EATON VANCE SECURITIES TRUST
485BPOS, 1995-03-30
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    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MARCH 30, 1995
    

                                                1933 ACT FILE NO. 2-11391
                                                1940 ACT FILE NO. 811-161
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                      SECURITIES AND EXCHANGE COMMISSION

                            WASHINGTON, D.C. 20549

                                  FORM N-1A

                            REGISTRATION STATEMENT

                                    UNDER

                          THE SECURITIES ACT OF 1933              [X]

   
                       POST-EFFECTIVE AMENDMENT NO. 73            [X]
    

                            REGISTRATION STATEMENT

                                    UNDER

                      THE INVESTMENT COMPANY ACT OF 1940          [X]

   
                               AMENDMENT NO. 22                   [X]
    

                         EATON VANCE SECURITIES TRUST
                      (FORMERLY EATON VANCE STOCK FUND)
                      ---------------------------------
              (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)

                24 FEDERAL STREET, BOSTON, MASSACHUSETTS 02110
                   ---------------------------------------
                   (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)

                                (617) 482-8260
                       --------------------------------
                       (REGISTRANT'S TELEPHONE NUMBER)


   
                             H. DAY BRIGHAM, JR.
                24 FEDERAL STREET, BOSTON, MASSACHUSETTS 02110
                      ---------------------------------
                   (NAME AND ADDRESS OF AGENT FOR SERVICE)
    

   
    It is proposed  that this filing  will  become  effective  on March 31, 1995
pursuant to paragraph (b) of Rule 485.

    [X] This  post-effective  amendment  designates a new  effective  date for a
previously filed post-effective amendment.
    

    The exhibit index  required by Rule 483(a) under the  Securities Act of 1933
is located on page -- in the sequential  numbering system of the manually signed
copy of this Registration Statement.

   
    The  Registrant  has  filed a  Declaration  pursuant  to Rule  24f-2  and on
February  22,  1995 filed its  "Notice"  as required by that Rule for the fiscal
year ended December 31, 1994.

    Stock Portfolio has also executed this Registration Statement.
    

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<PAGE>

    This  Amendment to the  registration  statement on Form N-1A consists of the
following documents and papers:

   
    Cross Reference Sheets required by Rule 481(a) under the Securities Act of
1933

    Part A -- The Prospectuses of:
              EV Classic Stock Fund
              EV Marathon Stock Fund
              EV Traditional Stock Fund

    Part B -- The Statements of Additional Information of:
              EV Classic Stock Fund
              EV Marathon Stock Fund
              EV Traditional Stock Fund
    

    Part C -- Other Information

    Signatures

    Exhibit Index Required by Rule 483(a) under the Securities Act of 1933

    Exhibits
<PAGE>
                         EATON VANCE SECURITIES TRUST
                            EV CLASSIC STOCK FUND
                            EV MARATHON STOCK FUND

                            CROSS REFERENCE SHEET
                         ITEMS REQUIRED BY FORM N-1A
                         ---------------------------
PART A
ITEM NO.         ITEM CAPTION                        PROSPECTUS CAPTION
---------------  -------                       -------------------------------
 1.  ..........  Cover Page                    Cover Page
 2.  ..........  Synopsis                      Shareholder and Fund Expenses
 3.  ..........  Condensed Financial           The Fund's Financial
                 Information                     Highlights; Performance
                                                 Information
 4.  ..........  General Description of        The Fund's Investment
                 Registrant                      Objective; How the Fund and
                                                 the Portfolio Invest their
                                                 Assets; Risks; Organization
                                                 of the Fund and the Portfolio
 5.  ..........  Management of the Fund        Management of the Fund and the
                                                 Portfolio
 5A. ..........  Management's Discussion of    Not Applicable
                 Fund Performance
 6.  ..........  Capital Stock and Other       Organization of the Fund and
                 Securities                      the Portfolio; Reports to
                                                 Shareholders; The Lifetime
                                                 Investing Account/
                                                 Distribution Options;
                                                 Distributions and Taxes
 7.  ..........  Purchase of Securities Being  Valuing Fund Shares; How to Buy
                 Offered                         Fund Shares; Distribution
                                                 Plan; The Lifetime Investing
                                                 Account/Distribution Options;
                                                 The Eaton Vance
                                                 Exchange Privilege;
                                                 Eaton Vance
                                                 Shareholder Services
 8.  ..........  Redemption or Repurchase      How to Redeem Fund Shares
 9.  ..........  Pending Legal Proceedings     Not Applicable

PART B
                                                   STATEMENT OF ADDITIONAL
ITEM NO.         ITEM CAPTION                        INFORMATION CAPTION
---------------  ------------                  -------------------------------
10. ...........  Cover Page                    Cover Page
11. ...........  Table of Contents             Table of Contents
12. ...........  General Information and       Other Information
                 History
   
13. ...........  Investment Objectives and     Investment Objective, Policies
                 Policies                        and Restrictions; Other
                                                 Investment Features
    
14. ...........  Management of the Fund        Trustees and Officers; Fees and
                                               Expenses
15. ...........  Control Persons and           Control Persons and Principal
                   Principal Holders of          Holders of Securities
                   Securities                    
   
16. ...........  Investment Advisory and       Investment Adviser and
                 Other Services                  Administrator; Custodian;
                                                 Distribution Plan; Fees and
                                                 Expenses; Independent
                                                 Accountants
    
17. ...........  Brokerage Allocation and      Portfolio Security
                   Other                         Transactions; Fees and
                   Practices                     Expenses
18. ...........  Capital Stock and Other       Other Information
                 Securities
19. ...........  Purchase, Redemption and      Service For Withdrawal;
                   Pricing of                    Principal Underwriter;
                   Securities Being Offered      Determination of Net Asset
                                                 Value; Distribution Plan;
                                                 Fees and Expenses
   
20. ...........  Tax Status                    Taxes; Additional Tax Matters
    
21. ...........  Underwriters                  Principal Underwriter; Fees and
                                                 Expenses
22. ...........  Calculation of Performance    Investment Performance;
                   Data                          Performance Information
23. ...........  Financial Statements          Financial Statements
<PAGE>
   
                         EATON VANCE SECURITIES TRUST
                           EV TRADITIONAL STOCK FUND
                             CROSS REFERENCE SHEET
                          ITEMS REQUIRED BY FORM N-1A
                          ---------------------------
PART A
ITEM NO.         ITEM CAPTION                        PROSPECTUS CAPTION
----------       -------                       -------------------------------
 1.  ..........  Cover Page                    Cover Page
 2.  ..........  Synopsis                      Shareholder and Fund Expenses
 3.  ..........  Condensed Financial           The Fund's Financial
                   Information                   Highlights; Performance
                                                 Information
 4.  ..........  General Description of        The Fund's Investment
                 Registrant                      Objective; How the Fund and
                                                 the Portfolio Invest their
                                                 Assets; Risks; Organization
                                                 of the Fund and the Portfolio
 5.  ..........  Management of the Fund        Management of the Fund and the
                                                 Portfolio
 5A. ..........  Management's Discussion of    Not Applicable
                 Fund Performance
 6.  ..........  Capital Stock and Other       Organization of the Fund and
                 Securities                      the Portfolio; Reports to
                                                 Shareholders; The Lifetime
                                                 Investing Account/
                                                 Distribution Options;
                                                 Distributions and Taxes
 7.  ..........  Purchase of Securities Being  Valuing Fund Shares; How to Buy
                 Offered                         Fund Shares; Service Plan;
                                                 The Lifetime Investing
                                                 Account/Distribution Options;
                                                 The Eaton
                                                 Vance Exchange Privilege;
                                                 Eaton Vance
                                                 Shareholder Services
 8.  ..........  Redemption or Repurchase      How to Redeem Fund Shares
 9.  ..........  Pending Legal Proceedings     Not Applicable

PART B
                                                   STATEMENT OF ADDITIONAL
ITEM NO.         ITEM CAPTION                        INFORMATION CAPTION
---------------  -------                       -------------------------------
10. ...........  Cover Page                    Cover Page
11. ...........  Table of Contents             Table of Contents
12. ...........  General Information and       Other Information
                 History
13. ...........  Investment Objectives and     Investment Objective, Policies
                 Policies                        and Restrictions; Other
                                                 Investment Features
14. ...........  Management of the Fund        Trustees and Officers; Fees and
                                               Expenses
15. ...........  Control Persons and           Control Persons and Principal
                   Principal Holders of          Holders of Securities
                   Securities                    
16. ...........  Investment Advisory and       Investment Adviser and
                 Other Services                  Administrator; Custodian;
                                                 Service Plan; Fees and
                                                 Expenses; Independent
                                                 Accountants
17. ...........  Brokerage Allocation and      Portfolio Security
                   Other Practices               Transactions; Fees and
                                                 Expenses
18. ...........  Capital Stock and Other       Other Information
                 Securities
19. ...........  Purchase, Redemption and      Services For Accumulation;
                   Pricing of                    Service For Withdrawal;
                   Securities Being Offered      Principal Underwriter;
                                                 Determination of Net Asset
                                                 Value; Service Plan; Fees and
                                                 Expenses
20. ...........  Tax Status                    Taxes; Additional Tax Matters
21. ...........  Underwriters                  Principal Underwriter; Fees and
                                                 Expenses
22. ...........  Calculation of Performance    Investment Performance;
                   Data                          Performance Information
23. ...........  Financial Statements          Financial Statements
    
<PAGE>
                                    PART A
                     INFORMATION REQUIRED IN A PROSPECTUS

                            EV CLASSIC STOCK FUND

    EV  CLASSIC  STOCK  FUND (THE  "FUND") IS A MUTUAL  FUND  SEEKING  GROWTH OF
PRINCIPAL  AND  INCOME.  THE FUND  INVESTS  ITS ASSETS IN STOCK  PORTFOLIO  (THE
"PORTFOLIO"),   A  DIVERSIFIED  OPEN-END  INVESTMENT  COMPANY  HAVING  THE  SAME
INVESTMENT  OBJECTIVE  AS THE FUND,  RATHER  THAN BY DIRECTLY  INVESTING  IN AND
MANAGING ITS OWN PORTFOLIO OF SECURITIES AS WITH HISTORICALLY  STRUCTURED MUTUAL
FUNDS. THE FUND IS A SERIES OF EATON VANCE SECURITIES TRUST (THE "TRUST").

    Shares of the Fund are not  deposits or  obligations  of, or  guaranteed  or
endorsed  by,  any bank or other  insured  depository  institution,  and are not
federally  insured by the Federal  Deposit  Insurance  Corporation,  the Federal
Reserve  Board or any  other  government  agency.  Shares  of the  Fund  involve
investment risks,  including fluctuations in value and the possible loss of some
or all of the principal investment.

   
    This Prospectus is designed to provide you with  information you should know
before investing.  Please retain this document for future reference. A Statement
of Additional Information dated April 1, 1995 for the Fund, as supplemented from
time to time, has been filed with the Securities and Exchange  Commission and is
incorporated  herein by reference.  This Statement of Additional  Information is
available  without  charge from the Fund's  principal  underwriter,  Eaton Vance
Distributors,  Inc. (the "Principal Underwriter"), 24 Federal Street, Boston, MA
02110 (telephone (800) 225-6265).  The Portfolio's  investment adviser is Boston
Management and Research (the "Investment Adviser"), a wholly-owned subsidiary of
Eaton Vance  Management,  and Eaton Vance Management is the  administrator  (the
"Administrator")  of the Fund.  The  offices of the  Investment  Adviser and the
Administrator are located at 24 Federal Street, Boston, MA 02110.
    
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    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
     AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
     SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
         PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
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<TABLE>
<CAPTION>
                                                   PAGE                                                 PAGE
<S>                                                <C>   <S>                                            <C>
Shareholder and Fund Expenses .....................   2  How to Buy Fund Shares ........................  12
The Fund's Financial Highlights ...................   3  How to Redeem Fund Shares .....................  13
The Fund's Investment Objective ...................   4  Reports to Shareholders .......................  15
How the Fund and the Portfolio Invest                    The Lifetime Investing Account/Distribution
  their Assets; Risks .............................   4    Options .....................................  15
Organization of the Fund and the Portfolio ........   5  The Eaton Vance Exchange Privilege ............  16
Management of the Fund and the Portfolio ..........   7  Eaton Vance Shareholder Services ..............  17
Distribution Plan .................................   8  Distributions and Taxes .......................  18
Valuing Fund Shares ...............................  11  Performance Information .......................  19
</TABLE>
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                        PROSPECTUS DATED APRIL 1, 1995
<PAGE>
SHAREHOLDER AND FUND EXPENSES \1/
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SHAREHOLDER TRANSACTION EXPENSES
  Sales Charges Imposed on Purchases of Shares                            None
  Sales Charges Imposed on Reinvested Distributions                       None
  Redemption Fees                                                         None
  Fees to Exchange Shares                                                 None
  Contingent Deferred Sales Charge Imposed on Redemptions
    During the First Year (as a percentage of redemption
    proceeds exclusive of all reinvestments and
    capital appreciation in the account)\2/                              1.00%
ANNUAL FUND AND ALLOCATED PORTFOLIO OPERATING EXPENSES
  (as a percentage of average daily net assets)
  Investment Adviser Fee                                                0.625%
  Rule 12b-1 Distribution (and Service) Fees                            1.000%
  Other Expenses                                                        0.355%
                                                                        ------
      Total Operating Expenses                                          1.980%
                                                                        ======
    
EXAMPLE                                                    1 YEAR       3 YEARS
                                                           ------       -------
An investor would pay the following expenses (including a
contingent deferred sales charge in the case of
redemption during the first year after purchase) on a
$1,000 investment, assuming (a) 5% annual return and (b)
redemption at the end of each time period:                   $30           $62

An investor would pay the following expenses on the same
investment, assuming (a) 5% return and (b) no redemptions:   $20           $62

   
Notes:
\1/ The purpose of the above table and Example is to summarize the aggregate
    expenses  of  the  Fund  and  the  Portfolio  and  to  assist  investors  in
    understanding the various costs and expenses that investors in the Fund will
    bear  directly or  indirectly.  The Trustees of the Trust  believe that over
    time the aggregate per share  expenses of the Fund and the Portfolio  should
    be approximately  equal to the per share expenses which the Fund would incur
    if the Trust  retained the services of an investment  adviser and the assets
    of the Fund were invested  directly in the type of securities  being held by
    the  Portfolio.  Because the Fund does not yet have a  sufficient  operating
    history,  the percentages  indicated as Annual Fund and Allocated  Portfolio
    Operating  Expenses in the table and the amounts included in the Example are
    based on the Fund's and the Portfolio's  projected fees and expenses for the
    current  fiscal year ending  December 31, 1995. The table and Example should
    not be  considered a  representation  of past or future  expenses and actual
    expenses  may be  greater  or less than  those  shown.  Moreover,  while the
    Example assumes a 5% annual return,  the Fund's actual performance will vary
    and may result in an annual  return  greater  or less than 5%.  For  further
    information  regarding the expenses of both the Fund and the Portfolio,  see
    "The  Fund's  Financial  Highlights",  "Organization  of the  Fund  and  the
    Portfolio",  "Management  of the Fund and the  Portfolio" and "How to Redeem
    Fund Shares".  Because the Fund makes payments under its  Distribution  Plan
    adopted  under Rule  12b-1,  a long-term  shareholder  may pay more than the
    economic  equivalent of the maximum  front-end  sales charge  permitted by a
    rule  of  the  National   Association  of  Securities   Dealers,   Inc.  See
    "Distribution Plan".
\2/ The  contingent  deferred  sales charge will be imposed on the redemption of
    shares purchased on or after January 30, 1995. No contingent  deferred sales
    charge is  imposed  on (a)  shares  purchased  more  than one year  prior to
    redemption, (b) shares acquired through the reinvestment of distributions or
    (c) any  appreciation  in value of other  shares in the account (see "How to
    Redeem Fund  Shares"),  and no such charge is imposed on  exchanges  of Fund
    shares for shares of one or more other funds  listed  under "The Eaton Vance
    Exchange Privilege."
\3/ Other investment companies with different distribution arrangements and fees
    are investing in the Portfolio and  additional  such  companies may do so in
    the future. See "Organization of the Fund and the Portfolio".
    
<PAGE>
THE FUND'S FINANCIAL HIGHLIGHTS
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The  following  information  should  be read in  conjunction  with  the  audited
financial statements included in the Statement of Additional Information, all of
which has been so  included  in  reliance  upon the  report of Coopers & Lybrand
L.L.P.,  independent  accountants,  as experts in accounting and auditing, which
report  is  contained  in  the  Statement  of  Additional  Information.  Further
information  regarding  the  performance  of the Fund is contained in the Fund's
annual report to shareholders which may be obtained without charge by contacting
the Principal Underwriter.
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FOR THE PERIOD FROM THE START OF BUSINESS, NOVEMBER 4, 1994, TO
DECEMBER 31, 1994
NET ASSET VALUE -- Beginning of period ...........................       $10.00
                                                                         ------

  Income from investment operations:
    Net investment income (loss).................................        $  --
                                                                         ------
    Net realized and unrealized gain (loss) on investments ......         (0.13)
                                                                         ------
      Total income (loss) from investment operations ............        $(0.13)
                                                                         ------
NET ASSET VALUE -- End of period ................................        $ 9.87
                                                                         ======
TOTAL RETURN\1/ .................................................       (1.30)%
RATIOS/SUPPLEMENTAL DATA (to average daily net assets)**:
  Expenses\2/ ...................................................         1.59%+

  Net investment income (loss)...................................         1.01%+
NET ASSETS AT END OF PERIOD (000's omitted) .....................        $  146

**The expenses  related to the  operation of the Fund reflect an  allocation  of
  expenses to the  Administrator.  Had such  action not been  taken,  the ratios
  would have been as follows:

RATIOS (to average daily net assets)
  Expenses\2/ ...................................................        39.84%+
  Net investment income/(loss)...................................      (37.23)%+
  + Computed on an annualized basis.
\1/ 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 the  period
    reported. Dividends and distributions,  if any, are assumed to be reinvested
    at the net asset value on the record date.
\2/Includes the Fund's  share of Stock  Portfolio's  allocated  expenses for the
    period from the Fund's start of business,  November 4, 1994, to December 31,
    1994.
    
<PAGE>
THE FUND'S INVESTMENT OBJECTIVE
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EV CLASSIC STOCK FUND'S  INVESTMENT  OBJECTIVE IS TO PROVIDE GROWTH OF PRINCIPAL
AND INCOME FOR ITS SHAREHOLDERS. The Fund currently seeks to meet its investment
objective by investing its assets in the Stock Portfolio,  a separate registered
investment  company that invests in a number of carefully  selected  securities.
The emphasis is upon common stocks.  The Fund's and the  Portfolio's  investment
objectives are  nonfundamental  and may be changed when  authorized by a vote of
the Tustees of the Trust or the Portfolio,  respectively,  without obtaining the
approval of the Fund's  shareholders  or the investors in the Portfolio,  as the
case may be. The  Trustees of the Trust have no present  intention to change the
Fund's  objective  and  intend to submit  any  proposed  material  change in the
investment objective to shareholders in advance for their approval.
    

HOW THE FUND AND THE PORTFOLIO INVEST THEIR
ASSETS; RISKS
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THE  FUND  SEEKS  TO  ACHIEVE  ITS  INVESTMENT  OBJECTIVE  BY  INVESTING  IN THE
PORTFOLIO. TO ACHIEVE THE PORTFOLIO'S OBJECTIVE, PRIMARY EMPHASIS WILL BE PLACED
ON COMMON STOCKS OF COMPANIES WHICH APPEAR TO OFFER GOOD PROSPECTS FOR INCREASES
IN BOTH EARNINGS AND DIVIDENDS.  The Portfolio will invest  primarily  (i.e., at
least 65% of its total assets during  normal  investment  conditions)  in equity
securities (common and preferred stocks, and securities  convertible into common
stocks).  The  Portfolio's  investments in convertible  debt  securities will be
limited to 20% of net assets.  The criteria for such investments are the same as
those used for the common  stock of the  issuer and  accordingly,  may be of any
credit quality  (including  below  investment  grade).  The Portfolio  purchases
securities  primarily  for  investment,  rather  than  with a view to  realizing
trading profits.  Nevertheless,  portfolio changes are made whenever  considered
advisable in the pursuit of the Portfolio's stated investment objective.

    In seeking to achieve its investment  objective,  or to  consolidate  growth
previously  attained,  the  Portfolio  may  from  time to time  purchase  bonds,
preferred stocks, U.S. Government  obligations and other securities.  Bonds will
constitute 5% or less of net assets and be investment grade (rated Baa or higher
by Moody's Investors Service, Inc. or BBB or higher by Standard & Poor's Ratings
Group or, if unrated,  determined to be of comparable quality by the Portfolio's
Investment  Adviser).  Convertible debt securities that are not investment grade
have  speculative  characteristics  and changes in economic  conditions or other
circumstances  are more likely to lead to a weakened  capacity to make principal
and interest payments than is the case with higher grade debt securities.

    The  Portfolio  may  invest  in  securities   issued  by  foreign  companies
(including American Depository  Receipts and Global Depository  Receipts).  Such
investments may be subject to various risks such as fluctuations in currency and
exchange rates, foreign taxes, social,  political and economic conditions in the
countries in which such companies operate, and changes in governmental, economic
or monetary policies both here and abroad.  There may be less publicly available
information  about a foreign company than about a comparable  domestic  company.
Because the securities markets in many foreign countries are not as developed as
those in the United States,  the  securities of many foreign  companies are less
liquid and their prices are more volatile than securities of comparable domestic
companies.  In order to hedge against  possible  variations in foreign  exchange
rates pending the settlement of foreign securities  transactions,  the Portfolio
may buy or sell foreign currencies.

    An investment in the Fund entails the risk that the principal  value of Fund
shares and the income  earned  thereon  may not  increase  or may  decline.  The
Portfolio's  investments in equity securities are subject to the risk of adverse
developments  affecting  particular companies or industries and the stock market
generally.  Investments  in bonds are  subject  to the risk that the  issuer may
default on its  obligations  to pay principal  and interest.  The value of bonds
tends to increase during periods of falling interest rates and to decline during
periods of rising  interest  rates.  By investing in a diversified  portfolio of
securities,  the Portfolio seeks both to reduce the risks ordinarily inherent in
holding  one  security  or  securities  of a single  issuer and to  improve  the
prospects for possible growth by investing in a substantial  number of prudently
selected securities.  Attainment of the Portfolio's objective cannot, of course,
be assured since its asset value  fluctuates with changes in the market value of
its investments and dividends paid depend upon income received by the Portfolio.

    The Fund and the  Portfolio  have  adopted  certain  fundamental  investment
restrictions  which are  enumerated  in detail in the  Statement  of  Additional
Information and which may not be changed unless authorized by a shareholder vote
or an investor vote,  respectively.  Except for such enumerated restrictions and
as otherwise indicated in this Prospectus, the investment objective and policies
of the Fund and the Portfolio are not  fundamental  policies and accordingly may
be changed by the Trustees of the Trust and the Portfolio  without obtaining the
approval of the Fund's  shareholders  or the investors in the Portfolio,  as the
case may be. If any changes were made in the Fund's  investment  objective,  the
Fund might have an investment  objective  different from the objective  which an
investor considered appropriate at the time the investor became a shareholder of
the Fund.
------------------------------------------------------------------------------
  THE  FUND  IS  NOT  INTENDED  TO  BE  A  COMPLETE  INVESTMENT  PROGRAM,  AND
  PROSPECTIVE  INVESTORS  SHOULD TAKE INTO ACCOUNT THEIR  OBJECTIVES AND OTHER
  INVESTMENTS  WHEN  CONSIDERING THE PURCHASE OF FUND SHARES.  THE FUND CANNOT
  ELIMINATE RISK OR ASSURE ACHIEVEMENT OF ITS OBJECTIVE.
    
------------------------------------------------------------------------------

ORGANIZATION OF THE FUND AND THE PORTFOLIO
------------------------------------------------------------------------------
   
THE FUND IS A DIVERSIFIED  SERIES OF EATON VANCE  SECURITIES  TRUST,  A BUSINESS
TRUST  ESTABLISHED  UNDER  MASSACHUSETTS  LAW PURSUANT TO A DECLARATION OF TRUST
DATED OCTOBER 19, 1990, AS AMENDED,  AS THE SUCCESSOR TO A  MASSACHUSETTS  TRUST
WHICH COMMENCED ITS INVESTMENT COMPANY OPERATIONS IN 1931. THE TRUST IS A MUTUAL
FUND -- AN OPEN-END MANAGEMENT INVESTMENT COMPANY. The Trustees of the Trust are
responsible for the overall management and supervision of its affairs. The Trust
may issue an unlimited number of shares of beneficial interest (no par value per
share) in one or more  series and because  the Trust can offer  separate  series
(such as the Fund) it is known as a "series  company".  Each share represents an
equal   proportionate   beneficial   interest  in  the  Fund.  When  issued  and
outstanding,  the  shares  are  fully  paid and  nonassessable  by the Trust and
redeemable  as described  under "How to Redeem Fund  Shares".  Shareholders  are
entitled  to one vote for each full share held.  Fractional  shares may be voted
proportionately.  Shares have no preemptive or conversion  rights and are freely
transferable.  In the event of the  liquidation  of the Fund,  shareholders  are
entitled  to  share  pro  rata in the  net  assets  of the  Fund  available  for
distribution to shareholders.

    THE  PORTFOLIO  IS  ORGANIZED  AS A TRUST UNDER THE LAWS OF THE STATE OF NEW
YORK AND INTENDS TO BE TREATED AS A PARTNERSHIP  FOR FEDERAL TAX  PURPOSES.  The
Portfolio,  as well as the Trust,  intends to comply with all applicable Federal
and state  securities  laws. The Portfolio's  Declaration of Trust provides that
the Fund and other entities  permitted to invest in the Portfolio  (e.g.,  other
U.S. and foreign  investment  companies,  and common and commingled trust funds)
will each be liable for all obligations of the Portfolio.  However,  the risk of
the Fund  incurring  financial  loss on account of such  liability is limited to
circumstances in which both inadequate insurance exists and the Portfolio itself
is  unable  to meet its  obligations.  Accordingly,  the  Trustees  of the Trust
believe that neither the Fund nor its shareholders will be adversely affected by
reason of the Fund investing in the Portfolio.

SPECIAL INFORMATION ON THE FUND/PORTFOLIO  INVESTMENT STRUCTURE.  An investor in
the Fund  should be aware that the Fund,  unlike  mutual  funds  which  directly
acquire and manage  their own  portfolios  of  securities,  seeks to achieve its
investment  objective  by investing  its assets in an interest in the  Portfolio
(although the Fund may temporarily hold a de minimus amount of cash), which is a
separate investment company with an identical investment  objective.  Therefore,
the Fund's  interest in the  securities  owned by the Portfolio is indirect.  In
addition to selling an interest to the Fund, the Portfolio may sell interests to
other affiliated and  non-affiliated  mutual funds or  institutional  investors.
Such investors will invest in the Portfolio on the same terms and conditions and
will pay a proportionate share of the Portfolio's  expenses.  However, the other
investors  investing in the  Portfolio  are not required to sell their shares at
the  same  public  offering  price  as the  Fund  due  to  variations  in  sales
commissions  and other  operating  expenses.  Therefore,  investors  in the Fund
should be aware that these  differences  may  result in  differences  in returns
experienced by investors in the various funds that invest in the Portfolio. Such
differences  in  returns  are also  present  in other  mutual  fund  structures,
including funds that have multiple classes of shares. For information  regarding
the investment objective, policies and restrictions,  see "The Fund's Investment
Objective"  and "How the Fund and the  Portfolio  Invest their  Assets;  Risks".
Further information regarding investment practices may be found in the Statement
of Additional Information.
    

    The Trustees of the Trust have  considered the advantages and  disadvantages
of investing the assets of the Fund in the Portfolio,  as well as the advantages
and  disadvantages  of the  two-tier  format.  The  Trustees  believe  that  the
structure  offers  opportunities  for  substantial  growth in the  assets of the
Portfolio, and affords the potential for economies of scale for the Fund.

   
    The Fund may withdraw  (completely redeem) all its assets from the Portfolio
at any time if the Board of Trustees of the Trust  determines  that it is in the
best  interest  of  the  Fund  to  do  so.  The  investment  objective  and  the
nonfundamental  investment policies of the Fund and the Portfolio may be changed
by the Trustees of the Trust and the Portfolio without obtaining the approval of
the shareholders of the Fund or the investors in the Portfolio,  as the case may
be. Any such change of the investment objective will be preceded by thirty days'
advance  written notice to the  shareholders of the Fund or the investors in the
Portfolio,  as the case may be. If a  shareholder  redeems  shares  because of a
change in the nonfundamental objective or policies of the Fund, those shares may
be subject to a contingent deferred sales charge, as described in "How to Redeem
Fund  Shares".  In the  event  the Fund  withdraws  all of its  assets  from the
Portfolio,  or the Board of Trustees of the Trust determines that the investment
objective of the Portfolio is no longer consistent with the investment objective
of the Fund, such Trustees would consider what action might be taken,  including
investing  the  assets  of the  Fund in  another  pooled  investment  entity  or
retaining an investment  adviser to manage the Fund's assets in accordance  with
its investment objective. The Fund's investment performance may be affected by a
withdrawal of all its assets from the Portfolio.

    Information regarding other pooled investment entities or funds which invest
in the Portfolio may be obtained by contacting  Eaton Vance  Distributors,  Inc.
(the "Principal  Underwriter" or "EVD"),  24 Federal Street,  Boston,  MA 02110,
(617) 482-8260.  Smaller investors in the Portfolio may be adversely affected by
the  actions of larger  investors  in the  Portfolio.  For  example,  if a large
investor  withdraws from the Portfolio,  the remaining  investors may experience
higher  pro  rata  operating   expenses,   thereby   producing   lower  returns.
Additionally,  the  Portfolio  may become less  diverse,  resulting in increased
portfolio  risk, and experience  decreasing  economies of scale.  However,  this
possibility exists as well for historically structured funds which have large or
institutional investors.
    

    Until  recently,  the  Administrator   sponsored  and  advised  historically
structured funds. Funds which invest all their assets in interests in a separate
investment  company are a relatively new development in the mutual fund industry
and,  therefore,  the  Fund  may  be  subject  to  additional  regulations  than
historically structured funds.

    The  Declaration of Trust of the Portfolio  provides that the Portfolio will
terminate  120 days  after  the  complete  withdrawal  of the Fund or any  other
investor in the Portfolio,  unless either the remaining investors,  by unanimous
vote at a meeting  of such  investors,  or a  majority  of the  Trustees  of the
Portfolio,  by  written  instrument  consented  to by all  investors,  agree  to
continue the  business of the  Portfolio.  This  provision  is  consistent  with
treatment of the Portfolio as a partnership for Federal income tax purposes. See
"Distributions  and  Taxes" for  further  information.  Whenever  the Fund as an
investor in the  Portfolio  is requested  to vote on matters  pertaining  to the
Portfolio (other than the termination of the Portfolio's business,  which may be
determined by the Trustees of the Portfolio without investor approval), the Fund
will hold a meeting  of Fund  shareholders  and will  vote its  interest  in the
Portfolio for or against such matters  proportionately  to the  instructions  to
vote for or against such matters received from Fund shareholders. The Fund shall
vote shares for which it receives no voting  instructions in the same proportion
as the shares for which it receives voting instructions.  Other investors in the
Portfolio may alone or collectively  acquire  sufficient voting interests in the
Portfolio to control matters  relating to the operation of the Portfolio,  which
may require the Fund to withdraw its  investment  in the Portfolio or take other
appropriate action. Any such withdrawal could result in a distribution "in kind"
of portfolio  securities (as opposed to a cash distribution from the Portfolio).
If securities  are  distributed,  the Fund could incur  brokerage,  tax or other
charges in converting the securities to cash. In addition,  the  distribution in
kind may result in a less  diversified  portfolio  of  investments  or adversely
affect the  liquidity of the Fund.  Notwithstanding  the above,  there are other
means for meeting shareholder redemption requests, such as borrowing.

    The  Trustees  of the  Trust,  including  a  majority  of the  noninterested
Trustees,  have approved written procedures designed to identify and address any
potential  conflicts of interest  arising from the fact that the Trustees of the
Trust and the Trustees of the Portfolio are the same.  Such  procedures  require
each Board to take action to resolve any  conflict of interest  between the Fund
and the Portfolio,  and it is possible that the creation of separate  Boards may
be considered.  For further information  concerning the Trustees and officers of
the Trust and the Portfolio, see the Statement of Additional Information.

MANAGEMENT OF THE FUND AND THE PORTFOLIO
------------------------------------------------------------------------------
THE PORTFOLIO  ENGAGES BOSTON  MANAGEMENT AND RESEARCH  ("BMR"),  A WHOLLY-OWNED
SUBSIDIARY OF EATON VANCE MANAGEMENT ("EATON VANCE"), AS ITS INVESTMENT ADVISER.
EATON VANCE,  ITS  AFFILIATES AND ITS  PREDECESSOR  COMPANIES HAVE BEEN MANAGING
ASSETS OF  INDIVIDUALS  AND  INSTITUTIONS  SINCE  1924 AND  MANAGING  INVESTMENT
COMPANIES SINCE 1931.

   
    Acting  under  the  general  supervision  of the  Board of  Trustees  of the
Portfolio,  BMR manages  the  Portfolio's  investments  and  affairs.  Under its
investment  advisory  agreement  with the  Portfolio,  BMR  receives  a  monthly
advisory fee of 5/96 of 1% (equivalent to 0.625%  annually) of the average daily
net assets of the Portfolio.  For the period from the start of business,  August
1, 1994, to December 31, 1994, the Portfolio  paid BMR advisory fees  equivalent
to 0.625%  (annualized)  of the  Portfolio's  average  daily net assets for such
period.

    BMR  also  furnishes  for  the use of the  Portfolio  office  space  and all
necessary  office   facilities,   equipment  and  personnel  for  servicing  the
investments  of the Portfolio.  The Portfolio is responsible  for the payment of
all of its expenses other than those expressly stated to be payable by BMR under
the investment advisory agreement.

    BMR places the portfolio  transactions  of the Portfolio for execution  with
many  broker-dealer  firms and uses its best efforts to obtain execution of such
transactions at prices which are advantageous to the Portfolio and at reasonably
competitive  commission rates. Subject to the foregoing,  BMR may consider sales
of shares of the Fund or of other investment companies sponsored by BMR or Eaton
Vance as a factor in the selection of broker-dealer  firms to execute  portfolio
transactions.

    Duncan W.  Richardson  has acted as the  portfolio  manager of the Portfolio
since it commenced operations. He has been a Vice President of Eaton Vance since
1987 and of BMR since 1992.
    

    BMR OR EATON VANCE ACTS AS INVESTMENT  ADVISER TO  INVESTMENT  COMPANIES AND
VARIOUS  INDIVIDUAL AND  INSTITUTIONAL  CLIENTS WITH ASSETS UNDER  MANAGEMENT OF
APPROXIMATELY  $15 BILLION.  Eaton Vance is a  wholly-owned  subsidiary of Eaton
Vance Corp.,  a publicly held holding  company.  Eaton Vance Corp.,  through its
subsidiaries  and  affiliates,  engages in investment  management  and marketing
activities,  fiduciary and banking services, oil and gas operations, real estate
investment,  consulting  and  management,  and  development  of precious  metals
properties.

    The Trust has retained  the services of Eaton Vance to act as  Administrator
of the Fund.  The Trust has not retained the services of an  investment  adviser
since  the  Trust  seeks to  achieve  the  investment  objective  of the Fund by
investing  the Fund's assets in the  Portfolio.  As  Administrator,  Eaton Vance
provides the Fund with general  office  facilities  and  supervises  the overall
administration of the Fund. For these services Eaton Vance currently receives no
compensation.  The  Trustees  of the  Trust may  determine,  in the  future,  to
compensate Eaton Vance for such services.

    The Portfolio and the Fund, as the case may be, will each be responsible for
all of its respective  costs and expenses not expressly  stated to be payable by
BMR  under  the  investment  advisory  agreement,   by  Eaton  Vance  under  the
administrative  services agreement,  or by EVD under the distribution agreement.
Such costs and expenses to be borne by the  Portfolio  and the Fund, as the case
may be,  include,  without  limitation:  custody  and  transfer  agency fees and
expenses,  including  those incurred for determining net asset value and keeping
accounting books and records;  expenses of pricing and valuation  services;  the
cost of share certficates;  membership dues in investment company organizations;
expenses  of  acquiring,   holding  and   disposing  of  securities   and  other
investments;  fees and expenses of registering under the securities laws and the
governmental  fees;  expenses of reporting to shareholders and investors;  proxy
statements and other expenses of shareholders' or investors' meetings; insurance
premiums;  printing and mailing  expenses;  interest,  taxes and corporate fees;
legal and  accounting  expenses;  compensation  and  expenses  of  Trustees  not
affiliated with BMR or Eaton Vance;  and investment  advisory fees, and, if any,
administrative  services  fees.  The  Portfolio and the Fund will also each bear
expenses  incurred in connection  with  litigation in which the Portfolio or the
Fund,  as the case may be, is a party and any legal  obligation to indemnify its
respective officers and Trustees with respect thereto.

DISTRIBUTION PLAN
------------------------------------------------------------------------------
   
THE FUND FINANCES  DISTRIBUTION  ACTIVITIES AND HAS ADOPTED A DISTRIBUTION  PLAN
(THE "PLAN")  PURSUANT TO RULE 12B-1 UNDER THE  INVESTMENT  COMPANY ACT OF 1940.
Rule 12b-1  permits a mutual  fund,  such as the Fund,  to finance  distribution
activities  and bear expenses  associated  with the  distribution  of its shares
provided  that any payments made by the Fund are made pursuant to a written plan
adopted in accordance  with the Rule. The Plan is subject to, and complies with,
the sales charge rule of the National  Association of Securities  Dealers,  Inc.
(the "NASD Rule").  The Plan is described further in the Statement of Additional
Information,  and the following is a description of the salient  features of the
Plan. The Plan provides that the Fund,  subject to the NASD Rule, will pay sales
commissions and distribution fees to the Principal Underwriter only after and as
a  result  of the  sale of  shares  of the  Fund.  On each  sale of Fund  shares
(excluding  reinvestment  of  distributions)  the Fund  will  pay the  Principal
Underwriter  amounts  representing (i) sales  commissions  equal to 6.25% of the
amount  received  by the Fund for each  share  sold and (ii)  distribution  fees
calculated  by applying the rate of 1% over the prime rate then  reported in The
Wall Street Journal to the outstanding balance of Uncovered Distribution Charges
(as described below) of the Principal Underwriter. On sales of shares made prior
to January 30, 1995,  the  Principal  Underwriter  currently  pays monthly sales
commissions  to a  financial  service  firm (an  "Authorized  Firm") in  amounts
anticipated to be equivalent to .75%,  annualized,  of the assets  maintained in
the Fund by the  customers of such Firm.  On sales of shares made on January 30,
1995 and thereafter,  the Principal  Underwriter  currently expects to pay to an
Authorized  Firm (a) sales  commissions  (except on  exchange  transactions  and
reinvestments)  at the time of sale equal to .75% of the  purchase  price of the
shares  sold by such  Firm,  and (b)  monthly  sales  commissions  approximately
equivalent  to 1/12 of  .75%  of the  value  of  shares  sold by such  Firm  and
remaining  outstanding  for at least one year. The Plan is designed to permit an
investor to purchase Fund shares through an Authorized Firm without incurring an
initial  sales charge and at the same time permit the Principal  Underwriter  to
compensate Authorized Firms in connection with the sale of Fund shares.
    

    THE NASD  RULE  REQUIRES  THE FUND TO LIMIT  ITS  ANNUAL  PAYMENTS  OF SALES
COMMISSIONS AND DISTRIBUTION FEES TO THE PRINCIPAL  UNDERWRITER TO AN AMOUNT NOT
EXCEEDING  .75% OF THE FUND'S  AVERAGE  DAILY NET ASSETS FOR EACH  FISCAL  YEAR.
Under its Plan the Fund accrues  daily an amount at the rate of 1/365 of .75% of
the Fund's net assets,  and pays such accrued  amounts  monthly to the Principal
Underwriter.  The Plan requires such accruals to be  automatically  discontinued
during  any  period in which  there are no  outstanding  Uncovered  Distribution
Charges under the Plan. Uncovered Distribution Charges are calculated daily and,
briefly, are equivalent to all unpaid sales commissions and distribution fees to
which the Principal  Underwriter  is entitled under the Plan less all contingent
deferred sales charges theretofore paid to the Principal Underwriter.  The Eaton
Vance organization may be considered to have realized a profit under the Plan if
at any point in time the aggregate amounts of all payments made to the Principal
Underwriter  pursuant  to the Plan,  including  any  contingent  deferred  sales
charges,   have  exceeded  the  total  expenses  theretofore  incurred  by  such
organization in distributing shares of the Fund. Total expenses for this purpose
will include an allocable portion of the overhead costs of such organization and
its branch offices.

    The amount payable by the Fund to the Principal  Underwriter pursuant to the
Plan with  respect to each day will be accrued on such day as a liability of the
Fund and will accordingly reduce the Fund's net assets upon such accrual, all in
accordance with generally accepted accounting principles.  The amount payable on
each day is limited  to 1/365 of .75% of the Fund's net assets on such day.  The
level of the Fund's net assets  changes  each day and depends upon the amount of
sales  and  redemptions  of  Fund  shares,  the  changes  in  the  value  of the
investments  held by the  Portfolio,  the expenses of the Fund and the Portfolio
accrued and allocated to the Fund on such day,  income on portfolio  investments
of the  Portfolio  accrued  and  allocated  to the  Fund  on such  day,  and any
dividends and  distributions  declared on Fund shares.  The Fund does not accrue
possible future payments as a liability of the Fund or reduce the Fund's current
net assets in respect of unknown amounts which may become payable under the Plan
in the future  because  the  standards  for  accrual of a  liability  under such
accounting principles have not been satisfied.

   
    The Plan provides that the Fund will receive all  contingent  deferred sales
charges and will make no payments to the Principal Underwriter in respect of any
day on which  there are no  outstanding  Uncovered  Distribution  Charges of the
Principal  Underwriter.  Contingent  deferred sales charges and accrued  amounts
will be paid by the  Fund to the  Principal  Underwriter  whenever  there  exist
Uncovered Distribution Charges under the Plan.
    

    The  provisions  of the Plan relating to payments of sales  commissions  and
distribution  fees  to  the  Principal  Underwriter  are  also  included  in the
Distribution Agreement between the Trust on behalf of the Fund and the Principal
Underwriter.  The Plan continues in effect through and including April 28, 1995,
and  shall  continue  in  effect  indefinitely  thereafter  for so  long as such
continuance  is approved at least annually by the vote of both a majority of (i)
the  Trustees of the Trust who are not  interested  persons of the Trust and who
have no direct or indirect  financial  interest in the  operation of the Plan or
any agreements  related to the Plan (the "Rule 12b-1  Trustees") and (ii) all of
the Trustees then in office,  and the Distribution  Agreement contains a similar
provision.  The Plan and Distribution Agreement may be terminated at any time by
vote of a majority of the Rule 12b-1  Trustees or by a vote of a majority of the
outstanding voting securities of the Fund.

    Periods with a high level of sales of Fund shares accompanied by a low level
of early  redemptions  of Fund shares  resulting in the imposition of contingent
deferred  sales  charges  will tend to increase the time during which there will
exist Uncovered Distribution Charges of the Principal  Underwriter.  Conversely,
periods with a low level of sales of Fund shares  accompanied by a high level of
early  redemptions  of Fund shares  resulting in the  imposition  of  contingent
deferred  sales  charges  will tend to reduce the time  during  which there will
exist Uncovered Distribution Charges of the Principal Underwriter.

   
    Because of the NASD Rule  limitation on the amount of sales  commissions and
distribution  fees paid to the Principal  Underwriter  during any fiscal year, a
high  level of sales of Fund  shares  during  the  initial  years of the  Fund's
operations would cause a large portion of the sales commission attributable to a
sale of  Fund  shares  to be  accrued  and  paid  by the  Fund to the  Principal
Underwriter  in fiscal  years  subsequent  to the year in which such shares were
sold.  This  spreading  of sales  commissions  payments  under  the Plan over an
extended  period  would  result  in the  incurrence  and  payment  of  increased
distribution  fees under the Plan.  For the period  from the start of  business,
November  4,  1994,  to  December  31,  1994,  the Fund  paid or  accrued  sales
commissions under the Plan equivalent to .75% (annualized) of the Fund's average
daily net assets  for such  period.  As at  December  31,  1994,  the  Uncovered
Distribution  Charges of the  Principal  Underwriter  calculated  under the Plan
amounted to approximately  $8,794  (equivalent to 6.04% of the Fund's net assets
on such day).

    THE PLAN ALSO  AUTHORIZES  THE FUND TO MAKE  PAYMENTS OF SERVICE FEES TO THE
PRINCIPAL  UNDERWRITER,  AUTHORIZED  FIRMS  AND OTHER  PERSONS  IN  AMOUNTS  NOT
EXCEEDING  .25% OF THE FUND'S AVERAGE DAILY NET ASSETS FOR EACH FISCAL YEAR. The
Trustees of the Trust have initially  implemented  the Plan by  authorizing  the
Fund to make  monthly  service fee  payments  to the  Principal  Underwriter  in
amounts not expected to exceed .25% of the Fund's  average  daily net assets for
any fiscal year.  The Fund accrues the service fee daily at the rate of 1/365 of
.25% of the  Fund's net  assets.  On sales of shares  made prior to January  30,
1995, the Principal  Underwriter currently makes monthly service fee payments to
an Authorized Firm in amounts anticipated to be equivalent to .25%,  annualized,
of the assets  maintained in the Fund by the customers of such Firm. On sales of
shares  made on January  30,  1995 and  thereafter,  the  Principal  Underwriter
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 .25% of
the purchase price of the shares sold by such Firm, and (b) monthly service fees
approximately  equivalent  to 1/12 of .25% of the value of  shares  sold by such
Firm and  remaining  outstanding  for at least one year.  During  the first year
after a purchase  of Fund  shares,  the  Principal  Underwriter  will retain the
service fee as reimbursement  for the service fee payment made to the Authorized
Firm at the  time of sale.  As  permitted  by the NASD  Rule,  all  service  fee
payments are made for personal  services  and/or the  maintenance of shareholder
accounts.  Service fees are separate and distinct from the sales commissions and
distribution fees payable by the Fund to the Principal Underwriter,  and as such
are not  subject  to  automatic  discontinuance  when  there are no  outstanding
Uncovered Distribution Charges of the Principal Underwriter. For the period from
the start of business,  November 4, 1994, to December 31, 1994, the Fund paid or
accrued  service  fees under the Plan  equivalent  to .25%  (annualized)  of the
Fund's  average  daily net assets for such  period.  On sales of shares  made on
January 30, 1995 and  thereafter,  the Fund  expects to begin  accruing  for its
service fee for the benefit of  Authorized  Firms  during the  thirteenth  month
following a sale of Fund shares.

    As currently  implemented by the Trustees,  the Plan authorizes  payments of
sales  commissions,   distribution  fees  and  service  fees  to  the  Principal
Underwriter  which may be  equivalent,  on an aggregate  basis during any fiscal
year of the Fund,  to 1% of the Fund's  average  daily net assets for such year.
The Fund  believes  that the combined  rate of all these  payments may be higher
than the  rate of  payments  made  under  distribution  plans  adopted  by other
investment companies pursuant to Rule 12b-1.  Although the Principal Underwriter
will  use  its own  funds  (which  may be  borrowed  from  banks)  to pay  sales
commissions  and service fees at the time of sale,  it is  anticipated  that the
Eaton  Vance  organization  will profit by reason of the  operation  of the Plan
through  increases in the Fund's assets  (thereby  increasing  the advisory fees
payable to BMR by the Portfolio) resulting from sales of Fund shares and through
amounts paid under the Plan to the Principal Underwriter and contingent deferred
sales charges paid to the Principal Underwriter.

    The  Principal  Underwriter  may,  from  time to time,  at its own  expense,
provide  additional  incentives  to  Authorized  Firms which  employ  registered
representatives  who sell a minimum  dollar  amount of the Fund's  shares and/or
shares  of  other  funds  distributed  by the  Principal  Underwriter.  In  some
instances,  such additional incentives may be offered only to certain Authorized
Firms whose  representatives are expected to sell significant amounts of shares.
In  addition,  the  Principal  Underwriter  may from  time to time  increase  or
decrease the sales commissions payable to Authorized Firms.
    

    The Fund may, in its absolute discretion,  suspend, discontinue or limit the
offering  of its shares at any time.  In  determining  whether  any such  action
should be taken, the Fund's management intends to consider all relevant factors,
including  without  limitation the size of the Fund, the investment  climate and
market  conditions,  the volume of sales and redemptions of Fund shares, and the
amount of Uncovered Distribution Charges of the Principal Underwriter.  The Plan
may  continue in effect and payments  may be made under the Plan  following  any
such  suspension,  discontinuance  or limitation of the offering of Fund shares;
however,  the Fund is not  contractually  obligated to continue the Plan for any
particular period of time.  Suspension of the offering of Fund shares would not,
of course, affect a shareholder's ability to redeem shares.

VALUING FUND SHARES
------------------------------------------------------------------------------
   
THE FUND  VALUES ITS SHARES  ONCE ON EACH DAY THE NEW YORK STOCK  EXCHANGE  (THE
"EXCHANGE")  IS OPEN FOR  TRADING,  as of the close of  regular  trading  on the
Exchange  (normally  4:00 p.m.  New York  time).  The Fund's net asset value per
share is determined by its custodian,  Investors  Bank & Trust Company  ("IBT"),
(as agent for the Fund) in the manner  authorized  by the Trustees of the Trust.
Net asset value is computed by dividing  the value of the Fund's  total  assets,
less its  liabilities,  by the number of shares  outstanding.  Because  the Fund
invests its assets in an interest in the  Portfolio,  the Fund's net asset value
will  reflect  the  value of its  interest  in the  Portfolio  (which,  in turn,
reflects the underlying value of the Portfolio's assets and liabilities).
    

    Authorized  Firms must  communicate  an  investor's  order to the  Principal
Underwriter  prior to the close of the Principal  Underwriter's  business day to
receive that day's net asset value per Fund share.  It is the Authorized  Firms'
responsibility to transmit orders promptly to the Principal  Underwriter,  which
is a wholly-owned subsidiary of Eaton Vance.

   
    The  Portfolio's  net  asset  value is also  determined  as of the  close of
regular  trading  on the  Exchange  by IBT  (as  custodian  and  agent  for  the
Portfolio) in the manner authorized by the Trustees of the Portfolio.  Net asset
value is computed by subtracting the liabilities of the Portfolio from the value
of its total assets.  Securities listed on securities exchanges or in the NASDAQ
National Market are valued at closing sale prices. Unlisted or listed securities
for which  closing sale prices are not  available are valued at the mean between
the latest bid and asked  prices.  Securities  for which market  quotations  are
unavailable, including any security the disposition of which is restricted under
the  Securities  Act of 1933,  and other  assets will be appraised at their fair
value as  determined in good faith by or at the direction of the Trustees of the
Portfolio.  Short-term  obligations maturing in sixty days or less are valued at
original cost which, when combined with amortized  discount or accrued interest,
approximates  market.  For further  information  regarding  the  valuation of an
interest  in the  Portfolio,  see  "Determination  of Net  Asset  Value"  in the
Statement  of  Additional  Information.  Eaton  Vance  Corp.  owns  77.3% of the
outstanding stock of IBT, the Fund's and the Portfolio's custodian.
------------------------------------------------------------------------------
  SHAREHOLDERS  MAY  DETERMINE THE VALUE OF THEIR  INVESTMENT BY MULTIPLYING
  THE NUMBER OF FUND SHARES OWNED BY THE CURRENT NET ASSET VALUE PER SHARE.
    
------------------------------------------------------------------------------

HOW TO BUY FUND SHARES
------------------------------------------------------------------------------

SHARES OF THE FUND MAY BE PURCHASED  FOR CASH OR MAY BE ACQUIRED IN EXCHANGE FOR
SECURITIES.  Investors may purchase shares of the Fund through  Authorized Firms
at the net asset value per share of the Fund next  determined  after an order is
effective.  The Fund may  suspend  the  offering  of  shares at any time and may
refuse an order for the purchase of shares.

   
    An initial  investment in the Fund must be at least $1,000.  Once an account
has been  established  the investor may send  investments  of $50 or more at any
time directly to the Fund's  Transfer Agent (the  "Transfer  Agent") as follows:
The Shareholder  Services Group, Inc., BOS725,  P.O. Box 1559, Boston, MA 02104.
The $1,000 minimum  initial  investment is waived for Bank  Automated  Investing
accounts, which may be established with an investment of $50 or more. See "Eaton
Vance Shareholder Services".

    In connection with employee benefit or other continuous group purchase plans
under which the average initial  purchase by a participant of the plan is $1,000
or more, the Fund may accept initial investments of less than $1,000 on the part
of an individual participant. In the event a shareholder who is a participant of
such a plan  terminates  participation  in the plan,  his or her shares  will be
transferred  to a regular  individual  account.  However,  such  account will be
subject to the right of redemption by the Fund as described under "How to Redeem
Fund Shares".

    ACQUIRING FUND SHARES IN EXCHANGE FOR SECURITIES. IBT, as escrow agent, will
receive securities acceptable to Eaton Vance, as Administrator,  in exchange for
Fund shares at their net asset value as determined  above.  The minimum value of
securities (or  securities and cash) accepted for deposit is $5,000.  Securities
accepted  will be sold by IBT as agent for the account of their owner on the day
of their receipt by IBT or as soon  thereafter  as possible.  The number of Fund
shares to be issued in exchange for  securities  will be the aggregate  proceeds
from the sale of such securities,  divided by the applicable net asset value per
Fund  share  on the day  such  proceeds  are  received.  Eaton  Vance  will  use
reasonable  efforts to obtain the then current market price for such  securities
but does not guarantee  the best  available  price.  Eaton Vance will absorb any
transaction costs, such as commissions, on the sale of the securities.
    

    Securities  determined to be acceptable should be transferred via book entry
or  physically  delivered,  in proper form for  transfer,  through an Authorized
Firm,  together with a completed and signed  Letter of  Transmittal  in approved
form (available from Authorized Firms), as follows:

    IN THE CASE OF BOOK ENTRY:
        Deliver through Depository Trust Co.
        Broker #2212
        Investors Bank & Trust Company
        For A/C EV Classic Stock Fund
    IN THE CASE OF PHYSICAL DELIVERY:
        Investors Bank & Trust Company
        Attention: EV Classic Stock Fund
        Physical Securities Processing Settlement Area
        89 South Street
        Boston, MA 02111

    Investors who are  contemplating an exchange of securities for shares of the
Fund, or their representatives,  are advised to contact Eaton Vance to determine
whether the securities are acceptable  before forwarding such securities to IBT.
Eaton Vance reserves the right to reject any securities.  Exchanging  securities
for Fund shares may create a taxable gain or loss.  Each investor should consult
his or her tax adviser with respect to the particular  Federal,  state and local
tax consequences of exchanging securities for Fund shares.

------------------------------------------------------------------------------
  IF YOU DON'T HAVE AN AUTHORIZED FIRM, EATON VANCE CAN RECOMMEND ONE.
------------------------------------------------------------------------------

HOW TO REDEEM FUND SHARES
------------------------------------------------------------------------------

A SHAREHOLDER MAY REDEEM FUND SHARES BY DELIVERING TO THE  SHAREHOLDER  SERVICES
GROUP, INC.,  BOS725,  P.O. BOX 1559, BOSTON,  MASSACHUSETTS  02104,  during its
business hours a written  request for  redemption in good order,  plus any share
certificates  with executed stock powers.  The redemption price will be based on
the net asset value per Fund share next computed after such delivery. Good order
means that all  relevant  documents  must be  endorsed  by the record  owner (s)
exactly as the shares are registered and the signature(s)  must be guaranteed by
a member of either the Securities  Transfer  Association's  STAMP program or the
New York Stock Exchange's Medallion Signature Program, or certain banks, savings
and loan institutions,  credit unions, securities dealers, securities exchanges,
clearing  agencies  and  registered  securities  associations  as  required by a
regulation of the  Securities and Exchange  Commission  (the  "Commission")  and
acceptable to The Shareholder  Services Group, Inc. In addition,  in some cases,
good order may require the  furnishing  of  additional  documents  such as where
shares are registered in the name of a corporation, partnership or fiduciary.

   
    Within seven days after receipt of a redemption request in good order by The
Shareholder Services Group, Inc., the Fund will make payment in cash for the net
asset value of the shares as of the date determined above, reduced by the amount
of any applicable  contingent  deferred sales charge  (described  below) and any
Federal income tax required to be withheld.  Although the Fund normally  expects
to make payment in cash for redeemed  shares,  the Trust,  subject to compliance
with applicable regulations,  has reserved the right to pay the redemption price
of shares of the Fund, either totally or partially, by a distribution in kind of
readily  marketable  securities  withdrawn by the Fund from the  Portfolio.  The
securities so distributed would be valued pursuant to the Portfolio's  valuation
procedures.  If a shareholder  received a distribution  in kind, the shareholder
could incur brokerage or other charges in converting the securities to cash.

    To sell  shares at their net  asset  value  through  an  Authorized  Firm (a
repurchase),  a  shareholder  can place a repurchase  order with the  Authorized
Firm,  which may  charge a fee.  The value of such  shares is based upon the net
asset value calculated after EVD, as the Fund's agent, receives the order. It is
the Authorized Firm's  responsibility to transmit promptly  repurchase orders to
EVD.  Throughout this Prospectus,  with word  "redemption" is generally meant to
include a repurchase.
    

    If  shares  were  recently   purchased,   the  proceeds  of  redemption  (or
repurchase) will not be sent until the check (including a certified or cashier's
check)  received  for the  shares  purchased  has  cleared.  Payment  for shares
tendered for redemption may be delayed up to 15 days from the purchase date when
the purchase check has not yet cleared. Redemptions or repurchases may result in
a taxable gain or loss.

   
    Due to the high cost of maintaining  small  accounts,  the Fund reserves the
right to redeem  accounts  with  balances of less than  $1,000.  Prior to such a
redemption,  shareholders  will be  given  60 days'  written  notice  to make an
additional  purchase.  Thus, an investor making an initial  investment of $1,000
would  not be able to  redeem  shares  without  being  subject  to this  policy.
However,  no such  redemption  would be required by the Fund if the cause of the
low account  balance was a reduction in the net asset value of Fund  shares.  No
contingent   deferred  sales  charge  will  be  imposed  with  respect  to  such
involuntary redemptions.

CONTINGENT DEFERRED SALES CHARGE.  Shares purchased on or after January 30, 1995
and redeemed  within the first year of their purchase  (except  shares  acquired
through  the  reinvestment  of  distributions)  generally  will be  subject to a
contingent  deferred  sales charge.  This  contingent  deferred  sales charge is
imposed on any redemption the amount of which exceeds the aggregate value at the
time of redemption of (a) all shares in the account purchased more than one year
prior  to the  redemption,  (b)  all  shares  in the  account  acquired  through
reinvestment  of  distributions,  and (c) the increase,  if any, of value of all
other shares in the account  (namely those  purchased  within the year preceding
the  redemption)  over  the  purchase  price  of such  shares.  Redemptions  are
processed in a manner to maximize the amount of redemption  proceeds  which will
not be subject to a contingent  deferred sales charge.  That is, each redemption
will be assumed to have been made first from the exempt  amounts  referred to in
clauses (a), (b) and (c) above,  and second through  liquidation of those shares
in the account  referred to in clause (c) on a  first-in-first-  out basis.  Any
contingent  deferred  sales  charge  which is  required  to be  imposed on share
redemptions will be equal to 1% of the net asset value of redeemed shares.

    In calculating  the contingent  deferred sales charge upon the redemption of
Fund shares acquired in an exchange for shares of a fund currently  listed under
"The Eaton Vance Exchange  Privilege,"  the purchase of Fund shares  acquired in
the exchange is deemed to have occurred at the time of the original  purchase of
the exchanged shares.

    No  contingent  deferred  sales  charge will be imposed on Fund shares which
have  been  sold to  Eaton  Vance  or its  affiliates,  or to  their  respective
employees or clients.  The contingent  deferred sales charge will also be waived
for  shares  redeemed  (1)  pursuant  to a  Withdrawal  Plan (see  "Eaton  Vance
Shareholder  Services"),  (2) as part of a distribution  from a retirement  plan
qualified under Section 401, 403(b) or 457 of the Internal Revenue Code of 1986,
as amended (the "Code"), or (3) as part of a minimum required  distribution from
other tax-sheltered  retirement plans. The contingent deferred sales charge will
be paid to the  Principal  Underwriter  or the Fund.  When paid to the Principal
Underwriter  it  will  reduce  the  amount  of  Uncovered  Distribution  Charges
calculated under the Fund's Distribution Plan. See "Distribution Plan."
    

REPORTS TO SHAREHOLDERS
------------------------------------------------------------------------------
   
THE  FUND  WILL  ISSUE  TO  ITS  SHAREHOLDERS  SEMI-ANNUAL  AND  ANNUAL  REPORTS
CONTAINING FINANCIAL STATEMENTS. Financial statements included in annual reports
are audited by the Fund's independent accountants. Shortly after the end of each
calendar year, the Fund will furnish all shareholders with information necessary
for preparing Federal and state tax returns.
    

THE LIFETIME INVESTING ACCOUNT/DISTRIBUTION OPTIONS
------------------------------------------------------------------------------

AFTER AN INVESTOR MAKES AN INITIAL PURCHASE OF FUND SHARES,  THE FUND'S TRANSFER
AGENT, THE SHAREHOLDER  SERVICES GROUP,  INC., WILL SET UP A LIFETIME  INVESTING
ACCOUNT  FOR THE  INVESTOR  ON THE FUND'S  RECORDS.  This  account is a complete
record of all transactions  between the investor and the Fund which at all times
shows the balance of shares  owned.  The Fund will not issue share  certificates
except upon request.

   
    Each  time  a  transaction  takes  place  in a  shareholder's  account,  the
shareholder will receive a statement showing complete details of the transaction
and the  current  balance  in the  account.  (Under  certain  investment  plans,
statements  may be sent only  quarterly).  THE LIFETIME  INVESTING  ACCOUNT ALSO
PERMITS A  SHAREHOLDER  TO MAKE  ADDITIONAL  INVESTMENTS  IN SHARES BY SENDING A
CHECK FOR $50 OR MORE to The Shareholder Services Group, Inc.
    
    Any questions  concerning a shareholder's  account or services available may
be directed by telephone to EATON VANCE  SHAREHOLDER  SERVICES at  800-225-6265,
extension 2 or in writing to The Shareholder  Services Group, Inc., BOS725, P.O.
Box 1559, Boston, MA 02104 (please provide the name of the shareholder, the Fund
and the account number).

    THE  FOLLOWING  DISTRIBUTION  OPTIONS  WILL  BE  AVAILABLE  TO ALL  LIFETIME
INVESTING  ACCOUNTS and may be changed as often as desired by written  notice to
the Fund's dividend  disbursing  agent,  The Shareholder  Services Group,  Inc.,
BOS725,  P.O. Box 1559,  Boston,  MA 02104. The currently  effective option will
appear on each confirmation statement.
    Share Option -- Dividends and capital gains will be reinvested in additional
shares.
    Income Option -- Dividends  will be paid in cash,  and capital gains will be
reinvested in additional shares.
    Cash Option -- Dividends and capital gains will be paid in cash.

    The  Share  Option  will  be  assigned  if no  other  option  is  specified.
Distributions,  including those  reinvested,  will be reduced by any withholding
required under Federal income tax laws.

    If the Income  Option or Cash  Option  has been  selected,  dividend  and/or
capital gains distribution checks which are returned by the United States Postal
Service as not  deliverable or which remain uncashed for six months or more will
be  reinvested  in the account in shares at the then  current  net asset  value.
Furthermore,  the  distribution  option  on the  account  will be  automatically
changed  to the  Share  Option  until  such  time as the  shareholder  selects a
different option.

    DISTRIBUTION  INVESTMENT OPTION. In addition to the distribution options set
forth above, dividends and/or capital gains may be invested in additional shares
of another Eaton Vance fund. Before selecting this option, a shareholder  should
obtain a prospectus  of the other Eaton Vance fund and  consider its  objectives
and policies carefully.

   
    "STREET  NAME"  ACCOUNTS.  If shares of the Fund are held in a "street name"
account with an Authorized Firm, all recordkeeping,  transaction  processing and
payments of  distributions  relating to the beneficial  owner's  account will be
performed by the Authorized  Firm,  and not by the Fund and its Transfer  Agent.
Since the Fund will have no record of the  beneficial  owner's  transactions,  a
beneficial  owner should  contact the  Authorized  Firm to  purchase,  redeem or
exchange shares, to make changes in or give instructions concerning the account,
or to obtain information about the account.  The transfer of shares in a "street
name" account to an account with another  dealer or to an account  directly with
the Fund involves  special  procedures and will require the beneficial  owner to
obtain historical purchase  information about the shares in the account from the
Authorized Firm. Before  establishing a "street name" account with an investment
firm,  or  transferring  the  account to another  investment  firm,  an investor
wishing to reinvest  distributions  should determine whether the firm which will
hold the shares allows reinvestment of distributions in "street name" accounts.

------------------------------------------------------------------------------
  UNDER A LIFETIME INVESTING  ACCOUNT  A  SHAREHOLDER  CAN  MAKE  ADDITIONAL
  INVESTMENTS IN SHARES BY SENDING A CHECK FOR $50 OR MORE.
    
------------------------------------------------------------------------------

THE EATON VANCE EXCHANGE PRIVILEGE
------------------------------------------------------------------------------

   
Shares of the Fund  currently  may be exchanged  for shares of one or more other
funds in the Eaton Vance Classic Group of Funds or Eaton Vance Money Market Fund
(available  on or about  April 3,  1995),  which are  distributed  subject  to a
contingent  deferred sales charge, on the basis of the net asset value per share
of each fund at the time of the exchange, provided that such exchange offers are
available  only in states where shares of the fund being acquired may be legally
sold.

    Each exchange  must involve  shares which have a net asset value of at least
$1,000. The exchange  privilege may be changed or discontinued  without penalty.
Shareholders  will be given sixty (60) days' notice prior to any  termination or
material  amendment  of the  exchange  privilege.  The Fund does not  permit the
exchange privilege to be used for "Market Timing" and may terminate the exchange
privilege for any  shareholder  account engaged in Market Timing  activity.  Any
shareholder account for which more than two round-trip exchanges are made within
any  twelve  month  period  will be  deemed  to be  engaged  in  Market  Timing.
Furthermore,  a group of  unrelated  accounts  for which  exchanges  are entered
contemporaneously  by a financial  intermediary will be considered to be engaged
in Market Timing.

    The Shareholder  Services Group, Inc. makes exchanges at the next determined
net asset value after  receiving an exchange  request in good order (see "How to
Redeem  Fund  Shares").   Consult  The  Shareholder  Services  Group,  Inc.  for
additional  information  concerning  the exchange  privilege.  Applications  and
prospectuses of other funds are available from Authorized Firms or the Principal
Underwriter.  The prospectus  for each fund describes its investment  objectives
and policies,  and  shareholders  should obtain a prospectus  and consider these
objectives and policies carefully before requesting an exchange.

    No contingent deferred sales charge is imposed on exchanges. For purposes of
calculating  the  contingent  deferred  sales charge upon the redemption of Fund
shares  acquired in an exchange,  the purchase of shares acquired in one or more
exchanges is deemed to have occurred at the time of the original purchase of the
exchanged shares.

    Shares of the other  funds in the Eaton  Vance  Classic  Group of Funds (and
shares of Eaton Vance Money Market Fund (when available)  acquired as the result
of an exchange  from an EV Classic fund) may be exchanged for Fund shares on the
basis of the net asset value per share of each fund at the time of the exchange,
but  subject to any  restrictions  or  qualifications  set forth in the  current
prospectus of any such fund.

    Telephone  exchanges are accepted by The Shareholder  Services Group,  Inc.,
provided  that  the  investor  has  not  disclaimed  in  writing  the use of the
privilege.  To effect such exchanges,  call The Shareholder Services Group, Inc.
at 800-262-1122 or, within Massachusetts,  617-573-9403,  Monday through Friday,
9:00 a.m. to 4:00 p.m.  (Eastern  Standard  Time).  Shares acquired by telephone
exchange must be registered in the same name(s) and with the same address as the
shares being  exchanged.  Neither the Fund,  the Principal  Underwriter  nor The
Shareholder  Services Group,  Inc. will be responsible  for the  authenticity of
exchange instructions received by telephone, provided that reasonable procedures
to confirm  that  instructions  communicated  are  genuine  have been  followed.
Telephone  instructions  will be tape recorded.  In times of drastic economic or
market changes, a telephone exchange may be difficult to implement.  An exchange
may result in a taxable gain or loss.
    

EATON VANCE SHAREHOLDER SERVICES
------------------------------------------------------------------------------
   
THE FUND OFFERS THE FOLLOWING  SERVICES,  WHICH ARE VOLUNTARY,  INVOLVE NO EXTRA
CHARGE,  AND MAY BE CHANGED OR  DISCONTINUED  WITHOUT  PENALTY AT ANY TIME. Full
information on each of the services  described below and an  application,  where
required, are available from Authorized Firms or the Principal Underwriter.  The
cost  of  administering  such  services  for the  benefit  of  shareholders  who
participate in them is borne by the Fund as an expense to all shareholders.
    

INVEST-BY-MAIL  -- FOR  PERIODIC  SHARE  ACCUMULATION:  Once the $1,000  minimum
investment has been made, checks of $50 or more payable to the order of the Fund
may be mailed directly to The Shareholder Services Group, Inc., BOS725, P.O. Box
1559,  Boston,  MA  02104  at any  time  --  whether  or not  distributions  are
reinvested. The name of the shareholder,  the Fund and the account number should
accompany each investment.

   
BANK AUTOMATED INVESTING -- FOR REGULAR SHARE ACCUMULATION:  Cash investments of
$50 or more may be made automatically each month or quarter from a shareholder's
bank account. The $1,000 minimum initial investment and small account redemption
policy are waived for these accounts.

WITHDRAWAL  PLAN: A shareholder may draw on  shareholdings  systematically  with
monthly or quarterly checks in an aggregate amount that does not exceed annually
12% of the account balance at the time the plan is established. Such amount will
not be subject to a contingent  deferred  sales charge.  See "How to Redeem Fund
Shares." A minimum deposit of $5,000 in shares is required.

REINVESTMENT PRIVILEGE: A SHAREHOLDER WHO HAS REPURCHASED OR REDEEMED SHARES MAY
REINVEST,  WITH CREDIT FOR ANY  CONTINGENT  DEFERRED  SALES  CHARGES PAID ON THE
REPURCHASED  OR  REDEEMED  SHARES,  ANY  PORTION  OR ALL OF  THE  REPURCHASE  OR
REDEMPTION PROCEEDS (PLUS THAT AMOUNT NECESSARY TO ACQUIRE A FRACTIONAL SHARE TO
ROUND  OFF THE  PURCHASE  TO THE  NEAREST  FULL  SHARE)  IN  SHARES OF THE FUND,
provided that the  reinvestment is effected within 30 days after such repurchase
or  redemption.  Shares  are  sold  to a  reinvesting  shareholder  at the  next
determined net asset value following  timely receipt of a written purchase order
by the Principal  Underwriter or by the Fund (or by the Fund's Transfer  Agent).
To the extent  that any  shares of the Fund are sold at a loss and the  proceeds
are  reinvested  in shares of the Fund (or other shares of the Fund are acquired
within the period  beginning 30 days before and ending 30 days after the date of
the  redemption)  some or all of the loss generally will not be allowed as a tax
deduction.  Shareholders  should  consult their tax advisers  concerning the tax
consequences of reinvestments.
    

TAX-SHELTERED RETIREMENT PLANS: Shares of the Fund are available for purchase
in connection with the following tax-sheltered retirement plans:

    --Pension and Profit Sharing Plans for self-employed individuals,
      corporations and non-profit organizations;

    --Individual Retirement Account Plans for individuals and their non-
      employed spouses; and

   
    --403(b) Retirement Plans for employees of public school systems, hospitals,
      colleges and other non-profit  organizations  meeting certain requirements
      of the Code.
    

    Detailed information concerning these plans, including certain exceptions to
minimum investment requirements,  and copies of the plans are available from the
Principal   Underwriter.   This   information   should  be  read  carefully  and
consultation  with an attorney or tax adviser may be advisable.  The information
sets forth the  service  fee  charged for  retirement  plans and  describes  the
Federal  income  tax  consequences  of  establishing  a plan.  Under all  plans,
dividends  and  distributions  will be  automatically  reinvested  in additional
shares.

DISTRIBUTIONS AND TAXES
------------------------------------------------------------------------------
   
It is the present  policy of the Fund to pay at least  quarterly  dividends from
net investment  income (when available)  allocated to the Fund by the Portfolio,
less the Fund's  direct  and  allocated  expenses,  and to  distribute  at least
annually any net capital gains  realized (the Fund's  realized net capital gains
consist of the net realized capital gains from the sale of portfolio  securities
allocated to the Fund by the Portfolio).

    Shareholders  may reinvest  dividends,  if any, in shares of the Fund at the
current net asset value per share as of the ex-dividend  date and may accumulate
capital gains  distributions,  if any, in additional  shares also at the current
net asset value per share as of the ex-dividend date.

    Distributions  by the Fund of  ordinary  income and net  short-term  capital
gains  allocated  to the Fund by the  Portfolio  will be  taxable  to the Fund's
shareholders  as ordinary  income,  whether  received in cash or  reinvested  in
additional  shares  of the Fund.  Shareholders  reinvesting  such  distributions
should treat the amount of the entire  distribution as the tax cost basis of the
additional shares acquired by reason of such reinvestment.  Distributions of net
long-term capital gains are taxable to shareholders as such, whether received in
cash or  reinvested  in  additional  shares of the Fund,  and  regardless of the
length of time shares have been owned by  shareholders.  If shares are purchased
shortly before the record date of a distribution,  the shareholder  will pay the
full price for the shares and then  receive  some portion of the price back as a
taxable  distribution.  Certain  distributions  which are  declared  in October,
November  or December  and paid the  following  January  will be  reportable  by
shareholders  as if  received  on  December  31 of the  year in  which  they are
declared.

    Shareholders will receive annually tax information notices and Forms 1099 to
assist in the  preparation  of their Federal and state tax returns for the prior
calendar year's distributions,  proceeds from the redemption or exchange of Fund
shares, and Federal income tax (if any) withheld by the Fund's Transfer Agent.

    In order to qualify as a regulated  investment  company under the Code,  the
Fund must satisfy  certain  requirements  relating to the sources of its income,
the  distribution  of its income,  and the  diversification  of its  assets.  In
satisfying  these  requirements,  the Fund  will  treat  itself  as  owning  its
proportionate  share of each of the  Portfolio's  assets and as  entitled to the
income of the Portfolio properly attributable to such share.
    
------------------------------------------------------------------------------
  AS A  REGULATED  INVESTMENT  COMPANY  UNDER THE CODE,  THE FUND DOES NOT PAY
  FEDERAL  INCOME  OR  EXCISE  TAXES  TO THE  EXTENT  THAT IT  DISTRIBUTES  TO
  SHAREHOLDERS  ITS NET  INVESTMENT  INCOME AND NET REALIZED  CAPITAL GAINS IN
  ACCORDANCE  WITH  THE  TIMING  REQUIREMENTS   IMPOSED  BY  THE  CODE.  AS  A
  PARTNERSHIP  UNDER THE CODE,  THE PORTFOLIO  DOES NOT PAY FEDERAL  INCOME OR
  EXCISE TAXES.
------------------------------------------------------------------------------

PERFORMANCE INFORMATION
------------------------------------------------------------------------------

   
FROM TIME TO TIME, THE FUND MAY ADVERTISE ITS AVERAGE  ANNUAL TOTAL RETURN.  The
Fund's average annual total return is determined by computing the average annual
percentage  change in value of $1,000  invested at the maximum  public  offering
price (net asset  value)  for  specified  periods  ending  with the most  recent
calendar quarter, assuming reinvestment of all distributions. The average annual
total return calculation assumes a complete redemption of the investment and the
deduction of any applicable  contingent  deferred sales charge at the end of the
period.  The Fund may also publish  annual and  cumulative  total return figures
from time to time.

    Performance figures published by the Fund which do not include the effect of
any  applicable  contingent  deferred  sales  charge would be reduced if it were
included.

    Investors should note that the investment results of the Fund will fluctuate
over time, and any  presentation of the Fund's total return for any prior period
should not be considered as a  representation  of what an investment may earn or
what an investor's total return may be in any future period.  If the expenses of
the Fund or the Portfolio are paid by Eaton Vance,  the Fund's  performance will
be higher.
    
<PAGE>
                            INVESTMENT ADVISER OF
                               STOCK PORTFOLIO
                        Boston Management and Research
                              24 Federal Street
                               Boston, MA 02110

                               ADMINISTRATOR OF
                                  EV CLASSIC
                                  STOCK FUND
                            Eaton Vance Management
                              24 Federal Street
                               Boston, MA 02110

                            PRINCIPAL UNDERWRITER
                        Eaton Vance Distributors, Inc.
                              24 Federal Street
                               Boston, MA 02110
                                (800) 225-6265

                                  CUSTODIAN
                        Investors Bank & Trust Company
                              24 Federal Street
                               Boston, MA 02110

                                TRANSFER AGENT
                     The Shareholder Services Group, Inc.
                                    BOS725
                                P.O. Box 1559
                               Boston, MA 02104
                                (800) 262-1122

                                   AUDITORS
                           Coopers & Lybrand L.L.P.
                            One Post Office Square
                               Boston, MA 02109

                                  EV CLASSIC
                                  STOCK FUND
                              24 FEDERAL STREET
                               BOSTON, MA 02110

                                    C-STP



                                    [LOGO]

                                  EV Classic
                                    Stock
                                     Fund

                                  Prospectus
                                April 1, 1995
<PAGE>
                                    PART A
                     INFORMATION REQUIRED IN A PROSPECTUS

                            EV MARATHON STOCK FUND

    EV  MARATHON  STOCK FUND (THE  "FUND") IS A MUTUAL  FUND  SEEKING  GROWTH OF
PRINCIPAL  AND  INCOME.  THE FUND  INVESTS  ITS ASSETS IN STOCK  PORTFOLIO  (THE
"PORTFOLIO"),   A  DIVERSIFIED  OPEN-END  INVESTMENT  COMPANY  HAVING  THE  SAME
INVESTMENT  OBJECTIVE  AS THE FUND,  RATHER  THAN BY DIRECTLY  INVESTING  IN AND
MANAGING ITS OWN PORTFOLIO OF SECURITIES AS WITH HISTORICALLY  STRUCTURED MUTUAL
FUNDS. THE FUND IS A SERIES OF EATON VANCE SECURITIES TRUST (THE "TRUST").

    Shares of the Fund are not  deposits or  obligations  of, or  guaranteed  or
endorsed  by,  any bank or other  insured  depository  institution,  and are not
federally  insured by the Federal  Deposit  Insurance  Corporation,  the Federal
Reserve  Board or any  other  government  agency.  Shares  of the  Fund  involve
investment risks,  including fluctuations in value and the possible loss of some
or all of the principal investment.

   
    This Prospectus is designed to provide you with  information you should know
before investing.  Please retain this document for future reference. A Statement
of Additional Information dated April 1, 1995 for the Fund, as supplemented from
time to time, has been filed with the Securities and Exchange  Commission and is
incorporated  herein by reference.  This Statement of Additional  Information is
available  without  charge from the Fund's  principal  underwriter,  Eaton Vance
Distributors,  Inc. (the "Principal Underwriter"), 24 Federal Street, Boston, MA
02110 (telephone (800) 225-6265).  The Portfolio's  investment adviser is Boston
Management and Research (the "Investment Adviser"), a wholly-owned subsidiary of
Eaton Vance  Management,  and Eaton Vance Management is the  administrator  (the
"Administrator")  of the Fund.  The  offices of the  Investment  Adviser and the
Administrator are located at 24 Federal Street, Boston, MA 02110.
    

------------------------------------------------------------------------------

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
       AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS
         THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
            COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
                 PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY
                             IS A CRIMINAL OFFENSE.
------------------------------------------------------------------------------
   
<TABLE>
<CAPTION>
                                                   PAGE                                                 PAGE
<S>                                                <C>   <S>                                            <C>
Shareholder and Fund Expenses .....................   2  How to Buy Fund Shares ........................  12
The Fund's Financial Highlights ...................   3  How to Redeem Fund Shares .....................  13
The Fund's Investment Objective ...................   4  Reports to Shareholders .......................  15
How the Fund and the Portfolio Invest                    The Lifetime Investing Account/Distribution
  their Assets; Risks .............................   4    Options .....................................  15
Organization of the Fund and the Portfolio ........   5  The Eaton Vance Exchange Privilege ............  16
Management of the Fund and the Portfolio ..........   7  Eaton Vance Shareholder Services ..............  17
Distribution Plan .................................   8  Distributions and Taxes .......................  18
Valuing Fund Shares ...............................  11  Performance Information .......................  19
------------------------------------------------------------------------------------------------------------
</TABLE>
    
                        PROSPECTUS DATED APRIL 1, 1995
<PAGE>
SHAREHOLDER AND FUND EXPENSES \1/
--------------------------------------------------------------------------------
   
SHAREHOLDER TRANSACTION EXPENSES
  Sales Charges Imposed on Purchases of Shares                            None
  Sales Charges Imposed on Reinvested Distributions                       None
  Redemption Fees                                                         None
  Fees to Exchange Shares                                                 None

Range of Declining Contingent Deferred Sales Charges Imposed
  on Redemptions During the First Six Years (as a percentage
  of redemption proceeds exclusive of all reinvestments
    and capital appreciation in the account)\2/                       5.00% - 0%

ANNUAL FUND AND ALLOCATED PORTFOLIO OPERATING EXPENSES
  (as a percentage of average daily net assets)
  Investment Adviser Fee                                                 0.625%
  Rule 12b-1 Distribution (and Service) Fees\3/                          0.770%
  Other Expenses                                                         0.355%
                                                                         ------
      Total Operating Expenses                                           1.75 %
                                                                         ======

EXAMPLE                                                     1 YEAR       3 YEARS
                                                            ------       -------

An investor would pay the following contingent deferred
  sales charge and expenses on a $1,000 investment, assuming
  (a) 5% annual return and (b) redemption at the end of each
  time period:                                                $68          $95

An investor would pay the following expenses on the same
  investment, assuming (a) 5% annual return and (b)
  no redemptions:                                             $18          $55
Notes:
\1/ The purpose of the above table and Example is to summarize the aggregate
    expenses  of  the  Fund  and  the  Portfolio  and  to  assist  investors  in
    understanding the various costs and expenses that investors in the Fund will
    bear  directly or  indirectly.  The Trustees of the Trust  believe that over
    time the aggregate per share  expenses of the Fund and the Portfolio  should
    be approximately  equal to the per share expenses which the Fund would incur
    if the Trust  retained the services of an investment  adviser and the assets
    of the Fund were invested  directly in the type of securities  being held by
    the  Portfolio.  Because the Fund does not yet have a  sufficient  operating
    history,  the percentages  indicated as Annual Fund and Allocated  Portfolio
    Operating  Expenses in the table and the amounts included in the Example are
    based on the Fund's and the Portfolio's  projected fees and expenses for the
    current  fiscal year ending  December 31, 1995. The table and Example should
    not be  considered a  representation  of past or future  expenses and actual
    expenses  may be  greater  or less than  those  shown.  Moreover,  while the
    Example assumes a 5% annual return,  the Fund's actual performance will vary
    and may result in an annual  return  greater  or less than 5%.  For  further
    information  regarding the expenses of both the Fund and the Portfolio,  see
    "The  Fund's  Financial  Highlights",  "Organization  of the  Fund  and  the
    Portfolio",  "Management  of the Fund and the  Portfolio" and "How to Redeem
    Fund Shares".  Because the Fund makes payments under its  Distribution  Plan
    adopted  under Rule  12b-1,  a long-term  shareholder  may pay more than the
    economic  equivalent of the maximum  front-end  sales charge  permitted by a
    rule  of  the  National   Association  of  Securities   Dealers,   Inc.  See
    "Distribution Plan".
\2/ No contingent  deferred sales charge is imposed on (a) shares purchased more
    than six years  prior to the  redemption,  (b) shares  acquired  through the
    reinvestment  of  distributions  or (c) any  appreciation  in value of other
    shares in the account (see "How to Redeem Fund Shares"),  and no such charge
    is imposed on exchanges of Fund shares for shares of one or more other funds
    listed under "The Eaton Vance Exchange Privilege".
\3/ The Fund expects to begin  accruing for its service fee payments  during the
    quarter ending September 30, 1995.
\4/ Other investment companies with different distribution arrangements and fees
    are investing in the Portfolio and  additional  such  companies may do so in
    the future. See "Organization of the Fund and the Portfolio".
    
<PAGE>
THE FUND'S FINANCIAL HIGHLIGHTS
------------------------------------------------------------------------------
   
The  following  information  should  be read in  conjunction  with  the  audited
financial statements included in the Statement of Additional Information, all of
which has been so  included  in  reliance  upon the  report of Coopers & Lybrand
L.L.P.,  independent  accountants,  as experts in accounting and auditing, which
report  is  contained  in  the  Statement  of  Additional  Information.  Further
information  regarding  the  performance  of the Fund is contained in the Fund's
annual report to shareholders which may be obtained without charge by contacting
the Principal Underwriter.

------------------------------------------------------------------------------

FOR THE PERIOD FROM THE START OF BUSINESS, AUGUST 17, 1994, TO
 DECEMBER 31, 1994

NET ASSET VALUE -- Beginning of period ..........................        $10.00
                                                                         ------
  Income from investment operations:
    Net investment income (loss) ................................        $(0.01)
    Net realized and unrealized gain (loss) on investments ......         (0.39)
                                                                         ------
      Total income (loss) from investment operations ............        $(0.40)
                                                                         ------
NET ASSET VALUE, -- End of period ...............................        $ 9.60
                                                                         ======
TOTAL RETURN\1/ .................................................        (3.9)%
RATIOS/SUPPLEMENTAL DATA (to average daily net assets):**
  Expenses\2/ ...................................................         3.25%+
  Net investment income (loss) ..................................       (0.74)%+
NET ASSETS, END OF PERIOD (000's omitted) .......................        $1,604

** The expenses  related to the  operation of the Fund reflect an  allocation of
   expenses to the  Administrator.  Had such  action not been taken,  the ratios
   would have been as follows:

RATIOS (to average daily net assets):
  Expenses\2/ ...................................................        3.81 %+
  Net investment income (loss) ..................................       (0.18)%+

+ Computed on an annualized basis.

Note: Per share amounts have been  computed  using  average  shares  outstanding
      during  the  period.  The per share  amount is not in accord  with the net
      realized and unrealized  gain for the period  allocated to the Fund by the
      Portfolio  due to the timing of the sales of Fund shares and the amount of
      per share realized and unrealized gains and losses at such time.
\1/ 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 the  period
    reported. Dividends and distributions,  if any, are assumed to be reinvested
    at the net asset value on the record date.
\2/ Includes the Fund's share of Stock  Portfolio's  allocated  expenses for the
    period from the Fund's start of business,  August 17, 1994,  to December 31,
    1994.
    
<PAGE>
THE FUND'S INVESTMENT OBJECTIVE
------------------------------------------------------------------------------

   
EV MARATHON STOCK FUND'S INVESTMENT  OBJECTIVE IS TO PROVIDE GROWTH OF PRINCIPAL
AND INCOME FOR ITS SHAREHOLDERS. The Fund currently seeks to meet its investment
objective by investing its assets in the Stock Portfolio,  a separate registered
investment  company that invests in a number of carefully  selected  securities.
The emphasis is upon common stocks.  The Fund's and the  Portfolio's  investment
objectives are  nonfundamental  and may be changed when  authorized by a vote of
the Tustees of the Trust or the Portfolio,  respectively,  without obtaining the
approval of the Fund's  shareholders  or the investors in the Portfolio,  as the
case may be. The  Trustees of the Trust have no present  intention to change the
Fund's  objective  and  intend to submit  any  proposed  material  change in the
investment objective to shareholders in advance for their approval.
    

HOW THE FUND AND THE PORTFOLIO INVEST THEIR ASSETS; RISKS
------------------------------------------------------------------------------

   
THE  FUND  SEEKS  TO  ACHIEVE  ITS  INVESTMENT  OBJECTIVE  BY  INVESTING  IN THE
PORTFOLIO. TO ACHIEVE THE PORTFOLIO'S OBJECTIVE, PRIMARY EMPHASIS WILL BE PLACED
ON COMMON STOCKS OF COMPANIES WHICH APPEAR TO OFFER GOOD PROSPECTS FOR INCREASES
IN BOTH EARNINGS AND DIVIDENDS.  The Portfolio will invest  primarily  (i.e., at
least 65% of its total assets during  normal  investment  conditions)  in equity
securities (common and preferred stocks, and securities  convertible into common
stocks).  The  Portfolio's  investments in convertible  debt  securities will be
limited to 20% of net assets.  The criteria for such investments are the same as
those used for the common  stock of the  issuer and  accordingly,  may be of any
credit quality  (including  below  investment  grade).  The Portfolio  purchases
securities  primarily  for  investment,  rather  than  with a view to  realizing
trading profits.  Nevertheless,  portfolio changes are made whenever  considered
advisable in the pursuit of the Portfolio's stated investment objective.

    In seeking to achieve its investment  objective,  or to  consolidate  growth
previously  attained,  the  Portfolio  may  from  time to time  purchase  bonds,
preferred stocks, U.S. Government  obligations and other securities.  Bonds will
constitute 5% or less of net assets and be investment grade (rated Baa or higher
by Moody's Investors Service, Inc. or BBB or higher by Standard & Poor's Ratings
Group or, if unrated,  determined to be of comparable quality by the Portfolio's
Investment  Adviser).  Convertible debt securities that are not investment grade
have  speculative  characteristics  and changes in economic  conditions or other
circumstances  are more likely to lead to a weakened  capacity to make principal
and interest payments than is the case with higher grade debt securities.

    The  Portfolio  may  invest  in  securities   issued  by  foreign  companies
(including American Depository  Receipts and Global Depository  Receipts).  Such
investments may be subject to various risks such as fluctuations in currency and
exchange rates, foreign taxes, social,  political and economic conditions in the
countries in which such companies operate, and changes in governmental, economic
or monetary policies both here and abroad.  There may be less publicly available
information  about a foreign company than about a comparable  domestic  company.
Because the securities markets in many foreign countries are not as developed as
those in the United States,  the  securities of many foreign  companies are less
liquid and their prices are more volatile than securities of comparable domestic
companies.  In order to hedge against  possible  variations in foreign  exchange
rates pending the settlement of foreign securities  transactions,  the Portfolio
may buy or sell foreign currencies.

    An investment in the Fund entails the risk that the principal  value of Fund
shares and the income  earned  thereon  may not  increase  or may  decline.  The
Portfolio's  investments in equity securities are subject to the risk of adverse
developments  affecting  particular companies or industries and the stock market
generally.  Investments  in bonds are  subject  to the risk that the  issuer may
default on its  obligations  to pay principal  and interest.  The value of bonds
tends to increase during periods of falling interest rates and to decline during
periods of rising  interest  rates.  By investing in a diversified  portfolio of
securities,  the Portfolio seeks both to reduce the risks ordinarily inherent in
holding  one  security  or  securities  of a single  issuer and to  improve  the
prospects for possible growth by investing in a substantial  number of prudently
selected securities.  Attainment of the Portfolio's objective cannot, of course,
be assured since its asset value  fluctuates with changes in the market value of
its investments and dividends paid depend upon income received by the Portfolio.

    The Fund and the  Portfolio  have  adopted  certain  fundamental  investment
restrictions  which are  enumerated  in detail in the  Statement  of  Additional
Information and which may not be changed unless authorized by a shareholder vote
or an investor vote,  respectively.  Except for such enumerated restrictions and
as otherwise indicated in this prospectus, the investment objective and policies
of the Fund and the Portfolio are not  fundamental  policies and accordingly may
be changed by the Trustees of the Trust and the Portfolio  without obtaining the
approval of the Fund's  shareholders  or the investors in the Portfolio,  as the
case may be. If any changes were made in the Fund's  investment  objective,  the
Fund might have an investment  objective  different from the objective  which an
investor considered appropriate at the time the investor became a shareholder of
the Fund.
    
------------------------------------------------------------------------------
   
  THE  FUND  IS  NOT  INTENDED  TO  BE  A  COMPLETE  INVESTMENT  PROGRAM,  AND
  PROSPECTIVE  INVESTORS  SHOULD TAKE INTO ACCOUNT THEIR  OBJECTIVES AND OTHER
  INVESTMENTS  WHEN  CONSIDERING THE PURCHASE OF FUND SHARES.  THE FUND CANNOT
  ELIMINATE RISK OR ASSURE ACHIEVEMENT OF ITS OBJECTIVE.
    
------------------------------------------------------------------------------

ORGANIZATION OF THE FUND AND THE PORTFOLIO
------------------------------------------------------------------------------

   
THE FUND IS A DIVERSIFIED  SERIES OF EATON VANCE  SECURITIES  TRUST,  A BUSINESS
TRUST  ESTABLISHED  UNDER  MASSACHUSETTS  LAW PURSUANT TO A DECLARATION OF TRUST
DATED OCTOBER 19, 1990, AS AMENDED,  AS THE SUCCESSOR TO A  MASSACHUSETTS  TRUST
WHICH COMMENCED ITS INVESTMENT COMPANY OPERATIONS IN 1931. THE TRUST IS A MUTUAL
FUND -- AN OPEN-END MANAGEMENT INVESTMENT COMPANY. The Trustees of the Trust are
responsible for the overall management and supervision of its affairs. The Trust
may issue an unlimited number of shares of beneficial  interst (no par value per
share) in one or more  series and because  the Trust can offer  separate  series
(such as the Fund) it is known as a "series  company." Each share  represents an
equal   proportionate   beneficial   interest  in  the  Fund.  When  issued  and
outstanding,  the  shares  are  fully  paid and  nonassessable  by the Trust and
redeemable  as described  under "How to Redeem Fund  Shares".  Shareholders  are
entitled  to one vote for each full share held.  Fractional  shares may be voted
proportionately.  Shares have no preemptive or conversion  rights and are freely
transferable.  In the event of the  liquidation  of the Fund,  shareholders  are
entitled  to  share  pro  rata in the  net  assets  of the  Fund  available  for
distribution to shareholders.

    THE  PORTFOLIO  IS  ORGANIZED  AS A TRUST UNDER THE LAWS OF THE STATE OF NEW
YORK AND INTENDS TO BE TREATED AS A PARTNERSHIP  FOR FEDERAL TAX  PURPOSES.  The
Portfolio,  as well as the Trust,  intends to comply with all applicable Federal
and state  securities  laws. The Portfolio's  Declaration of Trust provides that
the Fund and other entities  permitted to invest in the Portfolio  (e.g.,  other
U.S. and foreign  investment  companies,  and common and commingled trust funds)
will each be liable for all obligations of the Portfolio.  However,  the risk of
the Fund  incurring  financial  loss on account of such  liability is limited to
circumstances in which both inadequate insurance exists and the Portfolio itself
is  unable  to meet its  obligations.  Accordingly,  the  Trustees  of the Trust
believe that neither the Fund nor its shareholders will be adversely affected by
reason of the Fund investing in the Portfolio.

SPECIAL INFORMATION ON THE FUND/PORTFOLIO  INVESTMENT STRUCTURE.  An investor in
the Fund  should be aware that the Fund,  unlike  mutual  funds  which  directly
acquire and manage  their own  portfolios  of  securities,  seeks to achieve its
investment  objective  by investing  its assets in an interest in the  Portfolio
(although the Fund may temporarily hold a de minimus amount of cash), which is a
separate investment company with an identical investment  objective.  Therefore,
the Fund's  interest in the  securities  owned by the Portfolio is indirect.  In
addition to selling an interest to the Fund, the Portfolio may sell interests to
other affiliated and  non-affiliated  mutual funds or  institutional  investors.
Such investors will invest in the Portfolio on the same terms and conditions and
will pay a proportionate share of the Portfolio's  expenses.  However, the other
investors  investing in the  Portfolio  are not required to sell their shares at
the  same  public  offering  price  as the  Fund  due  to  variations  in  sales
commissions  and other  operating  expenses.  Therefore,  investors  in the Fund
should be aware that these  differences  may  result in  differences  in returns
experienced by investors in the various funds that invest in the Portfolio. Such
differences  in  returns  are also  present  in other  mutual  fund  structures,
including funds that have multiple classes of shares. For information  regarding
the investment objective, policies and restrictions,  see "The Fund's Investment
Objective"  and "How the Fund and the  Portfolio  Invest their  Assets;  Risks".
Further information regarding investment practices may be found in the Statement
of Additional Information.
    

    The Trustees of the Trust have  considered the advantages and  disadvantages
of investing the assets of the Fund in the Portfolio,  as well as the advantages
and  disadvantages  of the  two-tier  format.  The  Trustees  believe  that  the
structure  offers  opportunities  for  substantial  growth in the  assets of the
Portfolio, and affords the potential for economies of scale for the Fund.

   
    The Fund may withdraw  (completely redeem) all its assets from the Portfolio
at any time if the Board of Trustees of the Trust  determines  that it is in the
best  interest  of  the  Fund  to  do  so.  The  investment  objective  and  the
nonfundamental  investment policies of the Fund and the Portfolio may be changed
by the Trustees of the Trust and the Portfolio without obtaining the approval of
the shareholders of the Fund or the investors in the Portfolio,  as the case may
be. Any such change of the investment objective will be preceded by thirty days,
advance  written notice to the  shareholders of the Fund or the investors in the
Portfolio,  as the case may be. If a  shareholder  redeems  shares  because of a
change in the nonfundamental objective or policies of the Fund, those shares may
be subject to a contingent deferred sales charge, as described in "How to Redeem
Fund  Shares".  In the  event  the Fund  withdraws  all of its  assets  from the
Portfolio,  or the Board of Trustees of the Trust determines that the investment
objective of the Portfolio is no longer consistent with the investment objective
of the Fund, such Trustees would consider what action might be taken,  including
investing  the  assets  of the  Fund in  another  pooled  investment  entity  or
retaining an investment  adviser to manage the Fund's assets in accordance  with
its investment objective. The Fund's investment performance may be affected by a
withdrawal of all its assets from the Portfolio.

    Information regarding other pooled investment entities or funds which invest
in the Portfolio may be obtained by contacting  Eaton Vance  Distributors,  Inc.
(the "Principal  Underwriter" or "EVD"),  24 Federal Street,  Boston,  MA 02110,
(617) 482-8260.  Smaller investors in the Portfolio may be adversely affected by
the  actions of larger  investors  in the  Portfolio.  For  example,  if a large
investor  withdraws from the Portfolio,  the remaining  investors may experience
higher  pro  rata  operating   expenses,   thereby   producing   lower  returns.
Additionally,  the  Portfolio  may become less  diverse,  resulting in increased
portfolio  risk, and experience  decreasing  economies of scale.  However,  this
possibility exists as well for historically structured funds which have large or
institutional investors.
    

    Until  recently,  the  Administrator   sponsored  and  advised  historically
structured funds. Funds which invest all their assets in interests in a separate
investment  company are a relatively new development in the mutual fund industry
and,  therefore,  the  Fund  may  be  subject  to  additional  regulations  than
historically structured funds.

    The  Declaration of Trust of the Portfolio  provides that the Portfolio will
terminate  120 days  after  the  complete  withdrawal  of the Fund or any  other
investor in the Portfolio,  unless either the remaining investors,  by unanimous
vote at a meeting  of such  investors,  or a  majority  of the  Trustees  of the
Portfolio,  by  written  instrument  consented  to by all  investors,  agree  to
continue the  business of the  Portfolio.  This  provision  is  consistent  with
treatment of the Portfolio as a partnership for Federal income tax purposes. See
"Distributions  and  Taxes" for  further  information.  Whenever  the Fund as an
investor in the  Portfolio  is requested  to vote on matters  pertaining  to the
Portfolio (other than the termination of the Portfolio's business,  which may be
determined by the Trustees of the Portfolio without investor approval), the Fund
will hold a meeting  of Fund  shareholders  and will  vote its  interest  in the
Portfolio for or against such matters  proportionately  to the  instructions  to
vote for or against such matters received from Fund shareholders. The Fund shall
vote shares for which it receives no voting  instructions in the same proportion
as the shares for which it receives voting instructions.  Other investors in the
Portfolio may alone or collectively  acquire  sufficient voting interests in the
Portfolio to control matters  relating to the operation of the Portfolio,  which
may require the Fund to withdraw its  investment  in the Portfolio or take other
appropriate action. Any such withdrawal could result in a distribution "in kind"
of portfolio  securities (as opposed to a cash distribution from the Portfolio).
If securities  are  distributed,  the Fund could incur  brokerage,  tax or other
charges in converting the securities to cash. In addition,  the  distribution in
kind may result in a less  diversified  portfolio  of  investments  or adversely
affect the  liquidity of the Fund.  Notwithstanding  the above,  there are other
means for meeting shareholder redemption requests, such as borrowing.

   
    The  Trustees  of the  Trust,  including  a  majority  of the  noninterested
Trustees,  have approved written procedures designed to identify and address any
potential  conflicts of interest  arising from the fact that the Trustees of the
Trust and the Trustees of the Portfolio are the same.  Such  procedures  require
each Board to take action to resolve any  conflict of interest  between the Fund
and the Portfolio,  and it is possible that the creation of separate  Boards may
be considered.  For further information  concerning the Trustees and officers of
the Trust and the Portfolio, see the Statement of Additional Information.
    

MANAGEMENT OF THE FUND AND THE PORTFOLIO
------------------------------------------------------------------------------
THE PORTFOLIO  ENGAGES BOSTON  MANAGEMENT AND RESEARCH  ("BMR"),  A WHOLLY-OWNED
SUBSIDIARY OF EATON VANCE MANAGEMENT ("EATON VANCE"), AS ITS INVESTMENT ADVISER.
EATON VANCE,  ITS  AFFILIATES AND ITS  PREDECESSOR  COMPANIES HAVE BEEN MANAGING
ASSETS OF  INDIVIDUALS  AND  INSTITUTIONS  SINCE  1924 AND  MANAGING  INVESTMENT
COMPANIES SINCE 1931.

   
    Acting  under  the  general  supervision  of the  Board of  Trustees  of the
Portfolio,  BMR manages  the  Portfolio's  investments  and  affairs.  Under its
investment  advisory  agreement  with the  Portfolio,  BMR  receives  a  monthly
advisory fee of 5/96 of 1% (equivalent to 0.625%  annually) of the average daily
net assets of the Portfolio.  For the period from the start of business,  August
1, 1994, to December 31, 1994, the Portfolio  paid BMR advisory fees  equivalent
to 0.625%  (annualized)  of the  Portfolio's  average  daily net assets for such
period.

    BMR  also  furnishes  for  the use of the  Portfolio  office  space  and all
necessary  office   facilities,   equipment  and  personnel  for  servicing  the
investments  of the Portfolio.  The Portfolio is responsible  for the payment of
all of its expenses other than those expressly stated to be payable by BMR under
the investment advisory agreement.

    BMR places the portfolio  transactions  of the Portfolio for execution  with
many  broker-dealer  firms and uses its best efforts to obtain execution of such
transactions at prices which are advantageous to the Portfolio and at reasonably
competitive  commission rates. Subject to the foregoing,  BMR may consider sales
of shares of the Fund or of other investment companies sponsored by BMR or Eaton
Vance as a factor in the selection of broker-dealer  firms to execute  portfolio
transactions.

    Duncan W.  Richardson  has acted as the  portfolio  manager of the Portfolio
since it commenced operations. He has been a Vice President of Eaton Vance since
1987 and of BMR since 1992.

    BMR OR EATON VANCE ACTS AS INVESTMENT  ADVISER TO  INVESTMENT  COMPANIES AND
VARIOUS  INDIVIDUAL AND  INSTITUTIONAL  CLIENTS WITH ASSETS UNDER  MANAGEMENT OF
APPROXIMATELY  $15 BILLION.  Eaton Vance is a  wholly-owned  subsidiary of Eaton
Vance Corp.,  a publicly held holding  company.  Eaton Vance Corp.,  through its
subsidiaries  and  affiliates,  engages in investment  management  and marketing
activities,  fiduciary and banking services, oil and gas operations, real estate
investment,  consulting  and  management,  and  development  of precious  metals
properties.
    

    The Trust has retained  the services of Eaton Vance to act as  Administrator
of the Fund.  The Trust has not retained the services of an  investment  adviser
since  the  Trust  seeks to  achieve  the  investment  objective  of the Fund by
investing  the Fund's assets in the  Portfolio.  As  Administrator,  Eaton Vance
provides the Fund with general  office  facilities  and  supervises  the overall
administration of the Fund. For these services Eaton Vance currently receives no
compensation.  The  Trustees  of the  Trust may  determine,  in the  future,  to
compensate Eaton Vance for such services.

    The Portfolio and the Fund, as the case may be, will each be responsible for
all of its respective  costs and expenses not expressly  stated to be payable by
BMR  under  the  investment  advisory  agreement,   by  Eaton  Vance  under  the
administrative  services agreement,  or by EVD under the distribution agreement.
Such costs and expenses to be borne by the  Portfolio  and the Fund, as the case
may be,  include,  without  limitation:  custody  and  transfer  agency fees and
expenses,  including  those incurred for determining net asset value and keeping
accounting books and records;  expenses of pricing and valuation  services;  the
cost of share certficates;  membership dues in investment company organizations;
expenses  of  acquiring,   holding  and   disposing  of  securities   and  other
investments;  fees and expenses of registering under the securities laws and the
governmental  fees;  expenses of reporting to shareholders and investors;  proxy
statements and other expenses of shareholders' or investors' meetings; insurance
premiums;  printing and mailing  expenses;  interest,  taxes and corporate fees;
legal and  accounting  expenses;  compensation  and  expenses  of  Trustees  not
affiliated with BMR or Eaton Vance;  and investment  advisory fees, and, if any,
administrative  services  fees.  The  Portfolio and the Fund will also each bear
expenses  incurred in connection  with  litigation in which the Portfolio or the
Fund,  as the case may be, is a party and any legal  obligation to indemnify its
respective officers and Trustees with respect thereto.

DISTRIBUTION PLAN
------------------------------------------------------------------------------
   
THE FUND FINANCES  DISTRIBUTION  ACTIVITIES AND HAS ADOPTED A DISTRIBUTION  PLAN
(THE "PLAN")  PURSUANT TO RULE 12B-1 UNDER THE  INVESTMENT  COMPANY ACT OF 1940.
Rule 12b-1  permits a mutual  fund,  such as the Fund,  to finance  distribution
activities  and bear expenses  associated  with the  distribution  of its shares
provided  that any payments made by the Fund are made pursuant to a written plan
adopted in accordance  with the Rule. The Plan is subject to, and complies with,
the sales charge rule of the National  Association of Securities  Dealers,  Inc.
(the "NASD Rule").  The Plan is described further in the Statement of Additional
Information,  and the following is a description of the salient  features of the
Plan. The Plan provides that the Fund,  subject to the NASD Rule, will pay sales
commissions and distribution fees to the Principal Underwriter only after and as
a  result  of the  sale of  shares  of the  Fund.  On each  sale of Fund  shares
(excluding  reinvestment  of  distributions)  the Fund  will  pay the  Principal
Underwriter amounts representing (i) sales commissions equal to 5% of the amount
received by the Fund for each share sold and (ii)  distribution  fees calculated
by applying the rate of 1% over the prime rate then  reported in The Wall Street
Journal  to the  outstanding  balance  of  Uncovered  Distribution  Charges  (as
described  below)  of  the  Principal  Underwriter.  The  Principal  Underwriter
currently expects to pay sales commissions (except on exchange  transactions and
reinvestments) to a financial  services firm (an "Authorized  Firm") at the time
of sale equal to 4% of the purchase  price of the shares sold by such Firm.  The
Principal  Underwriter will use its own funds (which may be borrowed from banks)
to pay such  commissions.  Because  the  payment  of the sales  commissions  and
distribution  fees to the  Principal  Underwriter  is  subject  to the NASD Rule
described  below,  it will take the  Principal  Underwriter a number of years to
recoup the sales  commissions  paid by it to Authorized  Firms from the payments
received by it from the Fund pursuant to the Plan.

THE  NASD  RULE  REQUIRES  THE  FUND TO  LIMIT  ITS  ANNUAL  PAYMENTS  OF  SALES
COMMISSIONS AND DISTRIBUTION FEES TO THE PRINCIPAL  UNDERWRITER TO AN AMOUNT NOT
EXCEEDING  .75% OF THE FUND'S  AVERAGE  DAILY NET ASSETS FOR EACH  FISCAL  YEAR.
Under its Plan, the Fund accrues daily an amount at the rate of 1/365 of .75% of
the Fund's net assets,  and pays such accrued  amounts  monthly to the Principal
Underwriter.  The Plan requires such accruals to be  automatically  discontinued
during  any  period in which  there are no  outstanding  Uncovered  Distribution
Charges under the Plan.Uncovered  Distribution Charges are calculated daily and,
briefly, are equivalent to all unpaid sales commissions and distribution fees to
which the Principal  Underwriter  is entitled under the Plan less all contingent
deferred sales charges theretofore paid to the Principal Underwriter.  The Eaton
Vance organization may be considered to have realized a profit under the Plan if
at any point in time the  aggregate  amounts  of all  payments  received  by the
Principal  Underwriter  from  the  Fund  pursuant  to the  Plan,  including  any
contingent deferred sales charges,  have exceeded the total expenses theretofore
incurred by such organization in distributing shares of the Fund. Total expenses
for this purpose will include an allocable portion of the overhead costs of such
organization and its branch offices.

    The amount payable by the Fund to the Principal  Underwriter pursuant to the
Plan with  respect to each day will be accrued on such day as a liability of the
Fund and will accordingly reduce the Fund's net assets upon such accrual, all in
accordance with generally accepted accounting principles.  The amount payable on
each day is limited  to 1/365 of .75% of the Fund's net assets on such day.  The
level of the Fund's net assets  changes  each day and depends upon the amount of
sales  and  redemptions  of  Fund  shares,  the  changes  in  the  value  of the
investments  held by the  Portfolio,  the expenses of the Fund and the Portfolio
accrued and allocated to the Fund on such day,  income on portfolio  investments
of the  Portfolio  accrued  and  allocated  to the  Fund  on such  day,  and any
dividends and  distributions  declared on Fund shares.  The Fund does not accrue
possible future payments as a liability of the Fund or reduce the Fund's current
net assets in respect of unknown amounts which may become payable under the Plan
in the future  because  the  standards  for  accrual of a  liability  under such
accounting principles have not been satisfied.

    The Plan provides that the Fund will receive all  contingent  deferred sales
charges and will make no payments to the Principal Underwriter in respect of any
day on which  there are no  outstanding  Uncovered  Distribution  Charges of the
Principal  Underwriter.  Contingent  deferred sales charges and accrued  amounts
will be paid by the  Fund to the  Principal  Underwriter  whenever  there  exist
Uncovered Distribution Charges under the Plan.
    

    The  provisions  of the Plan relating to payments of sales  commissions  and
distribution  fees  to  the  Principal  Underwriter  are  also  included  in the
Distribution Agreement between the Trust on behalf of the Fund and the Principal
Underwriter.  The Plan continues in effect through and including April 28, 1995,
and  shall  continue  in  effect  indefinitely  thereafter  for so  long as such
continuance  is approved at least annually by the vote of both a majority of (i)
the  Trustees of the Trust who are not  interested  persons of the Trust and who
have no direct or indirect  financial  interest in the  operation of the Plan or
any agreements  related to the Plan (the "Rule 12b-1  Trustees") and (ii) all of
the Trustees then in office,  and the Distribution  Agreement contains a similar
provision.  The Plan and Distribution Agreement may be terminated at any time by
vote of a majority of the Rule 12b-1  Trustees or by a vote of a majority of the
outstanding voting securities of the Fund.

    Periods with a high level of sales of Fund shares accompanied by a low level
of early  redemptions  of Fund shares  resulting in the imposition of contingent
deferred  sales  charges  will tend to increase the time during which there will
exist Uncovered Distribution Charges of the Principal  Underwriter.  Conversely,
periods with a low level of sales of Fund shares  accompanied by a high level of
early  redemptions  of Fund shares  resulting in the  imposition  of  contingent
deferred  sales  charges  will tend to reduce the time  during  which there will
exist Uncovered Distribution Charges of the Principal Underwriter.

   
    Because of the NASD Rule  limitation on the amount of sales  commissions and
distribution  fees paid to the Principal  Underwriter  during any fiscal year, a
high  level of sales of Fund  shares  during  the  initial  years of the  Fund's
operations would cause a large portion of the sales commission attributable to a
sale of  Fund  shares  to be  accrued  and  paid  by the  Fund to the  Principal
Underwriter  in fiscal  years  subsequent  to the year in which such shares were
sold.  This  spreading  of sales  commissions  payments  under  the Plan over an
extended  period  would  result  in the  incurrence  and  payment  of  increased
distribution  fees under the Plan.  For the period  from the start of  business,
August 17, 1994, to December 31, 1994, the Fund paid sales commissions under the
Plan equivalent to .75%  (annualized) of the Fund's average daily net assets for
such period. As at December 31, 1994, the Uncovered  Distribution Charges of the
Principal  Underwriter  calculated  under  the Plan  amounted  to  approximately
$39,703 (equivalent to 3.7% of the Fund's net assets on such day).

THE PLAN  ALSO  AUTHORIZES  THE FUND TO MAKE  PAYMENTS  OF  SERVICE  FEES TO THE
PRINCIPAL  UNDERWRITER,  AUTHORIZED  FIRMS  AND OTHER  PERSONS  IN  AMOUNTS  NOT
EXCEEDING  .25% OF THE FUND'S AVERAGE DAILY NET ASSETS FOR EACH FISCAL YEAR. The
Trustees of the Trust have initially  implemented  the Plan by  authorizing  the
Fund to make  quarterly  service fee payments to the Principal  Underwriter  and
Authorized  Firms in amounts not  expected to exceed .25% of the Fund's  average
daily net assets for any fiscal  year based on the value of Fund  shares sold by
such persons and remaining  outstanding for at least twelve months. As permitted
by the NASD Rule,  all such payments are made for personal  services  and/or the
maintenance of shareholder accounts. Service fees are separate and distinct from
the sales commissions and distribution fees payable by the Fund to the Principal
Underwriter,  and as such are not subject to automatic discontinuance when there
are no outstanding Uncovered  Distribution Charges of the Principal Underwriter.
The Fund  expects to begin  accruing  for its  service fee  payments  during the
quarter ending September 30, 1995.

    As currently  implemented by the Trustees,  the Plan authorizes  payments of
sales commissions and distribution fees to the Principal Underwriter and service
fees to the Principal  Underwriter and Authorized Firms which may be equivalent,
on an aggregate  basis  during any fiscal year of the Fund,  to 1% of the Fund's
average daily net assets for such year. The Fund believes that the combined rate
of all  these  payments  may be  higher  than the rate of  payments  made  under
distribution plans adopted by other investment companies pursuant to Rule 12b-1.
It is anticipated that the Eaton Vance organization will profit by reason of the
operation of the Plan through increases in the Fund's assets (thereby increasing
the advisory fees payable to BMR by the Portfolio)  resulting from sales of Fund
shares and through amounts paid under the Plan to the Principal  Underwriter and
contingent deferred sales charges paid to the Principal Underwriter.
    

    The  Principal  Underwriter  may,  from  time to time,  at its own  expense,
provide  additional  incentives  to  Authorized  Firms which  employ  registered
representatives  who sell a minimum  dollar  amount of the Fund's  shares and/or
shares  of  other  funds  distributed  by the  Principal  Underwriter.  In  some
instances,  such additional incentives may be offered only to certain Authorized
Firms whose  representatives are expected to sell significant amounts of shares.
In  addition,  the  Principal  Underwriter  may from  time to time  increase  or
decrease the sales commissions payable to Authorized Firms.

    The Fund may, in its absolute discretion,  suspend, discontinue or limit the
offering  of its shares at any time.  In  determining  whether  any such  action
should be taken, the Fund's management intends to consider all relevant factors,
including  without  limitation the size of the Fund, the investment  climate and
market  conditions,  the volume of sales and redemptions of Fund shares, and the
amount of Uncovered Distribution Charges of the Principal Underwriter.  The Plan
may  continue in effect and payments  may be made under the Plan  following  any
such  suspension,  discontinuance  or limitation of the offering of Fund shares;
however,  the Fund is not  contractually  obligated to continue the Plan for any
particular period of time.  Suspension of the offering of Fund shares would not,
of course, affect a shareholder's ability to redeem shares.

VALUING FUND SHARES
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THE FUND  VALUES ITS SHARES  ONCE ON EACH DAY THE NEW YORK STOCK  EXCHANGE  (THE
"EXCHANGE")  IS OPEN FOR  TRADING,  as of the close of  regular  trading  on the
Exchange  (normally  4:00 p.m.  New York  time).  The Fund's net asset value per
share is determined by its custodian,  Investors  Bank & Trust Company  ("IBT"),
(as agent for the Fund) in the manner  authorized  by the Trustees of the Trust.
Net asset value is computed by dividing  the value of the Fund's  total  assets,
less its  liabilities,  by the number of shares  outstanding.  Because  the Fund
invests its assets in an interest in the  Portfolio,  the Fund's net asset value
will  reflect  the  value of its  interest  in the  Portfolio  (which,  in turn,
reflects the underlying value of the Portfolio's assets and liabilities).
    

    Authorized  Firms must  communicate  an  investor's  order to the  Principal
Underwriter  prior to the close of the Principal  Underwriter's  business day to
receive that day's net asset value per Fund share.  It is the Authorized  Firms'
responsibility to transmit orders promptly to the Principal  Underwriter,  which
is a wholly-owned subsidiary of Eaton Vance.

   
    The  Portfolio's  net  asset  value is also  determined  as of the  close of
regular  trading  on the  Exchange  by IBT  (as  custodian  and  agent  for  the
Portfolio) in the manner authorized by the Trustees of the Portfolio.  Net asset
value is computed by subtracting the liabilities of the Portfolio from the value
of its total assets.  Securities listed on securities exchanges or in the NASDAQ
National Market are valued at closing sale prices. Unlisted or listed securities
for which  closing sale prices are not  available are valued at the mean between
the latest bid and asked  prices.  Securities  for which market  quotations  are
unavailable, including any security the disposition of which is restricted under
the  Securities  Act of 1933,  and other  assets will be appraised at their fair
value as  determined in good faith by or at the direction of the Trustees of the
Portfolio.  Short-term  obligations maturing in sixty days or less are valued at
original cost which, when combined with amortized  discount or accrued interest,
approximates  market.  For further  information  regarding  the  valuation of an
interest  in the  Portfolio,  see  "Determination  of Net  Asset  Value"  in the
Statement  of  Additional  Information.  Eaton  Vance  Corp.  owns  77.3% of the
outstanding stock of IBT, the Fund's and the Portfolio's custodian.
    
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  SHAREHOLDERS  MAY DETERMINE THE VALUE OF THEIR INVESTMENT BY MULTIPLYING THE
  NUMBER OF FUND SHARES OWNED BY THE CURRENT NET ASSET VALUE PER SHARE.
    
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HOW TO BUY FUND SHARES
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SHARES OF THE FUND MAY BE PURCHASED  FOR CASH OR MAY BE ACQUIRED IN EXCHANGE FOR
SECURITIES.  Investors may purchase shares of the Fund through  Authorized Firms
at the net asset value per share of the Fund next  determined  after an order is
effective.  The Fund may  suspend  the  offering  of  shares at any time and may
refuse an order for the purchase of shares.

   
    An initial  investment in the Fund must be at least $1,000.  Once an account
has been  established  the investor may send  investments  of $50 or more at any
time directly to the Fund's  Transfer Agent (the  "Transfer  Agent") as follows:
The Shareholder  Services Group, Inc., BOS725,  P.O. Box 1559, Boston, MA 02104.
The $1,000 minimum  initial  investment is waived for Bank  Automated  Investing
accounts, which may be established with an investment of $50 or more. See "Eaton
Vance Shareholder Services".

    In connection with employee benefit or other continuous group purchase plans
under which the average initial  purchase by a participant of the plan is $1,000
or more, the Fund may accept initial investments of less than $1,000 on the part
of an individual participant. In the event a shareholder who is a participant of
such a plan  terminates  participation  in the plan,  his or her shares  will be
transferred  to a regular  individual  account.  However,  such  account will be
subject to the right of redemption by the Fund as described under "How to Redeem
Fund Shares".

    ACQUIRING FUND SHARES IN EXCHANGE FOR SECURITIES. IBT, as escrow agent, will
receive securities acceptable to Eaton Vance, as Administrator,  in exchange for
Fund shares at their net asset value as determined  above.  The minimum value of
securities (or  securities and cash) accepted for deposit is $5,000.  Securities
accepted  will be sold by IBT as agent for the account of their owner on the day
of their receipt by IBT or as soon  thereafter  as possible.  The number of Fund
shares to be issued in exchange for  securities  will be the aggregate  proceeds
from the sale of such securities,  divided by the applicable net asset value per
Fund  share  on the day  such  proceeds  are  received.  Eaton  Vance  will  use
reasonable  efforts to obtain the then current market price for such  securities
but does not guarantee  the best  available  price.  Eaton Vance will absorb any
transaction costs, such as commissions, on the sale of the securities.
    

    Securities  determined to be acceptable should be transferred via book entry
or  physically  delivered,  in proper form for  transfer,  through an Authorized
Firm,  together with a completed and signed  Letter of  Transmittal  in approved
form (available from Authorized Firms), as follows:

   
    IN THE CASE OF BOOK ENTRY:
        Deliver through Depository Trust Co.
        Broker #2212
        Investors Bank & Trust Company
        For A/C EV Marathon Stock Fund
    IN THE CASE OF PHYSICAL DELIVERY:
        Investors Bank & Trust Company
        Attention: EV Marathon Stock Fund
        Physical Securities Processing Settlement Area
        89 South Street
        Boston, MA 02111

    Investors who are  contemplating an exchange of securities for shares of the
Fund, or their representatives,  are advised to contact Eaton Vance to determine
whether the securities are acceptable  before forwarding such securities to IBT.
Eaton Vance reserves the right to reject any securities.  Exchanging  securities
for Fund shares may create a taxable gain or loss.  Each investor should consult
his or her tax adviser with respect to the particular  Federal,  state and local
tax consequences of exchanging securities for Fund shares.
    
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  IF YOU DON'T HAVE AN AUTHORIZED FIRM, EATON VANCE CAN RECOMMEND ONE.
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HOW TO REDEEM FUND SHARES
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A SHAREHOLDER MAY REDEEM FUND SHARES BY DELIVERING TO THE  SHAREHOLDER  SERVICES
GROUP, INC.,  BOS725,  P.O. BOX 1559, BOSTON,  MASSACHUSETTS  02104,  during its
business hours a written  request for  redemption in good order,  plus any share
certificates  with executed stock powers.  The redemption price will be based on
the net asset value per Fund share next computed after such delivery. Good order
means that all  relevant  documents  must be  endorsed  by the record  owner (s)
exactly as the shares are registered and the signature(s)  must be guaranteed by
a member of either the Securities  Transfer  Association's  STAMP program or the
New York Stock Exchange's Medallion Signature Program, or certain banks, savings
and loan institutions,  credit unions, securities dealers, securities exchanges,
clearing  agencies  and  registered  securities  associations  as  required by a
regulation of the  Securities and Exchange  Commission  (the  "Commission")  and
acceptable to The Shareholder  Services Group, Inc. In addition,  in some cases,
good order may require the  furnishing  of  additional  documents  such as where
shares are registered in the name of a corporation, partnership or fiduciary.

   
    Within seven days after receipt of a redemption request in good order by The
Shareholder Services Group, Inc., the Fund will make payment in cash for the net
asset value of the shares as of the date determined above, reduced by the amount
of any applicable  contingent  deferred sales charge  (described  below) and any
Federal income tax required to be withheld.  Although the Fund normally  expects
to make payment in cash for redeemed  shares,  the Trust,  subject to compliance
with applicable regulations,  has reserved the right to pay the redemption price
of shares of the Fund, either totally or partially, by a distribution in kind of
readily  marketable  securities  withdrawn by the Fund from the  Portfolio.  The
securities so distributed would be valued pursuant to the Portfolio's  valuation
procedures.  If a shareholder  received a distribution  in kind, the shareholder
could incur brokerage or other charges in converting the securities to cash.

    To sell  shares at their net  asset  value  through  an  Authorized  Firm (a
repurchase),  a  shareholder  can place a repurchase  order with the  Authorized
Firm,  which may  charge a fee.  The value of such  shares is based upon the net
asset value calculated after EVD, as the Fund's agent, receives the order. It is
the Authorized Firm's  responsibility to transmit promptly  repurchase orders to
EVD.  Throughout this Prospectus,  with word  "redemption" is generally meant to
include a repurchase.
    

    If  shares  were  recently   purchased,   the  proceeds  of  redemption  (or
repurchase) will not be sent until the check (including a certified or cashier's
check)  received  for the  shares  purchased  has  cleared.  Payment  for shares
tendered for redemption may be delayed up to 15 days from the purchase date when
the purchase check has not yet cleared. Redemptions or repurchases may result in
a taxable gain or loss.

   
    Due to the high cost of maintaining  small  accounts,  the Fund reserves the
right to redeem  accounts  with  balances of less than  $1,000.  Prior to such a
redemption,  shareholders  will be  given  60 days'  written  notice  to make an
additional  purchase.  Thus, an investor making an initial  investment of $1,000
would  not be able to  redeem  shares  without  being  subject  to this  policy.
However,  no such  redemption  would be required by the Fund if the cause of the
low account  balance was a reduction in the net asset value of Fund  shares.  No
contingent   deferred  sales  charge  will  be  imposed  with  respect  to  such
involuntary redemptions.

    CONTINGENT DEFERRED SALES CHARGE. Shares redeemed within the first six years
of  their  purchase   (except  shares  acquired   through  the  reinvestment  of
distributions)  generally will be subject to a contingent deferred sales charge.
This contingent deferred sales charge is imposed on any redemption the amount of
which exceeds the aggregate value at the time of redemption of (a) all shares in
the  account  purchased  more than six years  prior to the  redemption,  (b) all
shares in the account acquired through  reinvestment of  distributions,  and (c)
the increase,  if any, of value of all other shares in the account (namely those
purchased within the six years preceding the redemption) over the purchase price
of such shares.  Redemptions are processed in a manner to maximize the amount of
redemption  proceeds  which will not be subject to a contingent  deferred  sales
charge.  That is, each  redemption  will be assumed to have been made first from
the exempt  amounts  referred to in clauses (a),  (b) and (c) above,  and second
through  liquidation of those shares in the account referred to in clause (c) on
a  first-in-first-out  basis.  Any  contingent  deferred  sales  charge which is
required to be imposed on share  redemptions will be made in accordance with the
following schedule:
    

            YEAR OF                                           CONTINGENT
          REDEMPTION                                        DEFERRED SALES
        AFTER PURCHASE                                          CHARGE
        --------------                                      --------------

      First ............................................          5%
      Second ...........................................          5%
      Third ............................................          4%
      Fourth ...........................................          3%
      Fifth ............................................          2%
      Sixth ............................................          1%
      Seventh and following ............................          0%

   
    In calculating  the contingent  deferred sales charge upon the redemption of
Fund shares acquired in an exchange for shares of a fund currently  listed under
"The Eaton Vance  Exchange  Privilege,"  the  contingent  deferred  sales charge
schedule  applicable  to the shares at the time of  purchase  will apply and the
purchase of Fund shares  acquired in the exchange is deemed to have  occurred at
the time of the  original  purchase  of the  exchanged  shares.  The  contingent
deferred  sales  charge  will be waived for shares  redeemed  (1)  pursuant to a
Withdrawal  Plan (see  "Eaton  Vance  Shareholder  Services"),  (2) as part of a
required distribution from a tax-sheltered  retirement plan or (3) following the
death of all  beneficial  owners of such  shares,  provided  the  redemption  is
requested  within one year of death (a death  certificate  and other  applicable
documents may be required).

    No  contingent  deferred  sales  charge will be imposed on Fund shares which
have  been  sold to  Eaton  Vance  or its  affiliates,  or to  their  respective
employees or clients.  The contingent  deferred sales charge will be paid to the
Principal  Underwriter  or the Fund.  When paid to the Principal  Underwriter it
will reduce the amount of Uncovered  Distribution  Charges  calculated under the
Fund's Distribution Plan. See "Distribution Plan".

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  THE FOLLOWING EXAMPLE  ILLUSTRATES THE OPERATION OF THE CONTINGENT  DEFERRED
  SALES CHARGE. ASSUME THAT AN INVESTOR PURCHASES $10,000 OF THE FUND'S SHARES
  AND  THAT 16  MONTHS  LATER  THE  VALUE OF THE  ACCOUNT  HAS  GROWN  THROUGH
  INVESTMENT  PERFORMANCE AND REINVESTMENT OF  DISTRIBUTIONS  TO $12,000.  THE
  INVESTOR  THEN MAY  REDEEM  UP TO  $2,000  OF  SHARES  WITHOUT  INCURRING  A
  CONTINGENT  DEFERRED SALES CHARGE.  IF THE INVESTOR  SHOULD REDEEM $3,000 OF
  SHARES,  A CHARGE  WOULD BE  IMPOSED ON $1,000 OF THE  REDEMPTION.  THE RATE
  WOULD BE 5% BECAUSE  THE  REDEMPTION  WAS MADE IN THE SECOND  YEAR AFTER THE
  PURCHASE WAS MADE AND THE CHARGE WOULD BE $50.
    
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REPORTS TO SHAREHOLDERS
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THE  FUND  WILL  ISSUE  TO  ITS  SHAREHOLDERS  SEMI-ANNUAL  AND  ANNUAL  REPORTS
CONTAINING FINANCIAL STATEMENTS. Financial statements included in annual reports
are audited by the Fund's independent accountants. Shortly after the end of each
calendar year, the Fund will furnish all shareholders with information necessary
for preparing Federal and state tax returns.
    

THE LIFETIME INVESTING ACCOUNT/DISTRIBUTION OPTIONS
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AFTER AN INVESTOR MAKES AN INITIAL PURCHASE OF FUND SHARES,  THE FUND'S TRANSFER
AGENT, THE SHAREHOLDER  SERVICES GROUP,  INC., WILL SET UP A LIFETIME  INVESTING
ACCOUNT  FOR THE  INVESTOR  ON THE FUND'S  RECORDS.  This  account is a complete
record of all transactions  between the investor and the Fund which at all times
shows the balance of shares  owned.  The Fund will not issue share  certificates
except upon request.

   
    Each  time  a  transaction  takes  place  in a  shareholder's  account,  the
shareholder will receive a statement showing complete details of the transaction
and the  current  balance  in the  account.  (Under  certain  investment  plans,
statements  may be sent only  quarterly).  THE LIFETIME  INVESTING  ACCOUNT ALSO
PERMITS A  SHAREHOLDER  TO MAKE  ADDITIONAL  INVESTMENTS  IN SHARES BY SENDING A
CHECK FOR $50 OR MORE to The Shareholder Services Group, Inc.
    

    Any questions  concerning a shareholder's  account or services available may
be directed by telephone to EATON VANCE  SHAREHOLDER  SERVICES at  800-225-6265,
extension 2 or in writing to The Shareholder  Services Group, Inc., BOS725, P.O.
Box 1559, Boston, MA 02104 (please provide the name of the shareholder, the Fund
and the account number).

    THE  FOLLOWING  DISTRIBUTION  OPTIONS  WILL  BE  AVAILABLE  TO ALL  LIFETIME
INVESTING  ACCOUNTS and may be changed as often as desired by written  notice to
the Fund's dividend  disbursing  agent,  The Shareholder  Services Group,  Inc.,
BOS725,  P.O. Box 1559,  Boston,  MA 02104. The currently  effective option will
appear on each confirmation statement.

   
    Share Option -- Dividends and capital gains will be reinvested in additional
shares.
    Income Option -- Dividends  will be paid in cash,  and capital gains will be
reinvested in additional shares.
    Cash Option -- Dividends and capital gains will be paid in cash.

    The  Share  Option  will  be  assigned  if no  other  option  is  specified.
Distributions,  including those  reinvested,  will be reduced by any withholding
required under Federal income tax laws.
    

    If the Income  Option or Cash  Option  has been  selected,  dividend  and/or
capital gains distribution checks which are returned by the United States Postal
Service as not  deliverable or which remain uncashed for six months or more will
be  reinvested  in the account in shares at the then  current  net asset  value.
Furthermore,  the  distribution  option  on the  account  will be  automatically
changed  to the  Share  Option  until  such  time as the  shareholder  selects a
different option.

    DISTRIBUTION  INVESTMENT OPTION. In addition to the distribution options set
forth above, dividends and/or capital gains may be invested in additional shares
of another Eaton Vance fund. Before selecting this option, a shareholder  should
obtain a prospectus  of the other Eaton Vance fund and  consider its  objectives
and policies carefully.

   
    "STREET  NAME"  ACCOUNTS.  If shares of the Fund are held in a "street name"
account with an Authorized Firm, all recordkeeping,  transaction  processing and
payments of  distributions  relating to the beneficial  owner's  account will be
performed by the Authorized  Firm,  and not by the Fund and its Transfer  Agent.
Since the Fund will have no record of the  beneficial  owner's  transactions,  a
beneficial  owner should  contact the  Authorized  Firm to  purchase,  redeem or
exchange shares, to make changes in or give instructions concerning the account,
or to obtain information about the account.  The transfer of shares in a "street
name" account to an account with another  dealer or to an account  directly with
the Fund involves  special  procedures and will require the beneficial  owner to
obtain historical purchase  information about the shares in the account from the
Authorized Firm. Before  establishing a "street name" account with an investment
firm,  or  transferring  the  account to another  investment  firm,  an investor
wishing to reinvest  distributions  should determine whether the firm which will
hold the shares allows reinvestment of distributions in "street name" accounts.

------------------------------------------------------------------------------
  UNDER A  LIFETIME  INVESTING  ACCOUNT  A  SHAREHOLDER  CAN  MAKE  ADDITIONAL
  INVESTMENTS IN SHARES BY SENDING A CHECK FOR $50 OR MORE.
    
------------------------------------------------------------------------------

THE EATON VANCE EXCHANGE PRIVILEGE
------------------------------------------------------------------------------

   
Shares of the Fund may be exchanged for shares of one or more other funds in the
Eaton Vance Marathon  Group of Funds (which  includes Eaton Vance Equity- Income
Trust and any EV Marathon fund, except Eaton Vance Prime Rate Reserves) or Eaton
Vance  Money  Market  Fund  (available  on or about  April 3,  1995)  which  are
distributed  subject to a contingent  deferred sales charge, on the basis of the
net asset  value per  share of each fund at the time of the  exchange,  provided
that such exchange  offers are available only in states where shares of the fund
being acquired may be legally sold.

    Each exchange  must involve  shares which have a net asset value of at least
$1,000. The exchange  privilege may be changed or discontinued  without penalty.
Shareholders  will be given sixty (60) days' notice prior to any  termination or
material  amendment  of the  exchange  privilege.  The Fund does not  permit the
exchange privilege to be used for "Market Timing" and may terminate the exchange
privilege for any  shareholder  account engaged in Market Timing  activity.  Any
shareholder account for which more than two round-trip exchanges are made within
any  twelve  month  period  will be  deemed  to be  engaged  in  Market  Timing.
Furthermore,  a group of  unrelated  accounts  for which  exchanges  are entered
contemporaneously  by a financial  intermediary will be considered to be engaged
in Market Timing.
    

    The Shareholder  Services Group, Inc. makes exchanges at the next determined
net asset value after  receiving an exchange  request in good order (see "How to
Redeem  Fund  Shares").   Consult  The  Shareholder  Services  Group,  Inc.  for
additional  information  concerning  the exchange  privilege.  Applications  and
prospectuses of other funds are available from Authorized Firms or the Principal
Underwriter.  The prospectus  for each fund describes its investment  objectives
and policies,  and  shareholders  should obtain a prospectus  and consider these
objectives and policies carefully before requesting an exchange.

   
    No contingent deferred sales charge is imposed on exchanges. For purposes of
calculating  the contingent  deferred sales charge upon the redemption of shares
acquired  in  an  exchange,   the  contingent  deferred  sales  charge  schedule
applicable  to the shares at the time of purchase will apply and the purchase of
shares  acquired in one or more exchanges is deemed to have occurred at the time
of the original  purchase of the exchanged shares.  For the contingent  deferred
sales charge  schedule  applicable  to the Eaton Vance  Marathon  Group of Funds
(except EV Marathon  Strategic Income Fund and Class I shares of any EV Marathon
Limited Maturity Fund), see "How to Redeem Fund Shares". The contingent deferred
sales charge schedule  applicable to EV Marathon Strategic Income Fund and Class
I shares of any EV Marathon  Limited  Maturity Fund is 3%, 2.5%, 2% or 1% in the
event of a  redemption  occurring  in the first,  second,  third or fourth year,
respectively, after the original share purchase.

    Shares of the other  funds in the Eaton  Vance  Marathon  Group of Funds and
shares of Eaton Vance Money Market Fund (when  available)  may be exchanged  for
Fund  shares on the  basis of the net asset  value per share of each fund at the
time of the exchange,  but subject to any  restrictions  or  qualifications  set
forth in the current prospectus of any such fund.

    Telephone  exchanges are accepted by The Shareholder  Services Group,  Inc.,
provided  that  the  investor  has  not  disclaimed  in  writing  the use of the
privilege.  To effect such exchanges,  call The Shareholder Services Group, Inc.
at 800-262-1122 or, within Massachusetts,  617-573-9403,  Monday through Friday,
9:00 a.m. to 4:00 p.m.  (Eastern  Standard  Time).  Shares acquired by telephone
exchange must be registered in the same name(s) and with the same address as the
shares being  exchanged.  Neither the Fund,  the Principal  Underwriter  nor The
Shareholder  Services Group,  Inc. will be responsible  for the  authenticity of
exchange instructions received by telephone, provided that reasonable procedures
to confirm  that  instructions  communicated  are  genuine  have been  followed.
Telephone  instructions  will be tape recorded.  In times of drastic economic or
market changes, a telephone exchange may be difficult to implement.  An exchange
may result in a taxable gain or loss.
    

EATON VANCE SHAREHOLDER SERVICES
------------------------------------------------------------------------------
   
THE FUND OFFERS THE FOLLOWING  SERVICES,  WHICH ARE VOLUNTARY,  INVOLVE NO EXTRA
CHARGE,  AND MAY BE CHANGED OR  DISCONTINUED  WITHOUT  PENALTY AT ANY TIME. Full
information on each of the services  described below and an  application,  where
required, are available from Authorized Firms or the Principal Underwriter.  The
cost  of  administering  such  services  for the  benefit  of  shareholders  who
participate in them is borne by the Fund as an expense to all shareholders.
    

INVEST-BY-MAIL  -- FOR  PERIODIC  SHARE  ACCUMULATION:  Once the $1,000  minimum
investment has been made, checks of $50 or more payable to the order of the Fund
may be mailed directly to The Shareholder Services Group, Inc., BOS725, P.O. Box
1559,  Boston,  MA  02104  at any  time  --  whether  or not  distributions  are
reinvested. The name of the shareholder,  the Fund and the account number should
accompany each investment.

   
BANK AUTOMATIC INVESTING -- FOR REGULAR SHARE ACCUMULATION:  Cash investments of
$50 or more may be made automatically each month or quarter from a shareholder's
bank account. The $1,000 minimum initial investment and small account redemption
policy are waived for these accounts.

WITHDRAWAL  PLAN: A shareholder may draw on  shareholdings  systematically  with
monthly or quarterly checks in an aggregate amount that does not exceed annually
12% of the account balance at the time the plan is established. Such amount will
not be subject to a contingent  deferred  sales charge.  See "How to Redeem Fund
Shares". A minimum deposit of $5,000 in shares is required.

REINVESTMENT PRIVILEGE: A SHAREHOLDER WHO HAS REPURCHASED OR REDEEMED SHARES MAY
REINVEST,  WITH CREDIT FOR ANY  CONTINGENT  DEFERRED  SALES  CHARGES PAID ON THE
REPURCHASED  OR  REDEEMED  SHARES,  ANY  PORTION  OR ALL OF  THE  REPURCHASE  OR
REDEMPTION PROCEEDS (PLUS THAT AMOUNT NECESSARY TO ACQUIRE A FRACTIONAL SHARE TO
ROUND  OFF THE  PURCHASE  TO THE  NEAREST  FULL  SHARE)  IN  SHARES OF THE FUND,
provided that the  reinvestment is effected within 30 days after such repurchase
or  redemption.  Shares are sold to a reinvesting  shareholder  at the net asset
value next determined  following  timely receipt of a written  purchase order by
the Principal  Underwriter or by the Fund (or by the Fund's Transfer Agent).  To
the extent that any shares of the Fund are sold at a loss and the  proceeds  are
reinvested  in  shares of the Fund (or  other  shares  of the Fund are  acquired
within the period  beginning 30 days before and ending 30 days after the date of
the  redemption)  some or all of the loss generally will not be allowed as a tax
deduction.  Shareholders  should  consult their tax advisers  concerning the tax
consequences of reinvestments.
    

TAX-SHELTERED RETIREMENT PLANS:  Shares of the Fund are available for purchase
in connection with the following tax-sheltered retirement plans:

    -- Pension and Profit Sharing Plans for self-employed individuals,
       corporations and non-profit organizations;

    -- Individual Retirement Account Plans for individuals and their non-
       employed spouses; and

   
    -- 403(b)   Retirement   Plans  for  employees  of  public  school  systems,
       hospitals,  colleges and other non-profit  organizations  meeting certain
       requirements  of the  Internal  Revenue  Code of 1986,  as  amended  (the
       "Code").
    

    Detailed information concerning these plans, including certain exceptions to
minimum investment requirements,  and copies of the plans are available from the
Principal   Underwriter.   This   information   should  be  read  carefully  and
consultation  with an attorney or tax adviser may be advisable.  The information
sets forth the  service  fee  charged for  retirement  plans and  describes  the
Federal  income  tax  consequences  of  establishing  a plan.  Under all  plans,
dividends  and  distributions  will be  automatically  reinvested  in additional
shares.

DISTRIBUTIONS AND TAXES
------------------------------------------------------------------------------
   
It is the present  policy of the Fund to pay at least  quarterly  dividends from
net investment  income (when available)  allocated to the Fund by the Portfolio,
less the Fund's  direct  and  allocated  expenses,  and to  distribute  at least
annually any net capital gains  realized (the Fund's  realized net capital gains
consist of the net realized capital gains from the sale of portfolio  securities
allocated to the Fund by the Portfolio).

    Shareholders  may reinvest  dividends,  if any, in shares of the Fund at the
current net asset value per share as of the ex-dividend  date and may accumulate
capital gains  distributions,  if any, in additional  shares also at the current
net asset value per share as of the ex-dividend date.

    Distributions  by the Fund of  ordinary  income and net  short-term  capital
gains  allocated  to the Fund by the  Portfolio,  will be  taxable to the Fund's
shareholders  as ordinary  income,  whether  received in cash or  reinvested  in
additional  shares  of the Fund.  Shareholders  reinvesting  such  distributions
should treat the amount of the entire  distribution as the tax cost basis of the
additional shares acquired by reason of such reinvestment.  Distributions of net
long-term capital gains are taxable to shareholders as such, whether received in
cash or  reinvested  in  additional  shares of the Fund,  and  regardless of the
length of time shares have been owned by  shareholders.  If shares are purchased
shortly before the record date of a distribution,  the shareholder  will pay the
full price for the shares and then  receive  some portion of the price back as a
taxable  distribution.  Certain  distributions  which are  declared  in October,
November  or December  and paid the  following  January  will be  reportable  by
shareholders  as if  received  on  December  31 of the  year in  which  they are
declared.

    Shareholders will receive annually tax information notices and Forms 1099 to
assist in the  preparation  of their Federal and state tax returns for the prior
calendar year's distributions,  proceeds from the redemption or exchange of Fund
shares, and Federal income tax (if any) withheld by the Fund's Transfer Agent.

    In order to qualify as a regulated  investment  company under the Code,  the
Fund must satisfy  certain  requirements  relating to the sources of its income,
the  distribution  of its income,  and the  diversification  of its  assets.  In
satisfying  these  requirements,  the Fund  will  treat  itself  as  owning  its
proportionate  share of each of the  Portfolio's  assets and as  entitled to the
income of the Portfolio properly attributable to such share.
    
------------------------------------------------------------------------------
  AS A  REGULATED  INVESTMENT  COMPANY  UNDER THE CODE,  THE FUND DOES NOT PAY
  FEDERAL  INCOME  OR  EXCISE  TAXES  TO THE  EXTENT  THAT IT  DISTRIBUTES  TO
  SHAREHOLDERS  ITS NET  INVESTMENT  INCOME AND NET REALIZED  CAPITAL GAINS IN
  ACCORDANCE  WITH  THE  TIMING  REQUIREMENTS   IMPOSED  BY  THE  CODE.  AS  A
  PARTNERSHIP  UNDER THE CODE,  THE PORTFOLIO  DOES NOT PAY FEDERAL  INCOME OR
  EXCISE TAXES.
------------------------------------------------------------------------------

PERFORMANCE INFORMATION
------------------------------------------------------------------------------
   
FROM TIME TO TIME, THE FUND MAY ADVERTISE ITS AVERAGE  ANNUAL TOTAL RETURN.  The
Fund's average annual total return is determined by computing the average annual
percentage  change in value of $1,000  invested at the maximum  public  offering
price (net asset  value)  for  specified  periods  ending  with the most  recent
calendar quarter, assuming reinvestment of all distributions. The average annual
total return calculation assumes a complete redemption of the investment and the
deduction of any applicable  contingent  deferred sales charge at the end of the
period.  The Fund may also publish  annual and  cumulative  total return figures
from time to time.
    

    The  Fund may also  publish  total  return  figures  which do not take  into
account  any  contingent  deferred  sales  charge  which  may  be  imposed  upon
redemptions at the end of the specified  period.  Any  performance  figure which
does not take into account the contingent deferred sales charge would be reduced
to the extent such charge is imposed upon a redemption.

   
    Investors should note that the investment results of the Fund will fluctuate
over time, and any  presentation of the Fund's total return for any prior period
should not be considered as a  representation  of what an investment may earn or
what an investor's total return may be in any future period.  If the expenses of
the Fund or the Portfolio are paid by Eaton Vance,  the Fund's  performance will
be higher.
    
<PAGE>
                            INVESTMENT ADVISER OF
                               STOCK PORTFOLIO
                        Boston Management and Research
                              24 Federal Street
                               Boston, MA 02110

                               ADMINISTRATOR OF
                            EV MARATHON STOCK FUND
                            Eaton Vance Management
                              24 Federal Street
                               Boston, MA 02110

                            PRINCIPAL UNDERWRITER
                        Eaton Vance Distributors, Inc.
                              24 Federal Street
                               Boston, MA 02110
                                (800) 225-6265

                                  CUSTODIAN
                        Investors Bank & Trust Company
                              24 Federal Street
                               Boston, MA 02110

                                TRANSFER AGENT
                     The Shareholder Services Group, Inc.
                                    BOS725
                                P.O. Box 1559
                               Boston, MA 02104
                                (800) 262-1122

                           INDEPENDENT ACCOUNTANTS
                           Coopers & Lybrand L.L.P.
                            One Post Office Square
                               Boston, MA 02109


                            EV MARATHON STOCK FUND
                              24 FEDERAL STREET
                               BOSTON, MA 02110

                                    M-STP


                                    [LOGO]

                                 EV MARATHON
                                    STOCK
                                     FUND



                                  PROSPECTUS
                                APRIL 1, 1995
<PAGE>
   
                                    PART A
                     INFORMATION REQUIRED IN A PROSPECTUS

                          EV TRADITIONAL STOCK FUND


    EV  TRADITIONAL  STOCK FUND (THE "FUND") IS A MUTUAL FUND SEEKING  GROWTH OF
PRINCIPAL  AND  INCOME.  THE FUND  INVESTS  ITS ASSETS IN STOCK  PORTFOLIO  (THE
"PORTFOLIO"),   A  DIVERSIFIED  OPEN-END  INVESTMENT  COMPANY  HAVING  THE  SAME
INVESTMENT  OBJECTIVE  AS THE FUND,  RATHER  THAN BY DIRECTLY  INVESTING  IN AND
MANAGING ITS OWN PORTFOLIO OF SECURITIES AS WITH HISTORICALLY  STRUCTURED MUTUAL
FUNDS. THE FUND IS A SERIES OF EATON VANCE SECURITIES TRUST (THE "TRUST").

    Shares of the Fund are not  deposits or  obligations  of, or  guaranteed  or
endorsed  by,  any bank or other  insured  depository  institution,  and are not
federally  insured by the Federal  Deposit  Insurance  Corporation,  the Federal
Reserve  Board or any  other  government  agency.  Shares  of the  Fund  involve
investment risks,  including fluctuations in value and the possible loss of some
or all of the principal investment.

    This Prospectus is designed to provide you with  information you should know
before investing.  Please retain this document for future reference. A Statement
of Additional Information dated April 1, 1995 for the Fund, as supplemented from
time to time, has been filed with the Securities and Exchange  Commission and is
incorporated  herein by reference.  This Statement of Additional  Information is
available  without  charge from the Fund's  principal  underwriter,  Eaton Vance
Distributors,  Inc. (the "Principal Underwriter"), 24 Federal Street, Boston, MA
02110 (telephone (800) 225-6265).  The Portfolio's  investment adviser is Boston
Management and Research (the "Investment Adviser"), a wholly-owned subsidiary of
Eaton Vance  Management,  and Eaton Vance Management is the  administrator  (the
"Administrator")  of the Fund.  The  offices of the  Investment  Adviser and the
Administrator are located at 24 Federal Street, Boston, MA 02110.
    

------------------------------------------------------------------------------

THESE  SECURITIES  HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE  COMMISSION OR ANY STATE  SECURITIES  COMMISSION NOR HAS THE SECURITIES
AND  EXCHANGE  COMMISSION  OR ANY STATE  SECURITIES  COMMISSION  PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS
A CRIMINAL OFFENSE.

------------------------------------------------------------------------------
<TABLE>
   
<CAPTION>
                                                   PAGE                                                 PAGE
<S>                                                <C>   <S>                                              <C>
Shareholder and Fund Expenses .....................   2  How to Redeem Fund Shares .....................  12
The Fund's Financial Highlights ...................   3  Reports to Shareholders .......................  13
The Fund's Investment Objective ...................   4  The Lifetime Investing Account/Distribution
How the Fund and the Portfolio                             Options .....................................  13
  Invest their Assets; Risks ......................   4  The Eaton Vance Exchange Privilege ............  14
Organization of the Fund and the Portfolio ........   5  Eaton Vance Shareholder Services ..............  15
Management of the Fund and the Portfolio ..........   7  Distributions and Taxes .......................  17
Service Plan ......................................   8  Performance Information .......................  18
Valuing Fund Shares ...............................   9  Statement of Intention and
How to Buy Fund Shares ...........................   10    Escrow Agreement ............................  18
------------------------------------------------------------------------------------------------------------
</TABLE>
    

                        PROSPECTUS DATED APRIL 1, 1995

<PAGE>

   
SHAREHOLDER AND FUND EXPENSES\1/
------------------------------------------------------------------------------

SHAREHOLDER TRANSACTION EXPENSES
  Maximum Sales Charge Imposed on Purchases (as a percentage of offering
    price)                                                               4.75%
  Sales Charges Imposed on Reinvested Distributions                       None
  Redemption Fees                                                         None
  Fees to Exchange Shares                                                 None
  Contingent Deferred Sales Charges (on purchases of $1 million or more)
  Imposed on Redemptions
    During the First Eighteen Months (as a percentage of redemption
     proceeds exclusive of all reinvestments and capital appreciation
     in the account)\2/                                                  1.00%

ANNUAL FUND AND ALLOCATED PORTFOLIO OPERATING EXPENSES
  (as a percentage of average daily net assets)
  Investment Adviser Fee\3/                                             0.625%
  Rule 12b-1 Fees (Service Plan)                                        0.049%
  Other Expenses                                                        0.306%
                                                                        ----
      Total Operating Expenses                                          0.980%
                                                                        =====
                                                                        
EXAMPLE                                      1 YEAR  3 YEARS  5 YEARS  10 YEARS
                                             ------  -------  -------  --------

An investor would pay the following 
 expenses  (including  maximum initial
 sales charge) on a $1,000 investment,
 assuming (a) 5% annual return and (b)
 redemption at the end of each time period:   $57      $77      $99      $162

Notes:
\1/ The  purpose of the above table and Example is to  summarize  the  aggregate
    expenses  of  the  Fund  and  the  Portfolio  and  to  assist  investors  in
    understanding the various costs and expenses that investors in the Fund will
    bear  directly or  indirectly.  The Trustees of the Trust  believe that over
    time the aggregate per share  expenses of the Fund and the Portfolio  should
    be approximately  equal to the per share expenses which the Fund would incur
    if the Trust  retained the services of an investment  adviser and the assets
    of the Fund were invested  directly in the type of securities  being held by
    the Portfolio.  The costs and expenses included in the table and Example are
    based on the Fund's  fiscal year ended  December 31,  1994,  and reflect the
    Fund's current  policy of investing its assets in the  Portfolio.  The table
    and Example  should not be  considered  a  representation  of past or future
    expenses,  and actual  expenses  may be  greater  or less than those  shown.
    Moreover,  while the Example  assumes a 5% annual return,  the Fund's actual
    performance  will vary and may  result in an annual  return  greater or less
    than 5%. For further information regarding the expenses of both the Fund and
    the Portfolio see "The Fund's  Financial  Highlights",  "Organization of the
    Fund and the Portfolio", "Management of the Fund and the Portfolio" and "How
    to Redeem Fund Shares".
\2/ If shares  have been  purchased  at net asset  value with no  initial  sales
    charge by virtue of the purchase  having been in the amount of $1 million or
    more and are redeemed  within 18 months after the end of the calendar  month
    in which the purchase was made,  a  contingent  deferred  sales charge of 1%
    will be imposed on such  redemption.  See "How to Buy Fund Shares",  "How to
    Redeem Fund Shares" and "Eaton Vance Shareholder Services".
\3/ As of the close of  business  on August 1, 1994,  the Fund  transferred  its
    assets to the Portfolio in exchange for an interest in the Portfolio.  Prior
    to such date,  the Fund retained  Eaton Vance  Management as its  investment
    adviser.
\4/ Other investment companies with different distribution arrangements and fees
    are investing in the Portfolio and  additional  such  companies may do so in
    the future. See "Organization of the Fund and the Portfolio".



<PAGE>
THE FUND'S FINANCIAL HIGHLIGHTS
-------------------------------------------------------------------------------

The following information should be read in conjunction with the audited
financial statements included in the Statement of Additional Information, all
of which has been so included in reliance upon the report of Coopers & Lybrand
L.L.P., independent accountants, as experts in accounting and auditing, which
report is contained in the Statement of Additional Information. The financial
highlights for each of the seven years in the period ended December 31, 1991,
presented here, were audited by other auditors, whose report dated January 21,
1992, expressed an unqualified opinion on such financial highlights. Further
information regarding the performance of the Fund is contained in the Fund's
annual report to shareholders which may be obtained without charge by contacting
the Principal Underwriter.
------------------------------------------------------------------------------

<TABLE>
<CAPTION>

                                                                          YEAR ENDED DECEMBER 31,
                                        ----------------------------------------------------------------------------------------- 
                                           1994     1993     1992     1991<F1>1990<F1>  1989<F1>1988<F1> 1987<F1>  1986<F1> 1985<F1>
<S>                                     <C>       <C>       <C>      <C>      <C>      <C>     <C>      <C>       <C>      <C>
                                        ----------------------------------------------------------------------------------------- 
NET ASSET VALUE --
 Beginning of year .................... $12.490  $13.480    $14.030  $13.070  $14.710  $12.690 $12.240  $13.490   $14.680  $12.140
                                        -------  -------    -------  -------  -------  ------- -------  -------   -------  -------
  Income from investment operations:
  Net investment income ............... $ 0.250  $ 0.270<F2>$ 0.312  $ 0.449  $ 0.564  $ 0.525 $ 0.475  $ 0.456   $ 0.550  $ 0.550
  Net realized and unrealized gain
   (loss) on investments ..............  (0.765)   0.270<F2>  0.658    2.191   (0.504)   3.035   1.325   (0.166)    1.480    3.080
                                        -------  -------    -------  -------  -------  ------- -------  -------   -------  -------
    Total income (loss) from 
     investment operations ............ $(0.515) $ 0.540    $ 0.970  $ 2.640  $ 0.060  $ 3.560 $ 1.800  $ 0.290   $ 2.030  $ 3.630
                                        =======  =======    =======  =======  =======  ======= =======  =======   =======  =======

LESS DISTRIBUTIONS:
  From net investment income .......... $(0.250) $(0.270)   $(0.320) $(0.460) $(0.630) $(0.500)$(0.450) $(0.490)  $(0.580) $(0.590)
  From net realized gains on
   investments.........................  (0.765)  (1.260)    (1.200)  (1.220)  (1.070)  (1.040) (0.900)  (1.050)   (2.640)  (0.500)
  In excess of net realized gains .....  (0.060)    --         --      --        --       --       --      --        --       --
    Total distributions ............... $(1.075) $(1.530)   $(1.520) $(1.680) $(1.700) $(1.540) $(1.350) $(1.540  $(3.220) $(1.090)
                                        -------  -------    -------  -------  -------  ------- -------  -------   -------  -------
NET ASSET VALUE -- End of year ........ $10.900  $12.490    $13.480  $14.030  $13.070  $14.710  $12.690  $12.240  $13.490  $14.680
                                        =======  =======    =======  =======  =======  =======  =======  =======  =======  =======
TOTAL RETURNZ<F3>......................   (4.12%)   4.19%      6.93%   21.45%    0.59%   28.92%  15.01%     1.99%   15.43%   32.26%
RATIOS/SUPPLEMENTAL DATA: 
  Net assets, end of year
   (000's omitted)..................... $84,299  $97,513    $91,299  $91,844  $80,642  $89,809  $76,761  $74,219  $79,564  $79,303
  Ratio of expenses to average
   daily net assets ...................    0.98%<F4>0.96%      0.92%    0.94%    0.99%    0.90%    0.96%    0.95%    0.86%    0.86%
  Ratio of net investment income to
   average daily net assets ...........    2.09%    2.01%      2.29%    3.23%    4.02%    3.66%    3.64%    3.17%    3.83%    4.18%

PORTFOLIO TURNOVER<F5>.................      66%     105%        59%      42%      42%      14%      29%      26%      42%      70%

<FN>
<F1>Audited by previous auditors.
<F2>Computed on an average share basis.
<F3>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 to be reinvested at the net asset value
    on the record date.
<F4>Includes the Fund's share of Stock Portfolio's allocated expenses for the period from August 1, 1994, to December 31, 1994.
<F5>Portfolio turnover represents the rate of portfolio activity for the period while the Fund was making investments  directly in
    securities.  The  portfolio  turnover for the period since the Fund  transferred  its assets to the  Portfolio is shown in the
    Portfolio's financial statements which are included in the Fund's annual report.
</FN>
</TABLE>




THE FUND'S INVESTMENT OBJECTIVE
------------------------------------------------------------------------------

EV  TRADITIONAL  STOCK  FUND'S  INVESTMENT  OBJECTIVE  IS TO  PROVIDE  GROWTH OF
PRINCIPAL AND INCOME FOR ITS SHAREHOLDERS.  The Fund currently seeks to meet its
investment objective by investing its assets in the Stock Portfolio,  a separate
registered  investment  company that  invests in a number of carefully  selected
securities.  The emphasis is upon common stocks.  The Fund's and the Portfolio's
investment objectives are nonfundamental and may be changed when authorized by a
vote  of the  Tustees  of the  Trust  or the  Portfolio,  respectively,  without
obtaining  the  approval  of the Fund's  shareholders  or the  investors  in the
Portfolio,  as the  case may be.  The  Trustees  of the  Trust  have no  present
intention  to change the  Fund's  objective  and  intend to submit any  proposed
material change in the investment objective to shareholders in advance for their
approval.

HOW THE FUND AND THE PORTFOLIO INVEST THEIR ASSETS; RISKS
------------------------------------------------------------------------------

THE  FUND  SEEKS  TO  ACHIEVE  ITS  INVESTMENT  OBJECTIVE  BY  INVESTING  IN THE
PORTFOLIO. TO ACHIEVE THE PORTFOLIO'S OBJECTIVE, PRIMARY EMPHASIS WILL BE PLACED
ON COMMON STOCKS OF COMPANIES WHICH APPEAR TO OFFER GOOD PROSPECTS FOR INCREASES
IN BOTH EARNINGS AND DIVIDENDS.  The Portfolio will invest  primarily  (i.e., at
least 65% of its total assets during  normal  investment  conditions)  in equity
securities (common and preferred stocks, and securities  convertible into common
stocks).  The  Portfolio's  investments in convertible  debt  securities will be
limited to 20% of net assets.  The criteria for such investments are the same as
those used for the common  stock of the  issuer and  accordingly,  may be of any
credit quality  (including  below  investment  grade).  The Portfolio  purchases
securities  primarily  for  investment,  rather  than  with a view to  realizing
trading profits.  Nevertheless,  portfolio changes are made whenever  considered
advisable in the pursuit of the Portfolio's stated investment objective.

    In seeking to achieve its investment  objective,  or to  consolidate  growth
previously  attained,  the  Portfolio  may  from  time to time  purchase  bonds,
preferred stocks, U.S. Government  obligations and other securities.  Bonds will
constitute 5% or less of net assets and be investment grade (rated Baa or higher
by Moody's Investors Service, Inc. or BBB or higher by Standard & Poor's Ratings
Group or, if unrated,  determined to be of comparable quality by the Portfolio's
Investment  Adviser).  Convertible debt securities that are not investment grade
have  speculative  characteristics  and changes in economic  conditions or other
circumstances  are more likely to lead to a weakened  capacity to make principal
and interest payments than is the case with higher grade debt securities.

    The  Portfolio  may  invest  in  securities   issued  by  foreign  companies
(including American Depository  Receipts and Global Depository  Receipts).  Such
investments may be subject to various risks such as fluctuations in currency and
exchange rates, foreign taxes, social,  political and economic conditions in the
countries in which such companies operate, and changes in governmental, economic
or monetary policies both here and abroad.  There may be less publicly available
information  about a foreign company than about a comparable  domestic  company.
Because the securities markets in many foreign countries are not as developed as
those in the United States,  the  securities of many foreign  companies are less
liquid and their prices are more volatile than securities of comparable domestic
companies.  In order to hedge against  possible  variations in foreign  exchange
rates pending the settlement of foreign securities  transactions,  the Portfolio
may buy or sell foreign currencies.

    An investment in the Fund entails the risk that the principal  value of Fund
shares and the income  earned  thereon  may not  increase  or may  decline.  The
Portfolio's  investments in equity securities are subject to the risk of adverse
developments  affecting  particular companies or industries and the stock market
generally.  Investments  in bonds are  subject  to the risk that the  issuer may
default on its  obligations  to pay principal  and interest.  The value of bonds
tends to increase during periods of falling interest rates and to decline during
periods of rising  interest  rates.  By investing in a diversified  portfolio of
securities,  the Portfolio seeks both to reduce the risks ordinarily inherent in
holding  one  security  or  securities  of a single  issuer and to  improve  the
prospects for possible growth by investing in a substantial  number of prudently
selected securities.  Attainment of the Portfolio's objective cannot, of course,
be assured since its asset value  fluctuates with changes in the market value of
its investments and dividends paid depend upon income received by the Portfolio.

    The Fund and the  Portfolio  have  adopted  certain  fundamental  investment
restrictions  which are  enumerated  in detail in the  Statement  of  Additional
Information and which may not be changed unless authorized by a shareholder vote
or an investor vote,  respectively.  Except for such enumerated restrictions and
as otherwise indicated in this prospectus, the investment objective and policies
of the Fund and the Portfolio are not  fundamental  policies and accordingly may
be changed by the Trustees of the Trust and the Portfolio  without obtaining the
approval of the Fund's  shareholders  or the investors in the Portfolio,  as the
case may be. If any changes were made in the Fund's  investment  objective,  the
Fund might have an investment  objective  different from the objective  which an
investor considered appropriate at the time the investor became a shareholder of
the Fund.


  THE  FUND  IS  NOT  INTENDED  TO  BE  A  COMPLETE  INVESTMENT  PROGRAM,  AND
  PROSPECTIVE  INVESTORS  SHOULD TAKE INTO ACCOUNT THEIR  OBJECTIVES AND OTHER
  INVESTMENTS  WHEN  CONSIDERING THE PURCHASE OF FUND SHARES.  THE FUND CANNOT
  ELIMINATE RISK OR ASSURE ACHIEVEMENT OF ITS OBJECTIVE.

    
ORGANIZATION OF THE FUND AND THE PORTFOLIO
------------------------------------------------------------------------------

   
THE FUND IS A DIVERSIFIED  SERIES OF EATON VANCE  SECURITIES  TRUST,  A BUSINESS
TRUST  ESTABLISHED  UNDER  MASSACHUSETTS  LAW PURSUANT TO A DECLARATION OF TRUST
DATED  OCTOBER 19, 1990,  AS AMENDED,  AND IS THE  SUCCESSOR TO A  MASSACHUSETTS
TRUST WHICH COMMENCED ITS INVESTMENT  COMPANY OPERATIONS IN 1931. THE TRUST IS A
MUTUAL FUND -- AN OPEN-END MANAGEMENT  INVESTMENT  COMPANY.  The Trustees of the
Trust are responsible for the overall management and supervision of its affairs.
The Trust may issue an unlimited number of shares of beneficial interest (no par
value per share) in one or more series and because the Trust can offer  separate
series  (such  as the  Fund)  it is  known as a  "series  company."  Each  share
represents an equal  proportionate  beneficial interest in the Fund. When issued
and  outstanding,  the shares are fully paid and  nonassessable by the Trust and
redeemable  as described  under "How to Redeem Fund  Shares".  Shareholders  are
entitled  to one vote for each full share held.  Fractional  shares may be voted
proportionately.  Shares have no preemptive or conversion  rights and are freely
transferable.  In the event of the  liquidation  of the Fund,  shareholders  are
entitled  to  share  pro  rata in the  net  assets  of the  Fund  available  for
distribution to shareholders.

    THE  PORTFOLIO  IS  ORGANIZED  AS A TRUST UNDER THE LAWS OF THE STATE OF NEW
YORK AND INTENDS TO BE TREATED AS A PARTNERSHIP  FOR FEDERAL TAX  PURPOSES.  The
Portfolio,  as well as the Trust,  intends to comply with all applicable Federal
and state  securities  laws. The Portfolio's  Declaration of Trust provides that
the Fund and other entities  permitted to invest in the Portfolio  (e.g.,  other
U.S. and foreign  investment  companies,  and common and commingled trust funds)
will each be liable for all obligations of the Portfolio.  However,  the risk of
the Fund  incurring  financial  loss on account of such  liability is limited to
circumstances in which both inadequate insurance exists and the Portfolio itself
is  unable  to meet its  obligations.  Accordingly,  the  Trustees  of the Trust
believe that neither the Fund nor its shareholders will be adversely affected by
reason of the Fund investing in the Portfolio.


SPECIAL INFORMATION ON THE FUND/PORTFOLIO  INVESTMENT STRUCTURE.  An investor in
the Fund  should be aware that the Fund,  unlike  mutual  funds  which  directly
acquire and manage  their own  portfolios  of  securities,  seeks to achieve its
investment  objective  by investing  its assets in an interest in the  Portfolio
(although the Fund may temporarily hold a de minimus amount of cash), which is a
separate investment company with an identical investment  objective.  Therefore,
the Fund's  interest in the  securities  owned by the Portfolio is indirect.  In
addition to selling an interest to the Fund, the Portfolio may sell interests to
other affiliated and  non-affiliated  mutual funds or  institutional  investors.
Such investors will invest in the Portfolio on the same terms and conditions and
will pay a proportionate share of the Portfolio's  expenses.  However, the other
investors  investing in the  Portfolio  are not required to sell their shares at
the  same  public  offering  price  as the  Fund  due  to  variations  in  sales
commissions  and other  operating  expenses.  Therefore,  investors  in the Fund
should be aware that these  differences  may  result in  differences  in returns
experienced by investors in the various funds that invest in the Portfolio. Such
differences  in  returns  are also  present  in other  mutual  fund  structures,
including funds that have multiple classes of shares. For information  regarding
the investment objective, policies and restrictions,  see "The Fund's Investment
Objective"  and "How the Fund and the  Portfolio  Invest their  Assets;  Risks".
Further information regarding investment practices may be found in the Statement
of Additional Information.

    The Trustees of the Trust have  considered the advantages and  disadvantages
of investing the assets of the Fund in the Portfolio,  as well as the advantages
and  disadvantages  of the  two-tier  format.  The  Trustees  believe  that  the
structure  offers  opportunities  for  substantial  growth in the  assets of the
Portfolio,  and affords the potential  for economies of scale for the Fund.  The
public shareholders of the Fund have previously approved the policy of investing
the Fund's assets in an interest in the Portfolio.

    The Fund may withdraw  (completely redeem) all its assets from the Portfolio
at any time if the Board of Trustees of the Trust  determines  that it is in the
best  interest  of  the  Fund  to  do  so.  The  investment  objective  and  the
nonfundamental  investment policies of the Fund and the Portfolio may be changed
by the Trustees of the Trust and the Portfolio without obtaining the approval of
the shareholders of the Fund or the investors in the Portfolio,  as the case may
be. Any such change of the investment objective will be preceded by thirty days'
advance  written notice to the  shareholders of the Fund or the investors in the
Portfolio, as the case may be. In the event the Fund withdraws all of its assets
from the Portfolio,  or the Board of Trustees of the Trust  determines  that the
investment  objective  of  the  Portfolio  is  no  longer  consistent  with  the
investment objective of the Fund, such Trustees would consider what action might
be  taken,  including  investing  the  assets  of the  Fund  in  another  pooled
investment entity or retaining an investment adviser to manage the Fund's assets
in accordance with its investment objective.  The Fund's investment  performance
may be affected by a withdrawal of all its assets from the Portfolio.

    Information regarding other pooled investment entities or funds which invest
in the Portfolio may be obtained by contacting  Eaton Vance  Distributors,  Inc.
(the "Principal  Underwriter" or "EVD"),  24 Federal Street,  Boston,  MA 02110,
(617) 482-8260.  Smaller investors in the Portfolio may be adversely affected by
the  actions of larger  investors  in the  Portfolio.  For  example,  if a large
investor  withdraws from the Portfolio,  the remaining  investors may experience
higher  pro  rata  operating   expenses,   thereby   producing   lower  returns.
Additionally,  the  Portfolio  may become less  diverse,  resulting in increased
portfolio  risk, and experience  decreasing  economies of scale.  However,  this
possibility exists as well for historically structured funds which have large or
institutional investors.
    

    Until  recently,  the  Administrator   sponsored  and  advised  historically
structured funds. Funds which invest all their assets in interests in a separate
investment  company are a relatively new development in the mutual fund industry
and,  therefore,  the  Fund  may  be  subject  to  additional  regulations  than
historically structured funds.

    The  Declaration of Trust of the Portfolio  provides that the Portfolio will
terminate  120 days  after  the  complete  withdrawal  of the Fund or any  other
investor in the Portfolio,  unless either the remaining investors,  by unanimous
vote at a meeting  of such  investors,  or a  majority  of the  Trustees  of the
Portfolio,  by  written  instrument  consented  to by all  investors,  agree  to
continue the  business of the  Portfolio.  This  provision  is  consistent  with
treatment of the Portfolio as a partnership for Federal income tax purposes. See
"Distributions  and  Taxes" for  further  information.  Whenever  the Fund as an
investor in the  Portfolio  is requested  to vote on matters  pertaining  to the
Portfolio (other than the termination of the Portfolio's business,  which may be
determined by the Trustees of the Portfolio without investor approval), the Fund
will hold a meeting  of Fund  shareholders  and will  vote its  interest  in the
Portfolio for or against such matters  proportionately  to the  instructions  to
vote for or against such matters received from Fund shareholders. The Fund shall
vote shares for which it receives no voting  instructions in the same proportion
as the shares for which it receives voting instructions.  Other investors in the
Portfolio may alone or collectively  acquire  sufficient voting interests in the
Portfolio to control matters  relating to the operation of the Portfolio,  which
may require the Fund to withdraw its  investment  in the Portfolio or take other
appropriate action. Any such withdrawal could result in a distribution "in kind"
of portfolio  securities (as opposed to a cash distribution from the Portfolio).
If securities  are  distributed,  the Fund could incur  brokerage,  tax or other
charges in converting the securities to cash. In addition,  the  distribution in
kind may result in a less  diversified  portfolio  of  investments  or adversely
affect the  liquidity of the Fund.  Notwithstanding  the above,  there are other
means for meeting shareholder redemption requests, such as borrowing.

   
    The  Trustees  of the  Trust,  including  a  majority  of the  noninterested
Trustees,  have approved written procedures designed to identify and address any
potential  conflicts of interest  arising from the fact that the Trustees of the
Trust and the Trustees of the Portfolio are the same.  Such  procedures  require
each Board to take actions to resolve any conflict of interest  between the Fund
and the Portfolio,  and it is possible that the creation of separate  Boards may
be considered.  For further information  concerning the Trustees and officers of
the Trust and the Portfolio, see the Statement of Additional Information.

MANAGEMENT OF THE FUND AND THE PORTFOLIO
------------------------------------------------------------------------------
    

THE PORTFOLIO  ENGAGES BOSTON  MANAGEMENT AND RESEARCH  ("BMR"),  A WHOLLY-OWNED
SUBSIDIARY OF EATON VANCE MANAGEMENT ("EATON VANCE"), AS ITS INVESTMENT ADVISER.
EATON VANCE,  ITS  AFFILIATES AND ITS  PREDECESSOR  COMPANIES HAVE BEEN MANAGING
ASSETS OF  INDIVIDUALS  AND  INSTITUTIONS  SINCE  1924 AND  MANAGING  INVESTMENT
COMPANIES SINCE 1931.

   
    Acting  under  the  general  supervision  of the  Board of  Trustees  of the
Portfolio,  BMR manages  the  Portfolio's  investments  and  affairs.  Under its
investment  advisory  agreement  with the  Portfolio,  BMR  receives  a  monthly
advisory fee of 5/96 of 1% (equivalent to 0.625%  annually) of the average daily
net assets of the Portfolio.  For the period from the start of business,  August
1, 1994, to December 31, 1994, the Portfolio  paid BMR advisory fees  equivalent
to 0.625%  (annualized)  of the  Portfolio's  average  daily net assets for such
period.  Prior to the  close of  business  on  August  1,  1994  (when  the Fund
transferred  its assets to the  Portfolio  in  exchange  for an  interest in the
Portfolio),  the Fund retained  Eaton Vance as its investment  adviser.  For the
period  from  January 1,  1994,  to August 1,  1994,  the Fund paid Eaton  Vance
advisory fees equivalent to 0.625%  (annualized) of the Fund's average daily net
assets for such period.

    BMR  also  furnishes  for  the use of the  Portfolio  office  space  and all
necessary  office   facilities,   equipment  and  personnel  for  servicing  the
investments  of the Portfolio.  The Portfolio is responsible  for the payment of
all of its expenses other than those expressly stated to be payable by BMR under
the investment advisory agreement.
    

    BMR places the portfolio  transactions  of the Portfolio for execution  with
many  broker-dealer  firms and uses its best efforts to obtain execution of such
transactions at prices which are advantageous to the Portfolio and at reasonably
competitive  commission rates. Subject to the foregoing,  BMR may consider sales
of shares of the Fund or of other investment companies sponsored by BMR or Eaton
Vance as a factor in the selection of broker-dealer  firms to execute  portfolio
transactions.

   
    Duncan W.  Richardson  has acted as the  portfolio  manager of the Portfolio
since it commenced operations. He has been a Vice President of Eaton Vance since
1987 and of BMR since 1992.


    BMR OR EATON VANCE ACTS AS INVESTMENT  ADVISER TO  INVESTMENT  COMPANIES AND
VARIOUS  INDIVIDUAL AND  INSTITUTIONAL  CLIENTS WITH ASSETS UNDER  MANAGEMENT OF
APPROXIMATELY  $15 BILLION.  Eaton Vance is a  wholly-owned  subsidiary of Eaton
Vance Corp.,  a publicly held holding  company.  Eaton Vance Corp.,  through its
subsidiaries  and  affiliates,  engages in investment  management  and marketing
activities,  fiduciary and banking services, oil and gas operations, real estate
investment,  consulting  and  management,  and  development  of precious  metals
properties.

    The Trust has retained  the services of Eaton Vance to act as  Administrator
of the Fund.  The Trust has not retained the services of an  investment  adviser
since  the  Trust  seeks to  achieve  the  investment  objective  of the Fund by
investing  the Fund's assets in the  Portfolio.  As  Administrator,  Eaton Vance
provides the Fund with general  office  facilities  and  supervises  the overall
administration of the Fund. For these services Eaton Vance currently receives no
compensation.  The  Trustees  of the  Trust may  determine,  in the  future,  to
compensate Eaton Vance for such services.

    The Portfolio and the Fund, as the case may be, will each be responsible for
all of its respective  costs and expenses not expressly  stated to be payable by
BMR  under  the  investment  advisory  agreement,   by  Eaton  Vance  under  the
administrative  services agreement,  or by EVD under the distribution agreement.
Such costs and expenses to be borne by the  Portfolio  and the Fund, as the case
may be,  include,  without  limitation:  custody  and  transfer  agency fees and
expenses,  including  those incurred for determining net asset value and keeping
accounting books and records;  expenses of pricing and valuation  services;  the
cost of share certficates;  membership dues in investment company organizations;
expenses  of  acquiring,   holding  and   disposing  of  securities   and  other
investments;  fees and expenses of registering under the securities laws and the
governmental  fees;  expenses of reporting to shareholders and investors;  proxy
statements and other expenses of shareholders' or investors' meetings; insurance
premiums;  printing and mailing  expenses;  interest,  taxes and corporate fees;
legal and  accounting  expenses;  compensation  and  expenses  of  Trustees  not
affiliated with BMR or Eaton Vance;  and investment  advisory fees, and, if any,
administrative  services  fees.  The  Portfolio and the Fund will also each bear
expenses  incurred in connection  with  litigation in which the Portfolio or the
Fund,  as the case may be, is a party and any legal  obligation to indemnify its
respective officers and Trustees with respect thereto.

SERVICE PLAN
------------------------------------------------------------------------------

In addition to advisory  fees and other  expenses,  the Fund pays  service  fees
pursuant to a Service Plan (the  "Plan")  designed to meet the  requirements  of
Rule  12b-1  under  the  Investment  Company  Act of 1940  and the  service  fee
requirements  of the revised  sales charge rule of the National  Association  of
Securities  Dealers,  Inc.  The Plan is  described  further in the  Statement of
Additional Information,  and the following is a brief description of the salient
features of the Plan.

    THE 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 .25% OF THE FUND'S AVERAGE DAILY NET ASSETS FOR ANY FISCAL
YEAR. The Trustees of the Trust have  implemented  the Plan by  authorizing  the
Fund to make  quarterly  service fee payments to the Principal  Underwriter  and
Authorized  Firms in amounts not  expected to exceed .25% of that portion of the
Fund's  average  daily net assets for any fiscal year which is  attributable  to
shares of the Fund sold on or after  January 2, 1991 and  remaining  outstanding
for at least twelve months.  During the fiscal year ended December 31, 1994, the
Fund made  payments  under the Plan  equivalent  to .049% of the Fund's  average
daily net assets for such year.

VALUING FUND SHARES
------------------------------------------------------------------------------

THE FUND  VALUES ITS SHARES  ONCE ON EACH DAY THE NEW YORK STOCK  EXCHANGE  (THE
"EXCHANGE")  IS OPEN FOR  TRADING,  as of the close of  regular  trading  on the
Exchange  (normally  4:00 p.m.  New York  time).  The Fund's net asset value per
share is determined by its custodian,  Investors  Bank & Trust Company  ("IBT"),
(as agent for the Fund) in the manner  authorized  by the Trustees of the Trust.
Net asset value is computed by dividing  the value of the Fund's  total  assets,
less its  liabilities,  by the number of shares  outstanding.  Because  the Fund
invests its assets in an interest in the  Portfolio,  the Fund's net asset value
will  reflect  the  value of its  interest  in the  Portfolio  (which,  in turn,
reflects the underlying value of the Portfolio's assets and liabilities).

    Authorized  Firms must  communicate  an  investor's  order to the  Principal
Underwriter  prior to the close of the Principal  Underwriter's  business day to
receive that day's net asset value per Fund share and the public  offering price
based thereon.  It is the Authorized  Firms'  responsibility  to transmit orders
promptly to the Principal  Underwriter,  which is a  wholly-owned  subsidiary of
Eaton Vance.

    The  Portfolio's  net  asset  value is also  determined  as of the  close of
regular trading on the Exchange.  IBT (as custodian and agent for the Portfolio)
determines  the  Portfolio's  net asset  value in the manner  authorized  by the
Trustees  of the  Portfolio.  Net asset value is  computed  by  subtracting  the
liabilities  of the  Portfolio  from the value of its total  assets.  Securities
listed on securities  exchanges or in the NASDAQ  National  Market are valued at
closing sale prices. Unlisted or listed securities for which closing sale prices
are not  available  are  valued at the mean  between  the  latest  bid and asked
prices.  Securities for which market  quotations are unavailable,  including any
security the  disposition  of which is restricted  under the  Securities  Act of
1933,  and other assets will be appraised at their fair value as  determined  in
good faith by or at the direction of the Trustees of the  Portfolio.  Short-term
obligations  maturing in sixty days or less are valued at  original  cost which,
when combined with amortized discount or accrued interest,  approximates market.
For further information regarding the valuation of an interest in the Portfolio,
see   "Determination  of  Net  Asset  Value"  in  the  Statement  of  Additional
Information.  Eaton Vance Corp. owns 77.3% of the outstanding  stock of IBT, the
Fund's and the Portfolio's custodian.

  SHAREHOLDERS  MAY DETERMINE THE VALUE OF THEIR INVESTMENT BY MULTIPLYING THE
  NUMBER OF FUND SHARES OWNED BY THE CURRENT NET ASSET VALUE PER SHARE.


HOW TO BUY FUND SHARES
------------------------------------------------------------------------------

SHARES OF THE FUND MAY BE PURCHASED  FOR CASH OR MAY BE ACQUIRED IN EXCHANGE FOR
SECURITIES.  Investors may purchase shares of the Fund through  Authorized Firms
at the effective  public offering  price,  which price is based on the effective
net asset value per share plus the  applicable  sales charge.  The Fund receives
the net asset value,  while the sales charge is divided  between the  Authorized
Firms and the Principal Underwriter.  The Principal Underwriter will furnish the
names of Authorized Firms to an investor upon request.  The Fund may suspend the
offering  of shares at any time and may  refuse  an order  for the  purchase  of
shares.

    The sales  charge may vary  depending  on the size of the  purchase  and the
number  of  shares of Eaton  Vance  funds the  investor  may  already  own,  any
arrangement to purchase  additional  shares during a 13-month  period or special
purchase  programs.  Complete  details of how investors  may purchase  shares at
reduced sales charges under a Statement of Intention, Right of Accumulation,  or
various  employee  benefit  plans are  available  from  Authorized  Firms or the
Principal Underwriter.
    

    The current sales charges are:

                              SALES CHARGE      SALES CHARGE    DEALER DISCOUNT
                            AS PERCENTAGE OF  AS PERCENTAGE OF  AS PERCENTAGE OF
                            AMOUNT INVESTED    OFFERING PRICE    OFFERING PRICE
AMOUNT OF PURCHASE
Less than $100,000 .........     3.90                3.75            3.15
$250,000 but less 
  than $500,000.............     2.83                2.75            2.30
$500,000 but less 
  than $1,000,000 ..........     2.04                2.00            1.70
$1,000,000 or more .........        0*                  0*              0**


 * No sales  charge is  payable at the time of  purchase  on  investments  of $1
   million or more. A contingent  deferred  sales charge  ("CDSC") of 1% will be
   imposed on such  investments,  as  described  below,  in the event of certain
   redemption transactions within 18 months of purchase.
   
** The  Principal  Underwriter  may pay a  commission  to  Authorized  Firms who
   initiate and are  responsible for purchases of $1 million or more as follows:
   1.00% on sales up to $2 million, plus 0.80% on the next $1 million,  0.20% on
   the next $2 million, and 0.08% on the excess over $5 million.

    The Principal  Underwriter may at times allow discounts up to the full sales
charge.  During periods when the discount  includes the full sales charge,  such
Firms may be deemed to be underwriters as that term is defined in the Securities
Act of 1933.

    The  Principal  Underwriter  may,  from  time to time,  at its own  expense,
provide  additional  incentives  to  Authorized  Firms which  employ  registered
representatives  who sell a minimum  dollar  amount of the Fund's  shares and/or
shares  of  other  funds  distributed  by the  Principal  Underwriter.  In  some
instances,  such additional incentives may be offered only to certain Authorized
Firms whose representatives are expected to sell significant amounts of shares.

    An initial  investment in the Fund must be at least $1,000.  Once an account
has been  established  the investor may send  investments  of $50 or more at any
time directly to the Fund's  Transfer Agent (the  "Transfer  Agent") as follows:
The Shareholder  Services Group, Inc., BOS725,  P.O. Box 1559, Boston, MA 02104.
The $1,000 minimum  initial  investment is waived for Bank  Automated  Investing
accounts, which may be established with an investment of $50 or more. See "Eaton
Vance Shareholder Services".

    Shares of the Fund may be sold at net asset  value to  current  and  retired
Directors  and  Trustees of Eaton  Vance  funds,  including  the  Portfolio;  to
officers  and  employees  and  clients  of Eaton  Vance and its  affiliates;  to
registered  representatives and employees of Authorized Firms and bank employees
who refer customers to registered  representatives  of Authorized  Firms; and to
such  persons'  spouses and  children  under the age of 21 and their  beneficial
accounts.  Shares may also be issued at net asset value (1) in  connection  with
the merger of an investment  company with the Fund,  (2) to investors  making an
investment as part of a fixed fee program  whereby an entity  unaffiliated  with
the  Investment  Adviser  provides  multiple   investment   services,   such  as
management,  brokerage and custody and (3) where the amount invested  represents
redemption  proceeds from a mutual fund  unaffiliated  with Eaton Vance,  if the
redemption  occurred no more than 60 days' prior to the  purchase of Fund shares
and the redeemed shares were subject to a sales charge.

    No initial  sales  charge and no  contingent  deferred  sales charge will be
payable or imposed  with respect to shares of the Fund  purchased by  retirement
plans qualified under Section 401, 403(b) or 457 of the Internal Revenue Code of
1986, as amended (the "Code")  ("Eligible  Plans").  In order to purchase shares
without a sales  charge,  the plan  sponsor of an Eligible  Plan must notify the
Transfer  Agent of the  Fund of its  status  as an  Eligible  Plan.  Participant
accounting  services  (including  trust fund  reconciliation  services)  will be
offered  only  through  third  party  recordkeepers  and not by EVD.  The Fund's
Principal  Underwriter may pay commissions to Authorized  Firms who initiate and
are  responsible  for purchases of shares of the Fund by Eligible Plans of up to
1.00% of the amount invested in such shares.

ACQUIRING  FUND SHARES IN EXCHANGE FOR  SECURITIES.  IBT, as escrow agent,  will
receive securities acceptable to Eaton Vance, as Administrator,  in exchange for
Fund shares at the applicable  public offering price as shown above. The minimum
value of securities  (or  securities  and cash)  accepted for deposit is $5,000.
Securities  accepted will be sold by IBT as agent for the account of their owner
on the day of their receipt by IBT or as soon thereafter as possible. The number
of Fund shares to be issued in exchange  for  securities  will be the  aggregate
proceeds  from the sale of such  securities,  divided by the  applicable  public
offering price per Fund share on the day such proceeds are received. Eaton Vance
will use  reasonable  efforts to obtain the then  current  market price for such
securities  but does not guarantee the best  available  price.  Eaton Vance will
absorb  any  transaction  costs,  such  as  commissions,  on  the  sale  of  the
securities.

    
    Securities  determined to be acceptable should be transferred via book entry
or  physically  delivered,  in proper form for  transfer,  through an Authorized
Firm,  together with a completed and signed  Letter of  Transmittal  in approved
form (available from Authorized Firms), as follows:

    IN THE CASE OF BOOK ENTRY:

        Deliver through Depository Trust Co.
        Broker #2212
        Investors Bank & Trust Company
        For A/C EV Traditional Stock Fund

    IN THE CASE OF PHYSICAL DELIVERY:

        Investors Bank & Trust Company
        Attention: EV Traditional Stock Fund
        Physical Securities Processing Settlement Area
        89 South Street
        Boston, MA 02111

   
    Investors who are  contemplating an exchange of securities for shares of the
Fund, or their representatives,  are advised to contact Eaton Vance to determine
whether the securities are acceptable  before forwarding such securities to IBT.
Eaton Vance reserves the right to reject any securities.  Exchanging  securities
for Fund shares may create a taxable gain or loss.  Each investor should consult
his or her tax adviser with respect to the particular  Federal,  state and local
tax consequences of exchanging securities for Fund shares.

  IF YOU DON'T HAVE AN AUTHORIZED FIRM, EATON VANCE CAN RECOMMEND ONE.




HOW TO REDEEM FUND SHARES
------------------------------------------------------------------------------

A SHAREHOLDER MAY REDEEM FUND SHARES BY DELIVERING TO THE  SHAREHOLDER  SERVICES
GROUP, INC.,  BOS725,  P.O. BOX 1559, BOSTON,  MASSACHUSETTS  02104,  during its
business hours a written  request for  redemption in good order,  plus any share
certificates  with executed stock powers.  The redemption price will be based on
the net asset value per Fund share next computed after such delivery. Good order
means that all  relevant  documents  must be  endorsed  by the record  owner (s)
exactly as the shares are registered and the signature(s)  must be guaranteed by
a member of either the Securities  Transfer  Association's  STAMP program or the
New York Stock Exchange's Medallion Signature Program, or certain banks, savings
and loan institutions,  credit unions, securities dealers, securities exchanges,
clearing  agencies  and  registered  securities  associations  as  required by a
regulation of the  Securities and Exchange  Commission  (the  "Commission")  and
acceptable to The Shareholder  Services Group, Inc. In addition,  in some cases,
good order may require the  furnishing  of  additional  documents  such as where
shares are registered in the name of a corporation, partnership or fiduciary.

    Within seven days after receipt of a redemption request in good order by The
Shareholder Services Group, Inc., the Fund will make payment in cash for the net
asset value of the shares as of the date determined above, reduced by the amount
of any Federal  income tax required to be withheld.  Although the Fund  normally
expects  to make  payment in cash for  redeemed  shares,  the Trust,  subject to
compliance  with  applicable  regulations,  has  reserved  the  right to pay the
redemption  price of shares of the  Fund,  either  totally  or  partially,  by a
distribution in kind of readily marketable securities withdrawn by the Fund from
the Portfolio.  The securities so  distributed  would be valued  pursuant to the
Portfolio's  valuation  procedures.  If a shareholder received a distribution in
kind, the  shareholder  could incur brokerage or other charges in converting the
securities to cash.

    To sell  shares at their net  asset  value  through  an  Authorized  Firm (a
repurchase),  a  shareholder  can place a repurchase  order with the  Authorized
Firm,  which may  charge a fee.  The value of such  shares is based upon the net
asset value calculated after EVD, as the Fund's agent, receives the order. It is
the Authorized Firm's  responsibility to transmit promptly  repurchase orders to
EVD.  Throughout this  Prospectus,  the word  "redemption" is generally meant to
include a repurchase.

    If  shares  were  recently  purchased,  the  proceeds  of a  redemption  (or
repurchase) will not be sent until the check (including a certified or cashier's
check)  received  for the  shares  purchased  has  cleared.  Payment  for shares
tendered for redemption may be delayed up to 15 days from the purchase date when
the purchase check has not yet cleared. Redemptions or repurchases may result in
a taxable gain or loss.

    Due to the high cost of maintaining  small  accounts,  the Fund reserves the
right to redeem  accounts  with  balances of less than  $1,000.  Prior to such a
redemption,  shareholders  will be  given  60 days'  written  notice  to make an
additional  purchase.  Thus, an investor making an initial  investment of $1,000
would  not be able to  redeem  shares  without  being  subject  to this  policy.
However,  no such  redemption  would be required by the Fund if the cause of the
low account balance was a reduction in the net asset value of Fund shares.

    If shares  have been  purchased  at net asset  value with no  initial  sales
charge by virtue of the purchase having been in the amount of $1 million or more
and are redeemed  within 18 months after the end of the calendar  month in which
the purchase was made, a CDSC of 1% will be imposed on such redemption. The CDSC
will be retained by the Principal Underwriter.

    The CDSC will be  imposed on an amount  equal to the  lesser of the  current
market value or the original purchase price of the shares redeemed. Accordingly,
no CDSC will be imposed on increases in account value above the initial purchase
price,  including any dividends or  distributions  that have been  reinvested in
additional shares. In determining  whether a CDSC is applicable to a redemption,
the  calculation  will be made in a manner that  results in the lowest  possible
rate being charged.  Accordingly,  it will be assumed that  redemptions are made
first from any shares in the  shareholder's  account  that are not  subject to a
CDSC.

    The CDSC is waived for redemptions involving certain liquidation,  merger or
acquisition  transactions involving other investment companies. If a shareholder
reinvests  redemption  proceeds  within the 30-day period and in accordance with
the conditions set forth under "Eaton Vance Shareholder Services -- Reinvestment
Privilege,"  the  shareholder's  account will be credited with the amount of any
CDSC paid on such redeemed shares.

REPORTS TO SHAREHOLDERS
------------------------------------------------------------------------------

THE  FUND  WILL  ISSUE  TO  ITS  SHAREHOLDERS  SEMI-ANNUAL  AND  ANNUAL  REPORTS
CONTAINING FINANCIAL STATEMENTS. Financial statements included in annual reports
are audited by the Fund's independent accountants. Shortly after the end of each
calendar year, the Fund will furnish all shareholders with information necessary
for preparing Federal and state tax returns.

THE LIFETIME INVESTING ACCOUNT/DISTRIBUTION OPTIONS
------------------------------------------------------------------------------

AFTER AN INVESTOR MAKES AN INITIAL PURCHASE OF FUND SHARES,  THE FUND'S TRANSFER
AGENT, THE SHAREHOLDER  SERVICES GROUP,  INC., WILL SET UP A LIFETIME  INVESTING
ACCOUNT  FOR THE  INVESTOR  ON THE FUND'S  RECORDS.  This  account is a complete
record of all transactions  between the investor and the Fund which at all times
shows the balance of shares  owned.  The Fund will not issue share  certificates
except upon request.

    Each  time  a  transaction  takes  place  in a  shareholder's  account,  the
shareholder will receive a statement showing complete details of the transaction
and the  current  balance  in the  account.  (Under  certain  investment  plans,
statements  may be sent only  quarterly).  THE LIFETIME  INVESTING  ACCOUNT ALSO
PERMITS A  SHAREHOLDER  TO MAKE  ADDITIONAL  INVESTMENTS  IN SHARES BY SENDING A
CHECK FOR $50 OR MORE to The Shareholder Services Group, Inc.

    Any questions  concerning a shareholder's  account or services available may
be directed by telephone to EATON VANCE  SHAREHOLDER  SERVICES at  800-225-6265,
extension 2 or in writing to The Shareholder  Services Group, Inc., BOS725, P.O.
Box  1559,  Boston,  Massachusetts  02104.  (Please  provide  the  name  of  the
shareholder, the Fund and the account number).

   THE  FOLLOWING  DISTRIBUTION  OPTIONS  WILL  BE  AVAILABLE  TO  ALL  LIFETIME
INVESTING  ACCOUNTS and may be changed as often as desired by written  notice to
the Fund's  dividend-disbursing  agent,  The Shareholder  Services Group,  Inc.,
BOS725,  P.O. Box 1559,  Boston,  MA 02104. The currently  effective option will
appear on each confirmation statement.

    Share Option -- Dividends and capital gains will be reinvested in additional
shares.

    Income Option -- Dividends  will be paid in cash;  and capital gains will be
reinvested in additional shares.

    Cash Option -- Dividends and capital gains will be paid in cash.

    The  Share  Option,  will be  assigned  if no  other  option  is  specified.
Distributions,  including those  reinvested,  will be reduced by any withholding
required under Federal income tax laws.

    If the Income  Option or Cash  Option  has been  selected,  dividend  and/or
capital gains distribution checks which are returned by the United States Postal
Service as not  deliverable or which remain uncashed for six months or more will
be  reinvested  in the account in shares at the then  current  net asset  value.
Furthermore,  the  distribution  option  on the  account  will be  automatically
changed  to the  Share  Option  until  such  time as the  shareholder  selects a
different option.

DISTRIBUTION  INVESTMENT  OPTION.  In addition to the  distribution  options set
forth above, dividends and/or capital gains may be invested in additional shares
of another Eaton Vance fund. Before selecting this option, a shareholder  should
obtain a prospectus  of the other Eaton Vance fund and  consider its  objectives
and policies carefully.

"STREET  NAME"  ACCOUNTS.  If  shares  of the Fund are held in a  "street  name"
account with an Authorized Firm, all recordkeeping,  transaction  processing and
payments of  distributions  relating to the beneficial  owner's  account will be
performed by the Authorized  Firm,  and not by the Fund and its Transfer  Agent.
Since the Fund will have no record of the  beneficial  owner's  transactions,  a
beneficial  owner should  contact the  Authorized  Firm to  purchase,  redeem or
exchange shares, to make changes in or give instructions concerning the account,
or to obtain information about the account.  The transfer of shares in a "street
name" account to an account with another  dealer or to an account  directly with
the Fund involves  special  procedures and will require the beneficial  owner to
obtain historical purchase  information about the shares in the account from the
Authorized Firm. Before  establishing a "street name" account with an investment
firm,  or  transferring  the  account to another  investment  firm,  an investor
wishing to reinvest  distributions  should determine whether the firm which will
hold the shares allows reinvestment of distributions in "street name" accounts.

  UNDER A  LIFETIME  INVESTING  ACCOUNT  A  SHAREHOLDER  CAN  MAKE  ADDITIONAL
  INVESTMENTS IN SHARES BY SENDING A CHECK FOR $50 OR MORE.
                                                          

THE EATON VANCE EXCHANGE PRIVILEGE
------------------------------------------------------------------------------

Shares of the Fund currently may be exchanged for shares of any of the following
funds:  Eaton Vance Cash  Management  Fund,  Eaton Vance  Income Fund of Boston,
Eaton Vance Municipal Bond Fund L.P., Eaton Vance Tax Free Reserves and any fund
in the Eaton  Vance  Traditional  Group of Funds on the basis of net asset value
per share of each fund at the time of the exchange,  provided that such exchange
offers are available  only in states where shares of the fund being acquired may
be legally sold.

    Each  exchange  must involve  shares which have a net asset value of $1,000.
The  exchange  privilege  may  be  changed  or  discontinued   without  penalty.
Shareholders  will be given sixty (60) days' notice prior to any  termination or
material  amendment  of the  exchange  privilege.  The Fund does not  permit the
exchange privilege to be used for "Market Timing" and may terminate the exchange
privilege for any  shareholder  account engaged in Market Timing  activity.  Any
shareholder account for which more than two round-trip exchanges are made within
any  twelve  month  period  will be  deemed  to be  engaged  in  Market  Timing.
Furthermore,  a group of  unrelated  accounts  for which  exchanges  are entered
contemporaneously  by a financial  intermediary will be considered to be engaged
in Market Timing.

    Shares of the Fund which are subject to a CDSC may be exchanged  into any of
the above funds without  incurring the CDSC. The shares  acquired in an exchange
may be subject to a CDSC upon  redemption.  For purposes of  computing  the CDSC
payable  upon the  redemption  of shares  acquired in an  exchange,  the holding
period of the  original  shares  is added to the  holding  period of the  shares
acquired in the exchange.

    The Shareholder  Services Group, Inc. makes exchanges at the next determined
net asset value after  receiving an exchange  request in good order (see "How to
Redeem  Fund  Shares").   Consult  The  Shareholder  Services  Group,  Inc.  for
additional  information  concerning  the exchange  privilege.  Applications  and
prospectuses  of the other  funds are  available  from  Authorized  Firms or the
Principal  Underwriter  The  prospectus  for each fund  describes its investment
objectives  and  policies,  and  shareholders  should  obtain a  prospectus  and
consider these objectives and policies carefully before requesting an exchange.

    Shares of certain  other  funds for which  Eaton  Vance  acts as  investment
adviser or  administrator  may be exchanged  for Fund shares on the basis of the
net asset value per share of each Fund at the time of the exchange (plus, in the
case of an exchange  made within six months of the date of  purchase,  an amount
equal to the difference, if any, between the sales charge previously paid on the
shares being  exchanged  and the sales  charge  payable on the Fund shares being
acquired).  Any such exchange is subject to any  restrictions or  qualifications
set forth in the current prospectus of any such fund.

    Telephone  exchanges are accepted by The Shareholder  Services Group,  Inc.,
provided  that  the  investor  has  not  disclaimed  in  writing  the use of the
privilege.  To effect such exchanges,  call The Shareholder Services Group, Inc.
at 800-262-1122 or, within Massachusetts,  617-573-9403,  Monday through Friday,
9:00 a.m. to 4:00 p.m.  (Eastern  Standard  Time).  Shares acquired by telephone
exchange must be registered in the same name(s) and with the same address as the
shares being  exchanged.  Neither the Fund,  the Principal  Underwriter  nor The
Shareholder  Services Group,  Inc. will be responsible  for the  authenticity of
exchange instructions received by telephone; provided that reasonable procedures
to confirm  that  instructions  communicated  are  genuine  have been  followed.
Telephone  instructions  will be tape recorded.  In times of drastic economic or
market changes, a telephone exchange may be difficult to implement.  An exchange
may result in a taxable gain or loss.
    

EATON VANCE SHAREHOLDER SERVICES
------------------------------------------------------------------------------

   
THE FUND OFFERS THE FOLLOWING  SERVICES,  WHICH ARE VOLUNTARY,  INVOLVE NO EXTRA
CHARGE,  AND MAY BE CHANGED OR  DISCONTINUED  WITHOUT  PENALTY AT ANY TIME. Full
information on each of the services  described below and an  application,  where
required, are available from Authorized Firms or the Principal Underwriter.  The
cost  of  administering  such  services  for the  benefit  of  shareholders  who
participate in them is borne by the Fund as an expense to all shareholders.

INVEST-BY-MAIL  -- FOR  PERIODIC  SHARE  ACCUMULATION:  Once the $1,000  minimum
investment has been made, checks of $50 or more payable to the order of the Fund
may be mailed directly to The Shareholder Services Group, Inc., BOS725, P.O. Box
1559,  Boston,  MA  02104  at any  time  --  whether  or not  distributions  are
reinvested. The name of the shareholder,  the Fund and the account number should
accompany each investment.

BANK AUTOMATED INVESTING -- FOR REGULAR SHARE ACCUMULATION:  Cash investments of
$50 or more may be made automatically each month or quarter from a shareholder's
bank account. The $1,000 minimum initial investment and small account redemption
policy are waived for these accounts.

STATEMENT  OF  INTENTION:  Purchases  of  $100,000  or more made over a 13-month
period are eligible for reduced sales  charges.  See "Statement of Intention and
Escrow Agreement."

RIGHT OF ACCUMULATION:  Purchases may qualify for reduced sales charges when the
current market value of holdings (shares at current  offering  price),  plus new
purchases,  reaches $100,000 or more.  Shares of the Eaton Vance funds mentioned
below  under "The Eaton Vance  Exchange  Privilege"  may be  combined  under the
Statement of Intention and Right of Accumulation.

WITHDRAWAL  PLAN: A shareholder may draw on  shareholdings  systematically  with
monthly  or  quarterly  checks in the amount  specified  by the  shareholder.  A
minimum deposit of $5,000 in shares is required.

REINVESTMENT PRIVILEGE: A SHAREHOLDER WHO HAS REPURCHASED OR REDEEMED SHARES MAY
REINVEST ANY PORTION OR ALL OF THE REPURCHASE OR REDEMPTION  PROCEEDS (PLUS THAT
AMOUNT  NECESSARY TO ACQUIRE A FRACTIONAL SHARE TO ROUND OFF THE PURCHASE TO THE
NEAREST  FULL  SHARE)  IN  SHARES  OF THE FUND,  or,  provided  that the  shares
repurchased or redeemed have been held for at least 30 days, in shares of any of
the other funds offered by the Principal Underwriter subject to an initial sales
charge, at net asset value, provided that the reinvestment is effected within 30
days after  such  repurchase  or  redemption.  Shares are sold to a  reinvesting
shareholder at the next determined net asset value following timely receipt of a
written purchase order by the Principal  Underwriter or by the fund whose shares
are to be purchased (or by such fund's  transfer  agent).  The privilege is also
available to holders of shares of the other funds offered  subject to an initial
sales charge by the Principal  Underwriter  who wish to reinvest such redemption
or  repurchase  proceeds  in  shares  of the Fund.  If a  shareholder  reinvests
redemption  proceeds within the 30-day period the shareholder's  account will be
credited with the amount of any CDSC paid on such redeemed shares. To the extent
that any shares of the Fund are sold at a loss and the proceeds  are  reinvested
in shares  of the Fund (or other  shares  of the Fund are  acquired  within  the
period  beginning  30 days  before  and  ending  30 days  after  the date of the
redemption)  some or all of the  loss  generally  will not be  allowed  as a tax
deduction. Special rules may apply to the computation of gain or loss and to the
deduction of loss on a repurchase or redemption followed by a reinvestment.  See
"Distributions  and  Taxes".  Shareholders  should  consult  their tax  advisers
concerning the tax consequences of reinvestments.

TAX-SHELTERED RETIREMENT PLANS: Shares of the Fund are available for purchase
in connection with the following tax-sheltered retirement plans:

    --Pension and Profit Sharing Plans for self-employed individuals,
      corporations and non-profit organizations;

    --Individual Retirement Account Plans for individuals and their non-
      employed spouses; and

    --403(b) Retirement Plans for employees of public school systems, hospitals,
      colleges and other non-profit  organizations  meeting certain requirements
      of the Code.

    
    Detailed information concerning these plans, including certain exceptions to
minimum investment requirements,  and copies of the plans are available from the
Principal   Underwriter.   This   information   should  be  read  carefully  and
consultation  with an attorney or tax adviser may be advisable.  The information
sets forth the  service  fee  charged for  retirement  plans and  describes  the
Federal  income  tax  consequences  of  establishing  a plan.  Under all  plans,
dividends  and  distributions  will be  automatically  reinvested  in additional
shares.
   

DISTRIBUTIONS AND TAXES
------------------------------------------------------------------------------

    It is the  present  policy of the Fund to pay at least  quarterly  dividends
from  net  investment  income  (when  available)  allocated  to the  Fund by the
Portfolio,  less the Fund's direct and allocated expenses,  and to distribute at
least  annually any realized net capital gains (the Fund's  realized net capital
gains  generally  consist  of the net  realized  capital  gains from the sale of
portfolio securities allocated to the Fund by the Portfolio).

    Shareholders  may reinvest  dividends,  if any, in shares of the Fund at the
current net asset value per share as of the ex-dividend  date and may accumulate
capital gains  distributions,  if any, in additional  shares of the Fund also at
the current net asset value per share as of the ex-dividend date.

    Distributions  by the Fund of  ordinary  income and net  short-term  capital
gains  allocated  to the Fund by the  Portfolio,  will be  taxable to the Fund's
shareholders  as ordinary  income,  whether  received in cash or  reinvested  in
additional  shares  of the Fund.  Shareholders  reinvesting  such  distributions
should treat the amount of the entire  distribution as the tax cost basis of the
additional shares acquired by reason of such reinvestment.  Distributions of net
long-term capital gains are taxable to shareholders as such, whether received in
cash or  reinvested  in  additional  shares of the Fund,  and  regardless of the
length of time shares have been owned by  shareholders.  If shares are purchased
shortly before the record date of a distribution,  the shareholder  will pay the
full price for the shares and then  receive  some portion of the price back as a
taxable  distribution.  Certain  distributions  which are  declared  in October,
November  or December  and paid the  following  January  will be  reportable  by
shareholders  as if  received  on  December  31 of the  year in  which  they are
declared.
    

    Sales  charges  paid upon a purchase  of shares of the Fund  cannot be taken
into  account  for  purposes  of  determining  gain or loss on a  redemption  or
exchange of the shares  before the 91st day after  their  purchase to the extent
shares of the Fund or of another fund are subsequently  acquired pursuant to the
Fund's  reinvestment or exchange  privilege.  In addition,  losses realized on a
redemption of Fund shares may be  disallowed  under certain "wash sale" rules if
within a period  beginning  30 days  before and ending 30 days after the date of
redemption other shares of the Fund are acquired.  Any disregarded or disallowed
amounts will result in an adjustment to the  shareholder's  tax basis in some or
all of any other shares acquired.

   
    Shareholders will receive annually tax information notices and Forms 1099 to
assist in the  preparation  of their Federal and state tax returns for the prior
calendar year's distributions,  proceeds from the redemption or exchange of Fund
shares, and Federal income tax (if any) withheld by the Fund's Transfer Agent.

    In order to qualify as a regulated  investment  company under the Code,  the
Fund must satisfy  certain  requirements  relating to the sources of its income,
the  distribution  of its income,  and the  diversification  of its  assets.  In
satisfying  these  requirements,  the Fund  will  treat  itself  as  owning  its
proportionate  share of each of the  Portfolio's  assets and as  entitled to the
income of the Portfolio properly attributable to such share.

  AS A  REGULATED  INVESTMENT  COMPANY  UNDER THE CODE,  THE FUND DOES NOT PAY
  FEDERAL  INCOME  OR  EXCISE  TAXES  TO THE  EXTENT  THAT IT  DISTRIBUTES  TO
  SHAREHOLDERS  ITS NET  INVESTMENT  INCOME AND NET REALIZED  CAPITAL GAINS IN
  ACCORDANCE  WITH  THE  TIMING  REQUIREMENTS   IMPOSED  BY  THE  CODE.  AS  A
  PARTNERSHIP  UNDER THE CODE,  THE PORTFOLIO  DOES NOT PAY FEDERAL  INCOME OR
  EXCISE TAXES.



PERFORMANCE INFORMATION
------------------------------------------------------------------------------

FROM TIME TO TIME, THE FUND MAY ADVERTISE ITS AVERAGE  ANNUAL TOTAL RETURN.  The
Fund's  average  annual total return is determined by multiplying a hypothetical
initial purchase order of $1,000 by the average annual compounded rate of return
(including  capital  appreciation/depreciation,  and dividends and distributions
paid and  reinvested)  for the stated  period and  annualizing  the result.  The
calculation assumes the maximum sales charge is deducted from the initial $1,000
purchase  order and that all dividends and  distributions  are reinvested at net
asset  value on the  reinvestment  dates  during the  period.  The Fund may also
publish annual and cumulative total return figures from time to time.

    The Fund may also furnish total return  calculations based on investments at
various sales charge levels or at net asset value. Any performance data which is
based on the Fund's net asset value per share would be reduced if a sales charge
were taken into account.

    Investors should note that the investment results of the Fund will fluctuate
over time, and any  presentation of the Fund's total return for any prior period
should not be considered as a  representation  of what an investment may earn or
what an investor's total return may be in any future period.


STATEMENT OF INTENTION AND ESCROW AGREEMENT
------------------------------------------------------------------------------

TERMS OF ESCROW.  If the  investor,  on an  application,  makes a  Statement  of
Intention to invest a specified amount over a thirteen-month period, then out of
the initial  purchase (or  subsequent  purchases if  necessary) 5% of the dollar
amount specified on the application  shall be held in escrow by the escrow agent
in the form of shares (computed to the nearest full share at the public offering
price applicable to the initial purchase hereunder) registered in the investor's
name. All income  dividends and capital gains  distributions  on escrowed shares
will be paid to the investor or to the investor's order.

    When the minimum  investment so specified is completed,  the escrowed shares
will be delivered to the investor.  If the investor has an accumulation  account
the shares will remain on deposit under the investor's account.

    If total  purchases  under this  Statement  of  Intention  are less than the
amount specified, the investor will promptly remit to EVD any difference between
the sales charge on the amount  specified and on the amount actually  purchased.
If the  investor  does not  within 20 days after  written  request by EVD or the
Authorized  Firm pay such  difference  in sales  charge,  the escrow  agent will
redeem an  appropriate  number of the  escrowed  shares in order to realize such
difference.  Full shares  remaining after any such redemption  together with any
excess cash proceeds of the shares so redeemed will be delivered to the investor
or to the investor's order by the escrow agent.

    In  signing  the  application,  the  investor  irrevocably  constitutes  and
appoints the escrow agent the  investor's  attorney to surrender for  redemption
any or all escrowed shares with full power of substitution in the premises.

PROVISION FOR RETROACTIVE PRICE  ADJUSTMENT.  If total purchases made under this
Statement  are large  enough  to  qualify  for a lower  sales  charge  than that
applicable to the amount  specified,  all  transactions  will be computed at the
expiration  date of this  Statement  to give  effect  to the lower  charge.  Any
difference  in sales charge will be refunded to the investor in cash, or applied
to the  purchase of  additional  shares at the lower  charge if specified by the
investor.  This refund will be made by the Authorized Firm and by EVD. If at the
time of the  recomputation  a firm other than the  original  firm is placing the
orders,  the adjustment will be made only on those shares purchased  through the
firm then handling the account.

    
<PAGE>
                            INVESTMENT ADVISER OF
                               STOCK PORTFOLIO
                        Boston Management and Research
                              24 Federal Street
                               Boston, MA 02110

                               ADMINISTRATOR OF
                           EV TRADITIONAL STOCK FUND
                            Eaton Vance Management
                              24 Federal Street
                               Boston, MA 02110

                            PRINCIPAL UNDERWRITER
                        Eaton Vance Distributors, Inc.
                              24 Federal Street
                               Boston, MA 02110
                                (800) 225-6265

                                  CUSTODIAN
                        Investors Bank & Trust Company
                              24 Federal Street
                               Boston, MA 02110

                                TRANSFER AGENT
                     The Shareholder Services Group, Inc.
                                    BOS725
                                P.O. Box 1559
                               Boston, MA 02104
                                (800) 262-1122

   
                           INDEPENDENT ACCOUNTANTS
                           Coopers & Lybrand L.L.P.
                            One Post Office Square
                               Boston, MA 02109
    


                           EV TRADITIONAL STOCK FUND
                              24 FEDERAL STREET
                               BOSTON, MA 02110

                                    T-STP


                                    [LOGO]

                                 EV TRADITIONAL
                                   STOCK FUND



                                  PROSPECTUS

   
                                APRIL 1, 1995
    
<PAGE>
                                   PART B
        INFORMATION REQUIRED IN A STATEMENT OF ADDITIONAL INFORMATION

   
                                             STATEMENT OF
                                             ADDITIONAL INFORMATION
                                             April 1, 1995
    

                            EV CLASSIC STOCK FUND
                              24 Federal Street
                         Boston, Massachusetts 02110
                                (800) 225-6265

   
    This  Statement  of  Additional  Information  consists of two parts.  Part I
provides  information about EV Classic Stock Fund (the "Fund") and certain other
series  of  Eaton  Vance  Securities  Trust  (the  "Trust").  Part  II  provides
information  solely about the Fund.  Where  appropriate,  Part I includes cross-
references to the relevant  sections of Part II that provide  additional,  Fund-
specific information.

------------------------------------------------------------------------------
                              TABLE OF CONTENTS
                                    PART I


Investment Objective, Policies and Restrictions .........................    2
Other Investment Features ...............................................    3
Trustees and Officers ...................................................    5
Investment Adviser and Administrator ....................................    6
Custodian ...............................................................    8
Service for Withdrawal ..................................................    8
Determination of Net Asset Value ........................................    9
Investment Performance ..................................................    9
Taxes ...................................................................   10
Portfolio Security Transactions .........................................   12
Other Information .......................................................   14
Independent Accountants .................................................   15

                                   PART II
Fees and Expenses .......................................................  a-1
Principal Underwriter ...................................................  a-1
Distribution Plan .......................................................  a-2
Performance Information .................................................  a-3
Additional Tax Matters ..................................................  a-3
Control Persons and Principal Holders of Securities .....................  a-4
Financial Statements ....................................................  a-5
------------------------------------------------------------------------------
    THIS  STATEMENT  OF  ADDITIONAL  INFORMATION  IS NOT A  PROSPECTUS  AND IS
AUTHORIZED  FOR  DISTRIBUTION  TO  PROSPECTIVE  INVESTORS  ONLY IF PRECEDED OR
ACCOMPANIED BY THE PROSPECTUS OF EV CLASSIC STOCK FUND DATED APRIL 1, 1995, AS
SUPPLEMENTED  FROM TIME TO TIME.  THIS  STATEMENT  OF  ADDITIONAL  INFORMATION
SHOULD BE READ IN  CONJUNCTION  WITH SUCH  PROSPECTUS,  A COPY OF WHICH MAY BE
OBTAINED  WITHOUT  CHARGE BY CONTACTING  EATON VANCE  DISTRIBUTORS,  INC. (THE
"PRINCIPAL UNDERWRITER") (SEE BACK COVER FOR ADDRESS AND PHONE NUMBER).
    

<PAGE>
                                    PART B
        INFORMATION REQUIRED IN A STATEMENT OF ADDITIONAL INFORMATION

   
                                             STATEMENT OF
                                             ADDITIONAL INFORMATION
                                             APRIL 1, 1995
    

                            EV MARATHON STOCK FUND
                              24 Federal Street
                         Boston, Massachusetts 02110
                                (800) 225-6265

   
     This  Statement of  Additional  Information  consists of two parts.  Part I
provides information about EV Marathon Stock Fund (the "Fund") and certain other
series  of  Eaton  Vance  Securities  Trust  (the  "Trust").  Part  II  provides
information  solely about the Fund.  Where  appropriate,  Part I includes cross-
references to the relevant  sections of Part II that provide  additional,  Fund-
specific information
    

------------------------------------------------------------------------------
                              TABLE OF CONTENTS
                                    PART I

   
Investment Objective, Policies and Restrictions .....................         2
Other Investment Features ...........................................         3
Trustees and Officers ...............................................         5
Investment Adviser and Administrator ................................         6
Custodian ...........................................................         8
Service for Withdrawal ..............................................         8
Determination of Net Asset Value ....................................         8
Investment Performance ..............................................         9
Taxes ...............................................................        10
Portfolio Security Transactions .....................................        11
Other Information ...................................................        13
Independent Accountants .............................................        14

                                   PART II

Fees and Expenses ...................................................       a-1
Principal Underwriter ...............................................       a-1
Distribution Plan ...................................................       a-2
Performance Information .............................................       a-3
Additional Tax Matters ..............................................       a-3
Control Persons and Principal Holders of Securities ..................      a-4
Financial Statements .................................................      a-5
------------------------------------------------------------------------------
    THIS  STATEMENT  OF  ADDITIONAL  INFORMATION  IS NOT A  PROSPECTUS  AND IS
AUTHORIZED  FOR  DISTRIBUTION  TO  PROSPECTIVE  INVESTORS  ONLY IF PRECEDED OR
ACCOMPANIED  BY THE  PROSPECTUS OF EV MARATHON STOCK FUND DATED APRIL 1, 1995,
AS SUPPLEMENTED  FROM TIME TO TIME.  THIS STATEMENT OF ADDITIONAL  INFORMATION
SHOULD BE READ IN  CONJUNCTION  WITH SUCH  PROSPECTUS,  A COPY OF WHICH MAY BE
OBTAINED  WITHOUT  CHARGE BY CONTACTING  EATON VANCE  DISTRIBUTORS,  INC. (THE
"PRINCIPAL UNDERWRITER") (SEE BACK COVER FOR ADDRESS AND PHONE NUMBER).
    


<PAGE>
   
                                        PART B
        INFORMATION REQUIRED IN A STATEMENT OF ADDITIONAL INFORMATION

                                         STATEMENT OF
                                             ADDITIONAL INFORMATION
                                             APRIL 1, 1995

                          EV TRADITIONAL STOCK FUND
                              24 Federal Street
                         Boston, Massachusetts 02110
                                (800) 225-6265

    This Statement of Additional Information consists of two parts. Part I
provides information about EV Traditional Stock Fund (the "Fund") and certain
other series of Eaton Vance Securities Trust (the "Trust"). Part II provides
information solely about the Fund. Where appropriate, Part I includes cross-
references to the relevant sections of Part II that provide additional,  Fund-
specific information.
    

------------------------------------------------------------------------------
                              TABLE OF CONTENTS
                                    PART I

   
Investment Objective, Policies and Restrictions ..........................   2
Other Investment Features ................................................   3
Trustees and Officers ....................................................   5
Investment Adviser and Administrator .....................................   6
Custodian ................................................................   8
Service for Withdrawal ...................................................   8
Determination of Net Asset Value .........................................   8
Investment Performance ...................................................   9
Taxes ....................................................................   9
Portfolio Security Transactions ..........................................  11
Other Information ........................................................  12
Independent Accountants ..................................................  13

                                   PART II
Fees and Expenses .......................................................  a-1
Services for Accumulation ...............................................  a-1
Principal Underwriter ...................................................  a-2
Service Plan ............................................................  a-3
Performance Information .................................................  a-4
Additional Tax Matters ..................................................  a-4
Control Persons and Principal Holders of Securities .....................  a-5
Financial Statements ....................................................  a-6
------------------------------------------------------------------------------
    THIS  STATEMENT  OF  ADDITIONAL  INFORMATION  IS NOT A  PROSPECTUS  AND IS
AUTHORIZED  FOR  DISTRIBUTION  TO  PROSPECTIVE  INVESTORS  ONLY IF PRECEDED OR
ACCOMPANIED  BY THE  PROSPECTUS  OF EV  TRADITIONAL  STOCK FUND DATED APRIL 1,
1995,  AS  SUPPLEMENTED  FROM  TIME TO  TIME.  THIS  STATEMENT  OF  ADDITIONAL
INFORMATION  SHOULD BE READ IN  CONJUNCTION  WITH SUCH  PROSPECTUS,  A COPY OF
WHICH MAY BE OBTAINED WITHOUT CHARGE BY CONTACTING  EATON VANCE  DISTRIBUTORS,
INC.  (THE  "PRINCIPAL  UNDERWRITER")  (SEE BACK COVER FOR  ADDRESS  AND PHONE
NUMBER).
    
<PAGE>
                    STATEMENT OF ADDITIONAL INFORMATION
                                    PART I

    The following provides information about the Fund and certain other series
of the Trust.

               INVESTMENT OBJECTIVE,  POLICIES AND RESTRICTIONS

    The investment  objective of the Fund, a diversified series of the Trust, is
to  provide  growth of  principal  and  income  for its  shareholders.  The Fund
currently  seeks to achieve its investment  objective by investing its assets in
the Stock Portfolio (the "Portfolio"),  a separate registered investment company
with the same  investment  objective  as the  Fund  and  substantially  the same
investment policies and restrictions as the Fund. The Portfolio seeks to achieve
its  investment  objective  by  investing  in a  number  of  carefully  selected
securities.

    The  Trustees  of the Trust may  withdraw  the  Fund's  investment  from the
Portfolio at any time, if they determine that it is in the best interests of the
Fund to do so. Upon any such withdrawal,  the Fund's assets would be invested in
another  investment  company with  substantially the same investment  objective,
policies  and  restrictions  as  those  of the Fund or  directly  in  investment
securities in accordance with the Portfolio's  investment policies, as described
below.  Except as indicated below, the approval of the Fund's shareholders would
not be required to change the Portfolio's  investment  policies discussed below,
including those concerning security transactions.

    The Portfolio  represents the best efforts of Boston Management and Research
("BMR" or the "Investment  Adviser") to combine in a single  investment  package
those securities which it considers most appropriate.

   
    Primary  emphasis will be placed on common stocks of companies  which appear
to offer good  prospects  for  increases  in both  earnings and  dividends.  The
Portfolio's investments in convertible debt securities will be limited to 20% of
its net assets.

    In seeking to achieve its investment  objective,  or to  consolidate  growth
previously  attained,  the  Portfolio  may  from  time to time  purchase  bonds,
preferred  stocks,  U.S.  Government  obligations  and  other  securities.   The
Portfolio purchases securities primarily for investment, rather than with a view
to realizing trading profits. Nevertheless,  portfolio changes are made whenever
considered  advisable  in the  pursuit  of  the  Portfolio's  stated  investment
objective.

    The Portfolio  may also invest in lower  quality,  high risk,  high yielding
convertible  debt  securities.  Securities  rated below  investment grade may be
subject  to  greater  credit  risks,  including  the  possibility  of default or
bankruptcy of the issuer, and greater relative  volatility than securities rated
above investment grade.

     By investing in a diversified portfolio of securities,  the Portfolio seeks
both to reduce  the  risks  ordinarily  inherent  in  holding  one  security  or
securities of a single  issuer and to improve the prospects for possible  growth
by  investing  in  a  substantial  number  of  prudently  selected   securities.
Attainment of the Portfolio's  objective cannot, of course, be assured since its
net asset value  fluctuates  with changes in the market value of its investments
and dividends paid depend upon income received by the Portfolio.

    The following investment  restrictions have been adopted by the Fund and may
be changed  only by the vote of a  majority  of the  Fund's  outstanding  voting
securities as defined in the Investment Company Act of 1940 (the "1940 Act").
    

    As a matter of  fundamental  investment  policy,  the Fund may not:

    (1) With  respect  to 75% of its total  assets,  invest  more than 5% of its
total  assets taken at market  value in the  securities  of any one issuer or in
more than 10% of the  outstanding  voting  securities of any one issuer,  except
obligations  issued  or  guaranteed  by the U.S.  Government,  its  agencies  or
instrumentalities and except securities of other investment companies.

    (2) Borrow  money or issue  senior  securities,  except as  permitted by the
Investment Company Act of 1940;

    (3) Purchase  securities on margin (but the Fund may obtain such  short-term
credits  as may be  necessary  for the  clearance  of  purchases  and  sales  of
securities);

    (4) Engage in underwriting  securities of other issuers; 

    (5) Invest in real estate  (although  it may  purchase  and sell  securities
which are secured by real estate and  securities  of  companies  which invest or
deal in real estate);

    (6) Invest in commodities  or commodity  contracts for the purchase and sale
of physical commodities; or

    (7)  Make  loans  to any  person  except  by (a)  the  acquisition  of  debt
securities  and making  portfolio  investments,  (b)  entering  into  repurchase
agreements or (c) lending portfolio securities.

    In  addition,  the Fund does not  intend to  concentrate  25% or more of its
assets in any one industry (provided that there is no limitation with respect to
obligations  issued or guaranteed by the U.S.  Government or any of its agencies
or instrumentalities).

   
    Notwithstanding  the  investment  policies and restrictions of the Fund, the
Fund may invest its assets in an open-end  management  investment  company  with
substantially  the same investment  objective,  policies and restrictions as the
Fund.
    

    The Trustees of the Trust and the Portfolio do not intend that the Fund or
the Portfolio borrow money for leveraging or investment purposes.

    The  Portfolio has adopted  substantially  the same  fundamental  investment
restrictions as the foregoing numbered  investment  restrictions  adopted by the
Fund; such restrictions cannot be changed without the approval of a "majority of
the  outstanding  voting  securities"  of the  Portfolio,  which as used in this
Statement  of  Additional  Information  means  the  lesser  of  (a)  67%  of the
outstanding  voting  securities of the Portfolio present or represented by proxy
at a  meeting  if the  holders  of  more  than  50% of  the  outstanding  voting
securities  of the Portfolio  are present or  represented  at the meeting or (b)
more than 50% of the outstanding  voting  securities of the Portfolio.  The term
"voting  securities"  as used in this  paragraph  has the same meaning as in the
1940 Act.  Whenever the Trust is requested to vote on a change in the investment
restrictions  of  the  Portfolio,   the  Trust  will  hold  a  meeting  of  Fund
shareholders and will cast its vote as instructed by the shareholders.

   
    The Fund and the Portfolio  have each adopted the  following  nonfundamental
investment  policies  which  may be  changed  with  respect  to the  Fund by the
Trustees  of the Trust  without  approval by the Fund's  shareholders  or may be
changed with respect to the Portfolio by the Trustees of the  Portfolio  with or
without the approval of the Fund or the Portfolio's other investors. As a matter
of  nonfundamental  policy,  neither the Fund nor the Portfolio  may: (a) invest
more than 15% of net assets in  investments  which are not  readily  marketable,
including restricted  securities and repurchase agreements maturing in more than
seven days.  Restricted  securities  for the purposes of this  limitation do not
include  securities  eligible  for  resale  pursuant  to  Rule  144A  under  the
Securities  Act of 1933 that the Board of Trustees of the Trust or the Portfolio
or its delegate, determines to be liquid, based upon the trading markets for the
specific  security;  (b) make  short  sales of  securities  or  maintain a short
position,  unless at all  times  when a short  position  is open the Fund or the
Portfolio  either owns an equal  amount of such  securities  or owns  securities
convertible  into or exchangeable for securities of the same issue as, and equal
in amount to, the  securities  sold short;  (c) invest in the  securities of any
issuer when any Trustee of the Trust or the Portfolio,  the Investment  Adviser,
or any officer or trustee of the Investment  Adviser owns in excess of 1/2 of 1%
of the  issuer's  securities  if such owners  together  own more than 5% of such
securities; (d) invest more than 5% of its total assets (taken at current value)
in the securities of issuers which,  including their predecessors,  have been in
operation for less than three years (unless such security is rated at least B or
a  comparable  rating  at the  time  of  purchase  by at  least  one  nationally
recognized rating service),  and except for obligations  issued or guaranteed by
the U.S. Government or any of its agencies or  instrumentalities;  (e) deal with
the  Trustees  of the Trust or the  Portfolio,  the  Investment  Adviser  or the
Principal  Underwriter  as  principals  in making  security  purchases or sales.
Neither the  Trustees nor the  Investment  Adviser nor any officer or trustee of
the Investment  Adviser may make any profit on any  transactions for the Fund or
the  Portfolio;  or (f)  invest  in  interests  in  oil,  gas or  other  mineral
exploration  or  development   programs  (which  shall  not,  however,   prevent
investment in securities of companies engaged in such activities).

    In order to  permit  the sale of shares of the Fund in certain  states,  the
Fund may make commitments  more  restrictive than the policies  described above.
Should  the Fund  determine  that any such  commitment  is no longer in the best
interests of the Fund and its  shareholders,  it will revoke the  commitment  by
terminating sales of its shares in the state(s) involved.
    

                          OTHER INVESTMENT FEATURES

LENDING OF PORTFOLIO SECURITIES

    The  Portfolio  may  seek  to  increase  its  income  by  lending  portfolio
securities.  Under present regulatory policies,  including those of the Board of
Governors  of the  Federal  Reserve  System  and  the  Securities  and  Exchange
Commission,  such  loans  may be made to  member  firms  of the New  York  Stock
Exchange, and would be required to be secured continuously by collateral in cash
or cash equivalents maintained on a current basis at an amount at least equal to
the market value of the securities loaned. The Portfolio would have the right to
call a loan and obtain the  securities  loaned at any time on five days' notice.
During the  existence of a loan,  the  Portfolio  would  continue to receive the
equivalent  of the  interest or dividends  paid by the issuer on the  securities
loaned and would also receive the interest on investment of the collateral.  The
Portfolio  would  not,  however,  have the right to vote any  securities  having
voting  rights  during  the  existence  of the loan,  but would call the loan in
anticipation of an important vote to be taken among holders of the securities or
of the giving or withholding of their consent on a material matter affecting the
investment.  As with  other  extensions  of  credit  there are risks of delay in
recovery  or even loss of rights in the  collateral  should the  borrower of the
securities  fail  financially.  However,  the loans  would be made only to firms
deemed by the  Investment  Adviser  to be of good  standing,  and  when,  in its
judgment,  the consideration which can be earned currently from securities loans
of this type justifies the attendant risk.

    If the Investment  Adviser  determines to make  securities  loans, it is not
intended  that the  value  of the  securities  loaned  would  exceed  30% of the
Portfolio's  total assets. As of the present time, the Trustees of the Portfolio
have not made a  determination  to engage in this activity,  and have no present
intention of making such a determination during the current fiscal year.


WRITING OF COVERED CALL OPTIONS

   
    The  Portfolio  may  engage  in the  writing  of call  option  contracts  on
securities  which are owned by the Portfolio  ("covered call options")  when, in
the opinion of the Trustees of the  Portfolio,  such  activity is advisable  and
appropriate.

    A call option  written by the  Portfolio  obligates  the  Portfolio  to sell
specified  securities  to the holder of the option at a  specified  price at any
time before the expiration  date. The Portfolio will write a covered call option
on a security for the purpose of increasing  its return on such security  and/or
to  partially  hedge  against  a  decline  in  the  value  of the  security.  In
particular,  when the Portfolio writes an option which expires unexercised or is
closed out by the Portfolio at a profit, it will retain the premium paid for the
option, which will increase its gross income and will offset in part the reduced
value of the portfolio security  underlying the option, or the increased cost of
acquiring  the  security  for  its  portfolio.  However,  if  the  price  of the
underlying security moves adversely to the Portfolio's position,  the option may
be exercised and the Portfolio will be required to sell the underlying  security
at a disadvantageous  price, which may only be partially offset by the amount of
the premium,  if at all. The Portfolio does not intend to write a covered option
on any security if after such  transaction  more than 25% of its net assets,  as
measured by the aggregate  value of the securities  underlying all covered calls
written by the Portfolio, would be subject to such options.
    

    The  Portfolio  may  terminate  its  obligations  under  a  call  option  by
purchasing  an option  identical to the one it has written.  Such  purchases are
referred to as "closing purchase transactions."

    An options  position  may be closed out only on an  options  exchange  which
provides a  secondary  market  for an option of the same  series.  Although  the
Portfolio  will  generally  purchase or write only those options for which there
appears to be an active  secondary  market,  there is no assurance that a liquid
secondary market on an exchange will exist for any particular  option, or at any
particular  time. For some options no secondary market on an exchange may exist.
In such  event,  it might not be  possible  to effect  closing  transactions  in
particular  options,  with the result that the Portfolio  would have to exercise
its  options in order to realize any profit and would  incur  transaction  costs
upon the sale of underlying  securities pursuant to the exercise of put options.
If the  Portfolio as a covered call option  writer is unable to effect a closing
purchase  transaction  in a  secondary  market,  it will not be able to sell the
underlying  security  until the option  expires or it  delivers  the  underlying
security upon exercise.

    Reasons for the absence of a liquid  secondary market on an exchange include
the  following:  (i) there  may be  insufficient  trading  interest  in  certain
options; (ii) restrictions may be imposed by an exchange on opening transactions
or closing  transactions  or both;  (iii) trading  halts,  suspensions  or other
restrictions  may be imposed  with  respect to  particular  classes or series of
options or underlying securities;  (iv) unusual or unforeseen  circumstances may
interrupt normal operations on an exchange; (v) the facilities of an exchange or
the  Options  Clearing  Corporation  may not at all times be  adequate to handle
current trading  volume;  or (vi) one or more exchanges  could,  for economic or
other  reasons,  decide or be compelled at some future date to  discontinue  the
trading of options (or a particular class or series of options),  in which event
the  secondary  market on that  exchange (or in that class or series of options)
would cease to exist,  although  outstanding  options on that  exchange that had
been issued by the Options  Clearing  Corporation  as a result of trades on that
exchange would continue to be exercisable in accordance with their terms.

   
    The Portfolio  will pay  brokerage  commissions  in connection  with writing
options and effecting  closing  purchase  transactions,  as well as for sales of
underlying  securities.  The  writing of  options  could  result in  significant
increases in the Portfolio's  portfolio turnover rate, especially during periods
when market prices of the underlying securities appreciate.
    

    There is no assurance that higher than anticipated trading activity or other
unforeseen  events might not, at times,  render certain of the facilities of the
Options Clearing Corporation  inadequate,  and thereby result in the institution
by an  exchange  of  special  procedures  which may  interfere  with the  timely
execution of customers' orders.

    The amount of the  premiums  which the  Portfolio  may pay or receive may be
adversely affected as new or existing  institutions,  including other investment
companies, engage in or increase their option purchasing and writing activities.


                            TRUSTEES AND OFFICERS

   
    The Trustees  and officers of the Trust and the  Portfolio are listed below.
Except as indicated,  each individual has held the office shown or other offices
in the same  company  for the last  five  years.  Unless  otherwise  noted,  the
business  address of each  Trustee  and  officer is 24 Federal  Street,  Boston,
Massachusetts  02110,  which is also the address of the  Portfolio's  investment
adviser,  Boston Management and Research ("BMR" or the "Investment  Adviser"), a
wholly-owned  subsidiary of Eaton Vance  Management  ("Eaton  Vance");  of Eaton
Vance's  parent,  Eaton  Vance  Corp.  ("EVC");  and of BMR's and Eaton  Vance's
trustee,  Eaton Vance,  Inc.  ("EV").  Eaton Vance and EV are both  wholly-owned
subsidiaries of EVC. Those Trustees and officers who are "interested persons" of
the Trust, the Portfolio, BMR, Eaton Vance, EVC or EV as defined in the 1940 Act
by virtue of their affiliation with any one or more of the Trust, the Portfolio,
BMR, Eaton Vance, EVC or EV, are indicated by an asterisk (*).
    


                   TRUSTEES OF THE TRUST AND THE PORTFOLIO

JAMES B. HAWKES (53), President and Trustee*
Executive Vice President of BMR, Eaton Vance,  EVC and EV, and a Director of EVC
  and EV.  Director  or Trustee  and  officer of  various  investment  companies
  managed by Eaton Vance or BMR.

PETER F. KIELY (58), Vice President and Trustee*
Vice  President of BMR,  Eaton Vance and EV.  Director or Trustee and officer of
  various  investment  companies  managed by Eaton Vance or BMR.  Mr.  Kiely was
  elected Trustee of the Trust on December 16, 1991.

DONALD R. DWIGHT (64), Trustee
President of Dwight  Partners,  Inc. (a corporate  relations and  communications
  company) founded in 1988;  Chairman of the Board of Newspapers of New England,
  Inc. since 1983.  Director or Trustee of various investment  companies managed
  by Eaton Vance or BMR.
Address: Clover Mill Lane, Lyme, New Hampshire 03768

   
SAMUEL L. HAYES, III (60), Trustee
Jacob J. Schiff Professor of Investment  Banking,  Harvard  University  Graduate
  School of Business  Administration.  Director or Trustee of various investment
  companies managed by Eaton Vance or BMR.
Address: Harvard University Graduate School of Business Administration,
  Soldiers Field Road, Boston, Massachusetts 02134
    

NORTON H. REAMER (59), Trustee
President and Director,  United Asset Management  Corporation (a holding company
  owning institutional  investment  management firms);  Chairman,  President and
  Director,  The Regis Fund, Inc. (mutual fund).  Director or Trustee of various
  investment companies managed by Eaton Vance or BMR.
Address: One International Place, Boston, Massachusetts 02110

   
JOHN L. THORNDIKE  (68),  Trustee  Director of Fiduciary  Company  Incorporated.
  Director or Trustee of various investment  companies managed by Eaton Vance or
  BMR.
Address: 175 Federal Street, Boston, Massachusetts 02110
    

JACK L. TREYNOR (65), Trustee
Investment Adviser and Consultant. Director or Trustee of various investment
  companies managed by Eaton Vance or BMR.
Address: 504 Via Almar, Palos Verdes Estates, California 90274

                   OFFICERS OF THE TRUST AND THE PORTFOLIO

   
A. WALKER MARTIN (49), Vice President*
Vice  President  of BMR,  Eaton  Vance and EV.  Officer  of  various  investment
  companies  managed  by Eaton  Vance or BMR.  Mr.  Martin  was  elected  a Vice
  President of the Trust on October 15, 1990.
    

JAMES L. O'CONNOR (49), Treasurer*
Vice  President  of BMR,  Eaton  Vance,  and EV.  Officer of various  investment
  companies managed by Eaton Vance or BMR.

WILLIAM J. AUSTIN, JR. (43), Assistant Treasurer*
Assistant  Vice  President  of BMR,  Eaton  Vance  and EV.  Officer  of  various
  investment  companies  managed by Eaton Vance or BMR.  Mr.  Austin was elected
  Assistant Treasurer of the Trust on December 16, 1991.

THOMAS OTIS (63), Secretary*
Vice President and Secretary of BMR, Eaton Vance, EVC and EV. Officer of various
  investment companies managed by Eaton Vance or BMR.

   
JANET E. SANDERS (59), Assistant Treasurer and Assistant Secretary*
Vice  President  of BMR,  Eaton  Vance and EV.  Officer  of  various  investment
  companies managed by Eaton Vance or BMR.

    Messrs.  Thorndike  (Chairman),  Hayes and Reamer are members of the Special
Committee  of the  Board of  Trustees  of the Trust  and of the  Portfolio.  The
Special  Committee's  functions  include  a  continuous  review  of the  Trust's
contractual  relationship with the  Administrator,  the Portfolio's  contractual
relationship with the Investment Adviser, making recommendations to the Trustees
regarding the  compensation  of those  Trustees who are not members of the Eaton
Vance  organization,  and  making  recommendations  to  the  Trustees  regarding
candidates  to fill  vacancies,  as and when they  occur,  in the ranks of those
Trustees who are not "interested  persons" of the Trust,  the Portfolio,  or the
Eaton Vance organization.
    

    Messrs.  Treynor (Chairman) and Dwight are members of the Audit Committee of
the Board of Trustees of the Trust and of the Portfolio.  The Audit  Committee's
functions include making recommendations to the Trustees regarding the selection
of the  independent  accountants,  and reviewing with such  accountants  and the
Treasurer of the Trust and of the Portfolio  matters  relative to accounting and
auditing  practices and  procedures,  accounting  records,  internal  accounting
controls, and the functions performed by the custodian and transfer agent of the
Trust and of the Portfolio.

   
    Trustees of the Portfolio who 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 a Trustees Deferred Compensation Plan (the "Plan").
Under the Plan, an eligible Trustee may elect to have his deferred fees invested
by the Portfolio in the shares of one or more funds in the Eaton Vance Family of
Funds,  and the amount paid to the  Trustees  under the Plan will be  determined
based upon the  performance of such  investments.  Deferral of Trustees' fees in
accordance  with the Plan  will  have a  negligible  effect  on the  Portfolio's
assets,  liabilities,  and net  income  per  share,  and will not  obligate  the
Portfolio to retain the services of any Trustee or obligate the Portfolio to pay
any particular level of compensation to the Trustee.

    The fees and expenses of those  Trustees of the Trust and the  Portfolio who
are not  members of the Eaton Vance  organization  are paid by the Fund (and the
other series of the Trust) and the Portfolio, respectively. For the compensation
earned by the Trustees of the Trust and the  Portfolio,  see "Fees and Expenses"
in Part II of this Statement of Additional Information.
    




                     INVESTMENT ADVISER AND ADMINISTRATOR

    The  Portfolio  engages  BMR  as  its  investment  adviser  pursuant  to  an
Investment  Advisory  Agreement dated August 1, 1994. BMR or Eaton Vance acts as
investment   adviser  to  investment   companies  and  various   individual  and
institutional clients with combined assets under management of approximately $15
billion.

    Eaton Vance, its affiliates and its predecessor companies have been managing
assets of  individuals  and  institutions  since  1924 and  managing  investment
companies  since 1931.  They maintain a large staff of experienced  fixed-income
and equity  investment  professionals  to service the needs of its clients.  The
fixed-income  division  focuses  on all kinds of taxable  investment-  grade and
high-yield  securities,  tax-exempt  investment-grade and high-yield securities,
and U.S. Government  securities.  The equity division covers stocks ranging from
blue chip to emerging growth companies.

    BMR manages the  investments  and  affairs of the  Portfolio  subject to the
supervision of the Portfolio's Board of Trustees. BMR furnishes to the Portfolio
investment research, advice and supervision, furnishes an investment program and
determines what securities will be purchased,  held or sold by the Portfolio and
what portion,  if any, of the Portfolio's  assets will be held  uninvested.  The
Investment  Advisory  Agreement requires BMR to pay the salaries and fees of all
officers and Trustees of the Portfolio  who are members of the BMR  organization
and all personnel of BMR performing services relating to research and investment
activities.  The Portfolio is responsible for all expenses not expressly  stated
to be payable by BMR under the Investment Advisory Agreement, including, without
implied limitation, (i) expenses of maintaining the Portfolio and continuing its
existence,  (ii)  registration  of the  Portfolio  under  the  1940  Act,  (iii)
commissions, fees and other expenses connected with the acquisition, holding and
disposition of securities and other investments,  (iv) auditing,  accounting and
legal expenses,  (v) taxes and interest,  (vi) governmental fees, (vii) expenses
of issue, sale and redemption of interests in the Portfolio,  (viii) expenses of
registering  and qualifying  the Portfolio and interests in the Portfolio  under
Federal and state  securities  laws and of preparing  and printing  registration
statements or other  offering  statements or memoranda for such purposes and for
distributing  the same to investors,  and fees and expenses of  registering  and
maintaining  registrations  of the  Portfolio and of the  Portfolio's  placement
agent as  broker-dealer  or agent under state  securities laws, (ix) expenses of
reports  and  notices  to  investors  and of  meetings  of  investors  and proxy
solicitations  therefor,  (x) expenses of reports to  governmental  officers and
commissions,  (xi) insurance expenses, (xii) association membership dues, (xiii)
fees,  expenses  and  disbursements  of  custodians  and  subcustodians  for all
services to the Portfolio  (including without  limitation  safekeeping of funds,
securities and other investments,  keeping of books,  accounts and records,  and
determination of net asset values, book capital account balances and tax capital
account  balances),  (xiv) fees,  expenses and disbursements of transfer agents,
dividend  disbursing  agents,  investor  servicing agents and registrars for all
services  to  the  Portfolio,  (xv)  expenses  for  servicing  the  accounts  of
investors, (xvi) any direct charges to investors approved by the Trustees of the
Portfolio, (xvii) compensation and expenses of Trustees of the Portfolio who are
not members of BMR's  organization,  and (xviii) such non-recurring items as may
arise,  including  expenses incurred in connection with litigation,  proceedings
and claims and the  obligation  of the  Portfolio  to  indemnify  its  Trustees,
officers and investors with respect thereto.

   
    Under the Investment  Advisory Agreement with the Portfolio,  BMR receives a
monthly  advisory  fee of 5/96 of 1%  (equivalent  to  0.625%  annually)  of the
average  daily  net  assets of the  Portfolio.  As at  December  31,  1994,  the
Portfolio  had net  assets  of  $85,519,035.  For the  period  from the start of
business,  August 1, 1994, to December 31, 1994,  BMR received  advisory fees of
$230,928 (equivalent to 0.625% (annualized) of the Portfolio's average daily net
assets for such period).
    

    The Investment  Advisory Agreement with BMR remains in effect until February
28,  1996.  It  may  be  continued  indefinitely  thereafter  so  long  as  such
continuance  after  February  28, 1996 is approved at least  annually (i) by the
vote of a majority  of the  Trustees  of the  Portfolio  who are not  interested
persons  of the  Portfolio  or of BMR cast in person  at a meeting  specifically
called  for the  purpose  of  voting on such  approval  and (ii) by the Board of
Trustees of the  Portfolio  or by vote of a majority of the  outstanding  voting
securities of the Portfolio. The Agreement may be terminated at any time without
penalty on sixty days'  written  notice by the Board of Trustees of either party
or by  vote  of  the  majority  of  the  outstanding  voting  securities  of the
Portfolio,  and the Agreement will terminate  automatically  in the event of its
assignment.  The Agreement  provides that BMR may render  services to others and
may permit other fund clients and other  corporations  and  organizations to use
the words "Eaton Vance" or "Boston  Management and Research" in their names. The
Agreement  also  provides  that BMR shall not be liable for any loss incurred in
connection with the performance of its duties,  or action taken or omitted under
that  Agreement,  in the  absence  of  willful  misfeasance,  bad  faith,  gross
negligence  in the  performance  of its  duties  or by  reason  of its  reckless
disregard of its obligations and duties thereunder,  or for any losses sustained
in the acquisition, holding or disposition of any security or other investment.

   
    As indicated in the Prospectus,  Eaton Vance serves as  Administrator of the
Fund, but receives no compensation for providing  administrative services to the
Fund.  Under its  agreement  with the Fund,  Eaton  Vance  has been  engaged  to
administer the Fund's affairs, subject to the supervision of the Trustees of the
Trust,  and shall furnish for the use of the Fund office space and all necessary
office facilities,  equipment and personnel for administering the affairs of the
Fund.

    The Fund pays all of its own expenses  including,  without  limitation,  (i)
expenses of maintaining the Fund and continuing its existence, (ii) registration
of the Trust  under the 1940 Act,  (iii)  commissions,  fees and other  expenses
connected  with the purchase or sale of securities and other  investments,  (iv)
auditing,   accounting  and  legal  expenses,  (v)  taxes  and  interest,   (vi)
governmental fees, (vii) expenses of issue,  sale,  repurchase and redemption of
shares,  (viii)  expenses of registering  and qualifying the Fund and its shares
under  federal  and  state   securities  laws  and  of  preparing  and  printing
prospectuses for such purposes and for distributing the same to shareholders and
investors, and fees and expenses of registering and maintaining registrations of
the Fund and of the Fund's  principal  underwriter,  if any, as broker-dealer or
agent  under  state  securities  laws,  (ix)  expenses of reports and notices to
shareholders and of meetings of shareholders and proxy  solicitations  therefor,
(x) expenses of reports to governmental officers and commissions, (xi) insurance
expenses,   (xii)  association   membership  dues,  (xiii)  fees,  expenses  and
disbursements  of  custodians  and  subcustodians  for all  services to the Fund
(including  without  limitation  safekeeping  of  funds,  securities  and  other
investments,  keeping  of books  and  accounts  and  determination  of net asset
values),  (xiv) fees,  expenses and  disbursements of transfer agents,  dividend
disbursing agents,  shareholder servicing agents and registrars for all services
to the Fund, (xv) expenses for servicing shareholder accounts,  (xvi) any direct
charges  to  shareholders   approved  by  the  Trustees  of  the  Trust,  (xvii)
compensation  and  expenses  of Trustees of the Trust who are not members of the
Eaton Vance  organization,  and (xviii) such  non-recurring  items as may arise,
including  expenses  incurred in connection  with  litigation,  proceedings  and
claims and the  obligation  of the Trust to indemnify  its Trustees and officers
with respect thereto.
    

    A commitment has been made to a state securities  authority that Eaton Vance
will take certain  actions,  if necessary,  so that the Fund's expenses will not
exceed  expense  limitation  requirements  of such state.  The commitment may be
amended or rescinded  by Eaton Vance in response to changes in the  requirements
of the state or for other reasons.

   
    BMR is a wholly-owned subsidiary of Eaton Vance. Eaton Vance and EV are both
wholly-owned  subsidiaries  of EVC.  BMR and Eaton Vance are both  Massachusetts
business trusts,  and EV is the trustee of BMR and Eaton Vance. The Directors of
EV are Landon T. Clay, H. Day Brigham,  Jr., M. Dozier Gardner,  James B. Hawkes
and Benjamin A.  Rowland,  Jr. The  Directors of EVC consist of the same persons
and John G. L.  Cabot and  Ralph Z.  Sorenson.  Mr.  Clay is  chairman,  and Mr.
Gardner is president and chief executive  officer,  of EVC, BMR, Eaton Vance and
EV. All of the issued and outstanding  shares of Eaton Vance and of EV are owned
by EVC.  All of the  issued  and  outstanding  shares  of BMR are owned by Eaton
Vance. All shares of the outstanding Voting Common Stock of EVC are deposited in
a Voting Trust,  which expires  December 31, 1996, the Voting  Trustees of which
are Messrs. Brigham, Clay, Gardner, Hawkes and Rowland. The Voting Trustees have
unrestricted  voting  rights for the  election of  Directors  of EVC. All of the
outstanding  voting trust  receipts  issued under said Voting Trust are owned by
certain  of the  officers  of BMR and  Eaton  Vance  who are  also  officers  or
Directors  of EVC and EV. As of February  28, 1995,  Messrs.  Clay,  Gardner and
Hawkes each owned 24% of such voting  trust  receipts,  and Messrs.  Rowland and
Brigham owned 15% and 13%, respectively,  of such voting trust receipts. Messrs.
Hawkes and Otis,  who are  officers or Trustees of the Trust and the  Portfolio,
are members of the EVC, Eaton Vance, BMR and EV organizations.  Messrs.  Austin,
Kiely, Martin and O'Connor and Ms. Sanders are officers or Trustees of the Trust
and the  Portfolio  and all are also  members  of the BMR,  Eaton  Vance  and EV
organizations.  BMR will  receive  the fees paid under the  Investment  Advisory
Agreement.

    Eaton Vance owns all of the stock of Energex Corporation, which is engaged
in oil and gas  operations.  EVC owns all of the  stock of  Marblehead  Energy
Corp.  (which is engaged in oil and gas  operations) and 77.3% of the stock of
Investors Bank & Trust Company, custodian of the Fund and the Portfolio, which
provides  custodial,  trustee  and  other  fiduciary  services  to  investors,
including  individuals,  employee  benefit  plans,  corporations,   investment
companies, savings banks and other institutions. In addition, Eaton Vance owns
all of the stock of  Northeast  Properties,  Inc.,  which is  engaged  in real
estate  investment,  consulting and  management.  EVC owns all of the stock of
Fulcrum  Management,   Inc.  and  MinVen,  Inc.,  which  are  engaged  in  the
development  of precious  metal  properties.  EVC, BMR, Eaton Vance and EV may
also enter into other businesses.

    EVC and its affiliates and its officers and employees from time to time have
transactions  with various  banks,  including  the custodian of the Fund and the
Portfolio,  Investors Bank & Trust Company. It is Eaton Vance's opinion that the
terms and conditions of such transactions were not and will not be influenced by
existing or potential custodial or other relationships  between the Fund and the
Portfolio and such banks.
    


                                  CUSTODIAN

   
    Investors  Bank  &  Trust  Company  ("IBT"),  24  Federal  Street,   Boston,
Massachusetts,  (a 77.3% owned subsidiary of EVC) acts as custodian for the Fund
and the Portfolio.  IBT has the custody of all cash and securities  representing
the Fund's interest in the Portfolio, has custody of all the Portfolio's assets,
maintains the general  ledger of the  Portfolio  and the Fund,  and computes the
daily net asset value of interests in the  Portfolio  and the net asset value of
shares of the Fund. In such  capacity it attends to details in  connection  with
the  sale,  exchange,   substitution,   transfer  or  other  dealings  with  the
Portfolio's investments,  receives and disburses all funds, and performs various
other ministerial  duties upon receipt of proper  instructions from the Fund and
the Portfolio.  IBT charges fees which are  competitive  within the industry.  A
portion of the fee relates to custody, bookkeeping and valuation services and is
based upon a percentage  of Fund and  Portfolio  net assets and a portion of the
fee relates to activity charges, primarily the number of portfolio transactions.
These  fees are then  reduced by a credit for cash  balances  of the  particular
investment  company at the custodian equal to 75% of the 91-day,  U.S.  Treasury
Bill auction rate applied to the particular  investment  company's average daily
collected  balances  for the week.  In view of the  ownership of EVC in IBT, the
Portfolio is treated as a  self-custodian  pursuant to Rule 17f-2 under the 1940
Act, and the Portfolio's  investments  held by IBT as custodian are thus subject
to additional examinations by the Portfolio's independent auditors as called for
by such Rule.  For the period  from the start of  business,  August 1, 1994,  to
December 31, 1994, the Portfolio paid IBT $28,656. For the custody fees that the
Fund paid to IBT,  see  "Fees  and  Expenses"  in Part II of this  Statement  of
Additional Information.

                            SERVICE FOR WITHDRAWAL

    By a  standard  agreement,  the  Trust's  Transfer  Agent  will  send to the
shareholder  regular  monthly or  quarterly  payments  of any  permitted  amount
designated  by  the  shareholder  (see  "Eaton  Vance  Shareholder  Services  --
Withdrawal  Plan" in the Fund's  prospectus)  based upon the value of the shares
held. The checks will be drawn from share  redemptions and hence are a return of
principal.  Income  dividends and capital gain  distributions in connection with
withdrawal  accounts will be credited at net asset value as of the date for each
distribution.  Continued withdrawals in excess of current income will eventually
use up principal, particularly in a period of declining market prices.

    To use this  service,  at  least  $5,000  in cash or  shares  at the  public
offering  price  will  have  to  be  deposited  with  the  Transfer  Agent.  The
maintenance of a withdrawal plan  concurrently with purchases of additional Fund
shares would be disadvantageous if a sales charge is included in such purchases.
A  shareholder  may not have a withdrawal  plan in effect at the same time he or
she has  authorized  Bank  Automated  Investing or is otherwise  making  regular
purchases  of Fund shares.  Either the  shareholder,  the Transfer  Agent or the
Principal  Underwriter will be able to terminate the withdrawal plan at any time
without penalty.
    


                       DETERMINATION OF NET ASSET VALUE

   
    The net asset value of the Portfolio and of shares of the Fund is determined
by the  custodian,  IBT, (as agent for the Fund and the Portfolio) in the manner
described under "Valuing Fund Shares" in the Fund's current Prospectus. The Fund
and the  Portfolio  will be  closed  for  business  and  will  not  price  their
respective shares or interests on the following  business  holidays:  New Year's
Day, Presidents' Day, Good Friday (a New York Stock Exchange holiday),  Memorial
Day, Independence Day, Labor Day, Thanksgiving Day and Christmas Day.

    Each investor in the Portfolio, including the Fund, may add to or reduce its
investment  in the  Portfolio  on each  day the New  York  Stock  Exchange  (the
"Exchange")  is open for trading  ("Portfolio  Business Day") as of the close of
regular trading on the Exchange (the "Portfolio  Valuation Time").  The value of
each investor's  interest in the Portfolio will be determined by multiplying the
net asset value of the  Portfolio  by the  percentage,  determined  on the prior
Portfolio Business Day, which represented that investor's share of the aggregate
interests in the Portfolio on such prior day. Any additions or  withdrawals  for
the  current  Portfolio  Business  Day will then be  recorded.  Each  investor's
percentage of the aggregate interest in the Portfolio will then be recomputed as
a percentage equal to a fraction (i) the numerator of which is the value of such
investor's investment in the Portfolio as of the Portfolio Valuation Time on the
prior  Portfolio  Business Day plus or minus,  as the case may be, the amount of
any additions to or withdrawals from the investor's  investment in the Portfolio
on the current  Portfolio  Business Day and (ii) the denominator of which is the
aggregate net asset value of the Portfolio as of the Portfolio Valuation Time on
the prior  Portfolio  Business Day plus or minus, as the case may be, the amount
of the net  additions to or  withdrawals  from the  aggregate  investment in the
Portfolio  on  the  current  Portfolio  Business  Day by  all  investors  in the
Portfolio.  The  percentage so determined  will then be applied to determine the
value of the  investor's  interest in the  Portfolio  for the current  Portfolio
Business Day.
    


                            INVESTMENT PERFORMANCE

   
    The average  annual total return is determined by multiplying a hypothetical
initial  purchase order of $1,000 by the average annual  compound rate of return
(including  capital  appreciation/depreciation,  and dividends and distributions
paid and  reinvested)  for the stated  period and  annualizing  the result.  The
calculation  assumes that all dividends from net  investment  income and capital
gain  distributions are reinvested at net asset value on the reinvestment  dates
during the period (and either (i) the deduction of the maximum sales charge from
the  initial  $1,000  purchase  order,  or  (ii) a  complete  redemption  of the
investment  and, if applicable,  the deduction of any contingent  deferred sales
charge at the end of the period). For information concerning the total return of
the  Fund,  see  "Performance  Information"  in  Part II of  this  Statement  of
Additional Information.
    

    The Fund's  total  return may be  compared to the  Consumer  Price Index and
various domestic  securities indices,  for example:  Standard & Poor's 400 Stock
Index,  Standard & Poor's 500 Stock Index,  Merrill Lynch U.S. Treasury (15-year
plus) Index, Lehman Brothers  Government/Corporate Bond Index, and the Dow Jones
Industrial  Average.  The Fund's total return and comparisons with these indices
may be used  in  advertisements  and in  information  furnished  to  present  or
prospective shareholders.

   
    Information used in advertisements and in materials  furnished to present or
prospective  shareholders may include  statistics,  data and performance studies
prepared by independent  organizations,  (e.g., Ibbotson Associates,  Standard &
Poor's Ratings Group,  Merrill Lynch, Pierce,  Fenner & Smith, Inc.,  Bloomberg,
L.P., Dow Jones & Company,  Inc., and The Federal  Reserve Board) or included in
various  publications  (e.g., The Wall Street Journal,  Barron's and The Decade:
Wealth of Investments in U.S. Stocks,  Bonds, Bills & Inflation)  reflecting the
investment  performance  or returns  achieved  by various  classes  and types of
investments  (e.g.,  common stocks,  small company stocks,  long-term  corporate
bonds,  long-term  government  bonds,  intermediate-term  government bonds, U.S.
Treasury bills) over various  periods of time.  This  information may be used to
illustrate the benefits of long-term investments in common stocks.

    From time to time,  information about the portfolio  allocation and holdings
of the Portfolio may be included in advertisements  and other material furnished
to present and prospective shareholders.

    The Portfolio's asset allocation on January 31, 1995 was as follows:

                                                          PERCENT OF NET ASSETS
                                                          ---------------------
  Equities                                                         80.0%
  Convertible preferred stocks                                      7.9%
  Fixed income                                                      7.5%
  Cash equivalents                                                  4.6%
                                                                  ------
      Total                                                       100.0%

    The Portfolio's ten largest common stock holdings on January 31, 1995 were:

  COMPANY                                                 PERCENT OF NET ASSETS
  -------                                                 ---------------------
  Exxon Corp.                                                       3.0
  Harcourt General, Inc.                                            2.8
  Great Western Financial                                           2.5
  Reuters Holdings, PLC                                             2.5
  Penney (J.C.) Co. Inc.                                            2.5
  Texas Instruments, Inc.                                           2.4
  MGIC Investment Corp. Wisc.                                       2.3
  Loctite Corp.                                                     2.1
  Intel Corp.                                                       2.1
                                                                    ---
      Total                                                       25.7%

    From time to time, evaluations of the Fund's performance made by independent
sources  (e.g.,  Lipper  Analytical   Services,   Inc.,   CDA/Wiesenberger   and
Morningstar, Inc.) may be used in advertisements and in information furnished to
present or prospective shareholders. See "Performance Information" in Part II of
this Statement of Additional Information.
    

    Information used in advertisements and in materials furnished to present and
prospective shareholders may include statements or illustrations relating to the
appropriateness of types of securities and/or mutual funds which may be employed
to meet specific financial goals, such as (1) funding retirement, (2) paying for
children's education,  and (3) financially supporting aging parents. These three
financial  goals may be referred to in such  advertisements  or materials as the
"Triple Squeeze."

                                    TAXES

   
    See   "Distributions  and  Taxes"  in  the  Fund's  current  Prospectus  and
"Additional Tax Matters" in Part II of this Statement of Additional Information.


    Each series of the Trust is treated as a separate  entity for Federal income
tax purposes. The Fund will elect to be treated and intends to qualify each year
as a regulated  investment  company ("RIC") under the Internal Revenue Code (the
"Code").  Accordingly, the Fund intends to satisfy certain requirements relating
to sources of its income and diversification of its assets and to distribute its
net  investment  income and net realized  capital gains in  accordance  with the
timing  requirements  imposed by the Code, so as to avoid any Federal  income or
excise tax to the Fund.  Because the Fund  invests its assets in the  Portfolio,
the  Portfolio  normally  must  satisfy  the  applicable  source of  income  and
diversification  requirements  in  order  for the  Fund  to  satisfy  them.  The
Portfolio will allocate at least  annually  among its  investors,  including the
Fund, the Portfolio's net investment income, net realized capital gains, and any
other items of income,  gain, loss, deduction or credit. The Portfolio will make
allocations to the Fund in accordance  with the Code and applicable  regulations
and will make  moneys  available  for  withdrawal  at  appropriate  times and in
sufficient   amounts  to  enable  the  Fund  to  satisfy  the  tax  distribution
requirements that apply to the Fund and that must be satisfied in order to avoid
Federal  income  and/or  excise tax on the Fund.  For  purposes of applying  the
requirements  of the Code  regarding  qualification  as a RIC,  the Fund will be
deemed (i) to own its proportionate share of each of the assets of the Portfolio
and (ii) to be entitled to the gross  income of the  Portfolio  attributable  to
such share.

    In  order to avoid  Federal  excise  tax,  the Code  requires  that the Fund
distribute  by December 31 of each  calendar  year at least 98% of its  ordinary
income (not including  tax-exempt income) for such year, and at least 98% of the
excess of its realized  capital gains over its realized  capital  losses,  after
reduction by any available  capital loss  carryforwards,  and 100% of any income
from the prior year (as  previously  computed) that was not paid out during such
year and on which the Fund paid no Federal  income tax.  Further,  under current
law,  provided that the Fund  qualifies as a RIC for Federal income tax purposes
and the Portfolio is treated as a partnership for  Massachusetts and Federal tax
purposes, neither the Fund nor the Portfolio is liable for any income, corporate
excise or franchise tax in the Commonwealth of Massachusetts.

    The Portfolio's transactions in options will be subject to special tax rules
that may affect the amount, timing and character of distributions.  For example,
certain  positions  held  by  the  Portfolio  that  substantially  diminish  the
Portfolio's  risk of loss with respect to other  positions in its  portfolio may
constitute  "straddles,"  which are subject to tax rules that may cause deferral
of Portfolio losses,  adjustments in the holding period of portfolio  securities
and conversion of short-term into long-term capital losses.

    Income from transactions in options derived by the Portfolio with respect to
its business of investing in securities  will qualify as permissible  income for
its investors that are RICs under the  requirement  that at least 90% of a RIC's
gross income each taxable year consists of specified  types of income.  However,
income  from the  Portfolio's  disposition  of options  held for less than three
months will be subject to the  requirement  applicable to those  investors  that
less than 30% of a RIC's  gross  income  each  taxable  year  consist of certain
short-term gains ("Short-Short Limitation").

    If the Portfolio satisfies certain requirements,  any increase in value of a
position that is part of a "designated  hedge" will be offset by any decrease in
value (whether  realized or not) of the offsetting  hedging  position during the
period  of the  hedge  for  purposes  of  determining  whether  the  Portfolio's
investors that are RICs satisfy the Short-Short  Limitation.  Thus, only the net
gain (if any) from the  designated  hedge will be included  in gross  income for
purposes of that limitation.  The Portfolio will consider whether it should seek
to qualify for this  treatment for its hedging  transactions.  To the extent the
Portfolio  does not so  qualify,  it may be forced to defer the  closing  out of
options  beyond the time when it otherwise  would be  advantageous  to do so, in
order for its investors that are RICs to continue to qualify as such.

    Distributions  of net  investment  income and the  excess of net  short-term
capital  gains over net  long-term  capital  losses  earned by the Portfolio and
allocated to the Fund are taxable to shareholders of the Fund as ordinary income
whether received in cash or in additional shares. Distributions of the excess of
net long-term  capital gains over net short-term  capital losses  (including any
capital  losses  carried  forward from prior years)  earned by the Portfolio and
allocated to the Fund by the Portfolio are taxable to  shareholders  of the Fund
as long-term capital gains, whether received in cash or in additional shares and
regardless  of the  length of time  their  shares  of the Fund  have been  held.
Certain  distributions  declared in October,  November or December  and paid the
following  January will be paid to shareholders as if received on December 31 in
the year in which they are declared.
    

    A portion of distributions made by the Fund which are derived from dividends
received by the Portfolio from domestic  corporations  and allocated to the Fund
may  qualify  for  the  dividends-received   deduction  for  corporations.   The
dividends-received deduction for corporate shareholders is reduced to the extent
the shares of the Fund with  respect to which the  dividends  are  received  are
treated as  debt-financed  under the Federal income tax law and is eliminated if
the  shares  are  deemed to have been  held for less  than 46 days.  Receipt  of
certain  distributions  qualifying  for the deduction may result in reduction of
tax basis of the corporate shareholder's shares.  Distributions eligible for the
dividends-received deduction may give rise to or increase an alternative minimum
tax for corporations.

   
    Any loss realized upon the redemption or exchange of shares of the Fund with
a tax holding period of 6 months or less will be treated as a long-term  capital
loss to the  extent of any  distribution  of net  long-term  capital  gains with
respect to such shares.  In addition,  a loss  realized on a redemption  of Fund
shares may be disallowed  under certain "wash sale" rules if other shares of the
Fund are  acquired  within a period  beginning 30 days before and ending 30 days
after  the date of such  redemption.  Any  disallowed  loss  will  result  in an
adjustment  to the  shareholder's  tax basis in some or all of the other  shares
acquired.

    The  Portfolio may be subject to foreign  withholding  taxes with respect to
income on certain foreign  securities.  These taxes may be reduced or eliminated
under the terms of an applicable U.S.  income tax treaty.  As it is not expected
that more than 50% of the value of the  total  assets of the Fund,  taking  into
account its allocable share of the Portfolio's total assets, at the close of any
taxable  year  of  the  Fund  will  consist  of  securities  issued  by  foreign
corporations,  the Fund will not be  eligible  to pass  through to  shareholders
their  proportionate  share  of any  foreign  taxes  paid by the  Portfolio  and
allocated to the Fund, with the result that shareholders of the Fund will not be
entitled  to foreign  tax credits or  deductions  for foreign  taxes paid by the
Portfolio and allocated to the Fund.  Certain foreign  exchange gains and lossed
realized by the  Portfolio and allocated to the Fund will be treated as ordinary
income and losses.  Certain  uses of foreign  currency  and  investments  by the
Portfolio in certain "passive foreign investment  companies" may be limited or a
tax  election  may be  made,  if  available,  in order to  preserve  the  Fund's
qualification as a RIC and/or avoid imposition of a tax on the Fund.
    

    Special tax rules apply to Individual Retirement Accounts ("IRAs") and other
retirement plans and persons  investing  through such plans should consult their
tax advisers for more information.  The deductibility of such  contributions may
be restricted or eliminated for particular shareholders.

   
    Amounts paid by the Fund to individuals and certain other  shareholders  who
have not provided the Fund with their correct taxpayer identification number and
certain required  certifications,  as well as shareholders  with respect to whom
the Fund has  received  notification  from the  Internal  Revenue  Service  or a
broker,  may be subject to "backup"  withholding  of Federal income tax from the
Fund's dividends and  distributions  and the proceeds of redemptions  (including
repurchases  and  exchanges)  at  a  rate  of  31%.  An  individual's   taxpayer
identification number is generally his or her social security number.
    

    Non-resident  alien  individuals and certain foreign  corporations and other
foreign entities  generally will be subject to a U.S.  withholding tax at a rate
of 30% on the Fund's  distributions  from its ordinary  income and the excess of
its net short-term  capital gain over its net long-term capital loss, unless the
tax is reduced or eliminated by an applicable tax treaty. Distributions from the
excess of the Fund's net long-term capital gain over its net short-term  capital
loss  received  by such  shareholders  and  any  gain  from  the  sale or  other
disposition of shares of the Fund generally will not be subject to U.S.  Federal
income taxation,  provided that non-resident  alien status has been certified by
the  shareholder.  Different U.S. tax consequences may result if the shareholder
is engaged in a trade or business in the United States, is present in the United
States for a sufficient  period of time during a taxable year to be treated as a
U.S. resident, or fails to provide any required certifications  regarding status
as a non-resident alien investor.  Foreign shareholders should consult their tax
advisers regarding the U.S. and foreign tax consequences of an investment in the
Fund.

    The foregoing  discussion does not address the special tax rules  applicable
to certain classes of investors,  such as retirement plans, tax-exempt entities,
insurance  companies and financial  institutions.  Shareholders  should  consult
their own tax advisers with respect to special tax rules that may apply in their
particular  situations,  as well as the state, local or foreign tax consequences
of investing in the Fund.


                       PORTFOLIO SECURITY TRANSACTIONS

    Decisions concerning the execution of portfolio security transactions of the
Portfolio, including the selection of the market and the broker-dealer firm, are
made by BMR. BMR is also  responsible for the execution of transactions  for all
other accounts managed by it.

    BMR places  the  security  transactions  of the  Portfolio  and of all other
accounts managed by it for execution with many broker-dealer firms. BMR uses its
best efforts to obtain  execution of portfolio  transactions at prices which are
advantageous to the Portfolio and (when a disclosed commission is being charged)
at reasonably competitive commission rates. In seeking such execution,  BMR will
use its best judgment in evaluating  the terms of a  transaction,  and will give
consideration to various relevant factors, including without limitation the size
and type of the transaction,  the general execution and operational capabilities
of the  broker-dealer,  the nature and character of the market for the security,
the confidentiality, speed and certainty of effective execution required for the
transaction, the reputation,  reliability, experience and financial condition of
the   broker-dealer,   the  value  and  quality  of  services  rendered  by  the
broker-dealer in other  transactions,  and the reasonableness of the commission,
if  any.  Transactions  on  United  States  stock  exchanges  and  other  agency
transactions  involve  the  payment by the  Portfolio  of  negotiated  brokerage
commissions.  Such commissions vary among different  broker-dealer  firms, and a
particular  broker-dealer  may charge  different  commissions  according to such
factors as the difficulty and size of the transaction and the volume of business
done with such broker-dealer. Transactions in foreign securities usually involve
the payment of fixed  brokerage  commissions,  which are  generally  higher than
those in the United States.  There is generally no stated commission in the case
of  securities  traded in the  over-the-counter  markets,  but the price paid or
received by the  Portfolio  usually  includes an  undisclosed  dealer  markup or
markdown.  In an  underwritten  offering the price paid by the  Portfolio  often
includes a disclosed fixed commission or discount retained by the underwriter or
dealer.  Although  commissions paid on portfolio security  transactions will, in
the  judgment of BMR,  be  reasonable  in relation to the value of the  services
provided,  commissions  exceeding  those which  another firm might charge may be
paid to  broker-dealers  who were selected to execute  transactions on behalf of
the  Portfolio  and BMR's  other  clients in part for  providing  brokerage  and
research services to BMR.

    As  authorized in Section  28(e) of the  Securities  Exchange Act of 1934, a
broker or dealer who executes a portfolio transaction on behalf of the Portfolio
may receive a commission which is in excess of the amount of commission  another
broker or dealer  would have  charged  for  effecting  that  transaction  if BMR
determines in good faith that such  commission was reasonable in relation to the
value of the brokerage and research services provided. This determination may be
made on the basis of either that  particular  transaction or on the basis of the
overall  responsibilities  which BMR and its  affiliates  have for accounts over
which they exercise investment discretion. In making any such determination, BMR
will not attempt to place a specific  dollar value on the brokerage and research
services  provided or to  determine  what  portion of the  commission  should be
related to such services.  Brokerage and research services may include advice as
to the value of securities,  the  advisability of investing in,  purchasing,  or
selling securities,  and the availability of securities or purchasers or sellers
of securities;  furnishing analyses and reports concerning issuers,  industries,
securities,  economic factors and trends, portfolio strategy and the performance
of accounts;  and effecting  securities  transactions  and performing  functions
incidental  thereto  (such  as  clearance  and  settlement);  and the  "Research
Services" referred to in the next paragraph.

   
    It is a common practice in the investment advisory industry for the advisers
of investment  companies,  institutions and other investors to receive research,
statistical  and  quotation  services,  data,  information  and other  services,
products and materials  which assist such advisers in the  performance  of their
investment responsibilities ("Research Services") from broker-dealer firms which
execute  portfolio  transactions for the clients of such advisers and from third
parties with which these broker-dealers have arrangements.  Consistent with this
practice,  BMR receives  Research  Services from many  broker-dealer  firms with
which BMR places the  Portfolio  transactions  and from third parties with which
these  broker-dealers  have  arrangements.  These Research Services include such
matters as general  economic and market reviews,  industry and company  reviews,
evaluations   of  securities   and  portfolio   strategies   and   transactions,
recommendations  as to the purchase and sale of securities  and other  portfolio
transactions,  financial, industry and trade publications,  news and information
services,  pricing and quotation  equipment and services,  and research oriented
computer hardware,  software,  data bases and services.  Any particular Research
Service obtained  through a broker-dealer  may be used by BMR in connection with
client  accounts  other  than  those  accounts  which  pay  commissions  to such
broker-dealer.  Any such Research  Service may be broadly useful and of value to
BMR in rendering investment advisory services to all or a significant portion of
its  clients,  or may be  relevant  and  useful for the  management  of only one
client's  account  or of a few  clients'  accounts,  or may be  useful  for  the
management  of merely a segment  of certain  clients'  accounts,  regardless  of
whether  any such  account or accounts  paid  commissions  to the  broker-dealer
through which such Research  Service was obtained.  The advisory fee paid by the
Portfolio  is not reduced  because BMR  receives  such  Research  Services.  BMR
evaluates  the nature and  quality of the  various  Research  Services  obtained
through  broker-dealer firms and attempts to allocate sufficient  commissions to
such  firms to ensure  the  continued  receipt of  Research  Services  which BMR
believes are useful or of value to it in rendering  investment advisory services
to its clients.
    

    Subject to the  requirement  that BMR shall use its best  efforts to seek to
execute Portfolio security transactions at advantageous prices and at reasonably
competitive  commission  rates or spreads,  BMR is  authorized  to consider as a
factor in the selection of any broker-dealer firm with whom Portfolio orders may
be placed the fact that such firm has sold or is  selling  shares of the Fund or
of other investment  companies  sponsored by BMR or Eaton Vance.  This policy is
not inconsistent with a rule of the National  Association of Securities Dealers,
Inc.,  which rule  provides  that no firm  which is a member of the  Association
shall favor or disfavor the distribution of shares of any particular  investment
company or group of investment  companies on the basis of brokerage  commissions
received or expected by such firm from any source.

   
    Securities   considered  as  investments  for  the  Portfolio  may  also  be
appropriate for other investment accounts managed by BMR or its affiliates.  BMR
will attempt to allocate  equitably  portfolio  security  transactions among the
Portfolio and the portfolios of its other investment accounts whenever decisions
are made to purchase or sell securities by the Portfolio and one or more of such
other accounts simultaneously.  In making such allocations,  the main factors to
be considered are the respective investment objectives of the Portfolio and such
other  accounts,  the  relative  size  of  portfolio  holdings  of the  same  or
comparable securities,  the availability of cash for investment by the Portfolio
and such  accounts,  the size of investment  commitments  generally  held by the
Portfolio  and such  accounts  and the opinions of the persons  responsible  for
recommending  investments  to  the  Portfolio  and  such  accounts.  While  this
procedure  could  have a  detrimental  effect  on the  price  or  amount  of the
securities  available to the  Portfolio  from time to time, it is the opinion of
the Trustees of the Trust and the Portfolio that the benefits available from the
BMR  organization  outweigh  any  disadvantage  that may arise from  exposure to
simultaneous transactions.  For the period from the start of business, August 1,
1994, to December 31, 1994, the Portfolio paid brokerage  commissions of $83,750
on portfolio securities  transactions.  Of the total brokerage commissions paid,
approximately $68,432 was paid in respect of portfolio transactions  aggregating
approximately  $36,120,800 to firms which provided some research services to BMR
(although  many  of  such  firms  may  have  been  selected  in  any  particular
transaction primarily because of their execution capabilities).
    


                              OTHER INFORMATION

   
    On July 27, 1994,  the Trust changed its name from Eaton Vance Stock Fund to
Eaton  Vance  Securities  Trust.  The Trust is a  Massachusetts  business  trust
established in 1990 as the successor to Eaton Vance Stock Fund, a  Massachusetts
business trust that was established  under  Massachusetts law by an Indenture of
Trust  dated  August 26,  1931.  The Trust  changed its name from Eaton & Howard
Stock Fund on April 18, 1989.  Eaton Vance,  pursuant to its agreement  with the
Trust,  controls the use of the words "Eaton  Vance" in the Trust's name and may
use the words "Eaton Vance" in other connections and for other purposes.
    

    The  Trust's  Declaration  of Trust  may be  amended  by the  Trustees  when
authorized  by vote of a majority of the  outstanding  voting  securities of the
Trust affected by the amendment.  The Trustees may also amend the Declaration of
Trust  without  the vote or  consent of  shareholders  to change the name of the
Trust or to make such other changes as do not have a materially  adverse  effect
on the rights or  interests  of  shareholders  or if they deem it  necessary  to
conform the  Declaration  to the  requirements  of  applicable  Federal  laws or
regulations.  The  Trust's  by-laws  provide  that the Fund will  indemnify  its
Trustees and officers  against  liabilities and expenses  incurred in connection
with any litigation or proceeding in which they may be involved because of their
offices  with the Trust.  However,  no  indemnification  will be provided to any
Trustee or officer for any liability to the Trust or its  shareholders by reason
of willful misfeasance, bad faith, gross negligence or reckless disregard of the
duties involved in the conduct of his office.

   
    Under  Massachusetts law, if certain conditions  prevail,  shareholders of a
Massachusetts  business  trust  (such  as the  Trust)  could be  deemed  to have
personal  liability  for  the  obligations  of the  Trust.  Numerous  investment
companies  registered  under  the 1940 Act have  been  formed  as  Massachusetts
business trusts, and management is not aware of an instance where such liability
has  been  imposed.  The  Trust's  Declaration  of  Trust  contains  an  express
disclaimer  of  liability on the part of the Fund  shareholders  and the Trust's
By-laws  provide  that the Trust shall  assume the defense on behalf of any Fund
shareholders. Moreover, the Trust's By-laws also provide for indemnification out
of the property of the Fund of any shareholder held personally  liable solely by
reason of being or having  been a  shareholder  for all loss or expense  arising
from such  liability.  The assets of the Fund are  readily  marketable  and will
ordinarily  substantially exceed its liabilities.  In light of the nature of the
Fund's  business  and the nature of its  assets,  management  believes  that the
possibility  of the Fund's  liability  exceeding  its assets,  and therefore the
shareholder's risk of personal liability, is extremely remote.

    As permitted by  Massachusetts  law,  there will  normally be no meetings of
shareholders for the purpose of electing  Trustees unless and until such time as
less than a majority  of the  Trustees  of the Trust  holding  office  have been
elected by shareholders.  In such an event the Trustees then in office will call
a shareholders'  meeting for the election of Trustees.  Except for the foregoing
circumstances  and unless  removed by action of the  shareholders  in accordance
with the Trust's  By-laws,  the Trustees  shall  continue to hold office and may
appoint successor Trustees.

    The  Trust's  By-laws  provide  that no person  shall  serve as a Trustee if
shareholders  holding two-thirds of the outstanding shares have removed him from
that office either by a written  declaration filed with the Trust's custodian or
by votes cast at a meeting called for that purpose.  The By-laws further provide
that under certain circumstances the shareholders may call a meeting to remove a
Trustee and that the Trust is required to provide  assistance  in  communicating
with shareholders about such a meeting.

    In accordance  with the  Declaration of Trust of the  Portfolio,  there will
normally be no meetings of the  investors  for the purpose of electing  Trustees
unless  and until  such  time as less than a  majority  of the  Trustees  of the
Portfolio  holding  office have been elected by investors.  In such an event the
Trustees  then in office will call an  investors'  meeting  for the  election of
Trustees. Except for the foregoing circumstances and unless removed by action of
the investors in  accordance  with the  Portfolio's  Declaration  of Trust,  the
Trustees shall continue to hold office and may appoint successor Trustees.
    

    The  Declaration  of Trust of the  Portfolio  provides  that no person shall
serve as a Trustee if investors holding two-thirds of the outstanding  interests
have removed him from that office either by a written declaration filed with the
Portfolio's custodian or by votes cast at a meeting called for that purpose. The
Declaration  of Trust  further  provides that under  certain  circumstances  the
investors  may call a  meeting  to remove a Trustee  and that the  Portfolio  is
required to provide  assistance in  communicating  with  investors  about such a
meeting.

   
    The right to redeem can be suspended and the payment of the redemption price
deferred  when the  Exchange  is closed  (other than for  customary  weekend and
holiday closings),  during periods when trading on the Exchange is restricted as
determined by the Securities and Exchange Commission, or during any emergency as
determined by the Commission which makes it  impracticable  for the Portfolio to
dispose  of its  securities  or value its  assets,  or during  any other  period
permitted by order of the Commission for the protection of investors.
    

                           INDEPENDENT ACCOUNTANTS

   
    Coopers & Lybrand L.L.P., One Post Office Square, Boston, Massachusetts, are
the  independent  accountants  for the Fund and the Portfolio,  providing  audit
services,  tax return preparation,  and assistance and consultation with respect
to the preparation of filings with the Securities and Exchange Commission.
    

    For the financial  statements  of the Fund and the Portfolio see  "Financial
Statements" in Part II of this Statement of Additional Information.




                     STATEMENT OF ADDITIONAL INFORMATION
                                   PART II

    This Part II provides  information  about EV CLASSIC  STOCK  FUND.  The Fund
became a series of the Trust on July 27, 1994.


                              FEES AND EXPENSES
ADMINISTRATOR

   
    As stated under  "Investment  Adviser and  Administrator"  in Part I of this
Statement of Additional Information,  the Administrator receives no compensation
for providing administrative services to the Fund. For the period from the start
of  business,  November 4, 1994,  to  December  31,  1994,  $3,165 of the Fund's
operating expenses were allocated to the Administrator.


DISTRIBUTION PLAN

    The  Distribution  Plan and  Distribution  Agreement  remain in effect until
April 28, 1995 and may be continued as described  under  "Distribution  Plan" in
the Prospectus. Pursuant to Rule 12b-1, the Plan has been approved by the Fund's
initial sole shareholder (Eaton Vance) and by the Board of Trustees of the Trust
as required by Rule 12b-1.  For the period from the start of business,  November
4, 1994, to December 31, 1994, the Fund accrued sales commission  payments under
the Plan  aggregating  $59, of which $43 was paid to the Principal  Underwriter.
The Principal  Underwriter paid $9 as sales  commissions to Authorized Firms and
the balance was retained by the Principal Underwriter.  As at December 31, 1994,
the  outstanding  uncovered  distribution  charges of the Principal  Underwriter
calculated  under the Plan  amounted to  approximately  $8,794 (which amount was
equivalent  to 6.04% of the Fund's net assets on such day).  For the period from
the start of business,  November 4, 1994, to December 31, 1994, the Fund accrued
service fee payments  under the Plan  aggregating  $20, of which $14 was paid to
the  Principal  Underwriter.  The Principal  Underwriter  paid $3 as service fee
payments  to  Authorized  Firms and the balance  was  retained by the  Principal
Underwriter.
    


PRINCIPAL UNDERWRITER

   
    For the period from the start of business, November 4, 1994, to December 31,
1994, the Fund paid no repurchase transaction fees to the Principal Underwriter.
    


CUSTODIAN

   
    For the period from the start of business, November 4, 1994, to December 31,
1994, the Fund paid IBT $250.


<TABLE>
<CAPTION>

TRUSTEES

    The fees and expenses of those  Trustees of the Trust and of the  Portfolio who are not members of the
Eaton  Vance  organization  are paid by the Fund (and the other  series of the Trust)  and the  Portfolio,
respectively.  During the fiscal year ended December 31, 1994, the Trustees of the Trust and the Portfolio
earned the following  compensation  in their  capacities as Trustees from the Fund,  the Portfolio and the
other  funds in the Eaton  Vance fund  complex<F1>:

                           AGGREGATE         AGGREGATE           RETIREMENT          TOTAL COMPENSATION
                          COMPENSATION      COMPENSATION       BENEFIT ACCRUED         FROM TRUST AND
NAME                       FROM FUND       FROM PORTFOLIO     FROM FUND COMPLEX         FUND COMPLEX
----                    ----------------  ----------------  ---------------------  ----------------------
<S>                        <C>                <C>                  <C>                    <C>     
Donald R. Dwight  ....     $ -- 0 --          $297<F2>             $8,750                 $135,000
Samuel L. Hayes, III .       -- 0 --           302<F3>              8,864                  142,500
Norton H. Reamer .....       -- 0 --           318                 -- 0 --                 135,000
John L. Thorndike ....       -- 0 --           338                 -- 0 --                 140,000
Jack L. Treynor ......       -- 0 --           301                 -- 0 --                 140,000
---------
<FN>

<F1>The Eaton Vance fund complex consists of 201 registered investment companies or series thereof.

<F2>Includes $98 of deferred compensation.

<F3>Includes $101 of deferred compensation.
</TABLE>


                            PRINCIPAL UNDERWRITER

    Under the Distribution Agreement the Principal Underwriter acts as principal
in selling shares of the Fund. The expenses of printing  copies of  prospectuses
used to  offer  shares  to  Authorized  Firms or  investors  and  other  selling
literature and of advertising  is borne by the Principal  Underwriter.  The fees
and expenses of qualifying and registering and  maintaining  qualifications  and
registrations of the Fund and its shares under Federal and state securities laws
is borne by the Fund.  In  addition,  the Fund makes  payments to the  Principal
Underwriter pursuant to its Distribution Plan as described in the Fund's current
Prospectus; the provisions of the plan relating to such payments are included in
the Distribution Agreement.  The Distribution Agreement is renewable annually by
the Trust's Board of Trustees  (including a majority of its Trustees who are not
interested  persons  of the Trust and who have no direct or  indirect  financial
interest in the operation of the Fund's  Distribution  Plan or the  Distribution
Agreement),  may be  terminated on sixty days' notice either by such Trustees or
by vote of a majority of the outstanding voting securities of the Fund or on six
months' notice by the Principal Underwriter and is automatically terminated upon
assignment.  The  Principal  Underwriter  distributes  Fund  shares  on a  "best
efforts"  basis  under which it is required to take and pay for only such shares
as may be sold.

    The Fund has  authorized  Eaton Vance  Distributors,  Inc.  (the  "Principal
Underwriter")  to act as its agent in  repurchasing  shares at the rate of $2.50
for each  repurchase  transaction  handled  by the  Principal  Underwriter.  The
Principal  Underwriter  estimates that the expenses  incurred by it in acting as
repurchase agent for the Fund will exceed the amounts paid therefor by the Fund.
    

                              DISTRIBUTION PLAN

    The  Distribution  Plan ("the Plan") is described in the  Prospectus  and is
designed to meet the requirements of Rule 12b-1 under the 1940 Act and the sales
charge rule of the National  Association of Securities Dealers,  Inc. (the "NASD
Rule").  The purpose of the Plan is to compensate the Principal  Underwriter for
its  distribution  services  and  facilities  provided to the Fund by paying the
Principal  Underwriter  sales  commissions  and a separate  distribution  fee in
connection with sales of Fund shares.  The following  supplements the discussion
of the Plan contained in the Fund's Prospectus.

   
    In  calculating  daily  the  amount  of  uncovered   distribution   charges,
distribution  charges will include the aggregate amount of sales commissions and
distribution   fees   theretofore  paid  plus  the  aggregate  amount  of  sales
commissions and distribution fees which the Principal Underwriter is entitled to
be paid under the Plan since its inception. Payments theretofore paid or payable
under the Plan by the Fund to the Principal  Underwriter and contingent deferred
sales charges  theretofore paid or payable to the Principal  Underwriter will be
subtracted from such distribution  charges; if the result of such subtraction is
positive,  a distribution  fee (computed at 1% over the prime rate then reported
in The Wall Street  Journal) will be computed on such amount and added  thereto,
with  the  resulting  sum  constituting  the  amount  of  outstanding  uncovered
distribution  charges  with  respect  to such day.  The  amount  of  outstanding
uncovered  distribution charges of the Principal  Underwriter  calculated on any
day does not constitute a liability recorded on the financial  statements of the
Fund.

    It is anticipated that the Eaton Vance organization will profit by reason of
the  operation  of the Plan  through an increase in the Fund's  assets  (thereby
increasing the advisory fee payable to BMR by the Portfolio) resulting from sale
of Fund  shares and  through  the  amounts  paid to the  Principal  Underwriter,
including  contingent  deferred sales  charges,  pursuant to the Plan. The Eaton
Vance organization may be considered to have realized a profit under the Plan if
at any point in time the aggregate amounts theretofore received by the Principal
Underwriter  under the Plan and from  contingent  deferred  sales  charges  have
exceeded  the  total  expenses  theretofore  incurred  by such  organization  in
distributing shares of the Fund. Total expenses for this purpose will include an
allocable  portion of the  overhead  costs of such  organization  and its branch
offices,   which  costs  will  include  without   limitation   leasing  expense,
depreciation  of building and equipment,  utilities,  communication  and postage
expense, compensation and benefits of personnel, travel and promotional expense,
stationery  and supplies,  literature  and sales aids,  interest  expense,  data
processing  fees,  consulting and temporary help costs,  insurance,  taxes other
than income taxes, legal and auditing expense and other  miscellaneous  overhead
items.  Overhead is calculated and allocated for such purpose by the Eaton Vance
organization in a manner deemed equitable to the Fund.

    The amount of uncovered distribution charges of the Principal Underwriter at
any particular time depends upon various changing  factors,  including the level
and timing of sales of Fund shares, the nature of such sales (i.e., whether they
result from  exchange  transactions,  reinvestments  or from cash sales  through
Authorized Firms), the level and timing of redemptions of Fund shares upon which
a  contingent  deferred  sales  charge will be imposed,  the level and timing of
redemptions  of Fund shares upon which no contingent  deferred sales charge will
be imposed (including  redemptions involving exchanges of Fund shares for shares
of another  fund in the Eaton Vance  Classic  Group of Funds  which  result in a
reduction of uncovered  distribution  charges),  changes in the level of the net
assets of the Fund, and changes in the interest rate used in the  calculation of
the distribution fee under the Plan. (For shares sold prior to January 30, 1995,
Plan  payments are as follows:  the  Principal  Underwriter  pays monthly  sales
commissions  and  service  fee  payments  to  Authorized   Firms  equivalent  to
approximately .75% and .25%,  respectively,  annualized of the assets maintained
in the Fund by their  customers  beginning at the time of sale. No payments were
made at the time of sale and there is no contingent  deferred sales charge.) For
the sales  commission  payments made by the Fund and the  outstanding  uncovered
distribution  changes of the  Principal  Underwriter,  see "Fees and Expenses --
Distribution  Plan" in this Part II. The Plan also  authorizes  the Fund to make
payments of service fees. For additional information concerning the service fee,
see "Fees and Expenses -- Distribution Plan" in Part II.

    Under the Plan the President or a Vice  President of the Trust shall provide
to the  Trustees  for  their  review,  and the  Trustees  shall  review at least
quarterly,  a  written  report  of the  amount  expended  under the Plan and the
purposes for which such  expenditures  were made. The Plan may not be amended to
increase  materially  the payments  described  therein  without  approval of the
shareholders  of the Fund, and all material  amendments of the Plan must also be
approved by the  Trustees  as required by Rule 12b-1.  So long as the Plan is in
effect,  the selection and nomination of Trustees who are not interested persons
of the Trust shall be  committed to the  discretion  of the Trustees who are not
such interested persons.

    The Trustees of the Trust believe that the Plan will be a significant factor
in the  expected  growth of the  Fund's  assets,  and will  result in  increased
investment  flexibility  and  advantages  which  will  benefit  the Fund and its
shareholders.  Payments for sales  commissions and distribution fees made to the
Principal  Underwriter under the Plan will compensate the Principal  Underwriter
for its services and expenses in  distributing  shares of the Fund.  Service fee
payments made to the Principal  Underwriter and Authorized  Firms under the Plan
provide incentives to provide continuing  personal services to investors and the
maintenance of shareholder  accounts.  By providing  incentives to the Principal
Underwriter  and  Authorized  Firms,  the  Plan is  expected  to  result  in the
maintenance of, and possible future growth in, the assets of the Fund.  Based on
the  foregoing  and other  relevant  factors,  the  Trustees  of the Trust  have
determined that in their judgment there is a reasonable likelihood that the Plan
will benefit the Fund and its shareholders.

                           PERFORMANCE INFORMATION

    The  tables  below   indicate  the  total  return   (capital   changes  plus
reinvestment of all distributions) on a hypothetical investment of $1,000 in the
Fund covering the life of the Fund from November 4, 1994 to December 31, 1994.

                         VALUE OF A $1,000 INVESTMENT
  ------------------------------------------------------------------------------
                                              VALUE OF
                  INVESTMENT   AMOUNT OF     INVESTMENT        TOTAL RETURN
INVESTMENT PERIOD    DATE      INVESTMENT    ON 12/31/94  CUMULATIVE  ANNUALIZED
--------------------------------------------------------------------------------
Life of the Fund*  11/04/94    $1,000.00      $987.00**    -1.30%**      --


                              PERCENTAGE CHANGES
                    NOVEMBER 4, 1994 -- DECEMBER 31, 1994

                                    NET ASSET VALUE TO NET ASSET VALUE
                                    WITH ALL DISTRIBUTIONS REINVESTED
    PERIOD         -------------------------------------------------------------
     ENDED             ANNUAL         CUMULATIVE               AVERAGE ANNUAL
  ------------------------------------------------------------------------------
   12/31/94*            --             -1.30%**                      --
    

    Past performance is not indicative of future results.  Investment return and
principal value will fluctuate; shares, when redeemed, may be worth more or less
than their original cost.
---------
 *Investment operations began on November 4, 1994.

   
**If a portion of the Fund's expenses had not been subsidized and the contingent
  deferred sales charge  applicable to shares  purchased on or after January 30,
  1995 had been imposed, the Fund would have had lower returns.
    

                            ADDITIONAL TAX MATTERS

   
The Fund  qualified  as a regulated  investment  company  under the Code for its
  fiscal year ended December 31, 1994 (see the Notes to Financial Statements).


             CONTROL  PERSONS  AND  PRINCIPAL  HOLDERS  OF  SECURITIES

    As of February 28, 1995, the Trustees and officers of the Trust, as a group,
owned in the aggregate less than 1% of the outstanding shares of the Fund. As of
February  28,  1995,  Eaton Vance owned 26.9% of the  outstanding  shares of the
Fund;  Eaton  Vance  is  a  Massachusetts  business  trust  and  a  wholly-owned
subsidiary of EVC. In addition,  the following  shareholders  owned beneficially
and of record the percentages of outstanding  shares of the Fund indicated after
their  names:  Frontier  Trust Co.,  FBO West Florida  Pharmacies  Inc.,  401(k)
Savings & Retirement Plan, c/o The Barclay Group,  Ambler, PA (20.9%);  Frontier
Trust Co., FBO City Bank & Trust Retirement Plan, c/o The Barclay Group, Ambler,
PA (16.6%);  Frontier  Trust Co., FBO Cotter Cotter & Sohon PC, 401(k) Savings &
Retirement Plan, c/o The Barclay Group, Ambler, PA (16.2%);  Frontier Trust Co.,
FBO Panama  Pharmacy Inc.,  401(k) Savings and Retirement  Plan, c/o The Barclay
Group, Ambler, PA (9.7%); and Cheryl Lynn Hawryrliak,  Rochester,  NY (5.8%). To
the Trust's  knowledge,  no other person owned of record or  beneficially  5% or
more of the Fund's outstanding shares on such date.



                             FINANCIAL STATEMENTS

    Registrant  incorporates by reference the audited financial  information for
the Fund and the Portfolio  contained in the Fund's  shareholder  report for the
fiscal year ended December 31, 1994 as previously filed  electronically with the
Securities and Exchange Commission (Accession Number 0000950156-95- 000115).
    

<PAGE>
INVESTMENT ADVISER OF
STOCK PORTFOLIO
Boston Management and Research
24 Federal Street
Boston, MA 02110

ADMINISTRATOR OF
EV CLASSIC
STOCK FUND
Eaton Vance Management
24 Federal Street
Boston, MA 02110

PRINCIPAL UNDERWRITER
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(800) 225-6265

CUSTODIAN
Investors Bank & Trust Company
24 Federal Street
Boston, MA 02110

TRANSFER AGENT
The Shareholder Services Group, Inc.
BOS725
P.O. Box 1559
Boston, MA 02104
(800) 262-1122

INDEPENDENT ACCOUNTANTS
Coopers & Lybrand L.L.P.
One Post Office Square
Boston, MA 02109


EV CLASSIC STOCK FUND
24 FEDERAL STREET
BOSTON, MA 02110

EV CLASSIC STOCK FUND

STATEMENT OF
ADDITIONAL
INFORMATION
APRIL 1, 1995




C-STSAI


<PAGE>
                     STATEMENT OF ADDITIONAL INFORMATION
                                   PART II

    This Part II provides  information  about EV MARATHON  STOCK FUND.  The Fund
became a series of the Trust on July 27, 1994.

   
                              FEES AND EXPENSES
ADMINISTRATOR

    As stated under "Investment Adviser and Administrator" in Part I of this
Statement of Additional Information, the Administrator receives no
compensation for providing administrative services to the Fund. For the period
from the start of business, August 17, 1994, to December 31, 1994, $1,369 of
the Fund's operating expenses were allocated to the Administrator.

DISTRIBUTION PLAN

    The  Distribution  Plan and  Distribution  Agreement  remain in effect until
April 28, 1995 and may be continued as described  under  "Distribution  Plan" in
the Prospectus. Pursuant to Rule 12b-1, the Plan has been approved by the Fund's
initial sole shareholder (Eaton Vance) and by the Board of Trustees of the Trust
as required by Rule 12b-1. For the period from the start of business, August 17,
1994, to December 31, 1994,  the Fund made sales  commission  payments under the
Plan to the Principal  Underwriter  aggregating $1,818, which amount was used by
the Principal  Underwriter  to partially  defray sales  commissions  aggregating
$4,435 paid during such period by the Principal  Underwriter to Authorized Firms
on sales of Fund shares.  During such period,  contingent deferred sales charges
aggregating  approximately $180 were imposed on early redeeming shareholders and
paid to the Principal Underwriter to partially defray such sales commissions. As
at December 31, 1994,  the  outstanding  uncovered  distribution  charges of the
Principal  Underwriter  calculated  under  the Plan  amounted  to  approximately
$39,703  (which  amount was  equivalent to 3.7% of the Fund's net assets on such
day).  For the period  ended  December  31,  1994,  the Fund made no service fee
payments  under the Plan. The Fund expects to begin accruing for its service fee
payments during the quarter ending September 30, 1995.

PRINCIPAL UNDERWRITER

    For the period from the start of business,  August 17, 1994, to December 31,
1994, the Fund paid the Principal Underwriter $2.50 for repurchase  transactions
handled (being $2.50 for each such transaction).

CUSTODIAN

    For the period from the start of business,  August 17, 1994, to December 31,
1994, the Fund paid IBT $250.

<TABLE>
TRUSTEES

    The fees and expenses of those  Trustees of the Trust and of the  Portfolio who are not members of the
Eaton  Vance  organization  are paid by the Fund (and the other  series of the Trust)  and the  Portfolio,
respectively.  During the fiscal year ended December 31, 1994, the Trustees of the Trust and the Portfolio
earned the following  compensation  in their  capacities as Trustees from the Fund,  the Portfolio and the
other  funds in the Eaton  Vance fund  complex<F1>:

<CAPTION>

                           AGGREGATE         AGGREGATE           RETIREMENT          TOTAL COMPENSATION
NAME                      COMPENSATION      COMPENSATION       BENEFIT ACCRUED         FROM TRUST AND
----                       FROM FUND       FROM PORTFOLIO     FROM FUND COMPLEX         FUND COMPLEX
                        ----------------  ----------------  ---------------------  ----------------------
<S>                         <C>                 <C>                <C>                    <C>     
Donald R. Dwight .....      $--0--              $297<F2>           $8,750                 $135,000
Samuel L. Hayes, III .       --0--               302<F3>            8,864                  142,500
Norton H. Reamer .....       --0--               318               -- 0 --                 135,000
John L. Thorndike ....       --0--               338               -- 0 --                 140,000
Jack L. Treynor ......       --0--               301               -- 0 --                 140,000
---------

<FN>

<F1>The Eaton Vance fund complex consists of 201 registered investment companies or series thereof.

<F2>Includes $98 of deferred compensation.

<F3>Includes $101 of deferred compensation.
</TABLE>


                            PRINCIPAL UNDERWRITER

    Under the Distribution Agreement the Principal Underwriter acts as principal
in selling shares of the Fund. The expenses of printing  copies of  prospectuses
used to  offer  shares  to  Authorized  Firms or  investors  and  other  selling
literature and of advertising is borne by the Principal Underwriter.

    The  fees  and  expenses  of  qualifying  and  registering  and  maintaining
qualifications  and  registrations  of the Fund and its shares under Federal and
state securities laws is borne by the Fund. In addition, the Fund makes payments
to the Principal  Underwriter  pursuant to its Distribution Plan as described in
the Fund's  current  Prospectus;  the  provisions  of the plan  relating to such
payments are included in the Distribution Agreement.  The Distribution Agreement
is renewable annually by the Trust's Board of Trustees  (including a majority of
its Trustees who are not interested  persons of the Trust and who have no direct
or indirect financial interest in the operation of the Fund's  Distribution Plan
or the Distribution  Agreement),  may be terminated on sixty days" notice either
by such Trustees or by vote of a majority of the outstanding  voting  securities
of the  Fund  or on six  months"  notice  by the  Principal  Underwriter  and is
automatically terminated upon assignment.  The Principal Underwriter distributes
Fund shares on a "best efforts" basis under which it is required to take and pay
for only such shares as may be sold.

    The Fund has  authorized  Eaton Vance  Distributors,  Inc.  (the  "Principal
Underwriter")  to act as its agent in  repurchasing  shares at the rate of $2.50
for each  repurchase  transaction  handled  by the  Principal  Underwriter.  The
Principal  Underwriter  estimates that the expenses  incurred by it in acting as
repurchase agent for the Fund will exceed the amounts paid therefor by the Fund.

                              DISTRIBUTION PLAN

    The  Distribution  Plan (the "Plan") is described in the  Prospectus  and is
designed to meet the requirements of Rule 12b-1 under the 1940 Act and the sales
charge rule of the National  Association of Securities Dealers,  Inc. (the "NASD
Rule").  The purpose of the Plan is to compensate the Principal  Underwriter for
its  distribution  services  and  facilities  provided to the Fund by paying the
Principal  Underwriter  sales  commissions  and a separate  distribution  fee in
connection with sales of Fund shares.  The following  supplements the discussion
of the Plan contained in the Fund's Prospectus.

    In  calculating  daily  the  amount  of  uncovered   distribution   charges,
distribution  charges will include the aggregate amount of sales commissions and
distribution   fees   theretofore  paid  plus  the  aggregate  amount  of  sales
commissions and distribution fees which the Principal Underwriter is entitled to
be paid  under  the Plan  since its  inception.  Payments  theretofore  paid and
payable under the Plan by the Fund to the Principal  Underwriter  and contingent
deferred sales charges theretofore paid and payable to the Principal Underwriter
will be  subtracted  from  such  distribution  charges;  if the  result  of such
subtraction is positive,  a distribution fee (computed at 1% over the prime rate
then  reported in The Wall Street  Journal)  will be computed on such amount and
added  thereto,  with the resulting sum  constituting  the amount of outstanding
uncovered  distribution  charges  with  respect  to  such  day.  The  amount  of
outstanding   uncovered   distribution  charges  of  the  Principal  Underwriter
calculated on any day does not constitute a liability  recorded on the financial
statements of the Fund.

    It is anticipated that the Eaton Vance organization will profit by reason of
the  operation  of the Plan  through an increase in the Fund's  assets  (thereby
increasing the advisory fee payable to BMR by the Portfolio) resulting from sale
of Fund shares and through amounts paid to the Principal Underwriter,  including
contingent  deferred  sales  charges,  pursuant  to the Plan.  The  Eaton  Vance
organization  may be  considered  to have realized a profit under the Plan if at
any point in time the aggregate  amounts  theretofore  received by the Principal
Underwriter pursuant to the Plan and from contingent deferred sales charges have
exceeded  the  total  expenses  theretofore  incurred  by such  organization  in
distributing shares of the Fund. Total expenses for this purpose will include an
allocable  portion of the  overhead  costs of such  organization  and its branch
offices,   which  costs  will  include  without   limitation   leasing  expense,
depreciation  of building and equipment,  utilities,  communication  and postage
expense, compensation and benefits of personnel, travel and promotional expense,
stationery  and supplies,  literature  and sales aids,  interest  expense,  data
processing  fees,  consulting and temporary help costs,  insurance,  taxes other
than income taxes, legal and auditing expense and other  miscellaneous  overhead
items.  Overhead is calculated and allocated for such purpose by the Eaton Vance
organization in a manner deemed equitable to the Fund.

    The amount of uncovered distribution charges of the Principal Underwriter at
any particular time depends upon various changing  factors,  including the level
and timing of sales of Fund shares, the nature of such sales (i.e., whether they
result from  exchange  transactions,  reinvestments  or from cash sales  through
Authorized Firms), the level and timing of redemptions of Fund shares upon which
a  contingent  deferred  sales  charge will be imposed,  the level and timing of
redemptions  of Fund shares upon which no contingent  deferred sales charge will
be imposed (including  redemptions involving exchanges of Fund shares for shares
of another  fund in the Eaton Vance  Marathon  Group of Funds which  result in a
reduction of uncovered  distribution  charges),  changes in the level of the net
assets of the Fund, and changes in the interest rate used in the  calculation of
the distribution  fee under the Plan. For the sales commission  payments made by
the Fund and the  outstanding  uncovered  distribution  charges of the Principal
Underwriter,  see "Fees and Expenses -- Distribution  Plan" in this Part II. The
Plan also  authorizes  the Fund to make payments of service fees. For additional
information  concerning the service fees, see "Fees and Expenses -- Distribution
Plan" in this Part II.

    Under the Plan the President or a Vice  President of the Trust shall provide
to the  Trustees  for  their  review,  and the  Trustees  shall  review at least
quarterly,  a  written  report  of the  amount  expended  under the Plan and the
purposes for which such  expenditures  were made. The Plan may not be amended to
increase  materially  the payments  described  therein  without  approval of the
shareholders  of the Fund, and all material  amendments of the Plan must also be
approved by the  Trustees  as required by Rule 12b-1.  So long as the Plan is in
effect,  the selection and nomination of Trustees who are not interested persons
of the Trust shall be  committed to the  discretion  of the Trustees who are not
such interested persons.

    The Trustees of the Trust believe that the Plan will be a significant factor
in the  expected  growth of the  Fund's  assets,  and will  result in  increased
investment  flexibility  and  advantages  which  will  benefit  the Fund and its
shareholders.  Payments for sales  commissions and distribution fees made to the
Principal  Underwriter under the Plan will compensate the Principal  Underwriter
for its services and expenses in  distributing  shares of the Fund.  Service fee
payments made to the Principal  Underwriter and Authorized  Firms under the Plan
provide incentives to provide continuing  personal services to investors and the
maintenance of shareholder  accounts.  By providing  incentives to the Principal
Underwriter  and  Authorized  Firms,  the  Plan is  expected  to  result  in the
maintenance of, and possible future growth in, the assets of the Fund.  Based on
the  foregoing  and other  relevant  factors,  the  Trustees  of the Trust  have
determined that in their judgment there is a reasonable likelihood that the Plan
will benefit the Fund and its shareholders.

                           PERFORMANCE INFORMATION

    The  tables  below   indicate  the  total  return   (capital   changes  plus
reinvestment of all distributions) on a hypothetical investment of $1,000 in the
Fund covering the life of the Fund from August 17, 1994 to December 31, 1994.

<TABLE>
<CAPTION>
                                                VALUE OF A $1,000 INVESTMENT
                                         
                                      VALUE OF
                                      INVESTMENT          VALUE
                                      BEFORE          OF INVESTMENT
                                      DEDUCTING THE   AFTER DEDUCTING       TOTAL RETURN               TOTAL RETURN
                                      CONTINGENT      THE CONTINGENT       BEFORE DEDUCTING           AFTER DEDUCTING
                                      DEFERRED        DEFERRED SALES   THE CONTINGENT DEFERRED     THE CONTINGENT DEFERRED
INVESTMENT    INVESTMENT  AMOUNT OF   SALES CHARGE        CHARGE<F2>          SALES CHARGE               SALES CHARGE<F2>
  PERIOD         DATE    INVESTMENT   ON 12/31/94       ON 12/31/94   CUMULATIVE     ANNUALIZED    CUMULATIVE     ANNUALIZED
-----------   ---------- ----------   -------------   --------------  ----------     ----------    ----------     ----------
<S>            <C>        <C>          <C>              <C>             <C>               <C>         <C>               <C>
Life of the 
Fund<F1>       8/17/94    $1,000       $960.00<F3>      $912.00<F3>     -4.00%<F3>         --         -8.80%<F3>         --

<PAGE>
<CAPTION>
                                           PERCENTAGE CHANGES 8/17/94 -- 12/31/94

                 NET ASSET VALUE TO NET ASSET VALUE                   NET ASSET VALUE TO NET ASSET VALUE
              BEFORE DEDUCTING THE CONTINGENT DEFERRED              AFTER DEDUCTING THE CONTINGENT DEFERRED
            SALES CHARGE WITH ALL DISTRIBUTIONS REINVESTED     SALES CHARGE<F2> WITH ALL DISTRIBUTIONS REINVESTED
            ----------------------------------------------     -------------------------------------------------
FISCAL YEAR      ANNUAL   CUMULATIVE   AVERAGE ANNUAL             ANNUAL     CUMULATIVE    AVERAGE ANNUAL
-----------      ------   ----------   --------------             ------     ----------    --------------   
<S>                <C>     <C>               <C>                    <C>       <C>               <C>  
12/31/94<F1>       --      -4.00%<F3>        --                     --        -8.80%<F3>        --
    


    Past performance is not indicative of future results.  Investment  return and principal value will fluctuate;
shares, when redeemed, may be worth more or less than their original cost.

---------

   
<FN>
<F1>Investment operations began on August 17, 1994.
<F2>No  contingent  deferred  sales  charge is  imposed  on  shares  purchased  more than six years  prior to the
    redemption, shares acquired through the reinvestment of distributions,  or any appreciation in value of other
    shares in the  account,  and no such charge is imposed on  exchanges of Fund shares for shares of one or more
    other funds listed under "The Eaton Vance Exchange Privilege" in the Prospectus.
<F3>If a portion of the Fund's expenses had not been subsidized, the Fund would have had lower returns.
</TABLE>



                            ADDITIONAL TAX MATTERS

    The Fund qualified as a regulated  investment company under the Code for its
fiscal year ended December 31, 1994 (see the Notes to Financial Statements).

             CONTROL  PERSONS  AND  PRINCIPAL  HOLDERS  OF  SECURITIES

    As of February 28, 1995, the Trustees and officers of the Trust, as a group,
owned in the aggregate less than 1% of the outstanding shares of the Fund. As of
February 28, 1995, Merrill Lynch,  Pierce,  Fenner & Smith, Inc., New Brunswick,
NJ was the record owner of approximately 14.8% of the outstanding shares,  which
were held on  behalf  of its  customers  who are the  beneficial  owners of such
shares, and as to which it had voting power under certain limited circumstances.
In  addition,  as  of  February  28,  1995,  the  following  shareholders  owned
beneficially  and of record the  percentages of  outstanding  shares of the Fund
indicated after their names:  Allen K. Peckel,  General  Partner,  Peckel Family
Limited Partnership,  Croton On Hudson, NY (13.5%);  William A. Myers, Jr., Cape
Mary Point, NJ (7.4%); and George Sertich and Elizabeth Jane Sertich,  Trustees,
George Sertich Trust, U/A DTD 12/14/90,  Rio Raveho,  NM (5.4%).  To the Trust's
knowledge,  no other  person owned of record or  beneficially  5% or more of the
Fund's outstanding shares on such date.


                             FINANCIAL STATEMENTS

    Registrant incorporates by reference the audited financial information for
the Fund and the Portfolio  contained in the Fund's shareholder report for the
fiscal year ended December 31, 1994 as previously  filed  electronically  with
the  Securities  and  Exchange  Commission  (Accession  Number  0000950156-95-
000116).
    

<PAGE>
INVESTMENT ADVISER OF 
STOCK PORTFOLIO
Boston Management and Research
24 Federal Street
Boston, MA 02110

ADMINISTRATOR OF 
EV MARATHON STOCK FUND
Eaton Vance Management
24 Federal Street
Boston, MA 02110

PRINCIPAL UNDERWRITER
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(800) 225-6265

CUSTODIAN
Investors Bank & Trust Company
24 Federal Street
Boston, MA 02110

TRANSFER AGENT
The Shareholder Services Group, Inc.
BOS725
P.O. Box 1559
Boston, MA 02104
(800) 262-1122

INDEPENDENT ACCOUNTANTS
Coopers & Lybrand L.L.P.
One Post Office Square
Boston, MA  02109

EV MARATHON
STOCK
FUND



   
STATEMENT OF ADDITIONAL INFORMATION
APRIL 1, 1995
    

EV MARATHON STOCK FUND
24 FEDERAL STREET
BOSTON, MA 02110

M-STSAI





<PAGE>
                     STATEMENT OF ADDITIONAL INFORMATION

                                   PART II

   
    This Part II provides  information  about EV TRADITIONAL STOCK FUND. On July
27, 1994, the Fund became a series of the Trust and  redesignated  its name from
Eaton Vance Stock Fund to EV Traditional Stock Fund.
    


                              FEES AND EXPENSES
INVESTMENT ADVISER

   
    Prior to the close of business on August 1, 1994 (when the Fund  transferred
its assets to the Portfolio in exchange for an interest in the  Portfolio),  the
Fund retained Eaton Vance as its investment adviser. For the period from January
1, 1994, to August 1, 1994,  the Fund paid Eaton Vance advisory fees of $350,884
(equivalent  to 0.625%  (annualized)  of the Fund's average daily net assets for
such period).  For the fiscal years ended  December 31, 1993 and 1992,  the Fund
paid Eaton Vance advisory fees of $560,111 and $558,459,  respectively. 

SERVICE PLAN

    During the fiscal year ended December 31, 1994, the Fund made payments under
the Plan aggregating  $44,425, of which $31,213 was paid to Authorized Firms for
shareholder  services and the balance was retained by the Principal  Underwriter
for such services.
    

CUSTODIAN

   
    During the fiscal year ended December 31, 1994, the Fund paid IBT $51,898.
    

BROKERAGE COMMISSIONS

   
    During the period  from  January 1, 1994,  to August 1, 1994,  the Fund paid
brokerage commissions of $186,758 on portfolio security  transactions,  of which
$150,412  was paid in respect of  portfolio  security  transactions  aggregating
approximately  $82,449,000.  During the Fund's  fiscal years ended  December 31,
1993 and 1992,  the Fund paid  brokerage  commissions  of $255,462 and $135,274,
respectively,  on  portfolio  security  transactions.  Of  the  total  brokerage
commissions  of $255,462  paid during the fiscal year ended  December  31, 1993,
approximately  $222,702 was paid in respect of portfolio  security  transactions
aggregating  approximately  $143,198,506  to firms which  provided some research
services to Eaton Vance  (although  many of such firms may have been selected in
any particular transaction primarily because of their execution capabilities).
    

<TABLE>
   
TRUSTEES

    The fees and expenses of those  Trustees of the Trust and of the  Portfolio who are not members of the Eaton Vance
organization  are paid by the Fund (and the other  series of the Trust) and the  Portfolio,  respectively.  During the
fiscal year ended December 31, 1994, the Trustees of the Trust and the Portfolio earned the following  compensation in
their  capacities  as Trustees from the Fund,  the Portfolio and the other funds in the Eaton Vance fund  complex<F1>:


<CAPTION>

                                         AGGREGATE         AGGREGATE           RETIREMENT          TOTAL COMPENSATION
                                        COMPENSATION      COMPENSATION       BENEFIT ACCRUED         FROM TRUST AND
NAME                                     FROM FUND       FROM PORTFOLIO     FROM FUND COMPLEX         FUND COMPLEX
----                                   -------------     --------------     -----------------      ------------------
<S>                                       <C>               <C>                   <C>                    <C>     
Donald R. Dwight<F2>...................   $  930            $297<F2>              $8,750                 $135,000
Samuel L. Hayes, III<F3>...............      984             302<F3>               8,865                  142,500
Norton H. Reamer ......................      986             318                  -- 0 --                 135,000
John L. Thorndike .....................    1,030             338                  -- 0 --                 140,000
Jack L. Treynor .......................      994             301                  -- 0 --                 140,000
---------

<F1>The Eaton Vance fund complex consists of 201 registered investment companies or series thereof.

<F2>Includes $98 of deferred compensation.

<F3>Includes $101 of deferred compensation.
</TABLE>

                          SERVICES FOR ACCUMULATION
    

    The following services are voluntary, involve no extra charge other than the
sales charge included in the offering price,  and may be changed or discontinued
without penalty at any time.

   
INTENDED QUANTITY  INVESTMENT--STATEMENT  OF INTENTION.If it is anticipated that
$100,000  or more of Fund  shares and shares of the other  continuously  offered
open-end funds listed under "The Eaton Vance Exchange  Privilege" in the current
Prospectus of the Fund will be purchased  within a 13-month  period, a Statement
of Intention should be signed so that shares may be obtained at the same reduced
sales charge as though the total quantity were invested in one lump sum.  Shares
held under Right of  Accumulation  (see  below) as of the date of the  Statement
will  be  included  toward  the  completion  of  the  Statement.  The  Statement
authorizes  the Transfer  Agent to hold in escrow  sufficient  shares (5% of the
dollar amount  specified in the Statement)  which can be redeemed to make up any
difference in sales charge on the amount  intended to be invested and the amount
actually invested. Execution of a Statement does not obligate the shareholder to
purchase or the Fund to sell the full amount  indicated  in the  Statement,  and
should the amount actually  purchased during the 13-month period be more or less
than that indicated on the Statement,  price adjustments will be made. For sales
charges  and  other  information  on  quantity  purchases,  see "How to Buy Fund
Shares" in the Fund's current  Prospectus.  Any investor  considering  signing a
Statement of Intention should read it carefully.

RIGHT OF ACCUMULATION--CUMULATIVE  QUANTITY DISCOUNT.The applicable sales charge
level for the purchase of Fund shares is  calculated by taking the dollar amount
of the current  purchase and adding it to the value  (calculated  at the maximum
current  offering price) of the shares the shareholder owns in his account(s) in
the Fund and in the other continuously  offered open-end funds listed under "The
Eaton Vance Exchange  Privilege" in the current Prospectus of the Fund for which
Eaton Vance acts as adviser or administrator at the time of purchase.  The sales
charge on the shares being  purchased will then be at the rate applicable to the
aggregate.  For example, if the shareholder owned shares valued at $80,000 in EV
Traditional  Investors Fund, and purchased an additional $20,000 of Fund shares,
the sales charge for the $20,000  purchase  would be at the rate of 3.75% of the
offering price (3.90% of the net amount  invested)  which is the rate applicable
to single transactions of $100,000. For sales charges on quantity purchases, see
"How to Buy Fund Shares" in the Fund's current Prospectus.  Shares purchased (i)
by an individual, his spouse and their children under the age of twenty-one, and
(ii) by a trustee,  guardian or other  fiduciary  of a single  trust estate or a
single  fiduciary  account,  will be  combined  for the  purpose of  determining
whether a purchase will qualify for the Right of Accumulation and if qualifying,
the applicable sales charge level.

    For any  such  discount  to be made  available,  at the time of  purchase  a
purchaser or his or her Authorized  Firm must provide Eaton Vance  Distributors,
Inc.  (the  "Principal  Underwriter")  (in the case of a purchase made through a
financial service firm (an "Authorized Firm") or the Transfer Agent (in the case
of  an  investment  made  by  mail)  with   sufficient   information  to  permit
verification  that the purchase order qualifies for the accumulation  privilege.
Corfirmation  of the  order  is  subject  to such  verification.  The  Right  of
Accumulation  privilege may be amended or terminated at any time as to purchases
occurring thereafter.
     

                            PRINCIPAL UNDERWRITER

   
    Shares of the Fund may be  continuously  purchased  at the  public  offering
price through certain  Authorized Firms which have agreements with the Principal
Underwriter.  The Principal  Underwriter is a  wholly-owned  subsidiary of Eaton
Vance.
    

    The public offering price is the net asset value next computed after receipt
of the order,  plus,  where  applicable,  a variable  percentage  (sales charge)
depending upon the amount of purchase as indicated by the sales charge table set
forth in the Prospectus.

   
    Such table is  applicable  to purchases of the Fund alone or in  combination
with purchases of the other funds offered by the Principal Underwriter,  made at
a single  time by (i) an  individual,  or an  individual,  his or her spouse and
their children under the age of twenty-one,  purchasing  shares for his or their
own  account;  and (ii) a trustee  or other  fiduciary  purchasing  shares for a
single trust estate or a single fiduciary account.

    The table is also  presently  applicable  to (1)  purchases  of Fund shares,
alone or in combination  with purchases of any of the other funds offered by the
Principal  Underwriter  through one dealer aggregating  $100,000 or more made by
any of the persons enumerated above within a thirteen-month period starting with
first  purchase  pursuant  to a  written  Statement  of  Intention,  in the form
provided by the Principal  Underwriter,  which  includes  provisions for a price
adjustment  depending upon the amount actually  purchased  within such period (a
purchase not made pursuant to such  Statement may be included  thereunder if the
Statement is filed  within 90 days of such  purchase);  or (2)  purchases of the
Fund pursuant to the Right of  Accumulation  and declared as such at the time of
purchase.

    Subject to the  applicable  provisions  of the 1940 Act,  the Fund may issue
shares at net asset  value in the event that an  investment  company  (whether a
regulated or private investment company or a personal holding company) is merged
or consolidated with or acquired by the Fund.  Normally no sales charges will be
paid in  connection  with an  exchange  of Fund  shares  for the  assets of such
investment company.
    

    Shares may be sold at net asset  value to any  officer,  director,  trustee,
general partner or employee of the Fund, the Portfolio or any investment company
for  which  Eaton  Vance  or BMR  acts as  investment  adviser,  any  investment
advisory,  agency,  custodial or trust account  managed or administered by Eaton
Vance or by any parent,  subsidiary  or other  affiliate of Eaton Vance,  or any
officer,  director or employee of any parent,  subsidiary or other  affiliate of
Eaton Vance. The terms "officer,"  "director,"  "trustee,"  "general partner" or
"employee" as used in this paragraph  include any such person's spouse and minor
children, and also retired officers,  directors,  trustees, general partners and
employees and their spouses and minor  children.  Shares of the Fund may also be
sold at net asset value to registered  representatives  and employees of certain
Authorized  Firms and to such persons'  spouses and children under the age of 21
and their beneficial accounts.

    The Trust  reserves  the right to suspend or limit the offering of shares of
the Fund to the public at any time.

   
    The Principal  Underwriter  acts as principal in selling  shares of the Fund
under the  distribution  agreement  with the  Trust on  behalf of the Fund.  The
expenses of printing  copies of  prospectuses  used to offer shares to financial
service firms or investors and other selling  literature and of advertising  are
borne by the  Principal  Underwriter.  The fees and expenses of  qualifying  and
registering and maintaining qualifications and registrations of the Fund and its
shares  under  Federal  and state  securities  laws are  borne by the Fund.  The
distribution  agreement  is  renewable  annually by the Board of Trustees of the
Trust  (including a majority of its Trustees who are not  interested  persons of
the Principal Underwriter or the Trust), may be terminated on six months' notice
by either party, and is automatically terminated upon assignment.  The Principal
Underwriter  distributes Fund shares on a "best efforts" basis under which it is
required  to take and pay for only  such  shares as may be sold.  The  Principal
Underwriter  allows  Authorized  Firms  discounts  from  the  applicable  public
offering  price which are alike for all Firms.  In the case of the maximum sales
charge the Authorized Firm retains 4% of the public offering price (4.20% of the
net amount invested) and the Principal  Underwriter  retains 0.75% of the public
offering  price  (0.79%  of the  net  amount  invested).However,  the  Principal
Underwriter  may allow,  upon  notice to all  Authorized  Firms with whom it has
agreements,  discounts up to the full sales charge during the periods  specified
in the notice.  During periods when the discount includes the full sales charge,
such  Firms may be  deemed to be  underwriters  as that term is  defined  in the
Securities  Act of 1933. The total sales charges for sales of shares of the Fund
during the fiscal years ended  December 31, 1994,  1993 and 1992,  were $42,731,
$99,605  and  $58,813,  respectively,  of  which  $6,855,  $15,660  and  $9,377,
respectively,  was received by the Principal  Underwriter.  For the fiscal years
ended  December 31, 1994,  1993 and 1992,  Authorized  Firms  received  $35,876,
$83,945 and $49,436, respectively, from the total sales charges.
    

                                 SERVICE PLAN

   
    The  Trust on behalf of the Fund has  adopted  a Service  Plan (the  "Plan")
designed  to meet  the  requirements  of  Rule  12b-1  (the  "Rule")  under  the
Investment  Company Act of 1940 and the service fee  requirements of the revised
sales  charge  rule  of  the  National   Association   of  Securities   Dealers,
Inc.(Management  believes  service fee  payments are not  distribution  expenses
governed  by the Rule,  but has chosen to have the Plan  approved as if the Rule
were applicable.) The following supplements the discussion of the Plan contained
in the Fund's Prospectus.

    Pursuant  to such  Rule,  the  Plan  has been  approved  by the  independent
Trustees of the Trust, who have no direct or indirect  financial interest in the
Plan,  and by all of the  Trustees of the Trust on behalf of the Fund.  The Plan
amends and replaces the Trust's  original  distribution  plan (which  originally
became  effective  on  December  27,  1990 and which was  approved by the Fund's
shareholders).

    The Plan remains in effect  through  April 28,  1995,  and from year to year
thereafter,  provided such  continuance is approved by a vote of both a majority
of (i) those Trustees who are not  interested  persons of the Trust and who have
no direct or indirect  financial  interest in the  operation  of the Plan or any
agreements  related  to it (the  "Rule  12b-1  Trustees")  and  (ii)  all of the
Trustees then in office,  cast in person at a meeting (or  meetings)  called for
the purpose of voting on this Plan.  The Plan may be terminated any time by vote
of the Rule 12b-1 Trustees or by a vote of a majority of the outstanding  voting
securities of the Fund.

    Under the Plan, the President or a Vice President of the Trust shall provide
to the  Trustees  for  their  review,  and the  Trustees  shall  review at least
quarterly,  a  written  report  of the  amount  expended  under the Plan and the
purposes for which such  expenditures  were made. The Plan may not be amended to
increase  materially  the  payments  described  herein  without  approval of the
shareholders  of the Fund, and all material  amendments of the Plan must also be
approved by the Trustees of the Trust in the manner  described above. So long as
the Plan is in effect,  the  selection  and  nomination  of Trustees who are not
interested  persons of the Trust shall be  committed  to the  discretion  of the
Trustees who are not such interested persons.  The Trustees have determined that
in their  judgment there is a reasonable  likelihood  that the Plan will benefit
the Fund and its shareholders.

                           PERFORMANCE INFORMATION

    The  tables  below   indicate  the  total  return   (capital   changes  plus
reinvestment of all distributions) on a hypothetical investment of $1,000 in the
Fund covering the ten, five and one year periods ended December 31, 1994.

<TABLE>
<CAPTION>
                                                 VALUE OF A $1,000 INVESTMENT

                                                                               TOTAL RETURN           TOTAL RETURN 
                                                          VALUE OF        EXCLUDING SALES CHARGE  INCLUDING SALES CHARGE
                          INVESTMENT      AMOUNT OF      INVESTMENT                  AVERAGE                   AVERAGE   
INVESTMENT PERIOD            DATE        INVESTMENT*     ON 12/31/94    CUMULATIVE    ANNUAL      CUMULATIVE    ANNUAL
--------------------------------------------------------------------------------------------------------------------------------

<S>                       <C>             <C>           <C>              <C>          <C>             <C>       <C>
10 Years Ended 12/31/94   12/31/84        $952.15       $2,868.60        201.28%      11.66%          186.97%   11.12%
5 Years Ended 12/31/94    12/31/89        $952.72       $1,243.31         30.50%       5.47%           24.30%    4.45%
1 Year Ended 12/31/94     12/31/93        $952.71       $  913.46         -4.12%      -4.12%           -8.67%   -8.67%
---------
*Initial investment less the current maximum sales charge of 4.75%.


<CAPTION>
                                                      PERCENTAGE CHANGES
                                            DECEMBER 31, 1985 -- DECEMBER 31, 1994

                      NET ASSET VALUE TO NET ASSET VALUE                          MAXIMUM OFFERING PRICE TO NET ASSET VALUE
  FISCAL               WITH ALL DISTRIBUTIONS REINVESTED                              WITH ALL DISTRIBUTIONS REINVESTED
   YEAR                ---------------------------------                              ---------------------------------    
   ENDED       ANNUAL             CUMULATIVE         AVERAGE ANNUAL           ANNUAL             CUMULATIVE         AVERAGE ANNUAL
----------------------------------------------------------------------------------------------------------------------------------
<S>            <C>                  <C>                  <C>                  <C>                  <C>                  <C>   
12/31/85       32.26%                32.26%              32.26%               25.98%                25.98%              25.98%
12/31/86       15.43%                52.66%              23.56%                9.94%                45.41%              20.59%
12/31/87        1.99%                55.70%              15.90%               -2.85%                48.31%              14.04%
12/31/88       15.01%                79.07%              15.68%                9.55%                70.57%              14.28%
12/31/89       29.92%               130.87%              18.21%               22.80%               119.90%              17.07%
12/31/90        0.59%               132.22%              15.08%               -4.19%               121.19%              14.15%
12/31/91       21.45%               182.04%              15.97%               15.68%               168.64%              15.16%
12/31/92        6.93%               201.58%              14.80%                1.85%               187.26%              14.10%
12/31/93        4.19%               214.23%              13.57%               -0.76%               199.30%              12.95%
12/31/94       -4.12%               201.28%              11.66%               -8.67%               186.97%              11.12%

    Past performance is not indicative of future results.  Investment  return and principal value will fluctuate and shares,  when
redeemed, may be worth more or less than their original cost.

</TABLE>
                            ADDITIONAL TAX MATTERS

    The Fund qualified as a regulated  investment company under the Code for its
fiscal year ended December 31, 1994 (see the Notes to Financial Statements).

    As of the close of  business  on August 1, 1994,  the Fund  contributed  its
assets to the Portfolio in exchange for an interest in the Portfolio.  The Trust
has obtained an opinion of tax counsel to the effect that,  although there is no
judicial  authority  directly on point, this contribution will not result in the
recognition  of gain or loss by the Fund for Federal  income tax  purposes.  The
Trust intends to file the Fund's  Federal income tax return for its taxable year
ending  December  31, 1994  reporting  such  contribution  of assets in a manner
consistent with such opinion.  If it were  determined that this  contribution by
the Fund was a taxable transaction, the Fund could be required to recognize gain
on the  transfer  of  its  assets  to  the  Portfolio  and  to  make  additional
distributions  to its  shareholders in order to avoid Fund- level Federal income
taxes,  and any such  distributions  would be  taxable to the  shareholders  who
receive them; and in such case, the Fund might also be required to pay penalties
and/or interest to the IRS.

              CONTROL PERSONS AND PRINCIPAL HOLDERS OF SECURITIES

    As of February 28, 1995, the Trustees and officers of the Trust, as a group,
owned in the aggregate  less than 1% of the  outstanding  shares of the Fund. To
the Trust's  knowledge,  no person owned of record or beneficially 5% or more of
the Fund's outstanding shares on such date.


                              FINANCIAL STATEMENTS

    Registrant  incorporates by reference the audited financial  information for
the Fund and the Portfolio  contained in the Fund's  shareholder  report for the
fiscal year ended December 31, 1994 as previously filed  electronically with the
Securities and Exchange Commission (Accession Number 0000950156-95-000074).
    

<PAGE>
INVESTMENT ADVISER OF 
STOCK PORTFOLIO
Boston Management and Research
24 Federal Street
Boston, MA 02110

ADMINISTRATOR OF 
EV TRADITIONAL STOCK FUND
Eaton Vance Management
24 Federal Street
Boston, MA 02110

PRINCIPAL UNDERWRITER
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(800) 225-6265

CUSTODIAN
Investors Bank & Trust Company
24 Federal Street
Boston, MA 02110

TRANSFER AGENT
The Shareholder Services Group, Inc.
BOS725
P.O. Box 1559
Boston, MA 02104
(800) 262-1122

   
INDEPENDENT ACCOUNTANTS
Coopers & Lybrand L.L.P.
One Post Office Square
Boston, MA 02109
    

EV TRADITIONAL
STOCK FUND

   
STATEMENT OF
ADDITIONAL
INFORMATION
APRIL 1, 1995
    




EV TRADITIONAL STOCK FUND
24 FEDERAL STREET
BOSTON, MA 02110

T-STSAI
110
<PAGE>
                                    PART C

                              OTHER INFORMATION

ITEM 24.  FINANCIAL STATEMENTS AND EXHIBITS

    (A) FINANCIAL STATEMENTS

   
        INCLUDED IN PART A:
          Financial Highlights for EV Classic Stock Fund for the period from
            the start of business, November 4, 1994, to December 31, 1994
          Financial Highlights for EV Marathon Stock Fund for the period from
            the start of business, August 17, 1994, to December 31, 1994
          Financial Highlights for EV Traditional Stock Fund for the ten years
            ended December 31, 1994

        INCLUDED IN PART B:
        INCORPORATED BY REFERENCE TO THE ANNUAL REPORTS FOR THE FUNDS, EACH
            DATED DECEMBER 31, 1994, FILED ELECTRONICALLY PURSUANT TO SECTION
            30(B)(2) OF THE INVESTMENT COMPANY ACT OF 1940
        FOR EV CLASSIC STOCK FUND (ACCESSION NO. 0000950156-95-000115)
            EV MARATHON STOCK FUND (ACCESSION NO. 0000950156-95-000116)
            EV TRADITIONAL STOCK FUND (ACCESSION NO. 0000950156-95-000074)
          Financial Statements for the above-referenced Funds for the time
            periods set forth in each Fund's Report are as follows:
            Statement of Assets and Liabilities as of December 31, 1994
            Statement of Operations
            Statement of Changes in Net Assets
            Financial Highlights
            Notes to Financial Statements
            Report of Independent Accountants
          Financial Statements for STOCK PORTFOLIO are as follows:
            Portfolio of Investments as of December 31, 1994
            Statement of Assets and Liabilities as of December 31, 1994
            Statement of Operations for the period from the start of business,
            August 1, 1994, to December 31, 1994
            Statement of Changes in Net Assets for the period from the start
            of business, August 1, 1994, to December 31, 1994
            Supplementary Data for the period from the start of business,
            August 1, 1994, to December 31, 1994
            Notes to Financial Statements
            Report of Independent Accountants
    

    (B) EXHIBITS:

(1)(a) Amended and Restated Declaration       Filed    as    Exhibit    (1)   to
       of  Trust  dated  September  27,       Post-Effective  Amendment  No.  70
       1993.                                  and    incorporated    herein   by
                                              reference.
   
   (b) Amendment  to   Declaration   of       Filed  as   Exhibit   (1)  (b)  to
       Trust dated July 27, 1994.             Post-Effective  Amendment  No.  72
                                              and    incorporated    herein   by
                                              reference.

   (c) Establishment and Designation of       Filed  as   Exhibit   (1)  (c)  to
       Series dated July 27, 1994.            Post-Effective  Amendment  No.  72
                                              and    incorporated    herein   by
                                              reference.
    

(2)(a) By-Laws.                               Filed    as    Exhibit    (2)   to
                                              Post-Effective  Amendment  No.  64
                                              and    incorporated    herein   by
                                              reference.

   (b) Amendment   to   By-Laws   dated       Filed  as   Exhibit   (2)  (b)  to
       December 13, 1993.                     Post-Effective  Amendment  No.  70
                                              and    incorporated    herein   by
                                              reference.

(3)    Not applicable

(4)    Not applicable

(5)    Investment   Advisory  Agreement       Filed    as    Exhibit    (5)   to
       between the Registrant and Eaton       Post-Effective  Amendment  No.  65
       Vance  Management dated December       and    incorporated    herein   by
       27, 1990.                              reference.

(6)(a)(1) Distribution        Agreement       Filed  as   Exhibit   (6)  (a)  to
          between  the  Registrant  and       Post-Effective  Amendment  No.  65
          Eaton   Vance   Distributors,       and    incorporated    herein   by
          Inc. dated December 27, 1990.       reference.

   
   (a)(2) Distribution        Agreement       Filed as  Exhibit  (6)  (a)(2)  to
          between      Eaton      Vance       Post-Effective  Amendment  No.  72
          Distributors,   Inc.  and  EV       and    incorporated    herein   by
          Classic  Stock  Fund,   dated       reference.
          August 1, 1994.

   (a)(3) Distribution        Agreement       Filed as  Exhibit  (6)  (a)(3)  to
          between      Eaton      Vance       Post-Effective   Amendment  No. 72
          Distributors,   Inc.  and  EV       and    incorporated    herein   by
          Marathon  Stock  Fund,  dated        reference.
          August 1, 1994.

   (b)    Selling    Group    Agreement       Filed  as   Exhibit   (6)  (b)  to
          between      Eaton      Vance       Post-Effective  Amendment  No.  72
          Distributors,     Inc.    and       and    incorporated    herein   by
          Authorized Firms.                   reference.

   (c)    Schedule of Dealer  Discounts       Filed  as   Exhibit   (6)  (c)  to
          and Sales Charges.                  Post-Effective  Amendment  No.  72
                                              and    incorporated    herein   by
                                              reference.
    

(7)       Not applicable

(8)       Custodian  Agreement  between       Filed    as    Exhibit    (8)   to
          the  Registrant and Investors       Post-Effective  Amendment  No.  65
          Bank &  Trust  Company  dated       and    incorporated    herein   by
          December 27, 1990.                  reference.

   
(9)(a)    Administrative       Services       Filed  as   Exhibit   (9)  (a)  to
          Agreement between Eaton Vance       Post-Effective  Amendment  No.  72
          Management and EV Traditional       and    incorporated    herein   by
          Stock  Fund  dated  August 1,       reference.
          1994.

   (b)    Administrative       Services       Filed  as   Exhibit   (9)  (b)  to
          Agreement between Eaton Vance       Post-Effective  Amendment  No.  72
          Management   and  EV  Classic       and    incorporated    herein   by
          Stock  Fund  dated  August 1,       reference.
          1994.

   (c)    Administrative       Services       Filed  as   Exhibit   (9)  (c)  to
          Agreement between Eaton Vance       Post-Effective  Amendment  No.  72
          Management  and  EV  Marathon       and    incorporated    herein   by
          Stock  Fund  dated  August 1,       reference. 
          1994.
    

(10)      Not applicable

   
(11)(a)   Consent    of     Independent       Filed herewith.
          Accountants  for  EV  Classic
          Stock Fund.

    (b)   Consent    of     Independent       Filed herewith.
          Accountants  for EV  Marathon
          Stock Fund.

    (c)   Consent    of     Independent       Filed herewith.
          Accountants       for      EV
          Traditional Stock Fund.
    

(12)      Not applicable

(13)      Not applicable

(14)(a)   Vance, Sanders Profit Sharing       Filed  as  Exhibit  No.  14(1)  to
          Retirement      Plan      for       Post-Effective  Amendment  No.  22
          Self-Employed   Persons  with       to  the   Registration   Statement
          Adoption     Agreement    and       under the  Securities  Act of 1933
          instructions.                       (File     No.     2-28471)     and
                                              incorporated      herewith      by
                                              reference.

    (b)   Eaton & Howard, Vance Sanders       Filed with Form N-1 as Exhibit No.
          Defined          Contribution       14(2) to Post-Effective  Amendment
          Prototype Plan and Trust with       No.   29   to   the   Registration
          Adoption Agreements:                Statement  (File No. 2- 22019) and
                                              incorporated      herewith      by
                                              reference.
          (1) Basic      Profit-Sharing
              Retirement Plan.
          (2) Basic   Money    Purchase
              Pension Plan.
          (3) Thrift Plan Qualifying as
              Profit-Sharing Plan.
          (4) Thrift Plan Qualifying as
              Money Purchase Plan.
          (5) Integrated Profit-Sharing
              Retirement Plan.
          (6) Integrated Money Purchase
              Pension Plan.

    (c)   Individual         Retirement       Filed  as  Exhibit  No.  14(3)  to
          Custodian    Account    (Form       Post-Effective  Amendment  No.  53
          5305A) and Instructions.            and   incorporated   herewith   by
                                              reference.

    (d)   Vance,    Sanders    Variable       Filed  as  Exhibit  No.  14(4)  to
          Pension  Prototype  Plan  and       Post-Effective  Amendment  No.  22
          Trust      with      Adoption       to  the   Registration   Statement
          Agreement.                          under the  Securities  Act of 1933
                                              (File     No.     2-28471)     and
                                              incorporated      herewith      by
                                              reference.

(15)(a)   Service Plan under Rule 12b-1       Filed   as    Exhibit    (15)   to
          under the Investment  Company       Post-Effective  Amendment  No.  70
          Act of  1940  dated  July  7,       and    incorporated    herein   by
          1993 for EV Traditional Stock       reference.
          Fund.

   
    (b)   Distribution   Plan   for  EV       Filed  as  Exhibit   (15)  (b)  to
          Classic   Stock   Fund  dated       Post-Effective  Amendment  No.  72
          August  1, 1994  pursuant  to       and    incorporated    herein   by
          Rule    12b-1    under    the       reference.
          Investment   Company  Act  of
          1940.

    (c)   Distribution   Plan   for  EV       Filed  as  Exhibit   (15)  (c)  to
          Marathon   Stock  Fund  dated       Post-Effective  Amendment  No.  72
          August  1, 1994  pursuant  to       and    incorporated    herein   by
          Rule    12b-1    under    the       reference.
          Investment   Company  Act  of
          1940.
    

(16)      Schedules for  Computation of       Filed herewith.
          Performance Quotations.

   
(17)(a)   Power of  Attorney  for Eaton       Filed  as  Exhibit   (17)  (a)  to
          Vance  Securities Trust dated       Post-Effective  Amendment  No.  72
          July 27, 1994.                      and    incorporated    herein   by
                                              reference.
    

    (b)   Power of  Attorney  for Stock       Filed  as  Exhibit   (17)  (b)  to
          Portfolio dated May 18, 1994.       Post-Effective  Amendment  No.  71
                                              and    incorporated    herein   by
                                              reference.

ITEM 25.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT
    Not applicable

ITEM 26.  NUMBER OF HOLDERS OF SECURITIES

   
                                                                   (2)
                (1)                                             NUMBER OF
           TITLE OF CLASS                                     RECORD HOLDERS
           --------------                                     --------------
    Shares of beneficial interest
         without par value                               as of February 28, 1995
         EV Classic Stock Fund                                        9
        EV Marathon Stock Fund                                       89
      EV Traditional Stock Fund                                    5,834
    

ITEM 27.  INDEMNIFICATION
   
    No change from the information set forth in Item 27 of Form N-1A filed as
Post-Effective Amendment No. 66 to the Registration Statement under the
Securities Act of 1933 and Amendment No. 16 under the Investment Company Act
of 1940, which is incorporated herein by reference.
    

    Registrant's Trustees and officers are insured under a standard mutual
fund errors and omissions insurance policy covering loss incurred by reason of
negligent errors and omissions committed in their capacities as such.

ITEM 28.  BUSINESS AND OTHER CONNECTIONS OF THE INVESTMENT ADVISER

    Reference is made to the information set forth under the captions
"Investment Adviser and Administrator" in the Statement of Additional
Information, which information is incorporated herein by reference.

ITEM 29.  PRINCIPAL UNDERWRITER

   
    (A) Registrant's principal underwriter, Eaton Vance Distributors, Inc., a
        wholly-owned subsidiary of Eaton Vance Management, is the principal
        underwriter for each of the investment companies named below:
<PAGE>
<TABLE>
<CAPTION>
<S>                                                          <C>
EV Classic Alabama Tax Free Fund                             EV Classic Special Equities Fund
EV Classic Arizona Tax Free Fund                             EV Classic Senior Floating-Rate Fund
EV Classic Arkansas Tax Free Fund                            EV Classic Stock Fund
EV Classic California Limited Maturity                       EV Classic Tennessee Tax Free Fund
  Tax Free Fund                                              EV Classic Texas Tax Free Fund
EV Classic California Municipals Fund                        EV Classic Total Return Fund
EV Classic Colorado Tax Free Fund                            EV Classic Virginia Tax Free Fund
EV Classic Connecticut Limited Maturity                      EV Classic West Virginia Tax Free Fund
  Tax Free Fund                                              EV Marathon Alabama Tax Free Fund
EV Classic Connecticut Tax Free Fund                         EV Marathon Arizona Limited Maturity
EV Classic Florida Insured Tax Free Fund                       Tax Free Fund
EV Classic Florida Limited Maturity                          EV Marathon Arizona Tax Free Fund
  Tax Free Fund                                              EV Marathon Arkansas Tax Free Fund
EV Classic Florida Tax Free Fund                             EV Marathon California Limited Maturity
EV Classic Georgia Tax Free Fund                               Tax Free Fund
EV Classic Government Obligations Fund                       EV Marathon California Municipals Fund
EV Classic Greater China Growth Fund                         EV Marathon Colorado Tax Free Fund
EV Classic Growth Fund                                       EV Marathon Connecticut Limited Maturity
EV Classic Hawaii Tax Free Fund                                Tax Free Fund
EV Classic High Income Fund                                  EV Marathon Connecticut Tax Free Fund
EV Classic Investors Fund                                    EV Marathon Emerging Markets Fund
EV Classic Kansas Tax Free Fund                              Eaton Vance Equity - Income Trust
EV Classic Kentucky Tax Free Fund                            EV Marathon Florida Insured Tax Free Fund
EV Classic Louisiana Tax Free Fund                           EV Marathon Florida Limited Maturity
EV Classic Maryland Tax Free Fund                              Tax Free Fund
EV Classic Massachusetts Limited Maturity                    EV Marathon Florida Tax Free Fund
  Tax Free Fund                                              EV Marathon Georgia Tax Free Fund
EV Classic Massachusetts Tax Free Fund                       EV Marathon Gold & Natural Resources Fund
EV Classic Michigan Limited Maturity                         EV Marathon Government Obligations Fund
  Tax Free Fund                                              EV Marathon Greater China Growth Fund
EV Classic Michigan Tax Free Fund                            EV Marathon Greater India Fund
EV Classic Minnesota Tax Free Fund                           EV Marathon Growth Fund
EV Classic Mississippi Tax Free Fund                         EV Marathon Hawaii Tax Free Fund
EV Classic Missouri Tax Free Fund                            EV Marathon High Income Fund
EV Classic National Limited Maturity Tax Free Fund           EV Marathon Investors Fund
EV Classic National Municipals Fund                          EV Marathon Kansas Tax Free Fund
EV Classic New Jersey Limited Maturity                       EV Marathon Kentucky Tax Free Fund
  Tax Free Fund                                              EV Marathon Louisiana Tax Free Fund
EV Classic New Jersey Tax Free Fund                          EV Marathon Maryland Tax Free Fund
EV Classic New York Limited Maturity                         EV Marathon Massachusetts Limited Maturity
  Tax Free Fund                                                Tax Free Fund
EV Classic New York Tax Free Fund                            EV Marathon Massachusetts Tax Free Fund
EV Classic North Carolina Tax Free Fund                      EV Marathon Michigan Limited Maturity Tax Free Fund
EV Classic Ohio Limited Maturity Tax Free Fund               EV Marathon Michigan Tax Free Fund
EV Classic Ohio Tax Free Fund                                EV Marathon Minnesota Tax Free Fund
EV Classic Oregon Tax Free Fund                              EV Marathon Mississippi Tax Free Fund
EV Classic Pennsylvania Limited Maturity                     EV Marathon Missouri Tax Free Fund
  Tax Free Fund                                              EV Marathon National Limited Maturity
EV Classic Pennsylvania Tax Free Fund                          Tax Free Fund
EV Classic Rhode Island Tax Free Fund                        EV Marathon National Municipals Fund
EV Classic Strategic Income Fund                             EV Marathon New Jersey Limited Maturity
EV Classic South Carolina Tax Free Fund                        Tax Free Fund
<PAGE>
EV Marathon New Jersey Tax Free Fund                         EV Traditional Florida Insured Tax Free Fund
EV Marathon New York Limited Maturity                        EV Traditional Florida Limited Maturity
  Tax Free Fund                                                Tax Free Fund
EV Marathon New York Tax Free Fund                           EV Traditional Florida Tax Free Fund
EV Marathon North Carolina Limited Maturity                  EV Traditional Government Obligations Fund
  Tax Free Fund                                              EV Traditional Greater China Growth Fund
EV Marathon North Carolina Tax Free Fund                     EV Traditional Greater India Fund
EV Marathon Ohio Limited Maturity Tax Free Fund              EV Traditional Growth Fund
EV Marathon Ohio Tax Free Fund                               Eaton Vance Income Fund of Boston
EV Marathon Oregon Tax Free Fund                             EV Traditional Investors Fund
EV Marathon Pennsylvania Limited Maturity                    Eaton Vance Municipal Bond Fund L.P.
  Tax Free Fund                                              EV Traditional National Limited Maturity
EV Marathon Pennsylvania Tax Free Fund                         Tax Free Fund
EV Marathon Rhode Island Tax Free Fund                       EV Traditional National Municipals Fund
EV Marathon Strategic Income Fund                            EV Traditional New Jersey Tax Free Fund
EV Marathon South Carolina Tax Free Fund                     EV Traditional New York Limited Maturity
EV Marathon Special Equities Fund                              Tax Free Fund
EV Marathon Stock Fund                                       EV Traditional New York Tax Free Fund
EV Marathon Tennessee Tax Free Fund                          EV Traditional Pennsylvania Tax Free Fund
EV Marathon Texas Tax Free Fund                              EV Traditional Special Equities Fund
EV Marathon Total Return Fund                                EV Traditional Stock Fund
EV Marathon Virginia Limited Maturity                        EV Traditional Total Return Fund
  Tax Free  Fund                                             Eaton Vance Cash Management Fund
EV Marathon Virginia Tax Free Fund                           Eaton Vance Liquid Assets Trust
EV Marathon West Virginia Tax Free Fund                      Eaton Vance Prime Rate Reserves
EV Traditional California Municipals Fund                    Eaton Vance Short-Term Treasury Fund
EV Traditional Connecticut Tax Free Fund                     Eaton Vance Tax Free Reserves
EV Traditional Emerging Markets Fund                         Massachusetts Municipal Bond Portfolio
</TABLE>
    
<PAGE>
    (b)
<TABLE>
<CAPTION>
                 (1)                                          (2)                                        (3)
          NAME AND PRINCIPAL                          POSITIONS AND OFFICES                       POSITIONS AND OFFICE
           BUSINESS ADDRESS                         WITH PRINCIPAL UNDERWRITER                       WITH REGISTRANT
          ------------------                      --------------------------                      --------------------
<S>                                          <C>                                               <C>
James B. Hawkes<F1>                          Vice President and Director                       President, Principal
                                                                                                 Executive Officer and
                                                                                                 Trustee
William M. Steul<F1>                         Vice President and Director                       None
Wharton P. Whitaker<F1>                      President and Director                            None
Howard D. Barr                               Vice President                                    None
  2750 Royal View Court
  Oakland, Michigan
Nancy E. Belza                               Vice President                                    None
  463-1 Buena Vista East
  San Francisco, California
Chris Berg                                   Vice President                                    None
  45 Windsor Lane
  Palm Beach Gardens, Florida
H. Day Brigham, Jr.<F1>                      Vice President                                    None
Susan W. Bukima                              Vice President                                    None
  106 Princess Street
  Alexandria, Virginia
Jeffrey W. Butterfield                       Vice President                                    None
  9378 Mirror Road
  Columbus, Indiana
Mark A. Carlson<F1>                          Vice President                                    None
<PAGE>
   
                 (1)                                          (2)                                        (3)
          NAME AND PRINCIPAL                          POSITIONS AND OFFICES                       POSITIONS AND OFFICE
           BUSINESS ADDRESS                         WITH PRINCIPAL UNDERWRITER                       WITH REGISTRANT
          ------------------                      --------------------------                      --------------------
Jeffrey Chernoff                             Vice President                                    None
  115 Concourse West
  Bright Waters, New York
William A. Clemmer<F1>                       Vice President                                    None
James S. Comforti                            Vice President                                    None
  1859 Crest Drive
  Encinitas, California
Mark P. Doman                                Vice President                                    None
  107 Pine Street
  Philadelphia, Pennsylvania
Michael A. Foster                            Vice President                                    None
  850 Kelsey Court
  Centerville, Ohio
William M. Gillen                            Vice President                                    None
  280 Rea Street
  North Andover, Massachusetts
Hugh S. Gilmartin                            Vice President                                    None
  1531-184th Avenue, NE
  Bellevue, Washington
Richard E. Houghton<F1>                      Vice President                                    None
Brian Jacobs<F1>                             Senior Vice President                             None
Stephen D. Johnson                           Vice President                                    None
  13340 Providence Lake Drive
  Alpharetta, Georgia
Thomas J. Marcello                           Vice President                                    None
  553 Belleville Avenue
  Glen Ridge, New Jersey
Timothy D. McCarthy                          Vice President                                    None
  9801 Germantown Pike
  Lincoln Woods Apt. 416
  Lafayette Hill, Pennsylvania
Morgan C. Mohrman<F1>                        Senior Vice President                             None
Gregory B. Norris                            Vice President                                    None
  6 Halidon Court
  Palm Beach Gardens, Florida
Thomas Otis<F1>                              Secretary and Clerk                               Secretary
George D. Owen                               Vice President                                    None
  1911 Wildwood Court
  Blue Springs, Missouri
F. Anthony Robinson                          Vice President                                    None
  510 Gravely Hill Road
  Wakefield, Rhode Island
Benjamin A. Rowland, Jr.<F1>                 Vice President,                                   None
                                               Treasurer and Director
John P. Rynne<F1>                            Vice President                                    None
George V.F. Schwab, Jr.                      Vice President                                    None
  9501 Hampton Oaks Lane
  Charlotte, North Carolina
Cornelius J. Sullivan<F1>                    Vice President                                    None
Maureen C. Tallon                            Vice President                                    None
  518 Armistead Drive
  Nashville, Tennessee
    
<PAGE>
                 (1)                                          (2)                                        (3)
          NAME AND PRINCIPAL                          POSITIONS AND OFFICES                       POSITIONS AND OFFICE
           BUSINESS ADDRESS                         WITH PRINCIPAL UNDERWRITER                       WITH REGISTRANT
          ------------------                      --------------------------                      --------------------
David M. Thill                               Vice President                                    None
  126 Albert Drive
  Lancaster, New York
William T. Toner                             Vice President                                    None
  747 Lilac Drive
  Santa Barbara, California
Chris Volf                                   Vice President                                    None
  6517 Thoroughbred Loop
  Odessa, Florida
Donald E. Webber<F1>                         Senior Vice President                             None
Sue Wilder                                   Vice President                                    None
  141 East 89th Street
  New York, New York
---------
<F1> Address is 24 Federal Street, Boston, MA 02110
</TABLE>
    (c) Not applicable

ITEM 30.  LOCATION OF ACCOUNTS AND RECORDS
   
    All applicable accounts, books and documents required to be maintained by
the Registrant by Section 31(a) of the Investment Company Act of 1940 and the
Rules promulgated thereunder are in the possession and custody of the
Registrant's custodian, Investors Bank & Trust Company, 24 Federal Street,
Boston, MA 02110 and 89 South Street, Boston, MA 02111, and its transfer
agent, The Shareholder Services Group, Inc., 53 State Street, Boston, MA
02104, with the exception of certain corporate documents and portfolio trading
documents which are in the possession and custody of Eaton Vance Management,
24 Federal Street, Boston, MA 02110. Registrant is informed that all
applicable accounts, books and documents required to be maintained by
registered investment advisers are in the custody and possession of Eaton
Vance Management.
    

ITEM 31.  MANAGEMENT SERVICES
    Not applicable

ITEM 32.  UNDERTAKINGS
    The Registrant undertakes to furnish to each person to whom a prospectus
is delivered a copy of the latest annual report to shareholders, upon request
and without charge.

<PAGE>
                                  SIGNATURES
   
    Pursuant to the requirements of the Securities Act of 1933, and the
Investment Company Act of 1940, the Registrant certifies that it meets all of
the requirements for effectiveness of this Post-Effective Amendment to the
Registration Statement pursuant to Rule 485(b) under the Securities Act of
1933 and has duly caused this Post-Effective Amendment to its Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Boston and the Commonwealth of Massachusetts on the
27th day of March, 1995.

                                EATON VANCE SECURITIES TRUST
                                By: /s/ JAMES B. HAWKES
                                    ------------------------------------------
                                    JAMES B. HAWKES, President
    

    Pursuant to the requirements of the Securities Act of 1933, this Post-
Effective Amendment to the Registration Statement has been signed below by the
following persons in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
              SIGNATURE                                             TITLE                                   DATE
              ---------                                             -----                                   ----

   
<S>                                                     <C>                                             <C>
                                                        President, Principal Executive
/s/ JAMES B. HAWKES                                       Officer and Trustee                           March 27, 1995
------------------------------ 
    JAMES B. HAWKES

                                                        Treasurer and Principal
                                                          Financial and Accounting
/s/ JAMES L. O'CONNOR                                     Officer                                       March 27, 1995
------------------------------
    JAMES L. O'CONNOR

    DONALD R. DWIGHT<F1>                                Trustee                                         March 27, 1995
------------------------------
    DONALD R. DWIGHT

    SAMUEL L. HAYES, III<F1>                            Trustee                                         March 27, 1995
------------------------------
    SAMUEL L. HAYES, III

    PETER F. KIELY<F1>                                  Trustee                                         March 27, 1995
------------------------------
    PETER F. KIELY

    NORTON H. REAMER<F1>                                Trustee                                         March 27, 1995
------------------------------
    NORTON H. REAMER

    JOHN L. THORNDIKE<F1>                               Trustee                                         March 27, 1995
------------------------------
    JOHN L. THORNDIKE

    JACK L. TREYNOR<F1>                                 Trustee                                         March 27, 1995
------------------------------
    JACK L. TREYNOR

<FN>
<F1>By: /s/ H. DAY BRIGHAM, JR.
    --------------------------
        H. DAY BRIGHAM, JR.
     As Attorney-in-fact
    
</TABLE>
<PAGE>


                                  SIGNATURES
   
    Stock Portfolio has duly caused this Amendment to the Registration
Statement on Form N-1A of Eaton Vance Securities Trust to be signed on its
behalf by the undersigned, thereunto duly authorized, in the City of Boston
and the Commonwealth of Massachusetts on the 27th day of March, 1995.

                                STOCK PORTFOLIO

                                By: /s/ JAMES B. HAWKES
                                    ------------------------------------------
                                    JAMES B. HAWKES, President

    This  Amendment  to the  Registration  Statement on Form N-1A of Eaton Vance
Securities  Trust  has  been  signed  below  by  the  following  persons  in the
capacities and on the dates indicated.
    

<TABLE>
<CAPTION>
              SIGNATURE                                             TITLE                                   DATE
              ---------                                             -----                                   ----

   
<S>                                                     <C>                                             <C>
                                                        President, Principal Executive
/s/ JAMES B. HAWKES                                       Officer and Trustee                           March 27, 1995
------------------------------ 
    JAMES B. HAWKES

                                                        Treasurer and Principal
                                                          Financial and Accounting
/s/ JAMES L. O'CONNOR                                     Officer                                       March 27, 1995
------------------------------
    JAMES L. O'CONNOR

    DONALD R. DWIGHT<F1>                                Trustee                                         March 27, 1995
------------------------------
    DONALD R. DWIGHT

    SAMUEL L. HAYES, III<F1>                            Trustee                                         March 27, 1995
------------------------------
    SAMUEL L. HAYES, III

    PETER F. KIELY<F1>                                  Trustee                                         March 27, 1995
------------------------------
    PETER F. KIELY

    NORTON H. REAMER<F1>                                Trustee                                         March 27, 1995
------------------------------
    NORTON H. REAMER

    JOHN L. THORNDIKE<F1>                               Trustee                                         March 27, 1995
------------------------------
    JOHN L. THORNDIKE

    JACK L. TREYNOR<F1>                                 Trustee                                         March 27, 1995
------------------------------
    JACK L. TREYNOR

<FN>
<F1>By: /s/ H. DAY BRIGHAM, JR.
    --------------------------
        H. DAY BRIGHAM, JR.
        As Attorney-in-fact
    
</TABLE>
<PAGE>
                                EXHIBIT INDEX
<TABLE>
<CAPTION>
   
                                                                                   PAGE IN SEQUENTIAL
       EXHIBIT NO.                            DESCRIPTION                           NUMBERING SYSTEM
       -----------                            -----------                           ----------------
<S>                    <C> 
    (11)(a)            Consent of Independent Accountants for EV Classic Stock
                         Fund
    (11)(b)            Consent of Independent Accountants for EV Marathon Stock
                         Fund
    (11)(c)            Consent of Independent Accountants for EV Traditional
                         Stock Fund
    (16)               Schedules for Computation of Performance Quotations
    
</TABLE>


   
                                                                EXHIBIT 99.11(a)

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We  consent  to  the  inclusion  in  Post-Effective  Amendment  No.  73  to  the
Registration  Statement  on Form N-1A (1933 Act File  Number  2-11391)  of Eaton
Vance  Securities  Trust: EV Classic Stock Fund (the "Fund") of our report dated
February  3,  1995  on our  audit  of the  financial  statements  and  financial
highlights of the Fund and of our report dated  February 3, 1995 on our audit of
the  financial  statements  and  supplementary  data of Stock  Portfolio,  which
reports are  included in the Annual  Report to  Shareholders  for the year ended
December  31, 1994,  which is  incorporated  by  reference in this  Registration
Statement.

We consent to the reference to our Firm under the caption "The Fund's  Financial
Highlights" in the Prospectus and under the caption "Independent Accountants" in
the Statement of Additional Information of the Registration Statement.


                                /s/ COOPERS & LYBRAND L.L.P.
                                    ------------------------------------------
                                    COOPERS & LYBRAND L.L.P.
Boston, Massachusetts
March 27, 1995

    


   
                                                                EXHIBIT 99.11(b)

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We  consent  to  the  inclusion  in  Post-Effective  Amendment  No.  73  to  the
Registration  Statement  on Form N-1A (1933 Act File  Number  2-11391)  of Eaton
Vance Securities  Trust: EV Marathon Stock Fund (the "Fund") of our report dated
February  3,  1995  on our  audit  of the  financial  statements  and  financial
highlights of the Fund and of our report dated  February 3, 1995 on our audit of
the  financial  statements  and  supplementary  data of Stock  Portfolio,  which
reports are  included in the Annual  Report to  Shareholders  for the year ended
December  31, 1994,  which is  incorporated  by  reference in this  Registration
Statement.

We consent to the reference to our Firm under the caption "The Fund's  Financial
Highlights" in the Prospectus and under the caption "Independent Accountants" in
the Statement of Additional Information of the Registration Statement.


                                /s/ COOPERS & LYBRAND L.L.P.
                                    ------------------------------------------
                                    COOPERS & LYBRAND L.L.P.
Boston, Massachusetts
March 27, 1995

    

   
                                                                EXHIBIT 99.11(c)
    

                       CONSENT OF INDEPENDENT ACCOUNTANTS

   
We  consent  to  the  inclusion  in  Post-Effective  Amendment  No.  73  to  the
Registration  Statement  on Form N-1A (1933 Act File  Number  2-11391)  of Eaton
Vance  Securities  Trust:  EV Traditional  Stock Fund (the "Fund") of our report
dated  February 3, 1995 on our audit of the financial  statements  and financial
highlights of the Fund and of our report dated  February 3, 1995 on our audit of
the  financial  statements  and  supplementary  data of Stock  Portfolio,  which
reports are  included in the Annual  Report to  Shareholders  for the year ended
December  31, 1994,  which is  incorporated  by  reference in this  Registration
Statement.
    

We consent to the reference to our Firm under the caption "The Fund's  Financial
Highlights" in the Prospectus and under the caption "Independent Accountants" in
the Statement of Additional Information of the Registration Statement.


   
                                /s/ COOPERS & LYBRAND L.L.P.
                                    ------------------------------------------
                                    COOPERS & LYBRAND L.L.P.
Boston, Massachusetts
March 27, 1995
    



                                                                   Exhibit 99.16
<TABLE>

EV CLASSIC STOCK FUND                                                                                       
INVESTMENT PERFORMANCE                                                                                             
                                                                                                              
The table below indicates the total return (capital changes plus reinvestment of all distributions) on a hypothetical investment 
of $1,000 in the Fund covering the life of the fund ending December 31, 1994.  Past performance is not indicative of future 
results.  Investment return and principal value will fluctuate and shares, when redeemed, may be worth more or less than 
their original cost.                                     
<CAPTION>                                                                                                              
                                                   NUMBER OF                                                   
                                                   SHARES GAINED                                                    
                                          NAV      THROUGH           TOTAL                                      
INVEST-    INVEST-    AMT OF    NUMBER    DATE OF  REINVESTMENT OF   NUMBER OF    12/31/94   12/31/94    TOTAL RETURN
MENT       MENT       INVEST-   OF SHARES INVEST-  ALL DISTRIBUTIONS SHARES AS    NET ASSET  VALUE OF    THROUGH 12/31/94
PERIOD     DATE       MENT      PURCHASED MENT     THROUGH 12/31/94  OF 12/31/94  VALUE +    INVESTMENT  CUMULATIVE^ ANNUALIZED ++
<S>        <C>        <C>        <C>       <C>            <C>           <C>         <C>        <C>         <C>       <C>
                                                                                                              
LIFE OF    11/04/94   $1,000     100.000   $10.00         0.000         100.000     $9.87      $987.00     -1.30%    NA            
THE FUND                                                                                                          
(0.16 YRS)                                                                                                       
   
   
   ^ Cumulative total return (net asset value to net asset value) is calculated by dividing the cumulative net asset value on 
     12/31/94 by the initial net asset value.
                                                                                                              
   + 12/31/94 Net Asset Value is an unaudited figure.                                                             
                                                                                                              
  ++ Average annual total return is the average annual compounded rate of return based on the cumulative value for each period.    
     It is calculated by taking the nth root of 1 + the cumulative total return, where n = the number of years invested.       
</TABLE>
<PAGE>
<TABLE>
EV MARATHON STOCK FUND                                                                                                            
INVESTMENT PERFORMANCE                                                                                                            
                                                                                                                                  
The table below indicates the total return (capital changes plus reinvestment of all distributions) on a hypothetical investment of 
$1,000 in the Fund covering the life of the Fund ending December 31, 1994.  Past performance is not indicative of future results.  
Investment return and principal value will fluctuate and shares, when redeemed, may be worth more or less than their original cost.
<CAPTION>


                                                                                                        TOTAL         TOTAL
                                                                                                        RETURN        RETURN
                                                                                   12/31/94  12/31/94   THROUGH       THOUGH
                                                                                   VALUE OF  VALUE OF   12/31/94      12/31/94
                                              NO. OF SHARES      TOTAL             INVEST-   INVEST-    BEFORE        AFTER
                            NO. OF   NAV ON   GAINED THROUGH     NO. OF            MENT      MENT       DEDUCTING     DEDUCTING
INVEST-   INVEST-  AMT OF   SHARES   DATE OF  REINVESTMENT OF    SHARES            BEFORE    AFTER      THE CDSC      THE CDSC *
MENT      MENT     INVEST-  PUR-     INVEST-  ALL DISTRIBUTIONS  AS OF    12/31/94 DEDUCTING DEDUCTING
PERIOD    DATE     MENT     CHASED   MENT     THROUGH 12/31/94   12/31/94 NAV+     THE CDSC  THE CDSC*  CUMUL^ ANN++  CUMUL^^ ANN++
<S>       <C>      <C>      <C>      <C>            <C>          <C>      <C>      <C>       <C>       <C>     <C>   <C>      <C>

LIFE OF   08/17/94 $1,000   100.000  $10.00         0.000        100.000  $9.60    $960.00   $912.00   -4.00%  NA    -8.80%   NA
THE FUND                                                                                                                          
(0.37 YEARS)                                                                                                                      
                                                                                                                                  
                                                                                                                                  
                                                                                                                                  
     *  No contingent deferred sales charge (CDSC) is imposed on shares purchased more than six years prior to the redemption,
        shares acquired through the reinvestment of dividends and distributions and any appreciation in value of other shares in
        the account, and no such charge is imposed on exchanges of fund shares for shares of one or more other funds in the Eaton
        Vance Marathon Group of Funds.
                                                                                                                                  
     ^  Cumulative total return (net asset value to net asset value) is calculated by dividing the cumulative net asset value on 
        12/31/94 by the initial net asset value.
                                                                                                                                  
    ^^  Cumulative total return (net asset value to net asset value) is calculated by dividing the cumulative net asset value on 
        12/31/94 by the initial net asset value and subtracting the CDSC.
                                                                                                                                  
     +  12/31/94 Net Asset Value is an unaudited figure                                                                           
                                                                                                                                  
    ++  Average annual total return is the average annual compounded rate of return based on the cumulative value for each period.  
        It is calculated by taking the nth root of 1 + the cumulative total return, where n = the number of years invested.     
</TABLE>
<PAGE>
<TABLE>
EV TRADITIONAL STOCK FUND
INVESTMENT PERFORMANCE   
                                                                                                                                  
The table below indicates the total return (capital changes plus reinvestment of all distributions) on a hypothetical investment of 
$1,000 in the Fund covering the ten, five, and one year periods ending December 31, 1994.  Past performance is not indicative of
future results.  Investment return and principal value will fluctuate and shares, when redeemed, may be worth more or less than 
their original cost.                                                                                            
<CAPTION>

                                                    DOLLAR
                                                    VALUE ON  NUMBER  
                                                    DATE OF   OF SHARES                                               TOTAL    
                                                    INVEST-   GAINED                         ENDING     TOTAL         RETURN
                         OFFER                      MENT      THROUGH                        REDEEMABLE RETURN        THROUGH
                         PRICE                      (INITIAL  REINVESTMENT TOTAL             DOLLAR     THROUGH       12/31/94
                         ON       NO. OF   NAV ON   INVEST-   OF ALL DIS-  NO. OF            VALUE      12/31/94      (MAX OFFERING
INVEST-  INVEST- AMT OF  DAY OF   SHARES   DATE OF  MENT LESS TRIBUTIONS   SHARES            OF INVEST- (NAV TO NAV)  PRICE TO NAV)
MENT     MENT    INVEST- INVEST-  PUR-     INVEST-  THE SALES THROUGH      AS OF    12/31/94 MENT ON  
PERIOD   DATE    MENT    MENT     CHASED   MENT     CHARGE*)  12/31/94     12/31/94 NAV+     12/31/94   CUMUL^ ANN++  CUMUL^^ ANN++
<S>      <C>      <C>    <C>      <C>      <C>       <C>       <C>         <C>      <C>      <C>       <C>     <C>    <C>     <C>

10 YRS
ENDING   12/31/84 $1,000 $12.75   78.431   $12.14    $952.15   184.743     263.174  $10.90   $2,868.60 201.28% 11.66% 186.97% 11.12%
12/31/94                                                                                                                       
                                                                                                                   
5 YRS                                                                                                                        
ENDING   12/31/89 $1,000 $15.44   64.767   $14.71    $952.72   49.298      114.065  $10.90   $1,243.31 30.50%  5.47%  24.30%  4.45%
12/31/94                                                                                                                          
                                                                                                                                  
1 YR                                                                                                                              
ENDING   12/31/93 $1,000 $13.11   76.278   $12.49    $952.71   7.526       83.804   $10.90   $913.46   -4.12%  -4.12% -8.67%  -8.67%
12/31/94                                                                                                                          
                                                                                                                                  
     *  Reflects the current maximum sales charge of 4.75%.
                                                                                                                                  
     ^  Cumulative total return (offering price to net asset value) is calculated by dividing the ending dollar amount on
        12/31/94 by the initial net asset value.
                                                                                                                                  
    ^^  Cumulative total return (net asset value to net asset value) is calculated by dividing the ending dollar amount on      
        12/31/94 by the initial investment less the sales charge.        
                                                                                                                                  
     +  12/31/94 Net Asset Value is an unaudited figure                                                                           
                                                                                                                                  
    ++  Average annual total return is the average annual compounded rate of return based on the cumulative value for each period.  
        It is calculated by taking the nth root of 1 + the cumulative total return, where n = the number of years invested.     
</TABLE>


<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000031273
<NAME> EATON VANCE SECURITIES TRUST
<SERIES>
   <NUMBER> 2
   <NAME> EV CLASSIC STOCK FUND
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               DEC-31-1994
<INVESTMENTS-AT-COST>                                0
<INVESTMENTS-AT-VALUE>                         144,544
<RECEIVABLES>                                    3,165
<ASSETS-OTHER>                                  36,777
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 184,486
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       38,849
<TOTAL-LIABILITIES>                             38,849
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       140,845
<SHARES-COMMON-STOCK>                           14,749
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                           84
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         4,708
<NET-ASSETS>                                   145,637
<DIVIDEND-INCOME>                                  179
<INTEREST-INCOME>                                   37
<OTHER-INCOME>                                    (53)
<EXPENSES-NET>                                   3,165
<NET-INVESTMENT-INCOME>                             84
<REALIZED-GAINS-CURRENT>                            15
<APPREC-INCREASE-CURRENT>                        4,708
<NET-CHANGE-FROM-OPS>                          140,820
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         14,749
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                         145,627
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                                0
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  3,244
<AVERAGE-NET-ASSETS>                            52,084
<PER-SHARE-NAV-BEGIN>                            10.00
<PER-SHARE-NII>                                      0
<PER-SHARE-GAIN-APPREC>                         (0.13)
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.87
<EXPENSE-RATIO>                                   1.59
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000031273
<NAME> EATON VANCE SECURITIES TRUST
<SERIES>
   <NUMBER> 3
   <NAME> EV MARATHON STOCK FUND
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               DEC-31-1994
<INVESTMENTS-AT-COST>                                0
<INVESTMENTS-AT-VALUE>                       1,050,359
<RECEIVABLES>                                   12,650
<ASSETS-OTHER>                                  35,118
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               1,098,127
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       32,317
<TOTAL-LIABILITIES>                             32,317
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     1,092,804
<SHARES-COMMON-STOCK>                          110,932
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                          111
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                       (10,147)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                      (16,688)
<NET-ASSETS>                                 1,065,810
<DIVIDEND-INCOME>                                6,605
<INTEREST-INCOME>                                  930
<OTHER-INCOME>                                 (1,768)
<EXPENSES-NET>                                   6,211
<NET-INVESTMENT-INCOME>                          (444)
<REALIZED-GAINS-CURRENT>                      (12,295)
<APPREC-INCREASE-CURRENT>                     (16,688)
<NET-CHANGE-FROM-OPS>                         (29,427)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        111,812
<NUMBER-OF-SHARES-REDEEMED>                        880
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                       1,065,800
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                                0
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  7,580
<AVERAGE-NET-ASSETS>                           654,092
<PER-SHARE-NAV-BEGIN>                            10.00
<PER-SHARE-NII>                                 (0.01)
<PER-SHARE-GAIN-APPREC>                         (0.39)
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.60
<EXPENSE-RATIO>                                   3.25
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000031273
<NAME> EATON VANCE SECURITIES TRUST
<SERIES>
   <NUMBER> 1
   <NAME> EV TRADITIONAL STOCK FUND
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               DEC-31-1994
<INVESTMENTS-AT-COST>                                0
<INVESTMENTS-AT-VALUE>                      84,324,132
<RECEIVABLES>                                  148,569
<ASSETS-OTHER>                                  10,542
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                              84,483,243
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      184,498
<TOTAL-LIABILITIES>                         84,298,745
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                    77,935,698
<SHARES-COMMON-STOCK>                        7,731,141
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                       27,508
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     6,335,539
<NET-ASSETS>                                84,298,745
<DIVIDEND-INCOME>                            2,617,289
<INTEREST-INCOME>                              230,158
<OTHER-INCOME>                               (267,477)
<EXPENSES-NET>                                 644,222
<NET-INVESTMENT-INCOME>                      1,935,748
<REALIZED-GAINS-CURRENT>                     6,033,580
<APPREC-INCREASE-CURRENT>                 (11,860,323)
<NET-CHANGE-FROM-OPS>                      (3,890,995)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    1,865,334
<DISTRIBUTIONS-OF-GAINS>                     6,033,580
<DISTRIBUTIONS-OTHER>                           68,585
<NUMBER-OF-SHARES-SOLD>                        446,055
<NUMBER-OF-SHARES-REDEEMED>                  1,045,062
<SHARES-REINVESTED>                            521,171
<NET-CHANGE-IN-ASSETS>                    (13,213,859)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                          350,884
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                644,222
<AVERAGE-NET-ASSETS>                        92,646,742
<PER-SHARE-NAV-BEGIN>                            12.49
<PER-SHARE-NII>                                   0.25
<PER-SHARE-GAIN-APPREC>                        (0.765)
<PER-SHARE-DIVIDEND>                           (0.250)
<PER-SHARE-DISTRIBUTIONS>                      (0.765)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.90
<EXPENSE-RATIO>                                   0.98
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000925460
<NAME> STOCK PORTFOLIO
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               DEC-31-1994
<INVESTMENTS-AT-COST>                       78,979,782
<INVESTMENTS-AT-VALUE>                      85,303,341
<RECEIVABLES>                                  247,205
<ASSETS-OTHER>                                  14,967
<OTHER-ITEMS-ASSETS>                               285
<TOTAL-ASSETS>                              85,565,798
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       46,763
<TOTAL-LIABILITIES>                             46,763
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                    79,195,476
<SHARES-COMMON-STOCK>                                0
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     6,323,559
<NET-ASSETS>                                85,519,035
<DIVIDEND-INCOME>                            1,049,185
<INTEREST-INCOME>                              128,279
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 269,298
<NET-INVESTMENT-INCOME>                        908,166
<REALIZED-GAINS-CURRENT>                   (2,035,741)
<APPREC-INCREASE-CURRENT>                  (1,601,217)
<NET-CHANGE-FROM-OPS>                      (2,728,792)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              0
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                     (5,832,543)
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                          230,928
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                269,298
<AVERAGE-NET-ASSETS>                        93,040,671
<PER-SHARE-NAV-BEGIN>                                0
<PER-SHARE-NII>                                      0
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                                  0
<EXPENSE-RATIO>                                   0.73
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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