EATON VANCE MUTUAL FUNDS TRUST
N-30D, 1999-03-10
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<PAGE>
 

[LOGO OF EATON VANCE     Mutual Funds               [PHOTO OF STATUE OF LIBERTY
 APPEARS HERE]           For People                  APPEARS HERE]
                         Who Pay
                         Taxes

                                  EATON VANCE
                                  TAX-MANAGED
                                    GROWTH
                                     FUND

Annual Report December 31, 1998


[PHOTO OF WALL STREET SIGN POST
 APPEARS HERE]



[PHOTO OF CALCULATOR & FORM 1120 INCOME TAX
 APPEARS HERE]

<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

- --------------------------------------------------------------------------------
LETTER TO SHAREHOLDERS
- --------------------------------------------------------------------------------

[PHOTO OF JAMES B. HAWKES
 APPEARS HERE]

James B. Hawkes
President


The fiscal year-end for Eaton Vance Tax-Managed Growth Fund has changed from
October 31 to December 31. In the two-month period from October 31, 1998 to
December 31, 1998, Eaton Vance Tax-Managed Growth Fund had a total return of
13.4% for Class A shares, 13.2% for Class B shares, and 13.2% for Class C
shares. /1/ For Class A, this return resulted from an increase in net asset
value (NAV) to $19.44 per share on December 31, 1998 from $17.15 per share on
October 31, 1998. For Class B, NAV increased to $19.10 from $16.87, and for
Class C, to $18.38 from $16.24. These returns compared very favorably to the
average total return in the Lipper Growth Funds Category, which was 14.6% during
the same period.*

Dramatic volatility characterized the market this year ...

This year saw unprecedented extremes in the stock market. After posting heavy
losses from August to early October, the stock market performed strongly in the
fourth quarter. Investor confidence, bolstered by the Federal Reserve Board's
interest rate cuts, modest economic growth, and low inflation, kept stock
valuations relatively high, despite the signs of weakness in corporate profits.
By year-end, all major indices had continued an impressive 4-year streak of
double-digit gains.

 ...While providing opportunities for the tax-conscious investor...

In such a turbulent environment, most actively managed mutual funds not focused
specifically on tax efficiency typically had a high rate of turnover and,
subsequently, higher taxable distributions to shareholders. Eaton Vance
Tax-Managed Growth Fund, however, aims to provide high after-tax returns, and
its management employs a style that is consistent with this objective.

Volatility in the stock market can be troubling, but Eaton Vance believes that,
as a normal and even healthy part of the investment process, it can also present
good opportunities for long-term investors. Beginning on the following page,
Portfolio Manager Duncan W. Richardson discusses the past 12 months and offers
his outlook for the year ahead.


                                              Sincerely,
                                              James B. Hawkes


                                              /s/ James B. Hawkes

                                              President       
                                              February 1, 1999


- --------------------------------------------------------------------------------
Fund Information 
as of December 31, 1998

Performance/2/                                       Class A   Class B   Class C
- --------------------------------------------------------------------------------
Average Annual Total Returns (at net asset value) 
- --------------------------------------------------------------------------------
One Year                                               25.4%     24.5%    24.3%
Life of Fund+                                          27.4      26.4     28.7

SEC Average Annual Total Returns (including sales charge or applicable CDSC)
- --------------------------------------------------------------------------------
One Year                                               18.2%     19.5%    23.3%
Life of Fund+                                          24.7      25.5     28.7

+Inception dates: Class A and Class B: 3/28/96; Class C: 8/2/96


Ten Largest Equity Holdings/3/
- --------------------------------------------------------------------------------
By total net assets

Lexmark International Group, Inc.                                       2.1%
Xerox Corp.                                                             1.8 
Home Depot, Inc. (The)                                                  1.8
Albertson's, Inc.                                                       1.7
Automatic Data Processing, Inc.                                         1.7
SunAmerica, Inc.                                                        1.7
Unilever ADR                                                            1.6
Omnicom Group, Inc.                                                     1.5
Johnson & Johnson Co.                                                   1.5
Gillette Co.                                                            1.5

* It is not possible to invest directly in a Lipper Category or an Index.
/1/These returns do not include the 5.75% maximum sales charge for the Fund's
Class A shares or the applicable contingent deferred sales charges (CDSC) for
Class B and Class C shares. /2/ Returns are historical and are calculated by
determining the percentage change in net asset value with all distributions
reinvested. SEC returns for Class A reflect the maximum 5.75% sales charge. SEC
returns for Class B reflect applicable CDSC based on the following schedule: 5%
 - 1st and 2nd years; 4% - 3rd year; 3% - 4th year; 2% - 5th year; 1% - 6th 
year. SEC 1-Year return for Class C reflects 1% CDSC. /3/ As of 12/31/98. Ten
largest holdings accounted for 16.9% of the Portfolio's investments. Holdings
are subject to change. Past performance is no guarantee of future results.
Investment return and principal value will fluctuate so that shares, when
redeemed, may be worth more or less than their original cost.

- --------------------------------------------------------------------------------
Mutual fund shares are not insured by the FDIC and are not deposits or other
obligations of, or guaranteed by, any depository institution. Shares are subject
to investment risks, including possible loss of principal invested.
- --------------------------------------------------------------------------------

                                       2
<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

- --------------------------------------------------------------------------------
MANAGEMENT DISCUSSION
- --------------------------------------------------------------------------------

An interview with Duncan W. Richardson, 
Vice President and Portfolio Manager of 
Tax-Managed Growth Portfolio


[PHOTO OF DUNCAN W. RICHARDSON
 APPEARS HERE]

Duncan W. Richardson
Portfolio Manager

Q:   Duncan, what can you tell us about the extreme highs and lows of the stock
     market over the past year?

A:   The market volatility that began in 1997 was amplified in 1998. At this
     time last year, we were talking about the concern that the Asian economies
     would be collapsing. That fear turned out to be well-founded, but the U.S.
     market rallied dramatically between January and April. An already high
     valuation range for stocks was stretched to historic levels. With higher
     valuation levels comes higher risk. In this environment, any external shock
     can have an amplified effect on the market. We have seen overreactions to
     political developments, the economic slowdowns overseas, the risk of
     currency devaluations, and the deflationary threat. All have swung the
     market wildly in the past year.

Q:   How did the Portfolio perform in this context?

A:   Overall, we have continued to do quite well despite increasing volatility
     in the marketplace. Year in and year out, our goal is to be in the top
     quintile of pre-tax performance for all growth funds, and the top decile
     for after-tax performance. 
     
     Our Fund "corrected" in line with the rest of the market. While it slightly
     lagged the S&P 500 Index for the year, we've actually done better than some
     of our more aggressive competitors whose portfolios are more concentrated,
     that is, less diversified, than ours. Our style tends to benefit from some
     volatility.

Q:   Is there one factor that drives the performance of this Portfolio?

A:   The performance of the Portfolio can't be attributed to one particular
     stock or one particular sector. How the Portfolio performs depends more on
     our ability to correctly evaluate the earnings potential of scores of
     quality growth companies. We have an extremely well-seasoned team of
     analysts, averaging 16 years of experience in their areas of research.
     Strong research is central to Eaton Vance's fundamental approach to growth
     stock investing.

     As a growth fund, we look for companies with a history of strong earnings
     and future growth potential. We are disciplined and don't want to overpay
     for earnings that might not be delivered. The turbulent economic
     environment around the world puts corporate earnings at risk. Companies
     have been lowering their guidance for earnings, and as a result there have
     been some dramatic devaluations of individual stocks and sectors. We have
     used this near-term fear and uncertainty to our advantage, taking the
     opportunity to invest when our favored stocks were "on sale."

     We are patient in accumulating positions in companies that can grow their
     earnings over a 5-year investment horizon. An "ideal" entry point is one
     where we have the expectation of the stock doubling over a 5-year period. A
     good example of this is Gillette Corporation, in which we have built a
     position over the past several months. We've been able to buy it recently
     at prices where we think it makes a good deal of long-term investment
     sense.

Q:   How do you decide when to sell a stock? 

A:   Our "selling discipline" is a key factor in the success of our management
     style. As a rule, we seek to avoid selling highly appreciated securities
     that would result in capital gains. Generally, if the market price of a
     purchased stock in the Portfolio has underperformed by 10% or more from our
     tax cost, we will consider selling the stock and taking a loss. This is a
     good investment practice to preserve capital and it also makes sense with
     regard to taxes. Taking a limited loss by selling stock allows us


                                       3
<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

- --------------------------------------------------------------------------------
MANAGEMENT DISCUSSION
- --------------------------------------------------------------------------------

     to offset gains taken elsewhere, thereby limiting or eliminating any yearly
     capital gains distributions.

     Selling an underperforming stock gives us a better perspective from which
     to reevaluate both our original investment case and the company's current
     fundamentals. Often, with emotion-driven volatility, we've had
     opportunities to buy back a stock at a lower price than when we sold it. We
     generally want to own stocks for a minimum of five years, so we can easily
     sit out of an investment for 30 days. Our selling discipline helps keep the
     Fund in the right investments at the right prices and add to the tax
     efficiency of our results.

Q:   What about a selling discipline for your "winners?" 

A:   As a rule, we try not to sell highly appreciated securities that would
     result in capital gains. That said, if an individual stock grows to
     constitute too large a portion of the Portfolio, or if there has been a
     deterioration in the company's fundamentals, I will generally try to lower
     the Portfolio's exposure to that stock. We make every effort to ensure that
     any gains are taken from the most favorable tax lots. This is to minimize
     any annual distributions to our shareholders.

Q:   Earlier you referred to the Portfolio as more diversified than some of its
     competitors. Would you elaborate?

A:   Certainly. There are other funds that focus more on specific sectors and
     have higher concentrations in individual stocks. However, we don't
     radically overweight or underweight any particular sector, and our top
     holdings tend to be less concentrated versus other funds. We view
     diversification as a partial shock absorber. Equity investors must take
     some market risk in order to participate in the higher returns equities can
     offer, but my mantra for this Fund is "No unnecessary risks." We attempt to
     minimize our stock-specific and sector-specific risks.

     Our active management style is another factor that distinguishes this
     Portfolio from passively managed index funds and other "momentum"-style
     funds. A passive fund "automatically" buys securities based on market
     capitalizations, without regard to fundamentals or prices. Active
     management allows us to try to take advantage of market volatility, rather
     than become a victim of it.

Q:   What can you tell us about one of the Portfolio's top holdings, Automatic
     Data Processing, Inc.?

A:   This is a great example of a growth stock. We believe that over the long
     haul, stock prices follow earnings. ADP has one of the best track records
     for double-digit earnings growth, and we believe that the earnings stream
     will continue to grow. As a long-term investor, that's exactly what we're
     looking for.. As long as the company's growth continues, we will remain as
     investors. While the stock has done well, at less than 2% of the Portfolio,
     I'm not yet worried about too much stock-specific risk in Automatic Data,
     especially since its fundamentals have remained on track.

Q:   It seems there has been an increased awareness of tax-managed investing
     lately. Why is that so?

A:   Thinking about taxes is something people should do more than once or twice
     a year. In many mutual funds, high equity returns over the past few years,
     combined with an increase in momentum-driven, high-turnover portfolio
     management, have produced enormous taxable distributions. Taxable investors
     have seen huge tax bills drag down their actual mutual fund returns over
     the past three or four years. This year could be even more interesting and
     painful. It may be a lower-return year, but market volatility has led to a
     lot more turnover in many funds, which may kick out high distributions
     despite modest returns.

     New mutual fund rating organizations have realized that the tax efficiency
     of funds is very important to investors with assets outside of

                                       4
<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

- --------------------------------------------------------------------------------
MANAGEMENT DISCUSSION
- --------------------------------------------------------------------------------

     qualified plans. The after-tax performance difference between a fund that
     is tax-efficient and one that is not can be more than 2% per year. This may
     not sound like much, but, compounded over a long period of time, the
     difference between losing 2% in taxes every year versus deferring those
     taxes and allowing those returns to compound tax-free, can be substantial.

Q:   What is Eaton Vance's background in tax-managed investing?

A:   Eaton Vance has incorporated the principles of tax-managed investing for
     private clients for decades. We have been managing mutual funds that focus
     on after-tax returns for over 30 years. There are several other tax-managed
     funds starting up, but none have Eaton Vance's depth of experience in using
     an active management, research-driven approach. Tax-Managed Growth
     Portfolio is the largest pool of actively managed, tax-efficient mutual
     fund assets in the industry. The principles of tax-efficient investing
     guide our general investment approach for building wealth for our clients
     over a long period of time: 1) having exposure to the equity market, which
     historically has provided the highest inflation-adjusted returns; 2)
     holding on to companies whose business and earnings can continue to grow;
     and 3) taking losses early to preserve capital.

Q:   What do you see happening in the year ahead?

A:   Well, I can essentially repeat my comments from last year, when I predicted
     somewhat lower equity returns in 1998 and more volatility in the stock
     market. Historically high valuations and the dominance of many passive and
     short-term investors in the market should ensure continued volatility. We
     continue to anticipate a levelling off of equity market returns to the
     historic average of 10% per year. It's important to remember that stock
     prices will reflect the earnings power of individual companies, and
     evaluating these earnings, not predicting markets, is our main focus.

     We expect that downside earnings surprises will continue to play a role
     through 1999, especially in certain industries as companies spend an
     increasing amount to fix the Year 2000 computer problem. There are a number
     of other potentially negative influences on corporate earnings that will
     require constant monitoring by our research staff. Overall, we will aim to
     keep the Portfolio's volatility low through its diversified structure and
     our buy and sell disciplines.

     Our entire research staff and I remain grateful to our fellow shareholders,
     new and old, for their continued participation in Tax-Managed Growth
     Portfolio. Those who purchased shares recently have had a bumpy few
     quarters. As always, our goal is to make the best risk/reward investment
     decisions in any market environment that we encounter. Long-term investing
     success takes patience and persistence, and we are pleased that our
     shareholders have placed their confidence in us to help them meet their
     objectives.

                                       5
<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

- --------------------------------------------------------------------------------
FUND PERFORMANCE
- --------------------------------------------------------------------------------
Comparison of Change in Value of a $10,000 Investment in
Eaton Vance Tax-Managed Growth Fund, Class A vs.
Standard & Poor's 500 Index* 

March 31, 1996 -- December 31, 1998

    Date               Fund/NAV               Fund/MOP             S&P 500
    ----               --------               --------             -------

 3/31/96                $10,000                 $9,422             $10,000
 4/30/96                $10,282                 $9,687             $10,154
 5/31/96                $10,503                 $9,896             $10,405
 6/30/96                $10,543                 $9,934             $10,448
 7/31/96                $10,050                 $9,469              $9,991
 8/31/96                $10,342                 $9,744             $10,199
 9/30/96                $10,956                $10,322             $10,772
10/31/96                $11,237                $10,588             $11,073
11/30/96                $12,042                $11,346             $11,905
12/31/96                $11,831                $11,147             $11,669
 1/31/97                $12,525                $11,801             $12,403
 2/28/97                $12,435                $11,716             $12,496
 3/31/97                $12,052                $11,355             $11,982
 4/30/97                $12,676                $11,943             $12,703
 5/31/97                $13,471                $12,692             $13,467
 6/30/97                $14,090                $13,275             $14,073
 7/31/97                $15,227                $14,346             $15,194
 8/31/97                $14,583                $13,739             $14,342
 9/30/97                $15,378                $14,489             $15,126
10/31/97                $14,816                $13,959             $14,626
11/30/97                $15,250                $14,368             $15,299
12/31/97                $15,644                $14,739             $15,561
 1/31/98                $15,704                $14,796             $15,739
 2/28/98                $16,956                $15,975             $16,868
 3/31/98                $17,773                $16,746             $17,730
 4/30/98                $18,076                $17,031             $17,914
 5/31/98                $17,521                $16,508             $17,599
 6/30/98                $18,187                $17,135             $18,316
 7/31/98                $17,773                $16,746             $18,126
 8/31/98                $15,179                $14,302             $15,506
 9/30/98                $16,169                $15,234             $16,497
10/31/98                $17,309                $16,308             $17,837
11/30/98                $18,207                $17,154             $18,918
12/31/98                $19,620                $18,486             $20,007

Comparison of Change in Value of a $10,000 Investment in
Eaton Vance Tax-Managed Growth Fund, Class B vs.
Standard & Poor's 500 Index* 
                      
March 31, 1996 -- December 31, 1998

    Date                Fund/NAV                 S&P 500
    ----                --------                 -------

 3/31/96                 $10,000                 $10,000
 4/30/96                 $10,272                 $10,154
 5/31/96                 $10,503                 $10,405
 6/30/96                 $10,543                 $10,448
 7/31/96                 $10,040                  $9,991
 8/31/96                 $10,332                 $10,199
 9/30/96                 $10,936                 $10,772
10/31/96                 $11,217                 $11,073
11/30/96                 $12,002                 $11,905
12/31/96                 $11,781                 $11,669
 1/31/97                 $12,465                 $12,403
 2/28/97                 $12,374                 $12,496
 3/31/97                 $11,992                 $11,982
 4/30/97                 $12,596                 $12,703
 5/31/97                 $13,360                 $13,467
 6/30/97                 $13,954                 $14,073
 7/31/97                 $15,060                 $15,194
 8/31/97                 $14,416                 $14,342
 9/30/97                 $15,191                 $15,126
10/31/97                 $14,638                 $14,626
11/30/97                 $15,060                 $15,299
12/31/97                 $15,433                 $15,561
 1/31/98                 $15,483                 $15,739
 2/28/98                 $16,700                 $16,868
 3/31/98                 $17,495                 $17,730
 4/30/98                 $17,787                 $17,914
 5/31/98                 $17,233                 $17,599
 6/30/98                 $17,877                 $18,316
 7/31/98                 $17,455                 $18,126
 8/31/98                 $14,909                 $15,506
 9/30/98                 $15,855                 $16,497
10/31/98                 $16,972                 $17,837
11/30/98                 $17,847                 $18,918
12/31/98                 $19,215                 $20,007

Performance+                                         Class A   Class B   Class C
- --------------------------------------------------------------------------------
Average Annual Total Returns (at net asset value) 
One Year                                               25.4%     24.5%    24.3%
Life of Fund+                                          27.4      26.4     28.7

SEC Average Annual Total Returns (including sales charge or applicable CDSC)
One Year                                               18.2%     19.5%    23.3%
Life of Fund+                                          24.7      25.5     28.7

+Inception dates: Class A and Class B: 3/28/96; Class C: 8/2/96

*    Source: Towers Data Systems, Bethesda, MD. Investment operations commenced
     3/28/96. Index information is available only at month-end; therefore, the
     line comparison begins at the next month-end following the commencement of
     the Fund's investment operations. Past performance is no guarantee of
     future results. Investment return and principal fluctuate so that shares,
     when redeemed, may be worth more or less their original cost.

     The chart compares the Fund's total return with that of the S&P 500 Index,
     a broad-based unmanaged index of 500 common stocks. Returns are calculated
     by determining the percentage change in net asset value (NAV) with all
     distributions reinvested. The lines on the chart represent the total
     returns of $10,000 hypothetical investments in the Fund and the S&P 500
     Index. An investment in the Fund's Class C shares on 8/31/96 at net asset
     value would have grown to $18,510 on December 31, 1998. The Index's total
     return does not reflect any commissions or expenses that would have been
     incurred if an investor individually purchased or sold the securities
     represented in the Index. It is not possible to invest directly in an
     Index.

+    Returns are historical and are calculated by determining the percentage
     change in net asset value with all distributions reinvested. SEC returns
     for Class A reflect the maximum 5.75% sales charge. SEC returns for Class B
     reflect applicable CDSC based on the following schedule: 5% - 1st and 2nd
     years; 4% - 3rd year; 3% - 4th year; 2% - 5th year; 1% - 6th year. SEC
     1-Year return for Class C reflects 1% CDSC. 

     Past performance is no guarantee of future results. Investment return and
     principal value will fluctuate so that shares, when redeemed, may be worth
     more or less than their original cost.

**   This figure represents the performance of the Fund's Class B shares,
     including the Fund's applicable CDSC charge.


                                       6
<PAGE>


Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

FINANCIAL STATEMENTS

Statement of Assets and Liabilities

<TABLE> 
<CAPTION> 

As of December 31, 1998                                                                 
Assets                                                                                  
- ----------------------------------------------------------------------------------------
<S>                                                                   <C> 
Investment in Tax-Managed Growth Portfolio, at value
      (identified cost, $2,956,300,610)                               $   3,681,217,704 
Receivable for Fund shares sold                                              20,195,971 
Deferred organization expenses                                                   51,062 
- ----------------------------------------------------------------------------------------
Total assets                                                          $   3,701,464,737 
- ----------------------------------------------------------------------------------------


Liabilities                                                                             
- ----------------------------------------------------------------------------------------
Payable for Fund shares redeemed                                      $       3,604,367 
Payable to affiliate for Trustees' fees                                             672 
Other accrued expenses                                                          857,907 
- ----------------------------------------------------------------------------------------
Total liabilities                                                     $       4,462,946 
- ----------------------------------------------------------------------------------------
Net Assets                                                            $   3,697,001,791 
- ----------------------------------------------------------------------------------------


Sources of Net Assets                                                                   
- ----------------------------------------------------------------------------------------
Paid-in capital                                                       $   3,020,858,472 
Accumulated net realized loss from Portfolio 
     (computed on the basis of identified cost)                             (48,773,775)
Net unrealized appreciation from Portfolio 
     (computed on the basis of identified cost)                             724,917,094 
- ----------------------------------------------------------------------------------------
Total                                                                 $   3,697,001,791 
- ----------------------------------------------------------------------------------------


Class A Shares                                                                          
- ----------------------------------------------------------------------------------------
Net Assets                                                            $     852,966,627 
Shares Outstanding                                                           43,871,370 
Net Asset Value and Redemption Price Per Share                                          
     (net assets / shares of beneficial interest outstanding)         $           19.44 
Maximum Offering Price Per Share                                                        
     (100 / 94.25 of $19.44)                                          $           20.63 
- ----------------------------------------------------------------------------------------


Class B Shares                                                                          
- ----------------------------------------------------------------------------------------
Net Assets                                                            $   2,196,794,024 
Shares Outstanding                                                          115,011,676 
Net Asset Value, Offering Price and Redemption Price Per Share
     (net assets / shares of beneficial interest outstanding)         $           19.10 
- ----------------------------------------------------------------------------------------


Class C Shares                                                                          
- ----------------------------------------------------------------------------------------
Net Assets                                                            $     647,241,140 
Shares Outstanding                                                           35,219,744 
Net Asset Value, Offering Price and Redemption Price Per                                
     Share
     (net assets / shares of beneficial interest outstanding)         $           18.38 
- ----------------------------------------------------------------------------------------
On sales of $50,000 or more, the offering price of Class A shares is reduced.

<CAPTION> 

Statement of Operations

Investment                              Period Ended                Year Ended
Income                                  December 31, 1998 (1)       October 31, 1998    
- ----------------------------------------------------------------------------------------
<S>                                     <C>                         <C> 
Dividends allocated from
     Portfolio (net of foreign
     taxes, $65,124 and
     $204,585 respectively)                  $     5,149,399            $    20,819,186 
Interest allocated from Portfolio                  1,448,111                  4,512,363 
Expenses allocated from Portfolio                 (2,647,940)                (9,893,499)
- ----------------------------------------------------------------------------------------
Net investment income from Portfolio         $     3,949,570            $    15,438,050 
- ----------------------------------------------------------------------------------------


Expenses                                                                                
- ----------------------------------------------------------------------------------------
Trustees fees and expenses                   $           652            $         2,987 
Distribution and service fees                                                          
     Class A                                          86,398                    290,289 
     Class B                                       2,695,422                  9,981,917 
     Class C                                         968,423                  3,341,182 
Transfer and dividend disbursing
     agent fees                                      313,689                  1,819,786 
Registration fees                                     55,084                    179,128 
Printing and postage                                  33,891                    123,496 
Legal and accounting services                         13,124                     17,802 
Custodian fee                                         10,043                     32,662 
Amortization of organization expenses                  3,389                     20,168 
Miscellaneous                                         14,029                    110,786 
- ----------------------------------------------------------------------------------------
Total expenses                               $     4,194,144            $    15,920,203 
- ----------------------------------------------------------------------------------------

Net investment loss                          $      (244,574)           $      (482,153)
- ----------------------------------------------------------------------------------------


Realized and Unrealized
Gain (Loss) from Portfolio                                                              
- ----------------------------------------------------------------------------------------
Net realized gain (loss) --                                                              
- ----------------------------------------------------------------------------------------
     Investment transactions
         (identified cost basis)             $     6,720,816            $   (54,618,739)
- ----------------------------------------------------------------------------------------
Net realized gain (loss)                     $     6,720,816            $   (54,618,739)
- ----------------------------------------------------------------------------------------
Change in unrealized
     appreciation (depreciation) --                                       
     Investments                             $   410,650,491            $   217,424,667 
- ----------------------------------------------------------------------------------------
Net change in unrealized
     appreciation (depreciation)             $   410,650,491            $   217,424,667 
- ----------------------------------------------------------------------------------------

Net realized and unrealized gain             $   417,371,307            $   162,805,928 
- ----------------------------------------------------------------------------------------

Net increase in net assets
     from operations                         $   417,126,733            $   162,323,775 
- ----------------------------------------------------------------------------------------
</TABLE> 

(1) For the two-month period ended December 31, 1998.

                       See notes to financial statements

                                       7
<PAGE>

Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

FINANCIAL STATEMENTS CONT'D

Statements of Changes in Net Assets

<TABLE> 
<CAPTION> 
                                                                       Period Ended            Year Ended           Year Ended
Increase (Decrease) in Net Assets                                      December 31, 1998(1)    October 31, 1998     October 31, 1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                    <C>                     <C>                  <C> 
From operations --                                                                                                                  
      Net investment loss                                               $       (244,574)      $       (482,153)     $     (425,855)
      Net realized gain (loss)                                                 6,720,816            (54,618,739)           (444,646)
      Net change in unrealized appreciation (depreciation)                   410,650,491            217,424,667          57,375,366 
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase in net assets from operations                              $    417,126,733       $    162,323,775      $   56,504,865 
- ------------------------------------------------------------------------------------------------------------------------------------
Transactions in shares of beneficial interest --                                                                                   
      Proceeds from sale of shares                                                                                                  
           Class A                                                      $     84,520,914       $    523,912,788      $          --  
           Class B                                                           172,886,300          1,222,858,520         460,965,429 
           Class C                                                            62,414,262            396,976,810                 --  
      Issued in reorganization of EV Traditional and EV                                                            
       Classic Tax-Managed Growth Fund                                                                             
           Class A                                                                   --             201,987,148                 --  
           Class C                                                                   --             148,819,397                 --  
      Cost of shares redeemed                                                                                                       
           Class A                                                           (17,417,295)           (74,448,821)                --  
           Class B                                                           (25,909,442)           (96,831,316)        (20,373,856)
           Class C                                                           (10,498,617)           (46,459,344)                --  
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase in net assets from Fund share transactions                 $    265,996,122       $  2,276,815,182      $  440,591,573 
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                   
Net increase in net assets                                              $    683,122,855       $  2,439,138,957      $  497,096,438 
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                   
                                                                                                                   
Net Assets                                                                                                                         
- ------------------------------------------------------------------------------------------------------------------------------------
At beginning of period                                                  $  3,013,878,936       $    574,739,979      $   77,643,541 
- ------------------------------------------------------------------------------------------------------------------------------------
At end of period                                                        $  3,697,001,791       $  3,013,878,936      $  574,739,979 
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                   
                                                                                                                   
Accumulated undistributed                                                                                          
net investment income                                                                                              
included in net assets                                                                                                             
- ------------------------------------------------------------------------------------------------------------------------------------
At end of period                                                        $            --        $            --       $          --  
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE> 

(1) For the two-month period ended December 31, 1998.

                       See notes to financial statements

                                       8
<PAGE>

Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

FINANCIAL STATEMENTS CONT'D

Financial Highlights

<TABLE> 
<CAPTION> 
                                                               Period Ended December 31,               Year Ended October 31,
                                                       ---------------------------------------    -------------------------------
                                                                      1998(1)(2)                              1998(2)       
                                                       ---------------------------------------    -------------------------------
                                                        Class A        Class B       Class C       Class A     Class B    Class C
- ---------------------------------------------------------------------------------------------------------------------------------
<S>                                                    <C>          <C>             <C>           <C>       <C>          <C> 
Net asset value -- Beginning of period                 $ 17.150     $   16.870      $ 16.240      $ 14.680  $   14.550   $ 14.030  
- ---------------------------------------------------------------------------------------------------------------------------------
                                                                                                                                   
                                                                                                                                   
Income (loss) from operations                                                                                                      
- ---------------------------------------------------------------------------------------------------------------------------------
Net investment income (loss)                           $  0.017     $   (0.005)     $ (0.011)     $  0.099  $   (0.027)  $ (0.053) 
Net realized and unrealized gain                          2.273          2.235         2.151         2.371       2.347      2.263  
- ---------------------------------------------------------------------------------------------------------------------------------
Total income from operations                           $  2.290     $    2.230      $  2.140      $  2.470  $    2.320   $  2.210  
- ---------------------------------------------------------------------------------------------------------------------------------
                                                                                                                                   
Net asset value -- End of period                       $ 19.440     $   19.100      $ 18.380      $ 17.150  $   16.870   $ 16.240  
- ---------------------------------------------------------------------------------------------------------------------------------
                                                                                                                                   
Total Return (4)                                          13.35%         13.22%        13.18%        16.83%      15.95%     15.75% 
- ---------------------------------------------------------------------------------------------------------------------------------
                                                                                                                                   
                                                                                                                                   
Ratios/Supplemental Data                                                                                                           
- ---------------------------------------------------------------------------------------------------------------------------------
Net assets, end of period (000's omitted)              $852,967     $2,196,794      $647,241      $689,283  $1,801,720   $522,877  
Ratios (As a percentage of average daily net assets):                                                                              
      Expenses (5)                                         0.62%(6)       1.37%(6)      1.55%(6)      0.67%       1.43%      1.59% 
      Net investment income (loss)                         0.56%(6)      (0.18)%(6)    (0.37)%(6)     0.59%      (0.16)%    (0.33)%
- ---------------------------------------------------------------------------------------------------------------------------------
<CAPTION> 

                                                          Year Ended October 31,
                                                       --------------------------
                                                           1997          1996(3)
                                                       -----------     ---------- 
                                                         Class B         Class B
- ---------------------------------------------------------------------------------
<S>                                                    <C>             <C> 
Net asset value -- Beginning of period                  $ 11.150         $10.000 
- ---------------------------------------------------------------------------------
                                                                                 
                                                                                 
Income (loss) from operations                                                    
- ---------------------------------------------------------------------------------
Net investment income (loss)                            $ (0.011)        $(0.003)
Net realized and unrealized gain                           3.411           1.153 
- ---------------------------------------------------------------------------------
Total income from operations                            $  3.400         $ 1.150 
- ---------------------------------------------------------------------------------
                                                                                 
Net asset value -- End of period                        $ 14.550         $11.150 
- ---------------------------------------------------------------------------------
                                                                                 
Total Return (4)                                           30.49%          11.50%
- ---------------------------------------------------------------------------------
                                                                                 
                                                                                 
Ratios/Supplemental Data                                                         
- ---------------------------------------------------------------------------------
Net assets, end of period (000's omitted)               $574,740         $77,644 
Ratios (As a percentage of average daily net assets):                            
      Expenses (5)                                          1.50%           1.63%(6) 
      Net investment income (loss)                         (0.15)%         (0.13)%(6)
- ---------------------------------------------------------------------------------
</TABLE> 

(1)  For the two-month period ended December 31, 1998.
(2)  Net investment income (loss) per share was computed using average shares
     outstanding.
(3)  For the period from the start of business, March 28, 1996, to October 31,
     1996.
(4)  Total return is calculated assuming a purchase at the net asset value on
     the first day and a sale at the net asset value on the last day of each
     period reported. Dividends and distributions, if any, are assumed
     reinvested at the net asset value on the reinvestment date. Total return is
     not computed on an annualized basis.
(5)  Includes the Fund's share of the Portfolio's allocated expenses.
(6)  Annualized.

                       See notes to financial statements

                                       9
<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

NOTES TO FINANCIAL STATEMENTS CONT'D


1 Significant Accounting Policies                                              
  --------------------------------------------------------------------------    
  Eaton Vance Tax-Managed Growth Fund (the Fund) is a diversified series of
  Eaton Vance Mutual Funds Trust (the Trust). The Trust is an entity of the type
  commonly known as a Massachusetts business trust and is registered under the
  Investment Company Act of 1940, as amended, as an open-end management
  investment company. The Fund offers three classes of shares. Class A shares
  are sold subject to a sales charge imposed at the time of purchase. Class B
  and Class C shares are sold at net asset value and are subject to a contingent
  deferred sales charge (see Note 6). All classes of shares have equal rights to
  assets and voting privileges. Realized and unrealized gains and losses and net
  investment income, other than class specific expenses, are allocated daily to
  each class of shares based on the relative net assets of each class to the
  total net assets of the Fund. Each class of shares differs in its distribution
  plan and certain other class specific expenses. The Fund invests all of its
  investable assets in interests in the Tax-Managed Growth Portfolio (the
  Portfolio), a New York Trust, having the same investment objective as the
  Fund. The value of the Fund's investment in the Portfolio reflects the Fund's
  proportionate interest in the net assets of the Portfolio (42.3% at December
  31, 1998). The performance of the Fund is directly affected by the performance
  of the Portfolio. The financial statements of the Portfolio, including the
  Portfolio of Investments, are included elsewhere in this report and should be
  read in conjunction with the Fund's financial statements.

  The following is a summary of significant accounting policies consistently
  followed by the Fund in, the preparation of its financial statements. The
  policies are in conformity with generally accepted accounting principles.

  A Investment Valuation -- Valuation of securities by the Portfolio is        
  discussed in Note 1A of the Portfolio's Notes to Financial Statements,       
  which are included elsewhere in this report.                                 
                                                                               
  B Income -- The Fund's net investment income consists of the Fund's pro      
  rata share of the net investment income the Portfolio, less all actual and    
  accrued expenses of the Fund determined in accordance with generally         
  accepted accounting principles.                                              
                                                                               
  C Federal Taxes -- The Fund's policy is to comply with the provisions of     
  the Internal Revenue Code applicable to regulated investment companies and    
  to distribute to shareholders, each year, all of its net investment income,
  and any net realized capital gains. Accordingly, no provision for federal    
  income or excise tax is necessary. At December 31, 1998 the Fund for         
  federal income tax purposes, had a capital loss carryover of $58,599,934     
  which will reduce taxable income arising from future net realized gains, if
  any, to the extent permitted by the Internal Revenue Code, and thus will     
  reduce the amount of distributions to shareholders which would otherwise be
  necessary to relieve the Fund of any liability for federal income or excise
  tax. A portion of such capital loss carryover was acquired through the Fund
  Reorganization (see Note 8) and may be subject to certain limitations. Such
  capital loss carryover will expire on December 31, 2006 ($56,075,499) and    
  December 31, 2005 ($2,524,435).                                              
                                                                               
  D Deferred Organization Expenses -- Costs incurred by the Fund in            
  connection with its organization are being amortized on the straight-line    
  basis over five years.                                                       
                                                                               
  E Other -- Investment transactions are accounted for on a trade date basis.
  Dividends to shareholders are recorded on the ex-dividend date.              
                                                                               
  F Use of Estimates -- The preparation of financial statements in             
  conformity with generally accepted accounting principles requires            
  management to make estimates and assumptions that affect the reported        
  amounts of assets and liabilities at the date of the financial statements    
  and the reported amounts of revenue and expense during the reporting         
  period. Actual results could differ from those estimates.                     

2 Distributions to Shareholders
  --------------------------------------------------------------------------
  The Fund's policy is to distribute annually (normally in December)            
  substantially all of the net investment income allocated to the Fund by       
  the Portfolio (less the Fund's direct expenses) and to distribute annually    
  all or substantially all of its net realized capital gains (reduced by any    
  available capital loss carryforwards from prior years) allocated by the       
  Portfolio to the Fund, if any. Distributions are paid in the form of          
  additional shares of the Fund or, at the election of the shareholder, in      
  cash. The Fund distinguishes between distributions on a tax basis and a       
  financial reporting basis. Generally accepted accounting principles           
  require that only distributions in excess of tax basis earnings and           
  profits be reported in the financial statements as a return of capital.       
  Differences in the recognition or classification of income between the 

                                       10
<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998 

NOTES TO FINANCIAL STATEMENTS CONT'D


  financial statements and tax earnings and profits which result in temporary
  over distributions for financial statement purposes only are classified as
  distributions in excess of net investment income or accumulated net realized
  gains. Permanent differences between book and tax accounting relating to
  distributions are reclassified to paid-in capital. During the year ended
  December 31, 1998, $244,574 was reclassified from accumulated net investment
  loss to paid-in capital due to permanent differences between book and tax
  accounting for operating losses. Additionally, $94 was reclassified from
  accumulated net realized loss from Portfolio to paid-in capital due to
  permanent differences between book and tax accounting for capital losses. Net
  investment loss, net realized gain on investment transactions and net assets
  were unaffected by these reclassifications.

3 Shares of Beneficial Interest
  --------------------------------------------------------------------------
  The Declaration of Trust permits the Trustees to issue an unlimited number
  of full and fractional shares of beneficial interest (without par value).
  Transactions in Fund shares were as follows:
                                                                           
                                Period Ended              Year Ended      
  Class A                       December 31, 1998(1)      October 31, 1998
  -------------------------------------------------------------------------
  Sales                                 4,641,455               30,965,178 
  Redemptions                            (957,899)              (4,534,563)
  Issued to EV Traditional                                                 
    Tax-Managed Growth                                                     
    Fund Shareholders                          --               13,757,199 
                                                                           
  -------------------------------------------------------------------------
  Net increase                          3,683,556               40,187,814 
  -------------------------------------------------------------------------
                                                                           
                                                   Year Ended October 31,  
                        Period Ended             --------------------------
  Class B               December 31, 1998(1)         1998         1997     
  -------------------------------------------------------------------------
                                                                           
  Sales                         9,665,097        73,217,473     34,049,891 
                                                                           
  Redemptions                  (1,447,425)       (5,928,292)    (1,509,922) 
  -------------------------------------------------------------------------
  Net increase                  8,217,672        67,289,181     32,539,969  
                                                                           
                                                                           
                                Period Ended               Year Ended      
  Class C                       December 31, 1998(1)       October 31, 1998
  -------------------------------------------------------------------------
                                                                           
  Sales                                 3,625,099                24,592,476 
                                                                           
  Redemptions                            (608,856)               (2,996,704)
  -------------------------------------------------------------------------
  Issued to EV Classic Tax-Managed Growth                                  
    Fund Shareholders                          --               
  -------------------------------------------------------------------------
  Net increase                          3,016,243                32,203,501  
  -------------------------------------------------------------------------

(1) For the two-month period ended December 31, 1998.


4 Transactions with Affiliates
  ---------------------------------------------------------------------------
  Eaton Vance Management (EVM) serves as the administrator of the Fund, but
  receives no compensation. The Portfolio has engaged Boston Management and
  Research (BMR), a subsidiary of EVM. See Note 2 of the Portfolio's Notes to
  Financial Statements which are included elsewhere in this report. Except for
  Trustees of the Fund who are not members of EVM's organization, officers and
  Trustees receive remuneration for their services to the Fund out of such
  management fee. Certain officers and Trustees of the Fund and the Portfolio
  are officers and directors/trustees of the above organizations (Note 5). Eaton
  Vance Distributors, Inc. (EVD), a subsidiary of EVM and the Fund's principal
  underwriter, received $353,816 and $2,265,177, as its portion of the sales
  charge on sales of Class A shares for the period from November 1, 1998 to
  December 31, 1998 and the year ended October 31, 1998, respectively.

5 Distribution and Service Plan
  ---------------------------------------------------------------------------
  The Fund has adopted a Service Plan for the Fund's Class A shares (the "Class
  A Plan") that is designed to meet the service fee requirements of the sales
  charge rule of the National Association of Securities Dealers, Inc. The Class
  A Plan provides that the Fund may make service fee payments for personal
  services and/or the maintenance of shareholder accounts to the Principal
  Underwriter, financial service firms ("Authorized Firms") and other persons in
  amounts not exceeding 0.25% of average daily net assets for Class A shares for
  any fiscal year. The Trustees have initially implemented the Class A Plan by
  authorizing Class A to make quarterly service fee payments to the Principal
  Underwriter and Authorized Firms in amounts not expected to exceed 0.25% of
  the average daily net assets for any fiscal year which is based on the value
  of Class A shares sold by such persons and remaining outstanding for at least
  twelve months. The Fund paid or accrued service fees to or payable to EVD for
  the period from November 1, 1998 to December 31, 1998 and for the year ended
  October 31, 1998, in the amounts of $86,398 and $290,289, respectively, for
  Class A shares.

  The Fund has also adopted distribution plans ("Class B Plan" and "Class C
  Plan", collectively "the Plans") pursuant to Rule 12b-1 under the Investment
  Company Act of 1940. The Plans, which are approved annually, require the Fund
  to pay the Principal Underwriter, Eaton Vance Distributors, Inc. (EVD) amounts
  equal to 1/365 of 0.75% of the Fund's Class B and Class C daily net assets,
  for providing ongoing distribution services and facilities to the Fund. The
  Fund

                                       11
<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998 

NOTES TO FINANCIAL STATEMENTS CONT'D


  will automatically discontinue payments to EVD during any period in which
  there are no outstanding Uncovered Distribution Charges, which are equivalent
  to the sum of (i) 5% and 6.25% of the aggregate amount received by the Fund
  for the Class B and Class C shares sold, respectively, plus (ii) interest
  calculated by applying the rate of 1% over the prevailing prime rate to the
  outstanding balance of Uncovered Distribution Charges of EVD of each
  respective class reduced by the aggregate amount of contingent deferred sales
  charges (see Note 6) and daily distribution fees theretofore paid to EVD by
  each respective class. The amount payable to EVD with respect to each day is
  accrued on such day as a liability of the Fund and, accordingly, reduces the
  Fund's net assets. For the period from November 1, 1998 to December 31, 1998
  and the year ended October 31, 1998, the Fund paid or accrued $2,481,872 and
  $9,091,696, respectively, to or payable to EVD representing 0.75% (annualized)
  of average daily net assets of Class B shares. Also, for the period from
  November 1, 1998 to December 31, 1998 and the year ended October 31, 1998, the
  Fund paid or accrued $726,317 and $2,538,292, respectively, to or payable to
  EVD representing 0.75% (annualized) of average daily net assets of Class C
  shares. At December 31, 1998, the amount of Uncovered Distribution Charges of
  EVD calculated under the Plans was approximately $80,291,000 and $34,443,000
  for Class B and Class C shares, respectively.

  In addition, the Plans authorize the Fund to make payments of service fees to
  EVD, Authorized Firms and other persons in amounts not exceeding 0.25% of
  their average daily net assets for each fiscal year. Service fee payments are
  made for personal services and/or the maintenance of shareholder accounts.
  Under the Class B Plan, this fee is paid quarterly in arrears based on the
  value of Class B shares sold by such persons and remaining outstanding for at
  least twelve months. Under the Class C Plan EVD currently expects to pay to an
  Authorized Firm (a) a service fee (except on exchange transactions and
  reinvestments) at the time of sale equal to 0.25% of the purchase price of the
  Class C shares sold by such Firm and (b) monthly service fees approximately
  equivalent to 1/12 of 0.25% of the value of Class C shares sold by such Firm
  and remaining outstanding for at least one year. During the first year after a
  purchase of Class C shares, EVD will retain the service fee as reimbursement
  for the service fee payment made to Authorized Firms at the time of sale. The
  Fund paid or accrued service fees to or payable to EVD for the period from
  November 1, 1998 to December 31, 1998 and the year ended October 31, 1998, in
  the amounts of $213,550 and $890,221, respectively, for Class B shares.

  Also, for the period from November 1, 1998 to December 31, 1998 and the year
  ended October 31, 1998, the Fund paid or accrued service fees to or payable to
  EVD in the amounts of $242,106 and $802,890, respectively, for Class C shares.
  Service fees are separate and distinct from the sales commissions and
  distribution fees payable by the Fund to EVD, and, as such are not subject to
  automatic discontinuance when there are no outstanding Uncovered Distribution
  Charges of EVD.

  Certain officers and Trustees of this fund are officers or directors of EVD.

6 Contingent Deferred Sales Charge
  ---------------------------------------------------------------------------
  A contingent deferred sales charge (CDSC) is imposed on any redemption of
  Class B shares made within six years of purchase. A CDSC is imposed on certain
  Class C shares redeemed within one year of purchase. Generally, the CDSC is
  based upon the lower of the net asset value at date of redemption or date of
  purchase. No charge is levied on shares acquired by reinvestment of dividends
  or capital gains distributions. Class B CDSC is imposed at declining rates
  that begin at 5% in the case of redemptions in the first and second year after
  purchase, declining one percentage point each subsequent year. Class C shares
  will be subject to a 1% CDSC if redeemed within one year of purchase. No CDSC
  is levied on shares which have been sold to EVM or its affiliates or to their
  respective employees or clients. CDSC charges are paid to EVD to reduce the
  amount of Uncovered Distribution Charges calculated under each Fund's
  Distribution Plan (see Note 5). CDSC charges received when no Uncovered
  Distribution Charges exist will be credited to the Fund. EVD received
  approximately $649,000 and $46,000 of CDSC paid by shareholders for Class B
  shares and Class C shares, respectively, for the period from November 1, 1998
  to December 31, 1998, and $1,991,000 and $151,000 of CDSC paid by shareholders
  for Class B and Class C shares, respectively, for the year ended October 31,
  1998.

7 Investment Transactions
  ---------------------------------------------------------------------------
  Increases and decreases in the Fund's investment in the Portfolio aggregated
  $317,147,474 and $58,296,937, respectively, for the period from November 1,
  1998 to December 31, 1998, and $2,136,885,354 and $230,002,510, respectively
  for the year ended October 31, 1998. In addition, investments were distributed
  in payment for fund shares redeemed resulting in realized capital gains for
  book purposes of $54,472 and $4,654,616 for the period from November 1, 1998
  to December 31, 1998 and the year ended October 31, 1998, respectively.

                                       12
<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998 

NOTES TO FINANCIAL STATEMENTS CONT'D


 8 Transfer of Net Assets
   ---------------------------------------------------------------------------
   On November 1, 1997, the EV Marathon Tax-Managed Growth Fund acquired the net
   assets of the EV Traditional Tax-Managed Growth Fund and EV Classic Tax-
   Managed Growth Fund pursuant to an Agreement and Plan of Reorganization dated
   June 23, 1997. In accordance with the agreement, EV Marathon Tax-Managed
   Growth Fund, at the closing, issued 13,757,199 Class A shares and 10,607,729
   Class C shares of the Fund having an aggregate value of $201,987,148 and
   $148,819,397, respectively. As a result, the Fund issued one Class A share
   and one Class C share for each share of EV Traditional Tax-Managed Growth
   Fund and EV Classic Tax-Managed Growth Fund, respectively. The transaction
   was structured for tax purposes to qualify as a tax free reorganization under
   the Internal Revenue Code. The EV Traditional Tax-Managed Growth Fund's and
   EV Classic Tax-Managed Growth Fund's net assets at the date of the
   transaction were $201,987,148 and $148,819,397, respectively, including
   $22,188,108 and $13,057,866 of unrealized appreciation. Directly after the
   merger, the combined net assets of the Eaton Vance Tax-Managed Growth Fund
   (formerly "EV Marathon Tax-Managed Growth Fund") were $925,546,524 with a net
   asset value of $14.68, $14.55 and $14.03 for Class A, Class B and Class C,
   respectively.

 9 Name Change
   ---------------------------------------------------------------------------
   Effective November 1, 1997, the EV Marathon Tax-Managed Growth Fund changed
   its name to Eaton Vance Tax-Managed Growth Fund.

10 Fiscal Year End Change
   ---------------------------------------------------------------------------
   Effective November 1, 1998, the Fund changed its fiscal year-end to
   December 31.

                                       13
<PAGE>
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

INDEPENDENT AUDITORS' REPORT


To the Shareholders and Trustees of Eaton Vance Mutual Funds Trust:
- --------------------------------------------------------------------------------
We have audited the accompanying statement of assets and liabilities of Eaton
Vance Tax-Managed Growth Fund (one of the series constituting Eaton Vance Mutual
Funds Trust) as of December 31, 1998, the related statements of operations for
the two-month period ended December 31, 1998 and the year ended October 31,
1998, the statements of changes in net assets for the two-month period then
ended and each of the years in the two-year period ended October 31, 1998, and
the financial highlights for the two-month period ended December 31, 1998 and
for each of the years in the two-year period ended October 31, 1998 and for the
period from the start of business, March 28, 1996, to October 31, 1996. These
financial statements and financial highlights are the responsibility of the
Trust's management. Our responsibility is to express an opinion on these
financial statements and financial highlights based on our audits. 

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. An audit also includes assessing the accounting principles used and
significant estimates made by management, as well as evaluating the overall
financial statement presentation. We believe that our audits provide a
reasonable basis for our opinion.

In our opinion, such financial statements and financial highlights present
fairly, in all material respects, the financial position of Eaton Vance Tax-
Managed Growth Fund at December 31, 1998, the results of its operations, the
changes in its net assets, and its financial highlights for the respective
stated periods, in conformity with generally accepted accounting principles.

                                        DELOITTE & TOUCHE LLP
                                        Boston, Massachusetts
                                        February 12, 1999


                                      14
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS

Common Stocks -- 94.7%

Security                                          Shares        Value
- --------------------------------------------------------------------------------

Advertising and Marketing Services -- 2.6%
- --------------------------------------------------------------------------------
ACNielsen Corp.(1)                                45,668        $    1,290,121 
Advo, Inc.(1)                                    170,000             4,483,750 
Harte-Hanks Communications, Inc.                 144,604             4,121,214 
Interpublic Group of Companies, Inc.             582,138            46,425,506 
Omnicom Group, Inc.                            2,298,418           133,308,243 
R.H. Donelley Corp.                                8,153               118,728 
Snyder Communications, Inc.(1)(2)                442,500            14,929,397 
Snyder Communications, Inc.(1)(2)                 40,000             1,348,875 
TMP Worldwide, Inc.(1)                            43,000             1,806,000 
True North Communications, Inc.                   93,000             2,499,375 
True North Communications, Inc.(2)               200,000             5,358,248 
WPP Group PLC                                    488,000             2,969,626 
Young and Rubicam, Inc.(1)                       186,000             6,021,750 
- --------------------------------------------------------------------------------
                                                                $  224,680,833 
- --------------------------------------------------------------------------------

Aerospace and Defense -- 0.2%                                               
- --------------------------------------------------------------------------------
Allied Signal, Inc.                               25,000        $    1,107,813 
Boeing Company (The)                             228,127             7,442,643 
Raytheon Co., Class B                            213,564            11,372,283 
- --------------------------------------------------------------------------------
                                                                $   19,922,739 
- --------------------------------------------------------------------------------

Apparel & Textiles -- 0.0%                                                  
- --------------------------------------------------------------------------------
Unifi, Inc.                                       50,000        $      978,125 
- --------------------------------------------------------------------------------
                                                                $      978,125 
- --------------------------------------------------------------------------------

Auto and Parts -- 0.9%                                                      
- --------------------------------------------------------------------------------
Aftermarket Technology Corp.(1)(2)                46,000        $      361,767 
Borg-Warner Automotive, Inc.                     225,000            12,557,813 
DaimlerChrysler(1)                                19,952             1,916,639 
Ford Motor Co.                                    32,000             1,878,000 
General Motors Corp.                               3,969               284,032 
Genuine Parts Co.                                147,059             4,917,285 
Harley-Davidson, Inc.                              1,000                47,375 
Magna International, Inc., Class A               875,000            54,250,000 
Meritor Automotive, Inc.                          61,133             1,295,255 
SPX Corp.(1)                                      47,862             3,206,754 
TRW, Inc.                                          2,000               112,375 
- --------------------------------------------------------------------------------
                                                                $   80,827,295 
- --------------------------------------------------------------------------------

Banks - Money Center -- 0.1%                                                
- --------------------------------------------------------------------------------
Bank of Montreal                                  36,650        $    1,470,581 
Chase Manhattan Corp.                             78,566             5,347,398 
Morgan (J.P.) & Co., Inc.                          1,000               105,063 
National Westminster Bank PLC                      8,753             1,037,231 
- --------------------------------------------------------------------------------
                                                                $    7,960,273 
- --------------------------------------------------------------------------------

Banks - Regional -- 5.4%                                                    
- --------------------------------------------------------------------------------
AmSouth Bancorporation                            27,492        $    1,254,323 
Bank of Granite Corp.                             22,500               621,563 
Bank of New York Co., Inc. (The)                 245,144             9,867,046 
Bank One Corp.                                   839,254            42,854,407 
Bank United Corp.                                 65,000             2,551,250 
BankAmerica Corp.                                611,569            36,770,586 
BankBoston Corp.                               1,502,000            58,484,125 
BB&T Corp.                                        66,470             2,679,572 
City National Corp.                              100,000             4,162,500 
Colonial Bancgroup, Inc. (The)                   310,822             3,729,864 
Comerica, Inc.                                   100,779             6,871,868 
Community First Bancshares, Inc.                 296,000             6,234,500 
Community First Bancshares, Inc.(2)               72,000             1,514,604 
Compass Bancshares, Inc.                         171,112             6,512,951 
Crestar Financial Corp.                           83,348             6,001,056 
Fifth Third Bancorp                              126,710             9,036,007 
First Citizens BancShares, Inc.                   47,900             4,311,000 
First Tennessee National Corp.                    33,488             1,274,637 
First Union Corp.                              1,054,655            64,136,206 
Fleet Financial Group, Inc.                      114,972             5,137,811 
Golden West Financial Corp.                        7,000               641,813 
Keycorp                                          422,594            13,523,008 
Marshall and Ilsley Corp.                         20,000             1,168,750 
Mellon Bank Corp.                                 16,000             1,100,000 
Mercantile Bancorporation, Inc.                  168,462             7,770,310 
National City Corp.                               90,150             6,535,875 
National Commerce Bancorporation(2)              159,632             3,002,076 
Northern Trust Corp.                             181,898            15,881,969 
Old Kent Financial Corp.                          33,000             1,534,500 
PNC Bank Corp.                                    62,502             3,382,921 
Regions Financial Corp.                           49,300             1,987,406 
Southwest Bancorporation of Texas, Inc.(1)         7,688               137,423 
Sovereign Bancorp., Inc.                         366,000             5,215,500 
Summit Bancorp.                                   21,000               917,438 
SunTrust Banks, Inc.                                 480                36,720 


                       See notes to financial statements

                                      15
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D

Security                                          Shares        Value
- --------------------------------------------------------------------------------

Banks - Regional (continued)                                               
- --------------------------------------------------------------------------------
Synovus Financial                                 41,776        $    1,018,290 
U.S. Bancorp.                                    155,474             5,519,327 
Union Planters Corp.                              56,875             2,577,148 
Valley National Bancorp.                         230,863             6,507,451 
Wachovia Corp.                                    37,199             3,252,588 
Washington Mutual, Inc.                          143,506             5,480,135 
Wells Fargo & Co.                              2,714,048           108,392,291 
Westamerica Bancorporation                        82,596             3,035,403 
Zions Bancorporation                              20,000             1,247,500 
- --------------------------------------------------------------------------------
                                                                $  473,871,718 
- --------------------------------------------------------------------------------

Beverages -- 1.5%                                                           
- --------------------------------------------------------------------------------
Anheuser-Busch Cos., Inc.                        546,465        $   35,861,766 
Coca-Cola Company (The)                          612,666            40,972,039 
PepsiCo, Inc.                                  1,343,931            55,017,175 
- --------------------------------------------------------------------------------
                                                                $  131,850,980 
- --------------------------------------------------------------------------------

Broadcasting and Cable -- 1.5%                                              
- --------------------------------------------------------------------------------
Clear Channel Communications, Inc.(1)            108,600        $    5,918,700 
Comcast Corp., Class A                            62,500             3,667,969 
Cox Communications, Inc., Class A(1)             193,319            13,363,176 
Infinity Broadcasting Corp.(1)                    34,500               944,438 
Liberty Media Group, Class A(1)                   91,828             4,229,827 
MediaOne Group, Inc.(1)                        1,259,024            59,174,128 
Tele-Communications, Inc., Series A(1)           546,073            30,204,663 
Univision Communications, Inc.(1)                200,649             7,260,986 
Univision Communications, Inc.(1)(2)             183,556             6,634,130 
- --------------------------------------------------------------------------------
                                                                $  131,398,017 
- --------------------------------------------------------------------------------

Building Materials and Tools -- 0.5%                                        
- --------------------------------------------------------------------------------
American Standard Companies, Inc.(1)             172,899        $    6,224,364 
CRH PLC                                          258,294             4,443,380 
Interface, Inc.                                  484,412             4,495,973 
Masco Corp.                                      228,662             6,574,033 
Sherwin-Williams Co. (The)                        44,670             1,312,181 
Snap-On, Inc.                                     44,444             1,547,207 
Valspar Corp.                                    620,000            23,133,750 
Walter Industries, Inc.(1)                         1,000                15,313 
- --------------------------------------------------------------------------------
                                                                $   47,746,201 
- --------------------------------------------------------------------------------

Business Services - Miscellaneous -- 1.0%                                   
- --------------------------------------------------------------------------------
Cintas Corp.                                     131,244        $    9,244,499 
Corrections Corporation of America(1)             97,310             1,715,089 
Fair, Issac and Co., Inc.                         88,828             4,102,743 
Fair, Issac and Co., Inc.(2)                     150,000             6,922,352 
Half (Robert) International, Inc.(1)               1,800                80,438 
Manpower, Inc.                                   110,000             2,770,625 
Metzler Group, Inc. (The)(1)                     314,880            15,330,720 
Metzler Group, Inc. (The)(1)(2)                  273,312            13,291,353 
Navigant International, Inc.(1)                   59,631               458,413 
Romac International, Inc.(1)(2)                   45,546             1,013,061 
ServiceMaster Co.                                515,201            11,366,622 
Staff Leasing, Inc.(1)                            78,125               908,203 
Staff Leasing, Inc.(1)(2)                         78,125               906,992 
Sylvan Learning Systems, Inc.(1)                 509,469            15,538,805 
Viad Corp.                                        40,314             1,224,538 
- --------------------------------------------------------------------------------
                                                                $   84,874,453 
- --------------------------------------------------------------------------------

Chemicals -- 0.8%                                                           
- --------------------------------------------------------------------------------
Bayer AG ADR                                      40,000        $    1,670,348 
Dow Chemical Co. (The)                            21,318             1,938,606 
DuPont (E.I.) de Nemours & Co.                   223,800            11,875,388 
Eastman Chemical Co.                                 123                 5,504 
Monsanto Co.                                   1,142,240            54,256,400 
Octel Corp.(1)                                     8,322               115,468 
Solutia, Inc.                                    200,336             4,482,518 
- --------------------------------------------------------------------------------
                                                                $   74,344,232 
- --------------------------------------------------------------------------------

Communications Equipment -- 2.0%                                            
- --------------------------------------------------------------------------------
3Com Corp.(1)                                    902,883        $   40,460,444 
Ascend Communications, Inc.(1)                    11,000               723,250 
Comverse Technology, Inc.(1)                     100,000             7,100,000 
Dialogic Corp.(1)                                 80,000             1,572,504 
General Cable Corp.                                3,000                61,500 
General Motors Corp., Class H(1)                 300,000            11,906,250 
L.M. Ericsson Telephone Co., ADR                 452,000            10,819,750 
Lucent Technologies, Inc.                         19,369             2,130,590 
Nokia Corp., Class A ADR                         644,720            77,648,464 
Northern Telecom Ltd. ADR                        138,263             6,930,433 
PairGain Technologies, Inc.(1)                   350,581             2,695,091 
Salient 3 Communications, Inc., Class A           78,125               712,891 
Tellabs, Inc.(1)                                 151,623            10,395,652 
- --------------------------------------------------------------------------------
                                                                $  173,156,819 
- --------------------------------------------------------------------------------


                       See notes to financial statements

                                      16
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Security                                          Shares        Value
- --------------------------------------------------------------------------------

Communications Services -- 1.9%                                             
- --------------------------------------------------------------------------------
Airtouch Communications, Inc.(1)                   1,420        $      102,418 
Aliant Communications, Inc.                       86,322             3,528,412 
Alltel Corp.                                      54,746             3,274,520 
American Tower Corp., Class A(1)                 149,451             4,418,145 
Ameritech Corp.                                   28,968             1,835,847 
AT&T Corp.                                        71,617             5,389,179 
Bell Atlantic Corp.                                8,448               447,744 
BellSouth Corp.                                   43,912             2,190,111 
Citizens Utilities Corp., Class B(1)              45,311               368,154 
Frontier Corp.                                    32,129             1,092,386 
GTE Corp.                                         12,176               791,440 
GTE Corp.(2)                                      17,500             1,128,021 
Intermedia Communications, Inc.(1)               113,637             1,960,238 
ITC Deltacom, Inc.(1)(2)                         628,773             9,536,050 
IXC Communications, Inc.(1)                      135,000             4,539,375 
MCI Worldcom, Inc.(1)                          1,422,741           102,081,666 
McLeodUSA, Inc.(1)                                57,143             1,785,719 
McLeodUSA, Inc.(1)(2)                             36,000             1,124,625 
Nextel Communications, Inc., Class A(1)           75,830             1,791,484 
Premiere Technologies, Inc.(1)                    28,000               206,500 
SBC Communications, Inc.                          10,437               559,684 
Sprint Corp.                                       1,885               158,576 
Sprint Corp. (PCS Group)(1)                          942                21,784 
Tel-Save Holdings, Inc.(1)                       247,376             4,143,548 
Telecom Corp. of New Zealand Ltd. ADR              8,000               285,500 
Teleglobe, Inc.                                   88,500             3,186,000 
Telephone & Data Systems, Inc.                   131,756             5,920,785 
US West, Inc.                                     26,551             1,715,858 
Winstar Communications, Inc.(1)                   11,424               445,536 
- --------------------------------------------------------------------------------
                                                                $  164,029,305 
- --------------------------------------------------------------------------------

Computer Software -- 2.9%                                                   
- --------------------------------------------------------------------------------
Aspect Development, Inc.(1)(2)                   100,000        $    4,417,439 
Baan Co., NV ADR(1)                              223,926             2,351,223 
BMC Software, Inc.(1)                              8,000               356,500 
Boole and Babbage, Inc.(1)                        40,000             1,177,500 
Cadence Design Systems, Inc.(1)                  506,000            15,053,500 
Computer Associates International, Inc.          854,500            36,423,063 
Compuware Corp.(1)                                 1,400               109,375 
CSG Systems International, Inc.(1)                20,558             1,624,082 
HNC Software, Inc.(1)                            329,814            13,336,854 
HNC Software, Inc.(1)(2)                         147,980             5,981,448 
Intuit, Inc.(1)                                  285,917            20,728,983 
Microsoft Corp.(1)                               281,755            39,075,897 
Oracle Corp.(1)                                1,262,500            54,445,313 
Parametric Technology Corp.(1)                    94,600             1,537,250 
PeopleSoft, Inc.(1)                              354,174             6,707,170 
Platinum Technology, Inc.(1)                     155,000             2,964,375 
Sapient Corp.(1)                                 323,876            18,137,056 
Security Dynamics Technologies, Inc.(1)           40,000               920,000 
Siebel Systems, Inc.(1)                          118,000             4,004,625 
Siebel Systems, Inc.(1)(2)                       300,000            10,149,518 
Sterling Commerce, Inc.(1)                         2,388               107,460 
Structural Dynamics Research Corp.(1)            675,000            13,415,625 
Wind River Systems, Inc.(1)                       21,622             1,016,234 
Wind River Systems, Inc.(1)(2)                    13,000               610,796 
- --------------------------------------------------------------------------------
                                                                $  254,651,286 
- --------------------------------------------------------------------------------

Computers and Business Equipment -- 7.6%                                    
- --------------------------------------------------------------------------------
Cabletron Systems, Inc.(1)                        33,715        $      282,363 
Cisco Systems, Inc.(1)                         1,026,251            95,248,920 
Compaq Computer Corp.                             38,490             1,614,174 
Dell Computer Corp.(1)                             3,800               278,113 
Dell Computer Corp.(1)(2)                      1,500,000           109,744,655 
Dell Computer Corp.(1)(2)                        150,512            10,999,533 
EMC Corp.(1)                                      22,162             1,883,770 
Fore Systems, Inc.(1)                            222,250             4,069,953 
Fore Systems, Inc.(1)(2)                          38,466               703,528 
Gateway 2000, Inc.(1)(2)                         200,000            10,224,703 
Gateway 2000, Inc.(1)(2)                         200,000            10,190,578 
Hewlett-Packard Co.                              588,680            40,214,203 
International Business Machines Corp.            154,198            28,488,081 
Lexmark International Group, Inc.(1)           1,841,746           185,095,472 
Seagate Technology, Inc.(1)                       40,000             1,210,000 
Sun Microsystems, Inc.(1)                          3,500               299,688 
Xerox Corp.                                    1,334,000           157,411,999 
- --------------------------------------------------------------------------------
                                                                $  657,959,733 
- --------------------------------------------------------------------------------

Conglomerates -- 1.4%                                                       
- --------------------------------------------------------------------------------
General Electric Co.                           1,066,342        $  108,833,529 
General Electric Co.(2)                           21,155             2,157,675 
United Technologies Corp.                         86,242             9,378,818 
- --------------------------------------------------------------------------------
                                                                $  120,370,022 
- --------------------------------------------------------------------------------


                       See notes to financial statements

                                      17
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Security                                          Shares        Value
- --------------------------------------------------------------------------------

Consumer Services -- 0.3%                                                   
- --------------------------------------------------------------------------------
Block (H&R), Inc.                                366,177        $   16,477,965 
Cendant Corp.(1)                                 187,999             3,583,731 
Service Corp. International                      130,389             4,962,931 
Stewart Enterprises, Inc.                        153,992             3,426,322 
- --------------------------------------------------------------------------------
                                                                $   28,450,949 
- --------------------------------------------------------------------------------

Containers and Packaging -- 0.2%                                            
- --------------------------------------------------------------------------------
Sealed Air Corp.(1)                              325,000        $   16,595,313 
Sonoco Products Co.                               78,571             2,327,666 
- --------------------------------------------------------------------------------
                                                                $   18,922,979 
- --------------------------------------------------------------------------------

Distribution Services -- 1.6%                                               
- --------------------------------------------------------------------------------
Airgas, Inc.(1)                                  536,219        $    4,792,457 
Cardinal Health, Inc.                            747,356            56,705,637 
School Specialty, Inc.(1)                         66,257             1,416,234 
Sysco Corp.                                    1,766,922            48,479,922 
U.S. Foodservice, Inc.(1)                        505,489            24,768,961 
U.S. Foodservice, Inc.(1)(2)                      66,438             3,252,749 
US Office Products Co.(1)                        149,077               577,674 
Wilmar Industries, Inc.(1)                        50,000             1,015,625 
- --------------------------------------------------------------------------------
                                                                $  141,009,259 
- --------------------------------------------------------------------------------

Drugs -- 9.3%                                                               
- --------------------------------------------------------------------------------
Abbott Laboratories                            1,208,935        $   59,237,814 
Agouron Pharmaceuticals, Inc.(1)                 355,077            20,860,774 
Allergan, Inc.                                    50,000             3,237,500 
American Home Products Corp.                       4,600               259,038 
Amgen, Inc.(1)                                   405,532            42,403,440 
Astra AB, Class A                              1,074,400            21,937,207 
Astra AB, Class B ADR                            160,000             3,310,000 
Bristol-Myers Squibb Co.                         383,255            51,284,310 
Covance, Inc.(1)                                  81,250             2,366,406 
Elan Corp., PLC ADR(1)                           339,630            23,625,512 
Genentech, Inc.(1)                                80,000             6,375,000 
Genzyme Corp., Class A(1)                        970,000            48,257,500 
Incyte Pharmaceuticals, Inc.(1)(2)               577,571            21,582,639 
Incyte Pharmaceuticals, Inc.(1)                  150,856             5,638,243 
Incyte Pharmaceuticals, Inc.(1)(2)               328,053            12,257,303 
Lilly (Eli) & Co.                                825,448            73,361,690 
Merck & Co., Inc.                                597,415            88,230,727 
Parexel International Corp.(1)                    35,000               875,000 
Pfizer, Inc.                                     881,021           110,513,071 
Quintiles Transnational Corp.(1)                 195,420            10,430,543 
Schering-Plough Corp.                            643,784            35,569,066 
Sepracor, Inc.(1)                                440,000            38,775,000 
SmithKline Beecham PLC ADR                       301,940            20,984,830 
Teva Pharmaceutical Industries                   100,000             4,065,834 
Ltd. ADR(2)                                              
Vertex Pharmaceuticals, Inc.(1)                   35,000             1,041,250 
Warner-Lambert Co.                               716,032            53,836,656 
Watson Pharmaceuticals, Inc.(1)                  599,550            37,696,706 
Watson Pharmaceuticals, Inc.(1)(2)               122,888             7,720,144 
- --------------------------------------------------------------------------------
                                                                $  805,733,203 
- --------------------------------------------------------------------------------

Electric Utilities -- 0.2%                                                  
- --------------------------------------------------------------------------------
Central and South West Corp.                       1,600        $       43,900 
Dominion Resources, Inc.                          28,938             1,352,852 
Duke Energy Corp.                                  1,800               115,313 
New England Electric System                        2,700               129,938 
Teco Energy, Inc.                                 40,000             1,127,500 
Texas Utilities Co.                              250,196            11,681,026 
- --------------------------------------------------------------------------------
                                                                $   14,450,529 
- --------------------------------------------------------------------------------

Electrical Equipment -- 0.5%                                                
- --------------------------------------------------------------------------------
American Power Conversion Corp.(1)               200,000        $    9,687,500 
AMP, Inc.                                        112,340             5,848,701 
Emerson Electric Co.                             159,148             9,628,454 
Molex, Inc., Class A                              90,066             2,870,854 
Rockwell International Corp.                     183,400             8,906,363 
Sanmina Corp.(1)(2)                              150,000             9,363,281 
Thomas and Betts Corp.                            22,963               994,585 
- --------------------------------------------------------------------------------
                                                                $   47,299,738 
- --------------------------------------------------------------------------------

Electronics - Instruments -- 0.2%                                           
- --------------------------------------------------------------------------------
Dionex Corp.(1)                                  362,140        $   13,263,378 
Dionex Corp.(1)(2)                                40,000             1,460,434 
Waters Corp.(1)                                   29,580             2,580,855 
X-Rite, Inc.                                     310,000             2,402,500 
X-Rite, Inc.(2)                                  118,000               914,195 
- --------------------------------------------------------------------------------
                                                                $   20,621,362 
- --------------------------------------------------------------------------------


                       See notes to financial statements

                                      18
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Security                                          Shares        Value
- --------------------------------------------------------------------------------

Electronics - Semiconductors -- 2.6%                                        
- --------------------------------------------------------------------------------
Altera Corp.(1)                                    3,600        $      219,150 
Analog Devices, Inc.(1)                        1,630,000            51,141,250 
Burr-Brown Corp.(1)                              600,000            14,062,500 
Intel Corp.                                      857,173           101,628,573 
KLA-Tencor Corp.(1)                               36,000             1,561,500 
Lam Research Corp.(1)                            106,000             1,888,125 
Level One Communications, Inc.(1)                 31,129             1,105,080 
Linear Technologies Corp.                         66,000             5,911,125 
Maxim Integrated Products Co.(1)(2)               20,664               895,311 
Maxim Intergrated Products Co.(1)                 40,000             1,747,500 
Motorola, Inc.                                   137,188             8,377,042 
National Semiconductor Corp.(1)                   79,368             1,071,468 
Smart Modular Technologies, Inc.(1)               60,000             1,665,000 
Speedfam International, Inc.(1)                  221,000             3,784,625 
Texas Instruments, Inc.                          337,948            28,915,676 
Ultratech Stepper, Inc.(1)                       245,129             3,922,064 
Uniphase Corp.(1)(2)                              25,932             1,798,433 
- --------------------------------------------------------------------------------
                                                                $  229,694,422 
- --------------------------------------------------------------------------------

Engineering and Construction -- 0.1%                                        
- --------------------------------------------------------------------------------
Jacobs Engineering Group, Inc.(1)                162,455        $    6,620,041 
- --------------------------------------------------------------------------------
                                                                $    6,620,041 
- --------------------------------------------------------------------------------

Entertainment -- 0.6%                                                       
- --------------------------------------------------------------------------------
Callaway Golf Co.(2)                              35,715        $      365,932 
Disney (Walt) Co.                                 79,800             2,394,000 
Fox Entertainment Group, Inc.(1)                 275,500             6,939,156 
Mattel, Inc.                                      20,995               478,948 
Time Warner Inc.(2)                               62,418             3,866,069 
Time Warner Inc.                                 501,368            31,116,152 
Viacom, Inc., Class A(1)                          10,727               789,105 
Viacom, Inc., Class B(1)                          80,105             5,927,770 
Westwood One(1)(2)                                61,200             1,860,782 
- --------------------------------------------------------------------------------
                                                                $   53,737,914 
- --------------------------------------------------------------------------------

Environmental Services -- 0.7%                                              
- --------------------------------------------------------------------------------
Allied Waste Industries, Inc.(1)                 375,000        $    8,859,375 
Browning-Ferris Industries, Inc.                 423,906            12,054,827 
Eastern Environmental Services(1)                 83,552             2,475,228 
U.S. Filter Corp.(1)                             160,412             3,669,425 
Waste Management, Inc.                           741,981            34,594,864 
- --------------------------------------------------------------------------------
                                                                $   61,653,719 
- --------------------------------------------------------------------------------

Financial Services - Miscellaneous -- 3.4%                                  
- --------------------------------------------------------------------------------
American Express Co.                             616,648        $   63,052,257 
Associates First Capital Corp.                   600,000            25,425,000 
Capital One Financial Corp.                       73,411             8,442,265 
Citigroup                                      1,395,960            69,100,019 
Fannie Mae                                       940,805            69,619,569 
FirstPlus Financial Group, Inc.(1)               120,000               330,000 
Freddie Mac                                      352,900            22,739,994 
Household International, Inc.                    339,293            13,444,485 
Providian Financial Corp.                        266,261            19,969,538 
- --------------------------------------------------------------------------------
                                                                $  292,123,127 
- --------------------------------------------------------------------------------

Foods -- 3.4%                                                               
- --------------------------------------------------------------------------------
Archer-Daniels-Midland Co.                       143,775        $    2,471,133 
Bestfoods                                         22,400             1,192,800 
Conagra, Inc.                                    326,199            10,275,269 
Dean Foods Co.                                   150,944             6,160,402 
Flowers Industries, Inc.                         435,781            10,431,508 
General Mills, Inc.                               24,850             1,932,088 
Keebler Food Products Co.(1)                      40,000             1,505,000 
Keebler Food Products Co.(1)(2)                   31,480             1,180,744 
Kellogg Co.                                       69,714             2,378,990 
McCormick & Co., Inc.                            623,058            21,067,149 
Nabisco Holdings Corp., Class A                  100,000             4,150,000 
Pioneer Hi-Bred International, Inc.              952,171            25,708,617 
Quaker Oats Co. (The)                             39,942             2,376,549 
Ralston Purina Group                              74,659             2,417,085 
Riviana Foods, Inc.                              150,000             3,703,125 
Riviana Foods, Inc.(2)                           100,000             2,465,664 
Sara Lee Corp.                                 1,155,944            32,583,172 
Tyson Food, Inc.                                 870,276            18,493,365 
Unilever ADR                                   1,652,000           137,012,749 
Wrigley (Wm.) Jr. Co.                            113,180            10,136,684 
- --------------------------------------------------------------------------------
                                                                $  297,642,093 
- --------------------------------------------------------------------------------


                       See notes to financial statements

                                      19
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Security                                       Shares           Value
- --------------------------------------------------------------------------------

Furniture and Appliances -- 0.5%                                            
- --------------------------------------------------------------------------------
HON Industries, Inc.                           1,135,488        $   27,180,744 
HON Industries, Inc.(2)                          134,930             3,228,810 
Leggett & Platt, Inc.                            298,328             6,563,216 
Miller (Herman), Inc.                            120,000             3,225,000 
- --------------------------------------------------------------------------------
                                                                $   40,197,770 
- --------------------------------------------------------------------------------

Health Services -- 0.7%                                                     
- --------------------------------------------------------------------------------
Aetna, Inc.                                       59,821        $    4,703,426 
Beverly Enterprises, Inc.(1)                     357,143             2,410,715 
Concentra Managed Care, Inc.(1)                  410,257             4,384,622 
FPA Medical Management, Inc.(1)(3)               315,000                 3,150 
Genesis Health Ventures, Inc.(1)                   4,000                35,000 
Health Management Associates, Inc., Class A(1)   361,170             7,810,301 
HealthSouth Corp.(1)                             146,000             2,253,875 
Integrated Health Services, Inc.                  50,000               706,250 
Magellan Health Services, Inc.(1)                 50,000               418,750 
MedPartners, Inc.(1)                              17,696                92,904 
Omnicare, Inc.                                    25,650               891,338 
Orthodontic Centers of America, Inc.(1)          100,000             1,943,750 
Pacificare Health Systems, Inc., Class B(1)       19,500             1,550,250 
PhyCor, Inc.(1)                                  312,500             2,128,906 
Quest Diagnostics, Inc.(1)                        15,625               278,320 
Quorum Health Group, Inc.(1)                      55,733               721,046 
Renal Care Group, Inc.(1)                        175,282             5,050,313 
Renal Care Group, Inc.(1)(2)                     196,225             5,646,195 
Response Oncology, Inc.(1)                        44,761               181,842 
Sunrise Assisted Living, Inc.(1)                 210,000            10,893,750 
Sunrise Assisted Living, Inc.(1)(2)              140,000             7,259,232 
United HealthCare Corp.                           20,000               861,250 
Vencor, Inc.(1)                                   25,600               115,200 
- --------------------------------------------------------------------------------
                                                                $   60,340,385 
- --------------------------------------------------------------------------------

Household Products -- 2.7%                                                  
- --------------------------------------------------------------------------------
Avon Products, Inc.                                8,700        $      384,975 
Blyth Industries, Inc.(1)                        522,000            16,312,500 
Blyth Industries, Inc.(1)(2)                      40,000             1,249,583 
Blyth Industries, Inc.(1)(2)                      20,000               624,167 
Colgate-Palmolive Co.                             54,337             5,046,549 
Fortune Brands, Inc.                              67,500             2,134,688 
Gillette Co.                                   2,632,556           127,185,361 
Helen of Troy Ltd.(1)                             65,000               954,688 
Kimberly-Clark Corp.                             551,168            30,038,656 
Procter & Gamble Co.                             410,462            37,480,311 
Rubbermaid, Inc.                                 463,920            14,584,485 
- --------------------------------------------------------------------------------
                                                                $  235,995,963 
- --------------------------------------------------------------------------------

Industrial Equipment -- 0.7%                                                
- --------------------------------------------------------------------------------
Dover Corp.                                      355,445        $   13,018,173 
DT Industries, Inc.                               37,728               594,216 
Federal Signal Corp.                             283,471             7,760,019 
Illinois Tool Works, Inc.                        169,010             9,802,580 
Parker-Hannifin Corp.                            150,898             4,941,910 
Regal Beloit Corp.                               265,000             6,095,000 
Tecumseh Products Co., Class A                   156,420             7,293,083 
Tyco International Ltd.                           98,730             7,447,944 
- --------------------------------------------------------------------------------
                                                                $   56,952,925 
- --------------------------------------------------------------------------------

Information Services -- 4.7%                                                
- --------------------------------------------------------------------------------
Acxiom Corp.(1)                                  407,088        $   12,619,728 
America Online, Inc.(1)                           21,600             3,456,000 
At Home Corp., Series A(1)(2)                     20,291             1,478,584 
At Home Corp., Series A(1)(2)                    100,000             7,373,953 
Automatic Data Processing, Inc.                1,856,243           148,847,485 
Aztec Technology Partners(1)                     119,262               432,324 
Bell and Howell Co.(1)                           115,000             4,348,438 
BISYS Group, Inc. (The)(1)                        53,873             2,781,194 
Ceridian Corp.(1)                                 90,500             6,318,031 
Computer Sciences Corp.                          650,202            41,897,391 
DST Systems, Inc.(1)(2)                           93,000             5,302,390 
Dun and Bradstreet Corp. (The)                    40,768             1,286,740 
Electronic Data Systems Corp.                    155,000             7,788,750 
Equifax, Inc.                                     40,000             1,367,500 
First Data Corp.                                 282,761             8,959,989 
HBO and Co.                                       27,599               791,746 
IDX Systems Corp.(1)(2)                           35,000             1,538,717 
IDX Systems Corp.(1)(2)                           25,000             1,096,572 
IMS Health, Inc.                                 249,006            18,784,390 
Lason, Inc.(1)(2)                                165,000             9,597,737 
Lason, Inc.(1)(2)                                190,000            11,040,884 
National Data Corp.                               81,333             3,959,900 
Nielsen Media Research                            83,002             1,494,036 
Nova Corp.(1)                                     75,758             2,627,856 
Paychex, Inc.                                     87,976             4,525,266 


                       See notes to financial statements

                                      20
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Security                                          Shares        Value
- --------------------------------------------------------------------------------

Information Services (continued)                                           
- --------------------------------------------------------------------------------
Reuters Holdings PLC ADR                         273,945        $   17,361,264 
Reynolds & Reynolds, Inc., Class A               235,989             5,412,998 
Saville Systems PLC ADR(1)                       320,000             6,080,000 
Saville Systems PLC ADR(1)(2)                     99,197             1,882,387 
Saville Systems PLC ADR(1)(2)                        297                 5,635 
SunGard Data Systems, Inc.(1)                  1,732,319            68,751,409 
- --------------------------------------------------------------------------------
                                                                $  409,209,294 
- --------------------------------------------------------------------------------

Insurance -- 6.6%                                                           
- --------------------------------------------------------------------------------
20th Century Industries                           70,700        $    1,639,356 
Aegon, N.V. ADR                                   96,504            11,797,614 
Allmerica Financial Corp.                          1,500                86,813 
Allstate Corp. (The)                             170,416             6,582,318 
American General Corp.                            91,153             7,109,934 
American International Group, Inc.               427,911            41,346,901 
AON Corp.                                         78,949             4,371,801 
Berkshire Hathaway, Inc., Class A(1)                  80             5,600,000 
Berkshire Hathaway, Inc., Class B(1)              38,078            89,482,900 
Chubb Corp.                                      101,050             6,555,619 
Conseco, Inc.(2)                                 100,000             3,052,175 
Delphi Financial Group, Inc.(1)                   40,800             2,139,450 
Gallagher (A.J.) and Co.                          35,000             1,544,375 
HSB Group, Inc.                                   75,000             3,079,688 
Jefferson-Pilot Corp.                             38,267             2,870,025 
Kansas City Life Insurance Co.                    35,400             2,893,950 
Lab Holdings, Inc.                                35,960               629,300 
Marsh & McLennan Cos., Inc.                    2,138,866           124,989,981 
Mercury General Corp.                              2,000                87,625 
Mutual Risk Management Ltd.                    1,043,500            40,826,938 
Progressive Corp.                                190,000            32,181,250 
Protective Life Corp.                             64,346             2,561,775 
Safeco Corp.                                      12,122               520,488 
St. Paul Cos., Inc. (The)                        275,532             9,574,737 
SunAmerica, Inc.                               1,810,644           146,888,494 
Torchmark Corp.                                  222,850             7,869,391 
Transamerica Corp.                                52,304             6,041,112 
UICI(1)                                           57,257             1,402,797 
UICI(1)                                          180,000             4,410,000 
UNUM Corp.                                       152,200             8,884,675 
- --------------------------------------------------------------------------------
                                                                $  577,021,482 
- --------------------------------------------------------------------------------

Investment Services -- 0.7%                                                 
- --------------------------------------------------------------------------------
E*Trade Group, Inc.(1)(2)                        100,000        $    4,634,268 
Merrill Lynch & Co., Inc.                        349,756            23,346,213 
Morgan Stanley Dean Witter & Co.                 300,431            21,330,601 
Morgan Stanley Dean Witter & Co.(2)               52,000             3,687,385 
Price (T. Rowe) Associates, Inc.                  86,716             2,970,023 
Schwab (Charles) and Co., Inc.                    66,750             3,750,516 
Waddell & Reed Financial, Inc., Class A           12,680               300,358 
Waddell & Reed Financial, Inc., Class B           54,575             1,268,869 
- --------------------------------------------------------------------------------
                                                                $   61,288,233 
- --------------------------------------------------------------------------------

Lodging and Gaming -- 0.2%                                                  
- --------------------------------------------------------------------------------
Royal Caribbean Cruises Ltd.(2)                  500,000        $   18,433,400 
Sunterra Corp.(1)(2)                              50,000               749,188 
- --------------------------------------------------------------------------------
                                                                $   19,182,588 
- --------------------------------------------------------------------------------

Medical Products -- 5.8%                                                    
- --------------------------------------------------------------------------------
Allegiance Corp.                                  45,322        $    2,113,138 
Ballard Medical Products                         519,966            12,641,673 
Bausch & Lomb, Inc.                              115,804             6,948,240 
Baxter International, Inc.                     1,266,028            81,421,425 
Becton, Dickinson and Co.                          7,265               310,125 
Becton, Dickinson and Co.(2)                      28,980             1,236,589 
Boston Scientific Corp.(1)                     1,979,700            53,080,706 
Dentsply International, Inc.                      42,000             1,081,500 
ESC Medical Systems Ltd.(1)                       30,000               315,000 
ESC Medical Systems Ltd.(1)(2)                   150,000             1,571,063 
Guidant Corp.                                    100,000            11,025,000 
Heartport, Inc.(1)                                41,026               241,028 
Hillenbrand Industries, Inc.                     647,898            36,849,199 
Johnson & Johnson Co.                          1,575,542           132,148,584 
Medtronics, Inc.                               1,086,048            80,639,063 
Schein (Henry) Corp.(1)(2)                       271,494            12,100,759 
Schein (Henry), Corp.(1)                         555,700            24,867,575 
Schein (Henry), Corp.(1)(2)                       17,000               759,799 
Schein (Henry), Corp.(1)(2)                      281,000            12,557,984 
Sofamor Danek Group, Inc.(1)                     223,000            27,150,250 
St. Jude Medical, Inc.(1)                         42,144             1,166,862 
Steris Corp.(1)                                   78,394             2,229,329 
- --------------------------------------------------------------------------------
                                                                $  502,454,891 
- --------------------------------------------------------------------------------


                       See notes to financial statements

                                      21
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Security                                          Shares        Value
- --------------------------------------------------------------------------------

Metals - Gold -- 0.0%                                                       
- --------------------------------------------------------------------------------
Freeport-McMoran Copper & Gold, Inc.               6,000        $       62,625 
- --------------------------------------------------------------------------------
                                                                $       62,625 
- --------------------------------------------------------------------------------

Metals - Industrial -- 0.0%                                                 
- --------------------------------------------------------------------------------
Cyprus Amax Minerals Co.                          20,950        $      209,500 
Nucor Corp.(2)                                    22,648               979,199 
- --------------------------------------------------------------------------------
                                                                $    1,188,699 
- --------------------------------------------------------------------------------

Minerals and Fertilizer -- 0.0%                                             
- --------------------------------------------------------------------------------
Mississippi Chemical Corp.                       272,180        $    3,810,520 
- --------------------------------------------------------------------------------
                                                                $    3,810,520 
- --------------------------------------------------------------------------------

Natural Gas Distribution -- 0.1%                                            
- --------------------------------------------------------------------------------
Columbia Energy Group                                  1        $           29 
Dynegy, Inc.                                     290,000             3,171,875 
KN Energy, Inc.                                   20,000               727,500 
National Fuel Gas Co.                              2,000                90,375 
Sonat, Inc.                                      107,200             2,901,100 
- --------------------------------------------------------------------------------
                                                                $    6,890,879 
- --------------------------------------------------------------------------------

Oil and Gas - Equipment and Services -- 1.1%                                
- --------------------------------------------------------------------------------
Baker Hughes, Inc.                               739,234        $   13,075,201 
Core Laboratories(1)(2)                          560,000            10,668,767 
Halliburton Co.                                1,501,550            44,483,419 
National-Oilwell, Inc.(1)                         50,000               559,375 
National-Oilwell, Inc.(1)(2)                     416,400             4,652,264 
Newpark Resources, Inc.(1)                       110,000               749,375 
Noble Drilling, Inc.(1)                          170,000             2,199,375 
Patterson Energy, Inc.(1)                        200,000               812,500 
Schlumberger Ltd.                                367,470            16,949,554 
Syntroleum Corp.(1)                                2,735                16,923 
Weatherford International(1)                      56,750             1,099,531 
- --------------------------------------------------------------------------------
                                                                $   95,266,284 
- --------------------------------------------------------------------------------

Oil and Gas - Exploration
and Production -- 1.0%                                                      
- --------------------------------------------------------------------------------
Anadarko Petroleum Corp.                       2,204,000        $   68,048,499 
Apache Corp.                                     127,003             3,214,763 
Burlington Resources, Inc.                       119,335             4,273,685 
El Paso Energy Corp.                              45,000             1,566,563 
Oryx Energy Co.(1)                               369,103             4,959,822 
Triton Energy, Ltd.(1)                               700                 5,556 
Union Pacific Resources Group, Inc.               79,795               723,142 
USX-Marathon Group                                50,005             1,506,401 
- --------------------------------------------------------------------------------
                                                                $   84,298,431 
- --------------------------------------------------------------------------------

Oil and Gas - Integrated -- 1.2%                                            
- --------------------------------------------------------------------------------
Amoco Corp.                                      299,345        $   17,661,355 
Atlantic Richfield Co.                            41,766             2,725,232 
British Petroleum Co. PLC ADR                        512                48,640 
Chevron Corp.                                     55,600             4,611,325 
Exxon Corp.                                      222,963            16,304,169 
Mobil Corp.                                      450,645            39,262,446 
Murphy Oil Corp.                                  29,700             1,225,125 
Pennzoil-Quaker State Co.                         74,458             1,102,907 
Royal Dutch Petroleum Co.                         33,417             1,599,839 
Texaco, Inc.                                         700                37,013 
Tosco Corp.(2)                                   314,619             8,138,053 
Tosco Corp.(2)                                   300,000             7,738,307 
- --------------------------------------------------------------------------------
                                                                $  100,454,411 
- --------------------------------------------------------------------------------

Paper and Forest Products -- 0.6%                                           
- --------------------------------------------------------------------------------
Caraustar Industries, Inc.                       224,961        $    6,425,449 
Champion International Corp.                      20,203               818,222 
Fort James Corp.                                  56,401             2,256,040 
Georgia-Pacific Corp. - G-P Group                305,098            17,867,302 
Georgia-Pacific Corp. - G-P Group(2)              14,133               826,974 
Georgia-Pacific Corp. - Timber Group             305,098             7,265,146 
Louisiana Pacific Corp.                           55,364             1,013,853 
Mead Corporation (The)                            38,768             1,136,387 
Union Camp Corp.                                  80,309             5,420,858 
Weyerhaeuser Co.                                 101,205             5,142,479 
Willamette Industries, Inc.                       53,000             1,775,500 
- --------------------------------------------------------------------------------
                                                                $   49,948,210 
- --------------------------------------------------------------------------------

Photography -- 0.1%                                                         
- --------------------------------------------------------------------------------
Eastman Kodak Co.                                 64,225        $    4,624,200 
- --------------------------------------------------------------------------------
                                                                $    4,624,200 
- --------------------------------------------------------------------------------


                       See notes to financial statements

                                      22
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Security                                      Shares            Value
- --------------------------------------------------------------------------------

Printing and Business Products -- 0.7%                                      
- --------------------------------------------------------------------------------
American Business Products, Inc.                 261,355        $    6,141,843 
Avery Dennison Corp.                             803,004            36,185,368 
Bowne & Co., Inc.                                172,640             3,085,940 
Consolidated Graphics, Inc.(1)                    35,064             2,369,012 
Consolidated Graphics, Inc.(1)(2)                 35,151             2,367,488 
Consolidated Graphics, Inc.(1)(2)                 35,977             2,424,571 
Corporate Express, Inc.(1)                        92,486               479,771 
Danka Business Systems, PLC ADR                    1,000                 4,188 
Deluxe Corp.                                      80,675             2,949,680 
Donnelley (R.R.) & Sons Co.                       32,896             1,441,256 
Harland (John H.) Co.                             51,540               814,976 
Ikon Office Solutions, Inc.                      115,500               988,969 
Workflow Management, Inc.(1)                      79,508               526,740 
- --------------------------------------------------------------------------------
                                                                $   59,779,802 
- --------------------------------------------------------------------------------

Publishing -- 1.2%                                                          
- --------------------------------------------------------------------------------
Belo (A.H.) Corp.                                110,220        $    2,197,511 
Dow Jones & Co., Inc.                            376,300            18,109,438 
Gannett Co., Inc.                                280,900            18,118,050 
Houghton Mifflin Co.                              97,400             4,602,150 
McGraw-Hill Companies, Inc. (The)                455,608            46,415,065 
Meredith Corp.                                   190,000             7,196,250 
The MacClatchy Co., Class A                       48,066             1,700,335 
Times Mirror Co., Class A                        151,670             8,493,520 
- --------------------------------------------------------------------------------
                                                                $  106,832,319 
- --------------------------------------------------------------------------------

Real Estate -- 0.5%                                                         
- --------------------------------------------------------------------------------
Avalonbay Communities, Inc.                       55,000        $    1,883,750 
Catellus Development Corp.(1)                    290,000             4,150,625 
Equity Office Properties Trust                     2,812                67,488 
Grubb and Ellis Co.(1)(2)                        100,000               805,242 
LaSalle Partners, Inc.(1)(2)                     213,193             6,273,777 
Patriot America Hospitality, Inc.                132,212               793,272 
Redwood Trust, Inc.                               71,710             1,003,940 
Rouse Co. (The)                                  127,700             3,511,750 
Trammell Crow Co.(1)(2)                          876,098            24,500,081 
Ventas, Inc.(1)                                   25,600               312,000 
- --------------------------------------------------------------------------------
                                                                $   43,301,925 
- --------------------------------------------------------------------------------

Restaurants -- 1.1%                                                         
- --------------------------------------------------------------------------------
Bob Evans Farms, Inc.                             48,193        $    1,256,030 
Boston Chicken, Inc.(1)(3)                        38,500                   385 
Brinker International, Inc.(1)                   435,034            12,561,607 
CKE Restaurants, Inc.(2)                         110,000             3,237,046 
CKE Restaurants, Inc.(2)                          11,000               323,381 
Lone Star Steakhouse and Saloon, Inc.(1)         145,981             1,341,200 
Lone Star Steakhouse and Saloon, Inc.(1)(2)      200,000             1,835,203 
McDonald's Corp.                                 270,607            20,735,261 
Outback Steakhouse, Inc.(1)                       77,101             3,074,402 
Outback Steakhouse, Inc.(1)(2)                   130,181             5,184,479 
Outback Steakhouse, Inc.(1)(2)                   250,000             9,955,458 
Papa John's International, Inc.(1)                25,807             1,138,734 
Papa John's International, Inc.(1)(2)             51,744             2,280,350 
Sonic Corp.(1)(2)                                 47,338             1,176,061 
Starbucks Corp.(1)                               342,000            19,194,750 
Tricon Global Restaurants, Inc.(1)               175,767             8,810,321 
- --------------------------------------------------------------------------------
                                                                $   92,104,668 
- --------------------------------------------------------------------------------

Retail - Food and Drug -- 4.6%                                              
- --------------------------------------------------------------------------------
Albertson's, Inc.                              2,340,219        $  149,042,697 
Albertson's, Inc.(2)                              10,000               634,890 
CVS Corp.                                      2,176,571           119,711,404 
General Nutrition Companies, Inc.(1)              44,460               722,475 
Hannaford Brothers Co.                            30,849             1,634,997 
Kroger Co. (The)(1)                               22,800             1,379,400 
Rite Aid Corp.                                     6,000               297,375 
Safeway, Inc.(1)                               1,777,501           108,316,466 
Walgreen Co.                                      13,750               805,234 
Whole Foods Market, Inc.(1)                       90,000             4,353,750 
Winn-Dixie Stores, Inc.                          320,221            14,369,917 
- --------------------------------------------------------------------------------
                                                                $  401,268,605 
- --------------------------------------------------------------------------------

Retail - General -- 1.8%                                                    
- --------------------------------------------------------------------------------
99 Cents Only Stores(1)(2)                       428,337        $   21,033,989 
Casey's General Stores, Inc.(2)                   75,000               976,529 
Department 56, Inc.(1)                           190,000             7,136,875 
Department 56, Inc.(1)(2)                         29,404             1,101,045 
Dollar General Corp.                              25,625               605,391 
Dollar Tree Stores, Inc.(1)                      292,500            12,778,594 
Dollar Tree Stores, Inc.(1)(2)                   247,792            10,821,805 
Harcourt General, Inc.                           216,416            11,510,626 
May Department Stores Co. (The)                  104,258             6,294,577 
Nordstrom, Inc.                                   27,610               957,722 
Penney (J.C.) Company, Inc.                    1,117,673            52,390,922 


                       See notes to financial statements

                                      23
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Security                                          Shares        Value
- --------------------------------------------------------------------------------

Retail - General (continued)                                               
- --------------------------------------------------------------------------------
Wal-Mart Stores, Inc.                            428,060        $   34,860,136 
- --------------------------------------------------------------------------------
                                                                $  160,468,211 
- --------------------------------------------------------------------------------

Retail - Specialty and Apparel -- 2.8%                                      
- --------------------------------------------------------------------------------
Abercrombie and Fitch Co., Class A(1)              2,802        $      198,242 
Burlington Coat Factory Warehouse Corp.          543,600             8,867,475 
Home Depot, Inc. (The)                         2,517,746           154,054,582 
Limited, Inc. (The)                              205,000             5,970,625 
Lowe's Companies                                  60,000             3,071,250 
Office Depot, Inc.(1)                            140,000             5,171,250 
OfficeMax, Inc.(1)                               672,867             8,242,621 
Pep Boys - Manny, Moe & Jack (The)                35,476               556,530 
Pep Boys - Manny, Moe & Jack (The)(2)             62,500               980,142 
Pier 1 Imports, Inc.(2)                          150,000             1,451,914 
Pier 1 Imports, Inc.(2)                           75,000               725,654 
Pier 1 Imports, Inc.(2)                          125,000             1,207,163 
Republic Industries, Inc.(1)                   2,719,023            40,105,589 
Staples, Inc.(1)                                 150,000             6,553,125 
Tandy Corp.                                       60,000             2,471,250 
Tiffany and Co.                                   22,000             1,141,250 
TJX Companies, Inc. (The)                         50,000             1,450,000 
Toys "R" Us, Inc.(1)                              73,255             1,236,178 
- --------------------------------------------------------------------------------
                                                                $  243,454,840 
- --------------------------------------------------------------------------------

Specialty Chemicals and Materials -- 1.3%                                   
- --------------------------------------------------------------------------------
Corning, Inc.                                    130,000        $    5,850,000 
Dexter Corp. (The)                                36,139             1,136,120 
Ecolab, Inc.                                   2,063,536            74,674,208 
International Flavors & Fragrances, Inc.         148,101             6,544,213 
International Specialty Products, Inc.(1)         59,000               800,188 
MacDermid, Inc.                                   30,000             1,173,750 
Millipore Corp.                                  101,440             2,884,700 
Minnesota Mining & Manufacturing Co.              42,731             3,039,242 
Morton International, Inc.                        34,000               833,000 
Nalco Chemical Co.                               224,852             6,970,412 
Pall Corp.                                       216,000             5,467,500 
RPM, Inc.                                         70,138             1,122,208 
- --------------------------------------------------------------------------------
                                                                $  110,495,541 
- --------------------------------------------------------------------------------

Tobacco -- 0.2%                                                             
- --------------------------------------------------------------------------------
Philip Morris Cos., Inc.                         249,706        $   13,359,271 
- --------------------------------------------------------------------------------
                                                                $   13,359,271 
- --------------------------------------------------------------------------------

Transportation -- 0.4%                                                      
- --------------------------------------------------------------------------------
Arnold Industries, Inc.                          148,543        $    2,395,256 
Burlington Northern Santa Fe Corp.               188,799             6,371,966 
Coach USA, Inc.(1)                               168,889             5,858,337 
Coach USA, Inc.(1)(2)                            185,676             6,438,704 
FDX Corp.(1)                                      93,723             8,341,347 
Heartland Express, Inc.(1)                       250,000             4,375,000 
Union Pacific Corp.                               92,081             4,149,400 
- --------------------------------------------------------------------------------
                                                                $   37,930,010 
- --------------------------------------------------------------------------------

Trucks and Parts -- 0.0%                                                    
- --------------------------------------------------------------------------------
Paccar, Inc.                                      46,602        $    1,916,507 
- --------------------------------------------------------------------------------
                                                                $    1,916,507 
- --------------------------------------------------------------------------------

Total Common Stocks                                                      
    (identified cost $5,715,068,624)                            $8,246,680,855
- --------------------------------------------------------------------------------

Put Options Purchased -- 0.0%                                                 

Security                                          Shares        Value
- --------------------------------------------------------------------------------

Computers and Business Equipment -- 0.0%
- --------------------------------------------------------------------------------
Dell Computer, Expires 1/16/99, Strike 
Price 45                                         250,000        $       31,250 
Dell Computer, Expires 1/16/99, Strike 
Price 50                                         250,000                15,625 
Dell Computer, Expires 2/20/99, Strike 
Price 50                                         250,000               195,313 
Dell Computer, Expires 2/20/99, Strike 
Price 55                                         500,000               562,500 
- --------------------------------------------------------------------------------
                                                                $      804,688 
- --------------------------------------------------------------------------------

Total Put Options Purchased                                              
    (identified cost $5,771,939)                                $      804,688 
- --------------------------------------------------------------------------------


                       See notes to financial statements

                                      24
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

PORTFOLIO OF INVESTMENTS CONT'D


Rights -- 0.0%     


Security                                          Shares        Value
- --------------------------------------------------------------------------------

Oil and Gas - Exploration
and Production -- 0.0%                                                      
- --------------------------------------------------------------------------------
Triton Energy, Ltd.(1)                                51        $            0 
- --------------------------------------------------------------------------------
                                                                $            0 
- --------------------------------------------------------------------------------
Total Rights                                                             
    (identified cost $0)                                        $            0 
- --------------------------------------------------------------------------------
Convertible Preferred Stocks -- 0.4%                                         


Security                                          Shares        Value
- --------------------------------------------------------------------------------
Entertainment -- 0.4%                                                       
- --------------------------------------------------------------------------------
Time Warner Inc., Series J(3)                    100,187        $   26,526,391 
Time Warner Inc., Series J(2)(3)                  21,410             5,657,362 
- --------------------------------------------------------------------------------
                                                                $   32,183,753 
- --------------------------------------------------------------------------------

Financial - Miscellaneous -- 0.0%                                           
- --------------------------------------------------------------------------------
American General Corp., Series D                  21,474        $    1,406,547 
- --------------------------------------------------------------------------------
                                                                $    1,406,547 
- --------------------------------------------------------------------------------

Insurance -- 0.0%                                                           
- --------------------------------------------------------------------------------
Aetna, Inc., Series C                                449        $       34,152 
- --------------------------------------------------------------------------------
                                                                $       34,152 
- --------------------------------------------------------------------------------

Total Convertible Preferred Stocks                                       
    (identified cost $14,428,021)                               $   33,624,452 
- --------------------------------------------------------------------------------

Commercial Paper -- 4.3%                                                  
- --------------------------------------------------------------------------------

Short-Term Investments -- 0.7%

                                          Face Amount
Name of Company                           (000's omitted)       Value         
- --------------------------------------------------------------------------------
American Express Credit Corp.,
6.00%, 1/8/99                                 $   76,827        $   76,737,368 
Associates Corp. of North America,                
5.25%, 1/4/99                                     37,141            37,124,751  
Corporate Receivables Corp.,
5.50%, 1/8/99                                     30,000            29,967,917 
Ford Motor Credit Co., 5.53%, 1/8/99              77,696            77,612,455 
General Electric Capital Co., 5.50%, 1/4/99       56,607            56,581,055  
Prudential Funding Corp., 5.80%, 1/8/99           95,000            94,892,861 
- --------------------------------------------------------------------------------

Total Commercial Paper                                                   
    (identified cost $372,916,407)                              $  372,916,407 
- --------------------------------------------------------------------------------

                                          Face Amount
Name of Company                           (000's omitted)       Value         
- --------------------------------------------------------------------------------
Federal Home Loan Mortgage Corp.,
4.50%, 1/4/99                                 $   59,313        $   59,290,758 
- --------------------------------------------------------------------------------

Total Short-Term Investments                                             
    (identified cost $59,290,758)                               $   59,290,758 
- --------------------------------------------------------------------------------

Total Investments -- 100.1%                                                  
    (identified cost $6,167,475,749)                            $8,713,317,160
- --------------------------------------------------------------------------------

Other Assets, Less Liabilities -- (0.1)%                        $   (8,457,825)
- --------------------------------------------------------------------------------

Net Assets -- 100.0%                                            $8,704,859,335
- --------------------------------------------------------------------------------

ADR-American Depositary Receipt

(1)  Non-income producing security.
(2)  Security restricted from resale for a period not exceeding one year. At
     December 31, 1998, the value of these securities totaled $565,804,292 or
     6.5% of net assets.
(3)  Security valued at fair value using methods determined in good faith by or
     at the direction of the Trustees.


                       See notes to financial statements

                                      25
<PAGE>

Tax-Managed Growth Portfolio as of December 31, 1998

FINANCIAL STATEMENTS

Statement of Assets and Liabilities

<TABLE> 
<CAPTION> 
As of December 31, 1998                                                                 
Assets                                                                                  
- ----------------------------------------------------------------------------------------
<S>                                                                   <C>  
Investments, at value
     (identified cost $6,167,475,749)                                 $   8,713,317,160 
Cash                                                                            208,496 
Receivable for investments sold                                                  31,917 
Dividends receivable                                                          6,284,080 
Tax reclaim receivable                                                          123,448 
Other assets                                                                    388,094 
Deferred organization expenses                                                    4,165 
- ----------------------------------------------------------------------------------------
Total assets                                                          $   8,720,357,360 
- ----------------------------------------------------------------------------------------


Liabilities                                                                             
- ----------------------------------------------------------------------------------------
Payable for investments purchased                                     $      15,294,800 
Payable to affiliate for Trustees' fees                                           6,091 
Other accrued expenses                                                          197,134 
- ----------------------------------------------------------------------------------------
Total liabilities                                                     $      15,498,025 
- ----------------------------------------------------------------------------------------
Net Assets applicable to investors' interest in Portfolio             $   8,704,859,335 
- ----------------------------------------------------------------------------------------


Sources of Net Assets                                                                   
- ----------------------------------------------------------------------------------------
Net proceeds from capital contributions and withdrawals               $   6,159,017,924 
Net unrealized appreciation (computed on the basis of                     
     identified cost)                                                     2,545,841,411  
- ----------------------------------------------------------------------------------------
Total                                                                 $   8,704,859,335 
- ----------------------------------------------------------------------------------------
<CAPTION> 

Statement of Operations

                                           Period Ended                Year Ended
Investment Income                          December 31, 1998(1)        October 31, 1998    
- ----------------------------------------------------------------------------------------
<S>                                        <C>                         <C> 
Dividends (net of foreign taxes,
     $151,392 and
     $555,644, respectively)                 $    12,251,934            $    54,405,581 
Interest                                           3,422,672                 11,564,060 
- ----------------------------------------------------------------------------------------
Total investment income                      $    15,674,606            $    65,969,641 
- ----------------------------------------------------------------------------------------

Expenses                                                                                
- ----------------------------------------------------------------------------------------
Investment adviser fee                       $     6,020,740            $    24,370,514 
Trustees fees and expenses                             5,901                     30,273 
Custodian fee                                        166,036                    729,631 
Legal and accounting services                         70,710                    129,922 
Amortization of organization                             363                      2,176 
     expenses
Miscellaneous                                          6,208                    384,423 
- ----------------------------------------------------------------------------------------
Total expenses                               $     6,269,958            $    25,646,939 
- ----------------------------------------------------------------------------------------

Net investment income                        $     9,404,648            $    40,322,702 
- ----------------------------------------------------------------------------------------


Realized and Unrealized Gain (Loss)                                                     
- ----------------------------------------------------------------------------------------
Net realized gain (loss) --                                                              
     Investments (identified cost            
         basis)                              $    21,475,026            $   (88,268,073) 
- ----------------------------------------------------------------------------------------
Net realized gain (loss)                     $    21,475,026            $   (88,268,073)
- ----------------------------------------------------------------------------------------
Change in unrealized
     appreciation (depreciation) --                                       
     Investments (identified cost            
         basis)                              $   950,828,792            $   540,179,532  
- ----------------------------------------------------------------------------------------
Net change in unrealized
     appreciation (depreciation)             $   950,828,792            $   540,179,532 
- ----------------------------------------------------------------------------------------

Net realized and unrealized gain             $   972,303,818            $   451,911,459 
- ----------------------------------------------------------------------------------------

Net increase in net assets
     from operations                         $   981,708,466            $   492,234,161 
- ----------------------------------------------------------------------------------------
</TABLE> 

(1) For the two-month period ended December 31, 1998.

                       See notes to financial statements

                                      26
<PAGE>

Tax-Managed Growth Portfolio as of December 31, 1998 

FINANCIAL STATEMENTS CONT'D

Statements of Changes in Net Assets

<TABLE> 
<CAPTION> 
                                                             Period Ended              Year Ended                Year Ended
Increase (Decrease) in Net Assets                            December 31, 1998(1)      October 31, 1998          October 31, 1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                          <C>                       <C>                       <C> 
From operations--                                                                                                                 
     Net investment income                                   $       9,404,648         $     40,322,702          $     14,399,615 
     Net realized gain (loss)                                       21,475,026              (88,268,073)               52,637,579 
     Net change in unrealized appreciation (depreciation)          950,828,792              540,179,532               375,109,348 
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase in net assets from operations                   $     981,708,466         $    492,234,161          $    442,146,542 
- ------------------------------------------------------------------------------------------------------------------------------------
Capital transactions --                                                                                                            
     Contributions                                           $     858,758,546         $  4,084,235,841          $  1,907,707,281 
     Withdrawals                                                  (121,286,161)            (462,237,336)             (415,207,575)
- ------------------------------------------------------------------------------------------------------------------------------------
Net increase in net assets from capital transactions         $     737,472,385         $  3,621,998,505          $  1,492,499,706 
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                 
Net increase in net assets                                   $   1,719,180,851         $  4,114,232,666          $  1,934,646,248 
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                 
                                                                                                                 
Net Assets                                                                                                                        
- ------------------------------------------------------------------------------------------------------------------------------------
At beginning of period                                       $   6,985,678,484         $  2,871,445,818          $    936,799,570 
- ------------------------------------------------------------------------------------------------------------------------------------
At end of period                                             $   8,704,859,335         $  6,985,678,484          $  2,871,445,818 
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE> 

(1) For the two-month period ended December 31, 1998.

                       See notes to financial statements

                                      27
<PAGE>

Tax-Managed Growth Portfolio as of December 31, 1998

FINANCIAL STATEMENTS CONT'D

Supplementary Data

<TABLE> 
<CAPTION> 
                                                                                               Year Ended October 31, 
                                                               Period Ended      ---------------------------------------------------
                                                          December 31, 1998(1)        1998             1997              1996(2)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                       <C>                    <C>              <C>               <C> 
Ratios to average daily net assets                                                                                              
- ------------------------------------------------------------------------------------------------------------------------------------
Expenses                                                               0.48%(3)           0.50%            0.56%          0.66%(3)
Net investment income                                                  0.72%(3)           0.78%            0.81%          0.91%(3)
Portfolio Turnover                                                        3%                12%              14%             6%
- ------------------------------------------------------------------------------------------------------------------------------------
Net assets, end of period (000's omitted)                        $8,704,859         $6,985,678       $2,871,446       $936,800 
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE> 
(1)  For the two-month period ended December 31, 1998.
(2)  For the period from the start of business, December 1, 1995, to October 31,
     1996.
(3)  Annualized.

                       See notes to financial statements

                                      28
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

NOTES TO FINANCIAL STATEMENTS 


1  Significant Accounting Policies
   ---------------------------------------------------------------------------
   Tax-Managed Growth Portfolio (the Portfolio) is registered under the
   Investment Company Act of 1940, as amended, as a diversified, open-end
   management investment company. The Portfolio, which was organized as a trust
   under the laws of the State of New York on December 1, 1995, seeks to provide
   long-term after-tax returns by investing in a diversified portfolio of equity
   securities. The Declaration of Trust permits the Trustees to issue interests
   in the Portfolio. The following is a summary of significant accounting
   policies consistently followed by the Portfolio in the preparation of its
   financial statements. The policies are in conformity with generally accepted
   accounting principles.

   A Investment Valuations -- Marketable securities, including options, that are
   listed on foreign or U.S. securities exchanges or in the NASDAQ National
   Market System are valued at closing sale prices, on the exchange where such
   securities are principally traded. Futures positions on securities or
   currencies are generally valued at closing settlement prices. Unlisted or
   listed securities for which closing sale prices are not available are
   generally valued at the mean between the latest bid and asked prices. Short-
   term debt securities with a remaining maturity of 60 days or less are valued
   at amortized cost, which approximates value. Other fixed income and debt
   securities, including listed securities and securities for which price
   quotations are available, will normally be valued on the basis of valuations
   furnished by a pricing service. Over-the-counter options are normally valued
   at the mean between the latest bid and asked price. Investments for which
   valuations or market quotations are unavailable are valued at fair value
   using methods determined in good faith by or at the direction of the
   Trustees.

   B Income Taxes -- The Portfolio is treated as a partnership for Federal tax
   purposes. No provision is made by the Portfolio for federal or state taxes on
   any taxable income of the Portfolio because each investor in the Portfolio is
   ultimately responsible for the payment of any taxes on its share of such
   income. Since some of the Portfolio's investors are regulated investment
   companies that invest all or substantially all of their assets in the
   Portfolio, the Portfolio normally must satisfy the applicable source of
   income and diversification requirements (under the Internal Revenue Code) in
   order for its investors to satisfy them. The Portfolio will allocate, at
   least annually among its investors, each investor's distributive share of the
   Portfolio's net investment income, net realized capital gains, and any other
   items of income, gain, loss, deduction or credit.

   C Deferred Organization Expenses -- Costs incurred by the Portfolio in
   connection with its organization, are being amortized on the straight-line
   basis over five years.

   D Futures Contracts -- Upon the entering of a financial futures contract,   
   the Portfolio is required to deposit either in cash or securities an amount  
   ("initial margin") equal to a certain percentage of the purchase price      
   indicated in the financial futures contract. Subsequent payments are made   
   or received by the Portfolio ("margin maintenance") each day, dependent on  
   daily fluctuations in the value of the underlying security, and are         
   recorded for book purposes as unrealized gains or losses by the Portfolio.  
   The Portfolio's investment in financial futures contracts is designed to    
   hedge against anticipated future changes in price of current or anticipated  
   portfolio positions. Should prices move unexpectedly, the Portfolio may not  
   achieve the anticipated benefits of the financial futures contracts and may  
   realize a loss.                                                              

   E Put Options -- Upon the purchase of a put option by the Portfolio, the    
   premium paid is recorded as an investment, the value of which is            
   marked-to-market daily. When a purchased option expires, the Portfolio will  
   realize a loss in the amount of the cost of the option. When the Portfolio  
   enters into a closing sale transaction, the Portfolio will realize a gain   
   or loss depending on whether the sales proceeds from the closing sale       
   transaction are greater or less than the cost of the option. When the       
   Portfolio exercises a put option, settlement is made in cash. The risk      
   associated with purchasing options is limited to the premium originally     
   paid.                                                                        

   F Securities Sold Short -- The Portfolio may sell securities it does not    
   own in anticipation of a decline in the market price of the securities or   
   in order to hedge portfolio positions. The Portfolio will generally borrow  
   the security sold in order to make delivery to the buyer. Upon executing    
   the transaction, the Portfolio records the proceeds as deposits with        
   brokers in the Statement of Assets and Liabilities and establishes an       
   offsetting payable for securities sold short for the securities due on      
   settlement. The proceeds are retained by the broker as collateral for the   
   short position. The liability is marked to market and the Portfolio is      
   required to pay the lending broker any dividend or interest income earned   
   while the short position is open. A gain or loss is recorded when the       
   security is delivered to the broker. The Portfolio may recognize a loss      

                                       29
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

NOTES TO FINANCIAL STATEMENTS CONT'D


   on the transaction if the market value of the securities sold increases     
   before the securities are delivered.                                        
                                                                               
   G Other -- Investment transactions are accounted for on the date the        
   investments are purchased or sold. Dividend income is recorded on the       
   ex-dividend date. However, if the ex-dividend date has passed, certain      
   dividends from foreign securities are recorded as the Portfolio is informed  
   of the ex-dividend date. Interest income is recorded on the accrual basis.  
                                                                               
   H Use of Estimates -- The preparation of financial statements in conformity  
   with generally accepted accounting principles requires management to make   
   estimates and assumptions that affect the reported amounts of assets and    
   liabilities at the date of the financial statements and the reported        
   amounts of revenue and expense during the reporting period. Actual results  
   could differ from those estimates.                                          
                                                                               
2  Investment Adviser Fee and Other Transactions with Affiliates               
   ---------------------------------------------------------------------------  
   The investment adviser fee is earned by Boston Management and Research      
   (BMR), a wholly-owned subsidiary of Eaton Vance Management (EVM), as        
   compensation for management and investment advisory services rendered to    
   the Portfolio. Under the advisory agreement, BMR receives a monthly         
   advisory fee of 5/96 of 1% (0.625% annually) of the average daily net       
   assets of the Portfolio up to $500,000,000, and at reduced rates as daily   
   net assets exceed that level. For the period ended December 31, 1998, the   
   adviser fee was 0.46% (annualized) of the Portfolio's average net assets.   
   For the year ended October 31, 1998, the adviser fee was 0.47% of the       
   Portfolio's average net assets. Except for Trustees of the Portfolio who    
   are not members of EVM's or BMR's organization, officers and Trustees       
   receive remuneration for their services to the Portfolio out of such        
   investment adviser fee. Trustees of the Portfolio that are not affiliated   
   with the Investment Adviser may elect to defer receipt of all or a          
   percentage of their annual fees in accordance with the terms of the         
   Trustees Deferred Compensation Plan. For the period ended December 31, 1998  
   and the year ended October 31, 1998, no significant amounts have been       
   deferred. Certain of the officers and Trustees of the Portfolio are         
   officers or directors/trustees of the above organizations.                  
                                                                               
3  Investment Transactions                                                     
   ---------------------------------------------------------------------------  
   For the two-month period ended December 31, 1998, purchases and sales of    
   investments, other than short-term obligations, aggregated $472,302,414 and  
   $190,511,645, respectively. In addition, investments having an aggregate    
   market value of $24,998,564 at dates of withdrawal were distributed in      
   payment for capital withdrawals resulting in capital gains for book         
   purposes of $629,507. During the period ended December 31, 1998, investors  
   contributed securities with a value of $517,599,932. For the year ended     
   October 31, 1998, purchases and sales of investments, other than short-term  
   obligations, aggregated $2,151,267,687 and $608,237,096, respectively. In   
   addition, investments having an aggregate market value of $136,368,120 at   
   dates of withdrawal were distributed in payment for capital withdrawals     
   resulting in capital gains for book purposes of $125,868,954. During the    
   year ended October 31, 1998, investors contributed securities with a value  
   of $1,855,101,919.                                                          
                                                                               
4  Federal Income Tax Basis of Investment                                      
   ---------------------------------------------------------------------------  
   The cost and unrealized appreciation (depreciation) in value of the         
   investments owned at December 31, 1998, as computed on a federal income tax  
   basis, are as follows:                                                      
                                                                               
   Aggregate cost                                        $3,223,058,075        
   ---------------------------------------------------------------------------  
   Gross unrealized appreciation                         $5,518,035,727        
                                                                               
   Gross unrealized depreciation                            (27,776,642)       
   ---------------------------------------------------------------------------  
                                                                               
   Net unrealized appreciation                           $5,490,259,085        
   ---------------------------------------------------------------------------  
                                                                               
5  Financial Instruments                                                       
   ---------------------------------------------------------------------------  
   The Portfolio may trade in financial instruments with off-balance sheet     
   risk in the normal course of its investing activities to assist in managing  
   exposure to various market risks. These financial instruments include       
   written options, forward foreign currency exchange contracts and financial  
   futures contracts and may involve, to a varying degree, elements of risk in  
   excess of the amounts recognized for financial statement purposes.           

                                       30
<PAGE>
 
Tax-Managed Growth Portfolio as of December 31, 1998

NOTES TO FINANCIAL STATEMENTS CONT'D


   The notional or contractual amounts of these instruments represent the      
   investment the Portfolio has in particular classes of financial instruments  
   and does not necessarily represent the amounts potentially subject to risk.  
   The measurement of the risks associated with these instruments is           
   meaningful only when all related and offsetting transactions are            
   considered.                                                                 
                                                                               
   The Portfolio did not have any open obligations under these financial       
   instruments at December 31, 1998.                                           
                                                                               
6  Line of Credit                                                              
   -----------------------------------------------------------------------------
   The Portfolio participates with other portfolios and funds managed by BMR   
   and EVM and its affiliates in a $130 million unsecured line of credit       
   agreement with a group of banks. The Portfolio may temporarily borrow from  
   the line of credit to satisfy redemption requests or settle investment      
   transactions. Interest is charged to each portfolio or fund based on its    
   borrowings at the Eurodollar rate or federal funds rate. In addition, a fee  
   computed at an annual rate of 0.10% on the daily unused portion of the line  
   of credit is allocated among the participating portfolios and funds at the  
   end of each quarter. The Portfolio did not have any significant borrowings  
   or allocated fees during the two-month period ended December 31, 1998 nor   
   during the year ended October 31, 1998.                                     
                                                                               
7  Fiscal Year End Change                                                      
   ---------------------------------------------------------------------------  
   Effective November 1, 1998, the Portfolio changed its fiscal year-end to    
   December 31.                                                                 

                                       31
<PAGE>

Tax-Managed Growth Portfolio as of December 31, 1998

INDEPENDENT AUDITORS' REPORT


To the Trustees and  Investors
of Tax-Managed Growth Portfolio:
- --------------------------------------------------------------------------------
We have audited the accompanying statement of assets and liabilities, including
the portfolio of investments, of Tax-Managed Growth Portfolio (the Portfolio) as
of December 31, 1998, the related statements of operations for the two-month
period ended December 31, 1998 and for the year ended October 31, 1998, the
statements of changes in net assets for the two-month period ended December 31,
1998 and for each of the years in the two-year period ended October 31, 1998,
and the supplementary data for the two-months ended December 31, 1998 and for
each of the years in the two-year period ended October 31, 1998 and for the
period from the start of business, December 1, 1995 to October 31, 1996. These
financial statements and supplementary data are the responsibility of the
Portfolio's management. Our responsibility is to express an opinion on these
financial statements and supplementary data based on our audits. 

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and supplementary
data are free of material misstatement. An audit includes examining, on a test
basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned as of
December 31, 1998 by correspondence with the custodian and brokers; where
replies were not received from brokers, we performed other auditing procedures.
An audit also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.

In our opinion, such financial statements and supplementary data referred to
above present fairly, in all material respects, the financial position of the
Portfolio as of December 31, 1998, the results of its operations, the changes in
its net assets and its supplementary data for the respective stated periods in
conformity with generally accepted accounting principles.


                                   DELOITTE & TOUCHE LLP
                                   Boston, Massachusetts
                                   February 12, 1999





                                      32

<PAGE>
 
Eaton Vance Tax-Managed Growth Fund as of December 31, 1998

INVESTMENT MANAGEMENT


Eaton Vance Tax-Managed Growth Fund 

Officers

James B. Hawkes
Vice President and Trustee

William H. Ahern, Jr.
Vice-President

Thomas J. Fetter
Vice-President

Robert B. MacIntosh
Vice President

Michael B. Terry
Vice-President

James L. O'Connor
Treasurer

Alan R. Dynner
Secretary


Independent Trustees

Jessica M. Bibliowicz
President and Chief Operating Officer,
John A. Levin & Co.
Director, Baker, Fentress & Company

Donald R. Dwight
President, Dwight Partners, Inc.

Samuel L. Hayes, III
Jacob H. Schiff Professor of Investment
Banking, Emeritus, Harvard University Graduate School of Business Administration

Norton H. Reamer
Chairman and Chief Executive Officer,
United Asset Management Corporation

Lynn A. Stout
Professor of Law,
Georgetown University Law Center

John L. Thorndike
Formerly Director, Fiduciary Company Incorporated

Jack L. Treynor
Investment Adviser and Consultant


Tax-Managed Growth Portfolio

Officers

James B. Hawkes
President and Trustee

Duncan W. Richardson
Vice President and
Portfolio Manager

James L. O'Connor
Treasurer

Alan R. Dynner
Secretary


Independent Trustees

Jessica M. Bibliowicz
President and Chief Operating Officer,
John A. Levin & Co.
Director, Baker, Fentress & Company

Donald R. Dwight
President, Dwight Partners, Inc.

Samuel L. Hayes, III
Jacob H. Schiff Professor of Investment
Banking, Emeritus, Harvard University Graduate School of Business Administration

Norton H. Reamer
President and Director, United Asset
Management Corporation

John L. Thorndike
Formerly Director, Fiduciary Company Incorporated

Jack L. Treynor
Investment Adviser and Consultant

                                       33
<PAGE>
 
                       This Page Intentionally Left Blank

<PAGE>
 
                       This Page Intentionally Left Blank

<PAGE>

Investment Adviser of Tax-Managed Growth Portfolio
Boston Management and Research
24 Federal Street
Boston, MA 02110


Administrator of Eaton Vance Tax-Managed Growth Fund
Eaton Vance Management
24 Federal Street
Boston, MA 02110


Principal Underwriter
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(617) 482-8260


Custodian
Investors Bank & Trust Company
200 Clarendon Street, 16th Floor
Boston, MA 02116


Transfer and Dividend Disbursing Agent
First Data Investor Services Group
Attention:  Eaton Vance Funds
P.O. Box 5123
Westborough, MA 01581-5123


Independent Auditors
Deloitte & Touche LLP
125 Summer Street
Boston, MA 02110



Eaton Vance Tax-Managed Growth Fund
24 Federal Street
Boston, MA 02110





- --------------------------------------------------------------------------------
This report must be preceded or accompanied by a current prospectus which
contains more complete information on the Fund, including its sales charges and
expenses. Please read the prospectus carefully before you invest or send money.
- --------------------------------------------------------------------------------

                                                                      TGSRC-2/99

<PAGE>
 


[LOGO OF EATON VANCE         Mutual Funds
 APPEARS HERE]               for People
                             Who Pay
                             Taxes


Annual Report December 31, 1998



                                  EATON VANCE
                                  TAX-MANAGED
                                    GROWTH
                                     FUND





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