BARR ROSENBERG SERIES TRUST
485APOS, 1997-05-01
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<PAGE>

                                                         File Nos.      33-21677
                                                                        811-5547
   

       As filed with the Securities and Exchange Commission on May 1, 1997
    

                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549

                                      FORM N-1A
               REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933       /X/

                             Pre-Effective Amendment No.                     / /

   
                           Post-Effective Amendment No. 13                   /X/
    


                     REGISTRATION STATEMENT UNDER THE INVESTMENT             /X/
                                 COMPANY ACT OF 1940

   
                                  Amendment No. 16                           /X/
    
   
                             BARR ROSENBERG SERIES TRUST
                 (Exact Name of Registrant as Specified in Charter)
                       3435 Stelzer Road, Columbus, OH  43219
                      (Address of principal executive offices)
    
                                    510-254-6464
                (Registrant's telephone number, including area code)

          Barr M. Rosenberg                    with a copy to:
          Rosenberg Institutional              J.B. Kittredge, Jr.
              Equity Management                Ropes & Gray
          Four Orinda Way                      One International Place
          Suite 300 E                          Boston, Massachusetts 02110-2624
          Orinda, CA 94563
                       (Name and address of agent for service)
- --------------------------------------------------------------------------------

   
     Pursuant to Rule 24f-2 under the Investment Company Act of 1940, the
Registrant has previously registered an indefinite number or amount of its
shares of beneficial interest under the Securities Act of 1933.  The Registrant
filed its 24f-2 Notice for its fiscal year ended March 31, 1996 on May 30, 1996.
The Registrant intends to file its 24f-2 Notice for its fiscal year ended March 
31, 1997 on or before May 31, 1997.
    
   
          It is proposed that this filing will become effective:
          Immediately upon filing pursuant to paragraph (b)
     ---
    
          On - pursuant to paragraph (b)
     ---
   
      x   60 days after filing pursuant to paragraph (a)(1)
    
     ---
          On _______ pursuant to paragraph (a)(1)
     ---
          75 days after filing pursuant to paragraph (a)(2)
     ---
          On _______ pursuant to paragraph (a)(2), of Rule 485
     ---

     If appropriate, check the following box:

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

<PAGE>

                             BARR ROSENBERG SERIES TRUST
                                CROSS REFERENCE SHEET

N-1 A Item No.                                 Location
- --------------                                 --------

PART A
Item 1.   Cover Page                           Cover Page
   
Item 2.   Synopsis                             Fund Expenses
    

Item 3.   Condensed Financial                  Financial Highlights
          Information

   
Item 4.   General Description of               Description of the Trust
          Registrant                           and Ownership of Shares;
                                               Investment Objectives and
                                               Policies; Cover Page; 
                                               and General Description 
                                               of Risks and Fund Investments
    
Item 5.   Management of the Fund               Management of the Trust;
                                               Back Cover
   
Item 5A.  Management's Discussion              Not Applicable
          of Fund Performance                 
    
   
Item 6.   Capital Stock and Other              Description of the Trust
          Securities                           and Ownership of Shares;
                                               Distributions; Multiple 
                                               Classes; Shareholder Inquiries;
                                               Taxes; and Back Cover
    
   
Item 7.   Purchase of Securities Being         Purchase of Shares; Exchange of
          Offered                              Shares; Management of the Trust;
                                               Multiple Classes; and 
                                               Determination of Net Asset
                                               Value
    
   
Item 8.   Redemption or Repurchase             Redemption of Shares; Exchange
                                               of Shares; and
                                               Determination of Net Asset
                                               Value
    
Item 9.   Legal Proceedings                    None

PART B

   
Item 10.  Cover Page                           Cover Page
    
Item 11.  Table of Contents                    Table of Contents

Item 12.  General Information and              Not Applicable
          History
   
Item 13.  Investment Objectives                Investment Objective and
          and Policies                         Policies; Miscellaneous 
                                               Investment Practices; and
                                               Investment Restrictions
    
Item 14.  Management of the Fund               Management of the Trust
<PAGE>

Item 15.  Control Persons and Principal        Description of the Trust
          Holders of Securities                and Ownership of Shares;
                                               Management of the Trust;
                                               Part A, Description of the
                                               Trust and Ownership of
                                               Shares

Item 16.  Investment Advisory and Other        Investment Advisory and
          Services                             Other Services

Item 17.  Brokerage Allocation and Other       Portfolio Transactions
          Practices

Item 18.  Capital Stock and Other              Description of the Trust
          Securities                           and Ownership of Shares
   
Item 19.  Purchase, Redemption                 Determination of Net Asset Value;
          and Pricing of Securities            See in Part A, Purchase of
          Being Offered                        Shares;  Exchange of Shares;
                                               Redemption of Shares;
                                               Determination of Net Asset Value
    
Item 20.  Tax Status                           Income Dividends,
                                               Distributions and Tax
                                               Status
   
Item 21.  Underwriters                         Investment Advisory and
                                               Other Services 
    
   
Item 22.  Calculation of Performance Data      Not Applicable
          
    
Item 23.  Financial Statements                 Financial Statements

Part C

     Information to be included in Part C is set forth under the appropriate
item, so numbered, in Part C of this  Registration Statement.

<PAGE>

   
                             BARR ROSENBERG SERIES TRUST
                                  3435 STELZER ROAD
                                 COLUMBUS, OHIO 43219
    
   
                      1-800-447-3332 (ADVISER AND SELECT SHARES)
                        1-800-527-6026 (INSTITUTIONAL SHARES)
                                    JUNE   , 1997
    

    Barr Rosenberg Series Trust (the "Trust") is an open-end management
investment company offering the following three diversified portfolios with
different investment objectives and strategies: U.S. Small Capitalization
Series, International Small Capitalization Series and Japan Series. The Trust's
portfolios are referred to individually as a "Series" or a "Fund," and
collectively as the "Series" or the "Funds." Each Fund's investment manager is
Rosenberg Institutional Equity Management (the "Manager").

                              DOMESTIC EQUITY PORTFOLIO

    The U.S. SMALL CAPITALIZATION SERIES seeks a total return greater than that
of the Russell 2000 Index through investment primarily in equity securities of
smaller companies which are traded principally in the markets of the United
States. The Fund is designed for long-term investors willing to assume
above-average risk in return for above-average capital growth potential.

                           INTERNATIONAL EQUITY PORTFOLIOS

    The INTERNATIONAL SMALL CAPITALIZATION SERIES seeks a total return greater
than that of the Cazenove Rosenberg Global Smaller Companies Index excluding the
United States ("CRIEXUS") through investment primarily in equity securities of
smaller companies which are traded principally in markets outside of the United
States. The Fund is designed for long-term investors willing to assume
above-average risk in return for above-average capital growth potential.

    The JAPAN SERIES seeks a total return greater than that of the Tokyo Stock
Price Index of the Tokyo Stock Exchange ("TOPIX") through investment in Japanese
securities, primarily in common stocks of Japanese companies traded in Japanese
markets. The Fund is designed for long-term investors willing to assume
above-average risk in return for above-average capital growth potential.

    Each Fund offers three classes of shares: Institutional Shares, Adviser
Shares and Select Shares. Whether an investor is eligible to purchase
Institutional, Adviser or Select Shares generally depends on the amount invested
in a particular Fund and on whether the investor makes the investment in the
Fund directly or through a financial adviser. The classes differ primarily with
respect to (i) the level of Shareholder Service Fee and (ii) the level of
Distribution Fee borne by each class.

   
    This Prospectus concisely describes the information which investors ought
to know before investing. Please read this Prospectus carefully and keep it for
future reference.
    
   
    A Statement of Additional Information dated June     , 1997 (the
"Statement") is available free of charge by writing to Barr Rosenberg Funds
Distributor, Inc., the Funds' distributor (the "Distributor"), at 3435 Stelzer
Road, Columbus, Ohio 43219 or by telephoning 1-800-447-3332 (for Adviser and
Select Share customers) and 1-800-527-6026 (for Institutional Share customers).
The Statement, which contains more detailed information about the Trust, has
been filed with the Securities and Exchange Commission and is incorporated by
reference in this Prospectus.
    

    SHARES OF THE FUNDS ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR
ENDORSED BY, ANY FINANCIAL INSTITUTION, ARE NOT FEDERALLY INSURED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER AGENCY,
AND INVOLVE RISK, INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.

    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 ON
THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY
IS A CRIMINAL OFFENSE.

<PAGE>

                                  TABLE OF CONTENTS

   
                                                                          Page
                                                                          ----
FUND EXPENSES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    3
FINANCIAL HIGHLIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . .    5
INVESTMENT OBJECTIVES AND POLICIES . . . . . . . . . . . . . . . . . . . .    7
GENERAL DESCRIPTION OF RISKS AND FUND INVESTMENTS. . . . . . . . . . . . .   10
INVESTMENT PERFORMANCE . . . . . . . . . . . . . . . . . . . . . . . . . .   13
MANAGEMENT OF THE TRUST. . . . . . . . . . . . . . . . . . . . . . . . . .   16
MULTIPLE CLASSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   24
PURCHASE OF SHARES . . . . . . . . . . . . . . . . . . . . . . . . . . . .   25
RETIREMENT PLAN ACCOUNTS . . . . . . . . . . . . . . . . . . . . . . . . .   28
REDEMPTION OF SHARES . . . . . . . . . . . . . . . . . . . . . . . . . . .   28
EXCHANGE OF FUND SHARES. . . . . . . . . . . . . . . . . . . . . . . . . .   30
DETERMINATION OF NET ASSET VALUE . . . . . . . . . . . . . . . . . . . . .   31
DISTRIBUTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   31
TAXES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   32
DESCRIPTION OF THE TRUST AND OWNERSHIP OF SHARES . . . . . . . . . . . . .   33
SHAREHOLDER INQUIRIES. . . . . . . . . . . . . . . . . . . . . . . . . . .   34
    

<PAGE>

   
                                    FUND EXPENSES

    The annual expenses of each of the Funds are set forth in the following 
tables, the forms of which are prescribed by federal securities laws and 
regulations.
    

 <TABLE>
<CAPTION>

ANNUAL FUND OPERATING EXPENSES

                                                                                                    OTHER         TOTAL FUND
                                                    MANAGEMENT      SHAREHOLDER                    EXPENSES       OPERATING
                                                    FEE (AFTER        SERVICE     DISTRIBUTION   (AFTER REIM-      EXPENSES
                                                       WAIVER)          FEE           FEE          BURSEMENT)   (AFTER WAIVER)
                                                    ------------- -------------  -------------   -------------   -------------

<S>                                                    <C>            <C>            <C>            <C>             <C>
INSTITUTIONAL SHARES
    U.S. Small Capitalization Series . . . . . .       0.80%          None           None           0.35%           1.15%
    International Small Capitalization Series. .       0.00%          None           None           1.50%           1.50%
    Japan Series . . . . . . . . . . . . . . . .       0.00%          None           None           1.50%           1.50%
ADVISER SHARES
    U.S. Small Capitalization Series . . . . . .       0.80%          0.25%          None           0.35%           1.40%
    International Small Capitalization Series. .       0.00%          0.25%          None           1.50%           1.75%
    Japan Series . . . . . . . . . . . . . . . .       0.00%          0.25%          None           1.50%           1.75%
SELECT SHARES
    U.S. Small Capitalization Series . . . . . .       0.80%          0.25%          0.25%          0.35%           1.65%
    International Small Capitalization Series. .       0.00%          0.25%          0.25%          1.50%           2.00%
    Japan Series . . . . . . . . . . . . . . . .       0.00%          0.25%          0.25%          1.50%           2.00%

</TABLE>

   
    The Manager has agreed to reduce its management fee and bear certain
    expenses until further notice in order to limit the total annual operating
    expenses (which do not include nonrecurring account fees and extraordinary
    expenses) of each class to the percentage of a Fund's total annual
    operating expenses attributable to that class listed under Total Fund
    Operating Expenses above. Absent such agreement by the Manager to waive its
    fee and bear such expenses, (1) the U.S. Small Cap Series' management fees
    would be      % and Total Fund Operating Expenses would be      % for
    Institutional Shares,       % for Adviser Shares and      % for Select
    Shares; (2) the Japan Series' management fees would be      % and Total
    Fund Operating Expenses would be     % for Institutional Shares,      % for
    Adviser Shares and      % for Select Shares; (3) the International Small
    Cap Series' estimated management fees would be      % and estimated Total
    Fund Operating Expenses would be     % for Institutional Shares,      % for
    Adviser Shares and       % for Select Shares. See "Management of the 
    Trust." For the U.S. Small Cap Series, Other Expenses are based on actual
    results for the fiscal year ended March 31, 1997. Actual Other Expenses for
    the Institutional Shares, Adviser Shares and Select Shares of the Japan 
    Series for the fiscal year ended March 31, 1997 were        %,        % and
        %, respectively.  Actual Other Expenses for the International Small Cap
    Series' first fiscal year are estimated to be    % for Institutional Shares,
       % for Adviser Shares and   % for Select Shares.
    

<PAGE>


EXAMPLE:

   
                                            You would pay the following
                                       expenses on a $1,000 investment assuming
                                        a 5% annual return (with or without a
                                            redemption at the end of each
                                                    time period):
                                       ----------------------------------------


                                             1         3         5        10
                                           year      years     years     years
                                           ----      -----     -----     -----

INSTITUTIONAL SHARES

U.S. Small Cap Series. . . . . . . .        12       37         63        140

International Small Cap Series . . .        15       47         __         __

Japan Series  . . . . . . .  . . . .        15       47         82        179

ADVISER SHARES

U.S. Small Cap Series  . . . . . . .        14       44         77        168

International Small Cap Series . . .        18       55         __         __

Japan Series . . . . . . . . . . . .        18       55         95        206

SELECT SHARES

U.S. Small Cap Series. . . . . . . .        17       52         90        195

International Small Cap Series . . .        20       63         __         __

Japan Series . . . . . . . . . . . .        20       63        108        233



    THE PURPOSE OF THIS TABLE IS TO ASSIST IN UNDERSTANDING THE VARIOUS COSTS
AND EXPENSES OF THE FUNDS THAT ARE BORNE DIRECTLY OR INDIRECTLY BY HOLDERS OF
SHARES OF THE FUNDS.  THE EXPENSES USED IN THE EXAMPLE, AND THE FIVE PERCENT
ANNUAL RETURN, WHICH IS MANDATED BY THE SECURITIES AND EXCHANGE COMMISSION, ARE
NOT REPRESENTATIONS OF PAST OR FUTURE EXPENSES OR PERFORMANCE; ACTUAL EXPENSES
AND/OR PERFORMANCE MAY BE MORE OR LESS THAN THOSE SHOWN.
    

<PAGE>


                                 FINANCIAL HIGHLIGHTS
   
    The following tables present per share financial information for the
periods listed for each Fund. Each of the Financial Highlights has been audited
by Price Waterhouse LLP, independent accountants. These statements should be
read in conjunction with the other audited financial statements and related
notes which are included in the Statement of Additional Information.
    
   
                          U.S. SMALL CAPITALIZATION SERIES
         (For an Institutional Share outstanding throughout each period)(1)

<TABLE>
<CAPTION>
                                                                           YEAR ENDED MARCH 31,
                                                                           --------------------
                                            1997    1996     1995     1994      1993      1992       1991      1990     1989 (a)
                                            ----  -------   ------- -------   -------   --------   --------  --------  -------
<S>                                         <C>    <C>      <C>      <C>        <C>       <C>       <C>      <C>       <C>
Net asset value at beginning of period . .  $      $6.97     $7.36    $12.33    $12.04    $10.74    $10.70    $10.34    $10.00
                                           ----   -------   -------   -------   -------  --------  --------  --------  -------

Income from Investment Operations
  Net investment income (Section)  . . . .          0.03      0.01      0.08      0.13      0.11      0.09      0.08      0.11
  Net realized and unrealized gain on
    investments and foreign currency . . .          2.34      0.78      1.28      2.31      1.53      0.05      0.67      0.23
                                           ----   -------   -------   -------   -------  --------  --------  --------  -------

    Total investment operations. . . . . .          2.37      0.79      1.36      2.44      1.64      0.14      0.75      0.34
                                           ----   -------   -------   -------   -------  --------  --------  --------  -------

Distributions to shareholders from:
  Net investment income. . . . . . . . . .         (0.01)    (0.08)    (0.14)    (0.10)    (0.08)    (0.07)    (0.15)    --
  Net realized gain on investments . . . .         (1.73)    (1.10)    (6.19)    (2.05)    (0.26)    (0.03)    (0.24)    --
                                           ----   -------   -------   -------   -------  --------  --------  --------  -------

    Total distributions. . . . . . . . . .         (1.74)    (1.18)    (6.33)    (2.15)    (0.34)    (0.10)    (0.39)    --
                                           ----   -------   -------   -------   -------  --------  --------  --------  -------

Net asset value at end of period . . . . .  $      $7.60     $6.97     $7.36    $12.33    $12.04    $10.74    $10.70    $10.34
                                           ----   -------   -------   -------   -------  --------  --------  --------  -------
                                           ----   -------   -------   -------   -------  --------  --------  --------  -------

Total return (2) . . . . . . . . . . . . .    %    35.69%    12.21%    12.83%    22.51%    15.79%     1.56%     7.37%    39.06%*
Net assets, end of period (000). . . . . .  $    $60,046   $56,910   $52,500   $69,458  $119,343  $171,942  $113,222   $57,058
Ratio of net expenses to average daily net
  assets . . . . . . . . . . . . . . . . .    %     0.90%     0.90%     0.90%     0.90%     0.90%     0.90%     0.90%     0.90%**
Ratio of net expenses to average daily net
  assets before reimbursement. . . . . . .    %     1.15%     1.17%     1.14%     1.03%     0.94%     1.04%     1.06%     1.86%**
Ratio of net investment income to
  average daily net assets . . . . . . . .    %     0.47%     0.60%     0.60%     0.59%     0.66%     1.22%     1.24%    10.10%**
Portfolio turnover rate. . . . . . . . . .    %    71.87%    57.27%    59.61%    32.61%    59.04%    64.97%    60.10%     0.04%
</TABLE>

(a)       The Fund commenced operations on February 22, 1989.

(Section) Net of fees and expenses waived or borne by the Manager which amounted
          to $    , $.02, $.01, $.05, $.03, $.01, $.01, $.01 and $.01 per share.
(1)       During which only one class of shares was offered.
(2)       Total return would have been lower had certain fees and expenses not
          been waived.
*         Not Annualized.
**        Annualized.
    

<PAGE>

   
                                 JAPAN SERIES
      (For an Institutional Share outstanding throughout each period) (1)

<TABLE>
<CAPTION>
                                                                                    YEAR ENDED MARCH 31
                                                                                    -------------------
                                            1997      1996      1995      1994      1993      1992      1991      1990    1989 (a)
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------
<S>                                         <C>     <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
Net asset value at beginning of period        $      $8.96     $8.25     $6.94     $6.15     $7.87     $8.23     $9.88     $10.00
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------
Income (loss) from Investment
  Operations
  Net investment income (loss)Section  . . .          0.04      0.10     (0.01)     0.02      0.04      0.06      0.06       0.02
  Net realized and unrealized
    gain/(loss) on investments and
    foreign currency . . . . . . . . . . . .         (0.15)     0.63      1.41      0.84     (1.69)     0.09     (1.67)     (0.14)
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------

    Total investment operations. . . . . . .         (0.11)     0.73      1.40      0.86     (1.65)     0.15     (1.61)     (0.12)
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------

Distributions to shareholders from:
  Net investment income. . . . . . . . . . .  --       --        --        --      (0.07)    (0.07)    (0.07)    (0.04)     --
  In excess of net investment income . . . .         (0.08)    (0.02)    (0.09)      --        --        --       --        --
  Net realized gain on investments . . . . .  --       --        --        --        --        --      (0.44)     --        --
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------

    Total distributions. . . . . . . . . . .         (0.08)    (0.02)    (0.09)    (0.07)    (0.07)    (0.51)    (0.04)     --
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------

Net asset value at end of period . . . . . .  $      $8.77     $8.96     $8.25     $6.94     $6.15     $7.87     $8.23    $  9.88
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------

Total return  (2). . . . . . . . . . . . . .    %     (1.2%)    8.86%    20.35%    14.24%   (21.09%)    1.94%   (16.39%)    (4.94%)*
Net assets, end of period (000). . . . . . .  $     $1,378    $1,385    $1,258    $1,044      $915    $1,864    $1,829     $2,186
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------
                                             ----   -------   -------   -------  --------   -------   -------   -------   -------

Ratio of net expenses to average daily
  net assets . . . . . . . . . . . . . . . .    %     1.00%     1.00%     1.00%     0.70%     0.59%     0.02%     0.00%      0.28%**
Ratio of net expenses to average daily
  net assets before reimbursement. . . . . .    %     7.16%     7.02%     7.63%    10.70%     8.56%     8.40%     7.35%      9.30%**
Ratio of net investment income (loss)
  to average daily net assets. . . . . . . .    %    (0.22%)   (0.20%)   (0.26%)    0.37%     0.20%     0.76%     0.62%      0.88%**
Portfolio turnover rate. . . . . . . . . . .    %    60.60%    57.10%    74.60%   162.10%    53.13%    78.61%    87.72%      0.00%
</TABLE>
 
(a)       The Fund commenced operations on January 3, 1989.
(Section) Net of fees and expenses waived or borne by the Manager which amounted
          to $    , $.38, $.67, $.49, $.59, $1.64, $.71, $.74 and $.21 per
          share.
(1)       During which only one class of shares was offered.
(2)       Total return would have been lower had certain fees and expenses not
          been waived.
*         Not Annualized.
**        Annualized.
    

<PAGE>

   
                    INTERNATIONAL SMALL CAPITALIZATION SERIES
                 (For a share outstanding throughout the period
       September 23, 1996 (Commencement of Operations) through March 31, 1997
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                 Institutional
                                                                     Shares              Select Shares(a)
                                                                 -------------           ----------------
<S>                                                              <C>                     <C>
Net asset value at beginning of period                                  $10.00                  $10.04
                                                                 -------------           -------------
Income from Investment Operations:
  Net Investment income                                                   0.01                    0.02
  Net realized and unrealized gain on investments
    and foreign currency                                                  0.12                    0.07
                                                                 -------------           -------------
         Total from investment operations                                 0.13                    0.09
                                                                 -------------           -------------

  Net asset value at end of period                                      $10.13                  $10.13
                                                                 -------------           -------------
                                                                 -------------           -------------

  Total Return(1)                                                        1.30%*                   0.89%*

  Net assets, end of period(000)                                       $12,852                    $185
                                                                 -------------           -------------
                                                                 -------------           -------------
  Ratio of net expenses to average daily net assets                      1.49%**                 1.45%**
  Ratio of net expenses to average daily net assets
    before waiver/reimbursement                                          7.45%**                 9.72%**
  Ratio of net investment income to average daily net assets              0.05%**                0.21%**
  Portfolio turnover rate                                                 6.71%                  6.71%
</TABLE>

(a) Select shares were first offered for sale to investors on October 23, 1996.
(1) Total return would have been lower had certain fees and expenses not been
    waived.
*   Not Annualized.
**  Annualized.

    

<PAGE>
                          INVESTMENT OBJECTIVES AND POLICIES

U.S. SMALL CAPITALIZATION SERIES

    The investment objective of the U.S. Small Capitalization Series is to seek
total return greater than that of the Russell 2000 Index through investment
primarily in equity securities of smaller companies which are traded principally
in the markets of the United States. Total return is a combination of capital
appreciation and current income (dividend or interest). In the case of the Fund,
total return will be measured by changes in value of an investment over a given
period, assuming that any dividends or capital gains distributions are
reinvested in the Fund rather than paid to the investor in cash. The Fund does
not seek to MAXIMIZE total return but, as indicated above, seeks a total return
greater than that of the common stocks referred to above. Because the companies
in which the Fund invests typically do not distribute significant amounts of
company earnings to shareholders, the Fund's objective will place relatively
greater emphasis on capital appreciation than on current income. The Fund's
investment objective is non-fundamental and thus may be changed by the Trustees
without shareholder approval.

    It is currently expected that, under normal circumstances, most of the
Fund's assets will be invested in common stocks of companies with total market
capitalization of less than $750 million ("small capitalization securities").
This corresponds with the defining range of market capitalization of companies
in the Russell 2000 Index. Investments in issuers of small capitalization
securities may present greater opportunities for capital appreciation because of
high potential earnings growth, but may also involve greater risk. See "General
Description of Risks and Fund Investments - Companies with Small Market
Capitalizations" below.

   
    To meet redemptions or pending investments in common stocks, the Fund may
also temporarily hold a portion of its assets not invested in small
capitalization securities in full faith and credit obligations of the United
States government (e.g., U.S. Treasury Bills) and in short-term notes,
commercial paper or other money market instruments of high quality (i.e., rated
at least "A-2" or "AA" by Standard & Poor's ("S&P") or Prime 2 or "Aa" by
Moody's Investors Service, Inc. ("Moody's")) issued by companies having an
outstanding debt issue rated at least "AA" by S&P or at least "Aa" by Moody's,
or determined by the Manager to be of comparable quality to any of the
foregoing. The Fund may also invest in stock index futures.  See "General
Description of Risks and Fund Investments - Stock Index Futures" below.
    
   
    Also, the Fund may invest without limit in common stocks of foreign issuers
which are listed on a United States securities exchange or traded in the United
States in the OTC market. Investments in common stocks of foreign issuers may
involve certain special risks due to foreign economic, political and legal
developments. See "General Description of Risks and Fund Investments - Special
Considerations of Foreign Investments" below. The Fund will not invest in
securities which are principally traded outside of the United States.
    

FUNDAMENTAL POLICIES.  The Fund will normally invest most of its assets in small
capitalization securities, and it is a fundamental policy of the Fund, which may
not be changed without shareholder approval, that at least 65% of the Fund's
total assets will be invested in small capitalization securities.

INTERNATIONAL SMALL CAPITALIZATION SERIES

    The investment objective of the International Small Capitalization
Series is to seek total return greater than the Cazenove Rosenberg Global
Smaller Companies Index excluding the United States ("CRIEXUS") through
investment primarily in equity securities (i) that are traded principally in
securities markets outside of the United States and (ii) that represent
interests in companies currently with market capitalizations of between $15
million and $1 billion at the time of purchase by the Fund. Such companies are
referred to herein as "small capitalization companies." CRIEXUS is comprised of
stocks of small capitalization companies in mature markets. Total return is a
combination of capital appreciation and current income (dividend or interest).
In the case of the Fund, total return will be measured by changes in value of an
investment over a given period, assuming that any dividends or capital gains
distributions are reinvested in the Fund rather than paid to the investor in
cash. The Fund does not seek to MAXIMIZE total return but, as indicated above,
seeks a total return greater than that of the common stocks referred to above.
Because the companies in which the Fund invests typically do not distribute
significant amounts of company earnings to shareholders, the Fund's objective
will place relatively greater emphasis on capital appreciation than on current
income. The Fund's investment objective is non-fundamental and thus may be
changed by the Trustees without shareholder approval.
<PAGE>

   
    There are no prescribed limits on the Fund's geographic asset distribution
and the Fund has the authority to invest in securities traded in securities
markets of any country in the world. It is currently expected that the Fund will
invest in approximately twenty different countries across three regions -
Europe, Pacific and North America (excluding the United States). Under certain
adverse investment conditions, the Fund may restrict the number of securities
markets in which its assets will be invested, although under normal market
circumstances, the Fund's investments will involve securities principally traded
in at least three different countries. See "General Description of Risks and
Fund Investments - Special Considerations of Foreign Investments" below.
    

    Under normal circumstances, at least 90% of the Fund's total assets will be
invested in common stocks of small capitalization companies. It is the
non-fundamental policy of the Fund to invest at least 65% of the Fund's total
assets in common stocks of small capitalization companies. Investments in such
companies may present greater opportunities for capital appreciation because of
high potential earnings growth, but may also involve greater risk. See "General
Description of Risks and Fund Investments - Companies with Small Market
Capitalizations" below.

    The Fund will not normally invest in securities of United States issuers
traded on United States securities markets.

JAPAN SERIES

    The investment objective of the Japan Series is to seek total return
greater than that of the Tokyo Stock Price Index ("TOPIX") of the Tokyo Stock
Exchange. TOPIX is a capitalization weighted index of all stocks in the First
Section of the Tokyo Stock Exchange. Total return is a combination of capital
appreciation and current income (dividend or interest). The Fund will seek to
meet this objective primarily through investment in Japanese equity securities,
primarily in common stocks of Japanese companies. The Fund expects that any
income it derives will be from dividend or interest payments on securities. The
Fund's investment objective is non-fundamental and thus may be changed by the
Trustees without shareholder approval.

   
    It is currently expected that, under normal circumstances, the Fund will
invest at least 90% of its assets in "Japanese Securities," that is, securities
issued by entities ("Japanese Companies") that are organized under the laws of
Japan and that either have 50% or more of their assets in Japan or derive 50% or
more of their revenues from Japan. While the Fund will invest primarily in
common stocks of Japanese Companies, it may also invest in other Japanese
Securities, such as convertible preferred stock or debentures, warrants or
rights, as well as short-term government debt securities or other short-term
prime obligations (i.e., high quality debt obligations maturing not more than
one year from the date of issuance). The Fund will not customarily purchase
warrants or rights, although it may receive warrants or rights through
distributions on other securities it owns. In those cases, the Fund expects to
sell such warrants and rights within a reasonable period of time following their
distribution to the Fund. The Fund does not currently expect to own warrants or
rights with an aggregate value of greater than 5% of the Fund's assets.
    

    The Fund currently intends to make its investments in Japanese equity
securities, principally in well-established Japanese Companies that have an
active market for their shares. Japanese Companies will be considered
well-established if they have been subject for at least two years to the
financial accounting rules for a company whose securities are traded on a
Japanese securities exchange. In the discretion of the Fund's management, the
balance of the Fund's investments may be in companies that do not meet all such
qualifications, although the nature of the market for the shares will always be
an important consideration in determining whether the Fund will invest in such
shares. The Fund anticipates that most Japanese equity securities in which it
will invest, either directly or indirectly (by means of convertible debentures),
will be listed on securities exchanges in Japan.

INDEX FUTURES.  The Fund may also purchase futures contracts or options on
futures contracts on the Tokyo Stock Price Index ("TOPIX") or the NIKKEI 225
Index ("NIKKEI") for investment purposes. TOPIX futures are traded on the
Chicago Board of Trade and NIKKEI futures are traded on the Chicago Mercantile
Exchange. See "General Description of Risks and Fund Investments--Stock Index
Futures" below.

   
RISKS OF INVESTING IN JAPANESE SECURITIES.  Unlike other mutual funds which
invest in the securities of many countries, the Fund will invest almost
exclusively in Japanese Securities. Generally, the Manager will not vary the
percentage of the Fund's assets which are invested in Japanese Securities based
on its assessment of Japanese economic, political or regulatory developments or
changes in currency exchange rates. However, the Manager has from time to time
hedged up to    % and reserves the right
            ---
    
<PAGE>

   
to hedge up to 100% of the Fund's total assets against a possible decline in the
Japanese Securities market by utilizing futures and options on futures on
Japanese stock indices as described above.
    
   
    Because a high percentage of the Fund's assets will be invested in Japanese
Securities, investment in the Fund will involve the general risks associated
with investing in foreign securities. See "General Description of Risks and Fund
Investments--Special Considerations of Foreign Investments" below. In addition,
investors will be subject to the market risk associated with investing almost
exclusively in stocks of companies which are subject to Japanese economic
factors and conditions. Since the Japanese economy is dependent to a significant
extent on foreign trade, the relationships between Japan and its trading
partners and between the yen and other currencies are expected to have a
significant impact on particular Japanese companies and on the Japanese economy
generally. The Fund is designed for investors who are willing to accept the
risks associated with changes in such conditions and relationships.
    

FUNDAMENTAL POLICIES.  The Fund will normally invest at least 90% of its total
assets in Japanese Securities, and it is a fundamental policy of the Fund, which
may not be changed without shareholder approval, that at least 65% of the Fund's
total assets will be invested in Japanese Securities.

                  GENERAL DESCRIPTION OF RISKS AND FUND INVESTMENTS

INVESTMENT RISKS.  An investment in the Funds involves risks similar to those of
investing in common stocks directly. Just as with common stocks, the value of
Fund shares may increase or decrease depending on market, economic, political,
regulatory and other conditions affecting a Fund's portfolio. These types of
risks may be greater with respect to investments in securities of foreign
issuers. Investment in shares of the Funds is, like investment in common stocks,
more volatile and risky than some other forms of investment.

COMPANIES WITH SMALL MARKET CAPITALIZATIONS.  As specified above, the U.S. Small
Capitalization Series and the International Small Capitalization Series will
invest a relatively high percentage of their assets in companies with relatively
small market capitalizations (generally, market capitalizations of under $750
million for the U.S. Small Capitalization Series and under $1 billion for the
International Small Capitalization Series). Companies with small market
capitalizations may be dependent upon a single proprietary product or market
niche, may have limited product lines, markets or financial resources, or may
depend on a limited management group. Typically, such companies have fewer
securities outstanding, which may be less liquid than securities of larger
companies. Their common stock and other securities may trade less frequently and
in limited volume and are generally more sensitive to purchase and sale
transactions. Therefore, the prices of such securities tend to be more volatile
than the prices of securities of companies with larger market capitalizations.
As a result, the absolute values of changes in the price of securities of
companies with small market capitalizations may be greater than those of larger,
more established companies.

SPECIAL CONSIDERATIONS OF FOREIGN INVESTMENTS.  Investing in foreign securities
(i.e., those which are traded principally in markets outside of the United
States) involves certain risks not typically found in investing in U.S. domestic
securities. These include risks of adverse change in foreign economic,
political, regulatory and other conditions, and changes in currency exchange
rates, exchange control regulations (including currency blockage), expropriation
of assets or nationalization, imposition of withholding taxes on dividend or
interest payments, and possible difficulty in obtaining and enforcing judgments
against foreign entities. Furthermore, issuers of foreign securities are subject
to different, and often less comprehensive, accounting, reporting and disclosure
requirements than domestic issuers. In certain countries, legal remedies
available to investors may be more limited than those available with respect to
investments in the United States or other countries. The laws of some foreign
countries may limit a Fund's ability to invest in securities of certain issuers
located in those countries. The securities of some foreign issuers and
securities traded principally in foreign securities markets are less liquid and
at times more volatile than securities of comparable U.S. issuers and securities
traded principally in U.S. securities markets. Foreign brokerage commissions and
other fees are also generally higher than those charged in the United States.
There are also special tax considerations which apply to securities of foreign
issuers and securities traded principally in foreign securities markets.

    The risks of investing in foreign securities may be intensified in the case
of investments in emerging markets or countries with limited or developing
capital markets. Prices of securities of companies in emerging markets can be
significantly more volatile than prices of securities of companies in the more
developed nations of the world, reflecting the greater

<PAGE>

uncertainties of investing in less developed markets and economies. In
particular, countries with emerging markets may have relatively unstable
governments, present the risk of nationalization of businesses, restrictions on
foreign ownership, or prohibitions of repatriation of assets, and may have less
protection of property rights than more developed countries. The economies of
countries with emerging markets may be predominantly based on only a few
industries or dependent on revenues from particular commodities or on
international aid or development assistance, may be highly vulnerable to changes
in local or global trade conditions, and may suffer from extreme and volatile
debt burdens or inflation rates. Local securities markets may trade a small
number of securities and may be unable to respond effectively to increases in
trading volume, potentially making prompt liquidation of substantial holdings
difficult or impossible at times. Consequently, securities of issuers located in
countries with emerging markets may have limited marketability and may be
subject to more abrupt or erratic price movements. Also, such local markets
typically offer less regulatory protections for investors.

   
FOREIGN EXCHANGE TRANSACTIONS.  The International Equity Portfolios of the Trust
(i.e., the International Small Capitalization Series and the Japan Series) do
not currently intend to hedge the foreign currency risk associated with
investments in securities denominated in foreign currencies. However, in order
to hedge against possible variations in foreign exchange rates pending the
settlement of securities transactions, the International Equity Portfolios
reserve the right to buy or sell foreign currencies or to deal in forward
foreign currency contracts; that is, to agree to buy or sell a specified
currency at a specified price and future date. The International Equity
Portfolios also reserve the right to invest in currency futures contracts and
related options thereon for similar purposes. For example, if the Manager
anticipates that the value of the yen will rise relative to the dollar, a Fund
could purchase a currency futures contract or a call option thereon or sell
(write) a put option to protect against a currency-related increase in the price
of yen-denominated securities such Fund intends to purchase. If the Manager
anticipates a fall in the value of the yen relative to the dollar, a Fund could
sell a currency futures contract or a call option thereon or purchase a put
option on such futures contract as a hedge. If the International Equity
Portfolios change their present intention and decide to utilize hedging
strategies, futures contracts and related options will be used only as a hedge
against anticipated currency rate changes (not for investment purposes) and all
options on currency futures written by a Fund will be covered. These practices,
if utilized, may present risks different from or in addition to the risks
associated with investments in foreign currencies.
    
STOCK INDEX FUTURES.  A stock index futures contract (an "Index Future") is a
contract to buy an integral number of units of the relevant index at a specified
future date at a price agreed upon when the contract is made. A unit is the
value at a given time of the relevant index.
   

    In connection with a Fund's investment in common stocks, a Fund may invest
in Index Futures while the Manager seeks favorable terms from brokers to effect
transactions in common stocks selected for purchase. A Fund may also invest in
Index Futures when the Manager believes that there are not enough attractive
common stocks available to maintain the standards of diversity and liquidity set
for the Fund pending investment in such stocks when they do become available.
Through the use of Index Futures, a Fund may maintain a portfolio with
diversified risk without incurring the substantial brokerage costs which may be
associated with investment in multiple issuers. This may permit a Fund to avoid
potential market and liquidity problems (e.g., driving up or forcing down the
price by quickly purchasing or selling shares of a portfolio security) which may
result from increases or decreases in positions already held by a Fund. Certain
provisions of the Internal Revenue Code may limit this use of Index Futures. A
Fund may also use Index Futures in order to hedge its equity positions.
    

    In contrast to purchases of a common stock, no price is paid or received by
a Fund upon the purchase of a futures contract. Upon entering into a futures
contract, a Fund will be required to deposit with its custodian in a segregated
account in the name of the futures broker a specified amount of cash or
securities. This is known by participants in the market as "initial margin." The
type of instruments that may be deposited as initial margin, and the required
amount of initial margin, are determined by the futures exchange on which the
Index Futures are traded. The nature of initial margin in futures transactions
is different from that of margin in securities transactions in that futures
contract margin does not involve the borrowing of funds by the customer to
finance the transactions. Rather, the initial margin is in the nature of a
performance bond or good faith deposit on the contract which is returned to the
Fund upon termination of the futures contract, assuming all contractual
obligations have been satisfied. Subsequent payments, called "variation margin,"
to and from the broker, will be made on a daily basis as the price of the
particular Index fluctuates, making the position in the futures contract more or
less valuable, a process known as "marking to the market."

<PAGE>

    A Fund may close out a futures contract purchase by entering into a futures
contract sale. This will operate to terminate the Fund's position in the futures
contract. Final determinations of variation margin are then made, additional
cash is required to be paid by or released to the Fund, and the Fund realizes a
loss or a gain.

   
    A Fund's use of Index Futures involves risk. Positions in Index Futures may
be closed out by a Fund only on the futures exchanges on which the Index Futures
are then traded. There can be no assurance that a liquid market will exist for
any particular contract at any particular time. The liquidity of the market in
futures contracts could be adversely affected by "daily price fluctuation
limits" established by the relevant futures exchange which limit the amount of
fluctuation in the price of an Index Futures contract during a single trading
day. Once the daily limit has been reached in the contract, no trades may be
entered into at a price beyond the limit. In such events, it may not be possible
for a Fund to close its futures contract purchase, and, in the event of adverse
price movements, a Fund would continue to be required to make daily cash
payments of variation margin. The futures market may also attract more 
speculators than does the securities market, because deposit requirements in the
futures market are less onerous than margin requirements in the securities 
market. Increased participation by speculators in the futures market may also
cause price distortions.
    
   
    A Fund will not purchase Index Futures if, as a result, the Fund's initial
margin deposits on transactions that do not constitute "bona fide hedging" under
relevant regulations of the Commodities Futures Trading Commission would be
greater than 5% of the Fund's total assets. In addition to margin deposits, when
a Fund purchases an Index Future, it is required to maintain, at all times while
an Index Future is held by the Fund, cash, U.S. Government securities or other
high grade liquid securities in a segregated account with its Custodian, in an
amount which, together with the initial margin deposit on the futures contract,
is equal to the current value of the futures contract.
    

ILLIQUID SECURITIES.  Each Fund may purchase "illiquid securities," defined as
securities which cannot be sold or disposed of in the ordinary course of
business within seven days at approximately the value at which a Fund has valued
such securities, so long as no more than 15% of the Fund's net assets would be
invested in such illiquid securities after giving effect to the purchase.
Investment in illiquid securities involves the risk that, because of the lack of
consistent market demand for such securities, the Fund may be forced to sell
them at a discount from the last offer price.

   
PORTFOLIO TURNOVER.  Portfolio turnover is not a limiting factor with respect to
investment decisions. Although the rate of portfolio turnover is very difficult
to predict, it is not anticipated that, under normal circumstances, the annual
portfolio turnover rate for the International Equity Series will exceed 100%. 
In any particular year, market conditions may well result in greater 
portfolio turnover rates than are presently anticipated. The rate of a Fund's 
portfolio turnover may vary significantly from time to time depending on the 
volatility of economic and market conditions. High portfolio turnover 
involves correspondingly greater brokerage commissions and other transaction 
costs, which will be borne directly by a Fund, and could involve realization 
of capital gains that would be taxable when distributed to shareholders of 
such Fund. To the extent portfolio turnover results in the realization of net 
short-term capital gains, such gains ordinarily are taxed to shareholders at 
ordinary income tax rates.
    

LOANS OF PORTFOLIO SECURITIES.  Each Fund may lend some or all of its portfolio
securities to broker-dealers. Securities loans are made to broker-dealers
pursuant to agreements requiring that loans be continuously secured by
collateral in cash or U.S. Government securities at least equal at all times to
the market value of the securities lent. The borrower pays to the lending Fund
an amount equal to any dividends or interest received on the securities lent.
When the collateral is cash, the Fund may invest the cash collateral in
interest-bearing, short-term securities. When the collateral is U.S. Government
securities, the Fund usually receives a fee from the borrower. Although voting
rights or rights to consent with respect to the loaned securities pass to the
borrower, a Fund retains the right to call the loans at any time on reasonable
notice, and it will do so in order that the securities may be voted by the Fund
if the holders of such securities are asked to vote upon or consent to matters
materially affecting the investment. A Fund may also call such loans in order to
sell the securities involved. The risks in lending portfolio securities, as with
other extensions of credit, include possible delay in recovery of the securities
or possible loss of rights in the collateral should the borrower fail
financially. However, such loans will be made only to broker-dealers that are
believed by the Manager to be of relatively high credit standing.

INVESTMENT POLICIES.  Except for investment policies which are explicitly
described as fundamental, the investment policies of each of the Funds may be
changed without shareholder approval. In addition to the policies described in
this Prospectus, please see the Statement of Additional Information for a
statement of fundamental and non-fundamental policies of the Funds.

   
    

<PAGE>

                               MANAGEMENT OF THE TRUST

    Each Fund is advised and managed by Rosenberg Institutional Equity
Management (the "Manager") which provides investment advisory services to a
substantial number of institutional investors.

KEY PERSONNEL OF THE MANAGER

    The biography of each of the General Partners of the Manager, each of whom
is also a Trustee of the Trust, is set forth below.

BARR ROSENBERG.  Dr. Rosenberg is Managing General Partner and Chief Investment
Officer for the Manager. As such, he has ultimate responsibility for the
Manager's securities valuation and portfolio optimization systems used to manage
the Funds and for the implementation of the decisions developed therein. His
area of special concentration is the design of the Manager's proprietary
securities valuation model.

    Dr. Rosenberg earned a B.A. degree from the University of California,
Berkeley, in 1963. He earned an M.Sc. from the London School of Economics in
1965, and a Ph.D. from Harvard University, Cambridge, Massachusetts, in 1968.
From 1968 until 1983, Dr. Rosenberg was a Professor of Finance, Econometrics,
and Economics at the School of Business Administration at the University of
California, Berkeley. Concurrently, from 1968 until 1974, Dr. Rosenberg worked
as a consultant in applied decision theory in finance, banking, and medicine. In
1975, he founded Barr Rosenberg Associates, a financial consulting firm (now
know as BARRA) where he was a managing partner, and later chief scientist.
Dr. Rosenberg, the founder of the Berkeley Program in Finance, is acknowledged
as an expert in the modeling of complex processes with substantial elements of
risk.

MARLIS S. FRITZ.  Ms. Fritz is a General Partner for the Manager. She has
primary responsibility for the Manager's new business development and secondary
responsibility for client service.

    Ms. Fritz earned a B.S. degree from the University of Michigan, Ann Arbor,
in 1971. After working in life insurance management and sales for seven years,
she entered the investment management business in 1978 as Marketing Associate
with Forstmann-Leff Associates, New York. From 1983 until 1985, she was Vice
President, Marketing at Criterion Investment Management Company, Houston, Texas.

KENNETH REID.  Dr. Reid is a General Partner and Director of Research for the
Manager. His work is focused on the design and estimation of the Manager's
valuation models and he has primary responsibility for analyzing the empirical
evidence that validates and supports the day-to-day recommendations of the
Manager's securities valuation models. Patterns of short-term price behavior
discussed by Dr. Reid as part of his Ph.D. dissertation have been refined and
incorporated into the Manager's proprietary valuation and trading systems.

    Dr. Reid earned both a B.A. degree (1973) and an M.D.S. (1975) from Georgia
State University, Atlanta. In 1982, he earned a Ph.D. from the University of
California, Berkeley, where he was awarded the American Bankers Association
Fellowship. From 1981 until June 1986, Dr. Reid worked as a consultant at BARRA
in Berkeley, California. His responsibilities included estimating
multiple-factor risk models, designing and evaluating active management
strategies, and serving as an internal consultant on econometric matters in
finance.

    There are 38 professional staff members of the Manager and the Manager's
affiliate, Barr Rosenberg Investment Management, Inc., located in Orinda,
California. Included among the Manager's professional staff are eight
individuals with Ph.D.s and twenty-three individuals with other graduate
degrees. Five members of the staff have been awarded C.F.A. certificates.

THE OUTSIDE TRUSTEES

    William F. Sharpe and Nils H. Hakansson are Trustees of the Trust who are
not "interested persons" (as defined in the Investment Company Act of 1940, as
amended) of the Trust or the Manager.

<PAGE>

    Dr. Sharpe is the STANCO 25 Professor of Finance at Stanford University's
Graduate School of Business. He is best known as one of the developers of the
Capital Asset Pricing Model, including the beta and alpha concepts used in risk
analysis and performance measurement. He developed the widely-used binomial
method for the valuation of options and other contingent claims. He also
developed the computer algorithm used in many asset allocation procedures.
Dr. Sharpe has published articles in a number of professional journals. He has
also written six books, including PORTFOLIO THEORY AND CAPITAL MARKETS,
(McGraw-Hill, 1970), ASSET ALLOCATION TOOLS, (Scientific Press, 1987),
FUNDAMENTALS OF INVESTMENTS (with Gordon J. Alexander and Jeffery Bailey,
Prentice-Hall, 1993) and INVESTMENTS (with Gordon J. Alexander and Jeffery
Bailey, Prentice-Hall, 1995). Dr. Sharpe is a past President of the American
Finance Association. He has also served as consultant to a number of
corporations and investment organizations. He is also a member of the Board of
Trustees of Smith Breeden Trust, an investment company, and a director at CATS
Software and Stanford Management Company. He received the Nobel Prize in
Economic Sciences in 1990.

   
    Professor Hakansson is the Sylvan C. Coleman Professor of Finance and
Accounting at the Haas School of Business, University of California, Berkeley.
He is a former member of the faculty at UCLA as well as at Yale University. At
Berkeley, he served as Director of the Berkeley Program in Finance (1988-1991)
and as Director of the Professional Accounting Program (1985-1988). Professor
Hakansson is a Certified Public Accountant and spent three years with Arthur
Young & Company prior to receiving his Ph.D. from UCLA in 1966. He has twice
been a Visiting Scholar at Bell Laboratories in New Jersey and was, in 1975, the
Hoover Fellow at the University of New South Wales in Sydney and, in 1982, the
Chevron Fellow at Simon Fraser University in British Columbia. In 1984,
Professor Hakansson was a Special Visiting Professor at the Stockholm School of
Economics, where he was also awarded an honorary doctorate in economics. He is a
past president of the Western Finance Association (1983-1984). Professor
Hakansson has published numerous articles in academic journals and in
professional volumes. Many of his papers address various aspects of asset
allocation procedures as well as topics in securities innovation, information
economics, and financial reporting. He has served on the editorial boards of
several professional journals and been a consultant to the RAND Corporation and
a number of investment organizations. Professor Hakansson is a member of the
board of two foundations and a past board member of SuperShare Service
Corporation and of Theatrix Interactive, Inc. He is also a Fellow of the
Accounting Researchers International Association and a member of the Financial
Economists Roundtable.
    


THE MANAGER'S GENERAL INVESTMENT PHILOSOPHY AND STRATEGY

    The Manager attempts to add value relative to the designated benchmark
through a quantitative stock selection process, and seeks to diversify
investment risk across the several hundred holdings in each Fund. In seeking to
outperform each Fund's designated benchmark, the Manager also attempts to
control risk in the Fund's portfolio relative to the securities constituting
that benchmark. So that each Fund is substantially invested in equities at all
times, the Manager does not earn the extraordinary return, or "alpha," by timing
the market. The Manager seeks to avoid constructing portfolios that
significantly differ from the relevant benchmark with respect to characteristics
such as market capitalization, historic volatility, or "beta," and industry
weightings. Each Fund seeks to have a similar exposure to these factors as the
designated benchmark.

INVESTMENT PHILOSOPHY.  The Manager's investment strategy is based on the belief
that stock prices imperfectly reflect the present value of the expected future
earnings of companies, their "fundamental value." The Manager believes that
market prices will converge towards fundamental value over time, and that
therefore, any investor who can accurately determine fundamental value, and who
applies a disciplined investment process to select those stocks that are
currently undervalued (i.e., the price is less than fundamental value), will
outperform the market over time.

    The premise of the Manager's investment philosophy is that there is a link
between the price of a stock and the underlying financial and operational
characteristics of the company. In other words, the price reflects the market's
assessment of how well the company is positioned to generate future earnings
and/or future cash flow. The Manager identifies and purchases those stocks which
are undervalued (i.e., they are currently cheaper than similar stocks with the
same characteristics). The Manager believes that the market will recognize the
"better value" and that the mispricing will be corrected as the stocks in the
Funds' portfolios are purchased by other investors.

    Determination of the relative valuation of a stock is based upon a
comparison of similar companies. In any group of similar companies, it is the
Manager's view that there are always some that are overvalued, some that are
undervalued, and some that are fairly-valued relative to the average valuation
for the group. These moderate valuation errors are believed to be present in
every sector of the market and can be identified through rigorous quantitative
analysis of fundamental data.

<PAGE>

    In determining whether or not a stock is attractive, the Manager considers
the company's current estimated fundamental value as determined by the Manager's
proprietary Appraisal Model, the company's future earnings, and investor
sentiment toward the stock. The Manager identifies and causes a Fund to purchase
an undervalued stock and to hold it in the relevant Fund's portfolio until the
market recognizes and corrects for the misvaluation. The Funds' portfolios are
composed of undervalued stocks from every sector represented in the relevant
Fund's benchmark, with a typical portfolio consisting of several hundred stocks.

DECISION PROCESS.  The Manager's decision process is a continuum. Its research
function develops Models which analyze the 12,000 securities in the global
universe, both fundamentally and technically, and determines the risk
characteristics of the relevant Fund's benchmark. The portfolio management
function optimizes each portfolio's composition, executes trades, and monitors
performance and trading costs.

    The essence of the Manager's approach is rigorous attention to important
aspects of the investment process. Factors crucial to successful stock selection
include: (1) accurate and timely data on a large universe of companies;
(2) subtle quantitative descriptors of value and predictors of changes in value;
and (3) insightful definitions of similar businesses. The Manager takes great
care assimilating, checking and structuring the input data on which its Models
rely. The Manager believes that if the data is correct, the recommendations made
by the system will be sound.

STOCK SELECTION.  Fundamental valuation of stocks is key to the Manager's
investment process, and the heart of the valuation process lies in the Manager's
proprietary Appraisal Model. Analysis of companies in the United States and
Canada is conducted in a single unified Model. The Appraisal Model discriminates
where the two markets are substantially different, while simultaneously
comparing companies in the two markets according to their degrees of similarity.
European companies and Asian companies (other than Japanese companies) are
analyzed in a nearly global Model, which includes the United States and Canada
as a further basis for comparative valuation, but which excludes Japan. Japanese
companies are analyzed in an independent national Model. The Model incorporates
the various accounting standards which apply in different markets and makes
adjustments to ensure meaningful comparisons.

    An important feature of the Appraisal Model is the classification of
companies into one or more of 166 groups of "similar" businesses. Currently, in
the United States, 160 groups are applicable; in Japan, 122 groups are
applicable; and in Europe, 154 groups are applicable. Each company is broken
down into its individual business segments, and each segment is compared with
similar business operations of other companies doing business in the same
geographical market. In most cases, the comparison is extended to include
companies with similar business operations in different markets. Subject to the
availability of data in different markets, the Manager appraises the company's
assets, operating earnings and sales within each business segment, accepting the
market's valuation of that category of business as fair. The Manager then
integrates the segment appraisals into balance sheet, income statement, and
sales valuation models for the total company, and simultaneously adjusts the
segment appraisals to include appraisals for variables which are declared only
for the total company, such as taxes, capital structure, and pension funding.
The result is a single valuation for each of the 12,000 companies followed.

    The difference between the Manager's appraisal and the market price is
believed to represent an opportunity for profit. For each stock, the Manager
develops "appraisal alphas" (i.e., the expected rate of extraordinary return) by
adjusting for the rate at which the market has corrected for such misvaluations
in the past.

    A second sphere of analysis is captured by the Manager's proprietary
Earnings Change Model, which analyzes more than 20 variables to predict
individual company earnings over a one year horizon. The variables are
fundamental and fall into three categories: measures of past profitability,
measures of company operations and consensus earnings forecasts. The Earnings
Change Model is independent of the Appraisal Model and projects the change in a
company's earnings in cents/current price. The value of the projected earnings
change is converted to an "earnings change alpha" by multiplying the projected
change by the market's historical response to changes of that magnitude.

    Finally, the Manager's proprietary Investor Sentiment Model quantifies
investor sentiment about features of stocks which influence price but which are
not captured by the Appraisal Model or the Earnings Change Model. This Model
measures company quality by looking at past price patterns and by predicting the
probability of deficient earnings. The Investor Sentiment Model also captures
market enthusiasm towards individual stocks by looking at broker recommendations
and analyst estimates. Investor sentiment alphas are developed by multiplying
the Model's sentiment scores by the market's historical response to such scores.

<PAGE>

    Each company's earnings change alpha and investor sentiment alpha is added
to its appraisal alpha to arrive at a total company alpha. Stocks with large
positive total company alphas are candidates for purchase. Stocks held in a
portfolio with total company alphas that are only slightly positive, zero or
negative are candidates for sale.

    Before trading, the Manager systematically analyzes the short-term price
behavior of individual stocks to determine the timing of trades. The Investor
Sentiment Model quantifies investor enthusiasm for each stock by analyzing its
short-term performance relative to similar stocks, changes in analyst and broker
opinions about the stock, and earnings surprises. The Manager develops a
"trading alpha" for each stock (i.e., the expected short-term extraordinary
return) which is designed to enable the Funds to purchase stocks from supply and
to sell stocks into demand, greatly reducing trading costs.

OPTIMIZATION.  The Manager's portfolio optimization system seeks to optimize the
trade-off between risk and reward relative to each Fund's benchmark. It exploits
the information developed by the Manager's stock selection Models to maximize
return relative to the benchmark, while avoiding a portfolio with exposure to
any other extraneous factors that would distinguish the Fund's portfolio from
the stocks constituting the relevant benchmark. Within the geographic zone
appropriate for each Fund, the optimizer recommends positions in companies which
in aggregate constitute the most efficient portfolio. The optimizer
simultaneously considers total company alphas, trading alphas, and risk and
quantifies the expected "net benefit" to the portfolio of each recommended
transaction. A stock is considered for sale when a higher alpha stock with
complementary risk characteristics has been identified. No transaction will be
executed unless the opportunity offered by the purchase candidate sufficiently
exceeds the potential of an existing holding to justify the transaction costs.
In most markets, portfolios are reoptimized continuously throughout the day,
allowing the Manager to respond immediately to investment opportunities, subject
to certain limitations on short-term trading applicable by virtue of each Fund's
intention to qualify as a regulated investment company under the Internal
Revenue Code.

TRADING.  The Manager's trading system aggregates the recommended transactions
for each of the Funds and determines the feasibility of each recommendation in
light of the stock's liquidity, the expected transaction costs, and general
market conditions. It relays target price information to a trader for each stock
considered for purchase or sale. Trades are executed through any one of four
trading strategies: traditional brokerage, networks, accommodation, and package
or "basket" trades.

    The network arrangements the Manager has developed with Instinet Matching
System (IMS), Portfolio System for Institutional Trading (POSIT), and the
Arizona Stock Exchange (AZX) facilitate large volume trading with little or no
price disturbance and low commission rates.

    Accommodative trading (which we also refer to as the Manager's "match
system") allows institutional buyers and sellers of stock to electronically
present the Manager with their "interest" lists each morning. Any matches
between the inventory which the brokers have presented and the Manager's own
recommended trades are signaled to the Manager's traders. Since the broker is
doing agency business and has a client on the other side of the trade, the
Manager expects that the other side will be accommodative in the price. The
Manager's objective in using this match system is to execute most trades on the
Manager's side of the bid/ask spread so as to minimize market impact.

    Package trades further allow the Manager to trade large lists of orders
simultaneously using state of the art tools such as the Instinet Real-Time
System, Instinet Order Matching System and Lattice Trading System. Those tools
provide order entry, negotiation and execution capabilities, either directly to
other institutions or electronically to the floor of the exchange. The
advantages of using such systems include speed of execution, low commissions,
anonymity and very low market impact.

    The Manager continuously monitors trading costs to determine the impact of
commissions and price disturbance on the Funds' portfolios.

INDIVIDUALS RESPONSIBLE FOR EACH FUND

    Each of the following General Partners of the Manager holds a greater than
5% interest in the Manager: Marlis S. Fritz and Kenneth Reid. Rosenberg Alpha
L.P., a California limited partnership, is a limited partner of the Manager and
holds a greater than 5% interest in the Manager. Barr M. Rosenberg, the Managing
General Partner of the Manager, and his wife, June Rosenberg, each holds a
greater than 5% general partnership interest in Rosenberg Alpha L.P.

<PAGE>

    Management of the portfolio of each Fund is overseen by the Manager's
General Partners who are responsible for design and maintenance of the Manager's
portfolio system, and by a portfolio manager who is responsible for research and
monitoring each Fund's characteristic performance against the relevant benchmark
and for monitoring cash balances.

U.S. SMALL CAPITALIZATION SERIES.  Dr. Rosenberg, Dr. Reid and Floyd Coleman,
the portfolio manager, are responsible for the day-to-day management of the U.S.
Small Capitalization Series' portfolio. Dr. Rosenberg and Dr. Reid both have
been employed by the Manager for the past eleven years. Mr. Coleman has been a
trader and portfolio manager for the Manager since 1988. He received a B.S. from
Northwestern University in 1982, a M.S. from Polytechnic Institute, Brooklyn in
1984 and a M.B.A. from Harvard Business School in 1988.

JAPAN SERIES.  Dr. Rosenberg, Dr. Reid, and Cheng S. Liao, the portfolio
manager, are responsible for the day-to-day management of the Japan Series'
portfolio. Mr. Liao has been a senior research associate, programmer and
portfolio manager, specializing in the Japanese market with the Manager since
1989. Mr. Liao has also been a trader for the Manager in Japanese securities
since 1994. He received a B.S. from Tohobu University, Japan, in 1984, a M.S.
from Stanford University in 1986, and a M.S. in Computer Science from
Polytechnic Institute, New York in 1988.

INTERNATIONAL SMALL CAPITALIZATION SERIES.  Dr. Rosenberg, Dr. Reid and Joseph
Leung, the portfolio manager, are responsible for the day-to-day management of
the International Small Capitalization Series' portfolio. Mr. Leung has been a
senior research associate, programmer and portfolio manager with the Manager
since 1993. He received a B.S. and a B.A. from Queen's University, Ontario,
Canada in 1989 and a M.B.A. from the University of Chicago in 1993.

MANAGEMENT CONTRACTS
   
    Under separate Management Contracts with the Trust on behalf of each Fund,
the Manager selects and reviews each Fund's investments and provides executive
and other personnel for the management of the Trust. Pursuant to the Trust's
Agreement and Declaration of Trust, as amended, the Board of Trustees supervises
the affairs of the Trust as conducted by the Manager. In the event that the
Manager ceases to be the manager of a Fund, the right of the Trust to use the
identifying name "Barr Rosenberg" and/or "Rosenberg" may be withdrawn.
    
   
    Each Fund will pay all other expenses incurred in the operation of such
Fund, including, but not limited to, brokerage commissions and transfer taxes in
connection with the Fund's portfolio transactions, all applicable taxes and
filing fees, distribution fees, shareholder servicing fees, the fees and
expenses for registration or qualification of its shares under the federal or
state securities laws, the compensation of trustees who are not partners,
officers or employees of the Manager, interest charges, expenses of issue or
redemption of shares, charges of custodians, auditing and legal expenses,
expenses of determining net asset value of Fund shares, reports to shareholders,
expenses of meetings of shareholders, expenses of printing and mailing
prospectuses, proxy statements and proxies to existing shareholders, insurance
premiums and professional association dues or assessments.
    

    In addition, each Fund has agreed to pay the Manager a quarterly management
fee at the annual percentage rate of the relevant Fund's average daily net
assets set forth below. The Manager has agreed to voluntarily waive some or all
of its management fee and, if necessary, to bear certain expenses of each Fund
until further notice to the extent required to limit the total annual operating
expenses (which do not include nonrecurring account fees and extraordinary
expenses) of each class of shares to the percentage of each Fund's average daily
net assets attributable to that class listed in the Expense Limitation column
below.  The Manager's fee for management of each of the Funds is higher than
that paid by most other mutual funds.  

<PAGE>

<TABLE>
<CAPTION>

                                                                     EXPENSE LIMITATION (AS A %
                                   CONTRACTUAL MANAGEMENT FEE (AS      OF AVERAGE DAILY NET
                                  A % OF AVERAGE DAILY NET ASSETS)           ASSETS)
                                  --------------------------------   ---------------------------

<S>                                                        <C>                           <C>
INSTITUTIONAL SHARES
  U.S. Small Capitalization Series . . . . . . .            .90%                          1.15%
  Japan Series . . . . . . . . . . . . . . . . .           1.00%                          1.50%
  International Small Capitalization Series. . .           1.00%                          1.50%
ADVISER SHARES
  U.S. Small Capitalization Series . . . . . . .            .90%                          1.40%
  Japan Series . . . . . . . . . . . . . . . . .           1.00%                          1.75%
  International Small Capitalization Series. . .           1.00%                          1.75%
SELECT SHARES
  U.S. Small Capitalization Series . . . . . . .            .90%                          1.65%
  Japan Series . . . . . . . . . . . . . . . . .           1.00%                          2.00%
  International Small Capitalization Series. . .           1.00%                          2.00%

</TABLE>

   
    
ADMINISTRATOR, CUSTODIAN AND TRANSFER AGENT

   
    BISYS Fund Services ("BISYS" or the "Administrator"),a wholly-owned
subsidiary of The BISYS Group, Inc., serves as the Trust's administrator and
generally assists the Trust in all aspects of its administration and operation.
As compensation for its administrative services, BISYS receives a monthly fee
based upon an annual percentage rate of 0.15% of the aggregate average daily net
assets of the Funds.
    
   
    BISYS has also entered into an agreement with the Trust for the provision
of transfer agency services (and is referred to herein as the "Transfer Agent"
in such capacity) and dividend disbursing services for the Funds. The principal
business address of the Transfer Agent is 3435 Stelzer Road, Columbus, Ohio
43219.
    
    State Street Bank and Trust Company (the "Custodian") serves as custodian
of the assets of the Funds. The principal address of the Custodian is Mutual
Funds Division, Boston, Massachusetts 02102.
   
    A further discussion of the terms of the Trust's administrative
arrangements is contained in the Statement of Additional Information.
    
DISTRIBUTOR
   
    Adviser and Select Shares of each Fund are sold on a continuous basis by
the Company's distributor, Barr Rosenberg Funds Distributor, Inc. (the
"Distributor"), a wholly-owned subsidiary of BISYS. The Distributor's principal
offices are located at 3435 Stelzer Road, Columbus, Ohio 43219. Institutional
Shares are sold directly by the Funds.
    

    Solely for the purpose of compensating the Distributor for services and
expenses primarily intended to result in the sale of Select Shares of the Funds,
such shares are subject to an annual Distribution Fee of up to 0.50% of the
average daily net assets attributable to such shares in accordance with a
Distribution Plan (the "Distribution Plan") adopted by the Trust pursuant to
Rule 12b-1 under the 1940 Act. Currently, each Fund pays the Distributor an
annual Distribution Fee of 0.25% of the Fund's average daily net assets
attributable to Select Shares. Activities for which the Distributor may be
reimbursed include (but are not limited to) the development and implementation
of direct mail promotions and advertising for the Funds, the preparation,
printing and distribution of prospectuses for the Funds to recipients other than
existing shareholders, and contracting with one or more wholesalers of the
Funds' shares. The Distribution Plan for Select Shares went into effect on
August 5, 1996. The Distribution Plan is of the type known as a "compensation"
plan. This means that, although the trustees of the Trust are expected to take
into account the expenses of the Distributor in their periodic review of the
Distribution Plan, the fees are payable to compensate the Distributor for
services rendered even if the amount paid exceeds the Distributor's expenses.

    The Distributor may also provide (or arrange for another intermediary or
agent to provide) personal and/or account maintenance services to Adviser and
Select shareholders of the Funds (the Distributor or such entity is referred to
as a "Servicing Agent" in such capacity). A Servicing Agent will be paid some or
all of the Shareholder Servicing Fees charged with respect to Adviser and Select
Shares of the Funds pursuant to Servicing Plans for such shares.

<PAGE>

                                   MULTIPLE CLASSES
   
    As indicated previously, the Funds offer three classes of shares to
investors, with eligibility generally depending on the amount invested in the
particular Fund and whether the investor makes the investment directly or
through a financial adviser. The three classes of shares are Institutional
Shares, Adviser Shares and Select Shares.  The following table sets forth basic
investment and fee information for each class.

<TABLE>
<CAPTION>
                                                                                      ANNUAL
                       MINIMUM FUND      SUBSEQUENT                                 SHAREHOLDER         ANNUAL
    NAME OF CLASS       INVESTMENT*     INVESTMENTS*       METHOD OF INVESTMENT*    SERVICE FEE     DISTRIBUTION FEE
    -------------      ------------     ------------       ---------------------    -----------     ----------------

<S> <C>                <C>              <C>                <C>                         <C>               <C>
    Institutional      $  1 million     $    10,000        Direct                       None              None
    Adviser            $    100,000     $     1,000        Financial Adviser           .25%               None
    Select             $      2,500     $       500        Direct                      .25%              .25%


</TABLE>


- ----------
*  Certain exceptions apply. See "Institutional Shares", "Adviser Shares" and
"Select Shares" below."
    
   
    The offering price is based on the net asset value per share next
determined after an order is received.  See "Purchase of Shares" and "Redemption
of Shares."
    

INSTITUTIONAL SHARES

    Institutional Shares may be purchased by endowments, foundations and plan
sponsors of 401(a), 401(k), 451 and 403(b) plans and by individuals. In order to
be eligible to purchase Institutional Shares, an institution, plan or individual
must make an initial investment of at least $1 million in the particular Fund.
In its sole discretion, the Manager may waive this minimum investment
requirement and the Manager intends to do so for employees of the Manager, for
the spouse, parents, children, siblings, grandparents or grandchildren of such
employees and for employees of the Administrator. Institutional Shares are sold
without any initial or deferred sales charges and are not subject to any ongoing
distribution expenses or shareholder servicing fees.

ADVISER SHARES

    Adviser shares may be purchased solely through accounts established under a
fee-based program which is sponsored and maintained by a registered
broker-dealer or other financial adviser approved by the Trust's Distributor and
under which each investor pays a fee to the broker-dealer or other financial
adviser, or its affiliate or agent, for investment advisory or administrative
services. In order to be eligible to purchase Adviser Shares, a broker-dealer or
other financial adviser must make an initial investment of at least $100,000 of
its client's assets in the particular Fund. In its sole discretion, the Manager
may waive this minimum asset investment requirement. Adviser Shares are sold
without any initial or deferred sales charges and are not subject to ongoing
distribution expenses, but are subject to a Shareholder Service Fee at an annual
rate with respect to each Fund equal to 0.25% of the Fund's average daily net
assets attributable to Adviser Shares.

SELECT SHARES
   
    Select Shares may be purchased by intermediary financial institutions and
certain individual retirement accounts and individuals.  In order to be eligible
to purchase Select Shares, an eligible investor must make an initial investment
of at least $2,500 in the particular Fund. In its sole discretion, the Manager
may waive this minimum investment requirement. Select Shares are subject to an
annual Shareholder Service Fee equal to 0.25% of the average daily net assets
attributable to Select Shares and an annual Distribution Fee equal to 0.25% of
the average daily net assets attributable to Select Shares. As described above,
the Distribution Plan for Select Shares permits payments of up to 0.50% of the
Funds' average daily net assets attributable to Select Shares.
    

GENERAL

    The Shareholder Service Fee charged with respect to Adviser Shares and
Select Shares is intended to be compensation for personal services rendered and
for account maintenance with respect to such shares. The Distribution Fee
charged with

<PAGE>

respect to Select Shares is intended to compensate the Distributor for services
and expenses primarily intended to result in the sale of Select Shares.

    As described above, shares of the Funds may be sold to corporations or
other institutions such as trusts, foundations or broker-dealers purchasing for
the accounts of others ("Shareholder Organizations"). Investors purchasing and
redeeming shares of the Funds through a Shareholder Organization or through
financial advisers may be charged a transaction-based fee or other fee for the
services provided by the Shareholder Organization or financial adviser. Each
such Shareholder Organization and financial adviser is responsible for
transmitting to its customers a schedule of any such fees and information
regarding any additional or different conditions regarding purchases and
redemptions of Fund shares. Customers of Shareholder Organizations and financial
advisers should read this Prospectus in light of the terms governing accounts
with their particular organization.

                                  PURCHASE OF SHARES
   
    The offering price for shares of each Fund is the net asset value per share
next determined after receipt of a purchase order.  See "Determination of Net
Asset Value."  Investors may be charged an additional fee by their broker or
agent if they effect transactions through such persons.
    
   
    As described below, the net asset value of the Japan Series shares is
determined as of 3:00 p.m., Tokyo time. See "Determination of Net Asset Value."
Due to the 14 hour difference between Tokyo time and New York time, investors
who call in purchase orders after 1:00 a.m. New York time (with adjustment for
daylight savings time) will get the price of Japan Series shares as determined
on the next business day in Tokyo. In such circumstances, investors should
expect to receive the price published two days later (i.e., not the price
published in the United States on the morning after the day the order was
placed).
    
INITIAL CASH INVESTMENTS BY WIRE
   
    Subject to acceptance by the Trust, shares of each Fund may be purchased by
wiring federal funds.  Please call 1-800-447-3332 for complete wiring
instructions.  A completed Account Application must be overnighted to the Trust
at Barr Rosenberg Series Trust c/o BISYS Fund Services, Inc., 3435 Stelzer Road,
Columbus, Ohio 43219-8021.  Notification must be given to the Trust at
1-800-447-3332 prior to 4:00 p.m., New York Time, of the wire date.  Federal
funds purchases will be accepted only on a day on which the Trust, the
Distributor and the custodian bank are all open for business.
    
INITIAL CASH INVESTMENTS BY MAIL
   
    Subject to acceptance by the Trust, an account may be opened by completing
and signing an Account Application and mailing it to Barr Rosenberg Series
Trust, P.O. Box 182495, Columbus, Ohio 43219-2495.
    
   
    The Fund(s) to be purchased should be specified on the Account Application.
In all cases, subject to acceptance by the Trust, payment for the purchase of
shares received by mail will be credited to a shareholder's account at the net
asset value per share of the Fund next determined after receipt, even though the
check may not yet have been converted into federal funds.
    
ADDITIONAL CASH INVESTMENTS
   
    Additional cash investments may be made at any time by mailing a check to
the Trust at the address noted under "Initial Cash Investments by Mail" (payable
to Barr Rosenberg Series Trust) or by wiring monies as noted under "Initial Cash
Investments by Wire".  Notification must be given at 1-800-447-3332 prior to
4:00 p.m., New York Time, of the wire date.  The minimum amounts for additional
cash investments are $10,000 for Institutional Shares, $1,000 for Adviser Shares
and $500 for Select Shares.
    

INVESTMENTS IN-KIND (INSTITUTIONAL SHARES)

    Institutional Shares may be purchased in exchange for common stocks on
deposit at The Depository Trust Company ("DTC") or by a combination of such
common stocks and cash. Purchase of Institutional Shares of a Fund in exchange
for stocks is subject in each case to the determination by the Manager that the
stocks to be exchanged are acceptable. Securities accepted by the Manager in
exchange for Fund shares will be valued as set forth under "Determination of Net
Asset Value"

<PAGE>

(generally the last quoted sale price) as of the time of the next determination
of net asset value after such acceptance. All dividends, subscription or other
rights which are reflected in the market price of accepted securities at the
time of valuation become the property of the Fund and must be delivered to the
Fund upon receipt by the investor from the issuer. A gain or loss for federal
income tax purposes would be realized by investors subject to federal income
taxation upon the exchange, depending upon the investor's basis in the
securities tendered.

    The Manager will not approve the acceptance of securities in exchange for
Fund shares unless (1) the Manager, in its sole discretion, believes the
securities are appropriate investments for the Fund; (2) the investor represents
and agrees that all securities offered to the Fund are not subject to any
restrictions upon their sale by the Fund under the Securities Act of 1933, or
otherwise; and (3) the securities may be acquired under the Fund's investment
restrictions. In addition, portfolio securities acquired in exchange for Fund
shares will (1) be acquired for investment and not for resale; (2) be liquid
securities; and (3) have a readily ascertainable value.

OTHER PURCHASE INFORMATION
   
    An eligible shareholder may also participate in the Barr Rosenberg
Automatic Investment Program, an investment plan that automatically debits money
from the shareholder's bank account and invests it in Select Shares of one or
more of the Funds through the use of electronic funds transfers. Investors may
commence their participation in this program with a minimum initial investment
of $2,500 and may elect to make subsequent investments by transfers of a
minimum of $50 into their established Fund account. You may contact the Trust
for more information about the Barr Rosenberg Automatic Investment Program.
    
   
    For purposes of calculating the purchase price of Fund shares, a purchase
order is received by the Trust on the day that it is in "good order" unless it
is rejected by the Distributor.  For a purchase order of Adviser Shares or
Select Shares to be in "good order" on a particular day a check or money wire
must be received on or before 4:00 p.m., New York Time of that day. In the case
of Institutional Shares, the investor's securities must be placed on deposit at
the Depository Trust Company prior to 10:00 a.m., New York Time or, in the case
of cash investments, the Trust must have received adequate assurances that
federal funds will be wired to the Fund prior to 4:00 p.m., New York Time, on
the following business day.  If the consideration is received by the Trust after
the deadline, the purchase price of Fund shares will be based upon the next
determination of net asset value of Fund shares.  No third party or foreign
checks will be accepted.
    

    The Trust reserves the right, in its sole discretion, to suspend the
offering of shares of its Funds or to reject purchase orders when, in the
judgment of the Manager, such suspension or rejection would be in the best
interests of the Trust.

    Purchases of a Fund's shares may be made in full or in fractional shares of
the Fund calculated to three decimal places. In the interest of economy and
convenience, certificates for shares will not be issued.

                               RETIREMENT PLAN ACCOUNTS
   
    Shares of all Funds may be used as a funding medium for IRAs and other
qualified retirement plans ("Plans").  The minimum initial investment for an IRA
or a Plan is $2,000.  A special application must be completed in order to create
such an account.  Contributions to IRAs are subject to prevailing amount limits
set by the Internal Revenue Service.  For more information about IRAs and other
Plan accounts, call the Trust at 1-800-447-3332.
    
   
                                 REDEMPTION OF SHARES

    Shares of each Fund may be redeemed by mail, or, if authorized by an
investor in an account application, by telephone.  The value of shares redeemed
may be more or less than the original cost of those shares, depending on the 
market value of the investment securities held by the particular Fund at the 
time of the redemption.
    
BY MAIL
   
    The Trust will redeem its shares at the net asset value next determined
after the request is received in "good order".  See "Determination of Net Asset
Value."  Requests should be addressed to Barr Rosenberg Series Trust, P.O. Box
182495, Columbus, Ohio 43219-2495.
    

<PAGE>

    Requests in "good order" must include the following documentation:
   
         (a)  a letter of instruction, if required, specifying the number of 
    shares or dollar amount to be redeemed, signed by all registered owners of 
    the shares in the exact names in which they are registered;
    
         (b)  any required signature guarantees (see "Signature Guarantees"
    below); and

         (c)  other supporting legal documents, if required, in the case of
    estates, trusts, guardianships, custodianships, corporations, pension and
    profit sharing plans and other organizations.

SIGNATURE GUARANTEES

    To protect shareholder accounts, the Trust and its transfer agent from
fraud, signature guarantees are required to enable the Trust to verify the
identity of the person who has authorized a redemption from an account.
Signature guarantees are required for (1) redemptions where the proceeds are to
be sent to someone other than the registered shareholder(s) at the registered
address, (2) redemptions of $25,000 or more, and (3) share transfer requests.
Signature guarantees may be obtained from certain eligible financial
institutions, including but not limited to, the following: banks, trust
companies, credit unions, securities brokers and dealers, savings and loan
associations and participants in the Securities and Transfer Association
Medallion Program ("STAMP"), the Stock Exchange Medallion Program ("SEMP") or
the New York Stock Exchange Medallion Signature Program ("MSP"). Shareholders
may contact the Trust at 1-800-447-3332 for further details.

BY TELEPHONE
   
    Provided the Telephone Redemption Option has been authorized by an investor
in an account application, a redemption of shares may be requested by calling
the Transfer Agent at 1-800-447-3332 and requesting that the redemption proceeds
be mailed to the primary registration address or wired per the authorized
instructions. If the Telephone Redemption Option or the Telephone Exchange
Option (as described below) is authorized, the Transfer Agent may act on
telephone instruction from any person representing himself or herself to be a
shareholder and believed by the Transfer Agent to be genuine. The Transfer
Agent's records of such instructions are binding and the shareholder, and not
the Trust or the Transfer Agent, bears the risk of loss in the event of
unauthorized instructions reasonably believed by the Transfer Agent to be
genuine. The Transfer Agent will employ reasonable procedures to confirm that
instructions communicated are genuine and, if it does not, it may be liable for
any losses due to unauthorized or fraudulent instructions. The procedures
employed in connection with transactions initiated by telephone include tape
recording of telephone instructions and requiring some form of personal
identification prior to acting upon instructions received by telephone.
Telephone Redemption will be suspended for a period of 10 days following a
telephonic address change.
    

SYSTEMATIC WITHDRAWAL PLAN

    An owner of $12,000 or more of shares of a Fund may elect to have periodic
redemptions made from the investor's account to be paid on a monthly, quarterly,
semiannual or annual basis. The maximum payment per year is 12% of the account
value at the time of the election. The shareholder will normally redeem a
sufficient number of shares to make the scheduled redemption payments on a date
selected by the shareholder. Depending on the size of the payment requested and
fluctuation in the net asset value, if any, of the shares redeemed, redemptions
for the purpose of making such payments may reduce or even exhaust the account.
A shareholder may request that these payments be sent to a predesignated bank or
other designated party. Capital gains and dividend distributions paid to the
account will automatically be reinvested at net asset value on the distribution
payment date.

FURTHER REDEMPTION INFORMATION
   
    Purchases of shares of the Trust made by check are not permitted to be
redeemed until payment of the purchase price has been collected, which may take
up to fifteen days after purchase.  Shareholders can avoid this delay by
utilizing the wire purchase option.
    
   
    If the Manager determines, in its sole discretion, that it would not be in
the best interests of the remaining shareholders of a Fund to make a redemption
payment wholly or partly in cash, the Fund may pay the redemption price of
Institutional
    

<PAGE>

   
Shares in whole or in part by a distribution in kind of readily marketable
securities held by the relevant Fund in lieu of cash. Securities used to redeem
Fund shares in kind will be valued in accordance with the Fund's procedures for
valuation described under "Determination of Net Asset Value." Securities
distributed by the Fund in kind will be selected by the Manager in light of the
Fund's objective and will not generally represent a PRO RATA distribution of
each security held in the Fund's portfolio. Investors may incur brokerage
charges on the sale of any such securities so received in payment of
redemptions.
    
   
    The Trust may suspend the right of redemption and may postpone payment for
more than seven days when the New York Stock Exchange is closed for other than
weekends or holidays, or if permitted by the rules of the Securities and
Exchange Commission, during periods when trading on the Exchange is restricted
or during an emergency which makes it impracticable for the Funds to dispose of
their securities or to fairly determine the value of their net assets, or during
any other period permitted by the Securities and Exchange Commission for the
protection of investors.
    
                               EXCHANGE OF FUND SHARES
   
    The Funds offer two convenient ways to exchange shares in one Fund for
shares of another Fund in the Trust. Shares of a particular class of a Fund may
be exchanged only for shares of the same class in another Fund. There is no
sales charge on exchanges. Before engaging in an exchange transaction, a
shareholder should read carefully the information in the Prospectus describing
the Fund into which the exchange will occur. A shareholder may not exchange
shares of a class of one Fund for shares of the same class of another Fund that
is not qualified for sale in the state of the shareholder's residence. Although
the Trust has no current intention of terminating or modifying the exchange
privilege, it reserves the right to do so at any time. Except as otherwise
permitted by regulations of the Securities and Exchange Commission, the Trust
will give 60 days' advance notice to shareholders of any termination or material
modification of the exchange privilege.
    
    An exchange is taxable as a sale of a security on which a gain or loss may
be recognized. Shareholders should receive written confirmation of the exchange
within a few days of the completion of the transaction.

    A new account opened by exchange must be established with the same name(s),
address and social security number as the existing account. All exchanges will
be made based on the respective net asset values next determined following
receipt of the request by the Funds containing the information indicated below.

EXCHANGE BY MAIL
   
    To exchange Fund shares by mail, shareholders should simply send a letter
of instruction to the Trust. The letter of instruction must include: (a) the
investor's account number; (b) the class of shares to be exchanged; (c) the Fund
from and the Fund into which the exchange is to be made; (d) the dollar or share
amount to be exchanged; and (e) the signatures of all registered owners or
authorized parties.
    
EXCHANGE BY TELEPHONE

   
    To exchange Fund shares by telephone or to ask questions about the exchange
privilege, shareholders may call the Trust at 1-800-447-3332. If you wish to
exchange shares, please be prepared to give the telephone representative the
following information: (a) the account number, social security number and
account registration; (b) the class of shares to be exchanged; (c) the name of
the Fund from which and the Fund into which the exchange is to be made; and
(d) the dollar or share amount to be exchanged. Telephone exchanges are
available only if the shareholder so indicates by checking the "yes" box on the
Account Application. The Trust employs procedures, including recording telephone
calls, testing a caller's identity, and sending written confirmation of
telephone transactions, designed to give reasonable assurance that instructions
communicated by telephone are genuine, and to discourage fraud. To the extent
that a Fund does not follow such procedures, it may be liable for losses due to
unauthorized or fraudulent telephone instructions. A Fund will not be liable for
acting upon instructions communicated by telephone that it reasonably believes
to be genuine. The Trust reserves the right to suspend or terminate the
privilege of exchanging by mail or by telephone at any time. The telephone
exchange privilege will be suspended for a period of 10 days following a
telephonic address change.
    
<PAGE>
                           DETERMINATION OF NET ASSET VALUE
   
    The net asset value of each class of shares of the U.S. Small
Capitalization Series and the International Small Capitalization Series will be
determined once on each day on which the New York Stock Exchange is open as of
4:00 p.m., New York Time.  In the case of the Japan Series, the net asset value
of each class of shares of that Fund will be determined once on each day on
which the Tokyo Stock Exchange is open as of 3:00 p.m., Tokyo time. Due to the
14 hour time difference, 3:00 p.m. Tokyo time corresponds to 1:00 a.m. New York
time (with adjustments for daylight savings time). Accordingly, purchase orders
received for the Japan Series after 1:00 a.m., New York time (with adjustments
for daylight savings time) will receive the offering price determined on the
next business day in Japan. See "Purchase of Shares" above.
    
    The net asset value per share of each class of a Fund is determined by
dividing the particular class's proportionate interest in the total market value
of the Fund's portfolio investments and other assets, less any applicable
liabilities, by the total outstanding shares of that class of the Fund.
Specifically, each Fund's liabilities are allocated among its classes. The total
of such liabilities allocated to a particular class plus that class's
shareholder servicing and/or distribution expenses, if any, and any other
expenses specially allocated to that class are then deducted from the class's
proportionate interest in the Fund's assets. The resulting amount for each class
is divided by the number of shares of that class outstanding to produce the "net
asset value" per share.
   
    Portfolio securities listed on a securities exchange for which market
quotations are available are valued at the last quoted sale price on each
business day, or, if there is no such reported sale, at the most recent quoted
bid price. Price information on listed securities is generally taken from the
closing price on the exchange where the security is primarily traded. Unlisted
securities for which market quotations are readily available are valued at the
most recent quoted bid price, except that debt obligations with sixty days or
less remaining until maturity may be valued at their amortized cost.
Exchange-traded options, futures and options on futures are valued at the
settlement price as determined by the appropriate clearing corporation. Other
assets and securities for which no quotations are readily available are valued
at fair value as determined in good faith by the Trustees of the Trust or by
persons acting at their direction.
    
                                    DISTRIBUTIONS

    Each Fund intends to pay out as dividends substantially all of its net
investment income (which comes from dividends and any interest it receives from
its investments and net realized short-term capital gains). Each Fund also
intends to distribute substantially all of its net realized long-term capital
gains, if any, after giving effect to any available capital loss carryover. Each
Fund's policy is to declare and pay distributions of its dividends and interest
annually although it may do so more frequently as determined by the Trustees of
the Trust. The Funds' policy is to distribute net realized short-term capital
gains and net realized long-term gains annually, although it may do so more
frequently as determined by the Trustees of the Trust to the extent permitted by
applicable regulations.
   
    All dividends and/or distributions will be paid out in the form of
additional shares of the Fund to which the dividends and/or distributions relate
at net asset value unless the shareholder elects to receive cash. Shareholders
may make this election by marking the appropriate box on the Account Application
or by writing to the Administrator.
    
   
    If you elect to receive distributions in cash and checks (1) are returned
and marked as "undeliverable" or (2) remain uncashed for six months, your cash
election will be changed automatically and your future dividend and capital
gains distributions will be reinvested in the Fund at the per share net asset
value determined as of the date of payment of the distribution.  In addition,
any undeliverable checks or checks that remain uncashed for six months will be
canceled and will be reinvested in the Fund at the per share net asset value
determined as of the date of cancellation.
    
                                        TAXES

    Each Fund intends to qualify each year as a regulated investment company
under Subchapter M of the Internal Revenue Code of 1986, as amended. So long as
a Fund distributes substantially all of its dividend, interest and certain other
income, its net realized short-term capital gains and its net realized long-term
capital gains to its shareholders and otherwise qualifies for the special
rules governing the taxation of regulated investment companies, the Fund itself
will not pay federal income tax on the amount distributed. Dividend
distributions (i.e., distributions derived from interest, dividends and certain
other income, including, in general, short-term capital gains) will be taxable
to shareholders subject to income tax as ordinary income. Distributions of any
long-term capital gains are taxable as such to shareholders subject to income
tax, regardless of how long a shareholder may have owned shares in such Fund. A
distribution paid to shareholders by a Fund in January of a year is

<PAGE>

generally deemed to have been received by shareholders on December 31 of the
preceding year, if the distribution was declared and payable to shareholders of
record on a date in October, November or December of that preceding year. Each
Fund will provide federal tax information annually, including information about
dividends and distributions paid during the preceding year.

    If more than 50% of a Fund's assets at fiscal year-end is represented by
debt and equity securities of foreign corporations, the Fund may (and the Japan
Series and the International Small Capitalization Series intend to) elect to
permit shareholders who are U.S. citizens or U.S. corporations to claim a
foreign tax credit or deduction (but not both) on their U.S. income tax returns
for their PRO RATA portion of qualified taxes paid by the Fund to foreign
countries. As a result, the amounts of foreign income taxes paid by such Fund
would be treated as additional income to shareholders of such Fund for purposes
of the foreign tax credit. Each such shareholder would include in gross income
from foreign sources its PRO RATA share of such taxes. Certain limitations
imposed by the Internal Revenue Code may prevent shareholders from receiving a
full foreign tax credit or deduction for their allocable amount of such taxes.

    The foregoing is a general summary of the federal income tax consequences
of investing in a Fund to shareholders who are U.S. citizens or U.S.
corporations. Shareholders should consult their own tax advisers about the tax
consequences of an investment in the Funds in light of each shareholder's
particular tax situation. Shareholders should also consult their own tax
advisers about consequences under foreign, state, local or other applicable tax
laws.

                   DESCRIPTION OF THE TRUST AND OWNERSHIP OF SHARES
   
    The Trust is a diversified open-end series investment company organized as
a Massachusetts business trust under the laws of The Commonwealth of
Massachusetts by an Agreement and Declaration of Trust (the "Declaration of
Trust") dated April 1, 1988, as amended from time to time. The U.S. Small
Capitalization Series commenced operations on or about September 13, 1988. The
Japan Series commenced operations on or about January 3, 1989. The International
Small Capitalization Series commenced operations on September 20, 1996.
    
   
    The Declaration of Trust permits the Trustees to issue an unlimited number
of full and fractional shares of beneficial interest which are presently divided
into three series. Interests in each of the Funds described in this Prospectus
are represented by shares of such Fund. The Declaration of Trust also permits
the Trustees, without shareholder approval, to subdivide any series of shares
into various sub-series of shares with such dividend preferences and other
rights as the Trustees may designate. While the Trustees have no current
intention to exercise this power, it is intended to allow them to provide for an
equitable allocation of the impact of any future regulatory requirements which
might affect various classes of shareholders differently. The Trustees may also,
without shareholder approval, establish one or more additional separate
portfolios for investments in the Trust, terminate a series of the Trust or
merge two or more existing portfolios. Shareholders' investments in such a
portfolio would be evidenced by a separate series of shares.
    
    Each Fund is further divided into three classes of shares designated as
Institutional Shares, Adviser Shares and Select Shares. Each class of shares of
each Fund represents interests in the assets of that Fund and has identical
dividend, liquidation and other rights and the same terms and conditions except
that expenses, if any, related to the distribution and shareholder servicing of
a particular class are borne solely by such class and each class may, at the
Trustees' discretion, also pay a different share of other expenses, not
including advisory or custodial fees or other expenses related to the management
of the Trust's assets, if these expenses are actually incurred in a different
amount by that class, or if the class receives services of a different kind or
to a different degree than the other classes. All other expenses are allocated
to each class on the basis of the net asset value of that class in relation to
the net asset value of the particular Fund.

    Each class of shares of each Fund has identical voting rights except that
each class has exclusive voting rights on any matter submitted to shareholders
that relates solely to that class, and has separate voting rights on any matter
submitted to shareholders in which the interests of one class differ from the
interests of any other class. Each class of shares has exclusive voting rights
with respect to matters pertaining to any distribution or servicing plan
applicable to that class. Matters submitted to shareholder vote must be approved
by each Fund separately except (i) when required by the Investment Company Act
of 1940, all shares shall be voted together and (ii) when the Trustees have
determined that the matter does not affect all Funds, then only shareholders of
the Fund or Funds affected shall be entitled to vote on the matter. All three
classes of shares of a Fund will vote together, except with respect to any
distribution or servicing plan applicable to a class or when a class vote is
required as specified above or otherwise by the Investment Company Act of 1940.
Shares are freely transferable, are entitled to

<PAGE>

dividends as declared by the Trustees and, in liquidation of a Fund portfolio,
are entitled to receive the net assets of that portfolio, but not of the other
Funds. The Trust does not generally hold annual meetings of shareholders and
will do so only when required by law. Shareholders holding a majority of the
outstanding shares may remove trustees from office by votes cast in person or by
proxy at a meeting of shareholders or by written consent.

    The Declaration of Trust provides for the perpetual existence of the Trust.
The Trust, may, however, be terminated at any time by vote of at least
two-thirds of the outstanding shares of the Trust.

    Shareholders could, under certain circumstances, be held personally liable
for the obligations of the Trust. However, the risk of a shareholder incurring
financial loss on account of that liability is considered remote since it may
arise only in very limited circumstances.

                                SHAREHOLDER INQUIRIES
   
    Shareholders may direct inquiries to the Trust at Barr Rosenberg Series
Trust, P.O. Box 182495, Columbus, Ohio  43219-2495.
    
<PAGE>
   
BARR ROSENBERG SERIES TRUST
3435 Stelzer Road
Columbus, Ohio 43219
    
   
MANAGER
Rosenberg Institutional Equity Management
Four Orinda Way, Suite 300E
Orindo, CA 94563
    
   
ADMINISTRATOR, TRANSFER AND DIVIDEND PAYING AGENT
BISYS Fund Services
3435 Stelzer Road
Columbus, Ohio 43219
    
   
DISTRIBUTOR
Barr Rosenberg Funds Distributor, Inc.
3435 Stelzer Road
Columbus, Ohio 43219
    
CUSTODIAN OF ASSETS
State Street Bank and Trust Company
Mutual Funds Division
Boston, MA 02102

INDEPENDENT ACCOUNTANTS
Price Waterhouse LLP
160 Federal Street
Boston, MA 02110
   
LEGAL COUNSEL
Ropes & Gray
One International Place
Boston, MA 02110
    
<PAGE>
                            BARR ROSENBERG SERIES TRUST

                              SHAREHOLDER SERVICES
                            Account Inquiries, Balances 
                            and Transaction Information

   
                            FOR ROSENBERG INSTITUTIONAL
                            EQUITY MANAGEMENT CUSTOMERS
                                 1-800-___-_____
    
   
                              FOR ALL SHAREHOLDERS
                                 1-800-___-_____
    
                           Additional Information May Be
                           Found on the WorldWide Web at 
                                 http://riem.com
<PAGE>

                             BARR ROSENBERG SERIES TRUST

                           U.S. SMALL CAPITALIZATION SERIES
                      INTERNATIONAL SMALL CAPITALIZATION SERIES
                                     JAPAN SERIES


                         STATEMENT OF ADDITIONAL INFORMATION

   
                                    JUNE   , 1997
                                    --------------
    







   
THIS STATEMENT OF ADDITIONAL INFORMATION IS NOT A PROSPECTUS.  THIS STATEMENT OF
ADDITIONAL INFORMATION RELATES TO THE PROSPECTUS DATED JUNE , 1997 AND SHOULD BE
READ IN CONJUNCTION THEREWITH.  A COPY OF THE PROSPECTUS MAY BE OBTAINED FROM
BARR ROSENBERG SERIES TRUST, 3435 STELZER ROAD, COLUMBUS, OHIO 43219.
    

<PAGE>


                                  TABLE OF CONTENTS

                                                                  PAGE
                                                                  ----

INVESTMENT OBJECTIVE AND POLICIES..... . . . . . . . . . . . . .......    1

MISCELLANEOUS INVESTMENT PRACTICES . . . . . . . . . . . . . . . . . .    5

INVESTMENT RESTRICTIONS. . . . . . . . . . . . . . . . . . . . . . . .    6

INCOME DIVIDENDS, DISTRIBUTIONS AND TAX STATUS . . . . . . . . . . . .    7

MANAGEMENT OF THE TRUST. . . . . . . . . . . . . . . . . . . . . . . .    9

INVESTMENT ADVISORY AND OTHER SERVICE. . . . . . . . . . . . . . . . .    11

PORTFOLIO TRANSACTIONS . . . . . . . . . . . . . . . . . . . . . . . .    15

DESCRIPTION OF THE TRUST AND OWNERSHIP OF SHARES . . . . . . . . . . .    17

DETERMINATION OF NET ASSET VALUE . . . . . . . . . . . . . . . . . . .    20

EXPERTS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    21

SPECIMEN PRICE-MAKE-UP SHEET . . . . . . . . . . . . . . . . . . . . .    A-1

FINANCIAL STATEMENTS . . . . . . . . . . . . . . . . . . . . . . . . .    F-1

<PAGE>
   
                          INVESTMENT OBJECTIVE AND POLICIES
    

The investment objective and policies of each of the U.S. Small Capitalization
Series, the International Small Capitalization Series and the Japan Series (each
a "Fund" and collectively, the "Funds") of Barr Rosenberg Series Trust (the
"Trust") are summarized on the front page of the Prospectus and in the text of
the Prospectus under the headings "Investment Objectives and Policies" and
"General Description of Risks and Fund Investments."

In addition, the following investment objectives and policies apply to the Fund
or Funds indicated.

INDEX FUTURES  (ALL FUNDS).  An index futures contract (an "Index Future") is a
contract to buy or sell an integral number of units of an Index at a specified
future date at a price agreed upon when the contract is made.  A unit is the
value of the relevant Index from time to time.  Entering into a contract to buy
units is commonly referred to as buying or purchasing a contract or holding a
long position in an Index.

Index Futures contracts can be traded through all major commodity brokers.
Currently, contracts are expected to expire on the tenth day of March, June,
September and December.  A Fund will be able to close open positions on the
United States futures exchange on which Index Futures are then traded at any
time up to and including the expiration day.

   
As noted in the Prospectus, upon entering into a futures contract, a Fund will
be required to deposit initial margin with its custodian in a segregated account
in the name of the futures broker.  Variation margin will be paid to and
received from the broker on a daily basis as the contracts are marked to market.
For example, when a Fund has purchased an Index Future and the price of the
relevant Index has risen, that position will have increased in value and the
Fund will receive from the broker a variation margin payment equal to that
increase in value.  Conversely, when a Fund has purchased an Index Future and
the price of the relevant Index has declined, the position would be less
valuable and the Fund would be required to make a variation margin payment to
the broker.
    

The price of Index Futures may not correlate perfectly with movement in the
underlying Index due to certain market distortions.  First, all participants in
the futures market are subject to margin deposit and maintenance requirements.
Rather than meeting additional margin deposit requirements, investors may close
futures contracts through offsetting transactions which could distort the normal
relationship between the Index and futures markets.  Secondly, the deposit
requirements in the futures market are less onerous than margin requirements in
the securities market, and as a result the futures market may attract more
speculators than does the securities market.  Increased participation by
speculators in the futures market may also cause temporary price distortions.
In addition, with respect to the Japan Series, trading hours for Index Futures
may not correspond perfectly to hours of trading on the Tokyo Stock Exchange.
This may result in a disparity between the price of Index Futures and the value
of the underlying Index due to the lack of continuous arbitrage between the
Index Futures price and the value of the underlying Index.

   
FOREIGN CURRENCY TRANSACTIONS (INTERNATIONAL SMALL CAPITALIZATION SERIES AND
JAPAN SERIES).  As is disclosed in the Prospectus following the heading "General
Description of Risks and Fund Investments," the Funds do not currently intend to
hedge the foreign currency risk associated with investments in securities
denominated in foreign currencies.  However, the Funds reserve the right to buy
or sell foreign currencies or to deal in forward foreign currency contracts to
hedge against possible variations in foreign exchange rates pending the
settlement of securities transactions.  The Funds also reserve the right to use

<PAGE>

currency futures contracts and related options thereon for similar purposes.  By
entering into a futures or forward contract for the purchase or sale, for a
fixed amount of dollars, of the amount of foreign currency involved in the
underlying security transactions, a Fund will be able to protect itself against
a possible loss resulting from an adverse change in the relationship between the
U.S. dollar and the subject foreign currency during the period between the date
on which the security is purchased or sold and the date on which payment is made
or received.  A Fund's dealing in forward contracts will be limited to this type
of transaction.  A Fund will not engage in currency futures transactions for
leveraging purposes.  A put option on a futures contract gives a Fund the right
to assume a short position in the futures contract until the expiration of the
option.  A call option on a futures contract gives a Fund the right to assume a
long position in the futures contract until the expiration of the option.
    

CURRENCY FORWARD CONTRACTS (INTERNATIONAL SMALL CAPITALIZATION SERIES AND JAPAN
SERIES).  A forward foreign currency exchange contract involves an obligation to
purchase or sell a specific currency at a future date, which may be any fixed
number of days from the date of the contract as agreed by the parties, at a
price set at the time of the contract.  In the case of a cancelable forward
contract, the holder has the unilateral right to cancel the contract at maturity
by paying a specified fee.  The contracts traded in the interbank market are
negotiated directly between currency traders (usually large commercial banks)
and their customers.  A forward contract generally has no deposit requirement,
and no commissions are charged at any stage for trades.

CURRENCY FUTURES TRANSACTIONS (INTERNATIONAL SMALL CAPITALIZATION SERIES AND
JAPAN SERIES).  A currency futures contract sale creates an obligation by the
seller to deliver the amount of currency called for in the contract in a
specified delivery month for a stated price.  A currency futures contract
purchase creates an obligation by the purchaser to take delivery of the
underlying amount of currency in a specified delivery month at a stated price.
Futures contracts are traded only on commodity exchanges -- known as "contract
markets" -- approved for such trading by the Commodity Futures Trading
Commission ("CFTC"), and must be executed through a futures commission merchant,
or brokerage firm, which is a member of the relevant contract market.

   
Although futures contracts by their terms call for actual delivery or
acceptance, in most cases the contracts are closed out before the settlement
date without the making or taking of delivery.  Closing out a futures contract
sale is effected by purchasing a futures contract for the same aggregate amount
of the specific type of financial instrument or commodity and the same delivery
date.  If the price of the initial sale of the futures contract exceeds the
price of the offsetting purchase, the seller is paid the difference and realizes
a gain.  Conversely, if the price of the offsetting purchase exceeds the price
of the initial sale, the seller realizes a loss.  Similarly, the closing out of
a futures contract purchase is effected by the purchaser entering into a futures
contract sale.  If the offsetting sale price exceeds the purchase price, the
purchaser realizes a gain, and if the purchase price exceeds the offsetting sale
price, the purchaser realizes a loss.
    

The purchase or sale of a futures contract differs from the purchase or sale of
a security, in that no price or premium is paid or received.  Instead, an amount
of cash or U.S. Treasury bills generally not exceeding 5% of the contract amount
must be deposited with the broker.  This amount is known as initial margin.
Subsequent payments to and from the broker, known as variation margin, are made
on a daily basis as the price of the underlying futures contract fluctuates
making the long and short positions in the futures contract more or less
valuable, a process known as "marking to the market."  At any time prior to the
settlement date of the futures contract, the position may be closed out by
taking an opposite position which will operate to terminate the position in the
futures contract.  A final determination of variation

<PAGE>

margin is then made, additional cash is required to be paid to or released by
the broker, and the purchaser realizes a loss or gain.  In addition, a
commission is paid on each completed purchase and sale transaction.

Unlike a currency futures contract, which requires the parties to buy and sell
currency on a set date, an option on a futures contract entitles its holder to
decide on or before a future date whether to enter into such a contract.  If the
holder decides not to enter into the contract, the premium paid for the option
is lost.  Since the value of the option is fixed at the point of sale, there are
no daily payments of cash in the nature of "variation" or "maintenance" margin
payments to reflect the change in the value of the underlying contract as there
are by a purchaser or seller of a currency futures contract.

The ability to establish and close out positions on options on futures will be
subject to the development and maintenance of a liquid secondary market.  It is
not certain that this market will develop or be maintained.

The Funds will write (sell) only covered put and call options on currency
futures.  This means that a Fund will provide for its obligations upon exercise
of the option by segregating sufficient cash or short-term obligations or by
holding an offsetting position in the option or underlying currency future, or a
combination of the foregoing.  Set forth below is a description of methods of
providing cover that the Funds currently expect to employ, subject to applicable
exchange and regulatory requirements.  If other methods of providing appropriate
cover are developed, a Fund reserves the right to employ them to the extent
consistent with applicable regulatory and exchange requirements.

   
A Fund will, so long as it is obligated as the writer of a call option on
currency futures, own on a contract-for-contract basis an equal long position in
currency futures with the same delivery date or a call option on currency
futures with the difference, if any, between the market value of the call
written and the market value of the call or long currency futures purchased
maintained by the Fund in cash, U.S. Government securities, or other high-grade
liquid debt obligations in a segregated account with its custodian.  If at the
close of business on any day the market value of the call purchased by a Fund
falls below 100% of the market value of the call written by the Fund, the Fund
will so segregate an amount of cash, U.S. Government securities, or other
high-grade liquid debt obligations equal in value to the difference.
Alternatively, a Fund may cover the call option through segregating with its
custodian an amount of the particular foreign currency equal to the amount of
foreign currency per futures contract option times the number of options written
by the Fund.
    

In the case of put options on currency futures written by a Fund, the Fund will
hold the aggregate exercise price in cash, U.S. Government securities, or other
high-grade liquid debt obligations in a segregated account with its custodian,
or own put options on currency futures or short currency futures, with the
difference, if any, between the market value of the put written and the market
value of the puts purchased or the currency futures sold maintained by the Fund
in cash, U.S. Government securities, or other high-grade liquid debt obligations
in a segregated account with its custodian.  If at the close of business on any
day the market value of the put options purchased or the currency futures sold
by a Fund falls below 100% of the market value of the put options written by the
Fund, the Fund will so segregate an amount of cash, U.S. Government securities,
or other high-grade liquid debt obligations equal in value to the difference.

<PAGE>

The Fund may not enter into currency futures contracts or related options
thereon if immediately thereafter the amount committed to margin plus the amount
paid for premiums for unexpired options on currency futures contracts exceeds 5%
of the market value of the Fund's total assets.

LIMITATIONS ON THE USE OF CURRENCY FUTURES CONTRACTS (INTERNATIONAL SMALL
CAPITALIZATION SERIES AND JAPAN SERIES).  A Fund's ability to engage in the
currency futures transactions described above will depend on the availability of
liquid markets in such instruments.  Markets in currency futures are relatively
new and still developing.  It is impossible to predict the amount of trading
interest that may exist in various types of currency futures.  Therefore no
assurance can be given that a Fund will be able to utilize these instruments
effectively for the purposes set forth above.  Furthermore, a Fund's ability to
engage in such transactions may be limited by tax considerations.

RISK FACTORS IN CURRENCY FUTURES TRANSACTIONS (INTERNATIONAL SMALL
CAPITALIZATION SERIES AND JAPAN SERIES).  Investment in currency futures
contracts involves risk.  Some of that risk may be caused by an imperfect
correlation between movements in the price of the futures contract and the price
of the currency being hedged.  The hedge will not be fully effective where there
is such imperfect correlation.  To compensate for imperfect correlations, a Fund
may purchase or sell futures contracts in a greater amount than the hedged
currency if the volatility of the hedged currency is historically greater than
the volatility of the futures contracts.  Conversely, a Fund may purchase or
sell fewer contracts if the volatility of the price of the hedged currency is
historically less than that of the futures contracts.  The risk of imperfect
correlation generally tends to diminish as the maturity date of the futures
contract approaches.

The successful use of transactions in futures and related options also depends
on the ability of the Manager to forecast correctly the direction and extent of
exchange rate and stock price movements within a given time frame.  It is
impossible to forecast precisely what the market value of securities a Fund
anticipates buying will be at the expiration or maturity of a currency forward
or futures contract.  Accordingly, in cases where a Fund seeks to protect
against an increase in value of the currency in which the securities are
denominated through a foreign currency transaction, it may be necessary for the
Fund to purchase additional foreign currency on the spot market (and bear the
expense of such currency purchase) if the market value of the securities to be
purchased is less than the amount of foreign currency the Fund contracted to
purchase.  Conversely, it may be necessary to sell on the spot market some of
the foreign currency received upon the sale of the portfolio security or
securities if the market value of such security or securities exceeds the value
of the securities purchased.  When a Fund purchases forward or futures contracts
(or options thereon) to hedge against a possible increase in the price of
currency in which is denominated the securities the Fund anticipates purchasing,
it is possible that the market may instead decline.  If a Fund does not then
invest in such securities because of concern as to possible further market
decline or for other reasons, the Fund may realize a loss on the forward or
futures contract that is not offset by a reduction in the price of the
securities purchased.  As a result, a Fund's total return for such period may be
less than if it had not engaged in the forward or futures transaction.

Foreign currency transactions that are intended to hedge the value of securities
a Fund contemplates purchasing do not eliminate fluctuations in the underlying
prices of those securities.  Rather, such currency transactions simply establish
a rate of exchange which can be used at some future point in time.
Additionally, although these techniques tend to minimize the risk of loss due to
a change in the value of the currency involved, they tend to limit any potential
gain that might result from the increase in the value of such currency.

<PAGE>

The amount of risk a Fund assumes when it purchases an option on a currency
futures contract is the premium paid for the option plus related transaction
costs.  In addition to the correlation risks discussed above, the purchase of an
option also entails the risk that changes in the value of the underlying futures
contract will not be fully reflected in the value of the option purchased.

The liquidity of a secondary market in a currency futures contract may be
adversely affected by "daily price fluctuation limits" established by commodity
exchanges which limit the amount of fluctuation in a futures contract price
during a single trading day.  Once the daily limit has been reached in the
contract, no trades may be entered into at a price beyond the limit, thus
preventing the liquidation of open futures positions.  Prices have in the past
exceeded the daily limit on a number of consecutive trading days.

A Fund's ability to engage in currency forward and futures transactions may be
limited by tax considerations.

WARRANTS (JAPAN SERIES).  The Japan Series may from time to time purchase
warrants; however, not more than 5% of its net assets (at the time of purchase)
will be invested in warrants other than warrants acquired in units or attached
to other securities.  Of such 5%, not more than 2% of such net assets at the
time of purchase may be invested in warrants that are not listed on the New York
Stock Exchange or American Stock Exchange.  Warrants have no voting rights, pay
no dividends and have no rights with respect to the assets of the corporation
issuing them.  Warrants represent options to purchase equity securities of an
issuer at a specific price for a specific period of time.  They do not represent
ownership of such securities, but only the right to buy them.

                      MISCELLANEOUS INVESTMENT PRACTICES 

   
PORTFOLIO TURNOVER.  A change in securities held by a Fund is known as 
"portfolio turnover" and almost always involves the payment by the Fund of 
brokerage commissions or dealer markup and other transaction costs on the 
sale of securities as well as on the reinvestment of the proceeds in other 
securities. Portfolio turnover is not a limiting factor with respect to 
investment decisions.  Although the rate of portfolio turnover is difficult 
to predict, it is not anticipated that under normal circumstances the annual 
portfolio turnover rate for the International Small Capitalization Series 
will exceed 100%.  It is, however, impossible to predict portfolio turnover 
in future years.  The portfolio turnover rate for the U.S. Small 
Capitalization Series for the fiscal years ended March 31, 1996 and 1997 was 
71.87% and      %, respectively.  The portfolio turnover rate for the Japan 
Series for the fiscal years ended March 31, 1996 and 1997 was 60.60% and      %,
respectively.  As disclosed in the Prospectus, high portfolio turnover involves
correspondingly greater brokerage commissions and other transaction costs, 
which will be borne directly by the Fund, and could involve realization of 
capital gains that would be taxable when distributed to shareholders of a 
Fund.  To the extent that portfolio turnover results in the realization of 
net short-term capital gains, such gains are ordinarily taxed to shareholders 
at ordinary income tax rates.
    

NOTICE ON SHAREHOLDER APPROVAL

 Unless otherwise indicated in the Prospectus or this Statement of Additional
Information, the investment objective and policies of each of the Funds may be
changed without shareholder approval.


<PAGE>

                               INVESTMENT RESTRICTIONS

Without a vote of the majority of the outstanding voting securities of a Fund,
the Trust will not take any of the following actions with respect to such Fund:

(1)  Borrow money in excess of 10% of the value (taken at the lower of cost or
current value) of the Fund's total assets (not including the amount borrowed) at
the time the borrowing is made, and then only from banks as a temporary measure
to facilitate the meeting of redemption requests (not for leverage) which might
otherwise require the untimely disposition of portfolio investments or for
extraordinary or emergency purposes.  Such borrowings will be repaid before any
additional investments are purchased.

(2)  Pledge, hypothecate, mortgage or otherwise encumber its assets in excess of
10% of the Fund's total assets (taken at cost) and then only to secure
borrowings permitted by Restriction 1 above.  (For the purposes of this
restriction, collateral arrangements with respect to options, stock index,
interest rate, currency or other futures, options on futures contracts and
collateral arrangements with respect to initial and variation margin are not
deemed to be a pledge or other encumbrance of assets.  With respect to the
International Small Capitalization Series and the Japan Series, collateral
arrangements with respect to swaps and other derivatives are also not deemed to
be a pledge or other encumbrance of assets.

(3)  Purchase securities on margin, except such short-term credits as may be
necessary for the clearance of purchases and sales of securities.  (For this
purpose, the deposit or payment of initial or variation margin in connection
with futures contracts or related options transactions is not considered the
purchase of a security on margin.)

(4)  Make short sales of securities or maintain a short position for the Fund's
account unless at all times when a short position is open the Fund owns an equal
amount of such securities or owns securities which, without payment of any
further consideration, are convertible into or exchangeable for securities of
the same issue as, and equal in amount to, the securities sold short.


(5)  Underwrite securities issued by other persons except to the extent that, in
connection with the disposition of its portfolio investments, it may be deemed
to be an underwriter under federal securities laws.

6)  Purchase or sell real estate, although it may purchase securities of issuers
which deal in real estate, including securities of real estate investment
trusts, and may purchase securities which are secured by interests in real
estate.

(7)  Concentrate more than 25% of the value of its total assets in any one
industry.

(8)  Invest in securities of other investment companies, except to the extent
permitted by the Investment Company Act of 1940, as amended (the "1940 Act").
Under the 1940 Act, no registered investment company may generally (a) invest
more than 10% of its total assets (taken at current value) in securities of
other investment companies, (b) own securities of any one investment company
having a value in excess of 5% of its total assets (taken at current value), or
(c) own more than 3% of the outstanding voting stock of any one investment
company.)

(9)  Purchase or sell commodities or commodity contracts except that each of the
Funds may purchase and sell foreign currency, currency futures contracts and
options thereon, stock index and other financial futures contracts and options
thereon.

<PAGE>

(10)  Make loans, except by purchase of debt obligations or by entering into
repurchase agreements or through the lending of the Fund's portfolio securities.

(11)  Issue senior securities.  (For the purpose of this restriction none of the
following is deemed to be a senior security:  any pledge or other encumbrance of
assets permitted by restriction (2) above; any borrowing permitted by
restriction (1) above; any collateral arrangements with respect to options,
future contracts and options in future contracts and with respect to initial and
variation margin; and the purchase or sale of options, forward contracts, future
contracts or options on future contracts.)

Notwithstanding the latitude permitted by Restrictions 1, 2, 3, 4, 9 and 10
above, the Funds have no current intention of (a) borrowing money, (b)
purchasing interest rate futures, (c) entering into short sales or (d) investing
in repurchase agreements.

   
It is contrary to the present policy of each Fund, which may be changed by the
trustees of the Trust without shareholder approval, to:
    

(a)  With the exception of the Japan Series, invest in warrants or rights (other
than warrants or rights acquired by the Fund as a part of a unit or attached to
securities at the time of purchase).

(b)  Write, purchase or sell options on particular securities (as opposed to
market indices or currencies).

(c)  Buy or sell oil, gas or other mineral leases, rights or royalty contracts.


(d)  Make investments for the purpose of exercising control of a company's
management.

(e)  Invest in (a) securities which at the time of investment are not readily
marketable, (b) securities the disposition of which is restricted under the
federal securities laws, and (c) repurchase agreements maturing in more than
seven days if, as a result, more than 15% of the Fund's net assets (taken at
current value) would then be invested in securities described in (a), (b) and
(c) above.

(f) With respect to 75% of its total assets, invest in a security if, as a
result of such investment, it would hold more than 10% (taken at the time of
such investment) of the outstanding voting securities of any one issuer, except
that this restriction does not apply to securities issued or guaranteed by the
U.S. Government or its agencies or instrumentalities.

   
Unless otherwise indicated, all percentage limitations on investments set forth
herein and in the Prospectus will apply at the time of the making of an
investment and shall not be considered violated unless an excess or deficiency
occurs or exists immediately after and as a result of such investment.
    

The phrase "shareholder approval," as used in the Prospectus, and the phrase
"vote of a majority of the outstanding voting securities," as used herein, means
the affirmative vote of the lesser of (1) more than 50% of the outstanding
shares of a Fund or the Trust, as the case may be, or (2) 67% or more of the
shares of a Fund, or the Trust, as the case may be, present at a meeting if more
than 50% of the outstanding shares are represented at the meeting in person or
by proxy.

<PAGE>

                    INCOME DIVIDENDS, DISTRIBUTIONS AND TAX STATUS

The tax status of the Funds and the distributions which they may make are
summarized in the Prospectus under the heading "Taxes."  The Funds intend to
qualify each year as a regulated investment company under the Internal Revenue
Code.  In order to qualify as a "regulated investment company," each Fund must,
among other things, (a) derive at least 90% of its gross income from dividends,
interest, payments with respect to certain securities loans, gains from the sale
or other disposition of securities or foreign currencies or other income
(including but not limited to gains from options, futures or forward contracts)
derived with respect to its business of investing in such securities or
currencies; (b) derive less than 30% of its gross income from the sale or the
other disposition of securities and certain other assets held less than three
months; (c) diversify its holdings so that, at the close of each quarter of its
taxable year, (i) at least 50% of the value of its total assets consists of
cash, cash items, U.S. Government securities, securities of other regulated
investment companies, and other securities limited generally with respect to any
one issuer to not more than 5% of the total assets of such Fund and not more
than 10% of the outstanding voting securities of such issuer, and (ii) not more
than 25% of the value of its assets is invested in the securities of any issuer
(other than U.S. Government securities or securities of other regulated
investment companies); and (d) distribute annually at least 90% of its dividend,
interest and certain other income (including, in general, short-term capital
gains).  To the extent a Fund qualifies for treatment as a regulated investment
company, the Fund will not be subject to federal income tax on income paid to
its shareholders in the form of dividends or capital gain distributions.

The Japan Series and the International Small Capitalization Series may be
subject to foreign withholding taxes on income and gains derived from foreign
investments.  Such taxes would reduce the yield on such Funds' investments, but,
as discussed in the Prospectus, may be taken as either a deduction or a credit
by U.S. citizens and corporations.

Investment by either Fund in certain "passive foreign investment companies"
could subject the Fund to a U.S. federal income tax or other charge on
distributions received from, or on the sale of its investment in, such a
company.  Such a tax cannot be eliminated by making distributions to Fund
shareholders.  If such Fund elects to treat a passive foreign investment company
as a "qualified electing fund," different rules will apply, although the Fund
does not expect to be in the position to make such elections.

As described in the Prospectus under the heading "Distributions," each Fund
intends to pay out substantially all of its ordinary income and net realized
short-term capital gains, and to distribute substantially all of its net
realized capital gains, if any, after giving effect to any available capital
loss carryover.  Net realized capital gain is the excess of net realized
long-term capital gain over net realized short-term capital loss.  Under the Tax
Reform Act of 1986, in order to avoid an excise tax imposed on certain
undistributed income, a Fund must distribute prior to each calendar year end
without regard to the Fund's fiscal year end (i) 98% of the Fund's ordinary
income, and (ii) 98% of the Fund's capital gain net income, if any, realized in
the one-year period ending on October 31.

In general, all dividend distributions derived from ordinary income and
short-term capital gain are taxable to investors as ordinary income (eligible in
part for the dividends-received deduction in the case of corporations) and
long-term capital gain distributions are taxable to investors as long-term
capital gains, whether such dividends or distributions are received in shares or
cash.  The dividends-received deduction for corporations will generally apply to
a Fund's dividends from investment income to the extent derived from dividends
received by the Fund from domestic corporations.

<PAGE>


Certain tax exempt organizations or entities may not be subject to federal
income tax on dividends or distributions from a Fund.  Each organization or
entity should review its own circumstances and the federal tax treatment of its
income.

Each Fund is generally required to withhold and remit to the U.S. Treasury 20%
of all dividends from net investment income and capital gain distributions,
whether distributed in cash or reinvested in shares of the Fund, paid or
credited to any shareholder account for which an incorrect or no taxpayer
identification number has been provided or where the Fund is notified that the
shareholder has under-reported income in the past (or the shareholder fails to
certify that he is not subject to such withholding).  In addition, the Fund will
generally be required to withhold and remit to the U.S. Treasury 20% of the
amount of the proceeds of any redemption of Fund shares from a shareholder
account for which an incorrect or no taxpayer identification number has been
provided.  However, the general back-up withholding rules set forth above will
not apply to tax exempt entities so long as each such entity furnishes the Fund
with an appropriate certificate.

To the extent such investments are permissible for a particular Fund, the Fund's
transactions in options, futures contracts, hedging transactions, forward
contracts, straddles and foreign currencies will be subject to special tax rules
(including mark-to-market, straddle, wash sale and short sale rules), the effect
of which may be to accelerate income to the Fund, defer losses to the Fund,
cause adjustments in the holding periods of the Fund's securities and convert
short-term capital losses into long-term capital losses. These rules could
therefore affect the amount, timing and character of distributions to
shareholders.



                               MANAGEMENT OF THE TRUST

The trustees and officers of the Trust and their principal occupations during
the past five years are as follows:
   
Kenneth Reid* (47)                   General Partner and Director
President, Trustee                   of Research, Rosenberg Institutional Equity
                                     Management, June, 1986 to present.

Marlis S. Fritz* (47)                General Partner and Director of
Vice President, Trustee              Marketing, Rosenberg Institutional Equity
                                     Management, April, 1985 to present.

Nils H. Hakansson (60)               Sylvan C. Coleman Professor of
Trustee                              Finance and Accounting,
                                     Haas School of Business, University of 
                                     California, Berkeley, June, 1969 to 
                                     present.  Director, Supershare Services 
                                     Corporation, November, 1989

<PAGE>

to present.

Barr M. Rosenberg* (54)              Managing General Partner, Trustee and
Trustee                              Chief Investment Officer, Rosenberg 
                                     Institutional Equity Management, January,
                                     1985 to present.

William F. Sharpe (63)               Timken Professor of Finance,
Trustee                              Stanford University, September, 1970 to 
                                     September, 1989. Timken Professor Emeritus
                                     of Finance, Stanford University, October, 
                                     1989 to present.  Chairman, William F. 
                                     Sharpe Associates, Los Altos, California
                                     (research and financial consulting), 
                                     March, 1986 to present.

Po-Len Hew (31)                      Accounting Manager, Rosenberg
Treasurer                            Institutional Equity Management, October, 
                                     1989 to present.

Carolyn Demler (53)                  Administrative Coordinator, Rosenberg
Clerk                                Institutional Equity Management, December, 
                                     1988 to present.

John J. Pileggi (38)          Director, Furman Selz LLC 1993 to present.
Assistant Treasurer           Managing Director, Furman Selz LLC, 1984 to
1993.

David Bunstine (31)           Employee of BISYS Fund Services.
Assistant Treasurer

Bruce Treff (30)              Employee of BISYS Fund Services.
Assistant Clerk


Carrie Zuckerman (30)         Employee of BISYS Fund Services.
Assistant Clerk

Alaina Metz (30)              Employee of BISYS Fund Services.
Assistant Clerk

*
Trustees who are "interested persons" (as defined in the 1940 Act) of the Trust
  or the Manager. 
    
   
The mailing address of each of the officers and trustees is
  c/o Barr Rosenberg Series Trust, 3435 Stelzer Road, Columbus, OH 43219.
    

  The principal occupations of the officers and trustees for the last five years
  have been with the employers as shown above, although in some cases they have
  held different positions with such employers.

<PAGE>
   
The Trust pays the trustees other than those who are interested persons of the
Manager an annual fee of $36,000 (including a base fee and a fee per Fund for
each meeting). The Trust does not pay any pension or retirement benefits for its
trustees.  As noted below under the heading "Investment Advisory and Other
Services -- Management Contract," the Trust does not pay any compensation to
officers or trustees of the Trust other than those trustees who are not
interested persons of the Trust.  The following table sets forth information
concerning the total compensation paid to each of the trustees who are not
interested persons of the Trust in the fiscal year ended March 31, 1997.
    

   
<TABLE>
<CAPTION>


(1)                     (2)                 (3)                 (4)                 (5)

                                                                                    Total
                                            Pension or                              Compensation
                                            Retirement                              from Registrant
                        Aggregate           Benefits Accrued    Estimated Annual    and Fund
Name of Person          Compensation        as Part of Fund     Benefits Upon       Complex Paid
Position                from Registrant     Expenses            Retirement          to Directors
- -----------------       ---------------     ----------------    ----------------    ---------------

<S>                     <C>                 <C>                 <C>                 <C>
Nils H. Hakansson       $                   $0                  $0                  $
Trustee

William F. Sharpe       $                   $0                  $0                  $
Trustee

</TABLE>
    

   
    Messrs. Rosenberg and Reid and Ms. Fritz, Demler and Hew, each being a
general partner, officer or employee of the Manager, will each benefit from the
management fees paid by the Trust to the Manager, but receive no direct
compensation from the Trust.
    

                        INVESTMENT ADVISORY AND OTHER SERVICES

MANAGEMENT CONTRACTS

    As disclosed in the Prospectus under the heading "Management of the Trust,"
under management contracts (each a "Management Contract") between the Trust, on
behalf of each Fund, and Rosenberg Institutional Equity Management (the
"Manager"), subject to the control of the trustees of the Trust and such
policies as the trustees may determine, the Manager will furnish continuously an
investment program for each Fund and will make investment decisions on behalf of
each Fund and place all orders for the purchase and sale of portfolio
securities.  Subject to the control of the trustees, the Manager furnishes
office space and equipment, provides bookkeeping and certain clerical services
and pays all salaries, fees and expenses of officers and trustees of the Trust
who are affiliated with the Manager.  As indicated under "Portfolio Transactions
- -- Brokerage and Research Services," the Trust's portfolio transactions may be
placed with broker-dealers which furnish the Manager, at no cost, certain
research, statistical and quotation services of value to the Manager in advising
the Trust or its other clients.

   
    As is disclosed in the Prospectus, each of the Funds has agreed to pay the
Manager a quarterly management fee at the annual percentage rate of the relevant
Fund's average daily net assets set forth in the Prospectus.  The Manager has
informed the Trust that it will voluntarily waive some or all of its management
fees under the Management Contracts and, if necessary, will bear certain
expenses of each Fund until further notice so that such Fund's total annual
operating expenses (including the management fee but not including nonrecurring
account fees and extraordinary expenses) applicable to each class will not
exceed the percentage of such Fund's average daily net assets attributable to
that class as set forth in the Prospectus.  In addition, the Manager's
compensation under each Management Contract is subject to reduction to the
extent that in any year the expenses of a Fund (including investment advisory
fees but

<PAGE>

excluding taxes, portfolio brokerage commissions and any distribution expenses
paid by a class of shares of a Fund pursuant to a distribution plan or
otherwise) exceed the limits on investment company expenses imposed by any
statute or regulatory authority of any jurisdiction in which shares of the Fund
are qualified for offer and sale.  The most restrictive of such limitations as
of the date of this Statement of Additional Information is believed to be 21/2%
of the first $30 million of average net assets, 2% of the next $70 million of
average net assets and 11/2% of any excess over $100 million.
    

    Each Management Contract provides that the Manager shall not be subject to
any liability to the Trust or to any shareholder of the Trust in connection with
the performance of its services thereunder in the absence of willful
misfeasance, bad faith, gross negligence or reckless disregard of its
obligations and duties thereunder.

   
    Each Management Contract will continue in effect for a period no more than
two years from the date of its execution only so long as its continuance is
approved at least annually by (i) vote, cast in person at a meeting called for
that purpose, of a majority of those trustees who are not "interested persons"
of the Manager or the Trust, and by (ii) the majority vote of either the full
Board of Trustees or the vote of a majority of the outstanding shares of the
relevant Fund.  Each Management Contract automatically terminates on assignment,
and is terminable on not more than 60 days' notice by the Trust to the Manager.
In addition, each Management Contract may be terminated on not more than 60
days' written notice by the Manager to the Trust.
    

    As disclosed in the Prospectus, the general partners of the Manager are
Barr M. Rosenberg, Marlis S. Fritz and Kenneth Reid.  Each of these persons may
be deemed a controlling person of the Manager.

   
    As discussed in this Statement of Additional Information under the heading
"Management of the Trust," Barr M. Rosenberg is a trustee of the Trust as well
as Managing General Partner and Chief Investment Officer of the Manager; Marlis
S. Fritz is a trustee and Vice President of the Trust as well as a  general
partner and Director of Marketing of the Manager; and Kenneth Reid is a trustee
and President of the Trust as well as a general partner and Director of Research
of the Manager.
    

    During the last three fiscal years, the U.S. Small Capitalization Series
has paid the following amounts as management fees to the Manager pursuant to its
Management Contract:

<PAGE>

   
                     Gross        Reduction             Net
                   --------       ---------          --------

4/1/94 - 3/31/95   $427,746       $148,971           $278,775

4/1/95 - 3/31/96   $514,386       $157,913           $356,473

4/1/96 - 3/31/97
    

    During the last three fiscal years, the Japan Series has paid the following
amounts as management fees to the Manager pursuant to its Management Contract:

   
                        Gross          Reduction      Net
                       --------        ---------      ---

4/1/94 - 3/31/95       $ 12,148        $ 12,148       -0-

4/1/95 - 3/31/96       $ 12.093        $ 12,093       -0-

4/1/96 - 3/31/97
    

   
For the period from commencement of operations, the International Small
Capitalization Series has paid the following amounts as management fees to the
Manager pursuant to its Management Contract:
    

   
                        GROSS          REDUCTION      NET

4/1/96 - 3/31/97
    

   
    
ADMINISTRATIVE SERVICES

   
    The Trust has entered into a Fund Administration Agreement with BISYS 
Fund Services ("BISYS") pursuant to which BISYS provides certain management 
and administrative services necessary for the Funds' operations including:  
(i) general supervision of the operation of the Funds including coordination 
of the services performed by the Funds' investment advisor, transfer agent, 
custodian, independent accountants and legal counsel, regulatory compliance, 
including the compilation of information for documents such as reports to, 
and filings with, the SEC and state securities commissions, and preparation 
of proxy statements and shareholder reports for the Funds; (ii) general 
supervision relative to the compilation of data required for the preparation 
of periodic reports distributed to the Funds' officers and Board of Trustees; 
and (iii) furnishing office space and certain facilities required for 
conducting the business of the Funds.  The Trust's principal underwriter is 
an affiliate of BISYS.  For these services, BISYS is entitled to receive a 
fee, payable monthly, at the annual rate of 0.15% of the average daily net 
assets of the Funds for each Fund.  The Trust did not pay any such fees to 
BISYS through the fiscal year ended March 31, 1997.
    

   
    

<PAGE>

DISTRIBUTOR AND DISTRIBUTION PLAN
   
    As stated in the text of the Prospectus under the heading "Management of
the Trust-Distributor," Adviser and Select Shares of each Fund are sold on a
continuous basis by the Trust's distributor, Barr Rosenberg Funds Distributor,
Inc. (the "Distributor").  The Distributor is an affiliate of BISYS.  Under the
Distributor's Contract between the Trust and the Distributor (the "Distributor's
Contract"), the Distributor is not obligated to sell any specific amount of
shares of the Trust and will purchase shares for resale only against orders for
shares.
    
    Pursuant to the Distribution Plan (the "Plan") described in the Prospectus,
in connection with the distribution of Select Shares of the Trust, the
Distributor receives certain distribution fees from the Trust. Subject to the
percentage limitation on the distribution fee set forth in the Prospectus, the
distribution fee may be paid in respect of services rendered and expenses borne
in the past with respect to each such class as to which no distribution fee was
paid on account of such limitation.  The Distributor may pay all or a portion of
the distribution fees it receives from the Trust to participating and
introducing brokers.

    The Plan may be terminated with respect to the class of shares of any Fund
to which the Plan relates by vote of a majority of the trustees of the Trust who
are not interested persons of the Trust (as defined in the 1940 Act) and who
have no direct or indirect financial interest in the operation of the Plan or
the Distributor's Contract (the "Independent Trustees"), or by vote of a
majority of the outstanding voting securities of that class.  Any change in the
Plan that would materially increase the cost to the class of shares of any Fund
to which the Plan relates requires approval by the affected class of
shareholders of that Fund.  The trustees of the Trust review quarterly a written
report of such costs and the purposes for which such costs have been incurred.
Except as described above, the Plan may be amended by vote of the trustees of
the Trust, including a majority of the Independent Trustees, cast in person at a
meeting called for the purpose.  For so long as the Plan is in effect, selection
and nomination of those trustees of the Trust who are not interested persons of
the Trust shall be committed to the discretion of such disinterested persons.

    The Distributor's Contract may be terminated with respect to any Fund or
class of shares thereof at any time by not more than 60 days' nor less than 30
days' written notice without payment of any penalty either by the Distributor or
by such Fund or class and will terminate automatically, without the payment of
any penalty, in the event of its assignment.

    The Distributor's Contract and the Plan will continue in effect with
respect to each class of shares to which they relate for successive one-year
periods, provided that each such continuance is specifically approved (i) by the
vote of a majority of the Independent Trustees and (ii) by the vote of a
majority of the entire Board of Trustees (or by vote of a majority of the
outstanding shares of a class, in the case of the Distributor's Contract) cast
in person at a meeting called for that purpose.

    If the Distributor's Contract or the Plan are terminated (or not renewed)
with respect to one or more classes, they may continue in effect with respect to
any class of any Fund as to which they have not been terminated (or have been
renewed).

    The trustees of the Trust believe that the Plan will provide benefits to
the Trust.  The trustees of the Trust believe that the Plan will result in
greater sales and/or fewer redemptions of Select Shares, although it is

<PAGE>

impossible to know for certain the level of sales and redemptions of Select
Shares that would occur in the absence of the Plan or under alternative
distribution schemes.  The trustees of the Trust believe that the effect on
sales and/or redemptions benefit the Trust by reducing Fund expense ratios
and/or by affording greater flexibility to Fund managers.

CUSTODIAL ARRANGEMENTS.  State Street Bank and Trust Company ("State Street
Bank"), Boston, Massachusetts 02102, is the Trust's custodian.  As such, State
Street Bank holds in safekeeping certificated securities and cash belonging to
the Trust and, in such capacity, is the registered owner of securities in
book-entry form belonging to a Fund.  Upon instruction, State Street Bank
receives and delivers cash and securities of a Fund in connection with Fund
transactions and collects all dividends and other distributions made with
respect to Fund portfolio securities.  State Street Bank also maintains certain
accounts and records of the Trust and calculates the total net asset value,
total net income and net asset value per share of a Fund on a daily basis.
State Street Bank has also contracted with certain foreign banks and
depositories to hold portfolio securities outside of the United States on behalf
of the Trust.

INDEPENDENT ACCOUNTANTS.  The Trust's independent accountants are Price
Waterhouse LLP, 160 Federal Street, Boston, Massachusetts 02110.  Price
Waterhouse LLP conducts an annual audit of the Trust's financial statements,
assists in the preparation of the Trust's federal and state income tax returns
and the Trust's filings with the Securities and Exchange Commission, and
consults with the Trust as to matters of accounting and federal and state income
taxation.

                               PORTFOLIO TRANSACTIONS

INVESTMENT DECISIONS.  The purchase and sale of portfolio securities for the
Funds and for the other investment advisory clients of the Manager are made by
the Manager with a view to achieving each client's investment objective.  For
example, a particular security may be purchased or sold on behalf of certain
clients of the Manager even though it could also have been purchased or sold for
other clients at the same time.  Likewise, a particular security may be
purchased on behalf of one or more clients when the Manager is selling the same
security on behalf of one or more other clients.  In some instances, therefore,
the Manager, acting for one client may sell indirectly a particular security to
another client.  It also happens that two or more clients may simultaneously buy
or sell the same security, in which event purchases or sales are effected pro
rata on the basis of cash available or other equitable basis so as to avoid any
one account's being preferred over any other account.

BROKERAGE AND RESEARCH SERVICES.  Transactions on stock exchanges and other
agency transactions involve the payment of negotiated brokerage commissions.
Such commissions vary among different brokers.  There is generally no stated
commission in the case of securities traded in the over-the-counter markets, but
the price paid for such securities usually includes an undisclosed dealer
commission or mark up.  In placing orders for the portfolio transactions of a
Fund, the Manager will seek the best price and execution available, except to
the extent it may be permitted to pay higher brokerage commissions for brokerage
and research services as described below.  The determination of what may
constitute best price and execution by a broker-dealer in effecting a securities
transaction involves a number of considerations, including, without limitation,
the overall net economic result to the Fund (involving price paid or received
and any commissions and other costs paid), the efficiency with which the
transaction is effected, the ability to effect the transaction at all where a
large block is involved, availability of the broker to stand ready to execute
possibly difficult transactions in the future and the financial strength and
stability of the broker.  Because of such factors, a broker-dealer effecting a
transaction may be paid a commission higher than that charged by another
broker-dealer.  Most of the foregoing are judgmental considerations.

<PAGE>

Over-the-counter transactions often involve dealers acting for their own
account.  It is the Manager's policy to place over-the-counter market orders for
a Fund with primary market makers unless better prices or executions are
available elsewhere.

Although the Manager does not consider the receipt of research services as a
factor in selecting brokers to effect portfolio transactions for a Fund, the
Manager will receive such services from brokers who are expected to handle a
substantial amount of such Fund's portfolio transactions.  Research services may
include a wide variety of analyses, reviews and reports on such matters as
economic and political developments, industries, companies, securities and
portfolio strategy.  The Manager uses such research in servicing other clients
as well as the Trust.

As permitted by Section 28(e) of the Securities Exchange Act of 1934, as
amended, and subject to such policies as the trustees of the Trust may
determine, the Manager may pay an unaffiliated broker or dealer that provides
"brokerage and research services" (as defined in the Act) to the Manager an
amount of commission for effecting a portfolio investment transaction in excess
of the amount of commission another broker or dealer would have charged for
effecting that transaction.
   
The U.S. Small Capitalization Series paid brokerage commissions in the amounts
of $137,979 for the fiscal year ended March 31, 1995, $220,065.63 for the fiscal
year ended March 31, 1996 and $          for the fiscal year ended March 31,
1997.
    

   
The Japan Series paid brokerage commissions in the amounts of $10,763 for the
fiscal year ended March 31, 1995, $6,509.21 for the fiscal year ended March 31,
1996 and $          for the fiscal year ended March 31, 1997.
    

   
The Japan Series may pay brokerage commissions to Nomura Securities Company,
Inc., which may be deemed to be an "affiliate of an affiliate" of the Trust, for
acting as the Fund's agent on purchases and sales of securities for the
portfolio of the Fund.  Securities and Exchange Commission rules require that
commissions paid to an affiliate of an affiliate by the Fund for portfolio
transactions not exceed "usual and customary" brokerage commissions.  The rules
define "usual and customary" commissions to include amounts which are
"reasonable and fair compared to the commission, fee or other remuneration
received or to be received by other brokers in connection with comparable
transactions involving similar securities being purchased or sold on a
securities exchange during a comparable period of time."  The trustees,
including those who are not "interested persons" of the Trust, have adopted
procedures for evaluating the reasonableness of commissions paid to Nomura
Securities and will review these procedures periodically.  In the fiscal year
ended March 31, 1995, the Fund paid an aggregate of $2,967 in brokerage
commissions to Nomura Securities.  The Fund did not pay any brokerage
commissions to Nomura Securities during its fiscal years ended March 31, 1996
and March 31, 1997.
    

   
The International Small Capitalization Series paid brokerage commissions in the
amounts of $           for the fiscal year ended March 31, 1997.
    

<PAGE>

                  DESCRIPTION OF THE TRUST AND OWNERSHIP OF SHARES


   
As more fully described in the Prospectus, the Trust is a diversified open-end
series investment company organized as a Massachusetts business trust.  A copy
of the Agreement and Declaration of Trust of the Trust, as amended (the
"Declaration of Trust") is on file with the Secretary of The Commonwealth of
Massachusetts.  The fiscal year of the Trust ends on March 31.  The Trust
changed its name to "Barr Rosenberg Series Trust" from "Rosenberg Series Trust"
on August 5, 1996.
    

   
Interests in the Trust's portfolios are currently represented by shares of three
series, the U.S. Small Capitalization Series, the International Small
Capitalization Series and the Japan Series, issued pursuant to the Declaration
of Trust.  The rights of shareholders and powers of the trustees of the Trust
with respect to such shares are described in the Prospectus.
    

As described in the Prospectus, each Fund is further divided into three classes
of shares designated as Institutional Shares, Adviser Shares and Select Shares.
Each class of shares of each Fund represents interests in the assets of the Fund
and has identical dividend, liquidation and other rights and the same terms and
conditions except that expenses, if any, related to the distribution and
shareholder servicing of a particular class are borne solely by such class and
each class may, at the discretion of the trustees of the Trust, also pay a
different share of other expenses, not including advisory or custodial fees or
other expenses related to the management of the Trust's assets, if these
expenses are actually incurred in a different amount by that class, or if the
class receives services of a different kind or to a different degree than the
other classes.  All other expenses are allocated to each class on the basis of
the net asset value of that class in relation to the net asset value of the
particular Fund.

The Declaration of Trust provides for the perpetual existence of the Trust.  The
Trust may, however, be terminated at any time by vote of at least two-thirds of
the outstanding shares of the Trust.

VOTING RIGHTS

Shareholders are entitled to one vote for each full share held (with fractional
votes for fractional shares held) and will vote (to the extent provided herein)
in the election of trustees and the termination of the Trust and on other
matters submitted to the vote of shareholders.  Shareholders will vote by
individual Fund on all matters except (i) when required by the 1940 Act, shares
shall be voted in the aggregate and not by individual Fund, and (ii) when the
trustees have determined that the matter affects only the interests of one or
more Funds, then only shareholders of such Funds shall be entitled to vote
thereon.  Shareholders of one Fund shall not be entitled to vote on matters
exclusively affecting another Fund, such matters including, without limitation,
the adoption of or change in any fundamental policies or restrictions of the
other Fund and the approval of the investment advisory contracts of the other
Fund.

Each class of shares of each Fund has identical voting rights except that each
class has exclusive voting rights on any matter submitted to shareholders that
relates solely to that class, and has separate voting rights on any matter
submitted to shareholders in which the interests of one class differ from the
interests of any other class.  Each class of shares has exclusive voting rights
with respect to matters pertaining to any distribution or servicing plan
applicable to that class.  All three classes of shares of a Fund will vote
together, except with respect to any distribution or servicing plan applicable
to a class or when a class vote is required as specified above or otherwise by
the 1940 Act.

There will normally be no meetings of shareholders for the purpose of electing
trustees, except that in accordance with the 1940 Act (i) the Trust will hold a
shareholders' meeting for the election of trustees at such time as less than a
majority of the trustees holding office have been elected by shareholders, and

<PAGE>

(ii) if, as a result of a vacancy in the Board of Trustees, less than two-thirds
of the trustees holding office have been elected by the shareholders, that
vacancy may only be filled by a vote of the shareholders.  In addition, trustees
may be removed from office by a written consent signed by the holders of
two-thirds of the outstanding shares and filed with the Trust's custodian or by
a vote of the holders of two-thirds of the outstanding shares at a meeting duly
called for the purpose, which meeting shall be held upon the written request of
the holders of not less than 10% of the outstanding shares.  Upon written
request by the holders of at least 1% of the outstanding shares stating that
such shareholders wish to communicate with the other shareholders for the
purpose of obtaining the signatures necessary to demand a meeting to consider
removal of a trustee, the Trust has undertaken to provide a list of shareholders
or to disseminate appropriate materials (at the expense of the requesting
shareholders).  Except as set forth above, the trustees shall continue to hold
office and may appoint successor trustees.  Voting rights are not cumulative.

No amendment may be made to the Declaration of Trust without the affirmative
vote of a majority of the outstanding shares of the Trust except (i) to change
the Trust's name or to cure technical problems in the Declaration of Trust and
(ii) to establish, designate or modify new and existing series, sub-series or
classes of shares of any series of Trust shares or other provisions relating to
Trust shares in response to applicable laws or regulations.

SHAREHOLDER AND TRUSTEE LIABILITY


Under Massachusetts law, shareholders could, under certain circumstances,
be held personally liable for the obligations of the Trust.  However, the
Declaration of Trust disclaims shareholder liability for acts or obligations of
the Trust and requires that notice of such disclaimer be given in each
agreement, obligation, or instrument entered into or executed by the Trust or
the trustees.  The Declaration of Trust provides for indemnification out of all
the property of the relevant Fund for all loss and expense of any shareholder of
that Fund held personally liable for the obligations of the Trust.  Thus, the
risk of a shareholder incurring financial loss on account of shareholder
liability is considered remote since it is limited to circumstances in which the
disclaimer is inoperative and the Fund of which he is or was a shareholder would
be unable to meet its obligations.

The Declaration of Trust further provides that the trustees will not be liable
for errors of judgment or mistakes of fact or law.  However, nothing in the
Declaration of Trust protects a trustee against any liability to which the
trustee would otherwise be subject by reason of willful misfeasance, bad faith,
gross negligence, or reckless disregard of the duties involved in the conduct of
his office.  The Declaration of Trust also provides for indemnification by the
Trust of the trustees and the officers of the Trust against liabilities and
expenses reasonably incurred in connection with litigation in which they may be
involved because of their offices with the Trust, except if it is determined in
the manner specified in the Declaration of Trust that such trustees are liable
to the Trust or its shareholders by reason of willful misfeasance, bad faith,
gross negligence or reckless disregard of his or her duties.  In addition, the
Manager has agreed to indemnify each trustee who is not "an interested person"
of the Trust to the maximum extent permitted by the 1940 Act against any
liabilities arising by reason of such trustee's status as a trustee of the
Trust.

<PAGE>

OWNERS OF 5% OR MORE OF A FUND'S SHARES
   
    
   
The following chart sets forth the names, addresses and percentage ownership of
those shareholders owning beneficially and of record 5% or more of the
outstanding shares of the U.S. Small Capitalization Series as of April 6, 1997:
    
   
Name and Address                        Percentage Ownership
   of Owner                                 of the Fund
- --------------------                        -----------
The Nathan Cummings Foundation                11.03%
50 S. LaSalle St.
Chicago, IL 60675-0001

The Evangelical Lutherans                     28.65%
1 Cabot Rd.                                           
Medford, MA 02155-5158

University of Washington
Northern Trust Co.                            13.34%
801 S. Canal CB3S
Chicago, IL 60607

Rosenberg Money Purchase Pension Plan          7.26%
101 Carnegie Ctr.
Princeton, NJ 08540-6231 

Charles Schwab & Co. Inc.                     15.56%
101 Montgomery St.
San Francisco, CA 94104

Currie & Co.
c/o Fiduciary Trust Company Intl.              5.73
P.O. Box 3199 Church Street Station
New York, NY 10008
    

<PAGE>
   
    
   
The following chart sets forth the names, addresses and percentage ownership of
those shareholders owning beneficially and of record 5% or more of the
outstanding shares of the Japan Series as of April 16, 1997:
    

   
    
Name and Address                               Percentage Ownership
   of Owner                                         of the Fund
   --------                                         -----------
Rosenberg Institutional                                92.94%
Equity Management
4 Orinda Way, Suite 300E
Orinda, CA  94563

Koko M Baker                                            5.56%
c/o RIEM
4 Orinda Way
Orinda, CA  94563

The following chart sets forth the names, addresses and percentage ownership 
of those shareholders owning beneficially and of record 5% or more of the 
outstanding shares of the International Small Capitalization Series as of 
April 16, 1997:

   
Name and Address                               Percentage Ownership
   of Owner                                         of the Fund
   --------                                         -----------
Rosenberg Money Purchase Pension Plan                  17.78%
101 Carnegie Ctr
Princeton, NJ 08540-6231

Stetson University Inc.                                14.94%
421 N. Woodland Blvd.
Deland Fl 32720

Charles Schwab & Co. Inc.                              54.74%
101 Montgomery St.
San Francisco, CA 94104-1299

Harco Investors                                         7.45%
P.O. Box 15299
Sacramento, CA 95851-1299
    

   
    


The officers and trustees of the Trust, as a group, own less than 1% of any
class of outstanding shares of the Trust except of the Japan Series.

                          DETERMINATION OF NET ASSET VALUE

   
As indicated in the Prospectus, the net asset value of each Fund share, with the
exception of shares of the Japan Series, is determined on each day on which the
New York Stock Exchange is open for trading.  The Trust expects that the days,
other than weekend days, that the New York Stock Exchange will not be open are
Independence Day, Labor Day, Thanksgiving Day, Christmas Day, New Year's Day,
President's Day, Good Friday and Memorial Day.
    
   
As indicated in the Prospectus, the net asset value of each share of the Japan
Series is determined on each day on which the Tokyo Stock Exchange is open for
trading.  The Tokyo Stock Exchange is closed on Saturdays and Sundays.  The
holidays for the Tokyo Stock Exchange for the remainder of 1997 are September
15, October 10, November 3 and November 23.  If a holiday falls on a Saturday or
Sunday, there is not a holiday substitution.  The Exchange is also expected not
to be open on the spring and fall equinox.
    
Portfolio securities listed on a securities exchange for which market quotations
are available are valued at the last quoted sale price on each business day, or,
if there is no such reported sale, at the most recent quoted bid price.  Price
information on listed securities is generally taken from the closing price on
the exchange where the security is primarily traded.  Unlisted securities for
which market quotations are readily available are valued at the most recent
quoted bid price, except that debt obligations with sixty days or less remaining
until maturity may be valued at their amortized cost.  Exchange-traded options,
futures and options on futures are valued at the settlement price as determined
by the appropriate clearing corporation.  Other assets and securities for which
no quotations are readily available are valued at fair value as determined in
good faith by the trustees of the Trust or by persons acting at their direction.
   
The procedures for purchasing shares of each of the Funds and for determining
the offering price of such shares are described in the Prospectus.  The Trust
has elected to be governed by Rule 18f-1 under the 1940 Act pursuant to which
the Trust is obligated to redeem shares solely in cash for any shareholder
during any 90-day period up to the lesser of (i) $250,000 or (ii) 1% of the
total net asset value of the Trust at the beginning of such period.  The
procedures for redeeming shares of each of the Funds are described in the
Prospectus.
    

<PAGE>

                                       EXPERTS

The financial statements included in this Statement of Additional Information
(see "Financial Statements" below) have been included in reliance on the report
of Price Waterhouse LLP, independent accountants, given on the authority of said
firm as experts in auditing and accounting.

<PAGE>


                             BARR ROSENBERG SERIES TRUST
                             ---------------------------

                             Specimen Price-Make-Up Sheet
                             ----------------------------
   
The following are computations of the total offering price per share for each
Series of the Trust based on its net asset value and shares of beneficial
interest outstanding at the close of business on _____ ___, 1997.
    

   
U.S. Small Capitalization Series

Net Assets at Value (Equivalent to ___ per share
based on ____________ shares of beneficial interest outstanding)
________

Offering Price _____________  =  _________
    

   
Japan Series

Net Assets at Value (Equivalent to _____ per share
based on _________ shares of beneficial interest outstanding)
__________

Offering Price _________________  =  _________
    

   
Internation Small Capitalization Series

Net Assets at Value (Equivalent to _____ per share
based on _________ shares of beneficial interest outstanding)
__________

Offering Price _________________  =  _________
    

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


                                        A-1

   
                              FINANCIAL STATEMENTS

     The unaudited financial statements of the International Small 
Capitalization Series as of and for the period ended March 31, 1997 are 
included herein.

NOTE: The financial statements and schedules required by Item 23 of Form N-1A 
will be provided prior to the effective date of this Post-Effective 
Amendment No. 13 as part of Post-Effective Amendment No. 14 to the Trust's 
Registration Statement filed pursuant to Rule 485(b).
    

<PAGE>
   

                 ROSENBERG INTERNATIONAL SMALL CAPITALIZATION SERIES
                                ASSETS AND LIABILITIES
                                    MARCH 31, 1997
                                     (unaudited)
    

<TABLE>
<CAPTION>


<S>                                                            <C>        
ASSETS
Investments, at value 
(cost:$11,948,121)                                             $11,989,570
Foreign currency, at value (cost:$844,487)                         835,031
Cash                                                               863,194
Receivable for Fund shares sold                                    206,630
Receivable for investments sold                                     26,476
Dividends and interest receivable                                   31,258
Receivable from Manager                                            180,180
                                                               -----------

  Total Assets                                                  14,132,339
                                                               -----------

LIABILITIES
Payable for investments purchased                                  974,468
Other accrued expenses                                             121,697
                                                               -----------

  Total Liabilities                                              1,096,165
                                                               -----------


NET ASSETS, applicable to 
1,287,505 shares of beneficial
interest outstanding                                           $13,036,174
                                                               -----------
                                                               -----------



   
Shares of beneficial interest outstanding - Institutional
 Shares                                                          1,269,278
                                                               -----------
                                                               -----------

Net Asset Value Per Share - Institutional Shares                    $10.13
                                                               -----------
                                                               -----------

Shares of beneficial interest outstanding - Select Shares           18,227
                                                               -----------
                                                               -----------

Net Asset Value Per Share - Select Shares                           $10.13
                                                               -----------
                                                               -----------
    



NET ASSETS CONSIST OF:

Paid-in capital                                                $12,996,170
Accumulated undistributed net investment income                      3,836
Accumulated realized gain on investments                             4,175
Accumulated net unrealized appreciation
  on investments                                                    31,993
                                                               -----------

NET ASSETS                                                     $13,036,174
                                                               -----------
                                                               -----------
</TABLE>

<PAGE>
   

                 ROSENBERG INTERNATIONAL SMALL CAPITALIZATION SERIES
                               STATEMENT OF OPERATIONS
                  FOR THE PERIOD SEPTEMBER 23, 1996- MARCH 31, 1997
                                     (unaudited)

    


<TABLE>
<CAPTION>


<S>                                                        <C>          <C>    
Investment income:
Dividend income (Net of withholding tax of $2,495)         $55,861
Interest income                                              1,546
                                                           -------

                                                                       $ 57,407
                                                                       --------

Expenses:
Custody fees                                                82,480
Fund accounting                                             63,686
Advisory                                                    35,711
Registration                                                26,292
Audit                                                       20,042
Reports to shareholders                                     15,016
Shareholder servicing                                        7,577
Administration                                               5,357
Trustees                                                     3,476
Legal                                                        2,149
Insurance                                                    1,178
Miscellaneous                                                6,498
                                                            ------

  Total expenses before waivers/reimbursements                          269,462
  Less expenses waived/reimbursed                                      (215,891)
                                                                       --------

Net expenses                                                             53,571

Net investment income                                                     3,836
                                                                        -------


Realized and unrealized gain on investments:
Net realized gain on investments                                          4,175
Net change in unrealized appreciation 
on investments                                                           31,993
                                                                        -------


Net realized and unrealized gain on investments                          36,168
                                                                        -------


Net increase in net assets resulting from operations                   $ 40,004
                                                                        -------
                                                                        -------
</TABLE>



<PAGE>
   

                             ROSENBERG INTERNATIONAL SMALL CAPITALIZATION SERIES
                             STATEMENT OF CHANGES IN NET ASSETS                 
                                    (unaudited)                
    

<TABLE>
<CAPTION>

                                                                September 23, 1996
                                                           (Commencement of Operations)
                                                                through March 31, 1997
                                                            ----------------------------

<S>                                                                  <C>       
Operations:
  Net investment income                                             $     3,836
  Net realized gain on investments                                        4,175
  Net change in unrealized appreciation 
    on investments                                                       31,993
                                                                    -----------

Net increase in net assets resulting
  from operations                                                        40,004
                                                                    -----------

   
Increase from capital share transactions:
  Proceeds from sales of shares:
    Institutional Shares                                             13,079,145
    Select Shares                                                       182,551
                                                                    -----------
                                                                     13,261,696
  Cost of shares redeemed:
    Institutional Shares                                              (332,298)
    Select Shares                                                             -
                                                                    -----------
                                                                      (332,298)

 Increase in net assets from subscription/redemption fees                66,772
                                                                    -----------

  Net increase in net assets from capital share transactions         12,996,170
                                                                    -----------
    

Total increase  in net assets                                        13,036,174

Net assets:
  Beginning of period                                               $         0
                                                                    -----------

  End of period                                                     $13,036,174
                                                                    -----------
                                                                    -----------
</TABLE>



<PAGE>
   

               ROSENBERG INTERNATIONAL SMALL CAPITALIZATION FUND
                 FOR A SHARE OUTSTANDING THROUGHOUT THE PERIOD 
      SEPTEMBER 23, 1996 (COMMENCEMENT OF OPERATIONS) THROUGH MARCH 31, 1997
                                     (unaudited)
    

<TABLE>
<CAPTION>
   
                                                            Institutional      Select
                                                               Shares         Shares(a)
                                                              --------        --------
    

<S>                                                             <C>             <C>   
Net asset value at beginning of period                          $ 10.00         $10.04
                                                                -------         ------
Income from Investment Operations:
  Net investment income                                            0.01           0.02
  Net realized and unrealized gain on investments
    and foreign currency                                           0.12           0.07
                                                                -------         ------
       Total from investment operations                            0.13           0.09
                                                                -------         ------

Net asset value at end of period                                $ 10.13         $10.13
                                                                -------         ------
                                                                -------         ------

Total return(1)                                                   1.30%          0.89%*

Net assets, end of period (000)                                $12,852          $ 185
Ratio of net expenses to average daily net assets                 1.49%          1.45%**
Ratio of net expenses to average daily net assets
  before waiver/reimbursement                                     7.45%          9.72%**
Ratio of net investment income to average daily net assets        0.05%          0.21%**
Portfolio turnover rate                                           6.71%          6.71%**
</TABLE>

(a) Select shares were first offered for sale to investors on
    October 23, 1996.
(1) Total return would have been lower had certain fees and
    expenses not been waived.
*   Not Annualized.
**  Annualized.
<PAGE>

BARR ROSENBERG SERIES TRUST

THE INTERNATIONAL SMALL CAPITALIZATION FUND
NOTES TO FINANCIAL STATEMENTS (UNAUDITED)
MARCH  31, 1997
- --------------------------------------------------------------------------------


 NOTE 1.  ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES. The International
Small Capitalization Fund (the "Fund") is one of three portfolios (together, the
"Portfolios") of Rosenberg Series Trust (the "Trust"), an open-end diversified
management investment company. The Fund, which commenced operations on September
23, 1996, has three classes of shares: Institutional Shares, Select Shares and
Adviser Shares (currently, only the Institutional and Select Shares are offered
to investors).  The classes differ primarily with respect to the level of
Shareholder Service Fee and Distribution Fee borne by each class.  In addition,
an investor's eligibility to purchase each of the three classes of shares
generally depends on the amount invested in the Fund and on whether the investor
makes the investment in the Fund directly or through a financial adviser. The
Trust was established as a Massachusetts business trust under the laws of
Massachusetts on April 1, 1988.

The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts and disclosures in the financial statements. Actual
amounts could differ from those estimates. Following is a summary of significant
accounting policies consistently followed by the Fund in the preparation of its
financial statements. 

    SECURITY VALUATION

Portfolio securities listed on a national exchange or exchanges for which market
quotations are available are valued at their last quoted sale price on each
business day. If  there is no such reported sale, the most recently quoted bid
price is used. Debt obligations with sixty days or less remaining until maturity
are valued at their amortized cost. Unlisted securities for which market
quotations are readily available are valued at the most recent quoted bid price.
Securities quoted in foreign currencies are translated into U.S. dollars based
upon the prevailing exchange rate at the close of each business day. Other
assets and securities for which no quotation is readily available are valued at
fair value as determined in good faith by the Trustees. 

    SECURITY TRANSACTIONS AND RELATED INVESTMENT INCOME

Security transactions are accounted for on the trade date (the date the order to
buy or sell is executed). Corporate actions (including cash dividends) are
recorded on the ex-date or as soon after the ex-date as the Fund becomes aware
of such action, net of any non-refundable tax withholdings. Interest income is
recorded on the accrual basis and is adjusted for the accretion of discounts. In
determining the net gain or loss on securities sold, the cost of securities is
determined on the identified cost basis. 

    FOREIGN CURRENCY TRANSACTIONS

All monetary items denominated in foreign currencies are translated to U.S.
dollars based upon the prevailing exchange rate at the close of each business
day. Net realized gains and losses on foreign currency transactions represent
net gains and losses from currency gains and losses realized between the trade
and settlement dates on securities transactions, and the difference between the
amount of net investment income accrued and the U.S. dollar amount actually
received. Further, the effects of changes in foreign currency exchange rates on
investments in securities are not segregated in the Statement of Operations from
the effects of changes in market prices of those securities, but are included
with the net realized and unrealized gain or loss on investments.


<PAGE>

BARR ROSENBERG SERIES TRUST

THE INTERNATIONAL SMALL CAPITALIZATION FUND
NOTES TO FINANCIAL STATEMENTS (UNAUDITED) (CONTINUED)
MARCH  31, 1997
- --------------------------------------------------------------------------------


    DETERMINATION OF NET ASSET VALUE AND CALCULATION OF EXPENSES

Expenses specific to the Fund are charged directly to the Fund. Common expenses
are allocated to each Portfolio based on their comparative net asset values.  In
calculating net asset value per share of each class, investment income, realized
and unrealized gains and losses and expenses other than class specific expenses
are allocated daily to each class of shares based upon the proportion of net
assets attributed to each class at the beginning of each day.  Distribution
expenses are solely borne by and charged to the Select Shares; Shareholder
Service fees may only be charged to the Select Shares and Adviser Shares.

    DISTRIBUTIONS

Distributions to shareholders are recorded on the ex-dividend date.
Distributions are made on a tax basis which may differ from generally accepted
accounting principles. These differences are primarily due to differing
treatments for foreign currency transactions and wash sales for book and tax
purposes. Permanent book and tax basis differences will result in
reclassifications to capital accounts. 

 NOTE 2. MANAGEMENT FEE. Rosenberg Institutional Equity Management (the
"Manager") provides advisory and management services to the Fund as set forth in
the management contract.     Compensation of the Manager is payable quarterly
at the annual rate of 1.00% of the Fund's average daily net assets. The Manager
has agreed with the Fund to reduce its fee until further notice to the extent
necessary to limit the Funds' annual expenses (including the management fee but
excluding the Shareholder Service Fee, the Distribution Fee, brokerage
commissions and transfer taxes) to 1.50% of the Fund's average daily net assets.

 NOTE 3.  FEDERAL TAXATION. It is the Fund's policy to comply with the
requirements of the Internal Revenue Code applicable to regulated investment
companies and to distribute all of its taxable income, including any net
realized gain on investments, to its shareholders. Therefore, no provision is
made for federal income taxes. In order to meet certain excise tax distribution
requirements, the Fund is required to measure and distribute annually, net
capital gains and net foreign currency gains realized during a twelve-month
period ending October 31. In connection with this, the Fund is permitted for tax
purposes to defer into its next fiscal year any net capital losses or net
foreign currency losses incurred between November 1st  and the end of its fiscal
year.  For federal tax purposes at March 31, 1997, the amounts of unrealized
appreciation/depreciation and the cost of portfolio securities were as follows:

<TABLE>
<CAPTION>

                                                         UNREALIZED         UNREALIZED      NET UNREALIZED
                                                        APPRECIATION       DEPRECIATION      APPRECIATION      COST OF SECURITIES
                                                        ------------       ------------     --------------     ------------------
<S>                                                        <C>               <C>                <C>                <C>
International Small Capitalization Series . . . .          $584,113          $(542,665)         $41,448            $11,948,121
</TABLE>

NOTE 4.  SECURITY PURCHASES AND SALES.  For the period ended March 31, 1997 
         (excluding short-term securities and foreign currency): 

<TABLE>
<CAPTION>
                                                                        PURCHASES OF PORTFOLIO        SALES OF PORTFOLIO SECURITIES
                                                                              SECURITIES                                           
                                                                        ----------------------        -----------------------------
<S>                                                                            <C>                              <C>
International Small Capitalization Series . . . . . . . . . . . .              $12,345,957                      $411,026
</TABLE>

 NOTE 5.  PRINCIPAL SHAREHOLDERS. Fund shareholders who each held in excess of 
          10% of the Fund's shares outstanding at March 31, 1997 held the 
          following aggregate percentages of the Fund's shares:


    FUND                                                   % OF FUND'S SHARES
    ----                                                   ------------------
    International Small Capitalization . . . . . . . .             90%
<PAGE>

BARR ROSENBERG SERIES TRUST
THE INTERNATIONAL SMALL CAPITALIZATION FUND
NOTES TO FINANCIAL STATEMENTS (UNAUDITED) (CONTINUED)
MARCH  31, 1997
- --------------------------------------------------------------------------------




 NOTE 6.  TRUSTEE FEES. The unaffiliated Trustees each receive an annual
Trustee's fee of $23,000 plus a $2,500 meeting fee for each Trustee meeting
attended . 

 NOTE 7.  SALES AND REDEMPTIONS OF SHARES. The Fund charges a purchase premium
equal to .50% of the net asset value of the Fund's shares purchased. The premium
on redemptions is .50% of the Fund's shares redeemed. All purchase and
redemption premiums are paid to and retained by the Fund. For the period ended
March 31, 1997, purchase premiums and redemption premiums retained by the Fund
were approximately $64,940 and $1,832, respectively. Purchase premiums are added
to proceeds from shares sold and redemption premiums are netted against cost of
shares redeemed for financial statement presentation purposes. Purchase and
redemption premiums are not charged on in-kind transactions and reinvested
distributions or dividends. 




- --------------------------------------------------------------------------------
<PAGE>
   
                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                             COST           VALUE
- ------                                             ----           -----

         COMMON STOCK - 
         AUSTRALIA - 

<S>      <C>                                     <C>            <C>    
  8,000  Adelaide Brighton Ltd                    10,801         11,287
  1,000  Atkins Carlyle Ltd                        2,994          3,253
 10,500  Australian Oil & Gas                     14,648         17,450
  1,100  AWA Limited                                 822            767
  8,200  Bougainville Copper Ltd                   2,881          3,857
 12,894  Bridgestone Austr.                       34,464         34,366
  6,090  Consolidated Rutile Ltd                   6,690          4,869
  3,400  Country Road Ltd                          5,043          4,424
    900  Defiance Mills Limited                    1,399          1,305
  2,400  Faulding (FH) & Co                       17,143         14,110
  1,300  Finemore Holdings                         3,008          3,251
  4,268  George Weston Foods Ltd                  28,294         25,929
 16,200  Hardie (James) Indus Ltd.                43,227         49,197
    600  Leighton Holdings Limited                 2,640          2,512
 10,500  Metal Manufactures Ltd                   25,394         26,010
  5,800  Mount Leyshon Gold Mines Ltd             13,244          9,548
 11,400  Normandy Mining Ltd                      15,882         15,469
  4,100  OPSM Protector Ltd                        9,603          9,481
 51,600  Orbital Engine Corp Ltd                  41,617         40,854
  3,900  Pacific Magazines & Printing Ltd         10,212          9,783
  1,200  Reece Australia Ltd                       6,761          7,714
  1,400  RGC Limited                               5,643          5,301
    600  Rothmans Holdings Ltd                     4,056          3,908
  5,100  Spicers Paper Ltd                         9,347          8,595
  1,000  Sunraysia Television Ltd                  6,284          6,663
    800  Telecast North Queensland                 3,235          3,230
    700  Villa World Ltd                             638            610
- -------                                          -------        -------
174,952                                          325,970        323,743
- -------                                          -------        -------


         BELGIUM - 

   20    BQE Natl Belgique                        27,719         31,317
  590    Cobepa Cie BelgeParibas                  20,582         22,412
  230    Colruyt SA                               94,072         94,040
  130    D'ieteren trading                        21,993         24,315
2,240    Gib                                      98,445        102,629
  150    Glaverbel                                16,185         18,921
  150    Sofina                                   86,299         93,083
- ------                                           -------        -------
3,510                                            365,295        386,717
- ------                                           -------        -------

         CANADA - 

 1,500   Acklands Limited                         19,035         18,458
   400   Agra Inc.                                 3,135          3,721
   900   Agrium Inc.                              12,538         11,401
   700   Alliance Forest Prod Inc.                12,235         14,314
   200   Avenor Inc.                               3,205          3,257
   600   BC Gas                                    8,143          9,229
   800   BC Sugar Refinery Ltd  Class A            6,678          7,615
   500   Bruncor Inc.                             10,583         10,822
   300   Cabre Exploration                         4,593          4,452

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>
SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                     <S>            <C>    
 2,800   Cambell Resources                         3,062          2,229
 1,700   Cambior Inc.                             23,821         23,073
 4,100   Cascades, Inc.                           25,353         23,742
 1,500   CCL  Inds. Inc.                          17,260         16,232
   400   Chieftain Intl Inc.                       8,912          8,006
 1,700   C-MAC Industries Inc.                    15,242         14,582
   400   Coca-Cola Beverages                       4,115          4,025
   800   Cognos Inc.                              21,372         21,136
   900   Counsel Corp                              9,302         11,726
 3,700   Dominion Textile Inc.                    18,010         17,676
   100   Dundee Bancorp Inc.                       1,539          1,954
 8,200   Encal Energy                             25,058         23,742
   400   Ensign Resource Svc                       4,150          7,383
   700   Euro-Nevada Mining Corp                  20,695         20,268
 1,100   Fahnestock Viner Hld  Class A            17,142         18,473
   500   Fortis Inc.                              11,760         11,419
   100   Franco Nev Mng Ltd                        4,027          4,633
   500   Intrawest Corp                            6,591          8,324
  500    Jannock Ltd                               5,484          7,600
 1,600   Laurentian Bank of Canada                23,823         23,742
 1,400   London Insurance                         19,160         19,254
   700   Maritime Telegram & Telephone Co Ltd     11,617         11,679
 1,800   Metall Mining Corp                       12,171         10,424
 1,400   Miramar Mining Corp                       6,429          5,878
 2,700   Molson Companies Ltd                     46,273         44,756
   400   National Trustco Inc.                     7,086          6,659
   500   Newtel Enterprises                        9,002           8,75
   200   Newtel Enterprises Ltd                    3,375          3,503
   300   Pacific Forest Prods                      3,606          5,277
   900   Penn West Petroleum Ltd                   7,676          9,772
 1,400   Poco Petroleum Ltd                       12,502         12,971
   500   Precision Drilling                       17,380         21,136
   700   Quebec-Telephone                         12,178         12,009
 1,800   Ranger Oil Ltd                           17,068         17,003
 6,800   Royal Oak Mines Inc.                     21,402         21,412
 1,200   Shaw Communications Inc. Class B         20,582         22,584
   300   SNC Group Inc.                            2,928          3,475
 1,000   Southam Inc.                             12,875         14,296
   800   St Laurent Paper Board Inc.              12,968         10,945
 2,965   Stampeder Expl  Ltd                      13,987         14,487
 9,000   Stelco Inc.                              48,783         48,208
   800   Stone Consld. Corp                        8,891         11,611
   600   Teleglobe Inc.                           12,867         17,416
   400   Torstar Corp  CL  B                       9,635         10,568
   400   Trimark Finl Corp                        10,245         11,727
   500   Ulster Petroleum Ltd                      3,381          3,583
 2,000   United Dominion Inds Ltd                 52,098         49,005
   600   Videotron Groupe LTEE                     4,833          4,995
   200   West Fraser Timber Co Ltd                 6,696          6,007
- -------                                          -------        -------
79,865                                           774,557        792,633
- ------                                           -------        -------

         DENMARK

         Aalborg Portland                         31,620         37,996
  600    Jyske Bank-Reg                           47,514         47,956
  400    Korn-OG Foderstofkom                     16,878         14,664

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                     <S>     <C>    
  400    luritzen (J) Hldg                        44,497         45,942
1,300    Monberg & Thorsen as                     60,907         61,360
  500    Potague B                                69,312         70,800
1,500    Tele Danmark A/S B                       81,787         78,824
  300    Topdanmark as                            35,572         36,816
- -----                                            -------        -------
5,000                                            388,087        394,358
- -----                                            -------        -------

         FINLAND - 

   500   Asko Oy-A                                28,569         44,924
 4,200   Finair Oy                                30,354         31,291
 7,400   Kemira Oy                                84,499         80,084
 4,200   Kesko                                    63,013         61,480
 3,100   Mesta Serla B Shares                     20,422         22,533
- ------                                           -------        -------
19,400                                           226,857        240,312
- ------                                           -------        -------

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                     <S>     <C>    
         FRANCE - 

  375    Bains De Mer Monaco                      36,253         38,310
  710    Bis SA                                   63,859         62,693
  120    Bongrain SA                              49,034         47,629
1,250    Cie Des Signaux SA                       58,002         66,847
   10    Cie Generale De Geophysique                 665            900
  450    Compagnie Fives-Lillie                   39,238         42,693
  213    Concorde (LA)                            35,908         35,610
  220    De Dietrich Et Compagnie                  7,531         10,632
  550    DMC Dollfus-Mieg                         12,956         14,364
   34    ECIA-Equip & Composa Pour                 4,283          5,805
  175    Elf Gabon                                44,487         54,939
  175    Europe 1 Communication                   38,656         38,150
   23    Esxacompta Clairef                        5,540          4,487
  100    Gascogne                                  8,414          8,883
  200    GTM Entrepose                             8,930         10,980
   42    Manitou                                   4,354          5,686
  788    Publicis                                 78,941         82,881
  276    Salins Du Midi &Des Salines              23,371         30,108
   40    Sat (Sa De Telecomm)                     12,968         13,069
1,732    Seita                                    67,467         62,529
         Sligos Sa                                 2,088          3,287
   25    Societe Financiere Interbail SA           4,502          4,300
   66    Taittinger                               18,734         26,267
- -----                                            -------        -------
7,574                                            626,181        671,049
- -----                                            -------        -------

         GERMANY - 

   40    *Aachener & Meunch Lebensvers            16,168         20,379
  220    Andreae-Noris Zahn AG                    80,887         81,755
  270    Baywa AG                                 41,108         46,850
   60    Binding Brauerei                         22,248         17,082
  210    DBV Holding AG                           71,497         75,396
  300    Fag Kugelfisher                           3,927          4,855
  290    Holsten Brauerei AG                      62,521         57,360
   30    Koelnisch Rueckversicherungs             23,209         23,376
  250    Oberland Glas AG                         47,797         46,452
  310    Rheinmetall Berlin                       46,088         58,901
  460    Ruetgers AG                              70,726         79,130
  330    Schmalbach Lubeca                        69,610         69,624
  190    Strabag AG                               12,394         19,246
   80    Volksfursorge Hldg                       28,141         31,263
  217    Walter Bau AG(WTB)                       38,202         38,889
- -----                                            -------        -------
3,257                                            634,523        670,558
- -----                                            -------        -------

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                     <S>     <C>    
    HONG KONG -

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                     <S>     <C>    

 10,000  Associated Intl Hotels                    8,103          6,581
 36,000  CDL Hotels Intl                          19,194         17,770
 36,000  Chimney Investment                        9,078          7,712
    720  Concord Land Dev Co Ltd                     324            453
  2,000  Harbour Centr Dev                         2,779          2,826
  9,600  HKR  Intl Ltd                            12,379         12,698
  8,000  Jardine Intl Motor                        9,818          9,911
 20,000  Lai Sun Garmt Intl                       28,705         25,552
  6,000  Lane Crawford Intl                        9,995          8,595
 68,000  Laws Intl Holdings Ltd                   10,315         10,179
 10,000  Lee Hing Develop                          3,831          3,871
 50,000  Mingly Corporation                       18,637         16,454
  6,000  New Asia Realty & Trust Co               24,776         21,835
 36,000  Pacific Concord HD                       10,554         16,144
 20,000  Playmates Toy Hldg                        4,585          4,594
  4,000  Pokfulam Dev Co                           3,013          2,917
 22,000  Prestige Prop Hldg                        3,577          4,401
  6,000  Realty Development Corp                  23,684         22,261
 10,000  Wing Lung Bank Ltd                       70,191         68,719
 28,000  Wing On Co Intl Ltd                      32,231         31,436
118,000  Yue Yuen Industrial Holdings             46,684         48,729
- -------                                          -------        -------
506,320                                          352,453        343,638
- -------                                          -------        -------

         ITALY - 

  7,000  BCA Di Legnano                           25,170         25,890
 16,360  Comau Finanziaria Spa                    44,800         51,485
 10,000  costa Crociere Spa                       12,954         22,778
 15,000  Editoriale L'Espresso Spa                38,138         51,656
500,000  Ericsson Spa                              6,379          7,088
 89,000  Finmeccanica Spa                         38,009         40,279
 10,000  Serfi                                    53,828         56,287
 20,000  Snia BPD                                 17,052         20,860
 10,000  Toro Assicurazioni                      121,118        119,886
- -------                                          -------        -------
677,360                                          357,448        396,209
- -------                                          -------        -------

         JAPAN - 

4,000    Aichi Machine Industries Co Ltd          26,295         20,677
3,000    Aida Engineering Ltd                     22,293         18,440
4,000    Amada Sonoike Co Ltd                     19,806         15,669
3,000    Aseed Co Ltd                             18,552         16,477
2,000    Asia Airy Survey Co                      18,570         15,653
2,000    Asti Corporation                         16,333         11,792
1,100    Bank of Iwate Ltd                        47,649         50,642
3,000    Bunka Shutter Co Ltd                     20,271         15,411
1,000    Cemedine co Ltd                           4,772          3,594
3,000    Central Glass Co                         10,467          7,754
5,000    Chain Store Okuwa                        29,437         21,485
5,000    Chubu Steel Plate                        26,509         25,402
3,000    Chuetsu Pulp & Paper                     14,943          9,450
2,000    Chuo Bussan Corp                          9,094          8,238
1,000    CMK Corporation                          10,606          9,854
2,000    Coco's Japan Co Lt                       19,834         13,165
3,000    Computer Engineer & Consulting           18,708  20,111

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                     <S>     <C>    

 2,000   Comson Corp                               5,618          2,504
12,000   Dai-Ichi Katei Denki Co Ltd              29,196         26,460
 5,000   Daido Hoxan Inc                          24,288         18,213
   375   Daiichi Kosho Co Limited                 13,018         12,661
 2,000   Daiichi Kyoken Co                        17,187          7,932
         Daiki Aluminum Ind                        8,484          4,862
 2,000   Daishinku Corp                           19,565         14,425
 3,000   Daisyo                                   24,772         21,808
 2,000   Denkyosha Co                             18,326         12,680
 2,000   Descente Limited                         13,087          9,692
 3,000   Eiden Sakakiya Co Ltd                    24,991         22,680
 2,000   Enix Corp                                50,340         37,154
 1,000   Exedy Corporation                        11,327         10,500
   100   Ezaki Glico Co Ltd                          844            771
 7,000   First Credit                             31,725         29,343
 2,300   Fuji Co Ltd                              14,506          9,660
 1,000   Fujicco Co                               11,025         11,308
 2,000   Fujitsu Kiden                            18,394         18,254
 2,000   Fukuda Denshi                            37,155         38,769
 2,000   Furuno Electric Co                       13,103          8,400
 2,000   Godo Steel Ltd                           12,588          5,783
 2,000   Hamada Printing Press Co                 12,909          9,369
 2,200   Haruyma Trading Co                       27,975         17,591
 2,000   Higashi Nihon House                      21,305         20,515
 2,000   Hitachi Information Systems              20,284         18,254
 2,000   Hitachi Plant Eng.                       13,608          8,562
 3,000   Hokkai Can Co                            14,357         13,448
 3,000   Hosoda Corporation                       26,372         21,323
 2,000   Hotel New Hankyu                          9,693          7,269
 3,000   Ichiyoshi Securities                     15,700          8,481
 2,000   Intec Inc                                29,915         20,354
 9,000   Ishizuka Glass Co                        33,241         26,169
 3,000   Isikawajima Constr.                      30,596         14,054
 1,000   Japan Industrial Land Development        10,541         10,904
 1,000   Jois Co Ltd                              11,885          8,028
 5,000   Joel Veriteohkubo                        28,439         25,685
 3,000   Kaneko Seeds Co Ltd                      29,701         25,685
 2,000   Kansei Corp                              16,431         14,231
 3,000   Kanseki Co Ltd                           11,172         10,177
 3,000   Kasumi Co Ltd                            22,126         17,664
 3,000   Kato Works Co Ltd                        18,454         11,025
 3,000   Kawasho Corp                             11,847          8,578
 7,000   Kimmon Mfg Co Ltd                        33,868         23,690
 7,000   King Co Ltd                              26,589         26,008
 2,000   Konishi Co Ltd                           33,861         32,954
 2,000   Kotobukiya Co Ltd                         7,309          7,722
 1,000   Kyowa Exeo Corporation                    7,755          7,471
 2,000   Laox Co Ltd                              26,437         24,231
 2,000   Life Corp                                17,997         12,600
 1,000   Maeda Seisakusho Co                       8,219          7,229
 2,000   Matsumura-Sumi Corp                      10,002          5,573
 3,000   Matsuyadenki co Ltd                      27,623         22,050
 2,000   Metalart Corp                             7,389           4,92
 8,000   Mikuni Corp                              33,112         25,975
 6,000   Mitani Sekisan                           22,478         20,838
 2,000   Mitsuba Electric Mfg Co                  19,182         18,577

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                      <S>     <C>   
1,000    Mitsumi Electric Co                      18,145         18,335
1,000    Moriya Corp                               7,079          4,701
3,000    Nagasakiya Co Ltd                        14,098          6,978
2,000    Nakamichi Leasing Co                     15,273         11,146
4,000    Nakayama Steel Works Ltd                 21,908         15,831
3,000    Nettetsu Mining Co Ltd                   24,394         17,688
3,000    Nichiei Construction Co Ltd              24,453         17,349
2,000    Nifco Inc.                               20,110         17,285
2,000    Nihon Elect. Wire & Cable                15,409         14,538
5,000    Nippon Chemi-Con Corp                    28,584         21,606
9,000    Nippon Columbia Co Ltd                   40,398         31,984
2,100    Nippon Denwa Shisetsu                    15,747          14,57
3,000    Nippon Konpo Unyu Soko                   21,849         16,961
3,000    Nippon Shinyaku co Ltd                   26,149         22,413
1,000    Nissei Plastic Industrial Co             10,742          9,046
2,000    Nissho Corporation                       20,283         16,638
  100    Nissin Company Limited                    1,827          1,898
2,000    Ohmoto Gumi Co Ltd                       30,718         18,738
1,000    Okamoto Machine Tool Works                2,527          2,504
2,000    Osaka Organic Chemical Industries        20,717         17,769
3,000    Recruit Cosmos Co                        22,818         13,327
3,000    Riken Keiki Co Ltd                       18,129         15,992
2,000    Royal Hotel Ltd                          16,090         10,177
3,000    Sakai Chemical Industry Co               11,333         10,710
3,000    Sankyo Seiki Mfg                         12,655         15,047
5,000    Sanoyas Hishino Meisho Corp              24,814         25,886
2,000    Sawai Pharmaceutical Co Ltd              14,077         13,731
4,000    Seibu Electric & Machinery               15,275         14,151
3,000    Senko Corporation Inc.                   10,728         11,606
3,000    Shibusawa Warehouse                      16,442         12,067
2,000    Shin Nikkei Co Ltd                       13,024          6,058
2,000    shindengen Electric Mfg                  15,762         16,477
2,000    Shingakukai co                           15,457         10,177
8,000    Shinko Kogyo Co Ltd                      40,583         33,148
2,000    Showa Manufacturing                      14,044         10,015
3,000    Sintokogio                               19,221         19,166
1,000    Sodick Co Ltd                             9,271          8,400
2,000    Software Research Assoc.                 23,658         15,346
3,000    Sogo Co Ltd                              13,031          8,457
1,000    Sotetsu Rosen Co Ltd                      8,101          6,300
2,000    Starts Corporation                       25,585         18,900
4,000    Sumitomo Precision Products              24,431         22,745
4,000    Sumitomo Warehouse                       20,080         20,031
2,000    Sumitomo Wiring Systems                  20,197         16,961
2,000    Sun Wave Corp                            23,999         16,800
3,000    Taisei Fire & Marine                     14,916          9,934
3,000    Taki Chemical Co                         17,821         10,637
2,000    Tamron Co Ltd                            13,953          9,773
4,000    Tamura Corp                              19,212         17,769
1,000    Tamura Electric Work                      8,918          4,289
1,500    Techmo Ltd                               19,255         19,869
3,000    Tenox Corporation                        22,176         19,021
2,000    The Biwako Bank Ltd                       9,695          7,754
7,000    Titan Kogyo K.K.                         25,836         22,050
3,000    Toa Corp                                 23,461         15,629
4,000    Toho Store Co. Ltd                       30,997        28,108 

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                   <S>      <C>      
  1,000  Toko Electric Corp                        5,854          3,958
  3,000  Toko Inc                                 16,852         13,327
  2,000  Tokyo Printing Ink Mfg                   11,662          8,028
  3,000  Tokyo Radiator Mfg                       11,680         10,419
  3,000  Tokyo Rika Mfg                           13,756          8,602
  3,000  Tokyu Store Chain                        22,514         19,481
  1,000  Tomiya Apparel                            4,645          3,917
  2,000  Towa Pharmaceutical                      35,428         22,292
  3,000  Toyo Engineering Works                   13,107         12,866
  1,000  Toyo Information Systems                  8,671          7,996
  3,000  Toyo Tire & Rubber                       12,350          8,941
  2,000  Toyokuni Electric Cable                  12,346         13,085
  2,000  Toyota Auto Body Co                      21,360         17,769
  2,000  Traveler Corp                            23,656         15,104
  2,000  Tsurukame Corp                           10,879          6,542
  2,000  Tsurumi Soda Co Ltd                      11,632          8,658
  2,000  Tsutsunaka Plastic Industry              10,476         10,048
  5,000  U-Shin Ltd                               30,285         25,846
  1,000  USK Corporation                          11,001          8,642
  2,000  Wakita & Co                              26,840         21,485
  1,600  Wesco Inc.                               11,541         13,569
  2,000  Yamaka Electronic Inc.                   26,924         16,961
  5,000  Yuasa Funashoku Co Ltd                   16,377         15,588
  1,000  Zojirushi Corp                           11,554          9,289
- -------                                        ---------      ---------
418,375                                        2,848,895      2,301,783
- -------                                        ---------      ---------

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                    <S>      <C>    

         MALAYSIA - 

 24,000  Amsteel Corporation BHD                  18,474         20,522
  6,000  Antah Hldgs BHD                           8,088          9,487
  4,000  Austral Amalg Tin                         6,685          6,550
  4,000  Austral Enterprise                        7,893          8,309
  5,000  Batu Kawan Berhard                       10,851         11,697
 24,000  Berjaya Industrial                       28,474         34,655
 20,000  Berjaya Leisure BH                       37,522         56,468
  4,000  Cement Industries Of Malaysia            12,825         12,746
  5,000  Cold Storage (Malay) BHD                  7,969          9,519
 10,000  Esso Malaysia BHD                        27,954         27,427
 22,000  Faber Group Berhad                       25,532         23,337
 18,000  Far East Holdings Berhad                 29,796         29,621
  4,000  Gadek (Malaysia) Berhad                  32,509         30,654
  3,000  IOI Properties                            9,726          9,922
 11,000  Island & Penisular Berhad                39,364         40,374
 12,000  Keck Seng (Malaysia) BHD                 17,242         16,843
  5,000  Kelang Contr Terml                       12,308         13,209
  5,000  Kinta Kellas Plc.                         6,448          6,413
 16,000  Kuala Sidim Berhad                       39,338         38,721
  3,000  Leisure Management Berhad                 9,199         15,004
 36,000  Lion Land Berhad                         40,178         40,076
 32,000  Malayan Cement BHD                       69,459         65,825
 16,000  Malayan United Indus BH                  12,389         12,584
 13,000  Malaysian Helicopter Services            16,183         16,255
  1,000  Malaysian Pacific Industries              3,692          4,033
  4,000  Malaysian Plantation                      4,841          8,067
  1,000  Matsushita Elec Co                       10,006          9,720
  5,000  MBF Capital Berhad                        7,137          8,833
 13,000  Multi-Purpose Hldg                       22,296         27,266
  8,000  Mycom BHD                                 9,937         10,584
  9,000  New Straits Times Press Berhad           51,555         55,177
  3,000  Olympia Industries                        2,468          3,037
  4,200  Oriental Hldgs BHD                       23,943         37,946
  3,000  Paramount Corp Berhad                     3,553          3,727
 11,000  Pelangi Berhad                           13,002         13,576
  4,000  Sapura Telecom                            6,794          7,583
 10,000  Sarawak Enterprise Corp                  17,191         16,537
  9,000  Sime UEP Properties Berhad               22,864         21,236
  8,000  Sistem Televisyen                        16,280         16,779
 12,000  TA Enterprise Berhad                     17,518         15,875
 11,000  Tan Chong Motor BHD                      19,930         21,296
  5,000  Uniphone Telecommunications               6,254          6,413
 12,000  United Plantation Berhad                 27,181         26,863
- -------                                          -------        -------
435,200                                          812,848        870,766
- -------                                          -------        -------

         NETHERLANDS -

1,640    Apotheker Cooperatie OPG-CV              47,673         50,272
180      Cap Volmac Group                          4,262          6,525
1,180    Gist-Brocade-CVA                         35,641         38,625
990      Konin Bijenkorf Beh                      68,728         74,680
1,700    Koninklijke Hoogoven CVA                 64,427         84,103

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                     <S>     <C>    
 1,260   NKF Holdings NV                          40,473         32,780
 2,250   Stork NV                                 83,472         97,158
 3,330   VIB NV                                   90,000         92,845
   70    Megener NV                                7,039          7,016
 1,460   Wereldhave NV                            90,377         89,275
- ------                                           -------        -------
14,060                                           532,092        573,279
- ------                                           -------        -------

         NORWAY

2,200    Aker ASA - A Shares                      45,359         59,019
1,900    Norske Skogindustrie ASA                 52,583         58,890
- -----                                             ------        -------
4,100                                             97,942        117,909
- -----                                             ------        -------

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                     <S>     <C>    

         NEW ZEALAND -

29,000   DB Group Limited                         20,688         19,545
 1,400   Independent News LT                       5,544          6,439
- ------                                            ------         ------
30,400                                            26,232         25,984
- ------                                            ------         ------

         SINGAPORE -

  2,000  Auric Pacific Group                       2,934          3,280
 12,000  Chuan Hup Holdings                        7,992          8,303
  2,000  Focal Finance Ltd                         3,679          3,736
  5,000  GP Batteries Intl Ltd                    14,291         13,950
  6,000  Hong Leong Finance                       21,175         20,176
  4,000  HWA Hong Corporation                      5,618          6,642
  6,000  Intraco Ltd                               9,365          8,427
  8,000  Isetan (Singapore)                       16,829         15,499
 26,000  Malayan Credit Ltd                       44,958         44,074
  9,000  Resources Develop Corp                   27,827         25,531
  9,000  Singapore Business Svc                   49,520         47,949
  5,000  Singapore Reinsurance                     6,090          5,812
  6,000  Singapore Tech Aero                       7,996          9,548
 14,000  Singapore Tech Ind.                      33,300         34,290
  8,000  ST Computer Sys & Service                 5,877          5,701
  2,000  UTD Industrial CP                         1,769          1,619
 12,000  WBL Corp Ltd                             30,059         29,060
- -------                                          -------        -------
136,000                                          289,279        283,597
- -------                                          -------        -------

         SPAIN -

 4,000   Asturiana De Zinc SA                     51,802         51,915
 3,000   Banco Pastor SA                         174,168        171,404
 5,000   Ebro Agricolas CIA                       72,600         94,166
 1,200   OCP Construcciones SA                    36,550         38,217
10,000   Sarrio SA                                32,582         35,551
- ------                                           -------        -------
23,200                                           367,702        391,253
- ------                                           -------        -------

         SWEDEN

10,500   Avesta-Sheffield                        108,576        113,590
 2,700   Bergman & Beving AB-                     88,947         84,222
   600   Cardo AB                                 13,865         19,393
 4,500   Celsius AB- B Shares                     63,895         86,312
 1,800   Esselte AB - A Shares                    40,162         42,768
 2,000   Marieberg Tidnings AB- A Shares          53,583         54,687
 5,900   NCC AB- A Shares                         70,810         78,315
   800   Ratos Forvaltnin AB                      21,975         31,538
 5,400   SKF AB                                  130,538        141,922
   400   SSAB                                      6,495          7,274
 1,800   Svedala Insustries                       31,108         35,122
- ------                                           -------        -------
36,400                                           629,954        695,143
- ------                                           -------        -------

         SWITZERLAND -

 90      Ascom Hldg AG                            95,955         96,272
150      Basler Kantonalek-PC                     38,241         38,317

</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST         VALUE
- ------                                              ----         -----
<S>      <C>                                     <S>            <C> 
   50    Bucher Holding AG-B                      37,720         42,691
  100    Logitech Intl                            10,367         19,020
  780    Oerlikon-Buhrle HD                       79,254         78,374
   80    Publicitas Holdings                      13,499         14,411
   90    Schindler-Hldg AG                        91,559        104,956
  140    Sibra Holding SA                         27,853         28,183
  120    Swissair -Registered                    104,982        106,955
  200    Valora Holding AG                        38,268         43,732
- -----                                            -------        -------
1,800                                            537,698        572,911
- -----                                            -------        -------

         UNITED KINGDOM -

 6,000   600 Group PLC                            19,486         12,709
63,000   Aegis Group PLC                          63,273         64,654
34,000   AMEC                                     56,184         77,880
 3,000   Anglican Group                           10,081         11,995
58,000   APV PLC                                  68,754         63,332
71,000   Bardon Group PLC                         38,316         47,216
25,000   Bibby (J) & Sons PLC                     53,646         77,584
16,000   Bladgen Industries                       51,219         50,574
12,000   Bullough PLC                             14,753         22,463
28,000   C.E. Health PLC                          36,958         46,666
 3,000   Cape                                      7,441          8,251
30,000   Cloride Group PLC                        16,724         17,241
17,000   Concentric PLC                           44,865         39,359
38,000   Cordiant PLC                             65,580         77,059
14,000   Dawson International                     13,824         15,402
 7,000   Eis Group PLC                            41,344         40,344
12,000   Exco                                     12,178         11,724
13,000   George Wimpey PLC                        27,852         30,952
16,000   Grampian Holdings                        32,677         32,446
22,000   Haden Maclellan HD                       38,509         44,974
 3,000   Hambros                                  12,320         11,699
14,000   Hogg Robinson PLC                        50,246         45,172
21,000   Howden Group PLC                         24,551         44,309
30,000   Iceland Group PLC                        41,626         46,058
14,000   Jardine Lloyd Thompson Group             46,381         44,482
10,000   Johnson Group Cleaners PLC               47,906         47,618
 3,000   Lex Service PLC                          17,489         16,576
11,000   London & Manchester Grp PLC              72,270         75,318
 3,000   London Forfaiting Co.                    13,936         18,669
45,000   London Merchant Securities PLC           77,829         84,604
 7,000   London Pacific Group Ltd                 26,262         25,229
 4,000   Macro 4 PLC                              32,003         26,600
 4,000   Manders PLC                              13,116         11,264
 6,000   Marley                                   12,981         12,414
14,000   Marston Thomp & Evr                      59,671         59,259
22,000   Mathews(Berhard) PLC                     46,289         46,239
 3,000   Micro Focus Group                        41,842         61,698
28,000   Mowlem (John) & Co PLC                   50,920         52,872
10,000   National Home LNS                        21,502         25,697
 3,000   Nestor-BNA PLC                            5,312          6,527
42,000   Pentland Group PLC                       66,275         77,929
 4,000   Perkins Foods PLC                         5,329          5,517
 2,000   Portsmith & SundNew                      23,173         27,257
26,000   Premier Oil PLC                          11,701         15,156
</TABLE>

<PAGE>
   

                 ROSENBERG  INTERNATIONAL  SMALL CAPITALIZATION FUND
                               PORTFOLIO OF INVESTMENTS
                                    MARCH 31, 1997
                                      (unaudited)
    

<TABLE>
<CAPTION>

SHARES                                              COST           VALUE
- ------                                              ----           -----
<S>      <C>                                   <S>      <C>      
 59,000  Readicut International PLC               41,387         37,056
  3,000  Scholl PLC                               12,597         15,468
  4,000  Sema Group PLC                           51,150         90,310
 25,000  TC Group PLC                             48,414         48,234
  9,000  Wagon Indl Hldgs                         46,418         42,265
  2,000  Wolverhampton & Dudley Breweries PLC     19,548         21,970
919,000                                        1,754,108      1,936,291




    TOTAL INVESTMENTS -               98.82%     $11,948,121        $11,989,570
                                                  -----------        -----------
                                                  -----------        -----------

    CASH AND OTHER ASSETS
    IN EXCESS OF LIABILITIES -         1.18%                          1,046,604
                                                                     -----------

    TOTAL NET ASSETS -               100.00%                        $13,036,174
                                                                     -----------
                                                                     -----------
</TABLE>
<PAGE>


                                        PART C

                                  OTHER INFORMATION

Item 24. FINANCIAL STATEMENTS AND EXHIBITS.

         (a)  Financial Statements.



         See "Financial Highlights" in the Prospectus.


         See "Financial Statements" in the Statement of Additional Information


         (b)  Exhibits:


              1.    Agreement and Declaration of Trust of the Registrant, 
                    dated April 1, 1988, incorporated by reference to the 
                    Trust's original Registration Statement on Form N-1A (the 
                    "Registration Statement") filed on May 5, 1988;


              1.1   Amendment No. 1 to Agreement and Declaration of Trust, 
                    dated April 28, 1988, incorporated by reference to the 
                    Trust's original Registration Statement filed on May 5, 
                    1988;


              1.2   Amendment No. 2 to Agreement and Declaration of Trust, 
                    incorporated by reference to dated October 27, 1988,
                    incorporated by reference to Post-Effective Amendment
                    No. 1 to the Registration Statement filed on October 
                    28, 1988;

   
              1.3   Amendment No. 3 to Agreement and Declaration of Trust, 
                    incorporated by reference to Post-Effective Amendment No. 6
                    to the Registration Statement filed on December 11, 1991;
    
   
              1.4   Form of First Amended and Restated Agreement and 
                    Declaration of Trust of the Registrant, dated as of 
                    August __, 1996, incorporated by reference to 
                    Post-Effective Amendment No. 12 filed on August 5, 1996.
    

              2.    By-Laws of the Registrant incorporated by reference to the
                    Trust's original Registration Statement (the "Registration
                    Statement") filed on May 5, 1988;



              3.    None;


   
              4.    Specimen Share Certificates for Institutional shares,
                    Adviser shares and Select shares of the U.S. Small
                    Capitalization Series, the International Small
                    Capitalization Series and the Japan Series, incorporated 
                    by reference to Post-Effective Amendment No. 12 filed on 
                    August 5, 1996;
    


              5.1.  Form of Contract between the Registrant on behalf of
                    its U.S. Small Capitalization Series and Rosenberg
                    Institutional Equity Management incorporated by
                    reference to Post-Effective Ammendment No. 11 to the
                    Registration Statement filed on May 22, 1996;




              5.2.  Form of Management Contract between the Registrant on 
                    behalf of its Japan Series and Rosenberg Institutional 
                    Equity Management incorporated by reference to Post-
                    Effective Amendment No. 11 to the Registration
                    Statement filed on May 22, 1996;




              5.3.  Form of Management Contract between the Registrant on
                    behalf of its International Small Capitalization Series
                    and Rosenberg Institutional Equity Management incorporated
                    by reference to Post-Effective Amendment No. 11 to the
                    Registration Statement filed on May 22, 1996;



              5.4.  Form of Management Contract between the Registrant on
                    behalf of its United States Equity Series and Rosenberg
                    Institutional Equity Management incorporated by reference
                    to Post-Effective Amendment No. 6 to the Registration
                    Statement filed on December 11, 1991;


   
              6.    Distributor's Contract between the Registrant and
                    Barr Rosenberg Funds Distributor, Inc. relating to the
                    Registrant's Select shares and Adviser shares -- to be
                    filed by amendment;
    


              7.    None;



              8.1.  Form of Custody Agreement between the Registrant on behalf
                    of its Small Capitalization Series (renamed U.S. Small
                    Capitalization Series) and State Street Bank and Trust
                    Company incorporated by reference to Pre-Effective
                    Amendment No. 2 to the Registration Statement filed on
                    August 18, 1988;



                                         -1-

<PAGE>

              8.2.  Form of Custody Agreement between the Registrant on behalf
                    of its Japan Series and State Street Bank and Trust
                    Company incorporated by reference to Post-Effective
                    Amendment No. 2 to the Registration Statement filed on
                    January 4, 1989;

   
              8.3.  Amendment No.1 to the Custodian Contract between the 
                    Registrant on behalf of its Japan Series and State Street 
                    Bank and Trust Company -- to be filed by amendment;
    
   
              9.    (a) Transfer Agency Agreement between the Registant and 
                        BISYS Fund Services, Inc -- to be filed by amendment.


                    (b) Form of Notification of Expense Limitation by
                        Rosenberg Institutional Equity Management to the
                        Japan Series, U.S.  Small Capitalization Series
                        and International Small Capitalization Series, 
                        incorporated by reference to Post-Effective Amendment 
                        No. 12 filed on August 5, 1996;


                    (c) Fund Administration Agreement between
                        Registrant and BISYS Fund Services Limited 
                        Partnership -- to be filed by amendment;


                    (d) Fund Accounting Agreement between the Registrant and 
                        BISYS Fund Services, Inc. -- to be filed by amendment;
    
   
              10.   Opinion of Ropes & Gray -- to be filed by amendment
    
   
              11.   Consent of Price Waterhouse LLP -- to be filed 
                    by amendment;
    

              12.   None;


              13.   Investment letter regarding initial capital incorporated
                    by reference to Pre-Effective Amendment No. 3 to the
                    Registration Statement filed on September 12, 1988;


              14.   None;

   
              15.   (a) Form of Distribution Plan for Select shares incorporated
                        by reference to Post-Effective Amendment No. 11 to the
                        Registration Statement filed on May 22, 1996;


                    (b) Distributor's Contract between the Registrant and Barr
                        Rosenberg Funds Distributor, Inc. -- to be filed by 
                        amendment;
    
   
              16.   Schedule for Computation of Performance Quotations -- to be
                    filed by amendment;
    
   
              17.   Financial Data Schedule for Registrant's fiscal year ended
                    March 31, 1997 -- to be filed by amendment;
    
              18.   Form of Multi-Class Plan entered into by Registrant 
                    pursuant to Rule 18f-3 under the Investment Company Act of
                    1940 incorporated by

                                         -2-

<PAGE>

                    reference to Post-Effective Amendment No. 11 to the
                    Registration Statement filed on May 22, 1996;


              19.   Powers of Attorney incorporated by reference to Post-
                    Effective Amendment No. 3 to the Registration Statement
                    filed on July 28, 1989 and Post-Effective Amendment No. 4
                    to the Registration Statement filed on July 31, 1990.


Item 25. PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.

         None.

Item 26. NUMBER OF HOLDERS OF SECURITIES.

   
         The following table sets forth the number of holders of each class of
         securities of the Trust as of April 1, 1997:


    TITLE OF CLASS                               NUMBER OF RECORD HOLDERS

    Shares of Beneficial Interest                          
    U.S. Small Capitalization Series

    Select Class                                         218

    Adviser Class                                          3

    Institutional Class                                   23

    Shares of Beneficial Interest
    Japan Series                                           


    Select Class                                           3

    Adviser Class                                          0

    Institutional Class                                    2

    Shares of Beneficial Interest                          0
    United States Equity Series

    Shares of Beneficial Interest                     
    International Small Capitalization Series

    Select Class                                          15

    Adviser Class                                          0

    Institutional Class                                   13
    

                                         -3-

<PAGE>

Item 27. INDEMNIFICATION.

         Article VIII of the Registrant's Agreement and Declaration of Trust
reads as follows (referring to the Registrant as the "Trust"):

                                     ARTICLE VIII
         Indemnification

         SECTION 1.  TRUSTEES, OFFICERS, ETC.  The Trust shall indemnify each
of its Trustees and officers (including persons who serve at the Trust's request
as directors, officers or trustees of another organization in which the Trust
has any interest as a shareholder, creditor or otherwise) (hereinafter referred
to as a "Covered Person") against all liabilities and expenses, including but
not limited to amounts paid in  satisfaction of judgments, in compromise or as
fines and penalties, and counsel fees reasonably incurred by any Covered Person
in connection with the defense or disposition of any action, suit or other
proceeding, whether civil or criminal, before any court or administrative or
legislative body, in which such Covered Person may be or may have been involved
as a party or otherwise or with which such Covered Person may be or may have
been threatened, while in office or thereafter, by reason of being or having
been such a Covered Person except with respect to any matter as to which such
Covered person shall have been finally adjudicated in any such action, suit or
other proceeding to be liable to the Trust or its Shareholders by reason of
wilful misfeasance, bad faith, gross negligence or reckless disregard of the
duties involved in the conduct of such Covered Person's office.  Expenses,
including counsel fees so incurred by any such Covered Person (but excluding
amounts paid in satisfaction of judgments, in compromise or as fines or
penalties), shall be paid from time to time by the Trust in advance of the final
disposition of any such action, suit or proceeding upon receipt of an
undertaking by or on behalf of such Covered Person to repay amounts so paid to
the Trust if it is ultimately determined that indemnification of such expenses
is not authorized under this Article, provided, however, that either (a) such
Covered Person shall have provided appropriate security for such undertaking,
(b) the Trust shall be insured against losses arising from any such advance
payments or (c) either a majority of the disinterested Trustees acting on the
matter (provided that a majority of the disinterested Trustees then in office
act on the matter), or independent legal counsel in a written opinion, shall
have determined, based upon a review of readily available facts (as opposed to a
full trial type inquiry) that there is reason to believe that such Covered
Person will be found entitled to indemnification under this Article.

         SECTION 2.  COMPROMISE PAYMENT.  As to any matter disposed of (whether
by a compromise payment, pursuant to a consent decree or otherwise) without an
adjudication by a court, or by any other body before which the proceeding was
brought, that such Covered Person is liable to the Trust or its Shareholders by
reason of wilful misfeasance, bad faith, gross negligence or reckless disregard
of the duties involved in the conduct of his or her office, indemnification
shall be provided if (a) approved, after notice that it involves such
indemnification, by at least a majority of the disinterested Trustees acting on
the matter (provided that a majority of the disinterested Trustees then in
office act on the matter) upon a determination, based upon a review of readily
available fact (as opposed to a full trial type inquiry) that such Covered
Person is not liable to the Trust or its Shareholders by reason of wilful
misfeasance, bad faith, gross negligence or reckless disregard of the duties
involved in the conduct of his or her office, or (b) there has been obtained an
opinion in writing of independent legal counsel, based upon a review of readily
available facts (as opposed to a full trial type inquiry) to the effect that
such indemnification would not protect such Person against any liability to the
Trust to which he would otherwise be subject by reason of wilful misfeasance,
bad faith, gross negligence or reckless disregard of the duties involved in the
conduct of his office.  Any approval pursuant to this Section shall not prevent
the recovery from any Covered Person of any amount paid to such Covered Person
in accordance with this Section as indemnification if such Covered Person is
subsequently adjudicated by a court of competent


                                         -4-


<PAGE>
jurisdiction to have been liable to the Trust or its Shareholders by reason of
wilful misfeasance, bad faith, gross negligence or reckless disregard of the
duties involved in the conduct of such Covered Person's office.

         SECTION 3.  INDEMNIFICATION NOT EXCLUSIVE.  The right of
indemnification hereby provided shall not be exclusive of or affect any other
rights to which such Covered Person may be entitled.  As used in this Article
VIII, the term "Covered Person" shall include such person's heirs, executors and
administrators and a "disinterested Trustee" is a Trustee who is not an
"interested person" of the Trust as defined in Section 2(a)(19) of the
Investment Company Act of 1940, as amended, (or who has been exempted from being
an "interested person" by any rule, regulation or order of the Commission) and
against whom none of such actions, suits or other proceedings or another action,
suit or other proceeding on the same or similar grounds is then or has been
pending.  Nothing contained in this Article shall affect any rights to
indemnification to which personnel of the Trust, other than Trustees or
officers, and other persons may be entitled by contract or otherwise under law,
nor the power of the Trust to purchase and maintain liability insurance on
behalf of any such person; provided, however, that the Trust shall not purchase
or maintain any such liability insurance in contravention of applicable law,
including without limitation the 1940 Act.

         SECTION 4.  SHAREHOLDERS.  In case any Shareholder or former
Shareholder shall be held to be personally liable solely by reason of his or her
being or having been a Shareholder and not because of his or her acts or
omissions or for some other reason, the Shareholder or former Shareholder (or
his or her heirs, executors, administrators or other legal representatives or in
the case of a corporation or other entity, its corporate or other general
successor) shall be entitled to be held harmless from and indemnified against
all loss and expense arising from such liability, but only out of the assets of
the particular series of Shares of which he or she is or was a Shareholder."

Item 28. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER.

         Rosenberg Institutional Equity Management (the "Manager") was
organized as a limited partnership under the laws of the State of California in
1985, and is registered as an investment adviser under the Investment Advisers
Act of 1940.

         Set forth below are the substantial business engagements during at
least the past two fiscal years of each director, officer or partner of the
Manager:

Name and Position                 Business and
  with Manager                    other connections
- ------------------                -----------------

Barr M. Rosenberg                 General Partner, Rosenberg Alpha L.P.
Managing General Partner          (formerly (RBR Partners (limited partner of
and Chief Investment Officer      Manager)), 12 El Sueno, Orinda, California,
                                  December, 1984 to present; Chairman of the
                                  Board, Rosenberg Management Company S.A.,
                                  April 1989 to present; Chairman of the Board,
                                  Rosenberg U.S. Japan Management Company S.A.,
                                  July, 1989 to present.  Chairman of the
                                  Board, Rosenberg Global Management Company,
                                  S.A., April 1990 to present; Director and
                                  Chairman of the Board, Rosenberg Asset
                                  Management Company, Ltd., Dai-Ichi Edobashi
                                  Bldg., 1-11-1 Nihonbashi Chuo-Ku, Tokyo 103,
                                  Japan; Chairman of the Board and Director of
                                  Barr Rosenberg Investment Management, Inc.,
                                  February 1990 to present.  Chairman, Barr
                                  Rosenberg European Management, Ltd., March
                                  1990 to present; Chairman and Director,
                                  Nomura Rosenberg Investment Technology
                                  Institute, June 1990 to present.


                                         -5-

<PAGE>


Marlis S. Fritz                   Director, Barr Rosenberg European Management
General Partner and Director of   Ltd., May 1990 to present.
Marketing

Kenneth Reid                      Consultant, BARRA (financial consulting),
General Partner                   2001 Addison Street, Berkeley, California,
and Director of Research          June, 1982 to June, 1986.  Director, Nomura
                                  Rosenberg Investment Technology Institute,
                                  January 1991 to present.

Po-Len Hew                        Controller, Rosenberg Institutional Equity
Controller                        Management, October 1989 to present,
                                  Treasurer, Barr Rosenberg Investment
                                  Management, May 1994 to present.

Item 29.  PRINCIPAL UNDERWRITERS:

          (a)  Barr Rosenberg Funds Distributor, Inc. (the "Distributor") is the
               principal underwriter of the Funds' Adviser and Select shares.
               The Distributor does not act as principal underwriter, depositor
               or investment adviser for any other investment company.

          (b)  Information with respect to the Distributor's directors and
               officers is as follows:


     Name and Principal         Positions and             Positions and
     Offices                    Offices with              with
     Business Address           Underwriter               Registrant
     ------------------         -------------             -------------
   
     David J. Huber             President                 None

     Lynn J. Mangum             Director                  None

     Kevin J. Dell              Vice President,           None
                                Secretary 

     Michael D. Burns           Vice President, Chief     None
                                Financial Officer

     Robert J. McMullan         Director                  None

The business address of all directors and officers of the Distributor is 125 
W. 55th Street New York, New York  10019
    
          (c)  None.

Item 30.  LOCATION OF ACCOUNTS AND RECORDS.

     All accounts, books and other documents required to be maintained by
Section 31(a) of the Investment Company Act of 1940, as amended, and the rules
thereunder will be maintained at the offices of:



                                         -6-

<PAGE>

   
1)   Barr Rosenberg Series Trust
     3435 Stelzer Road
     Columbus, Ohio  43219
     Rule 31a-1 (b)(1),(2),(3), (4), (5), (6), (7), (8), (9), (10), (11)
     Rule 31a-2 (a)
    


2)   Rosenberg Institutional Equity Management
     Four Orinda Way
     Suite 300E
     Orinda, CA  94563
     Rule 31a-1 (f)
     Rule 31a-2 (e)


   
3)   Barr Rosenberg Funds Distributor, Inc.
     125 W. 55th Street
     New York, New York  10019
     Rule 31a-1 (d)
     Rule 31a-2 (c)
    

Item 31.  MANAGEMENT SERVICES.

          None.

Item 32.  UNDERTAKINGS.

          (i)  The Registrant undertakes to comply with the last three
paragraphs of Section 16(c) of the Investment Company Act of 1940 as though such
provisions of the Act were applicable to the Trust.
   
         (ii)  The Registrant undertakes to furnish each person to whom a 
               prospectus is delivered with a copy of the Registrants's latest
               annual report to shareholders, upon request and without charge.
    

                                         -7-

<PAGE>

   

                                       NOTICE

     A copy of the Agreement and Declaration of Trust, as amended, of the
Registrant is on file with the Secretary of The Commonweatlh of Massachusetts
and notice is hereby given that this instrument is executed on behalf of the 
Registrant by an officer of the Registrant as an officer and not individually 
and that the obligations of or arising out of this instrument are not binding
for any of the trustees of shareholders individually but are binding only upon
the assets and property of the Registrant.
    

<PAGE>

SIGNATURES

   
     Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Registrant has duly caused this 
Post-Effective Amendment No. 13 to its Registration Statement to be
signed on its behalf by the undersigned, thereunto duly authorized, in the City
of Orinda, and the State of California, on the 30th day of April, 1997.
    

                              BARR ROSENBERG SERIES TRUST



                              By   /s/Marlis S. Fritz
                                   _____________________
                                   Marlis S. Fritz
                                   Vice President

   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
to its Registration Statement has been signed below by the following persons in
the capacities and on the 30th day of April, 1997.
    
   
SIGNATURE                TITLE                         DATE

/s/Marlis S. Fritz       Vice President,               April 30, 1997
____________________
Marlis S. Fritz          Trustee


Kenneth Reid*            President                     April 30, 1997
Kenneth Reid             Principal Executive Officer,
                         Trustee


Po-Len Hew*              Treasurer,                    April 30, 1997
____________________
Po-Len Hew               Principal Financial Officer
                         Trustee


Nils H. Hakansson*       Trustee                       April 30, 1997
____________________
Nils H. Hakansson


Barr M. Rosenberg*       Trustee                       April 30, 1997
____________________
Barr M. Rosenberg


William F. Sharpe*       Trustee                       April 30, 1997
____________________
William F. Sharpe

*By: /s/Marlis S. Fritz
     __________________
     Marlis S. Fritz
     Attorney-in-Fact

Date:     April 30, 1997
    



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