/01      2,000       1,500,000
  Winstar Communications, Inc., Conv. Notes.......       NR       14.00%   10/15/05      2,875       2,961,250
                                                                                                --------------
    (cost $4,766,282).........................................................................       5,085,250
                                                                                                --------------
 
COMMON STOCKS (A) -- 0.2%                              SHARES
                                                    -------------
  Cellnet Data Systems, Inc. (b) (cost $170;
    purchased 6/23/97)............................         34,000         263,500
  Coinstar, Inc...................................          6,300          57,488
  Dr. Pepper Bottling Holdings, Inc., (Class "B"
    Stock)........................................          5,807         119,044
  Hedstrom Holding Co.............................         24,261          30,326
  Intermedia Communications, PIK..................          1,132          68,769
  Loehmann's Holdings, Inc........................          4,403          25,317
  Pagemart Nationwide, Inc........................         13,125         118,125
  PM Holdings Corp................................          1,103         579,075
  PSF Holdings, LLC (b)/(c) (cost $757,452;
    purchased 9/17/96)............................         22,025         726,825
                                                                   --------------
TOTAL COMMON STOCKS
  (cost $804,909)................................................       1,988,469
                                                                   --------------
 
PREFERRED STOCKS -- 5.9%
  Adelphia Communications, Inc....................         52,500       6,221,250
  American Communication Services, Inc............          4,643         467,827
  AmeriKing, Inc..................................         19,990         539,730
  BioSafe International, Inc......................          7,219       1,925,091
  Cablevision Systems Corp., Series L, PIK........              1           9,240
  California Federal Bancorp, Inc.................        100,000       2,625,000
  Chancellor Media Corp...........................         17,058       2,046,960
  Clark USA, Inc..................................          4,750         503,500
  EchoStar Communications, Inc....................         35,534       3,660,018
  Fitzgerald Gaming, Inc..........................         50,000       1,561,500
  Geneva Steel, Inc...............................         18,000       1,350,000
  Hyperion Telecommunications.....................          5,659         570,178
  ICG Communications, Inc.........................         11,085       1,274,758
  Intermedia Comm., PIK...........................         76,084         932,029
  Intermedia Communications.......................         90,000       2,542,500
  Pantry Pride, Inc. (Ex. Pfd.; Class "B"
    Stock)........................................         25,000       2,525,000
  Paxson Communications, Inc......................         20,000       2,010,000
  Petroleum Heat & Power, Inc.....................         80,000       1,600,000
  Viasystems, Inc.................................         40,800         835,003
  Von Hoffman Press, Inc..........................         20,000         625,000
                                                                   --------------
TOTAL PREFERRED STOCKS
  (cost $33,395,215).............................................      33,824,584
                                                                   --------------
 
WARRANTS (A) -- 0.5%                                    UNITS
                                                    -------------
  American Banknote Corp., expiring 12/01/02......          4,000               0
  American Telecasting, Inc., expiring 08/10/00...          6,500              65
  Cellnet Data Systems, Inc., expiring 01/01/49
    (b) (cost $0; purchased 9/24/97 and
    9/29/97)......................................          7,010         140,200
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B26
<PAGE>
                     HIGH YIELD BOND PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
WARRANTS (A) (CONTINUED)                                UNITS         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Cellular Communications Int'l., Inc., expiring
    08/15/03......................................          4,375  $       87,500
  Clearnet Communications, Inc., expiring
    09/15/05......................................         26,202         235,818
  Cocentric Network Corp., expiring 01/01/49......          2,500               0
  County Seat Stores, Inc., expiring 01/01/49 (b)
    (cost $0; purchased 10/23/97).................          2,750               0
  Discovery Zone, Inc., expiring 01/01/49.........          2,000               0
  Electronic Retailing Systems, expiring
    01/01/49......................................          2,000          40,000
  Fitzgerald Gaming, Inc., expiring 12/19/98......         62,701               0
  Foamex - JPS Automotive, expiring 07/01/99......          2,000          40,000
  Glasstech, Inc., expiring 06/30/04..............          1,500           1,500
  Globalstar Capital Co., expiring 02/15/04.......          1,200         122,400
  Highwaymaster Communications, Inc., expiring
    01/01/49......................................          2,000          24,000
  Hyperion Telecommunications Corp., expiring
    04/15/01......................................          4,250         255,000
  ICF Kaiser International, Inc., expiring
    12/31/98......................................            500               0
  ICG Communications, Inc., expiring 09/15/05.....         20,790         301,455
  Interact Systems, Inc., expiring 08/01/03.......          4,400             550
  Intermedia Communications of Florida, Inc.,
    expiring 06/01/00 (b) (cost $0; purchased
    5/25/95)......................................          3,000         330,000
  McCaw Int'l. Ltd., expiring 01/01/49............          2,000           5,000
  MGC Communications, Inc., expiring 01/01/49.....          2,950               0
  Nextel Communications
    expiring 12/15/98 (b) (cost $0; purchased
     12/16/93)....................................          1,543             417
    expiring 04/05/99 (b) (cost $0; purchased
     4/15/94).....................................          2,250           6,750
  Pagemart, Inc., expiring 11/01/03...............          9,200          69,000
  Powertel, Inc., expiring 02/01/06...............          6,720          63,840
  President Riverboat Casinos, expiring
    09/30/99......................................         22,075             883
  Price Communications Cellular Holdings, expiring
    08/01/07......................................          6,880              69
  Primus Telecom Group, expiring 08/01/07.........          1,500          15,000
  Star Choice Communications, Inc., expiring
    12/15/05 (b) (cost $0; purchased 12/18/97)....         40,530             405
  Sterling Chemical Holdings, Inc., expiring
    08/15/08......................................            560          16,800
  Unifi Communications, expiring 03/01/04.........          3,750          75,000
  Unisite, Inc., expiring 12/15/04................          1,943               0
  USN Communications, Inc., expiring 01/01/49.....         10,590               0
  Vialog Corp., expiring 01/01/49.................          2,000               0
                                                                   --------------
TOTAL WARRANTS
  (cost $237,500)................................................       1,831,652
                                                                   --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $536,082,633)............................................     547,010,784
                                                                   --------------
</TABLE>
 
<TABLE>
<CAPTION>
                                                    INTEREST MATURITY  PRINCIPAL
SHORT-TERM INVESTMENT -- 2.8%                        RATE      DATE      (000)
                                                    ------   --------  ---------
<S>                                                 <C>      <C>       <C>        <C>
REPURCHASE AGREEMENT
  Joint Repurchase Agreement Account..............   6.53%   01/02/98  $  15,691      15,691,000
                                                                                  --------------
    (cost $15,691,000; Note 5)
TOTAL INVESTMENTS -- 98.9%
  (cost $551,773,633; Note 6)...................................................     562,701,784
OTHER ASSETS IN EXCESS OF LIABILITIES -- 1.1%...................................       5,973,294
                                                                                  --------------
TOTAL NET ASSETS -- 100.0%......................................................  $  568,675,078
                                                                                  --------------
                                                                                  --------------
</TABLE>
 
    The following abbreviations are used in portfolio descriptions:
    LLC     Limited Liability Company
        LP  Limited Partnership
        NR  Not Rated by Moody's or Standard & Poors
    PIK     Payment in Kind Securities
 
(a)  Non-income producing security
(b)  Indicates a restricted security; the aggregate cost of the restricted
     securities is $16,995,840. The aggregate value, $13,424,966 is
     approximately 2.4% of net assets.
(c)  Indicates a fair valued security.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B27
<PAGE>
                             STOCK INDEX PORTFOLIO
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
LONG-TERM INVESTMENTS -- 96.0%
                                                                       VALUE
COMMON STOCKS                                          SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
AEROSPACE -- 1.8%
  Aeroquip-Vickers, Inc...........................          8,300  $      407,219
  AlliedSignal, Inc...............................        175,600       6,837,425
  Boeing Co.......................................        311,336      15,236,005
  General Dynamics Corp...........................         19,400       1,676,887
  Lockheed Martin Corp............................         60,149       5,924,676
  Northrop Grumman Corp...........................         20,600       2,369,000
  Parker-Hannifin Corp............................         35,225       1,615,947
  Raytheon Co. (Class "A" Stock)..................         14,418         711,007
  Raytheon Co. (Class "B" Stock)..................         72,900       3,681,450
  United Technologies Corp........................         73,000       5,315,312
                                                                   --------------
                                                                       43,774,928
                                                                   --------------
AIRLINES -- 0.4%
  AMR Corp. (a)...................................         28,500       3,662,250
  Delta Air Lines, Inc............................         23,000       2,737,000
  Southwest Airlines Co...........................         68,100       1,676,962
  USAir Group, Inc. (a)...........................         29,000       1,812,500
                                                                   --------------
                                                                        9,888,712
                                                                   --------------
AUTOS - CARS & TRUCKS -- 2.0%
  Chrysler Corp...................................        208,500       7,336,594
  Cummins Engine Co., Inc.........................         12,200         720,562
  Dana Corp.......................................         33,400       1,586,500
  Echlin, Inc.....................................         18,700         676,706
  Ford Motor Co...................................        372,700      18,145,831
  General Motors Corp.............................        226,100      13,707,312
  Genuine Parts Co................................         54,425       1,847,048
  Johnson Controls, Inc...........................         26,400       1,260,600
  Navistar International Corp. (a)................         23,400         580,612
  PACCAR, Inc.....................................         23,960       1,257,900
  Safety Kleen Corp...............................         17,350         476,041
  TRW, Inc........................................         38,600       2,060,275
                                                                   --------------
                                                                       49,655,981
                                                                   --------------
BANKS AND SAVINGS & LOANS -- 8.1%
  Banc One Corp...................................        180,694       9,813,943
  Bank of New York Co., Inc.......................        117,300       6,781,406
  BankAmerica Corp................................        216,096      15,775,008
  BankBoston Corp.................................         44,800       4,208,400
  Bankers Trust NY Corp...........................         30,900       3,474,319
  Barnett Banks, Inc..............................         61,600       4,427,500
  BB&T Corp.......................................         41,900       2,684,219
  Chase Manhattan Corp............................        131,247      14,371,546
  Citicorp........................................        142,100      17,966,769
  Comerica, Inc...................................         32,900       2,969,225
  CoreStates Financial Corp.......................         65,000       5,204,062
  First Chicago NBD Corp..........................         92,015       7,683,252
  First Union Corp................................        194,550       9,970,687
  Fleet Financial Group, Inc......................         77,600       5,815,150
  Golden West Financial Corp......................         17,600       1,721,500
  H.F. Ahmanson & Co..............................         30,700       2,054,981
  Huntington Bancshares, Inc......................         58,600       2,109,600
  KeyCorp.........................................         67,400       4,772,762
  Mellon Bank Corp................................         78,200       4,740,875
  Morgan (J.P.) & Co., Inc........................         55,450       6,258,919
  National City Corp..............................         66,600       4,378,950
  NationsBank Corp................................        220,526      13,410,737
  Norwest Corp....................................        233,600       9,022,800
  PNC Bank Corp...................................         95,500       5,449,469
  Providian Financial Corp........................         29,300       1,323,994
  Republic New York Corp..........................         17,100       1,952,606
  Suntrust Banks, Inc.............................         65,800       4,696,475
  Synovus Financial Corp..........................         53,700       1,758,675
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  U.S. Bancorp....................................         75,642  $    8,467,176
  Wachovia Corp...................................         63,400       5,143,325
  Wells Fargo & Co................................         27,166       9,221,159
                                                                   --------------
                                                                      197,629,489
                                                                   --------------
BUSINESS SERVICES -- 0.1%
  Equifax, Inc....................................         45,900       1,626,581
  Omnicom Group, Inc..............................         30,000       1,271,250
                                                                   --------------
                                                                        2,897,831
                                                                   --------------
CHEMICALS -- 2.0%
  Air Products & Chemicals, Inc...................         33,700       2,771,825
  Dow Chemical Co.................................         70,300       7,135,450
  E.I. du Pont de Nemours & Co....................        352,100      21,148,006
  Eastman Chemical Co.............................         23,600       1,405,675
  FMC Corp. (a)...................................         11,200         753,900
  Hercules, Inc...................................         30,400       1,521,900
  Monsanto Co.....................................        183,700       7,715,400
  Nalco Chemical Co...............................         20,900         826,856
  Rohm & Haas Co..................................         18,700       1,790,525
  Sigma-Aldrich Corp..............................         31,400       1,248,150
  Union Carbide Corp..............................         38,200       1,640,212
                                                                   --------------
                                                                       47,957,899
                                                                   --------------
CHEMICALS - SPECIALTY -- 0.3%
  Engelhard Corp..................................         46,975         816,191
  Great Lakes Chemical Corp.......................         17,700         794,287
  Morton International, Inc.......................         42,400       1,457,500
  Praxair, Inc....................................         48,500       2,182,500
  Raychem Corp....................................         26,800       1,154,075
  W.R. Grace & Co.................................         24,300       1,954,631
                                                                   --------------
                                                                        8,359,184
                                                                   --------------
COMMERCIAL SERVICES -- 0.4%
  Cendant Corp. (a)...............................        245,719       8,446,582
  Deluxe Corp.....................................         24,800         855,600
  John H. Harland Co..............................          7,400         155,400
  Moore Corp., Ltd................................         25,900         391,737
                                                                   --------------
                                                                        9,849,319
                                                                   --------------
COMPUTER SERVICES -- 4.5%
  3Com Corp. (a)..................................        110,000       3,843,125
  Adobe Systems, Inc..............................         21,700         895,125
  Autodesk, Inc...................................         14,300         529,100
  Automatic Data Processing, Inc..................         91,100       5,591,262
  Bay Networks, Inc. (a)..........................         63,900       1,633,444
  Cabletron Systems, Inc. (a).....................         47,900         718,500
  Ceridian Corp. (a)..............................         24,800       1,136,150
  Cisco Systems, Inc. (a).........................        313,100      17,455,325
  Computer Associates International, Inc..........        169,643       8,969,874
  Computer Sciences Corp. (a).....................         24,200       2,020,700
  EMC Corp. (a)...................................        154,000       4,225,375
  First Data Corp.................................        138,300       4,045,275
  Microsoft Corp..................................        375,200      48,494,600
  Novell, Inc. (a)................................        104,900         786,750
  Oracle Corp. (a)................................        303,587       6,773,785
  Parametric Technology Corp. (a).................         39,700       1,880,787
  Siebel Systems, Inc. (a)........................             72           3,010
  Silicon Graphics, Inc. (a)......................         53,600         666,650
                                                                   --------------
                                                                      109,668,837
                                                                   --------------
COMPUTERS -- 3.4%
  Apple Computer, Inc. (a)........................         37,700         494,812
  Compaq Computer Corp............................        235,285      13,278,897
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B28
<PAGE>
                       STOCK INDEX PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Dell Computer Corp. (a).........................        102,700  $    8,626,800
  Digital Equipment Corp. (a).....................         47,900       1,772,300
  Hewlett-Packard Co..............................        323,800      20,237,500
  International Business Machines Corp............        304,400      31,828,825
  Seagate Technology, Inc. (a)....................         76,000       1,463,000
  Sun Microsystems, Inc. (a)......................        115,000       4,585,625
                                                                   --------------
                                                                       82,287,759
                                                                   --------------
CONSTRUCTION -- 0.1%
  Fluor Corp......................................         26,600         994,175
  Foster Wheeler Corp.............................         12,000         324,750
  Kaufman & Broad Home Corp.......................         11,866         266,243
  Pulte Corp......................................          6,400         267,600
                                                                   --------------
                                                                        1,852,768
                                                                   --------------
CONSTRUCTION & HOUSING -- 0.0%
  Centex Corp.....................................          8,800         553,850
                                                                   --------------
CONTAINERS -- 0.2%
  Ball Corp.......................................          9,100         321,344
  Bemis Co., Inc..................................         17,200         757,875
  Crown Cork & Seal Co., Inc......................         39,600       1,984,950
  Owens-Illinois, Inc. (a)........................         44,100       1,673,044
  Stone Container Corp. (a).......................         31,266         326,339
                                                                   --------------
                                                                        5,063,552
                                                                   --------------
COSMETICS & SOAPS -- 1.8%
  Alberto Culver Co. (Class "B" Stock)............         17,400         557,887
  Avon Products, Inc..............................         41,300       2,534,787
  Colgate Palmolive Co............................         92,000       6,762,000
  International Flavors & Fragrances, Inc.........         33,200       1,709,800
  Procter & Gamble Co.............................        418,404      33,393,869
                                                                   --------------
                                                                       44,958,343
                                                                   --------------
DIVERSIFIED OFFICE EQUIPMENT -- 0.6%
  Avery Dennison Corp.............................         31,700       1,418,575
  Pitney Bowes, Inc...............................         44,700       4,020,206
  Unisys Corp. (a)................................         53,500         742,312
  Xerox Corp......................................        100,646       7,428,933
                                                                   --------------
                                                                       13,610,026
                                                                   --------------
DIVERSIFIED OPERATIONS -- 3.3%
  Cognizant Corp..................................         51,160       2,279,817
  Fortune Brands, Inc.............................         53,600       1,986,550
  General Electric Co.............................      1,018,000      74,695,750
  Whitman Corp....................................         29,500         768,844
                                                                   --------------
                                                                       79,730,961
                                                                   --------------
DRUGS AND MEDICAL SUPPLIES -- 10.0%
  Abbott Laboratories.............................        238,600      15,643,212
  Allergan, Inc...................................         19,900         667,894
  ALZA Corp. (a)..................................         26,400         839,850
  American Home Products Corp.....................        202,200      15,468,300
  Amgen, Inc. (a).................................         82,000       4,438,250
  Bausch & Lomb, Inc..............................         17,400         689,475
  Baxter International, Inc.......................         86,800       4,377,975
  Becton, Dickinson & Co..........................         38,500       1,925,000
  Biomet, Inc.....................................         33,600         861,000
  Boston Scientific Corp. (a).....................         60,600       2,780,025
  Bristol-Myers Squibb Co.........................        309,280      29,265,620
  C.R. Bard, Inc..................................         18,600         582,412
  Cardinal Health, Inc............................         33,700       2,531,712
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Eli Lilly & Co..................................        344,600  $   23,992,775
  Guidant Corp....................................         45,900       2,857,275
  Johnson & Johnson...............................        418,000      27,535,750
  Mallinckrodt, Inc...............................         22,300         847,400
  Medtronic, Inc..................................        145,900       7,632,394
  Merck & Co., Inc................................        374,550      39,795,937
  Pfizer, Inc.....................................        402,000      29,974,125
  Pharmacia & Upjohn, Inc.........................        158,025       5,787,666
  PharMerica, Inc. (a)............................         15,063         156,279
  Schering-Plough Corp............................        227,700      14,145,862
  St. Jude Medical, Inc. (a)......................         27,800         847,900
  United States Surgical Corp.....................         22,600         662,462
  Warner-Lambert Co...............................         84,400      10,465,600
                                                                   --------------
                                                                      244,772,150
                                                                   --------------
ELECTRICAL EQUIPMENT -- 0.1%
  W.W. Grainger, Inc..............................         15,800       1,535,562
                                                                   --------------
ELECTRONICS -- 3.3%
  Advanced Micro Devices, Inc. (a)................         43,200         774,900
  AMP, Inc........................................         69,044       2,899,848
  Applied Materials, Inc. (a).....................        113,400       3,416,175
  Data General Corp. (a)..........................         15,500         270,281
  EG&G, Inc.......................................         12,900         268,481
  Emerson Electric Co.............................        138,100       7,794,019
  Harris Corp.....................................         24,800       1,137,700
  Honeywell, Inc..................................         39,000       2,671,500
  Intel Corp......................................        508,800      35,743,200
  KLA-Tencor Corp. (a)............................         26,900       1,039,012
  LSI Logic Corp. (a).............................         43,300         855,175
  Micron Technology, Inc. (a).....................         65,900       1,713,400
  Motorola, Inc...................................        186,000      10,613,625
  National Semiconductor Corp. (a)................         50,300       1,304,656
  Perkin-Elmer Corp...............................         14,000         994,875
  Rockwell International Corp.....................         64,500       3,370,125
  Tektronix, Inc..................................         15,600         619,125
  Texas Instruments, Inc..........................        121,200       5,454,000
  Thomas & Betts Corp.............................         17,600         831,600
                                                                   --------------
                                                                       81,771,697
                                                                   --------------
FINANCIAL SERVICES -- 3.8%
  American Express Co.............................        144,900      12,932,325
  Beneficial Corp.................................         16,100       1,338,312
  Countrywide Credit Industries, Inc..............         33,100       1,419,162
  Federal Home Loan Mortgage Corp.................        215,700       9,045,919
  Federal National Mortgage Association...........        330,200      18,842,037
  Fifth Third Bancorp.............................         47,600       3,891,300
  Green Tree Financial Corp.......................         42,100       1,102,494
  H & R Block, Inc................................         32,300       1,447,444
  Household International, Inc....................         33,200       4,235,075
  MBNA Corp.......................................        155,212       4,239,228
  Merrill Lynch & Co., Inc........................        103,700       7,563,619
  Morgan Stanley, Dean Witter, Discover & Co......        184,005      10,879,296
  Schwab (Charles) Corp...........................         81,400       3,413,712
  State Street Corp...............................         49,300       2,868,644
  Sunamerica, Inc.................................         60,700       2,594,925
  Transamerica Corp...............................         19,800       2,108,700
  Washington Mutual Inc...........................         79,920       5,099,895
                                                                   --------------
                                                                       93,022,087
                                                                   --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B29
<PAGE>
                       STOCK INDEX PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
FOOD & BEVERAGES -- 5.8%
  Adolph Coors Co. (Class "B" Stock)..............         11,600  $      385,700
  Anheuser-Busch Companies, Inc...................        153,400       6,749,600
  Archer-Daniels-Midland Co.......................        173,537       3,763,584
  Brown-Forman Corp. (Class "B" Stock)............         21,300       1,176,825
  Campbell Soup Co................................        142,000       8,253,750
  Coca-Cola Co....................................        769,100      51,241,287
  ConAgra, Inc....................................        145,800       4,784,062
  Corn Products International, Inc................         11,075         330,173
  CPC International, Inc..........................         44,300       4,773,325
  General Mills, Inc..............................         49,200       3,523,950
  Giant Food, Inc. (Class "A" Stock)..............         18,000         606,375
  H.J. Heinz & Co.................................        113,450       5,764,678
  Hershey Foods Corp..............................         43,700       2,706,669
  Kellogg Co......................................        127,600       6,332,150
  PepsiCo, Inc....................................        474,400      17,285,950
  Pioneer Hi-Bred International, Inc..............         23,700       2,541,825
  Quaker Oats Co..................................         42,200       2,226,050
  Ralston-Ralston Purina Group....................         33,040       3,070,655
  Sara Lee Corp...................................        148,200       8,345,512
  Seagram Co., Ltd................................        115,300       3,725,631
  Sysco Corp......................................         53,600       2,442,150
  W. M. Wrigley, Jr. Co...........................         35,900       2,856,294
                                                                   --------------
                                                                      142,886,195
                                                                   --------------
FOREST PRODUCTS -- 0.8%
  Boise Cascade Corp..............................         17,286         522,901
  Champion International Corp.....................         29,300       1,327,656
  Fort James Corp.................................         65,200       2,493,900
  Georgia-Pacific Corp............................         28,500       1,731,375
  Georgia-Pacific Corp. (Timber Group) (a)........         28,500         646,594
  International Paper Co..........................         93,734       4,042,279
  Louisiana-Pacific Corp..........................         34,200         649,800
  Mead Corp.......................................         31,800         890,400
  Potlatch Corp...................................          9,000         387,000
  Temple-Inland Inc...............................         17,600         920,700
  Union Camp Corp.................................         21,700       1,165,019
  Westvaco Corp...................................         32,700       1,028,006
  Weyerhaeuser Co.................................         61,800       3,032,062
  Willamette Industries, Inc......................         33,800       1,087,937
                                                                   --------------
                                                                       19,925,629
                                                                   --------------
GAS PIPELINES -- 0.5%
  Columbia Gas System, Inc........................         17,300       1,359,131
  Consolidated Natural Gas Co.....................         29,100       1,760,550
  Enron Corp......................................         98,700       4,102,219
  Peoples Energy Corp.............................         10,200         401,625
  Sonat, Inc......................................         26,600       1,216,950
  Williams Companies, Inc.........................         99,600       2,826,150
                                                                   --------------
                                                                       11,666,625
                                                                   --------------
HOSPITALS/ HOSPITAL MANAGEMENT -- 0.7%
  Columbia/HCA Healthcare Corp....................        202,798       6,007,891
  Healthsouth Corp. (a)...........................        122,400       3,396,600
  Humana, Inc. (a)................................         51,700       1,072,775
  Manor Care, Inc.................................         19,050         666,750
  Service Corp. International.....................         77,900       2,877,431
  Shared Medical Systems Corp.....................          7,400         488,400
  Tenet Healthcare Corp. (a)......................         94,800       3,140,250
                                                                   --------------
                                                                       17,650,097
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
HOUSEHOLD PRODUCTS & PERSONAL CARE -- 1.2%
  Clorox Co.......................................         32,100  $    2,537,906
  Gillette Co.....................................        173,800      17,456,037
  Kimberly-Clark Corp.............................        173,188       8,540,333
                                                                   --------------
                                                                       28,534,276
                                                                   --------------
HOUSING RELATED -- 0.5%
  Armstrong World Industries, Inc.................         13,100         979,225
  Fleetwood Enterprises, Inc......................         10,900         462,569
  Lowe's Companies, Inc...........................         54,400       2,594,200
  Masco Corp......................................         51,300       2,609,887
  Maytag Corp.....................................         30,700       1,145,494
  Owens Corning...................................         16,900         576,712
  Stanley Works...................................         27,800       1,311,812
  Tupperware Corp.................................         18,900         526,837
  Whirlpool Corp..................................         23,100       1,270,500
                                                                   --------------
                                                                       11,477,236
                                                                   --------------
INSURANCE -- 4.8%
  Aetna, Inc......................................         46,512       3,282,003
  Allstate Corp...................................        134,794      12,249,405
  American General Corp...........................         76,986       4,162,056
  American International Group, Inc...............        217,855      23,691,731
  Aon Corp........................................         51,350       3,010,394
  Chubb Corp......................................         53,400       4,038,375
  CIGNA Corp......................................         23,000       3,980,437
  Cincinnati Financial Corp.......................         17,000       2,392,750
  Conseco, Inc....................................         57,500       2,612,656
  General Re Corp.................................         24,550       5,204,600
  Hartford Financial Services Group, Inc..........         36,600       3,424,387
  Jefferson-Pilot Corp............................         21,975       1,711,303
  Lincoln National Corp...........................         31,600       2,468,750
  Loews Corp......................................         35,700       3,788,662
  Marsh & McLennan Companies, Inc.................         52,400       3,907,075
  MBIA, Inc.......................................         27,400       1,830,662
  MGIC Investment Corp............................         35,500       2,360,750
  Progressive Corp................................         22,300       2,673,212
  SAFECO Corp.....................................         43,500       2,120,625
  St. Paul Companies, Inc.........................         26,300       2,158,244
  Torchmark Corp..................................         42,700       1,796,069
  Travelers Group, Inc............................        356,409      19,201,535
  United Healthcare Corp..........................         57,700       2,866,969
  UNUM Corp.......................................         43,200       2,349,000
  USF&G Corp......................................         33,200         732,475
                                                                   --------------
                                                                      118,014,125
                                                                   --------------
LEISURE -- 1.1%
  Brunswick Corp..................................         30,800         933,625
  Harrah's Entertainment, Inc. (a)................         31,150         587,956
  Hilton Hotels Corp..............................         77,100       2,293,725
  King World Productions, Inc.....................         11,050         638,137
  Mirage Resorts, Inc. (a)........................         56,200       1,278,550
  Walt Disney Co..................................        210,067      20,809,762
                                                                   --------------
                                                                       26,541,755
                                                                   --------------
LODGING -- 0.2%
  ITT Corp. (a)...................................         36,400       3,016,650
  Marriott International, Inc.....................         39,700       2,749,225
                                                                   --------------
                                                                        5,765,875
                                                                   --------------
MACHINERY -- 0.9%
  Briggs & Stratton Corp..........................          7,600         369,075
  Case Corp.......................................         23,800       1,438,412
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B30
<PAGE>
                       STOCK INDEX PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Caterpillar, Inc................................        116,600  $    5,662,387
  Cincinnati Milacron, Inc........................         12,300         319,031
  Cooper Industries, Inc..........................         37,800       1,852,200
  Deere & Co......................................         78,400       4,571,700
  Dover Corp......................................         68,800       2,485,400
  Eaton Corp......................................         23,700       2,115,225
  Harnischfeger Industries, Inc...................         15,000         529,688
  Ingersoll-Rand Co...............................         51,850       2,099,925
  Snap-On, Inc....................................         18,700         815,788
  Timken Co.......................................         19,200         660,000
                                                                   --------------
                                                                       22,918,831
                                                                   --------------
MANUFACTURING -- 0.5%
  Illinois Tool Works, Inc........................         77,600       4,665,700
  Tyco International, Ltd.........................        165,600       7,462,350
                                                                   --------------
                                                                       12,128,050
                                                                   --------------
MEDIA -- 2.6%
  CBS Corp........................................        218,300       6,426,206
  Clear Channel Communications, Inc. (a)..........         30,100       2,391,069
  Comcast Corp. (Special Class "A" Stock).........        107,100       3,380,344
  Dow Jones & Co., Inc............................         29,700       1,594,519
  Dun & Bradstreet Corp...........................         53,460       1,653,919
  Gannett Co., Inc................................         87,500       5,408,594
  HBO & Co........................................         61,600       2,956,800
  Interpublic Group of Companies, Inc.............         38,400       1,912,800
  Knight-Ridder, Inc..............................         27,100       1,409,200
  McGraw-Hill, Inc................................         30,700       2,271,800
  Meredith Corp...................................         16,600         592,413
  New York Times Co. (Class "A" Stock)............         29,600       1,957,300
  R. R. Donnelley & Sons Co.......................         44,500       1,657,625
  Tele-Communications, Inc. (Series "A"
    Stock) (a)....................................        162,900       4,551,019
  Time Warner, Inc................................        173,940      10,784,280
  Times Mirror Co. (Class "A" Stock)..............         29,100       1,789,650
  Tribune Co......................................         38,400       2,390,400
  US West Media Group (a).........................        188,600       5,445,825
  Viacom, Inc. (Class "B" Stock) (a)..............        109,567       4,540,183
                                                                   --------------
                                                                       63,113,946
                                                                   --------------
METALS - FERROUS -- 0.2%
  Allegheny Teledyne, Inc.........................         55,580       1,438,133
  Armco, Inc. (a).................................         26,700         131,831
  Bethlehem Steel Corp. (a).......................         33,500         288,938
  Inland Steel Industries, Inc....................         15,300         262,013
  Nucor Corp......................................         27,600       1,333,425
  USX-U.S. Steel Group............................         27,340         854,375
  Worthington Industries, Inc.....................         29,400         485,100
                                                                   --------------
                                                                        4,793,815
                                                                   --------------
METALS - NON FERROUS -- 0.3%
  Alcan Aluminum, Ltd.............................         70,250       1,940,656
  Aluminum Company of America.....................         53,900       3,793,213
  Cyprus Minerals Co..............................         28,100         432,038
  Inco Ltd........................................         51,100         868,700
  Reynolds Metals Co..............................         23,400       1,404,000
                                                                   --------------
                                                                        8,438,607
                                                                   --------------
MINERAL RESOURCES -- 0.2%
  ASARCO, Inc.....................................         12,500         280,469
  Burlington Resources, Inc.......................         54,617       2,447,524
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Echo Bay Mines, Ltd.............................         39,900  $       97,256
  Homestake Mining Co.............................         45,300         402,038
  Phelps Dodge Corp...............................         18,900       1,176,525
                                                                   --------------
                                                                        4,403,812
                                                                   --------------
MISCELLANEOUS - BASIC INDUSTRY -- 0.7%
  Browning-Ferris Industries, Inc.................         65,000       2,405,000
  Crane Co........................................         14,150         613,756
  Ecolab, Inc.....................................         19,700       1,092,119
  General Signal Corp.............................         15,362         648,084
  ITT Industries, Inc.............................         36,400       1,142,050
  Laidlaw, Inc....................................        101,500       1,382,938
  Millipore Corp..................................         13,200         447,975
  NACCO Industries, Inc. (Class "A" Stock)........          2,500         267,969
  Pall Corp.......................................         39,200         810,950
  PPG Industries Inc..............................         55,500       3,170,438
  Textron, Inc....................................         51,300       3,206,250
  Thermo Electron Corp. (a).......................         46,700       2,078,150
                                                                   --------------
                                                                       17,265,679
                                                                   --------------
MISCELLANEOUS - CONSUMER GROWTH/STABLE -- 1.5%
  American Greetings Corp. (Class "A" Stock)......         24,300         950,738
  Black & Decker Corp.............................         29,900       1,167,969
  Corning, Inc....................................         71,800       2,665,575
  Eastman Kodak Co................................        101,100       6,148,144
  Jostens, Inc....................................         12,200         281,363
  Minnesota Mining & Manufacturing Co.............        128,600      10,553,238
  Polaroid Corp...................................         15,100         735,181
  Rubbermaid, Inc.................................         46,000       1,150,000
  Unilever N.V....................................        198,800      12,412,575
                                                                   --------------
                                                                       36,064,783
                                                                   --------------
MISCELLANEOUS - INDUSTRIAL -- 0.1%
  Tenneco, Inc....................................         53,600       2,117,200
                                                                   --------------
OIL & GAS -- 7.0%
  Amerada Hess Corp...............................         28,100       1,541,988
  Amoco Corp......................................        152,230      12,958,579
  Anadarko Petroleum Corp.........................         18,400       1,116,650
  Ashland, Inc....................................         23,500       1,261,656
  Atlantic Richfield Co...........................         99,470       7,970,034
  Chevron Corp....................................        204,000      15,708,000
  Coastal Corp....................................         32,600       2,019,163
  Eastern Enterprises.............................          6,400         288,000
  Exxon Corp......................................        767,200      46,943,050
  Kerr-McGee Corp.................................         14,800         937,025
  Mobil Corp......................................        243,500      17,577,656
  NICOR, Inc......................................         14,400         607,500
  Occidental Petroleum Corp.......................        105,400       3,089,538
  Pennzoil Co.....................................         15,000       1,002,188
  Phillips Petroleum Co...........................         82,500       4,011,563
  Royal Dutch Petroleum Co........................        666,500      36,115,969
  Sun Co., Inc....................................         22,500         946,406
  Texaco, Inc.....................................        174,382       9,482,021
  Union Pacific Resources Group, Inc..............         79,256       1,921,958
  Unocal Corp.....................................         77,000       2,988,563
  USX-Marathon Group..............................         89,600       3,024,000
                                                                   --------------
                                                                      171,511,507
                                                                   --------------
OIL & GAS SERVICES -- 1.1%
  Apache Corporation..............................         28,600       1,002,788
  Baker Hughes, Inc...............................         51,900       2,264,138
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B31
<PAGE>
                       STOCK INDEX PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Dresser Industries, Inc.........................         55,000  $    2,306,563
  Halliburton Co..................................         81,300       4,222,519
  Helmerich & Payne, Inc..........................          7,900         536,213
  McDermott International, Inc....................         16,900         618,963
  ONEOK, Inc......................................          9,800         395,675
  Oryx Energy Co. (a).............................         32,700         833,850
  Rowan Companies, Inc. (a).......................         26,200         799,100
  Schlumberger, Ltd...............................        154,100      12,405,050
  Western Atlas, Inc. (a).........................         17,100       1,265,400
                                                                   --------------
                                                                       26,650,259
                                                                   --------------
PRECIOUS METALS -- 0.2%
  Barrick Gold Corp...............................        115,100       2,143,738
  Battle Mountain Gold Corp.......................         71,500         420,063
  Freeport-McMoRan Copper & Gold, Inc. (Class "B"
    Stock)........................................         63,000         992,250
  Newmont Mining Corp.............................         48,103       1,413,026
  Placer Dome, Inc................................         75,600         959,175
                                                                   --------------
                                                                        5,928,252
                                                                   --------------
RAILROADS -- 0.7%
  Burlington Northern, Inc........................         48,442       4,502,078
  CSX Corp........................................         68,112       3,678,048
  Norfolk Southern Corp...........................        116,800       3,598,900
  Union Pacific Corp..............................         76,900       4,801,444
                                                                   --------------
                                                                       16,580,470
                                                                   --------------
REMARKET/LEASING OFFICE EQUIPMENT -- 0.0%
  IKON Office Solutions, Inc......................         41,376       1,163,700
                                                                   --------------
RESTAURANTS -- 0.5%
  Darden Restaurants, Inc.........................         45,900         573,750
  McDonald's Corp.................................        213,900      10,213,725
  Tricon Global Restaurants, Inc. (a).............         47,750       1,387,734
  Wendy's International, Inc......................         40,600         976,938
                                                                   --------------
                                                                       13,152,147
                                                                   --------------
RETAIL -- 4.9%
  Albertson's, Inc................................         75,900       3,595,763
  American Stores Co..............................         84,000       1,727,250
  AutoZone, Inc. (a)..............................         48,000       1,392,000
  Charming Shoppes, Inc. (a)......................         23,300         109,219
  Circuit City Stores, Inc........................         30,100       1,070,431
  Costco Companies, Inc. (a)......................         66,366       2,961,583
  CVS Corp........................................         54,000       3,459,375
  Dayton-Hudson Corp..............................         68,242       4,606,335
  Dillards, Inc. (Class "A" Stock)................         35,450       1,249,613
  Federated Department Stores, Inc. (a)...........         64,900       2,794,756
  Great Atlantic & Pacific Tea Co., Inc...........         11,200         332,500
  Harcourt General, Inc...........................         21,906       1,199,354
  Home Depot, Inc.................................        228,123      13,430,742
  J.C. Penney Co., Inc............................         77,800       4,692,313
  Kmart Corp. (a).................................        150,300       1,737,844
  Kroger Co. (a)..................................         78,700       2,906,981
  Limited, Inc....................................         84,248       2,148,324
  Liz Claiborne, Inc..............................         21,600         903,150
  Longs Drug Stores, Inc..........................         11,700         375,863
  May Department Stores Co........................         72,000       3,793,500
  Mercantile Stores Co., Inc......................         11,200         681,800
  Newell Co.......................................         49,600       2,108,000
  Nike, Inc. (Class "B" Stock)....................         89,900       3,528,575
  Nordstrom, Inc..................................         24,100       1,455,038
  Pep Boys-Manny, Moe & Jack......................         19,300         460,788
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Reebok International, Ltd. (a)..................         17,300  $      498,456
  Rite Aid Corp...................................         39,300       2,306,419
  Sears, Roebuck & Co.............................        121,900       5,515,975
  Sherwin-Williams Co.............................         53,600       1,487,400
  Supervalu, Inc..................................         20,000         837,500
  Tandy Corp......................................         32,330       1,246,726
  The Gap, Inc....................................        124,650       4,417,284
  TJX Companies, Inc..............................         50,000       1,718,750
  Toys 'R' Us, Inc. (a)...........................         89,550       2,815,228
  Wal-Mart Stores, Inc............................        701,900      27,681,181
  Walgreen Co.....................................        153,200       4,806,650
  Winn Dixie Stores, Inc..........................         45,900       2,005,256
  Woolworth Corp. (a).............................         42,400         863,900
                                                                   --------------
                                                                      118,921,822
                                                                   --------------
RUBBER -- 0.2%
  B.F. Goodrich Co................................         22,300         924,056
  Cooper Tire & Rubber Co.........................         24,600         599,625
  Goodyear Tire & Rubber Co.......................         49,300       3,136,713
                                                                   --------------
                                                                        4,660,394
                                                                   --------------
TELECOMMUNICATIONS -- 7.8%
  Airtouch Communications, Inc. (a)...............        157,200       6,533,625
  Alltel Corp.....................................         57,700       2,369,306
  Ameritech Corp..................................        170,400      13,717,200
  Andrew Corp. (a)................................         27,312         655,488
  AT&T Corp.......................................        505,273      30,947,971
  Bell Atlantic Corp..............................        241,895      22,012,445
  BellSouth Corp..................................        308,100      17,349,881
  DSC Communications Corp. (a)....................         36,100         866,400
  Frontier Corp...................................         51,100       1,229,594
  GTE Corp........................................        297,820      15,561,095
  Lucent Technologies, Inc........................        200,060      15,979,793
  MCI Communications Corp.........................        216,600       9,273,188
  NextLevel Systems, Inc. (a).....................         44,500         795,438
  Northern Telecom, Ltd...........................         81,600       7,262,400
  SBC Communications, Inc.........................        284,893      20,868,412
  Scientific-Atlanta, Inc.........................         24,800         415,400
  Sprint Corp.....................................        133,800       7,844,025
  Tellabs, Inc. (a)...............................         56,100       2,966,288
  US West Communications, Inc.....................        150,700       6,800,338
  WorldCom, Inc...................................        280,800       8,494,200
                                                                   --------------
                                                                      191,942,487
                                                                   --------------
TEXTILES -- 0.1%
  Fruit of the Loom, Inc. (Class "A" Stock) (a)...         24,700         632,938
  National Service Industries, Inc................         13,500         669,094
  Russell Corp....................................         11,500         305,469
  Springs Industries, Inc.........................          6,100         317,200
  V.F. Corp.......................................         38,836       1,784,029
                                                                   --------------
                                                                        3,708,730
                                                                   --------------
TOBACCO -- 1.5%
  Phillip Morris Co., Inc.........................        753,800      34,156,563
  UST, Inc........................................         56,800       2,098,050
                                                                   --------------
                                                                       36,254,613
                                                                   --------------
TOYS -- 0.2%
  Hasbro, Inc.....................................         39,500       1,244,250
  Mattel, Inc.....................................         91,281       3,400,217
                                                                   --------------
                                                                        4,644,467
                                                                   --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B32
<PAGE>
                       STOCK INDEX PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
TRUCKING/SHIPPING -- 0.1%
  Caliber System, Inc.............................         11,900  $      579,381
  Federal Express Corp. (a).......................         35,900       2,192,144
  Ryder System, Inc...............................         25,300         828,575
                                                                   --------------
                                                                        3,600,100
                                                                   --------------
UTILITY - ELECTRIC -- 2.7%
  American Electric Power Co., Inc................         58,900       3,040,713
  Baltimore Gas & Electric Co.....................         46,350       1,578,797
  Carolina Power & Light Co.......................         46,200       1,960,613
  Central & South West Corp.......................         66,500       1,799,656
  CINergy Corp....................................         48,239       1,848,157
  Consolidated Edison Co. of NY, Inc..............         72,300       2,964,300
  Dominion Resources, Inc.........................         57,750       2,457,984
  DTE Energy Company..............................         44,800       1,554,000
  Duke Power Co...................................        112,231       6,214,792
  Edison International............................        123,100       3,346,781
  Entergy Corp....................................         75,000       2,245,313
  First Energy Corp. (a)..........................         70,800       2,053,200
  FPL Group, Inc..................................         56,600       3,350,013
  GPU, Inc........................................         37,900       1,596,538
  Houston Industries, Inc.........................         97,510       2,602,298
  Niagara Mohawk Power Corp. (a)..................         43,300         454,650
  Northern States Power Co........................         23,300       1,357,225
  P P & L Resources, Inc..........................         51,100       1,223,206
  Pacific Enterprises.............................         25,900         974,488
  Pacific Gas & Electric, Co......................        136,200       4,145,588
  PacifiCorp......................................         92,600       2,529,138
  PECO Energy Co..................................         68,000       1,649,000
  Public Service Enterprise Group, Inc............         71,100       2,252,981
  Southern Co.....................................        213,200       5,516,550
  Texas Utilities Co..............................         76,306       3,171,468
  Unicom Corp.....................................         66,900       2,057,175
  Union Electric Company..........................         31,000       1,340,750
                                                                   --------------
                                                                       65,285,374
                                                                   --------------
WASTE MANAGEMENT -- 0.2%
  Waste Management, Inc...........................        140,000       3,850,000
                                                                   --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $1,365,454,009)..........................................   2,350,401,793
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                      PRINCIPAL
                                                       AMOUNT          VALUE
SHORT-TERM INVESTMENTS -- 4.2%                          (000)         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
REPURCHASE AGREEMENT -- 4.0%
  Joint Repurchase Agreement Account,
    6.53%, 01/02/98 (Note 5)......................  $      98,176  $   98,176,000
                                                                   --------------
U. S. GOVERNMENT & AGENCY OBLIGATIONS -- 0.2%
  United States Treasury Bills,
    5.065%, 03/19/98 (b)..........................          4,000       3,957,229
    5.21%, 01/22/98 (b)...........................            400         398,842
                                                                   --------------
                                                                        4,356,071
                                                                   --------------
TOTAL SHORT-TERM INVESTMENTS
  (cost $102,532,071)............................................     102,532,071
                                                                   --------------
TOTAL INVESTMENTS -- 100.2%
  (cost $1,467,986,080; Note 6)..................................   2,452,933,864
                                                                   --------------
VARIATION MARGIN ON OPEN
  FUTURES CONTRACTS -- (0.0%)....................................         (19,150)
OTHER LIABILITIES IN EXCESS OF
  OTHER ASSETS -- (0.2%).........................................      (4,723,488)
                                                                   --------------
TOTAL NET ASSETS -- 100.0%.......................................  $2,448,191,226
                                                                   --------------
                                                                   --------------
</TABLE>
 
    The following abbreviations are used in portfolio descriptions:
    ADR     American Depository Receipt
 
(a)  Non-income producing security.
 
(b)  Security segregated as collateral for futures contracts.
 
(c)  Open futures contracts as of December 31, 1997 are as follows:
 
<TABLE>
<CAPTION>
 NUMBER OF                                                       EXPIRATION      VALUE AT         VALUE AT
 CONTRACTS                          TYPE                            DATE        TRADE DATE    DECEMBER 31, 1997   APPRECIATION
 <C>          <S>                                                <C>          <C>             <C>                 <C>
 Long Position:
    383       S&P 500 Index                                        Mar 98      $  93,240,475    $ 93,748,825       $ 508,350
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B33
<PAGE>
                            EQUITY INCOME PORTFOLIO
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
LONG-TERM INVESTMENTS -- 95.3%
                                                                       VALUE
COMMON STOCKS -- 90.9%                                 SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
AEROSPACE -- 0.1%
  Raytheon Co. (Class "A" Stock)..................         28,696  $    1,415,096
  United Industrial Corp..........................         31,700         344,737
                                                                   --------------
                                                                        1,759,833
                                                                   --------------
AIRLINES -- 2.9%
  AMR Corp. (a)...................................        464,200      59,649,700
                                                                   --------------
AUTOS - CARS & TRUCKS -- 5.3%
  Chrysler Corp...................................      1,398,034      49,193,321
  Ford Motor Co...................................        630,000      30,673,125
  General Motors Corp.............................        450,000      27,281,250
                                                                   --------------
                                                                      107,147,696
                                                                   --------------
CHEMICALS -- 4.3%
  Dow Chemical Co.................................        667,600      67,761,400
  Millennium Chemicals, Inc.......................        824,998      19,439,015
                                                                   --------------
                                                                       87,200,415
                                                                   --------------
COMPUTERS -- 1.5%
  Digital Equipment Corp. (a).....................        673,100      24,904,700
  Intergraph Corp. (a)............................        607,700       6,077,000
                                                                   --------------
                                                                       30,981,700
                                                                   --------------
CONSUMER SERVICES
  Petroleum Heat and Power, Inc. (Class "A"
    Stock)........................................         47,300         109,381
                                                                   --------------
DIVERSIFIED CONSUMER PRODUCTS -- 4.4%
  Eastman Kodak Co................................        174,900      10,636,106
  Gibson Greetings Inc. (a).......................        724,000      15,837,500
  RJR Nabisco Holdings Corp.......................      1,698,880      63,708,000
                                                                   --------------
                                                                       90,181,606
                                                                   --------------
ELECTRICAL EQUIPMENT -- 1.3%
  Kuhlman Corp....................................        560,000      21,910,000
  Pacific Scientific Co...........................        185,700       4,456,800
                                                                   --------------
                                                                       26,366,800
                                                                   --------------
ELECTRONICS -- 0.9%
  Esterline Technologies Corp. (a)................        275,700       9,925,200
  Instron Corp....................................        154,800       2,921,850
  Newport Corp....................................        306,900       4,315,781
                                                                   --------------
                                                                       17,162,831
                                                                   --------------
FINANCIAL SERVICES -- 10.8%
  A.G. Edwards, Inc...............................        316,500      12,580,875
  Bear Stearns Companies, Inc.....................        928,251      44,091,922
  Lehman Brothers Holdings, Inc...................      1,760,900      89,805,900
  PaineWebber Group, Inc..........................      1,269,300      43,870,181
  Travelers Group, Inc............................        539,200      29,049,400
                                                                   --------------
                                                                      219,398,278
                                                                   --------------
FOREST PRODUCTS -- 1.8%
  Fletcher Challenge Ltd., ADR, (Canada)..........         62,400         522,600
  Louisiana-Pacific Corp..........................        771,500      14,658,500
  Potlatch Corp...................................        125,300       5,387,900
  Rayonier, Inc...................................        396,700      16,884,544
                                                                   --------------
                                                                       37,453,544
                                                                   --------------
GAS DISTRIBUTION -- 1.6%
  British Gas PLC, ADR, (United Kingdom)..........      1,077,525      24,446,348
  TransCanada Pipelines, Ltd......................        389,600       8,717,300
                                                                   --------------
                                                                       33,163,648
                                                                   --------------
GAS PIPELINES -- 0.5%
  Sonat, Inc......................................        206,300       9,438,225
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
HOUSING RELATED -- 3.2%
  Hanson, PLC, ADR, (United Kingdom)..............      1,574,150  $   36,303,834
  Kaufman & Broad Home Corp.......................        462,700      10,381,831
  Ryland Group, Inc...............................        750,000      17,718,750
                                                                   --------------
                                                                       64,404,415
                                                                   --------------
INSURANCE -- 3.3%
  Marsh & McLennan Companies, Inc.................        537,600      40,084,800
  Ohio Casualty Corp..............................        379,900      16,953,037
  Selective Insurance Group, Inc..................        397,600      10,735,200
                                                                   --------------
                                                                       67,773,037
                                                                   --------------
MEDIA -- 2.4%
  CBS Corp........................................      1,488,945      43,830,818
  Dun & Bradstreet Corp...........................        195,600       6,051,375
                                                                   --------------
                                                                       49,882,193
                                                                   --------------
METALS-FERROUS -- 2.3%
  USX-U.S. Steel Group............................      1,509,400      47,168,750
                                                                   --------------
METALS-NON FERROUS -- 3.2%
  Aluminum Company of America.....................        525,000      36,946,875
  Kaiser Aluminum Corp. (a).......................        266,572       2,349,166
  Reynolds Metals Co..............................        431,586      25,895,160
                                                                   --------------
                                                                       65,191,201
                                                                   --------------
MISCELLANEOUS - INDUSTRIAL -- 2.2%
  Energy Group, PLC, (United Kingdom).............        253,750      11,323,594
  Nova Corp.......................................      2,449,400      23,422,387
  Tenneco, Inc....................................        227,700       8,994,150
                                                                   --------------
                                                                       43,740,131
                                                                   --------------
OIL & GAS -- 6.0%
  Crestar Energy, Inc., ADR, (Canada) (a).........        200,000       3,078,969
  Elf Aquitaine SA, ADR, (France).................        680,000      39,865,000
  Occidental Petroleum Corp.......................      1,000,000      29,312,500
  Pioneer Natural Resources Co....................      1,416,487      40,989,593
  USX-Marathon Group..............................        230,600       7,782,750
                                                                   --------------
                                                                      121,028,812
                                                                   --------------
OIL & GAS SERVICES -- 4.1%
  McDermott International, Inc....................      1,861,300      68,170,113
  Quaker State Corp...............................      1,000,000      14,250,000
                                                                   --------------
                                                                       82,420,113
                                                                   --------------
PRECIOUS METALS -- 0.3%
  Ashanti Goldfields Co., Ltd.....................        500,000       3,750,000
  Coeur D'Alene Mines Corp........................        194,678       1,752,102
  Echo Bay Mines, Ltd.............................        298,499         727,591
                                                                   --------------
                                                                        6,229,693
                                                                   --------------
REAL ESTATE DEVELOPMENT -- 17.6%
  Alexander Haagen Properties, Inc................        420,000       7,323,750
  Amli Residential Properties Trust...............        208,300       4,634,675
  Bradley Real Estate, Inc........................        204,200       4,288,200
  CCA Prison Realty Trust.........................        787,100      35,124,338
  Crescent Operating, Inc. (a)....................        152,150       3,727,675
  Crescent Real Estate Equities, Inc..............      1,591,500      62,665,313
  Crown American Realty Trust.....................      1,127,800      10,502,638
  Equity Inns, Inc................................        200,000       2,950,000
  Equity Office Properties Trust..................        544,378      17,181,954
  Equity Residential Properties Trust.............      1,572,700      79,519,644
  Gables Residential Trust........................        435,800      12,038,975
  Glimcher Realty Trust...........................        515,400      11,628,713
  Irvine Apartment Communities, Inc...............        392,000      12,470,500
  JDN Realty Corp.................................        235,500       7,624,313
  JP Realty, Inc..................................         84,000       2,178,750
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B34
<PAGE>
                      EQUITY INCOME PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Kimco Realty Corp...............................         56,250  $    1,982,813
  Malan Realty Investors, Inc.....................        140,000       2,537,500
  Manufactured Home Communities, Inc..............        632,000      17,064,000
  Pennsylvania Real Estate
    Investment Trust..............................         50,100       1,230,581
  Security Capital Pacific Trust..................        587,034      14,235,575
  Simon Debartolo Group, Inc......................        214,300       7,004,931
  Sunstone Hotel Investors, Inc...................        240,000       4,140,000
  TriNet Corporate Realty Trust, Inc..............        166,700       6,449,206
  Vornado Realty Trust............................        400,000      18,775,000
  Walden Residential Properties, Inc..............        355,000       9,052,500
                                                                   --------------
                                                                      356,331,544
                                                                   --------------
RETAIL -- 5.1%
  Blair Corporation...............................         80,400       1,386,900
  Heilig-Meyers, Co...............................        589,900       7,078,800
  J.C. Penney Co., Inc............................        769,800      46,428,563
  Tandy Corp......................................        280,000      10,797,500
  The Limited, Inc................................      1,504,600      38,367,300
                                                                   --------------
                                                                      104,059,063
                                                                   --------------
TELECOMMUNICATIONS -- 1.3%
  Telefonos de Mexico SA (Class "L" Stock), ADR
    (Mexico)......................................        460,500      25,816,781
                                                                   --------------
TEXTILES -- 0.8%
  Garan, Inc......................................          2,900          74,675
  Kellwood Co.....................................        518,900      15,567,000
  Oxford Industries, Inc..........................         34,500       1,121,250
                                                                   --------------
                                                                       16,762,925
                                                                   --------------
TOBACCO -- 0.6%
  BAT Industries, PLC, ADR, (United Kingdom)......        606,500      11,371,875
                                                                   --------------
TRUCKING/SHIPPING -- 0.6%
  Alexander & Baldwin, Inc........................        287,750       7,859,172
  Yellow Corp.....................................        157,800       3,964,725
                                                                   --------------
                                                                       11,823,897
                                                                   --------------
UTILITY - ELECTRIC -- 0.4%
  Central Louisiana Electric Co...................          6,100         197,488
  First Energy Corp. (a)..........................         24,465         709,485
  Pacific Gas & Electric, Co......................        240,000       7,305,000
                                                                   --------------
                                                                        8,211,973
                                                                   --------------
WASTE MANAGEMENT -- 2.1%
  Waste Management, Inc...........................      1,546,900      42,539,750
                                                                   --------------
TOTAL COMMON STOCKS
  (cost $1,337,420,791)..........................................   1,844,769,810
                                                                   --------------
 
PREFERRED STOCKS -- 3.5%
INTEGRATED PRODUCERS -- 0.1%
  Unocal Corp. (Conv.) Series 6.25%...............         34,372       1,944,166
                                                                   --------------
METALS-FERROUS -- 1.0%
  Bethlehem Steel Corp. (Cum. Conv.)..............        264,000      10,692,000
  Rouge Steel.....................................        262,500       3,346,875
  USX Capital Trust 6/7 (Cum. Conv.)..............        114,600       5,271,600
                                                                   --------------
                                                                       19,310,475
                                                                   --------------
METALS-NON FERROUS -- 0.1%
  Hecla Mining Co. (Cum. Conv.), Series B.........         60,000       2,805,000
                                                                   --------------
OIL SERVICES -- 0.2%
  McDermott International, Inc. (Cum. Conv.),
    Series C......................................         88,000       4,829,000
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
PREFERRED STOCKS (CONTINUED)                           SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
REAL ESTATE DEVELOPMENT -- 0.1%
  Security Capital Pacific Trust (Cum. Conv.),
    Series A......................................         54,500  $    1,784,875
                                                                   --------------
RETAIL -- 2.0%
  Kmart Corp. (Cum. Conv.)........................        763,600      39,420,850
                                                                   --------------
TOTAL PREFERRED STOCKS
  (cost $78,873,899).............................................      70,094,366
                                                                   --------------
 
WARRANTS                                                UNITS
                                                    -------------
CONSTRUCTION
  Morrison Knudsen Corp., 03/11/03................          5,689          16,356
                                                                   --------------
REAL ESTATE DEVELOPMENT
  Security Capital Pacific Trust,
    09/18/98......................................         31,610         165,952
                                                                   --------------
TOTAL WARRANTS
  (cost $248,929)................................................         182,308
                                                                   --------------
                                                      PRINCIPAL
                                                       AMOUNT
CONVERTIBLE BONDS -- 0.9%                               (000)
                                                    -------------
EXPLORATION & PRODUCTION -- 0.1%
  Oryx Energy Co.,
    7.50%, 05/15/14...............................  $       1,760       1,777,600
                                                                   --------------
OIL & GAS SERVICES -- 0.2%
  Baker Hughes, Inc., Zero Coupon, 05/05/08.......          5,940       4,989,600
                                                                   --------------
REAL ESTATE DEVELOPMENT -- 0.2%
  Alexander Haagen Properties, Inc., Series A
    7.50%, 01/15/01...............................          1,600       1,585,000
  Malan Realty Investors, Inc. 9.50%, 07/15/04....          3,000       3,180,000
                                                                   --------------
                                                                        4,765,000
                                                                   --------------
RETAIL -- 0.4%
  Charming Shoppes, Inc.,
    7.50%, 07/15/06...............................          8,000       7,540,000
                                                                   --------------
TOTAL CONVERTIBLE BONDS
  (cost $18,078,853).............................................      19,072,200
                                                                   --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $1,434,622,472)..........................................   1,934,118,684
                                                                   --------------
 
SHORT-TERM INVESTMENT -- 4.8%
REPURCHASE AGREEMENT
  Joint Repurchase Agreement Account, 6.53%,
    01/02/98
    (cost $98,435,000; Note 5)....................         98,435      98,435,000
                                                                   --------------
TOTAL INVESTMENTS -- 100.1%
  (cost $1,533,057,472; Note 6)..................................   2,032,553,684
LIABILITIES IN EXCESS OF
  OTHER ASSETS -- (0.1%).........................................      (2,797,795)
                                                                   --------------
NET ASSETS -- 100.0%.............................................  $2,029,755,889
                                                                   --------------
                                                                   --------------
</TABLE>
 
    The following abbreviations are used in portfolio descriptions:
    ADR     American Depository Receipt
 
(a)  Non-income producing security.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B35
<PAGE>
                                EQUITY PORTFOLIO
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
LONG-TERM INVESTMENTS -- 83.3%
                                                                       VALUE
COMMON STOCKS                                          SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
AEROSPACE -- 0.0%
  Raytheon Co.....................................         44,639  $    2,201,261
                                                                   --------------
AUTOS - CARS & TRUCKS -- 4.3%
  Chrysler Corp...................................      2,627,820      92,466,416
  General Motors Corp.............................        700,000      42,437,500
  LucasVarity PLC (United Kingdom)................     19,000,000      67,472,027
  Navistar International Corp. (a)................        395,200       9,805,900
  PACCAR, Inc.....................................        279,400      14,668,500
  TRW, Inc........................................        634,600      33,871,775
                                                                   --------------
                                                                      260,722,118
                                                                   --------------
BANKS AND SAVINGS & LOANS -- 6.2%
  Bank of New York Co., Inc.......................      1,200,000      69,375,000
  BankAmerica Corp................................        750,000      54,750,000
  Chase Manhattan Corp............................        475,600      52,078,200
  First America Bank Corp.........................        280,500      21,633,562
  Mellon Bank Corp................................        270,100      16,374,812
  Mercantile Bankshares Corp......................        419,400      16,409,025
  Morgan (J.P.) & Co., Inc........................        395,400      44,630,775
  NationsBank Corp................................        800,000      48,650,000
  Republic New York Corp..........................        225,000      25,692,187
  Washington Mutual, Inc..........................        429,060      27,379,391
                                                                   --------------
                                                                      376,972,952
                                                                   --------------
CHEMICALS -- 3.3%
  BOC Group, PLC ADR (United Kingdom).............        800,000      26,350,000
  Dow Chemical Co.................................        556,300      56,464,450
  Eastman Chemical Co.............................        941,550      56,081,072
  Potash Corp. of Saskatchewan, Inc...............        380,000      31,540,000
  Wellman, Inc....................................        798,200      15,564,900
  Witco Corp......................................        268,800      10,970,400
                                                                   --------------
                                                                      196,970,822
                                                                   --------------
COMPUTERS -- 3.3%
  Digital Equipment Corp. (a).....................      3,050,000     112,850,000
  International Business Machines Corp............        600,000      62,737,500
  NCR Corp........................................        100,000       2,781,250
  Seagate Technology, Inc. (a)....................        950,000      18,287,500
                                                                   --------------
                                                                      196,656,250
                                                                   --------------
CONSTRUCTION & HOUSING -- 1.3%
  American Standard Co., Inc. (a).................      1,050,000      40,228,125
  Centex Corp.....................................        600,000      37,762,500
                                                                   --------------
                                                                       77,990,625
                                                                   --------------
DIVERSIFIED CONSUMER PRODUCTS -- 5.3%
  Gibson Greeting Inc. (a)........................        750,000      16,406,250
  Loews Corp......................................      1,775,000     188,371,875
  RJR Nabisco Holdings Corp.......................      3,100,000     116,250,000
                                                                   --------------
                                                                      321,028,125
                                                                   --------------
ELECTRONICS -- 0.6%
  Harris Corp.....................................        600,000      27,525,000
  Gerber Scientific, Inc..........................        419,800       8,343,525
                                                                   --------------
                                                                       35,868,525
                                                                   --------------
FINANCIAL SERVICES -- 7.7%
  American Express Co.............................        700,000      62,475,000
  Lehman Brothers Holdings, Inc...................        900,000      45,900,000
  Morgan Stanley, Dean Witter, Discover & Co......      3,200,000     189,200,000
  Travelers Group, Inc............................      3,061,500     164,938,312
                                                                   --------------
                                                                      462,513,312
                                                                   --------------
FOOD & BEVERAGES -- 0.5%
  Diageo PLC (United Kingdom).....................      3,000,000      27,599,940
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
FOREST PRODUCTS -- 7.9%
  Fort James Corp.................................        560,000  $   21,420,000
  Georgia-Pacific Corp............................      1,158,000      70,348,500
  Georgia-Pacific Corp. (a).......................      1,158,000      26,272,125
  International Paper Co..........................      1,638,000      70,638,750
  Mead Corp.......................................      1,800,000      50,400,000
  Rayonier Inc....................................        830,400      35,343,900
  Temple-Inland Inc...............................        892,500      46,688,906
  Weyerhaeuser Co.................................      1,522,500      74,697,656
  Willamette Industries, Inc......................      2,500,000      80,468,750
                                                                   --------------
                                                                      476,278,587
                                                                   --------------
HOSPITALS/ HOSPITAL MANAGEMENT -- 5.0%
  Columbia/HCA Healthcare Corp....................      2,383,500      70,611,187
  Foundation Health Corp. (a).....................      2,044,210      45,739,199
  PacifiCare Health Systems, Inc. (a).............        291,500      15,267,312
  Tenet Healthcare Corp. (a)......................      3,237,832     107,253,185
  Wellpoint Health Networks Inc...................      1,508,300      63,725,675
                                                                   --------------
                                                                      302,596,558
                                                                   --------------
INSURANCE -- 10.9%
  American Financial Group, Inc...................        552,700      22,280,719
  American General Corp...........................      1,000,000      54,062,500
  Chubb Corp......................................      2,206,400     166,859,000
  Citizens Corp...................................        700,000      20,125,000
  Equitable Companies, Inc........................      1,800,000      89,550,000
  Old Republic International Corp.................      1,950,885      72,548,536
  SAFECO Corp.....................................      2,327,000     113,441,250
  St. Paul Companies, Inc.........................        826,900      67,857,481
  Western National Corp...........................      1,624,300      48,119,888
                                                                   --------------
                                                                      654,844,374
                                                                   --------------
METALS-FERROUS -- 0.6%
  Bethlehem Steel Corp. (a).......................        500,000       4,312,500
  Birmingham Steel Corp...........................      1,527,400      24,056,550
  Carpenter Technology Corp.......................        100,000       4,806,250
                                                                   --------------
                                                                       33,175,300
                                                                   --------------
METALS-NON FERROUS -- 1.1%
  Aluminum Company of America.....................        600,000      42,225,000
  Cyprus Amax Minerals Co.........................      1,533,200      23,572,950
  Nord Resources Corp. (a)........................        130,500         236,531
                                                                   --------------
                                                                       66,034,481
                                                                   --------------
MISCELLANEOUS - CONSUMER GROWTH/STABLE -- 0.5%
  Eastman Kodak Co................................        475,000      28,885,938
                                                                   --------------
OIL & GAS -- 2.4%
  Amerada Hess Corp...............................        325,000      17,834,375
  Atlantic Richfield Co...........................      1,081,700      86,671,213
  Total SA, ADR (France)..........................        738,365      40,979,258
                                                                   --------------
                                                                      145,484,846
                                                                   --------------
OIL & GAS EXPLORATION/PRODUCTION -- 3.7%
  Elf Aquitaine SA, ADR (France)..................      2,424,433     142,132,385
  Occidental Petroleum Corp.......................      1,100,000      32,243,750
  Oryx Energy Co. (a).............................      1,600,000      40,800,000
  Union Texas Petroleum Holdings, Inc.............        504,500      10,499,906
                                                                   --------------
                                                                      225,676,041
                                                                   --------------
PRECIOUS METALS -- 0.4%
  AMAX Gold Inc. (a)..............................        131,342         303,728
  Newmont Mining Corp.............................        883,900      25,964,563
                                                                   --------------
                                                                       26,268,291
                                                                   --------------
RESTAURANTS -- 1.6%
  Darden Restaurants, Inc.........................      7,922,700      99,033,750
                                                                   --------------
RETAIL -- 8.0%
  BJ'S Wholesale Club, Inc. (a)...................      1,300,000      40,787,500
  Dayton-Hudson Corp..............................        358,800      24,219,000
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B36
<PAGE>
                          EQUITY PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Dillard's, Inc..................................      3,300,000  $  116,325,000
  Homebase, Inc. (a)..............................      1,300,000      10,237,500
  Kmart Corp. (a).................................      6,500,000      75,156,250
  Nine West Group, Inc. (a).......................        715,800      18,566,063
  Petrie Stores Corp. (a).........................        540,000       1,651,050
  Sears, Roebuck and Co...........................        690,000      31,222,500
  Tandy Corp......................................      2,765,800     106,656,163
  Toys 'R' Us, Inc. (a)...........................      1,800,000      56,587,500
                                                                   --------------
                                                                      481,408,526
                                                                   --------------
TELECOMMUNICATIONS -- 5.4%
  360 Communication Co. (a).......................      1,696,066      34,239,332
  AT&T Corp.......................................      1,950,000     119,437,500
  Loral Corp......................................      1,800,000      38,587,500
  Portugal Telecom SA, ADR (Portugal).............      1,262,500      59,337,500
  Telefonica de Espana, SA, ADR (Spain)...........        800,000      72,850,000
                                                                   --------------
                                                                      324,451,832
                                                                   --------------
TEXTILES -- 0.0%
  Worldtex, Inc. (a)..............................        107,199         850,892
                                                                   --------------
TRANSPORTATION -- 0.4%
  OMI Corp. (a)...................................      1,000,000       9,187,500
  Overseas Shipholding Group, Inc.................        600,000      13,087,500
                                                                   --------------
                                                                       22,275,000
                                                                   --------------
UTILITY - ELECTRIC -- 2.3%
  American Electric Power, Inc....................        180,000       9,292,500
  GPU, Inc........................................        500,000      21,062,500
  Houston Industries, Inc.........................        974,519      26,007,476
  Long Island Lighting Co.........................      1,541,400      46,434,675
  Unicom Corp.....................................      1,112,900      34,221,675
                                                                   --------------
                                                                      137,018,826
                                                                   --------------
UTILITY - WATER -- 0.1%
  American Water Works Co., Inc...................        270,000       7,374,375
                                                                   --------------
WASTE MANAGEMENT -- 0.5%
  Waste Management, Inc...........................      1,100,000      30,250,000
                                                                   --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $3,193,641,271)..........................................   5,020,431,547
                                                                   --------------
 
                                                                  PRINCIPAL
                                                      MOODY'S      AMOUNT
SHORT-TERM INVESTMENTS -- 16.7%                        RATING       (000)
                                                    ------------  ---------
CERTIFICATES OF DEPOSIT-YANKEE -- 2.3%
  Bank of Montreal, (Canada),
    5.90%, 01/16/98...............................       P1       $  27,000      27,000,000
  Barclays Bank PLC, (United Kingdom)
    5.64%, 01/20/98...............................       P1          21,000      20,997,178
  Bayerische LandesBank, (Federal Republic of
    Germany)
    5.69%, 01/28/98...............................       P1          20,000      19,997,165
  Bayerische VereinBank, (Federal Republic of
    Germany)
    5.69%, 01/23/98...............................       P1          13,000      12,998,349
  Canadian Imperial Bank, (Canada)
    5.80%, 02/13/98...............................       P1          59,000      59,000,000
                                                                             --------------
                                                                                139,992,692
                                                                             --------------
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                  PRINCIPAL
                                                      MOODY'S      AMOUNT        VALUE
SHORT-TERM INVESTMENTS (CONT'D)                        RATING       (000)       (NOTE 2)
                                                    ------------  ---------  --------------
<S>                                                 <C>           <C>        <C>
COMMERCIAL PAPER -- 4.6%
  Associates Corp. of North America,
    5.70%, 01/15/98...............................       P1       $  17,000  $   16,965,008
    5.70%, 01/16/98...............................       P1          24,000      23,946,800
  Associates First Capital Corp.,
    5.75%, 01/30/98...............................       P1          19,000      18,915,028
  Bell Atlantic Financial,
    5.80%, 01/14/98...............................       P1           9,000       8,982,600
  Beneficial Corp.,
    5.74%, 02/12/98...............................       P1          59,000      58,614,304
  General Electric Capital Corp.,
    5.71%, 01/23/98...............................       P1          27,000      26,910,067
    5.80%, 01/14/98...............................       P1          34,000      33,934,267
  Morgan (J.P.) & Co., Inc.,
    5.77%, 02/10/98...............................       P1           8,030       7,979,806
  Norwest Financial, Inc.,
    5.70%, 01/16/98...............................       P1          48,384      48,276,749
  Smith Barney, Inc.,
    5.82%, 01/15/98...............................       P1          10,000       9,978,983
  Xerox Corp.,
    5.75%, 02/10/98...............................       P1          20,000      19,875,417
                                                                             --------------
                                                                                274,379,029
                                                                             --------------
REPURCHASE AGREEMENT -- 8.1%
  Joint Repurchase Agreement Account,
    6.53%, 01/02/98
      (Note 5)....................................                  490,528     490,528,000
                                                                             --------------
U. S. GOVERNMENT & AGENCY OBLIGATIONS -- 1.7%
  Federal Home Loan Mortgage Corp.,
    5.61%, 03/10/98...............................                    7,000       6,929,020
  Federal National Mortgage Association,
    5.40%, 02/05/98...............................                   10,000       9,946,200
    5.63%, 08/14/98...............................                    8,000       7,991,760
    5.71%, 09/09/98...............................                   15,000      14,983,650
    5.89%, 05/21/98...............................                   12,200      12,209,516
  United States Treasury Notes,
    5.125%, 02/28/98..............................                   20,000      19,984,400
    5.875%, 04/30/98..............................                   10,000      10,012,500
    6.125%, 08/31/98..............................                   18,000      18,056,160
                                                                             --------------
                                                                                100,113,206
                                                                             --------------
TOTAL SHORT-TERM INVESTMENTS
  (cost $1,004,995,132)....................................................   1,005,012,927
                                                                             --------------
TOTAL INVESTMENTS -- 100.0%
  (cost $4,198,636,403; Note 6)............................................   6,025,444,474
                                                                             --------------
LIABILITIES IN EXCESS OF
  OTHER ASSETS -- (0.0%)...................................................      (1,464,443)
                                                                             --------------
TOTAL NET ASSETS -- 100.0%.................................................  $6,023,980,031
                                                                             --------------
                                                                             --------------
</TABLE>
 
<TABLE>
    <S>     <C>
    The following abbreviations are used in portfolio descriptions:
            --  American Depository Receipt.
    ADR
            --  Public Limited Company (British Corporation).
    PLC
        SA  --  Sociedad Anonima (Spanish Corporation) or Societe
                Anonyme (French Corporation).
</TABLE>
 
(a)  Non-Income producing security.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B37
<PAGE>
                         PRUDENTIAL JENNISON PORTFOLIO
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
LONG-TERM INVESTMENTS -- 96.6%
                                                                       VALUE
COMMON STOCKS                                          SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
AEROSPACE -- 2.6%
  Boeing Co.......................................        147,700  $    7,228,069
  Gartner Group Inc. (a)..........................        153,400       5,714,150
                                                                   --------------
                                                                       12,942,219
                                                                   --------------
BANKS AND SAVINGS & LOANS -- 4.5%
  Chase Manhattan Corp............................        106,400      11,650,800
  Citicorp........................................         42,600       5,386,237
  Fleet Financial Group, Inc......................         73,200       5,485,425
                                                                   --------------
                                                                       22,522,462
                                                                   --------------
BUSINESS SERVICES -- 3.6%
  Manpower, Inc...................................         67,400       2,375,850
  Mastering Inc. (a)..............................         84,600         771,975
  Omnicom Group, Inc..............................        196,600       8,330,925
  Reuters Holdings PLC, (United Kingdom), ADR.....         95,500       6,326,875
                                                                   --------------
                                                                       17,805,625
                                                                   --------------
CHEMICALS -- 2.0%
  Monsanto Co.....................................        233,000       9,786,000
                                                                   --------------
COMMERCIAL SERVICES -- 1.8%
  Cendant Corp. (a)...............................        258,100       8,872,187
                                                                   --------------
COMPUTER SERVICES -- 3.1%
  Microsoft Corp..................................         68,900       8,905,325
  SAP AG, (Germany), ADR..........................         58,100       6,256,644
                                                                   --------------
                                                                       15,161,969
                                                                   --------------
COMPUTER SYSTEMS -- 1.6%
  Diebold, Inc....................................        158,500       8,024,062
                                                                   --------------
COMPUTERS -- 10.0%
  3Com Corp. (a)..................................        112,000       3,913,000
  Cisco Systems, Inc. (a).........................        179,350       9,998,762
  Compaq Computer Corp............................        198,650      11,211,309
  Dell Computer Corp. (a).........................         93,200       7,828,800
  Hewlett-Packard Co..............................        171,500      10,718,750
  International Business Machines Corp............         55,600       5,813,675
                                                                   --------------
                                                                       49,484,296
                                                                   --------------
DIVERSIFIED OPERATIONS -- 2.4%
  General Electric Co.............................        165,700      12,158,237
                                                                   --------------
DRUGS AND MEDICAL SUPPLIES -- 10.7%
  Boston Scientific Corp. (a).....................         80,000       3,670,000
  Bristol-Myers Squibb Co.........................         90,600       8,573,025
  Eli Lilly & Co..................................        104,400       7,268,850
  Pfizer, Inc.....................................        242,600      18,088,863
  Smithkline Beecham, PLC, ADR (United Kingdom)...        186,700       9,603,381
  Warner-Lambert Co...............................         46,700       5,790,800
                                                                   --------------
                                                                       52,994,919
                                                                   --------------
ELECTRONICS -- 9.1%
  Applied Materials, Inc. (United States) (a).....        190,800       5,747,850
  Intel Corp. (United States).....................         96,600       6,786,150
  International Rectifier Corp. (a)...............        181,300       2,141,606
  KLA-Tencor Corp. (a)............................        132,000       5,098,500
  Motorola, Inc. (United States)..................        129,400       7,383,888
  Symbol Technologies, Inc. (a)...................        186,950       7,057,363
</TABLE>
 
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Texas Instruments, Inc. (United States).........        164,800  $    7,416,000
  Xilinx Inc. (a).................................        106,400       3,730,650
                                                                   --------------
                                                                       45,362,007
                                                                   --------------
FINANCIAL SERVICES -- 6.8%
  MBNA Corp.......................................        276,225       7,544,395
  Morgan Stanley, Dean Witter, Discover & Co.,....        170,520      10,081,995
  Schwab (Charles) Corp. (a)......................        156,300       6,554,831
  Washington Mutual, Inc..........................        151,300       9,654,831
                                                                   --------------
                                                                       33,836,052
                                                                   --------------
HOSPITAL MANAGEMENT -- 1.2%
  PhyCor, Inc. (a)................................        220,000       5,940,000
                                                                   --------------
HOSPITALS/ HOSPITAL MANAGEMENT -- 1.4%
  Healthsouth Corp. (a)...........................        245,200       6,804,300
                                                                   --------------
HOUSEHOLD PRODUCTS & PERSONAL CARE -- 1.5%
  Gillette Co.....................................         72,300       7,261,631
                                                                   --------------
INSURANCE -- 6.4%
  MGIC Investment Corp............................        106,200       7,062,300
  Mutual Risk Management, Ltd.....................        255,332       7,644,002
  Provident Companies, Inc........................        192,400       7,431,450
  UNUM Corp.......................................        173,900       9,455,813
                                                                   --------------
                                                                       31,593,565
                                                                   --------------
LEISURE -- 5.4%
  Hilton Hotels Corp..............................        287,400       8,550,150
  Promus Hotel Corp. (a)..........................        156,000       6,552,000
  Walt Disney Co..................................        116,800      11,570,500
                                                                   --------------
                                                                       26,672,650
                                                                   --------------
MACHINERY -- 1.4%
  Case Corp.......................................        119,100       7,198,106
                                                                   --------------
MEDIA -- 1.5%
  Clear Channel Communications, Inc. (a)..........         93,700       7,443,294
                                                                   --------------
OIL & GAS SERVICES -- 1.8%
  Schlumberger Ltd................................        108,400       8,726,200
                                                                   --------------
RETAIL -- 8.3%
  AutoZone, Inc. (a)..............................        181,200       5,254,800
  Dollar General Corporation......................        183,775       6,661,844
  Home Depot, Inc.................................        130,200       7,665,525
  Kohl's Corp. (a)................................         93,200       6,349,250
  Sears, Roebuck & Co.............................        168,600       7,629,150
  The Gap, Inc....................................        210,000       7,441,875
                                                                   --------------
                                                                       41,002,444
                                                                   --------------
SOFTWARE -- 1.1%
  Intuit, Inc. (a)................................        138,200       5,700,750
                                                                   --------------
TELECOMMUNICATIONS -- 6.5%
  Airtouch Communications, Inc. (a)...............        182,200       7,572,688
  Ciena Corp. (a).................................         77,800       4,755,525
  Nokia AB Corp., (Japan), ADR....................         79,500       5,565,000
  Tellabs, Inc. (a)...............................        136,400       7,212,150
  Vodafone Group, (United Kingdom) ADR, PLC.......         95,100       6,894,750
                                                                   --------------
                                                                       32,000,113
                                                                   --------------
TRUCKING/SHIPPING -- 1.9%
  Federal Express Corp. (a).......................        157,800       9,635,663
                                                                   --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $399,036,254)............................................     478,928,751
                                                                   --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B38
<PAGE>
                   PRUDENTIAL JENNISON PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
<TABLE>
<CAPTION>
                                                      PRINCIPAL
                                                       AMOUNT          VALUE
SHORT-TERM INVESTMENT -- 5.6%                           (000)         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
REPURCHASE AGREEMENT --
  Joint Repurchase Agreement Account,
    6.53%, 01/02/98 (cost $27,931,000; Note 5)....  $      27,931  $   27,931,000
                                                                   --------------
                                                                       27,931,000
                                                                   --------------
TOTAL INVESTMENTS -- 102.2%
  (cost $426,967,254; Note 6)....................................     506,859,751
LIABILITIES IN EXCESS OF OTHER ASSETS -- (2.2%)..................     (10,922,632)
                                                                   --------------
TOTAL NET ASSETS -- 100.0%.......................................  $  495,937,119
                                                                   --------------
                                                                   --------------
</TABLE>
 
    The following abbreviations are used in portfolio descriptions:
    ADR     American Depository Receipt
    PLC     Public Limited Company (British Corporation)
 
(a)  Non-income producing security.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B39
<PAGE>
                                GLOBAL PORTFOLIO
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
LONG-TERM INVESTMENTS -- 93.1%
                                                                       VALUE
COMMON STOCKS -- 92.1%                                 SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
AUSTRALIA -- 2.6%
  Brambles Industries, Ltd. (Diversified
    Operations)...................................        615,200  $   12,204,445
  FXF Trust (Media) (a)...........................        224,600          38,045
  Publishing and Broadcasting, Ltd. (Media).......        224,600       1,011,704
  Woolworths, Ltd. (Retail).......................      1,056,356       3,530,548
                                                                   --------------
                                                                       16,784,742
                                                                   --------------
FEDERAL REPUBLIC OF GERMANY -- 4.0%
  Linde, AG (Machinery)...........................         12,040       7,350,730
  SAP, AG (Computer Services).....................         39,100      11,881,426
  Volkswagen, AG (Autos - Cars & Trucks)..........         11,700       6,583,669
                                                                   --------------
                                                                       25,815,825
                                                                   --------------
FINLAND -- 2.0%
  Nokia Corp. (Class "A" Stock)
    (Telecommunications)..........................        177,300      12,587,555
                                                                   --------------
FRANCE -- 5.1%
  Carrefour Supermarche, SA (Retail)..............         10,300       5,375,551
  France Telecom, SA (Telecommunications) (a).....         50,000       1,814,178
  Legrand, SA (Electrical Equipment)..............         42,500       8,469,625
  Total, SA (Class "B" Stock) (Petroleum).........         69,400       7,555,389
  Valeo, SA (Autos - Cars & Trucks)...............        144,685       9,816,408
                                                                   --------------
                                                                       33,031,151
                                                                   --------------
HONG KONG -- 2.0%
  Hutchison Whampoa, Ltd. (Diversified
    Operations)...................................      1,349,000       8,444,308
  New World Development Co., Ltd. (Real Estate
    Development)..................................      1,179,000       4,078,110
                                                                   --------------
                                                                       12,522,418
                                                                   --------------
IRELAND -- 2.7%
  Bank Of Ireland (Banks and Savings & Loans).....      1,105,100      17,066,660
                                                                   --------------
ITALY -- 4.7%
  Credito Italiano (Financial Services) (a).......      3,307,500      10,200,510
  Telecom Italia Mobile SpA
    (Telecommunications)..........................      4,263,000      19,678,808
                                                                   --------------
                                                                       29,879,318
                                                                   --------------
JAPAN -- 5.2%
  Aoyama Trading Co., Ltd. (Retail)...............        214,000       3,823,333
  Daibiru Corp. (Real Estate Development).........      1,070,000       7,835,372
  Daito Trust Construction Co. (Construction).....        541,000       3,306,192
  NAMCO, Ltd. (Leisure)...........................         70,500       2,048,806
  Nomura Securities Co., Ltd (Financial
    Services).....................................        709,000       9,459,495
  Okumura Corp. (Construction)....................      1,275,000       3,030,710
  Senshukai Co., Ltd. (Retail)....................        163,000         612,430
  Shiseido Co., Ltd. (Cosmetics & Soaps)..........        116,000       1,583,253
  Xebio Co., Ltd. (Retail)........................        146,900       1,171,460
  Yamamura Glass Co., Ltd. (Household Products)...         95,000         105,624
                                                                   --------------
                                                                       32,976,675
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
NETHERLANDS -- 2.6%
  Nutricia Verenigde Bedrijven (Food &
2    Beverages)....................................        200,000  $    6,067,713
  Royal Dutch Petroleum Co. (Oil Services)........        186,100      10,217,895
  SGS-Thomson Microelectronics, N.V.
    (Electronics) (a).............................          5,440         332,180
                                                                   --------------
                                                                       16,617,788
                                                                   --------------
PHILIPPINES -- 1.0%
  Philippine Long Distance Telephone,
    ADR (Telecommunications)......................        276,400       6,219,000
                                                                   --------------
SINGAPORE -- 0.2%
  Sembawang Maritime, Ltd. (Trucking/Shipping)....        883,500       1,302,276
                                                                   --------------
SPAIN -- 3.2%
  Banco Central Hispanoamericano, SA (Banks &
    Financial Services) (a).......................        514,212      12,520,792
  Telefonica De Espana (Telecommunications).......        285,300       8,145,293
                                                                   --------------
                                                                       20,666,085
                                                                   --------------
SWEDEN -- 3.9%
  Allgon Corp. (Electronics)......................         48,000         648,381
  Hennes & Mauritz, AB (Retail)...................        261,300      11,545,492
  Mo Och Domsjo, AB (Series "B" Free) (Forest
    Products).....................................        124,800       3,229,784
  Nordbanken Holding, AB (Banks & Financial
    Services) (a).................................      1,697,000       9,619,072
                                                                   --------------
                                                                       25,042,729
                                                                   --------------
SWITZERLAND -- 1.5%
  Novartis, AG (Drugs and Medical Supplies).......          5,900       9,564,295
                                                                   --------------
UNITED KINGDOM -- 11.9%
  Barclays, PLC (Banks and Savings & Loans).......        353,200       9,455,372
  Dixons Group, PLC (Retail)......................        886,200       8,943,430
  Guest Kean & Nettlefolds, PLC (Autos - Cars &
    Trucks).......................................        339,840       6,999,582
  Hays, PLC (Commercial Services).................        584,400       7,823,669
  Johnson Matthey, PLC (Precious Metals)..........        723,400       6,511,877
  Royal & Sun Alliance Insurance Group, PLC
    (Insurance)...................................        701,400       7,101,620
  Siebe, PLC (Machinery)..........................        482,240       9,518,364
  Vodafone Group, PLC (Telecommunications)........      2,692,600      19,568,417
                                                                   --------------
                                                                       75,922,331
                                                                   --------------
UNITED STATES -- 39.5%
  3Com Corp. (Computers) (a)......................        152,200       5,317,487
  Adaptec, Inc. (Computer Services) (a)...........        276,400      10,261,350
  Adobe Systems, Inc. (Computer Services).........        199,500       8,229,375
  Baker Hughes, Inc. (Oil & Gas Services).........        184,300       8,040,087
  Circus Circus Enterprises, Inc. (Leisure) (a)...        346,300       7,099,150
  Cisco Systems, Inc. (Computers) (a).............        260,700      14,534,025
  Consolidated Stores Corp. (Retail) (a)..........        215,400       9,464,137
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B40
<PAGE>
                          GLOBAL PORTFOLIO (CONTINUED)
DECEMBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                       VALUE
COMMON STOCKS (CONTINUED)                              SHARES         (NOTE 2)
                                                    -------------  --------------
<S>                                                 <C>            <C>
  Electronic Arts, Inc. (Computer Services) (a)...        264,000  $    9,982,500
  Intel Corp. (Electronics).......................        113,600       7,980,400
  Mattel, Inc. (Toys).............................        323,658      12,056,260
  Microsoft Corp. (Computer Services) (a).........         91,200      11,787,600
  Mirage Resorts, Inc. (Leisure) (a)..............        342,800       7,798,700
  Mobil Corp. (Oil & Gas).........................        182,700      13,188,656
  Oracle Corp. (Computer Services) (a)............        190,500       4,250,531
  PMC-Sierra, Inc. (Electronics) (a)..............        287,500       8,912,500
  Proffitt's, Inc. (Retail) (a)...................        170,400       4,845,750
  Progressive Corp. (Insurance)...................         49,800       5,969,775
  Quorum Health Group, Inc. (Hospitals) (a).......        228,400       5,966,950
  Safeway, Inc. (Retail) (a)......................        166,600      10,537,450
  Tenet Healthcare Corp. (Hospitals/ Hospital
    Management) (a)...............................        242,000       8,016,250
  Texas Instruments, Inc. (Electronics)...........        248,800      11,196,000
  The Limited, Inc. (Retail)......................        383,200       9,771,600
  Tiffany & Co. (Retail)..........................        180,000       6,491,250
  Time Warner, Inc. (Media).......................        195,000      12,090,000
  Transocean Offshore, Inc. (Petroleum
    Services).....................................        179,500       8,649,656
  U.S.A. Waste Services, Inc. (Environmental
    Services) (a).................................        185,300       7,273,025
  Walt Disney Co. (Leisure).......................        103,900      10,292,594
  Wells Fargo & Co. (Banks and Savings & Loans)...         35,700      12,117,919
                                                                   --------------
                                                                      252,120,977
                                                                   --------------
TOTAL COMMON STOCKS
  (cost $472,116,637)............................................     588,119,825
                                                                   --------------
 
PREFERRED STOCKS -- 1.0%
FEDERAL REPUBLIC OF GERMANY -- 1.0%
  Wella, AG (Cosmetics & Soaps)
    (cost $6,328,858).............................          8,500       6,451,389
                                                                   --------------
TOTAL LONG-TERM INVESTMENTS
  (cost $478,445,495)............................................     594,571,214
                                                                   --------------
 
                                                      PRINCIPAL
                                                       AMOUNT
SHORT-TERM INVESTMENT -- 3.7%                           (000)
                                                    -------------
REPURCHASE AGREEMENT
  UNITED STATES
  Merrill Lynch, Pierce, Fenner & Smith, Inc.,
    6.25%, 01/02/98 (cost $23,539,000) (b)........  $      23,539      23,539,000
                                                                   --------------
TOTAL INVESTMENTS -- 96.8%
  (cost $501,984,495; Note 6)....................................     618,110,214
FORWARD CURRENCY CONTRACTS --
  NET AMOUNT RECEIVABLE FROM
  COUNTERPARTIES (C) -- 0.1%.....................................         473,292
OTHER ASSETS IN EXCESS OF LIABILITIES -- 3.1%....................
                                                                       19,817,846
                                                                   --------------
TOTAL NET ASSETS -- 100.0%.......................................  $  638,401,352
                                                                   --------------
                                                                   --------------
</TABLE>
 
DECEMBER 31, 1997
 
<TABLE>
<S>                                                 <C>            <C>
The following abbreviations are used in portfolio descriptions:
        AB  Aktiebolag (Swedish Stock Company)
        AG  Aktiengesellschaft (German Stock Company)
    N.V.    Naamloze Vennootschap (Dutch Corporation)
    PLC     Public Limited Company (British Corporation)
        SA  Sociedad Anonima (Spanish Corporation) or Societe Anonyme (French
            Corporation)
 
(a)  Non-income producing security.
 
(b)  Merrill Lynch, Pierce, Fenner & Smith, Inc., repurchase price $23,547,664
     due 1/2/98. The value of the collateral was $24,008,143.
 
(c)  Outstanding forward currency contracts at December 31, 1997 were as
     follows:
</TABLE>
<TABLE>
<CAPTION>
                                VALUE AT
      FOREIGN CURRENCY         SETTLEMENT       CURRENT      APPRECIATION
         CONTRACTS                DATE           VALUE      (DEPRECIATION)
- ----------------------------  -------------  -------------  ---------------
<S>                           <C>            <C>            <C>
   Sale:
     Hong Kong Dollar,
       expiring 04/27/98....  $   2,122,100  $   2,202,596    $   (80,496)
     Japanese Yen,
       expiring 05/21/98....  $  16,000,000  $  15,446,212    $   553,788
</TABLE>
 
The industry classification of portfolio holdings and other assets in excess of
liabilities shown as a percentage of net assets as of December 31, 1997 were as
follows:
 
<TABLE>
<S>                                                      <C>
Commercial Banks                                              12.6%
Computer Services                                             11.9%
Retail                                                        11.9%
Telecommunications                                            10.6%
Oil & Gas Services                                             7.4%
Electronics                                                    5.9%
Leisure                                                        4.3%
Automobiles                                                    3.7%
Diversified Operations                                         3.2%
Machinery                                                      2.6%
Hospitals                                                      2.2%
Media                                                          2.1%
Insurance                                                      2.1%
Toys                                                           1.9%
Real Estate Development                                        1.9%
Drugs & Medical Supplies                                       1.5%
Cosmetics & Soaps                                              1.3%
Commercial Services                                            1.2%
Environmental Services                                         1.1%
Precious Metals                                                1.0%
Construction                                                   1.0%
Food & Beverage                                                1.0%
Forest Products                                                0.5%
Trucking & Shipping                                            0.2%
Repurchase Agreement                                           3.7%
                                                         ---------
                                                              96.8%
                                                         ---------
Forward currency contracts                                     0.1%
Other assets in excess of liabilities                          3.1%
                                                         ---------
                                                             100.0%
                                                         ---------
                                                         ---------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                      B41
<PAGE>
                      NOTES TO THE FINANCIAL STATEMENTS OF
                             CERTAIN PORTFOLIOS OF
                        THE PRUDENTIAL SERIES FUND, INC.
 
NOTE 1:  GENERAL
 
The Prudential Series Fund, Inc. ("Series Fund"), a Maryland corporation,
organized on November 15, 1982, is a diversified open-end management investment
company registered under the Investment Company Act of 1940, as amended. The
Series Fund is composed of fifteen Portfolios ("Portfolio" or "Portfolios"),
each with a separate series of capital stock. The information presented in thse
financial statements pertains to only the eleven Portfolios available for
investment by Discovery Select Group Retirement Annuity: Money Market Portfolio,
Diversified Bond Portfolio, Government Income Portfolio, Conservative Balanced
Portfolio, Flexible Managed Portfolio, High Yield Bond Portfolio, Stock Index
Portfolio, Equity Income Portfolio, Equity Portfolio, Prudential Jennison
Portfolio and Global Portfolio. Shares in the Series Fund are currently sold
only to certain separate accounts of The Prudential Insurance Company of America
("The Prudential"), Pruco Life Insurance Company and Pruco Life Insurance
Company of New Jersey (together referred to as the "Companies") to fund benefits
under certain variable life insurance and variable annuity contracts
("contracts") issued by the Companies. The accounts invest in shares of the
Series Fund through subaccounts that correspond to the Portfolios. The accounts
will redeem shares of the Series Fund to the extent necessary to provide
benefits under the contracts or for such other purposes as may be consistent
with the contracts. The ability of the issuers of the securities held by the
Money Market Portfolio to meet their obligations may be affected by economic
developments in a specific industry or region.
 
NOTE 2:  ACCOUNTING POLICIES
 
The following is a summary of significant accounting policies consistently
followed by the Series Fund in preparation of its financial statements.
 
SECURITIES VALUATION:  Securities traded on an exchange (whether domestic or
foreign) are valued at the last reported sales price on the primary exchange on
which they are traded. Securities traded in the over-the-counter market
(including securities listed on exchanges for which a last sales price is not
available) are valued at the average of the last reported bid and asked prices.
Convertible debt securities are valued at the mean between the most recently
quoted bid and asked prices provided by principal market makers. High yield
bonds are valued either by quotes received from principal market makers or by an
independent pricing service which determine prices by analysis of quality,
coupon, maturity and other factors. Any security for which a reliable market
quotation is unavailable is valued at fair value as determined in good faith by
or under the direction of the Series Fund's Board of Directors.
 
The Money Market, Conservative Balanced and Flexible Managed Portfolios use
amortized cost to value short-term securities. Short-term securities that are
held in the other Portfolios which mature in more than 60 days are valued at
current market quotations and those short-term securities which mature in 60
days or less are valued at amortized cost.
 
The High Yield Bond Portfolio may hold up to 15% of its net assets in illiquid
securities, including those which are restricted as to disposition under
securities law ("restricted securities"). Certain issues of restricted
securities held by the High Yield Bond Portfolio at December 31, 1997 include
registration rights, some of which are currently under contract to be
registered. Restricted securities, sometimes referred to as private placements,
are valued pursuant to the valuation procedures noted above.
 
REPURCHASE AGREEMENTS:  In connection with transactions in repurchase agreements
with U.S. financial institutions, it is the Series Fund's policy that its
custodian or designated subcustodians, as the case may be under triparty
repurchase agreements, take possession of the underlying collateral securities,
the value of which exceeds the principal amount of the repurchase transaction
including accrued interest. If the seller defaults and the value of the
collateral declines or if bankruptcy proceedings are commenced with respect to
the seller of the security, realization of the collateral by the Series Fund may
by delayed or limited. (See Note 5).
 
                                       C1
<PAGE>
FOREIGN CURRENCY TRANSLATION:  The books and records of the Series Fund are
maintained in U.S. dollars. Foreign currency amounts are translated into U.S.
dollars on the following basis:
 
(i) market value of investments securities, other assets and liabilities - at
the current rates of exchange.
 
(ii) purchases and sales of investment securities, income and expenses - at the
rate of exchange prevailing on the respective dates of such transactions.
 
Although the net assets of the Series Fund are presented at the foreign exchange
rates and market values at the close of the fiscal year, the Series Fund does
not isolate that portion of the results of operations arising as a result of
changes in the foreign exchange rates from the fluctuations arising from changes
in the market prices of securities held at the end of the fiscal year.
Similarly, the Series Fund does not isolate the effect of changes in foreign
exchange rates from the fluctuations arising from changes in the market prices
of long-term portfolio securities sold during the fiscal year. Accordingly,
these realized and unrealized foreign currency gains (losses) are included in
the reported net realized gains (losses) on investment transactions.
 
Net realized gains (losses) on foreign currency transactions represent net
foreign exchange gains or losses from holdings of foreign currencies, currency
gains or losses realized between the trade and settlement dates on security
transactions, and the difference between the amounts of dividends, interest and
foreign taxes recorded on the Series Fund's books and the U.S. dollar equivalent
amounts actually received or paid. Net unrealized currency gains or losses from
valuing foreign currency denominated assets and liabilities (other than
investments) at fiscal year end exchange rates are reflected as a component of
net unrealized appreciation (depreciation) on investments and foreign
currencies.
 
Foreign security and currency transactions may involve certain considerations
and risks not typically associated with those of domestic origin as a result of,
among other factors, the possibility of political and economic instability and
the level of governmental supervision and regulation of foreign securities
markets.
 
SHORT SALES:  Certain portfolios of the Series Fund may sell a security it does
not own in anticipation of a decline in the market value of that security (short
sale). When the Portfolio makes a short sale, it must borrow the security sold
short and deliver it to the buyer. The proceeds of the short sale will be
retained by the broker-dealer through which it made the short sale as collateral
for its obligation to deliver the security upon conclusion of the sale. The
Portfolio may have to pay a fee to borrow the particular security and may be
obligated to remit any interest or dividends received on such borrowed
securities. A gain, limited to the price at which the Portfolio sold the
security short, or a loss, unlimited in magnitude, will be recognized upon the
termination of a short sale if the market price at termination is less than or
greater than, respectively, the proceeds originally received.
 
OPTIONS:  The Series Fund may either purchase or write options in order to hedge
against adverse market movements or fluctuations in value with respect to
securities which the Series Fund currently owns or intends to purchase. The
Series Fund's principal reason for writing options is to realize, through
receipts of premiums, a greater current return than would be realized on the
underlying security alone. When the Series Fund purchases an option, it pays a
premium and an amount equal to that premium is recorded as an investment. When
the Series Fund writes an option, it receives a premium and an amount equal to
that premium is recorded as a liability. The investment or liability is adjusted
daily to reflect the current market value of the option. If an option expires
unexercised, the Series Fund realizes a gain or loss to the extent of the
premium received or paid. If an option is exercised, the premium received or
paid is an adjustment to the proceeds from the sales or the cost of the purchase
in determining whether the Series Fund has realized a gain or loss. The
difference between the premium and the amount received or paid on effecting a
closing purchase or sale transaction is also treated as a realized gain or loss.
Gain or loss on purchased options is included in net realized gain (loss) on
investment transactions. Gain or loss on written options is presented separately
as net realized gain (loss) on written option transactions.
 
The Series Fund, as writer of an option, may have no control over whether the
underlying securities may be sold (called) or purchased (put). As a result, the
Series Fund bears the market risk of an unfavorable change in the price of the
security underlying the written option. The Series Fund, as purchaser of an
option, bears the risk of the potential inability of the counterparties to meet
the terms of their contracts.
 
FINANCIAL FUTURES CONTRACTS:  A financial futures contract is an agreement to
purchase (long) or sell (short) an agreed amount of securities at a set price
for delivery on a future date. Upon entering into a financial futures contract,
the Series Fund is required to pledge to the broker an amount of cash and/or
other assets equal to a certain percentage of the contract amount. This amount
is known as the "initial margin". Subsequent
 
                                       C2
<PAGE>
payments, known as "variation margin", are made or received by the Series Fund
each day, depending on the daily fluctuations in the value of the underlying
security. Such variation margin is recorded for financial statement purposes on
a daily basis as unrealized gain or loss. When the contract expires or is
closed, the gain or loss is realized and is presented in the statement of
operations as net realized gain (loss) on financial futures contracts.
 
The Series Fund invests in financial futures contracts in order to hedge its
existing portfolio securities or securities the Series Fund intends to purchase,
against fluctuations in value. Under a variety of circumstances, the Series Fund
may not achieve the anticipated benefits of the financial futures contracts and
may realize a loss. The use of futures transactions involves the risk of
imperfect correlation in movements in the price of futures contracts and the
underlying assets.
 
SECURITIES TRANSACTIONS AND INVESTMENT INCOME:  Securities transactions are
recorded on the trade date. Realized gains and losses on sales of securities are
calculated on the identified cost basis. Dividend income is recorded on the
ex-dividend date; interest income, which is comprised of four elements: stated
coupon, original issue discount, market discount and market premium is recorded
on the accrual basis. Certain portfolios own shares of real estate investment
trusts ("REITs") which report information on the source of their distributions
annually. A portion of distributions received from REITs during the period is
estimated to be a return of capital and is recorded as a reduction of their
costs. During the year ended December 31, 1997, certain Portfolios purchased
securities from and sold securities to other Portfolios of the Series Fund or
other funds or accounts managed by The Prudential or its affiliates in
accordance with the provisions of Rule 17a-7 of the Investment Company Act of
1940. Expenses are recorded on the accrual basis which may require the use of
certain estimates by management. The Series Fund expenses are allocated to the
respective Portfolios on the basis of relative net assets except for expenses
that are charged directly at a Portfolio level.
 
CUSTODY FEE CREDITS:  The Series Fund, exclusive of the Global Portfolio, has an
arrangement with its custodian bank, whereby uninvested monies earn credits
which reduce the fees charged by the custodian. Such custody fee credits are
presented as a reduction of gross expenses in the accompanying Statement of
Operations.
 
TAXES:  For federal income tax purposes, each portfolio in the Series Fund is
treated as a separate taxpaying entity. It is the intent of the Series Fund to
continue to meet the requirements of the Internal Revenue Code applicable to
regulated investment companies and to distribute all of its net income to
shareholders. Therefore, no federal income tax provision is required.
 
Withholding taxes on foreign dividends, interest and capital gains have been
provided for in accordance with the Series Fund's understanding of the
applicable country's tax rules and regulations.
 
DIVIDENDS AND DISTRIBUTIONS:  Dividends and distributions of each Portfolio are
declared in cash and automatically reinvested in additional shares of the Fund.
The Money Market Portfolio will declare and reinvest dividends from net
investment income and net realized capital gain (loss) daily. Each other
Portfolio will declare and distribute dividends from net investment income, if
any, quarterly and net capital gains, if any, at least annually. Dividends and
distributions are recorded on the ex-dividend date.
 
Income distributions and capital gain distributions are determined in accordance
with income tax regulations which may differ from generally accepted accounting
principles.
 
RECLASSIFICATION OF CAPITAL ACCOUNTS:  The Series Fund accounts for and reports
distributions to shareholders in accordance with the American Institute of
Certified Public Accountants' Statement of Position 93-2: Determination,
Disclosure, and Financial Statement Presentation of Income, Capital Gains, and
Return of Capital Distributions by Investment Companies. As a result of this
statement, the Series Fund changed the classification of distributions to
shareholders to disclose the amounts of undistributed net investment income and
accumulated net realized gain (loss) on investments available for distributions
determined in accordance with income tax regulations. For the fiscal year ended
December 31, 1997, the application of this statement increased (decreased) net
unrealized appreciation on investments ("APP"), paid-in capital in excess of par
 
                                       C3
<PAGE>
("PC"), undistributed net investment income ("UNI") and accumulated net realized
gains (losses) on investments ("GL") by the following amounts:
 
<TABLE>
<CAPTION>
                                            APP         PC          UNI          G/L
                                         ----------  ---------  -----------  -----------
<S>                                      <C>         <C>        <C>          <C>
Conservative Balanced Portfolio........          --  $  33,509  $    48,752  $   (82,261)
Flexible Managed Portfolio.............          --         --      625,749     (625,749)
High Yield Bond Portfolio..............  $ (227,243)        --      337,328     (110,085)
Equity Income Portfolio................          --   (387,527)      (2,921)     390,448
Equity Portfolio.......................          --         --      247,917     (247,917)
Global Portfolio.......................          --   (903,000)   6,950,576   (6,047,576)
</TABLE>
 
Net investment income, net realized gains and net assets were not affected by
these reclassifications.
 
NOTE 3:  AGREEMENTS
 
The Series Fund has an investment advisory agreement with The Prudential.
Pursuant to this agreement The Prudential has responsibility for all investment
advisory services and supervises the subadvisers' performance of such services.
The Prudential has entered into a service agreement with The Prudential
Investment Corporation ("PIC"), which provides that PIC will furnish to The
Prudential such services as The Prudential may require in connection with the
performance of its obligations under the investment advisory agreement with the
Series Fund. In addition, The Prudential has entered into a subadvisory
agreement with Jennison Associates LLC ("Jennison"), under which Jennison
furnishes investment advisory services in connection with the management of the
Prudential Jennison Portfolio. The Prudential compensates Jennison for its
services as follows: 0.75% on the first $10 million of that Portfolio's average
daily net assets, 0.50% on the next $30 million, 0.35% on the next $25 million,
0.25% on the next $335 million, 0.22% on the next $600 million and 0.20%
thereafter. The Prudential pays for the cost of PIC's services, compensation of
officers of the Series Fund, occupancy and certain clerical and administrative
expenses of the Series Fund. The Series Fund bears all other costs and expenses.
 
The investment advisory fee paid The Prudential is computed daily and payable
quarterly, at the annual rates specified below of the value of each of the
Portfolio's average daily net assets.
 
<TABLE>
<CAPTION>
                 Fund                    Investment Advisory Fee
- ---------------------------------------  ------------------------
<S>                                      <C>
Money Market Porfolio..................             0.40%
Diversified Bond Portfolio.............             0.40
Government Income Portfolio............             0.40
Conservative Balanced Portfolio........             0.55
Flexible Managed Portfolio.............             0.60
High Yield Bond Portfolio..............             0.55
Stock Index Portfolio..................             0.35
Equity Income Portfolio................             0.40
Equity Portfolio.......................             0.45
Prudential Jennison Portfolio..........             0.60
Global Portfolio.......................             0.75
</TABLE>
 
The Prudential has agreed to refund to a Portfolio (other than the Global
Portfolio), the portion of the investment advisory fee for that Portfolio equal
to the amount that the aggregate annual ordinary operating expenses (excluding
interest, taxes and brokerage commissions) exceeds 0.75% of the Portfolio's
average daily net assets. No refund was required for the fiscal year ended
December 31, 1997.
 
PIC and Jennison are indirect, wholly-owned subsidiaries of The Prudential.
 
The Series Fund entered into a credit agreement (the "Agreement") on October 28,
1997 with an unaffiliated lender. The maximum commitment under the Agreement is
$250,000,000. The Agreement expires on December 18, 1998. Interest on any such
borrowings outstanding will be at market rates. The purpose of the Agreement is
to serve as an alternative source of funding for capital share redemptions. The
Series Fund has not borrowed any amounts pursuant to the Agreement as of
December 31, 1997. The Series Fund pays a commitment fee at an annual rate of
 .055 of 1% on the unused portion of the credit facility. The commitment fee is
accrued and paid quarterly by the Series Fund.
 
                                       C4
<PAGE>
NOTE 4:  OTHER TRANSACTIONS WITH AFFILIATES
 
For the fiscal year ended December 31, 1997, Prudential Securities Incorporated,
an indirect, wholly-owned subsidiary of The Prudential, earned $1,080,605 in
brokerage commissions from transactions executed on behalf of the following
Portfolios:
 
<TABLE>
<CAPTION>
                 Fund                    Commission
- ---------------------------------------  -----------
<S>                                      <C>
Conservative Balanced Portfolio........  $  256,752
Flexible Managed Portfolio.............     428,008
Equity Income Portfolio................     198,726
Equity Portfolio.......................     189,498
Global Portfolio.......................       7,621
                                         -----------
                                         $1,080,605
</TABLE>
 
NOTE 5:  JOINT REPURCHASE AGREEMENT ACCOUNT
 
The Portfolios of the Series Fund (excluding Global Portfolio) may transfer
uninvested cash balances into a single joint repurchase agreement account, the
daily aggregate balance of which is invested in one or more repurchase
agreements collateralized by U.S. Government obligations. The Series Fund's
undivided interest in the joint repurchase agreement account represented
$1,038,519,000 as of December 31, 1997. The Portfolios of the Series Fund with
cash invested in the joint accounts had the following principal amounts and
percentage participation in the account:
 
<TABLE>
<CAPTION>
                                            Principal     Percentage
                                             Amount        Interest
                                         ---------------  ----------
<S>                                      <C>              <C>
Diversified Bond Portfolio.............  $    45,329,000      4.37%
Government Income Portfolio............       13,337,000      1.28
Conservative Balanced Portfolio........       81,783,000      7.88
Flexible Managed Portfolio.............      137,860,000     13.28
High Yield Bond Portfolio..............       15,691,000      1.51
Stock Index Portfolio..................       98,176,000      9.45
Equity Income Portfolio................       98,435,000      9.48
Equity Portfolio.......................      490,528,000     47.23
Prudential Jennison Portfolio..........       27,931,000      2.69
All other portfolios (currently not
  available to Group Discovery
  Select)..............................       29,449,000      2.83
                                         ---------------  ----------
                                         $ 1,038,519,000    100.00%
</TABLE>
 
As of such date, each repurchase agreement in the joint account and the
collateral therefor were as follows:
 
CIBC Oppenheimer, 6.10%, in the principal amount of $138,519,000, repurchase
price $138,566,045, due 1/2/98. The value of the collateral including accrued
interest was $141,862,492.
 
Salomon Smith Barney Inc., 6.75%, in the principal amount of $300,000,000,
repurchase price $300,112,500, due 1/2/98. The value of the collateral including
accrued interest was $306,560,575.
 
SBC Warburg Dillon Read Inc., 6.50%, in the principal amount of $300,000,000,
repurchase price $300,108,333, due 1/2/98. The value of the collateral including
accrued interest was $306,557,797.
 
UBS Securities Corp., 6.55%, in the principal amount of $300,000,000, repurchase
price $300,109,167, due 1/2/98. The value of the collateral including accrued
interest was $306,001,638.
 
                                       C5
<PAGE>
NOTE 6:  PORTFOLIO SECURITIES
 
The aggregate cost of purchases and the proceeds from the sales of securities
(excluding short-term issues) for the fiscal year ended December 31, 1997 were
as follows:
 
Cost of Purchases:
 
<TABLE>
<CAPTION>
                                                                                                                        High
                                                              Government       Conservative         Flexible            Yield
                                         Diversified Bond       Income           Balanced            Managed            Bond
                                         ----------------   ---------------  -----------------  -----------------  ---------------
<S>                                      <C>                <C>              <C>                <C>                <C>
Non-Government.........................   $ 945,035,546      $   32,595,904   $  7,826,155,071   $  8,194,217,051   $  621,811,073
Government.............................   $ 698,725,477      $  339,764,606   $  5,017,442,019   $  3,054,412,991         0
</TABLE>
 
<TABLE>
<CAPTION>
                                             Stock         Equity                      Prudential
                                             Index         Income         Equity        Jennison        Global
                                         -------------  -------------  -------------  -------------  -------------
<S>                                      <C>            <C>            <C>            <C>            <C>
Non-Government.........................  $ 403,642,905  $ 740,428,728  $ 867,315,279  $ 372,363,033  $ 444,118,554
Government.............................        0        $  30,617,187        0              0              0
</TABLE>
 
Proceeds from Sales:
 
<TABLE>
<CAPTION>
                                                                                                                        High
                                                              Government       Conservative         Flexible            Yield
                                         Diversified Bond       Income           Balanced            Managed            Bond
                                         ----------------   ---------------  -----------------  -----------------  ---------------
<S>                                      <C>                <C>              <C>                <C>                <C>
Non-Government.........................   $ 874,682,352      $   45,532,205   $  7,823,232,061   $  8,576,103,609   $  493,219,610
Government.............................   $ 748,008,571      $  378,144,111   $  5,106,797,609   $  3,018,431,969         0
</TABLE>
 
<TABLE>
<CAPTION>
                                            Stock         Equity                      Prudential
                                            Index         Income         Equity        Jennison        Global
                                         ------------  -------------  -------------  -------------  -------------
<S>                                      <C>           <C>            <C>            <C>            <C>
Non-Government.........................  $ 93,393,476  $ 578,561,955  $ 566,041,815  $ 200,408,743  $ 430,051,852
Government.............................       0        $  31,762,500        0              0              0
</TABLE>
 
The federal income tax basis and unrealized appreciation (depreciation) of the
Fund's investments as of December 31, 1997 were as follows:
 
<TABLE>
<CAPTION>
                                                                                                                        High
                                                              Government       Conservative         Flexible            Yield
                                         Diversified Bond       Income           Balanced            Managed            Bond
                                         ----------------   ---------------  -----------------  -----------------  ---------------
<S>                                      <C>                <C>              <C>                <C>                <C>
Gross Unrealized Appreciation..........   $  30,167,647      $   13,268,358   $    311,261,405   $    565,581,079   $   21,326,564
Gross Unrealized Depreciation..........      17,570,453                  --        111,299,483        149,894,627       10,398,413
Total Net Unrealized...................      12,597,194          13,268,358        199,961,922        415,686,452       10,928,151
Tax Basis..............................     790,688,975         411,381,627      4,496,062,195      5,055,701,095      551,773,633
</TABLE>
 
<TABLE>
<CAPTION>
                                              Stock           Equity                         Prudential
                                              Index           Income           Equity         Jennison        Global
                                         ---------------  ---------------  ---------------  -------------  -------------
<S>                                      <C>              <C>              <C>              <C>            <C>
Gross Unrealized Appreciation..........  $ 1,004,558,128  $   531,904,089  $ 1,911,479,018  $  91,141,747  $ 144,895,851
Gross Unrealized Depreciation..........       20,055,024       32,407,877       84,670,946     11,774,207     28,770,132
Total Net Unrealized...................      984,503,104      499,496,212    1,826,808,072     79,367,540    116,125,719
Tax Basis..............................    1,468,430,760    1,533,057,472    4,198,636,403    427,492,211    501,984,495
</TABLE>
 
For federal income tax purposes, the following Portfolios had capital loss
carryforwards as of December 31, 1997. Accordingly, no capital gain
distributions are expected to be paid to shareholders until net gains have been
realized in excess of such amounts:
 
<TABLE>
<CAPTION>
                                          Capital Losses     Capital Losses
                                           Carryforwards     Carryforwards
                                         Utilized in 1997      Available      Expiration Year
                                         -----------------   --------------   ----------------
<S>                                      <C>                 <C>              <C>
Government Income Portfolio............     $    649,746      $ 7,267,545            2003
High Yield Bond Portfolio..............       12,940,997        6,390,479            2003
Prudential Jennison Portfolio..........        2,160,575               --
</TABLE>
 
                                       C6
<PAGE>
FINANCIAL HIGHLIGHTS
 
<TABLE>
<CAPTION>
                                                           MONEY MARKET
                                         ------------------------------------------------
                                                            Year ended
                                                           December 31,
                                         ------------------------------------------------
                                           1997      1996    1995(a)   1994(a)   1993(a)
                                         --------  --------  --------  --------  --------
<S>                                      <C>       <C>       <C>       <C>       <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $  10.00  $  10.00  $  10.00  $  10.00  $  10.00
                                         --------  --------  --------  --------  --------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income and realized and
  unrealized gains.....................      0.54      0.51      0.56      0.40      0.29
Dividends and distributions............     (0.54)    (0.51)    (0.56)    (0.40)    (0.29)
                                         --------  --------  --------  --------  --------
Net Asset Value, end of year...........  $  10.00  $  10.00  $  10.00  $  10.00  $  10.00
                                         --------  --------  --------  --------  --------
                                         --------  --------  --------  --------  --------
TOTAL INVESTMENT RETURN:(b)............      5.41%     5.22%     5.80%     4.05%     2.95%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................    $657.5    $668.8    $613.3    $583.3    $474.7
Ratios to average net assets:
  Expenses.............................      0.43%     0.44%     0.44%     0.47%     0.45%
  Net investment income................      5.28%     5.10%     5.64%     4.02%     2.90%
</TABLE>
 
<TABLE>
<CAPTION>
                                                         DIVERSIFIED BOND
                                         ------------------------------------------------
                                                            Year ended
                                                           December 31,
                                         ------------------------------------------------
                                           1997      1996    1995(a)   1994(a)   1993(a)
                                         --------  --------  --------  --------  --------
<S>                                      <C>       <C>       <C>       <C>       <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $  11.07  $  11.31  $  10.04  $  11.10  $  10.83
                                         --------  --------  --------  --------  --------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income..................      0.80      0.76      0.76      0.68      0.68
Net realized and unrealized gains
  (losses) on investments..............      0.11     (0.27)     1.29     (1.04)     0.40
                                         --------  --------  --------  --------  --------
    Total from investment operations...      0.91      0.49      2.05     (0.36)     1.08
                                         --------  --------  --------  --------  --------
LESS DISTRIBUTIONS:
Dividends from net investment income...     (0.83)    (0.73)    (0.75)    (0.68)    (0.66)
Distributions from net realized
  gains................................     (0.13)       --     (0.03)    (0.02)    (0.15)
                                         --------  --------  --------  --------  --------
    Total distributions................     (0.96)    (0.73)    (0.78)    (0.70)    (0.81)
                                         --------  --------  --------  --------  --------
Net Asset Value, end of year...........  $  11.02  $  11.07  $  11.31  $  10.04  $  11.10
                                         --------  --------  --------  --------  --------
                                         --------  --------  --------  --------  --------
TOTAL INVESTMENT RETURN:(b)............      8.57%     4.40%    20.73%    (3.23)%    10.13%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................    $816.7    $720.2    $655.8    $541.6    $576.2
Ratios to average net assets:
  Expenses.............................      0.43%     0.45%     0.44%     0.45%     0.46%
  Net investment income................      7.18%     6.89%     7.00%     6.41%     6.05%
Portfolio turnover rate................       224%      210%      199%       32%       41%
</TABLE>
 
(a) Calculations are based on average month-end shares outstanding.
 
(b) Total investment return is calculated assuming a purchase of shares on the
    first day and a sale on the last day of each year reported and includes
    reinvestment of dividends and distributions.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       D1
<PAGE>
FINANCIAL HIGHLIGHTS
 
<TABLE>
<CAPTION>
                                                        GOVERNMENT INCOME
                                         ------------------------------------------------
                                                            Year ended
                                                           December 31,
                                         ------------------------------------------------
                                           1997      1996    1995(a)   1994(a)   1993(a)
                                         --------  --------  --------  --------  --------
<S>                                      <C>       <C>       <C>       <C>       <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $  11.22  $  11.72  $  10.46  $  11.78  $  11.09
                                         --------  --------  --------  --------  --------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income..................      0.75      0.75      0.74      0.70      0.70
Net realized and unrealized gains
  (losses) on investments..............      0.30     (0.51)     1.28     (1.31)     0.68
                                         --------  --------  --------  --------  --------
    Total from investment operations...      1.05      0.24      2.02     (0.61)     1.38
                                         --------  --------  --------  --------  --------
LESS DISTRIBUTIONS:
Dividends from net investment income...     (0.75)    (0.74)    (0.76)    (0.71)    (0.64)
Dividends in excess of net investment
  income...............................        --        --        --        --     (0.05)
                                         --------  --------  --------  --------  --------
    Total distributions................     (0.75)    (0.74)    (0.76)    (0.71)    (0.69)
                                         --------  --------  --------  --------  --------
Net Asset Value, end of year...........  $  11.52  $  11.22  $  11.72  $  10.46  $  11.78
                                         --------  --------  --------  --------  --------
                                         --------  --------  --------  --------  --------
TOTAL INVESTMENT RETURN:(b)............      9.67%     2.22%    19.48%    (5.16)%    12.56%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................    $429.6    $482.0    $501.8    $487.6    $540.1
Ratios to average net assets:
  Expenses.............................      0.44%     0.46%     0.45%     0.45%     0.46%
  Net investment income................      6.40%     6.38%     6.55%     6.30%     5.91%
Portfolio turnover rate................        88%       95%      195%       34%       19%
</TABLE>
 
<TABLE>
<CAPTION>
                                                         CONSERVATIVE BALANCED
                                         -----------------------------------------------------
                                                              Year ended
                                                             December 31,
                                         -----------------------------------------------------
                                           1997       1996      1995(a)    1994(a)    1993(a)
                                         ---------  ---------  ---------  ---------  ---------
<S>                                      <C>        <C>        <C>        <C>        <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $   15.52  $   15.31  $   14.10  $   14.91  $   14.24
                                         ---------  ---------  ---------  ---------  ---------
INCOME FROM INVESTMENT OPERATIONS
Net investment income..................       0.76       0.66       0.63       0.53       0.49
Net realized and unrealized gains
  (losses) on investments..............       1.26       1.24       1.78      (0.68)      1.23
                                         ---------  ---------  ---------  ---------  ---------
    Total from investment operations...       2.02       1.90       2.41      (0.15)      1.72
                                         ---------  ---------  ---------  ---------  ---------
LESS DISTRIBUTIONS:
Dividends from net investment income...      (0.76)     (0.66)     (0.64)     (0.51)     (0.47)
Dividends in excess of net investment
  income...............................         --      (1.03)     (0.56)     (0.15)     (0.58)
Distributions from net realized
  gains................................      (1.81)        --         --         --         --
                                         ---------  ---------  ---------  ---------  ---------
    Total distributions................      (2.57)     (1.69)     (1.20)     (0.66)     (1.05)
                                         ---------  ---------  ---------  ---------  ---------
Net Asset Value, end of year...........  $   14.97  $   15.52  $   15.31  $   14.10  $   14.91
                                         ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------
TOTAL INVESTMENT RETURN:(b)............      13.45%     12.63%     17.27%     (0.97)%     12.20%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................   $4,744.2   $4,478.8   $3,940.8   $3,501.1   $3,103.2
Ratios to average net assets:
  Expenses.............................       0.56%      0.59%      0.58%      0.61%      0.60%
  Net investment income................       4.48%      4.13%      4.19%      3.61%      3.22%
Portfolio turnover rate................        295%       295%       201%       125%        79%
Average commission rate paid per
  share................................    $0.0563    $0.0554        N/A        N/A        N/A
</TABLE>
 
(a) Calculations are based on average month-end shares outstanding.
 
(b) Total investment return is calculated assuming a purchase of shares on the
    first day and a sale on the last day of each year reported and includes
    reinvestment of dividends and distributions.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       D2
<PAGE>
FINANCIAL HIGHLIGHTS
 
<TABLE>
<CAPTION>
                                                           FLEXIBLE MANAGED
                                         -----------------------------------------------------
                                                              Year ended
                                                             December 31,
                                         -----------------------------------------------------
                                           1997       1996      1995(a)    1994(a)    1993(a)
                                         ---------  ---------  ---------  ---------  ---------
<S>                                      <C>        <C>        <C>        <C>        <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $   17.79  $   17.86  $   15.50  $   16.96  $   16.01
                                         ---------  ---------  ---------  ---------  ---------
INCOME FROM INVESTMENT OPERATIONS
Net investment income..................       0.59       0.57       0.56       0.47       0.57
Net realized and unrealized gains
  (losses) on investments..............       2.52       1.79       3.15      (1.02)      1.88
                                         ---------  ---------  ---------  ---------  ---------
    Total from investment operations...       3.11       2.36       3.71      (0.55)      2.45
                                         ---------  ---------  ---------  ---------  ---------
LESS DISTRIBUTIONS:
Dividends from net investment income...      (0.58)     (0.58)     (0.56)     (0.45)     (0.57)
Dividends in excess of net investment
  income...............................         --      (1.85)     (0.79)     (0.46)     (0.93)
Distributions from net realized
  gains................................      (3.04)        --         --         --         --
                                         ---------  ---------  ---------  ---------  ---------
    Total distributions................      (3.62)     (2.43)     (1.35)     (0.91)     (1.50)
                                         ---------  ---------  ---------  ---------  ---------
Net Asset Value, end of year...........  $   17.28  $   17.79  $   17.86  $   15.50  $   16.96
                                         ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------
TOTAL INVESTMENT RETURN:(b)............      17.96%     13.64%     24.13%     (3.16)%     15.58%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................   $5,490.1   $4,896.9   $4,261.2   $3,481.5   $3,292.2
Ratios to average net assets:
  Expenses.............................       0.62%      0.64%      0.63%      0.66%      0.66%
  Net investment income................       3.02%      3.07%      3.30%      2.90%      3.30%
Portfolio turnover rate................        227%       233%       173%       124%        63%
Average commission rate paid per
  share................................    $0.0569    $0.0563        N/A        N/A        N/A
</TABLE>
 
<TABLE>
<CAPTION>
                                                         HIGH YIELD BOND
                                         ------------------------------------------------
                                                            Year Ended
                                                           December 31,
                                         ------------------------------------------------
                                           1997      1996    1995(a)   1994(a)   1993(a)
                                         --------  --------  --------  --------  --------
<S>                                      <C>       <C>       <C>       <C>       <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $   7.87  $   7.80  $   7.37  $   8.41  $   7.72
                                         --------  --------  --------  --------  --------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income..................      0.78      0.80      0.81      0.87      0.82
Net realized and unrealized gains
  (losses) on investments..............      0.26      0.06      0.46     (1.10)     0.63
                                         --------  --------  --------  --------  --------
    Total from investment operations...      1.04      0.86      1.27     (0.23)     1.45
                                         --------  --------  --------  --------  --------
LESS DISTRIBUTIONS:
Dividends from net investment income...     (0.77)    (0.78)    (0.84)    (0.81)    (0.76)
Dividends in excess of net investment
  income...............................        --     (0.01)       --        --        --
                                         --------  --------  --------  --------  --------
    Total distributions................     (0.77)    (0.79)    (0.84)    (0.81)    (0.76)
                                         --------  --------  --------  --------  --------
Net Asset Value, end of year...........  $   8.14  $   7.87  $   7.80  $   7.37  $   8.41
                                         --------  --------  --------  --------  --------
                                         --------  --------  --------  --------  --------
TOTAL INVESTMENT RETURN:(b)............     13.78%    11.39%    17.56%    (2.72)%    19.27%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................    $568.7    $432.9    $367.9    $306.2    $282.9
Ratios to average net assets:
  Expenses.............................      0.57%     0.63%     0.61%     0.65%     0.65%
  Net investment income................      9.78%     9.89%    10.34%     9.88%     9.91%
Portfolio turnover rate................       106%       88%      139%       69%       96%
</TABLE>
 
(a) Calculations are based on average month-end shares outstanding.
 
(b) Total investment return is calculated assuming a purchase of shares on the
    first day and a sale on the last day of each year reported and includes
    reinvestment of dividends and distributions.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       D3
<PAGE>
FINANCIAL HIGHLIGHTS
 
<TABLE>
<CAPTION>
                                                             STOCK INDEX
                                         ---------------------------------------------------
                                                             Year Ended
                                                            December 31,
                                         ---------------------------------------------------
                                           1997       1996      1995(a)   1994(a)   1993(a)
                                         ---------  ---------  ---------  --------  --------
<S>                                      <C>        <C>        <C>        <C>       <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $   23.74  $   19.96  $   14.96  $  15.20  $  14.22
                                         ---------  ---------  ---------  --------  --------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income..................       0.43       0.40       0.40      0.38      0.36
Net realized and unrealized gains
  (losses) on investments..............       7.34       4.06       5.13     (0.23)     1.00
                                         ---------  ---------  ---------  --------  --------
    Total from investment operations...       7.77       4.46       5.53      0.15      1.36
                                         ---------  ---------  ---------  --------  --------
LESS DISTRIBUTIONS:
Dividends from net investment income...      (0.42)     (0.40)     (0.38)    (0.37)    (0.35)
Distributions from net realized
  gains................................      (0.87)     (0.28)     (0.15)    (0.02)    (0.03)
                                         ---------  ---------  ---------  --------  --------
    Total distributions................      (1.29)     (0.68)     (0.53)    (0.39)    (0.38)
                                         ---------  ---------  ---------  --------  --------
Net Asset Value, end of year...........  $   30.22  $   23.74  $   19.96  $  14.96  $  15.20
                                         ---------  ---------  ---------  --------  --------
                                         ---------  ---------  ---------  --------  --------
TOTAL INVESTMENT RETURN:(b)............      32.83%     22.57%     37.06%     1.01%     9.66%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................   $2,448.2   $1,581.4   $1,031.3    $664.5    $615.1
Ratios to average net assets:
  Expenses.............................       0.37%      0.40%      0.38%     0.42%     0.42%
  Net investment income................       1.55%      1.95%      2.27%     2.50%     2.43%
Portfolio turnover rate................          5%         1%         1%        2%        1%
Average commission rate paid per
  share................................    $0.0235    $0.0250        N/A       N/A       N/A
</TABLE>
 
<TABLE>
<CAPTION>
                                                            EQUITY INCOME
                                         ---------------------------------------------------
                                                             Year Ended
                                                            December 31,
                                         ---------------------------------------------------
                                           1997       1996      1995(a)   1994(a)   1993(a)
                                         ---------  ---------  ---------  --------  --------
<S>                                      <C>        <C>        <C>        <C>       <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $   18.51  $   16.27  $   14.48  $  15.66  $  13.67
                                         ---------  ---------  ---------  --------  --------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income..................       0.61       0.58       0.64      0.67      0.55
Net realized and unrealized gains
  (losses) on investments..............       6.06       2.88       2.50     (0.45)     2.46
                                         ---------  ---------  ---------  --------  --------
    Total from investment operations...       6.67       3.46       3.14      0.22      3.01
                                         ---------  ---------  ---------  --------  --------
LESS DISTRIBUTIONS:
Dividends from net investment income...      (0.57)     (0.71)     (0.62)    (0.56)    (0.50)
Distributions from net realized
  gains................................      (2.22)     (0.51)     (0.73)    (0.82)    (0.52)
                                         ---------  ---------  ---------  --------  --------
    Total distributions................      (2.79)     (1.22)     (1.35)    (1.38)    (1.02)
                                         ---------  ---------  ---------  --------  --------
Net Asset Value, end of year...........  $   22.39  $   18.51  $   16.27  $  14.50  $  15.66
                                         ---------  ---------  ---------  --------  --------
                                         ---------  ---------  ---------  --------  --------
TOTAL INVESTMENT RETURN:(b)............      36.61%     21.74%     21.70%     1.44%    22.28%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................   $2,029.8   $1,363.5   $1,110.0    $859.7    $602.8
Ratios to average net assets:
  Expenses.............................       0.41%      0.45%      0.43%     0.52%     0.54%
  Net investment income................       2.90%      3.36%      4.00%     3.92%     3.56%
Portfolio turnover rate................         38%        21%        64%       63%       41%
Average commission rate paid per
  share................................    $0.0566    $0.0553        N/A       N/A       N/A
</TABLE>
 
(a) Calculations are based on average month-end shares outstanding.
 
(b) Total investment return is calculated assuming a purchase of shares on the
    first day and a sale on the last day of each year reported and includes
    reinvestment of dividends and distributions.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       D4
<PAGE>
FINANCIAL HIGHLIGHTS
 
<TABLE>
<CAPTION>
                                                                EQUITY
                                         -----------------------------------------------------
                                                              Year ended
                                                             December 31,
                                         -----------------------------------------------------
                                           1997       1996      1995(a)    1994(a)    1993(a)
                                         ---------  ---------  ---------  ---------  ---------
<S>                                      <C>        <C>        <C>        <C>        <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $   26.96  $   25.64  $   20.66  $   21.49  $   18.90
                                         ---------  ---------  ---------  ---------  ---------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income..................       0.69       0.71       0.55       0.51       0.42
Net realized and unrealized gains on
  investments..........................       5.88       3.88       5.89       0.05       3.67
                                         ---------  ---------  ---------  ---------  ---------
    Total from investment operations...       6.57       4.59       6.44       0.56       4.09
                                         ---------  ---------  ---------  ---------  ---------
LESS DISTRIBUTIONS:
Dividends from net investment income...      (0.70)     (0.67)     (0.52)     (0.49)     (0.40)
Distribution from net realized gains...      (1.76)     (2.60)     (0.94)     (0.90)     (1.10)
                                         ---------  ---------  ---------  ---------  ---------
    Total distributions................      (2.46)     (3.27)     (1.46)     (1.39)     (1.50)
                                         ---------  ---------  ---------  ---------  ---------
Net Asset Value, end of year...........  $   31.07  $   26.96  $   25.64  $   20.66  $   21.49
                                         ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------
TOTAL INVESTMENT RETURN:(b)............      24.66%     18.52%     31.29%      2.78%     21.87%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................   $6,024.0   $4,814.0   $3,813.8   $2,617.8   $2,186.5
Ratios to average net assets:
  Expenses.............................       0.46%      0.50%      0.48%      0.55%      0.53%
  Net investment income................       2.27%      2.54%      2.28%      2.39%      1.99%
Portfolio turnover rate................         13%        20%        18%         7%        13%
Average commission rate paid per
  share................................    $0.0336    $0.0524        N/A        N/A        N/A
</TABLE>
 
<TABLE>
<CAPTION>
                                                    PRUDENTIAL JENNISON
                                         -----------------------------------------
                                             Year Ended
                                            December 31,       APRIL 25, 1995(d)
                                         ------------------           to
                                           1997      1996    December 31, 1995(a)
                                         --------  --------  ---------------------
<S>                                      <C>       <C>       <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of period...  $  14.32  $  12.55         $  10.00
                                         --------  --------         --------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income..................      0.04      0.02             0.02
Net realized and unrealized gains on
  investments..........................      4.48      1.78             2.54
                                         --------  --------         --------
    Total from investment operations...      4.52      1.80             2.56
                                         --------  --------         --------
LESS DISTRIBUTIONS:
Dividends from net investment income...     (0.04)    (0.03)           (0.01)
Distributions from net realized
  gains................................     (1.07)       --               --
                                         --------  --------         --------
    Total distributions................     (1.11)    (0.03)           (0.01)
                                         --------  --------         --------
Net Asset Value, end of period.........  $  17.73  $  14.32         $  12.55
                                         --------  --------         --------
                                         --------  --------         --------
TOTAL INVESTMENT RETURN:(b)............     31.71%    14.41%           24.20%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of period (in
  millions)............................    $495.9    $226.5            $63.1
Ratios to average net assets:
  Expenses.............................      0.64%     0.66%            0.79%(c)
  Net investment income................      0.25%     0.20%            0.15%(c)
Portfolio turnover rate................        60%       46%              37%
Average commission rate paid per
  share................................   $0.0590   $0.0603              N/A
</TABLE>
 
(a) Calculations are based on average month-end shares outstanding.
 
(b) Total investment return is calculated assuming a purchase of shares on the
    first day and a sale on the last day of each period reported and includes
    reinvestment of dividends and distributions. Total investment returns for
    less than a full year are not annualized.
 
(c) Annualized
 
(d) Commencement of operations
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       D5
<PAGE>
 
<TABLE>
<CAPTION>
                                                              GLOBAL
                                         ------------------------------------------------
                                                            Year Ended
                                                           December 31,
                                         ------------------------------------------------
                                           1997      1996    1995(a)   1994(a)   1993(a)
                                         --------  --------  --------  --------  --------
<S>                                      <C>       <C>       <C>       <C>       <C>
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, beginning of year.....  $  17.85  $  15.53  $  13.88  $  14.64  $  10.37
                                         --------  --------  --------  --------  --------
INCOME FROM INVESTMENT OPERATIONS:
Net investment income..................      0.09      0.11      0.06      0.02      0.02
Net realized and unrealized gains
  (losses) on investments..............      1.11      2.94      2.14     (0.74)     4.44
                                         --------  --------  --------  --------  --------
    Total from investment operations...      1.20      3.05      2.20     (0.72)     4.46
                                         --------  --------  --------  --------  --------
LESS DISTRIBUTIONS:
Dividends from net investment income...     (0.13)    (0.11)    (0.24)    (0.02)    (0.08)
Dividends in excess of net investment
  income...............................     (0.10)       --        --        --        --
Distributions from net realized
  gains................................     (0.90)    (0.62)    (0.31)    (0.02)    (0.11)
                                         --------  --------  --------  --------  --------
    Total distributions................     (1.13)    (0.73)    (0.55)    (0.04)    (0.19)
                                         --------  --------  --------  --------  --------
Net Asset Value, end of year...........  $  17.92  $  17.85  $  15.53  $  13.88  $  14.64
                                         --------  --------  --------  --------  --------
                                         --------  --------  --------  --------  --------
TOTAL INVESTMENT RETURN:(b)............      6.98%    19.97%    15.88%    (4.89)%    43.14%
RATIOS/SUPPLEMENTAL DATA:
Net assets, end of year (in
  millions)............................    $638.4    $580.6    $400.1    $345.7    $129.1
Ratios to average net assets:
  Expenses.............................      0.85%     0.92%     1.06%     1.23%     1.44%
  Net investment income................      0.47%     0.64%     0.44%     0.20%     0.18%
Portfolio turnover rate................        70%       41%       59%       37%       55%
Average commission rate paid per
  share................................   $0.0247   $0.0358       N/A       N/A       N/A
</TABLE>
 
(a) Calculations are based on average month-end shares outstanding.
 
(b) Total investment return is calculated assuming a purchase of shares on the
    first day and a sale on the last day of each year reported and includes
    reinvestment of dividends and distributions.
 
                       SEE NOTES TO FINANCIAL STATEMENTS.
 
                                       D6
<PAGE>
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
TO THE BOARD OF DIRECTORS AND SHAREHOLDERS OF THE PRUDENTIAL SERIES FUND, INC.:
 
In our opinion, the accompanying statement of assets and liabilities, including
the schedule of investments, and the related statements of operations and of
changes in net assets and the financial highlights present fairly, in all
material respects, the financial position of the Money Market, Diversified Bond,
Government Income, Conservative Balanced, Flexible Managed, High Yield Bond,
Stock Index, Equity Income, Equity, Prudential Jennison and Global Portfolios
(eleven of the fifteen portfolios that constitute The Prudential Series Fund,
Inc.; the "Portfolios") at December 31, 1997, the results of each of their
operations for the year then ended, and the changes in each of their net assets
and financial highlights for each of the two years in the period then ended, in
conformity with generally accepted accounting principles. These financial
statements and financial highlights (hereafter referred to as "financial
statements") are the responsibility of the Portfolios' management; our
responsibility is to express an opinion on these financial statements based on
our audits. We conducted our audits of these financial statements in accordance
with generally accepted auditing standards which require that we plan and
perform the audit to obtain reasonable assurance about whether the financial
statements are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements, assessing the accounting principles used and significant estimates
made by management, and evaluating the overall financial statement presentation.
We believe that our audits, which included confirmation of securities at
December 31, 1997 by correspondence with the custodian and brokers and the
application of alternative auditing procedures where confirmations from brokers
were not received, provide a reasonable basis for the opinion expressed above.
The financial highlights of the Prudential Jennison Portfolio for the period
April 25, 1995 through December 31, 1995 and the financial highlights for each
of the three years in the period ended December 31, 1995 for each of the other
ten portfolios were audited by other independent accountants whose report
thereon dated February 15, 1996 expressed an unqualified opinion on those
financial highlights.
 
PRICE WATERHOUSE LLP
1177 Avenue of the Americas
New York, NY 10036
February 13, 1998
 
                                       E1
<PAGE>
                                TAX INFORMATION
 
    Although we understand that the vast majority, if not all, of the
shareholders/contract holders of the Series Fund currently maintain a tax
deferred status, we are nevertheless required by the Internal Revenue Code to
advise you within 60 days of the Series Fund's fiscal year end (December 31,
1997) as to the federal tax status of dividends paid by the Fund during such
fiscal year. Accordingly, we are advising you that in 1997, the Fund paid
dividends as follows:
 
<TABLE>
<CAPTION>
                                         ORDINARY DIVIDENDS
- ----------------------------------------------------------------------------------------------------
                                                                        LONG-TERM CAPITAL GAINS
                                                                    --------------------------------     TOTAL
                                        INCOME                        TAXED @ 28%      TAXED @ 20%     DIVIDENDS
                                      -----------                   ---------------  ---------------  -----------
                                                     SHORT-TERM
                                                    CAPITAL GAINS
                                                   ---------------
<S>                                   <C>          <C>              <C>              <C>              <C>
Money Market Portfolio..............   $   0.540             --               --               --      $   0.540
Diversified Bond Portfolio..........       0.827      $   0.079        $   0.053               --          0.959
Government Income Portfolio.........       0.750             --               --               --          0.750
Conservative Balanced Portfolio.....       0.759          0.585            0.356            0.874          2.574
Flexible Managed Portfolio..........       0.585          0.856            1.016            1.168          3.625
High Yield Bond Portfolio...........       0.773             --               --               --          0.773
Stock Index Portfolio...............       0.422          0.068            0.024            0.771          1.285
Equity Income Portfolio.............       0.565          0.016            0.508            1.699          2.788
Equity Portfolio....................       0.704          0.150            0.682            0.930          2.466
Prudential Jennison Portfolio.......       0.041          0.069            0.488            0.509          1.107
Global Portfolio....................       0.230             --            0.301            0.595          1.126
</TABLE>
 
                                       E2
<PAGE>
BOARD OF
DIRECTORS               THE PRUDENTIAL SERIES FUND, INC.
 
MENDEL A. MELZER, CFA      W. SCOTT McDONALD, JR.,    E. MICHAEL CAULFIELD
  CHAIRMAN,                  Ph.D.                      CEO,
  THE PRUDENTIAL SERIES      PRINCIPAL,                 PRUDENTIAL INVESTMENTS,
  FUND, INC.                 KALUDIS CONSULTING         PRESIDENT, THE
                             GROUP                      PRUDENTIAL SERIES FUND,
                                                        INC.
 
          SAUL K. FENSTER, Ph.D.             JOSEPH WEBER, Ph.D.
            PRESIDENT, NEW JERSEY              VICE PRESIDENT,
            INSTITUTE OF TECHNOLOGY            INTERCLASS
                                               (INTERNATIONAL
                                               CORPORATE LEARNING)


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