PIMCO FUNDS MULTI MANAGER SERIES
497, 2000-04-03
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<PAGE>

PIMCO Funds Prospectus

Multi-Manager Series

April 3, 2000

Share Classes
  A B C

GROWTH STOCK FUNDS
Growth Fund
Select Growth Fund
Target Fund
Opportunity Fund


BLEND STOCK FUNDS
Capital Appreciation
Mid-Cap Fund


VALUE STOCK FUNDS
Equity Income Fund
Renaissance Fund
Value Fund
Small-Cap Value Fund

ENHANCED INDEX STOCK FUNDS
Tax-Efficient Equity Fund


INTERNATIONAL STOCK FUNDS
International Fund


SECTOR-RELATED STOCK FUNDS
Innovation Fund
Global Innovation Fund

This cover is not part of the Prospectus.


                                                           [LOGO OF PIMCO FUNDS]
<PAGE>

            PIMCO Funds Prospectus

PIMCO       This Prospectus describes 14 mutual funds offered by PIMCO Funds:
Funds:      Multi-Manager Series. The Funds provide access to the professional
Multi-      investment advisory services offered by PIMCO Advisors L.P. and
Manager     its investment management affiliates. As of December 31, 1999,
Series      PIMCO Advisors and its affiliates managed approximately
            $261 billion, including assets for 67 of the 200 largest U.S.
            corporations.

April 3,
2000


            The Prospectus explains what you should know about the Funds
Share       before you invest. Please read it carefully.
Classes
A, B
and C

            The Securities and Exchange Commission has not approved or
            disapproved these securities or determined if this Prospectus is
            truthful or complete. Any representation to the contrary is a
            criminal offense.
  PIMCO Funds: Multi-Manager Series
1
<PAGE>



            Table of Contents

<TABLE>
         <S>                                                               <C>
         Summary Information..............................................   3
         Fund Summaries
           Capital Appreciation Fund......................................   5
           Equity Income Fund.............................................   7
           Global Innovation Fund.........................................   9
           Growth Fund....................................................  11
           Innovation Fund................................................  13
           International Fund.............................................  15
           Mid-Cap Fund...................................................  17
           Opportunity Fund...............................................  19
           Renaissance Fund...............................................  21
           Select Growth Fund.............................................  23
           Small-Cap Value Fund...........................................  25
           Target Fund....................................................  27
           Tax-Efficient Equity Fund......................................  29
           Value Fund.....................................................  31
         Summary of Principal Risks.......................................  33
         Management of the Funds..........................................  35
         Investment Options - Class A, B and C Shares ....................  40
         How Fund Shares Are Priced.......................................  42
         How to Buy and Sell Shares.......................................  43
         Fund Distributions...............................................  47
         Tax Consequences.................................................  47
         Characteristics and Risks of Securities and Investment
          Techniques......................................................  48
         Financial Highlights.............................................  57
</TABLE>
                                                                   Prospectus
                                                                               2
<PAGE>

           Summary Information

 The table below lists the investment objectives and compares certain
 investment characteristics of the Funds. Other important characteristics are
 described in the individual Fund Summaries beginning on page 5.

<TABLE>
<CAPTION>
                                                                                             Approximate   Approximate
                 PIMCO                Investment                         Main                Number of     Capitalization
                 Fund                 Objective                          Investments         Holdings      Range
 --------------------------------------------------------------------------------------------------------------------------------
  <C>            <C>                  <C>                                <S>                 <C>           <C>
  Growth Stock   Growth               Long-term growth of capital;       Common stocks of    35-40         At least $5 billion
  Funds                               income is an incidental            companies with
                                      consideration                      market
                                                                         capitalizations
                                                                         of at least $5
                                                                         billion
           -----------------------------------------------------------------------------------------------------------------
                 Select Growth        Long-term growth of capital;       Common stocks of    15-25         At least $10 billion
                                      income is an incidental            companies with
                                      consideration                      market
                                                                         capitalizations
                                                                         of at least $10
                                                                         billion
           -----------------------------------------------------------------------------------------------------------------
                 Target               Capital appreciation; no           Common stocks of    40-60         Between $1 billion
                                      consideration is given to income   companies with                    and $10 billion
                                                                         market
                                                                         capitalizations
                                                                         of between $1
                                                                         billion and
                                                                         $10 billion
           -----------------------------------------------------------------------------------------------------------------
                 Opportunity          Capital appreciation; no           Common stocks of    60-100        Between $100 million
                                      consideration is given to income   companies with                    and $2 billion
                                                                         market
                                                                         capitalizations
                                                                         of between $100
                                                                         million and $2
                                                                         billion
 --------------------------------------------------------------------------------------------------------------------------------
  Blend Stock    Capital Appreciation Growth of capital                  Common stocks of    60-100        At least $1 billion
  Funds                                                                  companies with
                                                                         market
                                                                         capitalizations
                                                                         of at least $1
                                                                         billion that
                                                                         have improving
                                                                         fundamentals and
                                                                         whose stock is
                                                                         reasonably
                                                                         valued by the
                                                                         market
           -----------------------------------------------------------------------------------------------------------------
                 Mid-Cap              Growth of capital                  Common stocks of    60-100        More than $500 million
                                                                         companies with                    (excluding the largest
                                                                         market                            200 companies)
                                                                         capitalizations
                                                                         of more than
                                                                         $500 million
                                                                         (excluding the
                                                                         largest 200
                                                                         companies) that
                                                                         have improving
                                                                         fundamentals and
                                                                         whose stock is
                                                                         reasonably
                                                                         valued by the
                                                                         market
 --------------------------------------------------------------------------------------------------------------------------------
  Value Stock    Equity Income        Current income as a primary        Income-producing    40-50         More than $2 billion
  Funds                               objective; long-term growth of     common stocks of
                                      capital as a secondary objective   companies with
                                                                         market
                                                                         capitalizations
                                                                         of more than $2
                                                                         billion
           -----------------------------------------------------------------------------------------------------------------
                 Renaissance          Long-term growth of capital        Common stocks of    50-80         All capitalizations
                                      and income                         companies with
                                                                         below-average
                                                                         valuations whose
                                                                         business
                                                                         fundamentals are
                                                                         expected to
                                                                         improve
           -----------------------------------------------------------------------------------------------------------------
                 Value                Long-term growth of capital        Common stocks of    40            More than $10 billion
                                      and income                         companies with
                                                                         market
                                                                         capitalizations
                                                                         of more than $10
                                                                         billion and
                                                                         below-average
                                                                         valuations whose
                                                                         business
                                                                         fundamentals are
                                                                         expected to
                                                                         improve
           -----------------------------------------------------------------------------------------------------------------
                 Small-Cap Value      Long-term growth of capital        Common stocks of    100           Between $100 million
                                      and income                         companies with                    and $1.5 billion
                                                                         market
                                                                         capitalizations
                                                                         of between $100
                                                                         million and $1.5
                                                                         billion and
                                                                         below-average
                                                                         price-to-
                                                                         earnings ratios
                                                                         relative to the
                                                                         market and their
                                                                         industry groups
 --------------------------------------------------------------------------------------------------------------------------------
  Enhanced Index Tax-Efficient Equity Maximum after-tax growth           A broadly           More than 200 More than $5 billion
  Stock Funds                         of capital                         diversified
                                                                         portfolio of at
                                                                         least 200 common
                                                                         stocks of
                                                                         companies
                                                                         represented in
                                                                         the S&P 500
                                                                         Index with
                                                                         market
                                                                         capitalizations
                                                                         of more than $5
                                                                         billion
 --------------------------------------------------------------------------------------------------------------------------------
  International  International        Capital appreciation through       Common stocks of    200-250       More than $500 million
  Stock Funds                         investment in an international     foreign (non-
                                      portfolio; income is an incidental U.S.) issuers
                                      consideration                      (developed and
                                                                         emerging markets)
                                                                         with market
                                                                         capitalizations
                                                                         of more than
                                                                         $500 million
 --------------------------------------------------------------------------------------------------------------------------------
  Sector-Related Innovation           Capital appreciation; no           Common stocks of    40            More than $200 million
  Stock Funds                         consideration is given to income   technology-
                                                                         related
                                                                         companies with
                                                                         market
                                                                         capitalizations
                                                                         of more than
                                                                         $200 million
           -----------------------------------------------------------------------------------------------------------------
                 Global Innovation    Capital appreciation; no           Common stocks of    30-60         More than $200 million
                                      consideration is given to income   U.S. and non-
                                                                         U.S. technology-
                                                                         related
                                                                         companies with
                                                                         market
                                                                         capitalizations
                                                                         of more than
                                                                         $200 million
</TABLE>
  PIMCO Funds: Multi-Manager Series
3
<PAGE>

            Summary Information (continued)


Fund Descriptions, Performance and Fees
            The Funds provide a broad range of investment choices. The
            following Fund Summaries identify each Fund's investment
            objective, principal investments and strategies, principal risks,
            performance information and fees and expenses. A more detailed
            "Summary of Principal Risks" describing principal risks of
            investing in the Funds begins after the Fund Summaries.

            It is possible to lose money on investments in the Funds. An
            investment in a Fund is not a deposit of a bank and is not
            guaranteed or insured by the Federal Deposit Insurance Corporation
            or any other government agency.
                                                                   Prospectus
                                                                               4
<PAGE>

            PIMCO Capital Appreciation Fund

- --------------------------------------------------------------------------------
Principal     Investment           Fund Focus             Approximate
Investments   Objective            Larger                 Capitalization Range
and           Seeks growth of      capitalization         At least $1
Strategies    capital              common stocks          billion


              Fund                 Approximate Number     Dividend
              Category             of Holdings            Frequency
              Blend Stocks         60-100                 At least
                                                          annually



            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of companies
            with larger market capitalizations that have improving
            fundamentals (based on growth criteria) and whose stock is
            reasonably valued by the market (based on value criteria).

             In making investment decisions for the Fund, the portfolio
            management team considers the 1,000 largest publicly traded
            companies (in terms of market capitalization) in the U.S. The team
            screens the stocks in this universe for a series of growth
            criteria, such as dividend growth, earnings growth, relative
            growth of earnings over time (earnings momentum) and the company's
            history of meeting earnings targets (earnings surprise), and also
            value criteria, such as price-to-earnings, price-to-book and
            price-to-cash flow ratios. The team then selects individual stocks
            by subjecting the top 10% of the stocks in the screened universe
            to a rigorous analysis of company factors, such as strength of
            management, competitive industry position, and business prospects,
            and financial statement data, such as earnings, cash flows and
            profitability. The team may interview company management in making
            investment decisions. The Fund's capitalization criteria applies
            at the time of investment.

             The portfolio management team rescreens the universe frequently
            and seeks to consistently achieve a favorable balance of growth
            and value characteristics for the Fund. The team looks to sell a
            stock when it falls below the median ranking, has negative
            earnings surprises, or shows poor price performance relative to
            all stocks in the Fund's capitalization range or to companies in
            the same business sector. A stock may also be sold if its
            weighting in the portfolio becomes excessive (normally above 2% of
            the Fund's investments).

             The Fund intends to be fully invested in common stock (aside from
            certain cash management practices) and will not make defensive
            investments in response to unfavorable market and other
            conditions.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

             . Market Risk           . Growth Securities Risk . Focused
             . Issuer Risk           . Credit Risk              Investment Risk
             . Value Securities Risk . Management Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class A shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A, B and C shares
            (1/20/97), performance information shown in the bar chart and
            tables for those classes is based on the performance of the Fund's
            Institutional Class shares, which are offered in a different
            prospectus. The prior Institutional Class performance has been
            adjusted to reflect the actual sales charges (in the Average
            Annual Total Returns table only), distribution and/or service
            (12b-1) fees, administrative fees and other expenses paid by Class
            A, B and C shares. Past performance is no guarantee of future
            results.
  PIMCO Funds: Multi-Manager Series
5
<PAGE>

            PIMCO Capital Appreciation Fund (continued)

            Calendar Year Total Returns -- Class A


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (10/1/99-
                                                            12/31/99)     23.73%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)     -14.22%

                                    [GRAPH]
                           1992               7.08%
                           1993              17.24%
                           1994              -4.64%
                           1995              36.61%
                           1996              26.29%
                           1997              33.72%
                           1998              17.18%
                           1999              22.19%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                            <C>    <C>     <C>
                                                                       Fund Inception
                                                        1 Year 5 Years (3/8/91)(/3/)
            -------------------------------------------------------------------------
         Class A                                        15.47% 25.57%  18.84%
            -------------------------------------------------------------------------
         Class B                                        16.31% 25.92%  18.89%
            -------------------------------------------------------------------------
         Class C                                        20.32% 26.07%  18.72%
            -------------------------------------------------------------------------
         S&P 500 Index(/1/)                             21.04% 28.56%  19.75%
            -------------------------------------------------------------------------
         Lipper Capital Appreciation Fund Average(/2/)  41.82% 22.88%  16.55%
            -------------------------------------------------------------------------
</TABLE>

            (1) The S&P 500 Index is an unmanaged index of large
                capitalization common stocks. It is not possible to invest
                directly in the index.
            (2) The Lipper Capital Appreciation Fund Average is a total return
                performance average of funds tracked by Lipper Analytical
                Services, Inc. that have an investment objective of maximum
                capital appreciation. It does not take into account sales
                charges.
            (3) The Fund began operations on 3/8/91. Index comparisons begin
                on 2/28/91.

- --------------------------------------------------------------------------------
Fees and
Expenses    These tables describe the fees and expenses you may pay if you buy
of the      and hold Class A, B or C shares of the Fund:
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.45%    0.25%             0.40%         1.10%
            -----------------------------------------------------------------
         Class B      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
         Class C      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $656             $880             $1,123           $1,816            $656   $880   $1,123 $1,816
            -----------------------------------------------------------------------------------------------------------
         Class B       688              882              1,201            1,876             188    582    1,001  1,876
            -----------------------------------------------------------------------------------------------------------
         Class C       288              582              1,001            2,169             188    582    1,001  2,169
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                               6
<PAGE>

            PIMCO Equity Income Fund

- --------------------------------------------------------------------------------
Principal     Investment             Fund Focus           Approximate
Investments   Objective              Income producing     Capitalization Range
and           Seeks current          common stocks        More than $2
Strategies    income as a            with potential       billion
              primary                for capital
              objective, and         appreciation
              long-term growth
              of capital as a
              secondary
              objective
                                                          Dividend Frequency
                                     Approximate Number   Quarterly
                                     of Holdings
              Fund Category          40-50
              Value Stocks

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in income-producing (e.g.,
            dividend-paying) common stocks of companies with market
            capitalizations of more than $2 billion at the time of investment.
            The Fund may also invest in convertible securities and preferred
            stocks.

             The Fund's initial selection universe consists of the 1,000
            largest publicly traded companies (in terms of market
            capitalization) in the U.S. The portfolio managers classify the
            universe by industry. They then identify the most undervalued
            stocks in each industry based mainly on relative P/E ratios,
            calculated both with respect to trailing operating earnings and
            forward earnings estimates. From this group of stocks, the Fund
            buys approximately 25 stocks with the highest dividend yields. The
            portfolio managers then screen the most undervalued companies in
            each industry by dividend yield to identify the highest yielding
            stocks in each industry. From this group, the Fund buys
            approximately 25 additional stocks with the lowest P/E ratios.

             In selecting stocks, the portfolio managers consider quantitative
            factors such as price momentum (based on changes in stock price
            relative to changes in overall market prices), earnings momentum
            (based on analysts' earnings per share estimates and revisions to
            those estimates), relative dividend yields, valuation relative to
            the overall market and trading liquidity. The portfolio managers
            may replace a stock when a stock within the same industry group
            has a considerably higher dividend yield or lower valuation than
            the Fund's current holding.

             The Fund may invest up to 15% of its assets in foreign
            securities, usually in the form of American Depository Receipts
            (ADRs). In response to unfavorable market and other conditions,
            the Fund may make temporary investments of some or all of its
            assets in high-quality fixed income securities. This would be
            inconsistent with the Fund's investment objective and principal
            strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

              .Market Risk           .Foreign Investment Risk .Credit Risk
              .Issuer Risk           .Currency Risk           .Management Risk
              .Value Securities Risk .Interest Rate Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class A shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A, B and C shares
            (1/20/97), performance information shown in the bar chart and
            tables for those classes is based on the performance of the Fund's
            Institutional Class shares, which are offered in a different
            prospectus. The prior Institutional Class performance has been
            adjusted to reflect the actual sales charges (in the Average
            Annual Total Returns table only), distribution and/or service
            (12b-1) fees, administrative fees and other expenses paid by Class
            A, B and C shares. The Fund is expected to change sub-advisers on
            or about May 8, 2000. The Fund would not necessarily have achieved
            the performance results shown on the next page under its expected
            new investment management arrangements. Past performance is no
            guarantee of future results.
  PIMCO Funds: Multi-Manager Series
7
<PAGE>

            PIMCO Equity Income Fund (continued)

            Calendar Year Total Returns -- Class A



                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (4/1/99-
                                                            6/30/99)      16.00%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)     -10.98%

                                    [GRAPH]

                            1992            14.29%
                            1993             8.03%
                            1994            -2.00%
                            1995            32.94%
                            1996            21.00%
                            1997            30.88%
                            1998             8.03%
                            1999            -2.31%

                  Calendar Year End (through 12/31)


            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                     <C>     <C>     <C>
                                                                 Fund Inception
                                                 1 Year  5 Years (3/8/91)(/3/)
            -------------------------------------------------------------------
         Class A                                  -7.67% 15.99%  13.09%
            -------------------------------------------------------------------
         Class B                                  -6.71% 16.26%  13.14%
            -------------------------------------------------------------------
         Class C                                  -3.81% 16.45%  12.97%
            -------------------------------------------------------------------
         S&P 500 Index(/1/)                       21.04% 28.56%  19.75%
            -------------------------------------------------------------------
         Lipper Equity Income Fund Average(/2/)    4.77% 18.02%  14.57%
            -------------------------------------------------------------------
</TABLE>

            (1) The S&P 500 Index is an unmanaged index of large
                capitalization common stocks. It is not possible to invest
                directly in the index.
            (2) The Lipper Equity Income Fund Average is a total return
                performance average of funds tracked by Lipper Analytical
                Services, Inc. that seek relatively higher growth of income
                through investing 60% or more of their portfolios in equities.
                It does not take into account sales charges.
            (3) The Fund began operations on 3/8/91. Index comparisons begin
                on 2/28/91.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.45%    0.25%             0.40%         1.10%
            -----------------------------------------------------------------
         Class B      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
         Class C      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $656             $880             $1,123           $1,816            $656   $880   $1,123 $1,816
            -----------------------------------------------------------------------------------------------------------
         Class B       688              882              1,201            1,876             188    582    1,001  1,876
            -----------------------------------------------------------------------------------------------------------
         Class C       288              582              1,001            2,169             188    582    1,001  2,169
            -----------------------------------------------------------------------------------------------------------
</TABLE>

                                                                   Prospectus
                                                                               8
<PAGE>

            PIMCO Global Innovation Fund

- --------------------------------------------------------------------------------
Principal     Investment            Fund Focus          Approximate
Investments   Objective             Common stocks of    Capitalization Range
and           Seeks capital         U.S. and non-       More than $200
Strategies    appreciation; no      U.S. technology-    million
              consideration is      related
              given to income       companies
                                                        Dividend Frequency
                                                        At least
              Fund Category         Approximate         annually
              Sector-Related        Number of Holdings
              Stocks                30-60

              The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of U.S. and
            non-U.S. companies which utilize new, creative or different, or
            "innovative," technologies to gain a strategic competitive
            advantage in their industry, as well as companies that provide and
            service those technologies. The Fund identifies its investment
            universe of technology-related companies primarily by reference to
            classifications made by independent firms, such as Standard &
            Poor's (for example, companies classified as "Information
            Technology" companies), and by identifying companies that derive a
            substantial portion of their revenues from the manufacture, sale
            and/or service of technological products. Although the Fund
            emphasizes companies which utilize technologies, it is not
            required to invest exclusively in a particular business sector or
            industry.

              The portfolio manager selects stocks for the Fund using a
            "growth" style. The portfolio manager seeks to identify
            technology-related companies with well-defined "wealth creating"
            characteristics, including superior earnings growth (relative to
            companies in the same industry or the market as a whole), high
            profitability and consistent, predictable earnings. In addition,
            through fundamental research, the portfolio manager seeks to
            identify companies that are gaining market share, have superior
            management and possess a sustainable competitive advantage, such
            as superior or innovative products, personnel and distribution
            systems. The Fund looks to sell a stock when the portfolio manager
            believes that earnings or market sentiment are disappointing, if
            the company does not meet or exceed consensus estimates on
            revenues and/or earnings or if an alternative investment is more
            attractive.

              Although the Fund invests principally in common stocks, the Fund
            may also invest in other types of equity securities, including
            preferred stocks and convertible securities. The Fund will invest
            in the securities of issuers located in at least three countries
            (one of which may be the United States). Although the Fund
            normally invests in securities traded principally in the
            securities markets of developed countries, the Fund has no
            prescribed limits on geographic asset distribution and may invest
            in any foreign securities market in the world, including in
            emerging markets. The Fund may utilize foreign currency exchange
            contracts and derivative instruments (such as stock index futures
            contracts), primarily for risk management or hedging purposes.

              In response to unfavorable market and other conditions, the Fund
            may make temporary investments of some or all of its assets in
            high-quality fixed income securities. This would be inconsistent
            with the Fund's investment objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

             .Market Risk            .Derivatives Risk        .Leveraging Risk
             .Issuer Risk            .Foreign Investment Risk .Credit Risk
             .Growth Securities Risk .Emerging Markets Risk   .Management Risk
             .Smaller Company Risk   .Currency Risk
             .Liquidity Risk         .Focused Investment Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance
Information
            The Fund commenced operations in December 1999 and does not yet
            have a full calendar year of performance. Thus, no bar chart or
            Average Annual Total Returns table is included for the Fund.
  PIMCO Funds: Multi-Manager Series
9
<PAGE>

            PIMCO Global Innovation Fund (continued)

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>            <C>             <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses       Fee Waiver(/3/) Net Expenses(/3/)
            ---------------------------------------------------------------------------------------------------
         Class A      1.00%    0.25%             0.64%         1.89%          0.04%           1.85%
            ---------------------------------------------------------------------------------------------------
         Class B      1.00     1.00              0.64          2.64           0.04            2.60
            ---------------------------------------------------------------------------------------------------
         Class C      1.00     1.00              0.64          2.64           0.04            2.60
            ---------------------------------------------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.60% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion, and 0.04% representing
             the Fund's organizational expenses as attributed to the class
             ("Organizational Expenses").
            (3)  Net Expenses reflects the effects of a contractual agreement
                 by PIMCO Advisors to waive, reduce or reimburse its
                 Administrative Fee for each class in an amount that, in
                 essence, is equal to the Fund's Organizational Expenses
                 attributed to the class. Because the Organizational Expenses
                 will all be accounted for in the Fund's initial fiscal year,
                 the Fund's reasonable expectation is that the relevant
                 conditions will not continue after the Fund's fiscal year
                 ending June 30, 2000.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.(/1/)

<TABLE>
<CAPTION>
                                                                                            Example: Assuming you
                                                                                            do not redeem your
                      Example: Assuming you redeem your shares at the end of each period    shares
         <S>          <C>                <C>             <C>                <C>             <C>    <C> <C>     <C>
         Share Class  Year 1                             Year 3                             Year 1     Year 3
            ------------------------------------------------------------------------------------------------------
         Class A       728                               $            1,100                 $728       $1,100
            ------------------------------------------------------------------------------------------------------
         Class B       763                                1,108                              263          808
            ------------------------------------------------------------------------------------------------------
         Class C       363                                              808                  263          808
            ------------------------------------------------------------------------------------------------------
</TABLE>
            (1)The Examples are based on the Net Expenses shown in the
            preceding table.
                                                                   Prospectus
                                                                              10
<PAGE>

            PIMCO Growth Fund

- --------------------------------------------------------------------------------
Principal     Investment           Fund Focus             Approximate
Investments   Objective            Larger                 Capitalization
and           Seeks long-term      capitalization         Range
Strategies    growth of            common                 At least $5
              capital; income      stocks                 billion
              is an
              incidental
              consideration
                                                          Dividend
                                                          Frequency
                                   Approximate Number     At least
                                   of Holdings            annually
              Fund Category        35-40
              Growth Stocks

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of "growth"
            companies with market capitalizations of at least $5 billion at
            the time of investment.

             The portfolio manager selects stocks for the Fund using a
            "growth" style. The portfolio manager seeks to identify companies
            with well-defined "wealth creating" characteristics, including
            superior earnings growth (relative to companies in the same
            industry or the market as a whole), high profitability and
            consistent, predictable earnings. In addition, through fundamental
            research, the portfolio manager seeks to identify companies that
            are gaining market share, have superior management and possess a
            sustainable competitive advantage, such as superior or innovative
            products, personnel and distribution systems. The Fund looks to
            sell a stock when the portfolio manager believes that its
            earnings, market sentiment or relative performance are
            disappointing or if an alternative investment is more attractive.

             The Fund may also invest in other kinds of equity securities,
            including preferred stocks and convertible securities. The Fund
            may invest up to 15% of its assets in foreign securities, usually
            in the form of American Depository Receipts (ADRs).

             In response to unfavorable market and other conditions, the Fund
            may make temporary investments of some or all of its assets in
            high-quality fixed income securities. This would be inconsistent
            with the Fund's investment objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

              .Market Risk            .Foreign Investment Risk .Credit Risk
              .Issuer Risk            .Currency Risk           .Management Risk
              .Growth Securities Risk .Focused Investment Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance Information
            The top of the next page shows summary performance information for
            the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class C shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A shares (10/26/90)
            and Class B shares (5/23/95), performance information shown in the
            Average Annual Total Returns table for those classes is based on
            the performance of the Fund's Class C shares. The prior Class C
            performance has been adjusted to reflect the actual sales charges,
            distribution and/or service (12b-1) fees, administrative fees and
            other expenses paid by Class A and B shares. Prior to March 6,
            1999, the Fund had a different sub-adviser and would not
            necessarily have achieved the performance results shown on the
            next page under its current investment management arrangements.
            Past performance is no guarantee of future results.
  PIMCO Funds: Multi-Manager Series
11
<PAGE>

            PIMCO Growth Fund (continued)

            Calendar Year Total Returns -- Class C


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (10/1/99-
                                                            12/31/99)     36.21%
                                                            --------------------
                                                            Lowest (7/1/90-
                                                            9/30/90)     -13.14%

                                    [GRAPH]

                            1990             0.29%
                            1991            41.88%
                            1992             2.08%
                            1993             9.32%
                            1994            -0.75%
                            1995            27.47%
                            1996            17.52%
                            1997            21.84%
                            1998            38.90%
                            1999            39.83%

                  Calendar Year End (through12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                              <C>    <C>     <C>      <C>
                                                                  Fund Inception
                                          1 Year 5 Years 10 Years (2/24/84)(/3/)
            --------------------------------------------------------------------
         Class A                          33.33% 28.36%  18.99%   19.71%
            --------------------------------------------------------------------
         Class B                          34.78% 28.65%  19.06%   19.75%
            --------------------------------------------------------------------
         Class C                          38.83% 28.80%  18.77%   19.25%
            --------------------------------------------------------------------
         S&P 500 Index(/1/)               21.04% 28.56%  18.21%   18.60%
            --------------------------------------------------------------------
         Lipper Growth Fund Average(/2/)  29.23% 25.03%  16.48%   16.27%
            --------------------------------------------------------------------
</TABLE>

            (1) The S&P 500 Index is an unmanaged index of large
                capitalization common stocks. It is not possible to invest
                directly in the index.
            (2) The Lipper Growth Fund Average is a total return performance
                average of funds tracked by Lipper Analytical Services, Inc.
                that invest in companies with long-term earnings expected to
                grow significantly faster than the earnings of the stocks
                represented in the major unmanaged stock indexes. It does not
                take into account sales charges.
            (3) The Fund began operations on 2/24/84. Index comparisons begin
                on 2/29/84.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.50%    0.25%             0.40%         1.15%
            -----------------------------------------------------------------
         Class B      0.50     1.00              0.40          1.90
            -----------------------------------------------------------------
         Class C      0.50     1.00              0.40          1.90
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholder may, depending upon
                the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $661             $895             $1,148           $1,871            $661   $895   $1,148 $1,871
            -----------------------------------------------------------------------------------------------------------
         Class B       693              897              1,226            1,930             193    597    1,026  1,930
            -----------------------------------------------------------------------------------------------------------
         Class C       293              597              1,026            2,222             193    597    1,026  2,222
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              12
<PAGE>

            PIMCO Innovation Fund

- --------------------------------------------------------------------------------
Principal     Investment          Fund Focus            Approximate
Investments   Objective           Common stocks of      Capitalization Range
and           Seeks capital       technology-           More than $200
Strategies    appreciation; no    related               million
              consideration is    companies
              given to income

              Fund Category       Approximate Number    Dividend Frequency
              Sector-Related      of Holdings           At least
              Stocks              40                    annually

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of companies
            which utilize new, creative or different, or "innovative,"
            technologies to gain a strategic competitive advantage in their
            industry, as well as companies that provide and service those
            technologies. The Fund identifies its investment universe of
            technology-related companies primarily by reference to
            classifications made by independent firms, such as Standard &
            Poor's (for example, companies classified as "Information
            Technology" companies), and by identifying companies that derive a
            substantial portion of their revenues from the manufacture, sale
            and/or service of technological products. Although the Fund
            emphasizes companies which utilize technologies, it is not
            required to invest exclusively in companies in a particular
            business sector or industry.

             The portfolio manager selects stocks for the Fund using a
            "growth" style. The portfolio manager seeks to identify
            technology-related companies with well-defined "wealth creating"
            characteristics, including superior earnings growth (relative to
            companies in the same industry or the market as a whole), high
            profitability and consistent, predictable earnings. In addition,
            through fundamental research, the portfolio manager seeks to
            identify companies that are gaining market share, have superior
            management and possess a sustainable competitive advantage, such
            as superior or innovative products, personnel and distribution
            systems. The Fund looks to sell a stock when the portfolio manager
            believes that earnings or market sentiment are disappointing, if
            the company does not meet or exceed consensus estimates on
            revenues and/or earnings or if an alternative investment is more
            attractive.

             Although the Fund invests principally in common stocks, the Fund
            may also invest in other kinds of equity securities, including
            preferred stocks and convertible securities. The Fund may invest
            up to 15% of its assets in foreign securities, usually in the form
            of American Depository Receipts (ADRs).

             In response to unfavorable market and other conditions, the Fund
            may make temporary investments of some or all of its assets in
            high-quality fixed income securities. This would be inconsistent
            with the Fund's investment objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

              .Market Risk             .Smaller Company Risk    .Currency Risk
              .Issuer Risk             .Liquidity Risk          .Credit Risk
              .Focused Investment Risk .Foreign Investment Risk .Management Risk
              .Growth Securities Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class A shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class B shares (5/22/95),
            performance information shown in the Average Annual Total Returns
            table for that class is based on the performance of the Fund's
            Class A shares. The prior Class A performance has been adjusted to
            reflect the actual sales charges, distribution and/or service
            (12b-1) fees, administrative fees and other expenses paid by Class
            B shares. Prior to March 6, 1999, the Fund had a different sub-
            adviser and would not necessarily have achieved the performance
            results shown on the next page under its current investment
            management arrangements. Past performance is no guarantee of
            future results.
  PIMCO Funds: Multi-Manager Series
13
<PAGE>

            PIMCO Innovation Fund (continued)

            Calendar Year Total Returns -- Class A

                                                             Highest and
                                                             Lowest Quarter
                                                             Returns
                                                             (for periods
                                                             shown in the bar
                                                             chart)
                                                             ------------------
                                                             Highest (10/1/99-
                                                             12/31/99)   80.12%
                                                             ------------------
                                                             Lowest (1/1/97-
                                                             3/31/97)   -12.56%

                                                [GRAPH]

                                           1995       45.33%
                                           1996       23.60%
                                           1997        9.03%
                                           1998       69.54%
                                           1999      139.40%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                              <C>     <C>     <C>
                                                                          Fund Inception
                                                          1 Year  5 Years (12/22/94)(/3/)
            -----------------------------------------------------------------------------
         Class A                                          126.24% 51.38%  51.01%
            -----------------------------------------------------------------------------
         Class B                                          133.51% 51.98%  51.65%
            -----------------------------------------------------------------------------
         Class C                                          137.44% 52.05%  51.68%
            -----------------------------------------------------------------------------
         S&P 500 Index(/1/)                                21.04% 28.56%  28.56%
            -----------------------------------------------------------------------------
         Lipper Science and Technology Fund Average(/2/)  134.99% 40.91%  40.91%
            -----------------------------------------------------------------------------
</TABLE>

            (1) The S&P 500 Index is an unmanaged index of large
                capitalization common stocks. It is not possible to invest
                directly in the index.
            (2) The Lipper Science and Technology Fund Average is a total
                return performance average of funds tracked by Lipper
                Analytical Services, Inc. that invest at least 65% of their
                assets in science and technology stocks. It does not take into
                account sales charges.
            (3) The Fund began operations on 12/22/94. Index comparisons begin
                on 12/31/94.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.65%    0.25%             0.40%         1.30%
            -----------------------------------------------------------------
         Class B      0.65     1.00              0.40          2.05
            -----------------------------------------------------------------
         Class C      0.65     1.00              0.40          2.05
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                       Example: Assuming you do not
                  Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>      <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
                  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -------------------------------------------------------------------------------------------------------
         Class A  $675             $939             $1,224           $2,032            $675   $939   $1,224 $2,032
            -------------------------------------------------------------------------------------------------------
         Class B   708              943              1,303            2,091             208    643    1,103  2,091
            -------------------------------------------------------------------------------------------------------
         Class C   308              643              1,103            2,379             208    643    1,103  2,379
            -------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              14
<PAGE>

            PIMCO International Fund

- --------------------------------------------------------------------------------
Principal     Investment             Fund Focus           Approximate
Investments   Objective              Common stocks of     Capitalization Range
and           Seeks capital          foreign (non-        More than $500
Strategies    appreciation           U.S.) issuers        million
              through
              investment in an
              international
              portfolio; income
              is an incidental
              consideration
                                                          Dividend Frequency
                                     Approximate Number   At least
                                     of Holdings          annually
                                     200-250
              Fund Category
              International
              Stocks

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in an international portfolio
            of common stocks, which may or may not pay dividends. The Fund
            normally invests in securities traded principally in developed
            foreign securities markets, but may also invest up to 30% of its
            assets in developing or "emerging" markets. The Fund has no
            prescribed limits on geographic asset distribution and may invest
            in any foreign securities market in the world. The Fund may also
            invest in securities of foreign issuers traded on U.S. securities
            markets, but will normally not invest in U.S. issuers. The Fund
            invests most of its assets in foreign securities which trade in
            currencies other than the U.S. dollar and may invest directly in
            foreign currencies.

             The portfolio manager uses a "top down" investment approach. He
            first determines regional and country weightings for the Fund by
            considering such factors as the condition and growth potential of
            the various economies and securities markets, currency and
            taxation considerations and other financial, social, national and
            political factors. The Sub-Adviser's country specialists then
            select individual stocks to fill out the desired country
            weightings. In selecting stocks, the specialists analyze a broad
            range of company fundamentals, such as price-to-earnings, price-
            to-book value and price-to-cash flow ratios (value factors),
            earnings, dividend and profit growth (growth factors) and balance
            sheet strength and return on assets (quality factors). The
            portfolio manager sells stocks in order to adjust or rebalance the
            Fund's regional and country weightings or to replace companies
            with weakening fundamentals.

             The Fund may utilize foreign currency exchange contracts and
            derivative instruments (such as stock index futures contracts)
            primarily for risk management or hedging purposes. The Fund may
            also invest in equity securities other than common stocks (such as
            preferred stocks and convertible securities) and may invest up to
            10% of its assets in other investment companies. In response to
            unfavorable market and other conditions, the Fund may make
            temporary investments of some or all of its assets in foreign and
            domestic fixed income securities and in equity securities of U.S.
            issuers. This would be inconsistent with the Fund's investment
            objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

             .Foreign Investment Risk .Growth Securities Risk .Focused
             .Currency Risk           .Smaller Companies Risk  Investment Risk
             .Market Risk             .Liquidity Risk         .Leveraging Risk
             .Issuer Risk             .Derivatives Risk       .Credit Risk
             .Value Securities Risk                           .Management Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class C shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A shares (2/1/91) and
            Class B shares (5/22/95), performance information shown in the
            Average Annual Total Returns table for those classes is based on
            the performance of the Fund's Class C shares. The prior Class C
            performance has been adjusted to reflect the actual sales charges,
            distribution and/or service (12b-1) fees, administrative fees and
            other expenses paid by Class A and B shares. The Fund had
            different sub-advisers during the periods prior to November 15,
            1994, and would not necessarily have achieved the performance
            results shown on the next page under its current investment
            management arrangements. Past performance is no guarantee of
            future results.
  PIMCO Funds: Multi-Manager Series
15
<PAGE>

            PIMCO International Fund (continued)

            Calendar Year Total Returns -- Class C


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                             in the bar chart)
                                                            --------------------
                                                            Highest (10/1/99-
                                                            12/31/99)     21.58%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)     -22.16%

                                    [GRAPH]

                            1990           -15.50%
                            1991            19.92%
                            1992            -5.84%
                            1993            33.47%
                            1994            -8.16%
                            1995             5.79%
                            1996             5.76%
                            1997             1.85%
                            1998             8.27%
                            1999            27.00%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)

<TABLE>
         <S>                        <C>    <C>     <C>      <C>
                                                            Fund Inception
                                    1 Year 5 Years 10 Years (8/25/86)(/3/)
            --------------------------------------------------------------
         Class A                    20.59%  8.96%   6.43%    8.17%
            --------------------------------------------------------------
         Class B                    21.97%  9.13%   6.49%    8.21%
            --------------------------------------------------------------
         Class C                    26.00%  9.40%   6.24%    7.83%
            --------------------------------------------------------------
         MSCI EAFE Index            27.31% 13.15%   7.34%   10.35%
            --------------------------------------------------------------
         Lipper International Fund
          Average(/2/)              40.86% 15.08%  10.22%   11.57%
            --------------------------------------------------------------
</TABLE>

            (1) The Morgan Stanley Capital International EAFE (Europe,
                Australasia, Far East) ("MSCI EAFE") Index is a widely
                recognized, unmanaged index of issuers in countries of Europe,
                Australia and Asia. It is not possible to invest directly in
                the index.
            (2) The Lipper International Fund Average is a total return
                performance average of funds tracked by Lipper Analytical
                Services, Inc. that invest their assets in securities whose
                primary trading markets are outside of the United States. It
                does not take into account sales charges.
            (3) The Fund began operations on 8/25/86. Index comparisons begin
                on 8/31/86.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>                <C>           <C>
                               Distribution                     Total Annual
                      Advisory and/or Service     Other         Fund Operating
         Share Class  Fees     (12b-1) Fees (/1/) Expenses(/2/) Expenses
            ------------------------------------------------------------------
         Class A      0.55%    0.25%              0.65%         1.45%
            ------------------------------------------------------------------
         Class B      0.55     1.00               0.65          2.20
            ------------------------------------------------------------------
         Class C      0.55     1.00               0.65          2.20
            ------------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.65% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                      Example: Assuming you redeem your shares at the
                      end of each period                               Example: Assuming you do not redeem your shares
         <S>          <C>         <C>         <C>         <C>          <C>         <C>         <C>         <C>
         Share Class  Year 1      Year 3      Year 5      Year 10      Year 1      Year 3      Year 5      Year 10
            ----------------------------------------------------------------------------------------------------------
         Class A      $689        $983        $     1,299 $2,190       $689        $983        $1,299      $2,190
            ----------------------------------------------------------------------------------------------------------
         Class B          723         988        1,380       2,249         223         688        1,180       2,249
            ----------------------------------------------------------------------------------------------------------
         Class C          323         688        1,180       2,534         223         688        1,180       2,534
            ----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              16
<PAGE>

            PIMCO Mid-Cap Fund

- --------------------------------------------------------------------------------
Principal     Investment           Fund                   Approximate
Investments   Objective            Focus                  Capitalization Range
and           Seeks growth of      Medium                 More than $500
Strategies    capital              capitalization         million
                                   common stocks          (excluding the
                                                          largest 200
                                                          companies)

              Fund Category        Approximate Number
              Blend Stocks         of Holdings
                                   60-100                 Dividend Frequency
                                                          At least
                                                          annually

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of companies
            with medium market capitalizations that have improving
            fundamentals (based on growth criteria) and whose stock is
            reasonably valued by the market (based on value criteria).

             In making investment decisions for the Fund, the portfolio
            management team considers companies in the U.S. market with market
            capitalizations of more than $500 million, but excluding the 200
            largest capitalization companies. The team screens the stocks in
            this universe for a series of growth criteria, such as dividend
            growth, earnings growth, relative growth of earnings over time
            (earnings momentum) and the company's history of meeting earnings
            targets (earnings surprise), and also value criteria, such as
            price-to-earnings, price-to-book and price-to-cash flow ratios.
            The team then selects individual stocks by subjecting the top 10%
            of the stocks in the screened universe to a rigorous analysis of
            company factors, such as strength of management, competitive
            industry position, and business prospects, and financial statement
            data, such as earnings, cash flows and profitability. The team may
            interview company management in making investment decisions. The
            Fund's capitalization criteria applies at the time of investment.

             The portfolio management team rescreens the universe frequently
            and seeks to consistently achieve a favorable balance of growth
            and value characteristics for the Fund. The team looks to sell a
            stock when it falls below the median ranking, has negative
            earnings surprises, or shows poor price performance relative to
            all stocks in the Fund's capitalization range or to companies in
            the same business sector. A stock may also be sold if its
            weighting in the portfolio becomes excessive (normally above 2% of
            the Fund's investments).

             The Fund intends to be fully invested in common stock (aside from
            certain cash management practices) and will not make defensive
            investments in response to unfavorable market and other
            conditions.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

              .Market Risk           .Growth Securities Risk .Credit Risk
              .Issuer Risk           .Smaller Company Risk   .Management Risk
              .Value Securities Risk .Liquidity Risk         .Focused Investment
                                                              Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class A shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A, B and C shares
            (1/13/97), performance information shown in the bar chart and
            tables for those classes is based on the performance of the Fund's
            Institutional Class shares, which are offered in a different
            prospectus. The prior Institutional Class performance has been
            adjusted to reflect the actual sales charges (in the Average
            Annual Total Returns table only), distribution and/or service
            (12b-1) fees, administrative fees and other expenses paid by Class
            A, B and C shares. Past performance is no guarantee of future
            results.
  PIMCO Funds: Multi-Manager Series
17
<PAGE>

            PIMCO Mid-Cap Fund (continued)

            Calendar Year Total Returns -- Class A


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (10/1/99-
                                                            12/31/99)     22.92%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)     -14.50%

                                    [GRAPH]

                             1992           8.75%
                             1993          15.32%
                             1994          -2.75%
                             1995          36.76%
                             1996          22.87%
                             1997          33.62%
                             1998           7.46%
                             1999          12.54%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                <C>      <C>       <C>
                                                               Fund Inception
                                            1 Year   5 Years   (8/26/91)(/3/)
            -----------------------------------------------------------------
         Class A                             6.35%   20.74%    16.33%
            -----------------------------------------------------------------
         Class B                             6.68%   21.03%    16.39%
            -----------------------------------------------------------------
         Class C                            10.68%   21.22%    16.25%
            -----------------------------------------------------------------
         Russell Mid-Cap Index(/1/)         18.23%   21.85%    17.31%
            -----------------------------------------------------------------
         Lipper Mid-Cap Fund Average(/2/)   39.38%   23.07%    16.94%
            -----------------------------------------------------------------
</TABLE>

            (1) The Russell Mid-Cap Index is an unmanaged index of middle
                capitalization U.S. stocks. It is not possible to invest
                directly in the index.
            (2) The Lipper Mid-Cap Fund Average is a total return performance
                average of funds tracked by Lipper Analytical Services, Inc.
                that invest primarily in companies with market capitalizations
                of less than $5 billion at the time of investment. It does not
                take into account sales charges.
            (3) The Fund began operations on 8/26/91. Index comparisons begin
                on 8/31/91.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.45%    0.25%             0.40%         1.10%
            -----------------------------------------------------------------
         Class B      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
         Class C      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $656             $880             $1,123           $1,816            $656   $880   $1,123 $1,816
            -----------------------------------------------------------------------------------------------------------
         Class B       688              882              1,201            1,876             188    582    1,001  1,876
            -----------------------------------------------------------------------------------------------------------
         Class C       288              582              1,001            2,169             188    582    1,001  2,169
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              18
<PAGE>

            PIMCO Opportunity Fund

- --------------------------------------------------------------------------------
Principal     Investment            Fund Focus          Approximate
Investments   Objective             Smaller             Capitalization Range
and           Seeks capital         capitalization      Between $100
Strategies    appreciation;         common stocks       million and $2
              no consideration                          billion
              is given to
              income

              Fund Category         Approximate Number  Dividend Frequency
              Growth Stocks         of Holdings         At least annually
                                    60-100

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of "growth"
            companies with market capitalizations of between $100 million and
            $2 billion at the time of investment.

             The portfolio manager selects stocks for the Fund using a
            "growth" style. The portfolio manager seeks to identify companies
            with well-defined "wealth creating" characteristics, including
            superior earnings growth (relative to companies in the same
            industry or the market as a whole), high profitability and
            consistent, predictable earnings. In addition, through fundamental
            research, the portfolio manager seeks to identify companies that
            are gaining market share, have superior management and possess a
            sustainable competitive advantage, such as superior or innovative
            products, personnel and distribution systems. The Fund looks to
            sell a stock when the portfolio manager believes that its
            earnings, market sentiment or relative performance are
            disappointing or if an alternative investment is more attractive.

             The Fund may also invest in other kinds of equity securities,
            including preferred stocks and convertible securities. The Fund
            may invest up to 15% of its assets in foreign securities, usually
            in the form of American Depository Receipts (ADRs).

             In response to unfavorable market and other conditions, the Fund
            may make temporary investments of some or all of its assets in
            high-quality fixed income securities. This would be inconsistent
            with the Fund's investment objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

             .Market Risk            .Liquidity Risk          .Credit Risk
             .Issuer Risk            .Foreign Investment Risk .Management Risk
             .Growth Securities Risk .Currency Risk           .Focused
             .Smaller Company Risk                             Investment Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class C shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A shares (12/17/90)
            and Class B shares (4/1/99), performance information shown in the
            Average Annual Total Returns table for those classes is based on
            the performance of the Fund's Class C shares. The prior Class C
            performance has been adjusted to reflect the actual sales charges,
            distribution and/or service (12b-1) fees, administrative fees and
            other expenses paid by Class A and B shares. Prior to March 6,
            1999, the Fund had a different sub-adviser and would not
            necessarily have achieved the performance results shown on the
            next page under its current investment management arrangements.
            Past performance is no guarantee of future results.
  PIMCO Funds: Multi-Manager Series
19
<PAGE>

            PIMCO Opportunity Fund (continued)

            Calendar Year Total Returns -- Class C


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (10/01/99-
                                                            12/31/99)     45.70%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)     -25.78%

                                    [GRAPH]

                            1990            -7.34%
                            1991            68.08%
                            1992            28.46%
                            1993            36.16%
                            1994            -4.74%
                            1995            41.43%
                            1996            11.54%
                            1997            -4.75%
                            1998             1.29%
                            1999            63.99%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                            <C>    <C>     <C>      <C>
                                                                                Fund Inception
                                                        1 Year 5 Years 10 Years (2/24/84)(/3/)
            ----------------------------------------------------------------------------------
         Class A                                        55.98%  19.60% 20.73%   19.37%
            ----------------------------------------------------------------------------------
         Class B                                        58.95%  19.90% 20.80%   19.40%
            ----------------------------------------------------------------------------------
         Class C                                        62.99%  20.09% 20.55%   18.93%
            ----------------------------------------------------------------------------------
         Russell 2000 Index(/1/)                        21.25%  16.69% 13.40%   12.49%
            ----------------------------------------------------------------------------------
         Lipper Capital Appreciation Fund Average(/2/)  41.82%  22.88% 14.74%   14.56%
            ----------------------------------------------------------------------------------
</TABLE>

            (1) The Russell 2000 Index is a capitalization weighted broad
                based index of 2,000 small capitalization U.S. stocks. It is
                not possible to invest directly in the index.
            (2) The Lipper Capital Appreciation Fund Average is a total return
                performance average of funds tracked by Lipper Analytical
                Services, Inc. that have an investment objective of maximum
                capital appreciation. It does not take into account sales
                charges.
            (3) The Fund began operations on 2/24/84. Index comparisons begin
                on 2/29/84.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.65%    0.25%             0.40%         1.30%
            -----------------------------------------------------------------
         Class B      0.65     1.00              0.40          2.05
            -----------------------------------------------------------------
         Class C      0.65     1.00              0.40          2.05
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $675             $939             $1,224           $2,032            $675   $939   $1,224 $2,032
            -----------------------------------------------------------------------------------------------------------
         Class B       708              943              1,303            2,091             208    643    1,103  2,091
            -----------------------------------------------------------------------------------------------------------
         Class C       308              643              1,103            2,379             208    643    1,103  2,379
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              20
<PAGE>

            PIMCO Renaissance Fund

- --------------------------------------------------------------------------------
Principal     Investment             Fund Focus           Approximate
Investments   Objective              Undervalued          Capitalization Range
and           Seeks long-term        stocks with          All capitalizations
Strategies    growth of capital      improving
              and income             business
                                     fundamentals
                                                          Dividend Frequency
              Fund Category          Approximate Number   Quarterly
              Value Stocks           of Holdings
                                     50-80

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of companies
            with below-average valuations whose business fundamentals are
            expected to improve. Although the Fund typically invests in
            companies with market capitalizations of $1 billion to $10 billion
            at the time of investment, it may invest in companies in any
            capitalization range. To achieve income, the Fund invests a
            portion of its assets in income-producing (e.g., dividend-paying)
            stocks.

             The portfolio manager selects stocks for the Fund using a "value"
            style. The portfolio manager invests primarily in common stocks of
            companies having below-average valuations whose business
            fundamentals, such as market share, strength of management and
            competitive position, are expected to improve. The portfolio
            manager determines valuation based on characteristics such as
            price-to-earnings, price-to-book, and price-to-cash flow ratios.
            The portfolio manager analyzes stocks and seeks to identify the
            key drivers of financial results and catalysts for change, such as
            new management and new or improved products, that indicate a
            company may demonstrate improving fundamentals in the future. The
            portfolio manager looks to sell a stock when he believes that the
            company's business fundamentals are weakening or when the stock's
            valuation has become excessive.

             The Fund may also invest in other kinds of equity securities,
            including preferred stocks and convertible securities. The Fund
            may invest up to 15% of its assets in foreign securities, usually
            in the form of American Depository Receipts (ADRs).

             In response to unfavorable market and other conditions, the Fund
            may make temporary investments of some or all of its assets in
            high-quality fixed income securities. This would be inconsistent
            with the Fund's investment objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

              .Market Risk           .Foreign Investment Risk  .Credit Risk
              .Issuer Risk           .Currency Risk            .Management Risk
              .Value Securities Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class C shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A shares (2/1/91) and
            Class B shares (5/22/95), performance information shown in the
            Average Annual Total Returns table for those classes is based on
            the performance of the Fund's Class C shares. The prior Class C
            performance has been adjusted to reflect the actual sales charges,
            distribution and/or service (12b-1) fees, administrative fees and
            other expenses paid by Class A and B shares. Prior to May 7, 1999,
            the Fund had a different sub-adviser and would not necessarily
            have achieved the performance results shown on the next page under
            its current investment management arrangements. Past performance
            is no guarantee of future results.
  PIMCO Funds: Multi-Manager Series
21
<PAGE>

            PIMCO Renaissance Fund (continued)

            Calendar Year Total Returns -- Class C


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (10/1/98-
                                                            12/31/98)     18.37%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)     -16.77%

                                    [GRAPH]

                            1990           -15.46%
                            1991            33.24%
                            1992             7.78%
                            1993            21.23%
                            1994            -5.05%
                            1995            27.61%
                            1996            24.40%
                            1997            34.90%
                            1998            10.72%
                            1999             9.02%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                            <C>    <C>     <C>      <C>
                                                                Fund Inception
                                        1 Year 5 Years 10 Years (4/18/88)(/3/)
            ------------------------------------------------------------------
         Class A                        3.79%  20.45%  13.92%   13.45%
            ------------------------------------------------------------------
         Class B                        4.66%  20.70%  13.97%   13.49%
            ------------------------------------------------------------------
         Class C                        8.16%  20.92%  13.70%   13.15%
            ------------------------------------------------------------------
         Russell 1000 Value Index(/1/)  7.34%  23.08%  15.60%   16.38%
            ------------------------------------------------------------------
         Lipper Equity Income Fund
          Average(/2/)                  4.77%  18.02%  12.85%   13.54%
            ------------------------------------------------------------------
</TABLE>
            (1) The Russell 1000 Value Index is an unmanaged index that
                measures the performance of companies in the Russell 1000
                Index with lower price-to-book ratios and lower forecasted
                growth values. It is not possible to invest directly in the
                index. The Russell 1000 Value Index replaced the S&P 500 Index
                (an unmanaged index of large capitalization common stocks) as
                the Fund's comparative index because PIMCO Advisors believes
                the Russell 1000 Value Index is more representative of the
                Fund's investment strategies. For periods ended December 31,
                1999, the 1 Year, 5 Years, 10 Years and Fund Inception average
                annual total returns of the S&P 500 Index were 21.04%, 28.56%,
                18.21% and 19.06%, respectively.
            (2) The Lipper Equity Income Fund Average is a total return
                performance average of funds tracked by Lipper Analytical
                Services, Inc. that seek relatively higher growth of income
                through investing 60% or more of their portfolios in equities.
                It does not take into account sales charges.
            (3) The Fund began operations on 4/18/88. Index comparisons begin
                on 4/30/88.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>
            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)
<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.60%    0.25%             0.40%         1.25%
            -----------------------------------------------------------------
         Class B      0.60     1.00              0.40          2.00
            -----------------------------------------------------------------
         Class C      0.60     1.00              0.40          2.00
            -----------------------------------------------------------------
</TABLE>
            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $670             $925             $1,199           $1,978            $670   $925   $1,199 $1,978
            -----------------------------------------------------------------------------------------------------------
         Class B       703              927              1,278            2,038             203    627    1,078  2,038
            -----------------------------------------------------------------------------------------------------------
         Class C       303              627              1,078            2,327             203    627    1,078  2,327
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              22
<PAGE>

            PIMCO Select Growth Fund

- --------------------------------------------------------------------------------
Principal     Investment            Fund Focus          Approximate
Investments   Objective             Larger              Capitalization Range
and           Seeks long-term       capitalization      At least $10 billion
Strategies    growth of             common stocks
              capital; income
              is an incidental
              consideration
                                    Approximate Number  Dividend Frequency
              Fund Category         of Holdings         At least annually
              Growth Stocks         15-25

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of "growth"
            companies with market capitalizations of at least $10 billion at
            the time of investment. The Fund normally invests in the
            securities of 15 to 25 issuers.

             The portfolio manager selects stocks for the Fund using a
            "growth" style. The portfolio manager seeks to identify companies
            with well-defined "wealth creating" characteristics, including
            superior earnings growth (relative to companies in the same
            industry or the market as a whole), high profitability and
            consistent, predictable earnings. In addition, through fundamental
            research, the portfolio manager seeks to identify companies that
            are gaining market share, have superior management and possess a
            sustainable competitive advantage, such as superior or innovative
            products, personnel and distribution systems. The Fund looks to
            sell a stock when the portfolio manager believes that its
            earnings, market sentiment or relative performance are
            disappointing or if an alternative investment is more attractive.
            The Fund is "non-diversified," which means that it invests in a
            relatively small number of issuers.

             The Fund may invest up to 25% of its assets in foreign
            securities, usually in the form of American Depository Receipts
            (ADRs). In response to unfavorable market and other conditions,
            the Fund may make temporary investments of some or all of its
            assets in high-quality fixed income securities. This would be
            inconsistent with the Fund's investment objective and principal
            strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

             .Market Risk              .Growth Securities Risk  .Credit Risk
             .Issuer Risk              .Foreign Investment Risk .Management Risk
             .Focused Investment Risk  .Currency Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Institutional Class shares,
            which are offered in a different prospectus. This is because the
            Fund did not offer Class A, B or C shares during the periods
            shown. Although Institutional Class and Class A, B and C shares
            would have similar annual returns (because all the Fund's shares
            represent interests in the same portfolio of securities),
            Institutional Class performance would be higher than Class A, B or
            C performance because of the lower expenses and no sales charges
            paid by Institutional Class shares. The Average Annual Total
            Returns table also shows estimated historical performance for
            Class A, B and C shares based on the performance of the Fund's
            Institutional Class shares, adjusted to reflect the actual sales
            charges (loads), distribution and/or service (12b-1) fees,
            administrative fees and other expenses paid by Class A, B and C
            shares. The performance information on the next page reflects the
            Fund's advisory fee level in effect prior to April 1, 2000 (0.57%
            per annum); these results would have been lower had the Fund's
            current advisory fee level (0.60% per annum) then been in effect.
            Prior to July 1, 1999, the Fund had a different sub-adviser and
            would not necessarily have achieved the performance results shown
            on the next page under its current investment management
            arrangements. In addition, the Fund changed its investment
            objective and policies on April 1, 2000; the performance results
            shown on the next page would not necessarily have been achieved
            had the Fund's current objective and policies then been in effect.
            Past performance is no guarantee of future results.
  PIMCO Funds: Multi-Manager Series
23
<PAGE>

            PIMCO Select Growth Fund (continued)

            Calendar Year Total Returns -- Institutional Class


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (10/01/98-
                                                            12/31/98)_____24.90%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)_____-11.38%

                                    [GRAPH]
                            1995            27.96%
                            1996            17.95%
                            1997            25.32%
                            1998            41.06%
                            1999            24.27%


                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                               <C>      <C>       <C>
                                                              Fund Inception
                                           1 Year   5 Years   (12/28/94)(/3/)
            -----------------------------------------------------------------
         Institutional Class               24.27%   27.09%    27.06%
            -----------------------------------------------------------------
         Class A                           16.97%   25.17%    25.14%
            -----------------------------------------------------------------
         Class B                           17.86%   25.50%    25.55%
            -----------------------------------------------------------------
         Class C                           21.86%   25.66%    25.63%
            -----------------------------------------------------------------
         S&P 500 Index(/1/)                21.04%   28.56%    28.56%
            -----------------------------------------------------------------
         Lipper Growth Fund Average(/2/)   29.23%   25.03%    25.03%
            -----------------------------------------------------------------
</TABLE>
            (1) The S&P 500 Index is an unmanaged index of large
                capitalization common stocks. It is not possible to invest
                directly in the index.
            (2) The Lipper Growth Fund Average is a total return performance
                average of funds tracked by Lipper Analytical Services, Inc.
                that invest in companies with long-term earnings expected to
                grow significantly faster than the earnings of the stocks
                represented in the major unmanaged stock indexes. It does not
                take into account sales charges.
            (3) The Fund began operations on 12/28/94. Index comparisons begin
                on 12/31/94.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>
            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.60%    0.25%             0.40%         1.25%
            -----------------------------------------------------------------
         Class B      0.60     1.00              0.40          2.00
            -----------------------------------------------------------------
         Class C      0.60     1.00              0.40          2.00
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $670             $925             $1,199           $1,978            $670   $925   $1,199 $1,978
            -----------------------------------------------------------------------------------------------------------
         Class B       703              927              1,278            2,038             203    627    1,078  2,038
            -----------------------------------------------------------------------------------------------------------
         Class C       303              627              1,078            2,327             203    627    1,078  2,327
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              24
<PAGE>

            PIMCO Small-Cap Value Fund

- --------------------------------------------------------------------------------
Principal     Investment           Fund Focus           Approximate
Investments   Objective            Undervalued          Capitalization Range
and           Seeks long-term      smaller              Between $50
Strategies    growth of            capitalization       million and$1.5
              capital and          common stocks        billion
              income

              Fund Category        Approximate          Dividend Frequency
              Value Stocks         Number of            At least
                                   Holdings             annually
                                   100

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of companies
            with market capitalizations of between $100 million and $1.5
            billion at the time of investment and below average P/E ratios
            relative to the market and their respective industry groups. To
            achieve income, the Fund invests a portion of its assets in
            income-producing (or dividend-paying) common stocks.

             The Fund's initial selection universe consists of approximately
            4,500 stocks of companies within the Fund's capitalization range.
            The portfolio managers screen this universe to identify
            approximately 500 undervalued stocks representing approximately
            160 industry groups. This screening process is based on a number
            of valuation factors, including P/E ratios (calculated both with
            respect to trailing operating earnings and forward earnings
            estimates) and price-to-sales, price-to-book value, and price-to-
            cash flow ratios. These factors are considered both on a relative
            basis (compared to other stocks in the same industry group) and on
            an absolute basis (compared to the overall market).

             From this narrowed universe, the portfolio managers select
            approximately 100 stocks for the Fund, each of which has close to
            equal weighting in the portfolio. They select stocks based on a
            quantitative analysis of factors including price momentum (based
            on changes in stock price relative to changes in overall market
            prices), earnings momentum (based on analysts' earnings per share
            estimates and revisions to those estimates), relative dividend
            yields and trading liquidity. The portfolio is also structured to
            have a maximum weighting of no more than 10% in any one industry.
            The portfolio managers may replace a stock if its market
            capitalization becomes excessive, if its valuation exceeds the
            average valuation of stocks represented in the S&P 500 Index, or
            when a stock within the same industry group has a considerably
            lower valuation than the Fund's current holding.

             Under normal circumstances, the Fund intends to be fully invested
            in common stocks (aside from certain cash management practices).
            The Fund may temporarily hold up to 10% of its assets in cash and
            cash equivalents for defensive purposes in response to unfavorable
            market and other conditions. This would be inconsistent with the
            Fund's investment objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

              .Market Risk           .Smaller Company Risk    .Credit Risk
              .Issuer Risk           .Liquidity Risk          .Management Risk
              .Value Securities Risk .Focused Investment Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class A shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A, B and C shares
            (1/20/97), performance information shown in the bar chart and
            tables for those classes is based on the performance of the Fund's
            Institutional Class shares, which are offered in a different
            prospectus. The prior Institutional Class performance has been
            adjusted to reflect the actual sales charges (in the Average
            Annual Total Returns table only), distribution and/or service
            (12b-1) fees, administrative fees and other expenses paid by Class
            A, B and C shares. Past performance is no guarantee of future
            results.
  PIMCO Funds: Multi-Manager Series
25
<PAGE>

            PIMCO Small-Cap Value Fund (continued)

            Calendar Year Total Returns -- Class A


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            -------------------
                                                            Highest (4/1/99-
                                                            6/30/99)     16.28%
                                                            -------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)    -18.71%


                                    [GRAPH]

                             1992           18.27%
                             1993           13.39%
                             1994           -4.07%
                             1995           24.98%
                             1996           27.22%
                             1997           34.47%
                             1998           -9.48%
                             1999           -6.82%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                 <C>     <C>     <C>
                                                             Fund Inception
                                             1 Year  5 Years (9/30/91)(/3/)
            ---------------------------------------------------------------
         Class A                             -11.95% 11.25%  10.77%
            ---------------------------------------------------------------
         Class B                             -12.08% 11.42%  10.83%
            ---------------------------------------------------------------
         Class C                             - 8.39% 11.69%  10.71%
            ---------------------------------------------------------------
         Russell 2000 Index(/1/)              21.25% 16.69%  14.97%
            ---------------------------------------------------------------
         Lipper Small-Cap Fund Average(/2/)   33.65% 19.63%  17.20%
            ---------------------------------------------------------------
</TABLE>

            (1) The Russell 2000 Index is a capitalization weighted broad
                based index of 2,000 small capitalization U.S. stock. It is
                not possible to invest directly in the index.
            (2) The Lipper Small-Cap Fund Average is a total return
                performance average of funds tracked by Lipper Analytical
                Services, Inc. that invest primarily in companies with market
                capitalizations of less than $1 billion at the time of
                investment. It does not take into account sales charges.
            (3) The Fund began operations on 9/30/91. Index comparisons begin
                on 10/1/91.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2)  The maximum CDSC is imposed on shares redeemed in the first
                 year. For shares held longer than one year, the CDSC declines
                 according to the schedule set forth under "Investment
                 Options--Class A, B and C Shares--Contingent Deferred Sales
                 Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.60%    0.25%             0.40%         1.25%
            -----------------------------------------------------------------
         Class B      0.60     1.00              0.40          2.00
            -----------------------------------------------------------------
         Class C      0.60     1.00              0.40          2.00
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $670             $925             $1,199           $1,978            $670   $925   $1,199 $1,978
            -----------------------------------------------------------------------------------------------------------
         Class B       703              927              1,278            2,038             203    627    1,078  2,038
            -----------------------------------------------------------------------------------------------------------
         Class C       303              627              1,078            2,327             203    627    1,078  2,327
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              26
<PAGE>

            PIMCO Target Fund

- --------------------------------------------------------------------------------
Principal     Investment          Fund Focus            Approximate
Investments   Objective           Medium                Capitalization Range
and           Seeks capital       capitalization        Between $1
Strategies    appreciation; no    common stocks         billion and $10
              consideration is                          billion
              given to income
                                  Approximate Number    Dividend Frequency
              Fund Category       of Holdings           At least annually
              Growth Stocks       40-60

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of "growth"
            companies with market capitalizations of between $1 billion and
            $10 billion at the time of investment.

             The portfolio managers select stocks for the Fund using a
            "growth" style. The portfolio managers seek to identify companies
            with well-defined "wealth creating" characteristics, including
            superior earnings growth (relative to companies in the same
            industry or the market as a whole), high profitability and
            consistent, predictable earnings. In addition, through fundamental
            research, the portfolio managers seek to identify companies that
            are gaining market share, have superior management and possess a
            sustainable competitive advantage, such as superior or innovative
            products, personnel and distribution systems. The Fund looks to
            sell a stock when the portfolio managers believe that its
            earnings, market sentiment or relative performance are
            disappointing or if an alternative investment is more attractive.

             The Fund may also invest in other kinds of equity securities,
            including preferred stocks and convertible securities. The Fund
            may invest up to 15% of its assets in foreign securities, usually
            in the form of American Depository Receipts (ADRs).

             In response to unfavorable market and other conditions, the Fund
            may make temporary investments of some or all of its assets in
            high-quality fixed income securities. This would be inconsistent
            with the Fund's investment objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

             .Market Risk             .Smaller Company Risk    .Currency Risk
             .Issuer Risk             .Liquidity Risk          .Credit Risk
             .Growth Securities Risk  .Foreign Investment Risk .Management Risk
             .Focused Investment Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class A shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class B shares (5/22/95),
            performance information shown in the Average Annual Total Returns
            table for that class is based on the performance of the Fund's
            Class A shares. The prior Class A performance has been adjusted to
            reflect the actual sales charges, distribution and/or service
            (12b-1) fees, administrative fees and other expenses paid by Class
            B shares. Prior to March 6, 1999, the Fund had a different sub-
            adviser and would not necessarily have achieved the performance
            results shown on the next page under its current investment
            management arrangements. Past performance is no guarantee of
            future results.
  PIMCO Funds: Multi-Manager Series
27
<PAGE>

            PIMCO Target Fund (continued)

            Calendar Year Total Returns -- Class A


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (10/1/99-
                                                            12/31/99)     53.05%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)     -13.15%

                                    [GRAPH]

                            1993            24.52%
                            1994             3.09%
                            1995            30.31%
                            1996            15.68%
                            1997            15.44%
                            1998            23.27%
                            1999            66.25%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                <C>      <C>       <C>
                                                               Fund Inception
                                            1 Year   5 Years   (12/17/92)(/3/)
            ------------------------------------------------------------------
         Class A                            57.10%   28.28%    24.13%
            ------------------------------------------------------------------
         Class B                            60.05%   28.62%    24.19%
            ------------------------------------------------------------------
         Class C                            64.05%   28.77%    24.19%
            ------------------------------------------------------------------
         S&P Mid-Cap 400 Index(/1/)         14.73%   23.05%    17.55%
            ------------------------------------------------------------------
         Lipper Mid-Cap Fund Average(/2/)   39.38%   23.07%    17.44%
            ------------------------------------------------------------------
</TABLE>

            (1) The S&P Mid-Cap 400 Index is an unmanaged index of middle
             capitalization U.S. stocks. It is not possible to invest directly
             in the index.
            (2) The Lipper Mid-Cap Fund Average is a total return performance
             average of funds tracked by Lipper Analytical Services, Inc. that
             invest primarily in companies with market capitalizations of less
             than $5 billion at the time of investment. It does not take into
             account sales charges.
            (3) The Fund began operations on 12/17/92. Index comparisons begin
             on 12/31/92.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.55%    0.25%             0.40%         1.20%
            -----------------------------------------------------------------
         Class B      0.55     1.00              0.40          1.95
            -----------------------------------------------------------------
         Class C      0.55     1.00              0.40          1.95
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
                class, which is subject to a reduction of 0.05% on average
                daily net assets attributable in the aggregate to the Fund's
                Class A, B and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $666             $910             $1,173           $1,925            $666   $910   $1,173 $1,925
            -----------------------------------------------------------------------------------------------------------
         Class B       698              912              1,252            1,984             198    612    1,052  1,984
            -----------------------------------------------------------------------------------------------------------
         Class C       298              612              1,052            2,275             198    612    1,052  2,275
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              28
<PAGE>

            PIMCO Tax-Efficient Equity Fund

- --------------------------------------------------------------------------------
Principal     Investment             Fund Focus           Approximate
Investments   Objective              A portion of the     Capitalization Range
and           Seeks maximum          common stocks        More than $5
Strategies    after-tax growth       represented in       billion
              of capital             the S&P 500 Index
                                                          Dividend Frequency
              Fund Category          Approximate Number   At least
              Enhanced Index         of Holdings          annually
                                     More than 200

            The Fund attempts to provide a total return which exceeds the
            return of the S&P 500 Index by investing in a broadly diversified
            portfolio of at least 200 common stocks. The Fund also attempts to
            achieve superior after-tax returns for its shareholders by using a
            variety of tax-efficient management strategies.

             The Fund seeks to achieve its investment objective by normally
            investing at least 95% of its assets in stocks represented in the
            S&P 500 Index. The Fund's portfolio is designed to have certain
            characteristics that are similar to those of the index, including
            such measures as dividend yield, P/E ratio, relative volatility,
            economic sector exposure, return on equity and market price-to-
            book value ratio. The Fund's return is intended to correlate
            highly with the return of the S&P 500 Index, but the portfolio
            managers attempt to produce a higher total return than the index
            by selecting a portion of the stocks represented in the index
            using the quantitative techniques described below. The portfolio
            managers also use these techniques to make sell decisions.
            Notwithstanding these strategies, there is no assurance that the
            Fund's investment performance will equal or exceed that of the S&P
            500 Index.

             The Fund intends to be fully invested in common stock (aside from
            certain cash management practices) and will not make defensive
            investments in response to unfavorable market and other
            conditions.

             Quantitative Techniques. The portfolio managers use a proprietary
            quantitative model that ranks companies based on long-term (5-10
            years) price appreciation potential. They analyze factors such as
            growth of sustainable earnings and dividend behavior. Stocks in
            the top 50% of the model's ranking are considered for purchase by
            the Fund. The Fund looks to sell stocks selected from the bottom
            20% of the model's ranking based on cost, current market value and
            anticipated benefit of replacement. The portfolio managers' sell
            discipline also focuses on reducing realized capital gains as
            indicated below.

             Tax-Efficient Strategies. The portfolio managers utilize a range
            of active tax management strategies designed to minimize the
            Fund's taxable distributions, including low portfolio turnover and
            favoring investments in low-dividend, growth-oriented companies.
            The portfolio managers also identify specific shares of stock to
            be sold that have the lowest tax cost. When prudent, stocks are
            also sold to realize capital losses in order to offset realized
            capital gains. In limited circumstances, the Fund may also
            distribute appreciated securities to shareholders to meet
            redemption requests so as to avoid realizing capital gains.
            Despite the use of these tax-efficient strategies, the Fund may
            realize gains and shareholders will incur tax liability from time
            to time.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

             . Market Risk           . Growth Securities Risk  . Credit Risk
             . Issuer Risk           . Leveraging Risk         . Management Risk
             . Value Securities Risk . Focused Investment Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class A shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            Past performance is no guarantee of future results.
  PIMCO Funds: Multi-Manager Series
29
<PAGE>

            PIMCO Tax-Efficient Equity Fund (continued)

            Calendar Year Total Returns -- Class A


                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (10/1/98-
                                                            12/31/98_____21.73%)
                                                            --------------------
                                                            Lowest (7/1/99-
                                                            9/30/99______-7.25%)

                                    [GRAPH]

                               1999       17.38%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                     <C>                  <C>
                                                                      Fund Inception
                                                 1 Year               (7/10/98)(/3/)
            ------------------------------------------------------------------------
         Class A                                 10.95%               11.10%
            ------------------------------------------------------------------------
         Class B                                 11.49%               11.99%
            ------------------------------------------------------------------------
         Class C                                 15.49%               14.54%
            ------------------------------------------------------------------------
         S&P 500 Index(/1/)                      21.04%               20.42%
            ------------------------------------------------------------------------
         Lipper Growth Fund Average(/2/)         29.23%               23.65%
            ------------------------------------------------------------------------
</TABLE>

            (1) The S&P 500 index is an unmanaged index of large
             capitalization U.S. stocks. It is not possible to invest directly
             in the index.
            (2) The Lipper Growth Fund Average is a total return performance
             average of funds tracked by Lipper Analytical Services, Inc. that
             invest primarily in companies with long-term earnings expected to
             grow significantly faster than the earnings of the stocks
             represented in the major unmanaged stock indexes. It does not
             take into account sales charges.
            (3) The Fund began operations on 7/10/98. Index comparisons begin
             on 6/30/98.

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

Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.45%    0.25%             0.40%         1.10%
            -----------------------------------------------------------------
         Class B      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
         Class C      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $656             $880             $1,123           $1,816            $656   $880   $1,123 $1,816
            -----------------------------------------------------------------------------------------------------------
         Class B       688              882              1,201            1,876             188    582    1,001  1,876
            -----------------------------------------------------------------------------------------------------------
         Class C       288              582              1,001            2,169             188    582    1,001  2,169
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              30
<PAGE>

            PIMCO Value Fund

- --------------------------------------------------------------------------------
Principal     Investment            Fund Focus            Approximate
Investments   Objective             Undervalued           Capitalization Range
and           Seeks long-term       larger                More than $10 billion
Strategies    growth of             capitalization
              capital and           stocks with
              income                improving
                                    fundamentals
                                                          Dividend Frequency
              Fund Category         Approximate Number    Quarterly
              Value Stocks          of Holdings
                                    40

            The Fund seeks to achieve its investment objective by normally
            investing at least 65% of its assets in common stocks of companies
            with market capitalizations of more than $10 billion at the time
            of investment and below-average valuations whose business
            fundamentals are expected to improve. To achieve income, the Fund
            invests a portion of its assets in income-producing (e.g.,
            dividend-paying) common stocks.

             The portfolio manager selects stocks for the Fund using a "value"
            style. The portfolio manager invests primarily in stocks of
            companies having below-average valuations whose business
            fundamentals are expected to improve. The portfolio manager
            determines valuation based on characteristics such as price-to-
            earnings, price-to-book, and price-to-cash flow ratios. The
            portfolio manager analyzes stocks and seeks to identify the key
            drivers of financial results and catalysts for change, such as new
            management and new or improved products, that indicate a company
            may demonstrate improving fundamentals in the future. The
            portfolio manager looks to sell a stock when he believes that the
            company's business fundamentals are weakening or when the stock's
            valuation has become excessive.

             The Fund may also invest in other kinds of equity securities,
            including preferred stocks and convertible securities. The Fund
            may invest up to 15% of its assets in foreign securities, usually
            in the form of American Depository Receipts (ADRs). In response to
            unfavorable market and other conditions, the Fund may make
            temporary investments of some or all of its assets in high-quality
            fixed income securities. This would be inconsistent with the
            Fund's investment objective and principal strategies.

- --------------------------------------------------------------------------------
Principal   Among the principal risks of investing in the Fund, which could
Risks       adversely affect its net asset value, yield and total return, are:

             . Market Risk           . Foreign Investment Risk . Credit Risk
             . Issuer Risk           . Currency Risk           . Management Risk
             . Value Securities Risk

            Please see "Summary of Principal Risks" following the Fund
            Summaries for a description of these and other risks of investing
            in the Fund.

- --------------------------------------------------------------------------------
Performance The top of the next page shows summary performance information for
Information the Fund in a bar chart and an Average Annual Total Returns table.
            The information provides some indication of the risks of investing
            in the Fund by showing changes in its performance from year to
            year and by showing how the Fund's average annual returns compare
            with the returns of a broad-based securities market index and an
            index of similar funds. The bar chart and the information to its
            right show performance of the Fund's Class A shares, but the
            returns do not reflect the impact of sales charges (loads). If
            they did, the returns would be lower than those shown. Unlike the
            bar chart, performance for Class A, B and C shares in the Average
            Annual Total Returns table reflects the impact of sales charges.
            For periods prior to the inception of Class A, B and C shares
            (1/13/97), performance information shown in the bar chart and
            tables for those classes is based on the performance of the Fund's
            Institutional Class shares, which are offered in a different
            prospectus. The prior Institutional Class performance has been
            adjusted to reflect the actual sales charges (in the Average
            Annual Total Returns table only), distribution and/or service
            (12b-1) fees, administrative fees and other expenses paid by Class
            A, B and C shares. The Fund is expected to change sub-advisers on
            or about May 8, 2000. The Fund would not necessarily have achieved
            the performance results shown on the next page under its expected
            new investment management arrangements. Past performance is no
            guarantee of future results.
  PIMCO Funds: Multi-Manager Series
31
<PAGE>

            PIMCO Value Fund (continued)

            Calendar Year Total Returns -- Class A



                                                            Highest and Lowest
                                                            Quarter Returns
                                                            (for periods shown
                                                            in the bar chart)
                                                            --------------------
                                                            Highest (4/1/99-
                                                            6/30/99)      17.73%
                                                            --------------------
                                                            Lowest (7/1/98-
                                                            9/30/98)     -13.27%

                                    [GRAPH]

                             1992          12.70%
                             1993          15.94%
                             1994          -4.46%
                             1995          38.37%
                             1996          19.87%
                             1997          25.71%
                             1998           9.76%
                             1999           3.81%

                  Calendar Year End (through 12/31)

            Average Annual Total Returns (for periods ended 12/31/99)
<TABLE>
         <S>                                         <C>     <C>     <C>
                                                                     Fund Inception
                                                     1 Year  5 Years (12/30/91)(/3/)
            ------------------------------------------------------------------------
         Class A                                      -1.90% 17.55%  13.84%
            ------------------------------------------------------------------------
         Class B                                      -1.16% 17.80%  13.91%
            ------------------------------------------------------------------------
         Class C                                      2.21%  18.02%  13.81%
            ------------------------------------------------------------------------
         S&P 500 Index(/1/)                          21.04%  28.56%  19.70%
            ------------------------------------------------------------------------
         Lipper Growth and Income Fund Average(/2/)  13.71%  21.37%  15.51%
            ------------------------------------------------------------------------
</TABLE>

            (1) The S&P 500 Index is an unmanaged index of large
                capitalization common stocks. It is not possible to invest
                directly in the index.
            (2) The Lipper Growth and Income Fund Average is a total return
                performance average of funds tracked by Lipper Analytical
                Services, Inc. that combine a growth-of-earnings orientation
                and an income requirement for level and/or rising dividends.
                It does not take into account sales charges.
            (3) The Fund began operations on 12/30/91. Index comparisons begin
                on 12/31/91.

- --------------------------------------------------------------------------------
Fees and    These tables describe the fees and expenses you may pay if you buy
Expenses    and hold Class A, B or C shares of the Fund:
of the
Fund

            Shareholder Fees (fees paid directly from your investment)

<TABLE>
         <S>      <C>                                              <C>
                  Maximum Sales Charge (Load) Imposed              Maximum Contingent Deferred Sales Charge (Load)
                  on Purchases (as a percentage of offering price) (as a percentage of original purchase price)
            ------------------------------------------------------------------------------------------------------
         Class A  5.50%                                            1%(/1/)
            ------------------------------------------------------------------------------------------------------
         Class B  None                                             5%(/2/)
            ------------------------------------------------------------------------------------------------------
         Class C  None                                             1%(/3/)
            ------------------------------------------------------------------------------------------------------
</TABLE>

            (1) Imposed only in certain circumstances where Class A shares are
                purchased without a front-end sales charge at the time of
                purchase.
            (2) The maximum CDSC is imposed on shares redeemed in the first
                year. For shares held longer than one year, the CDSC declines
                according to the schedule set forth under "Investment
                Options--Class A, B and C Shares--Contingent Deferred Sales
                Charges (CDSCs)--Class B Shares."
            (3) The CDSC on Class C shares is imposed only on shares redeemed
                in the first year.

            Annual Fund Operating Expenses (expenses that are deducted from
            Fund assets)

<TABLE>
         <S>          <C>      <C>               <C>           <C>
                               Distribution                    Total Annual
                      Advisory and/or Service    Other         Fund Operating
         Share Class  Fees     (12b-1) Fees(/1/) Expenses(/2/) Expenses
            -----------------------------------------------------------------
         Class A      0.45%    0.25%             0.40%         1.10%
            -----------------------------------------------------------------
         Class B      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
         Class C      0.45     1.00              0.40          1.85
            -----------------------------------------------------------------
</TABLE>

            (1) Due to the 12b-1 distribution fee imposed on Class B and Class
                C shares, a Class B or Class C shareholders may, depending
                upon the length of time the shares are held, pay more than the
                economic equivalent of the maximum front-end sales charges
                permitted by relevant rules of the National Association of
                Securities Dealers, Inc.
            (2) Other Expenses reflects a 0.40% Administrative Fee paid by the
             class, which is subject to a reduction of 0.05% on average daily
             net assets attributable in the aggregate to the Fund's Class A, B
             and C shares in excess of $2.5 billion.

            Examples. The Examples are intended to help you compare the cost
            of investing in Class A, B or C shares of the Fund with the costs
            of investing in other mutual funds. The Examples assume that you
            invest $10,000 in the noted class of shares for the time periods
            indicated, your investment has a 5% return each year, the
            reinvestment of all dividends and distributions, and the Fund's
            operating expenses remain the same. Although your actual costs may
            be higher or lower, the Examples show what your costs would be
            based on these assumptions.

<TABLE>
<CAPTION>
                                                                                           Example: Assuming you do not
                      Example: Assuming you redeem your shares at the end of each period   redeem your shares
         <S>          <C>              <C>              <C>              <C>               <C>    <C>    <C>    <C>
         Share Class  Year 1           Year 3           Year 5           Year 10           Year 1 Year 3 Year 5 Year 10
            -----------------------------------------------------------------------------------------------------------
         Class A      $656             $880             $1,123           $1,816            $656   $880   $1,123 $1,816
            -----------------------------------------------------------------------------------------------------------
         Class B       688              882              1,201            1,876             188    582    1,001  1,876
            -----------------------------------------------------------------------------------------------------------
         Class C       288              582              1,001            2,169             188    582    1,001  2,169
            -----------------------------------------------------------------------------------------------------------
</TABLE>
                                                                   Prospectus
                                                                              32
<PAGE>

            Summary of Principal Risks

            The value of your investment in a Fund changes with the values of
            that Fund's investments. Many factors can affect those values. The
            factors that are most likely to have a material effect on a
            particular Fund's portfolio as a whole are called "principal
            risks." The principal risks of each Fund are identified in the
            Fund Summaries and are summarized in this section. Each Fund may
            be subject to additional principal risks and risks other than
            those described below because the types of investments made by a
            Fund can change over time. Securities and investment techniques
            mentioned in this summary and described in greater detail under
            "Characteristics and Risks of Securities and Investment
            Techniques" appear in bold type. That section and "Investment
            Objectives and Policies" in the Statement of Additional
            Information also include more information about the Funds, their
            investments and the related risks. There is no guarantee that a
            Fund will be able to achieve its investment objective.

Market      The market price of securities owned by a Fund may go up or down,
Risk        sometimes rapidly or unpredictably. Each of the Funds normally
            invests most of its assets in common stocks and/or other equity
            securities. A principal risk of investing in each Fund is that the
            equity securities in its portfolio will decline in value due to
            factors affecting equity securities markets generally or
            particular industries represented in those markets. The values of
            equity securities may decline due to general market conditions
            which are not specifically related to a particular company, such
            as real or perceived adverse economic conditions, changes in the
            general outlook for corporate earnings, changes in interest or
            currency rates or adverse investor sentiment generally. They may
            also decline due to factors which affect a particular industry or
            industries, such as labor shortages or increased production costs
            and competitive conditions within an industry. Equity securities
            generally have greater price volatility than fixed income
            securities.

Issuer      The value of a security may also decline for a number of reasons
Risk        which directly relate to the issuer, such as management
            performance, financial leverage and reduced demand for the
            issuer's goods or services.

Value       Each Fund may invest in companies that may not be expected to
Securities  experience significant earnings growth, but whose securities its
Risk        portfolio manager believes are selling at a price lower than their
            true value. The Capital Appreciation, Equity Income, Mid-Cap,
            Renaissance, Small-Cap Value and Value Funds place particular
            emphasis on value securities. Companies that issue value
            securities may have experienced adverse business developments or
            may be subject to special risks that have caused their securities
            to be out of favor. If a portfolio manager's assessment of a
            company's prospects is wrong, or if the market does not recognize
            the value of the company, the price of its securities may decline
            or may not approach the value that the portfolio manager
            anticipates.

Growth      Each Fund may invest in equity securities of companies that its
Securities  portfolio manager believes will experience relatively rapid
Risk        earnings growth. The Capital Appreciation, Global Innovation,
            Growth, Innovation, Mid-Cap, Opportunity, Select Growth and Target
            Funds place particular emphasis on growth securities. Growth
            securities typically trade at higher multiples of current earnings
            than other securities. Therefore, the values of growth securities
            may be more sensitive to changes in current or expected earnings
            than the values of other securities.

Smaller     The general risks associated with equity securities and liquidity
Company     risk are particularly pronounced for securities of companies with
Risk        smaller market capitalizations. These companies may have limited
            product lines, markets or financial resources or they may depend
            on a few key employees. Securities of smaller companies may trade
            less frequently and in lesser volume than more widely held
            securities and their values may fluctuate more sharply than other
            securities. They may also trade in the over-the-counter market or
            on a regional exchange, or may otherwise have limited liquidity.
            The Global Innovation, Innovation, Opportunity and Small-Cap Value
            Funds generally have substantial exposure to this risk. The Mid-
            Cap and Target Funds also have significant exposure to this risk
            because they invest substantial assets in companies with medium-
            sized market capitalizations, which are smaller and generally
            less-seasoned than the largest companies.

Liquidity   All of the Funds are subject to liquidity risk. Liquidity risk
Risk        exists when particular investments are difficult to purchase or
            sell, possibly preventing a Fund from selling such illiquid
            securities at an advantageous time or price. Funds with principal
            investment strategies that involve securities of companies with
            smaller market capitalizations, foreign securities, derivatives or
            securities with substantial market and/or credit risk tend to have
            the greatest exposure to liquidity risk.

  PIMCO Funds: Multi-Manager Series
33
<PAGE>

Derivatives All Funds except the Capital Appreciation, Mid-Cap and Small-Cap
Risk        Value Funds may use derivatives, which are financial contracts
            whose value depends on, or is derived from, the value of an
            underlying asset, reference rate or index. The various derivative
            instruments that the Funds may use are referenced under
            "Characteristics and Risks of Securities and Investment
            Techniques--Derivatives" in this Prospectus and described in more
            detail under "Investment Objectives and Policies" in the Statement
            of Additional Information. The Funds may sometimes use derivatives
            as part of a strategy designed to reduce exposure to other risks,
            such as interest rate or currency risk. The Funds may also use
            derivatives for leverage, which increases opportunities for gain
            but also involves greater risk of loss due to leveraging risk. A
            Fund's use of derivative instruments involves risks different
            from, or possibly greater than, the risks associated with
            investing directly in securities and other traditional
            investments. Derivatives are subject to a number of risks
            described elsewhere in this section, such as liquidity risk,
            market risk, credit risk and management risk. They also involve
            the risk of mispricing or improper valuation and the risk that
            changes in the value of the derivative may not correlate perfectly
            with the underlying asset, rate or index. In addition, a Fund's
            use of derivatives may increase or accelerate the amount of taxes
            payable by shareholders. A Fund investing in a derivative
            instrument could lose more than the principal amount invested.
            Also, suitable derivative transactions may not be available in all
            circumstances and there can be no assurance that a Fund will
            engage in these transactions to reduce exposure to other risks
            when that would be beneficial.

Foreign     A Fund that invests in foreign securities, and particularly the
(non-       Global Innovation and International Funds, may experience more
U.S.)       rapid and extreme changes in value than Funds that invest
Investment  exclusively in securities of U.S. issuers or securities that trade
Risk        exclusively in U.S. markets. The securities markets of many
            foreign countries are relatively small, with a limited number of
            companies representing a small number of industries. Additionally,
            issuers of foreign securities are usually not subject to the same
            degree of regulation as U.S. issuers. Reporting, accounting and
            auditing standards of foreign countries differ, in some cases
            significantly, from U.S. standards. Also, nationalization,
            expropriation or confiscatory taxation, currency blockage,
            political changes or diplomatic developments could adversely
            affect a Fund's investments in a foreign country. In the event of
            nationalization, expropriation or other confiscation, a Fund could
            lose its entire investment in foreign securities. To the extent
            that a Fund, such as the Global Innovation Fund or International
            Fund, invests a significant portion of its assets in a narrowly
            defined area such as Europe, Asia or South America, the Fund will
            generally have more exposure to regional economic risks associated
            with foreign investments. Adverse conditions in certain regions
            (such as Southeast Asia) can also adversely affect securities of
            other countries whose economies appear to be unrelated. In
            addition, special U.S. tax considerations may apply to a Fund's
            investment in foreign securities.

Emerging    Foreign investment risk may be particularly high to the extent
Markets     that a Fund invests in emerging market securities of issuers based
Risk        in countries with developing economies. These securities may
            present market, credit, currency, liquidity, legal, political and
            other risks different from, or greater than, the risks of
            investing in developed foreign countries. The Global Innovation
            and International Funds may invest significant portions of their
            assets in emerging market securities.

Currency    Funds that invest directly in foreign currencies or in securities
Risk        that trade in, and receive revenues in, foreign currencies are
            subject to the risk that those currencies will decline in value
            relative to the U.S. Dollar, or, in the case of hedging positions,
            that the U.S. Dollar will decline in value relative to the
            currency being hedged. The Global Innovation and International
            Funds are particularly sensitive to currency risk. Currency rates
            in foreign countries may fluctuate significantly over short
            periods of time for a number of reasons, including changes in
            interest rates, intervention (or the failure to intervene) by U.S.
            or foreign governments, central banks or supranational entities
            such as the International Monetary Fund, or by the imposition of
            currency controls or other political developments in the U.S. or
            abroad.

Focused     Focusing Fund investments in a small number of issuers, industries
Investment  or foreign currencies increases risk. Funds, such as the Select
Risk        Growth Fund, that are "non-diversified" because they invest in a
            relatively small number of issuers may have more risk because
            changes in the value of a single security or the impact of a
            single economic, political or regulatory occurrence may have a
            greater adverse impact on the Fund's net asset value. Some of
            those issuers also may present substantial credit or other risks.
            The Global Innovation and International Funds may be subject to
            increased risk to the extent that they focus their investments in
            securities denominated in a particular foreign currency or in a
            narrowly defined geographic area outside the U.S. Similarly, the
            Global Innovation and Innovation Funds are vulnerable to events
            affecting companies which use innovative
                                                                   Prospectus
                                                                              34
<PAGE>

            technologies to gain a strategic, competitive advantage in their
            industry and companies that provide and service those technologies
            because these Funds normally "concentrate" their investments in
            those companies. Also, the Funds may from time to time have
            greater risk because they invest a substantial portion of their
            assets in related industries such as "technology" or "financial
            and business services."

Leveraging  The Funds, and in particular the Global Innovation, International
Risk        and Tax-Efficient Equity Funds, may engage in transactions or
            purchase instruments that give rise to forms of leverage. Such
            transactions and instruments may include, among others, the use of
            reverse repurchase agreements and other borrowings, the investment
            of collateral from loans of portfolio securities, or the use of
            when-issued, delayed-delivery or forward commitment transactions.
            The use of derivatives may also involve leverage. Leverage,
            including borrowing, will cause the value of a Fund's shares to be
            more volatile than if the Fund did not use leverage. This is
            because leverage tends to exaggerate the effect of any increase or
            decrease in the value of a Fund's portfolio securities. The use of
            leverage may also cause a Fund to liquidate portfolio positions
            when it would not be advantageous to do so in order to satisfy its
            obligations or to meet segregation requirements.

Interest    To the extent that Funds purchase fixed income securities for
Rate Risk   investment or defensive purposes, they will be subject to interest
            rate risk, a market risk relating to investments in fixed income
            securities such as bonds and notes. As interest rates rise, the
            value of fixed income securities in a Fund's portfolio are likely
            to decrease.

Credit      All of the Funds are subject to credit risk. This is the risk that
Risk        the issuer or the guarantor of a fixed income security, or the
            counterparty to a derivatives contract, repurchase agreement or a
            loan of portfolio securities, is unable or unwilling to make
            timely principal and/or interest payments, or to otherwise honor
            its obligations. Securities are subject to varying degrees of
            credit risk, which are often reflected in their credit ratings.

Management  Each Fund is subject to management risk because it is an actively
Risk        managed investment portfolio. PIMCO Advisors, the Sub-Advisers and
            each individual portfolio manager will apply investment techniques
            and risk analyses in making investment decisions for the Funds,
            but there can be no guarantee that these will produce the desired
            results.

            Management of the Funds

Investment  PIMCO Advisors serves as the investment adviser and the
Adviser     administrator (serving in its capacity as administrator, the
and         "Administrator") for the Funds. Subject to the supervision of the
Admin-      Board of Trustees, PIMCO Advisors is responsible for managing,
istrator    either directly or through others selected by it, the investment
            activities of the Funds and the Funds' business affairs and other
            administrative matters.

             PIMCO Advisors is located at 800 Newport Center Drive, Newport
            Beach, California 92660. Organized in 1987, PIMCO Advisors
            provides investment management and advisory services to private
            accounts of institutional and individual clients and to mutual
            funds. As of December 31, 1999, PIMCO Advisors and its subsidiary
            partnerships had more than $261 billion in assets under
            management.

             PIMCO Advisors has retained investment management firms ("Sub-
            Advisers") to manage each Fund's investments, except that the
            PIMCO Equity Advisors division of PIMCO Advisors manages the
            investments of the Equity Income, Global Innovation, Growth,
            Innovation, Opportunity, Renaissance, Select Growth, Target and
            Value Funds (PIMCO Equity Advisors is also referred to as a "Sub-
            Adviser" in this capacity). See "Sub-Advisers" below.

             PIMCO Advisors has retained its affiliate, Pacific Investment
            Management Company, to provide various administrative and other
            services required by the Funds in its capacity as sub-
            administrator. PIMCO Advisors and the sub-administrator may retain
            other affiliates to provide certain of these services.

Advisory    Each Fund pays PIMCO Advisors fees in return for providing or
Fees        arranging for the provision of investment advisory services. In
            the case of Funds for which PIMCO Advisors has retained a separate
            Sub-Adviser, PIMCO Advisors (and not the Fund) pays a portion of
            the advisory fees it receives to the Sub-Adviser in return for its
            services.
  PIMCO Funds: Multi-Manager Series
35
<PAGE>

             For the fiscal year ended June 30, 1999, the Funds paid monthly
            advisory fees to PIMCO Advisors at the following annual rates
            (stated as a percentage of the average daily net assets of each
            Fund taken separately):


<TABLE>
<CAPTION>
         Fund                                          Advisory Fees
            ----------------------------------------------------------------
         <S>                                           <C>
         Capital Appreciation, Equity Income, Mid-Cap
          and Value Funds                                  0.45%
         Growth Fund                                       0.50%
         International and Target Funds                    0.55%
         Select Growth                                     0.57%*
         Renaissance and Small-Cap Value Funds             0.60%
         Innovation and Opportunity Funds                  0.65%
</TABLE>
            * On April 1, 2000, the advisory fee rate for the Select Growth
              Fund increased to 0.60% per annum.

             The Global Innovation and Tax-Efficient Equity Funds were not
            operational during the entire fiscal year ended June 30, 1999. The
            annual investment advisory fee rates payable by these Funds are as
            follows (stated as a percentage of the average daily net assets of
            each Fund taken separately): Global Innovation--1.00%; Tax-
            Efficient Equity--0.45%.

Admin-      Each Fund pays for the administrative services it requires under a
istrative   fee structure which is essentially fixed. Class A, Class B and
Fees        Class C shareholders of each Fund pay an administrative fee to
            PIMCO Advisors, computed as a percentage of the Fund's assets
            attributable in the aggregate to those classes of shares. PIMCO
            Advisors, in turn, provides or procures administrative services
            for Class A, Class B and Class C shareholders and also bears the
            costs of various third-party services required by the Funds,
            including audit, custodial, portfolio accounting, legal, transfer
            agency and printing costs. The result of this fee structure is an
            expense level for Class A, Class B and Class C shareholders of
            each Fund that, with limited exceptions, is precise and
            predictable under ordinary circumstances.

             For the fiscal year ended June 30, 1999, Class A, B and C
            shareholders of the Funds paid PIMCO Advisors monthly
            administrative fees at the following annual rates (stated as a
            percentage of the average daily net assets attributable in the
            aggregate to the Fund's Class A, Class B and Class C shares):


<TABLE>
<CAPTION>
         Fund                Administrative Fees*
            -----------------------------------------
         <S>                 <C>                  <C>
         International Fund          0.65%
         All Other Funds**           0.40%
</TABLE>

            * The Administrative Fee rate for each Fund is subject to a
              reduction of 0.05% per year on average daily net assets
              attributable in the aggregate to the Fund's Class A, B and C
              shares in excess of $2.5 billion.
            ** The Global Innovation and Tax-Efficient Equity Funds were not
               operational during the entire fiscal year ended June 30, 1999.
               Class A, B and C shareholders of these Funds pay administrative
               fees at the annual rate of 0.60% and 0.40%, respectively, based
               on average daily net assets attributable in the aggregate to
               the Fund's Class A, Class B and Class C shares up to $2.5
               billion, and 0.55% and 0.35%, respectively, based on such
               average daily net assets in excess of $2.5 billion.

Sub-        Each Sub-Adviser has full investment discretion and makes all
Advisers    determinations with respect to the investment of a Fund's assets.
            The following provides summary information about each Sub-Adviser,
            including the Fund(s) it manages.


<TABLE>
<CAPTION>
         Sub-Adviser*              Funds
            ----------------------------------------------------------------------------
         <S>                       <C>
         PIMCO Equity Advisors     Global Innovation, Equity Income, Growth, Innovation,
         division of PIMCO
         Advisors ("PIMCO Equity
         Advisors")
         1345 Avenue of the        Opportunity, Renaissance, Select Growth,
         Americas, 50th Floor
         New York, NY 10105        Target and Value
            ----------------------------------------------------------------------------
         Cadence Capital           Capital Appreciation and Mid-Cap
         Management ("Cadence")
         Exchange Place, 53 State
         Street
         Boston, MA 02109
            ----------------------------------------------------------------------------
         NFJ Investment Group      Small-Cap Value
         ("NFJ")
         2121 San Jacinto, Suite
         1840
         Dallas, TX 75201
            ----------------------------------------------------------------------------
         Parametric Portfolio      Tax-Efficient Equity
         Associates
         ("Parametric")
         7310 Columbia Center,
         701 Fifth Avenue
         Seattle, WA 98104
            ----------------------------------------------------------------------------
         Blairlogie Capital        International
         Management
         ("Blairlogie")
         4th Floor, 125 Princes
         Street
         Edinburgh EH2 4AD,
         Scotland
</TABLE>
            * PIMCO Equity Advisors is a division of PIMCO Advisors. With the
              exception of Blairlogie, each of the other Sub-Advisers is an
              affiliated sub-partnership of PIMCO Advisors.
                                                                   Prospectus
                                                                              36
<PAGE>

            The following provides additional information about each Sub-
            Adviser and the individual portfolio managers who have or share
            primary responsibility for managing the Funds' investments.

PIMCO       A division of PIMCO Advisors, PIMCO Equity Advisors provides
Equity      equity-related advisory services to mutual funds and institutional
Advisors    accounts. See "Investment Adviser and Administrator" above for
            additional information about PIMCO Advisors.

            The following individuals at PIMCO Equity Advisors have primary
            responsibility for the noted Funds. A different sub-advisory firm
            served as Sub-Adviser for the Growth, Innovation, Opportunity and
            Target Funds prior to March 6, 1999, for the Renaissance Fund
            prior to May 7, 1999, and for the Select Growth Fund prior to July
            1, 1999. In addition, on or about May 8, 2000, it is expected that
            PIMCO Equity Advisors will assume the position of Sub-Adviser to
            the Equity Income and Value Funds from NFJ, the Funds' current
            Sub-Adviser.


<TABLE>
<CAPTION>
         Fund              Portfolio Managers          Since             Recent Professional Experience
            -------------------------------------------------------------------------------------------
         <C>               <C>                         <C>               <S>
         Equity Income     Kenneth W. Corba            2000*                Managing Director and
                                                                            Chief Investment Officer
                                                                            of PIMCO Equity Advisors
                                                                            and a Member of the
                                                                            Management Board of
                                                                            PIMCO Advisors. Prior to
                                                                            joining PIMCO Advisors,
                                                                            he was with Eagle Asset
                                                                            Management from 1995 to
                                                                            1998, serving in various
                                                                            capacities including as
                                                                            Chief Investment Officer
                                                                            and Portfolio Manager.
                                                                            He was with Stein Roe
                                                                            and Farnham Inc. from
                                                                            1984 to 1995, serving in
                                                                            various capacities
                                                                            including as Director of
                                                                            the Capital Management
                                                                            Group, Senior Vice
                                                                            President and Portfolio
                                                                            Manager.
         Global Innovation Dennis P. McKechnie         1999 (inception)+    Portfolio Manager of
                                                                            PIMCO Equity Advisors.
                                                                            Prior to joining PIMCO
                                                                            Advisors, he was with
                                                                            Columbus Circle
                                                                            Investors from 1991 to
                                                                            1999, where he managed
                                                                            equity accounts and
                                                                            served in various
                                                                            capacities including as
                                                                            Portfolio Manager for
                                                                            the Innovation Fund.
         Growth            Mr. Corba                   1999                 See above.
         Innovation        Mr. McKechnie               1998                 See above.
         Opportunity       Michael F. Gaffney          1999                 Managing Director of
                                                                            PIMCO Equity Advisors,
                                                                            where he manages the
                                                                            Opportunity Fund and
                                                                            other small-cap
                                                                            products. Prior to
                                                                            joining PIMCO Advisors,
                                                                            he was with Alliance
                                                                            Capital Management L.P.
                                                                            from 1993 to 1999,
                                                                            serving in various
                                                                            capacities including as
                                                                            Senior Vice President
                                                                            and Portfolio Manager.
         Renaissance       John K. Schneider           1999                 Senior Portfolio Manager
                                                                            of PIMCO Equity
                                                                            Advisors. Prior to
                                                                            joining PIMCO Advisors,
                                                                            he was a partner and
                                                                            Portfolio Manager of
                                                                            Schneider Capital
                                                                            Management from 1996 to
                                                                            1999, where he managed
                                                                            equity accounts for
                                                                            various institutional
                                                                            clients. Prior to that
                                                                            he was a member of the
                                                                            Equity Policy Committee
                                                                            and Director of Research
                                                                            at Newbold's Asset
                                                                            Management from 1991 to
                                                                            1996.
         Select Growth     Messrs. Corba and Schneider 1999                 See above.
         Target            Mr. Corba                   1999                 See above.
                           Jeff Parker                 1999                 Assistant Portfolio
                                                                            Manager and Research
                                                                            Analyst for PIMCO Equity
                                                                            Advisors. Prior to
                                                                            joining PIMCO Equity
                                                                            Advisors, he managed
                                                                            equity accounts as an
                                                                            Assistant Portfolio
                                                                            Manager at Eagle Asset
                                                                            Management from 1996 to
                                                                            1998. He was a Senior
                                                                            Consultant with Andersen
                                                                            Consulting, specializing
                                                                            in healthcare and
                                                                            technology, from 1991 to
                                                                            1994.
         Value             Mr. Schneider               2000*                See above.
</TABLE>
            -------
            * Expected.
            + Prior to PIMCO Advisors and PIMCO Equity Advisors assuming their
              positions as Adviser and Sub-Adviser, respectively, of the
              Global Innovation Fund, Mr. McKechnie managed the Fund's
              portfolio in his capacity as an officer of the Trust.

Cadence     An affiliated subpartnership of PIMCO Advisors, Cadence provides
            advisory services to mutual funds and institutional accounts.
            Cadence Capital Management Corporation, the predecessor investment
            adviser to Cadence, commenced operations in 1988. Accounts managed
            by Cadence had combined assets as of December 31, 1999 of
            approximately $6.4 billion.
  PIMCO Funds: Multi-Manager Series
37
<PAGE>

             The following individuals at Cadence share primary responsibility
            for each of the noted Funds.


<TABLE>
<CAPTION>
                                                                           Recent Professional
         Fund                 Portfolio Managers         Since             Experience
            ---------------------------------------------------------------------------------------------
         <C>                  <C>                        <C>               <S>
         Capital Appreciation David B. Breed             1991 (Inception)  Managing Director, Chief
                                                                           Executive Officer, Chief
                                                                           Investment Officer and
                                                                           founding partner of
                                                                           Cadence. Member of the
                                                                           Management Board of
                                                                           PIMCO Advisors. He is a
                                                                           research generalist and
                                                                           has lead the team of
                                                                           portfolio managers and
                                                                           analysts since 1988. Mr.
                                                                           Breed has managed
                                                                           separate equity accounts
                                                                           for many institutional
                                                                           clients and has lead the
                                                                           team that manages the
                                                                           PIMCO Funds sub-advised
                                                                           by Cadence since those
                                                                           Funds' inception dates.
                              William B. Bannick         1992              Managing Director and
                                                                           Executive Vice President
                                                                           at Cadence. Mr. Bannick
                                                                           is a research generalist
                                                                           and Senior Portfolio
                                                                           Manager for the Cadence
                                                                           team. He has managed
                                                                           separately managed
                                                                           equity accounts for
                                                                           various Cadence
                                                                           institutional clients
                                                                           and has been a member of
                                                                           the team that manages
                                                                           the PIMCO Funds sub-
                                                                           advised by Cadence since
                                                                           joining Cadence in 1992.
                              Katherine A. Burdon        1993              Managing Director and
                                                                           Senior Portfolio Manager
                                                                           at Cadence. Ms. Burdon
                                                                           is a research generalist
                                                                           and has managed
                                                                           separately managed
                                                                           equity accounts for
                                                                           various Cadence
                                                                           institutional clients
                                                                           and has been a member of
                                                                           the team that manages
                                                                           the PIMCO Funds sub-
                                                                           advised by Cadence since
                                                                           joining Cadence in 1993.
                              Peter B. McManus           1994              Director, Account
                                                                           Management at Cadence.
                                                                           He has been a member of
                                                                           the investment team at
                                                                           Cadence and handles
                                                                           client relationships of
                                                                           separately managed
                                                                           accounts, and has been a
                                                                           member of the team that
                                                                           manages the PIMCO Funds
                                                                           sub-advised by Cadence
                                                                           since joining Cadence in
                                                                           1994. Previously, he
                                                                           served as a Vice
                                                                           President of Bank of
                                                                           Boston from 1991 to
                                                                           1994.
         Mid-Cap              Messrs. Breed, Bannick and Same as Capital   See above.
                              McManus and Ms. Burdon     Appreciation Fund



NFJ         An affiliated sub-partnership of PIMCO Advisors, NFJ provides
            advisory services to mutual funds and institutional accounts. NFJ
            Investment Group, Inc., the predecessor investment adviser to NFJ,
            commenced operations in 1989. Accounts managed by NFJ had combined
            assets as of December 31, 1999 of approximately $2.1 billion.

             The following individuals at NFJ share primary responsibility for
            the noted Fund.


<CAPTION>
         Fund                 Portfolio Managers         Since             Recent Professional Experience
            ---------------------------------------------------------------------------------------------
         <C>                  <C>                        <C>               <S>
         Small-Cap Value      Chris Najork               1991 (Inception)  Managing Director and
                                                                           founding partner of NFJ.
                                                                           He has 30 years"
                                                                           experience encompassing
                                                                           equity research and
                                                                           portfolio management.
                                                                           Prior to the formation
                                                                           of NFJ in 1989, he was a
                                                                           Senior Vice President,
                                                                           Senior Portfolio Manager
                                                                           and analyst at
                                                                           NationsBank, which he
                                                                           joined in 1974.
                              Benno J. Fischer           1991 (Inception)  Managing Director and
                                                                           founding partner of NFJ.
                                                                           He has 32 years"
                                                                           experience in portfolio
                                                                           management, investment
                                                                           analysis and research.
                                                                           Prior to the formation
                                                                           of NFJ in 1989, he was
                                                                           Chief Investment Officer
                                                                           (institutional and fixed
                                                                           income), Senior Vice
                                                                           President and Senior
                                                                           Portfolio Manager at
                                                                           NationsBank, which he
                                                                           joined in 1971. Prior to
                                                                           joining NationsBank, Mr.
                                                                           Fischer was a securities
                                                                           analyst at Chase
                                                                           Manhattan Bank and
                                                                           Clark, Dodge.
                              Paul A. Magnuson           1995              Principal at NFJ. He is
                                                                           a Portfolio Manager and
                                                                           Senior Research Analyst
                                                                           with 14 years'
                                                                           experience in equity
                                                                           analysis and portfolio
                                                                           management. Prior to
                                                                           joining NFJ in 1992, he
                                                                           was an Assistant Vice
                                                                           President at
                                                                           NationsBank, which he
                                                                           joined in 1985. Within
                                                                           the Trust Investment
                                                                           Quantitative Services
                                                                           Division of NationsBank,
                                                                           he was responsible for
                                                                           equity analytics and
                                                                           structured fund
                                                                           management.
            An affiliated sub-partnership of PIMCO Advisors, Parametric
            provides advisory services to mutual funds and institutional
            accounts. Parametric Portfolio Associates, Inc., the predecessor
            investment adviser to Parametric, commenced operations in 1987.
            Accounts managed by Parametric had combined assets as of December
            31, 1999 of approximately $4.1 billion.
</TABLE>


Parametric
                                                                   Prospectus
                                                                              38
<PAGE>

             The following individuals at Parametric share primary
            responsibility for the Tax-Efficient Equity Fund.


<TABLE>
<CAPTION>
         Fund          Portfolio Managers Since            Recent Professional Experience
            -----------------------------------------------------------------------------
         <C>           <C>                <C>              <S>
         Tax-Efficient    David Stein     1998 (Inception)    Managing Director of
         Equity                                               Parametric. He also
                                                              serves as a Senior
                                                              Portfolio
                                                              Manager of PIMCO Equity
                                                              Advisors. He has been
                                                              with Parametric since
                                                              1996
                                                              where he leads the
                                                              investment, research and
                                                              product development
                                                              activities.
                                                              Previously, he served in
                                                              Investment Research at
                                                              GTE Corporation from
                                                              1995
                                                              to 1996, in Equity
                                                              Research at Vanguard
                                                              Group from 1994 to 1995
                                                              and in
                                                              Investment Research at
                                                              IBM Corporation from
                                                              1977 to 1994.
                          Tom Seto        1998 (Inception)    Vice President and
                                                              Portfolio Manager of
                                                              Parametric. Since
                                                              joining Parametric
                                                              in 1998, he has been
                                                              responsible for
                                                              management of
                                                              Parametric's active U.S.
                                                              equity strategies and
                                                              has managed structured
                                                              equity portfolios.
                                                              Previously, he
                                                              was with Barclays Global
                                                              Investors from 1991 to
                                                              1998, serving in various
                                                              capacities including as
                                                              head of U.S. Equity
                                                              Index Investments and
                                                              Portfolio
                                                              Manager.

Blairlogie  Blairlogie provides advisory services to mutual funds and
            institutional accounts. Blairlogie Capital Management Ltd., the
            predecessor investment adviser to Blairlogie, commenced operations
            in 1992. Accounts managed by Blairlogie had combined assets as of
            December 31, 1999 of approximately $1.4 billion.

             Blairlogie is an indirect majority-owned subsidiary of the
            Alleghany Corporation, and is not an affiliate of PIMCO Advisors.
            Blairlogie was formerly an affiliated sub-partnership of PIMCO
            Advisors. On April 30, 1999, PIMCO Advisors sold all of its
            ownership interest in Blairlogie to subsidiaries of the Alleghany
            Corporation. PIMCO Advisors retained Blairlogie as the Sub-Adviser
            of the International Fund both prior and subsequent to this
            transaction.

             The following individual at Blairlogie has primary responsibility
            for the International Fund.


<CAPTION>
         Fund          Portfolio Manager  Since            Recent Professional Experience
            -----------------------------------------------------------------------------
         <C>           <C>                <C>              <S>
         International    James Smith     1994                Chief Investment Officer
                                                              of Blairlogie since
                                                              1992, responsible for
                                                              setting investment
                                                              policy, asset
                                                              allocation, managing the
                                                              investment team and
                                                              stock selection in Latin
                                                              America.
</TABLE>


Distributor The Trust's Distributor is PIMCO Funds Distributors LLC, a wholly
            owned subsidiary of PIMCO Advisors. The Distributor, located at
            2187 Atlantic Street, Stanford, CT 06902, is a broker-dealer
            registered with the Securities and Exchange Commission.
  PIMCO Funds: Multi-Manager Series
39
<PAGE>

            Investment Options -- Class A, B and C Shares

            The Trust offers investors Class A, Class B and Class C shares of
            each Fund in this Prospectus. Each class of shares is subject to
            different types and levels of sales charges than the other classes
            and bears a different level of expenses.

             The class of shares that is best for you depends upon a number of
            factors, including the amount and the intended length of your
            investment. The following summarizes key information about each
            class to help you make your investment decision, including the
            various expenses associated with each class. More extensive
            information about the Trust's multi-class arrangements is included
            in the PIMCO Funds Shareholders' Guide for Class A, B and C Shares
            (the "Guide"), which is included as part of the Statement of
            Additional Information and can be obtained free of charge from the
            Distributor. See "How to Buy and Sell Shares--PIMCO Funds
            Shareholders' Guide" below.

Class A     . You pay an initial sales charge of up to 5.50% when you buy
Shares        Class A shares. The sales charge is deducted from your
              investment so that not all of your purchase payment is invested.

            . You may be eligible for a reduction or a complete waiver of the
              initial sales charge under a number of circumstances. For
              example, you normally pay no sales charge if you purchase
              $1,000,000 or more of Class A shares. Please see the Guide for
              details.

            . Class A shares are subject to lower 12b-1 fees than Class B or
              Class C shares. Therefore, Class A shareholders generally pay
              lower annual expenses and receive higher dividends than Class B
              or Class C shareholders.

            . You normally pay no contingent deferred sales charge ("CDSC")
              when you redeem Class A shares, although you may pay a 1% CDSC
              if you purchase $1,000,000 or more of Class A shares (and
              therefore pay no initial sales charge) and then redeem the
              shares during the first 18 months after your initial purchase.
              The Class A CDSC is waived for certain categories of investors
              and does not apply if you are otherwise eligible to purchase Class
              A shares without a sales charge. Please see the Guide for details.

Class B     . You do not pay an initial sales charge when you buy Class B
Shares        shares. The full amount of your purchase payment is invested
             initially.

            . You normally pay a CDSC of up to 5% if you redeem Class B shares
              during the first six years after your initial purchase. The
              amount of the CDSC declines the longer you hold your Class B
              shares. You pay no CDSC if you redeem during the seventh year
              and thereafter. The Class B CDSC is waived for certain categories
              of investors. Please see the Guide for details.

            . Class B shares are subject to higher 12b-1 fees than Class A
              shares for the first seven years they are held. During this
              time, Class B shareholders normally pay higher annual expenses
              and receive lower dividends than Class A shareholders.

            . Class B shares automatically convert into Class A shares after
              they have been held for seven years. After the conversion takes
              place, the shares are subject to the lower 12b-1 fees paid by
              Class A shares.

Class C     . You do not pay an initial sales charge when you buy Class C
Shares        shares. The full amount of your purchase payment is invested
              initially.

            . You normally pay a CDSC of 1% if you redeem Class C shares
              during the first year after your initial purchase. The Class C
              CDSC is waived for certain categories of investors. Please see
              the Guide for details.

            . Class C shares are subject to higher 12b-1 fees than Class A
              shares. Therefore, Class C shareholders normally pay higher
              annual expenses and receive lower dividends than Class A
              shareholders.

            . Class C shares do not convert into any other class of shares.
              Because Class B shares convert into Class A shares after seven
              years, Class C shares will normally be subject to higher
              expenses and will pay lower dividends than Class B shares if the
              shares are held for more than seven years.

            The following provides additional information about the sales
            charges and other expenses associated with Class A, Class B and
            Class C shares.

- --------------------------------------------------------------------------------
Initial     Unless you are eligible for a waiver, the public offering price
Sales       you pay when you buy Class A shares of the Funds is the net asset
Charges--   value ("NAV") of the shares plus an initial sales charge. The
Class A     initial sales charge varies depending upon the size of your
Shares      purchase, as set forth below. No sales charge is imposed where
            Class A shares are issued to you pursuant to the automatic
            reinvestment of income dividends or capital gains distributions.
                                                                   Prospectus
                                                                              40
<PAGE>

            All Funds
<TABLE>
         <S>                     <C>                       <C>
                                 Initial Sales Charge      Initial Sales Charge
         Amount of               as % of Net               as % of Public
         Purchase                Amount Invested           Offering Price
            -------------------------------------------------------------------
         $0-$49,999              5.82%                     5.50%
            -------------------------------------------------------------------
         $50,000-$99,999         4.71%                     4.50%
            -------------------------------------------------------------------
         $100,000-$249,999       3.63%                     3.50%
            -------------------------------------------------------------------
         $250,000-$499,999       2.56%                     2.50%
            -------------------------------------------------------------------
         $500,000-$999,999       2.04%                     2.00%
            -------------------------------------------------------------------
         $1,000,000 +            0.00%*                    0.00%*
            -------------------------------------------------------------------

            *As shown, investors that purchase $1,000,000 or more of any
            Fund's Class A shares will not pay any initial sales charge on the
            purchase. However, purchasers of $1,000,000 or more of Class A
            shares may be subject to a CDSC of 1% if the shares are redeemed
            during the first 18 months after their purchase. See "CDSCs on
            Class A Shares" below.

- -------------------------------------------------------------------------------
Contingent  Unless you are eligible for a waiver, if you sell (redeem) your
Deferred    Class B or Class C shares within the time periods specified below,
Sales       you will pay a CDSC according to the following schedules.
Charges
(CDSCs)
- -- Class
B and
Class C
Shares


Class B  Years Since Purchase    Percentage Contingent
Shares   Payment was Made        Deferred Sales Charge
            -------------------------------------------------------------------
         First                   5
            -------------------------------------------------------------------
         Second                  4
            -------------------------------------------------------------------
         Third                   3
            -------------------------------------------------------------------
         Fourth                  3
            -------------------------------------------------------------------
         Fifth                   2
            -------------------------------------------------------------------
         Sixth                   1
            -------------------------------------------------------------------
         Seventh                 0*
            -------------------------------------------------------------------

            *After the seventh year, Class B shares convert into Class A
            shares.

Class C  Years Since Purchase    Percentage Contingent
Shares   Payment was Made        Deferred Sales Charge
            -------------------------------------------------------------------
         First                   1
            -------------------------------------------------------------------
         Thereafter              0
            -------------------------------------------------------------------
</TABLE>

- --------------------------------------------------------------------------------
CDSCs on    Unless a waiver applies, investors who purchase $1,000,000 or more
Class A     of Class A shares (and, thus, pay no initial sales charge) will be
Shares      subject to a 1% CDSC if the shares are redeemed within 18 months
            of their purchase. The Class A CDSC does not apply if you are
            otherwise eligible to purchase Class A shares without an initial
            sales charge or if you are eligible for a waiver of the CDSC. See
            "Reductions and Waivers of Initial Sales Charges and CDSCs" below.

- --------------------------------------------------------------------------------
How CDSCs   A CDSC is imposed on redemptions of Class B and Class C shares
are         (and where applicable, Class A shares) on the amount of the
Calculated  redemption which causes the current value of your account for the
            particular class of shares of a Fund to fall below the total
            dollar amount of your purchase payments subject to the CDSC.
            However, no CDSC is imposed if the shares redeemed have been
            acquired through the reinvestment of dividends or capital gains
            distributions or if the amount redeemed is derived from increases
            in the value of your account above the amount of the purchase
            payments subject to the CDSC. CDSCs are deducted from the proceeds
            of your redemption, not from amounts remaining in your account. In
            determining whether a CDSC is payable, it is assumed that the
            purchase payment from which the redemption is made is the earliest
            purchase payment for the particular class of shares in your
            account (from which a redemption or exchange has not already been
            effected).

            For instance, the following example illustrates the operation of
            the Class B CDSC:

            . Assume that an individual opens an account and makes a purchase
              payment of $10,000 for Class B shares of a Fund and that six
              months later the value of the investor's account for that Fund
              has grown through investment performance and reinvestment of
              distributions to $11,000. The investor then may redeem up to
              $1,000 from that Fund ($11,000 minus $10,000) without incurring
              a CDSC. If the investor should redeem $3,000, a CDSC would be
              imposed on $2,000 of the redemption (the amount by which the
              investor's account for the Fund was reduced below the amount of
              the purchase payment). At the rate of 5%, the Class B CDSC would
              be $100.

  PIMCO Funds: Multi-Manager Series
41
<PAGE>

             In determining whether an amount is available for redemption
            without incurring a CDSC, the purchase payments made for all
            shares of a particular class of a Fund in the shareholder's
            account are aggregated, and the current value of all such shares
            is aggregated.

- --------------------------------------------------------------------------------
Reductions  The initial sales charges on Class A shares and the CDSCs on Class
and         A, Class B and Class C shares may be reduced or waived under
Waivers     certain purchase arrangements and for certain categories of
of          investors. Please see the Guide for details. The Guide is
Initial     available free of charge from the Distributor. See "How to Buy and
Sales       Sell Shares--PIMCO Funds Shareholders' Guide" below.
Charges
and CDSCs

- --------------------------------------------------------------------------------
Distri-     The Funds pay fees to the Distributor on an ongoing basis as
bution and  compensation for the services the Distributor renders and the
Servicing   expenses it bears in connection with the sale and distribution of
(12b-1)     Fund shares ("distribution fees") and/or in connection with
Plans       personal services rendered to Fund shareholders and the
            maintenance of shareholder accounts ("servicing fees"). These
            payments are made pursuant to Distribution and Servicing Plans
            ("12b-1 Plans") adopted by each Fund pursuant to Rule 12b-1 under
            the Investment Company Act of 1940.

             There is a separate 12b-1 Plan for each class of shares offered
            in this Prospectus. Class A shares pay only servicing fees. Class
            B and Class C shares pay both distribution and servicing fees. The
            following lists the maximum annual rates at which the distribution
            and/or servicing fees may be paid under each 12b-1 Plan
            (calculated as a percentage of each Fund's average daily net
            assets attributable to the particular class of shares):

<TABLE>
         <S>                          <C>                                           <C>
                                      Servicing                                     Distribution
         All Funds                    Fee                                           Fee
            ------------------------------------------------------------------------------------
         Class A                      0.25%                                         None
            ------------------------------------------------------------------------------------
         Class B                      0.25%                                         0.75%
            ------------------------------------------------------------------------------------
         Class C                      0.25%                                         0.75%
            ------------------------------------------------------------------------------------
</TABLE>

             Because 12b-1 fees are paid out of a Fund's assets on an ongoing
            basis, over time these fees will increase the cost of your
            investment and may cost you more than sales charges which are
            deducted at the time of investment. Therefore, although Class B
            and Class C shares do not pay initial sales charges, the
            distribution fees payable on Class B and Class C shares may, over
            time, cost you more than the initial sales charge imposed on Class
            A shares. Also, because Class B shares convert into Class A shares
            after they have been held for seven years and are not subject to
            distribution fees after the conversion, an investment in Class C
            shares may cost you more over time than an investment in Class B
            shares.

            How Fund Shares Are Priced

            The net asset value ("NAV") of a Fund's Class A, Class B and Class
            C shares is determined by dividing the total value of a Fund's
            portfolio investments and other assets attributable to that class,
            less any liabilities, by the total number of shares outstanding of
            that class.

             For purposes of calculating the NAV, portfolio securities and
            other assets for which market quotes are available are stated at
            market value. Market value is generally determined on the basis of
            last reported sales prices, or if no sales are reported, based on
            quotes obtained from a quotation reporting system, established
            market makers, or pricing services. Certain securities or
            investments for which daily market quotes are not readily
            available may be valued, pursuant to guidelines established by the
            Board of Trustees, with reference to other securities or indices.
            Short-term investments having a maturity of 60 days or less are
            generally valued at amortized cost. Exchange traded options,
            futures and options on futures are valued at the settlement price
            determined by the exchange. Other securities for which market
            quotes are not readily available are valued at fair value as
            determined in good faith by the Board of Trustees or persons
            acting at their direction.

             Investments initially valued in currencies other than the U.S.
            dollar are converted to U.S. dollars using exchange rates obtained
            from pricing services. As a result, the NAV of a Fund's shares may
            be affected by changes in the value of currencies in relation to
            the U.S. dollar. The value of securities traded in markets outside
            the United States or denominated in currencies other than the U.S.
            dollar may be affected significantly on a day that the New York
            Stock Exchange is closed and an investor is not able to purchase,
            redeem or exchange shares. In particular, calculation of the NAV
            of the Global Innovation and International Funds may not take
            place contemporaneously with the determination of the prices of
            foreign securities used in NAV calculations.
                                                                   Prospectus
                                                                              42
<PAGE>

             Fund shares are valued at the close of regular trading (normally
            4:00 p.m., Eastern time) (the "NYSE Close") on each day that the
            New York Stock Exchange is open. For purposes of calculating the
            NAV, the Funds normally use pricing data for domestic equity
            securities received shortly after the NYSE Close and do not
            normally take into account trading, clearances or settlements that
            take place after the NYSE Close. Domestic fixed income and foreign
            securities are normally priced using data reflecting the earlier
            closing of the principal markets for those securities. Information
            that becomes known to the Funds or their agents after the NAV has
            been calculated on a particular day will not generally be used to
            retroactively adjust the price of a security or the NAV determined
            earlier that day.

             In unusual circumstances, instead of valuing securities in the
            usual manner, the Funds may value securities at fair value or
            estimate their value as determined in good faith by the Board of
            Trustees pursuant to procedures approved by the Board of Trustees.
            Fair valuation may also be used by the Board of Trustees if
            extraordinary events occur after the close of the relevant market
            but prior to the NYSE Close.

            How to Buy and Sell Shares

            The following section provides basic information about how to buy,
            sell (redeem) and exchange shares of the Funds.

PIMCO       More detailed information about the Trust's purchase, sale and
Funds       exchange arrangements for Fund shares is provided in the PIMCO
Share-      Funds Shareholders' Guide, which is included in the Statement of
holders'    Additional Information and can be obtained free of charge from the
Guide       Distributor by written request or by calling 1-800-426-0107. The
            Guide provides technical information about the basic arrangements
            described below and also describes special purchase, sale and
            exchange features and programs offered by the Trust, including:

            . Automated telephone and wire transfer procedures
            . Automatic purchase, exchange and withdrawal programs
            . Programs that establish a link from your Fund account to your
              bank account
            . Special arrangements for tax-qualified retirement plans
            . Investment programs which allow you to reduce or eliminate the
              initial sales charges on Class A shares
            . Categories of investors that are eligible for waivers or
              reductions of initial sales charges and CDSCs

Calculation When you buy shares of the Funds, you pay a price equal to the NAV
of Share    of the shares, plus any applicable sales charge. When you sell
Price and   (redeem) shares, you receive an amount equal to the NAV of the
Redemption  shares, minus any applicable CDSC. NAVs are determined at the
Payments    close of regular trading (normally, 4:00 p.m., Eastern time) on
            the New York Stock Exchange on each day the New York Stock
            Exchange is open. See "How Fund Shares Are Priced" above for
            details. Generally, purchase and redemption orders for Fund shares
            are processed at the NAV next calculated after your order is
            received by the Distributor. There are certain exceptions where an
            order is received by a broker or dealer prior to the close of
            regular trading on the New York Stock Exchange and then
            transmitted to the Distributor after the NAV has been calculated
            for that day (in which case the order may be processed at that
            day's NAV). Please see the Guide for details.

             The Trust does not calculate NAVs or process orders on days when
            the New York Stock Exchange is closed. If your purchase or
            redemption order is received by the Distributor on a day when the
            New York Stock Exchange is closed, it will be processed on the
            next succeeding day when the New York Stock Exchange is open (at
            the succeeding day's NAV).

Buying      You can buy Class A, Class B or Class C shares of the Funds in the
Shares      following ways:

             . Through your broker, dealer or other financial intermediary.
               Your broker, dealer or other intermediary may establish higher
               minimum investment requirements than the Trust and may also
               independently charge you transaction fees and additional
               amounts (which may vary) in return for its services, which will
               reduce your return. Shares you purchase through your broker,
               dealer or other intermediary will normally be held in your
               account with that firm.

  PIMCO Funds: Multi-Manager Series
43
<PAGE>

             . Directly from the Trust. To make direct investments, you must
               open an account with the Distributor and send payment for your
               shares either by mail or through a variety of other purchase
               options and plans offered by the Trust.

             If you wish to invest directly by mail, please send a check
            payable to PIMCO Funds Distributors LLC, along with a completed
            application form to:

                                    PIMCO Funds Distributors LLC
                                    P.O. Box 9688
                                    Providence, RI 02940-0926

             The Trust accepts all purchases by mail subject to collection of
            checks at full value and conversion into federal funds. You may
            make subsequent purchases by mailing a check to the address above
            with a letter describing the investment or with the additional
            investment portion of a confirmation statement. Checks for
            subsequent purchases should be payable to PIMCO Funds Distributors
            LLC and should clearly indicate your account number. Please call
            the Distributor at 1-800-426-0107 if you have any questions
            regarding purchases by mail.

             The Guide describes a number of additional ways you can make
            direct investments, including through the PIMCO Funds Auto-Invest
            and PIMCO Funds Fund Link programs. You can obtain a Guide free of
            charge from the Distributor by written request or by calling 1-
            800-426-0107. See "PIMCO Funds Shareholders' Guide" above.

             The Distributor, in its sole discretion, may accept or reject any
            order for purchase of Fund shares. No share certificates will be
            issued unless specifically requested in writing.

Investment  The following investment minimums apply for purchases of Class A,
Minimums    Class B and Class C shares.

<TABLE>
<CAPTION>
                     Initial Investment                 Subsequent Investments
                     ------------------                 ----------------------
                     <S>                                <C>
                     $2,500 per Fund                        $100 per Fund
</TABLE>

             Lower minimums may apply for certain categories of investors,
            including certain tax-qualified retirement plans, and for special
            investment programs and plans offered by the Trust, such as the
            PIMCO Funds Auto-Invest and PIMCO Funds Fund Link programs. Please
            see the Guide for details.

Small       Because of the disproportionately high costs of servicing accounts
Account     with low balances, if you have a direct account with the
Fee         Distributor, you will be charged a fee at the annual rate of $16
            if your account balance for any Fund falls below a minimum level
            of $2,500, except for Uniform Gift to Minors, IRA, Roth IRA and
            Auto-Invest accounts for which the limit is $1,000. The fee also
            applies to employer-sponsored retirement plan accounts, Money
            Purchase and/or Profit Sharing plans, 401(k) plans, 403(b)(7)
            custodial accounts, SIMPLE IRAs, SEPs and SAR/SEPs. (A separate
            custodial fee may apply to IRAs, Roth IRAs and other retirement
            accounts.) However, you will not be charged this fee if the
            aggregate value of all of your PIMCO Funds accounts is at least
            $50,000. Any applicable small account fee will be deducted
            automatically from your below-minimum Fund account in quarterly
            installments and paid to the Administrator. Each Fund account will
            normally be valued, and any deduction taken, during the last five
            business days of each calendar quarter. Lower minimum balance
            requirements and waivers of the small account fee apply for
            certain categories of investors. Please see the Guide for details.

Minimum     Due to the relatively high cost to the Funds of maintaining small
Account     accounts, you are asked to maintain an account balance in each
Size        Fund in which you invest of at least the minimum investment
            necessary to open the particular type of account. If your balance
            for any Fund remains below the minimum for three months or longer,
            the Administrator has the right (except in the case of employer-
            sponsored retirement accounts) to redeem your remaining shares and
            close that Fund account after giving you 60 days to increase your
            balance. Your Fund account will not be liquidated if the reduction
            in size is due solely to a decline in market value of your Fund
            shares or if the aggregate value of all your PIMCO Funds accounts
            exceeds $50,000.

Exchanging  Except as provided below and/or in the applicable Funds' or
Shares      series' prospectus(es), you may exchange your Class A, Class B or
            Class C shares of any Fund for the same Class of shares of any
            other Fund or of another series of the Trust or PIMCO Funds:
            Pacific Investment Management Series. Shares are exchanged on the
            basis of their respective NAVs next calculated after your exchange
            order is received by


                                                                   Prospectus
                                                                              44
<PAGE>

            the Distributor. Currently, the Trust does not charge any exchange
            fees or charges. Exchanges are subject to the $2,500 minimum
            initial purchase requirements for each Fund, except with respect
            to tax-qualified programs and exchanges effected through the PIMCO
            Funds Auto-Exchange plan. In addition, an exchange is generally a
            taxable event which will generate capital gains or losses, and
            special rules may apply in computing tax basis when determining
            gain or loss. If you maintain your account with the Distributor,
            you may exchange shares by completing a written exchange request
            and sending it to PIMCO Funds Distributors LLC, P.O. Box 9688,
            Providence, RI 02940-0926. You can get an exchange form by calling
            the Distributor at 1-800-426-0107.

             The Trust reserves the right to refuse exchange purchases if, in
            the judgment of PIMCO Advisors, the purchase would adversely
            affect a Fund and its shareholders. In particular, a pattern of
            exchanges characteristic of "market-timing" strategies may be
            deemed by PIMCO Advisors to be detrimental to the Trust or a
            particular Fund. Currently, the Trust limits the number of "round
            trip" exchanges an investor may make. An investor makes a "round
            trip" exchange when the investor purchases shares of a particular
            Fund, subsequently exchanges those shares for shares of a
            different PIMCO Fund and then exchanges back into the originally
            purchased Fund. The Trust has the right to refuse any exchange for
            any investor who completes (by making the exchange back into the
            shares of the originally purchased Fund) more than six round trip
            exchanges in any twelve-month period. Although the Trust has no
            current intention of terminating or modifying the exchange
            privilege other than as set forth in the preceeding sentence, it
            reserves the right to do so at any time. Except as otherwise
            permitted by the Securities and Exchange Commission, the Trust
            will give you 60 days' advance notice if it exercises its right to
            terminate or materially modify the exchange privilege with respect
            to Class A, B and C shares.

              . Exchange Limitations. Until July 3, 2000, shareholders will
            not be permitted to exchange their shares of any Fund or series of
            the Trust or of PIMCO Funds: Pacific Investment Management Series
            for shares of the Global Innovation Fund, although investors will
            be permitted to exchange their shares of the Global Innovation
            Fund for shares of the same class of any other Fund or series of
            the Trust or of PIMCO Funds: Pacific Investment Management Series.
            This restriction may be changed or eliminated at any time at the
            discretion of the Distributor.

             The Guide provides more detailed information about the exchange
            privilege, including the procedures you must follow and additional
            exchange options. You can obtain a Guide free of charge from the
            Distributor by written request or by calling 1-800-426-0107. See
            "PIMCO Funds Shareholders' Guide" above.

Selling     You can sell (redeem) Class A, Class B or Class C shares of the
Shares      Funds in the following ways:

              . Through your broker, dealer or other financial intermediary.
            Your broker, dealer or other intermediary may independently charge
            you transaction fees and additional amounts (which may vary) in
            return for its services, which will reduce your return.

              . Directly from the Trust by Written Request. To redeem shares
            directly from the Trust by written request (whether or not the
            shares are represented by certificates), you must send the
            following items to the Trust's Transfer Agent, PFPC, Inc., P.O.
            Box 9688, Providence, RI 02940-0926:

              (1) a written request for redemption signed by all registered
              owners exactly as the account is registered on the Transfer
              Agent's records, including fiduciary titles, if any, and
              specifying the account number and the dollar amount or number of
              shares to be redeemed;

              (2) for certain redemptions described below, a guarantee of all
              signatures on the written request or on the share certificate or
              accompanying stock power, if required, as described under
              "Signature Guarantee" below;

              (3) any share certificates issued for any of the shares to be
              redeemed (see "Certificated Shares" below); and

              (4) any additional documents which may be required by the
              Transfer Agent for redemption by corporations, partnerships or
              other organizations, executors, administrators, trustees,
              custodians or guardians, or if the redemption is requested by
              anyone other than the shareholder(s) of record. Transfers of
              shares are subject to the same requirements.

             A signature guarantee is not required for redemptions requested
            by and payable to all shareholders of record for the account, and
            to be sent to the address of record for that account. To avoid
            delay in redemption or transfer, if you have any questions about
            these requirements you should contact the Transfer Agent in
            writing or call 1-800-426-0107 before submitting a request.
            Written redemption or
  PIMCO Funds: Multi-Manager Series
45
<PAGE>

             transfer requests will not be honored until all required documents
             in the proper form have been received by the Transfer Agent. You
             can not redeem your shares by written request to the Trust if they
             are held in broker "street name" accounts--you must redeem through
             your broker.

              If the proceeds of your redemption (i) are to be paid to a person
             other than the record owner, (ii) are to be sent to an address
             other than the address of the account on the Transfer Agent's
             records, and/or (iii) are to be paid to a corporation, partnership,
             trust or fiduciary, the signature(s) on the redemption request and
             on the certificates, if any, or stock power must be guaranteed as
             described under "Signature Guarantee" below. The Distributor may,
             however, waive the signature guarantee requirement for redemptions
             up to $2,500 by a trustee of a qualified retirement plan, the
             administrator for which has an agreement with the Distributor.

              The Guide describes a number of additional ways you can redeem
             your shares, including:

                . Telephone requests to the Transfer Agent
                . PIMCO Funds Automated Telephone System (ATS)
                . Expedited wire transfers
                . Automatic Withdrawal Plan
                . PIMCO Funds Fund Link

              Unless you specifically elect otherwise, your initial account
             application permits you to redeem shares by telephone subject to
             certain requirements. To be eligible for ATS, expedited wire
             transfer, Automatic Withdrawal Plan, and Fund Link privileges, you
             must specifically elect the particular option on your account
             application and satisfy certain other requirements. The Guide
             describes each of these options and provides additional information
             about selling shares. You can obtain a Guide free of charge from
             the Distributor by written request or by calling 1-800-426-0107.

              Other than an applicable CDSC, you will not pay any special fees
             or charges to the Trust or the Distributor when you sell your
             shares. However, if you sell your shares through your broker,
             dealer or other financial intermediary, that firm may charge you a
             commission or other fee for processing your redemption request.

              Redemptions of Fund shares may be suspended when trading on the
             New York Stock Exchange is restricted or during an emergency which
             makes it impracticable for the Funds to dispose of their securities
             or to determine fairly the value of their net assets, or during any
             other period as permitted by the Securities and Exchange Commission
             for the protection of investors. Under these and other unusual
             circumstances, the Trust may suspend redemptions or postpone
             payments for more than seven days, as permitted by law.

Timing of    Redemption proceeds will normally be mailed to the redeeming
Redemption   shareholder within seven calendar days or, in the case of wire
Payments     transfer or Fund Link redemptions, sent to the designated bank
             account within one business day. Fund Link redemptions may be
             received by the bank on the second or third business day. In cases
             where shares have recently been purchased by personal check,
             redemption proceeds may be withheld until the check has been
             collected, which may take up to 15 days. To avoid such withholding,
             investors should purchase shares by certified or bank check or by
             wire transfer. Under unusual circumstances, the Trust may delay
             your redemption payments for more than seven days, as permitted by
             law.

Redemptions  The Trust had agreed to redeem shares of each Fund solely in cash
In Kind      up to the lesser of $250,000 or 1% of the Fund's net assets during
             any 90-day period for any one shareholder. In consideration of the
             best interests of the remaining shareholders, the Trust may pay any
             redemption proceeds exceeding this amount in whole or in part by a
             distribution in kind of securities held by a Fund in lieu of cash.
             Except for Funds with a tax-efficient management strategy, it is
             highly unlikely that your shares would ever be redeemed in kind. If
             your shares are redeemed in kind, you should expect to incur
             transaction costs upon the disposition of the securities received
             in the distribution.

Certificated If you are redeeming shares for which certificates have been
Shares       issued, the certificates must be mailed to or deposited with the
             Trust, duly endorsed or accompanied by a duly endorsed stock power
             or by a written request for redemption. Signatures must be
             guaranteed as described under "Signature Guarantee" below. The
             Trust may request further documentation from institutions or
             fiduciary accounts, such as corporations, custodians (e.g., under
             the Uniform Gifts to Minors Act), executors, administrators,
             trustees or guardians. Your redemption request and stock power
             must be signed exactly as the account is registered, including
             indication of any special capacity of the registered owner.


                                                                   Prospectus
                                                                              46
<PAGE>

Signature   When a signature guarantee is called for, you should have
Guarantee   "Signature Guaranteed" stamped under your signature and guaranteed
            by any of the following entities: U.S. banks, foreign banks having
            a U.S. correspondent bank, credit unions, savings associations,
            U.S. registered dealers and brokers, municipal securities dealers
            and brokers, government securities dealers and brokers, national
            securities exchanges, registered securities associations and
            clearing agencies (each an "Eligible Guarantor Institution"). The
            Distributor reserves the right to reject any signature guarantee
            pursuant to its written signature guarantee standards or
            procedures, which may be revised in the future to permit it to
            reject signature guarantees from Eligible Guarantor Institutions
            that do not, based on credit guidelines, satisfy such written
            standards or procedures. The Trust may change the signature
            guarantee requirements from time to time upon notice to
            shareholders, which may be given by means of a new or supplemented
            Prospectus.

            Fund Distributions

            Each Fund distributes substantially all of its net investment
            income to shareholders in the form of dividends. You begin earning
            dividends on Fund shares the day after the Trust receives your
            purchase payment. Dividends paid by each Fund with respect to each
            class of shares are calculated in the same manner and at the same
            time, but dividends on Class B and Class C shares are expected to
            be lower than dividends on Class A shares as a result of the
            distribution fees applicable to Class B and Class C shares. The
            following shows when each Fund intends to declare and distribute
            income dividends to shareholders of record.

<TABLE>
<CAPTION>
          Fund                            At Least Annually     Quarterly
            -------------------------------------------------------------
         <S>                              <C>               <C>
          Equity Income, Renaissance and                            .
           Value Funds
            -------------------------------------------------------------
          All other Funds                        .
            -------------------------------------------------------------
</TABLE>

             In addition, each Fund distributes any net capital gains it earns
            from the sale of portfolio securities to shareholders no less
            frequently than annually. Net short-term capital gains may be paid
            more frequently.

             You can choose from the following distribution options:

             . Reinvest all distributions in additional shares of the same class
               of your Fund at NAV. This will be done unless you elect another
               option.

             . Invest all distributions in shares of the same class of any
               other Fund or another series of the Trust or PIMCO Funds:
               Pacific Investment Management Series which offers that class at
               NAV. You must have an account existing in the Fund or series
               selected for investment with the identical registered name. You
               must elect this option on your account application or by a
               telephone request to the Transfer Agent at 1-800-426-0107.

             . Receive all distributions in cash (either paid directly to you
               or credited to your account with your broker or other financial
               intermediary). You must elect this option on your account
               application or by a telephone request to the Transfer Agent at
               1-800-426-0107.

             You do not pay any sales charges on shares you receive through
            the reinvestment of Fund distributions.

             If you elect to receive Fund distributions in cash and the postal
            or other delivery service is unable to deliver checks to your
            address of record, the Trust's Transfer Agent will hold the
            returned checks for your benefit in a non-interest bearing
            account.

             For further information on distribution options, please contact
            your broker or call the Distributor at 1-800-426-0107.

            Tax Consequences

             . Taxes on Fund distributions. If you are subject to U.S. federal
               income tax, you will be subject to tax on Fund distributions
               whether you received them in cash or reinvested them in
               additional shares of the Funds. For federal income tax purposes,
               Fund distributions will be taxable to you as either ordinary
               income or capital gains.

  PIMCO Funds: Multi-Manager Series
47
<PAGE>


             Fund dividends (i.e., distributions of investment income) are
            taxable to you as ordinary income. Federal taxes on Fund
            distributions of gains are determined by how long the Fund owned
            the investments that generated the gains, rather than how long you
            have owned your shares. Distributions of gains from investments
            that a Fund owned for more than 12 months will generally be
            taxable to you as capital gains. Distributions of gains from
            investments that the Fund owned for 12 months or less will
            generally be taxable to you as ordinary income.

             Fund distributions are taxable to you even if they are paid from
            income or gains earned by a Fund prior to your investment and thus
            were included in the price you paid for your shares. For example,
            if you purchase shares on or just before the record date of a Fund
            distribution, you will pay full price for the shares and may
            receive a portion of your investment back as a taxable
            distribution.

             . Taxes when you sell (redeem) or exchange your shares. Any gain
            resulting from the sale of Fund shares will generally be subject
            to federal income tax. When you exchange shares of a Fund for
            shares of another series, the transaction generally will be
            treated as a sale of the Fund shares for these purposes, and any
            gain on those shares will generally be subject to federal income
            tax.

             . A Note on the Tax-Efficient Equity Fund. The Tax-Efficient
            Equity Fund utilizes a number of tax-efficient management
            techniques designed to minimize taxable distributions. For
            instance, the Fund generally seeks to minimize realized gains and,
            when realizing gains, attempts to realize gains that will be taxed
            as capital gains (i.e., as gains on investments owned for more
            than 12 months) when distributed to shareholders. Although the
            Fund attempts to minimize taxable distributions, it may be
            expected to earn and distribute taxable income and realize and
            distribute capital gains from time to time.

             . A Note on Foreign Investments. A Fund's investment in foreign
            securities may be subject to foreign withholding taxes. In that
            case, the Fund's yield on those securities would be decreased. In
            addition, a Fund's investments in foreign securities or foreign
            currencies may increase or accelerate the Fund's recognition of
            ordinary income and may affect the timing or amount of the Fund's
            distributions. Shareholders of the Global Innovation and
            International Funds may be entitled to claim a credit or deduction
            with respect to foreign taxes.

             This section relates only to federal income tax consequences of
            investing in the Funds; the consequences under other tax laws may
            differ. You should consult your tax advisor as to the possible
            application of foreign, state and local income tax laws to Fund
            dividends and capital distributions. Please see the Statement of
            Additional Information for additional information regarding the
            tax aspects of investing in the Funds.

            Characteristics and Risks of Securities and Investment Techniques

            This section provides additional information about some of the
            principal investments and related risks of the Funds identified
            under "Summary Information" above. It also describes
            characteristics and risks of additional securities and investment
            techniques that are not necessarily principal investments or
            strategies but may be used by the Funds from time to time. Most of
            these securities and investment techniques are discretionary,
            which means that the portfolio managers can decide whether to use
            them or not. This Prospectus does not attempt to disclose all of
            the various types of securities and investment techniques that may
            be used by the Funds. As with any mutual fund, investors in the
            Funds must rely on the professional investment judgment and skill
            of PIMCO Advisors, the Sub-Advisers and the individual portfolio
            managers. Please see "Investment Objectives and Policies" in the
            Statement of Additional Information for more detailed information
            about the securities and investment techniques described in this
            section and about other strategies and techniques that may be used
            by the Funds.

Fixed       Fixed income securities are obligations of the issuer to make
Income      payments of principal and/or interest on future dates, and include
Securities  corporate and government bonds, notes, certificates of deposit,
and         commercial paper, convertible securities and mortgage-backed and
Defensive   other asset-backed securities.
Strategies
             The Capital Appreciation, Mid-Cap and Tax-Efficient Equity Funds
            intend to be as fully invested in common stocks as practicable at
            all times, although, for cash management purposes, each of these
            Funds may maintain a portion of its assets (normally not more than
            10%) in U.S. Government securities, high quality fixed income
            securities, money market obligations and cash to pay certain Fund
            expenses and to meet redemption requests. None of these Funds will
            make defensive investments in



                                                                   Prospectus
                                                                              48
<PAGE>

            response to unfavorable market and other conditions and therefore
            may be particularly vulnerable to general declines in stock prices
            and/or other categories of securities in which they invest.

             Under normal circumstances, the Small-Cap Value Fund intends to
            be fully invested in common stocks (aside from cash management
            practices), except that the Fund may temporarily hold up to 10% of
            its assets in cash and cash equivalents for defensive purposes in
            response to unfavorable market and other conditions. The Equity
            Income, Global Innovation, Growth, Innovation, International,
            Opportunity, Renaissance, Select Growth, Target and Value Funds
            will each invest primarily in common stocks, and may also invest
            in other kinds of equity securities, including preferred stocks
            and securities (including fixed income securities and warrants)
            convertible into or exercisable for common stocks. Each of these
            Funds may invest a portion of its assets in fixed income
            securities. These Funds may temporarily hold up to 100% of their
            assets in short-term U.S. Government securities and other money
            market instruments for defensive purposes in response to
            unfavorable market and other conditions. The International Fund
            may also hold up to 100% of its assets in other domestic fixed
            income, foreign fixed income and equity securities principally
            traded in the U.S., including obligations issued or guaranteed by
            a foreign government or its agencies, authorities or
            instrumentalities, corporate bonds and American Depository
            Receipts, for temporary defensive purposes. The temporary
            defensive strategies described in this paragraph would be
            inconsistent with the investment objective and principal
            investment strategies of each of the noted Funds and may adversely
            affect the Fund's ability to achieve its investment objective.

Companies   Each of the Funds may invest in securities of companies with
With        market capitalizations that are small compared to other publicly
Smaller     traded companies. The Opportunity and Small-Cap Value Funds invest
Market      primarily in smaller companies and are especially sensitive to the
Capital-    risks described below. In addition, the Global Innovation and
izations    Innovation Funds generally have substantial exposure to these
            risks. The Mid-Cap and Target Funds also have significant exposure
            to these risks because they invest primarily in companies with
            medium-sized market capitalizations, which are smaller than the
            largest companies.

             Companies which are smaller and less well-known or seasoned than
            larger, more widely held companies may offer greater opportunities
            for capital appreciation, but may also involve risks different
            from, or greater than, risks normally associated with larger
            companies. Larger companies generally have greater financial
            resources, more extensive research and development, manufacturing,
            marketing and service capabilities, and more stability and greater
            depth of management and technical personnel than smaller
            companies. Smaller companies may have limited product lines,
            markets or financial resources or may depend on a small,
            inexperienced management group. Securities of smaller companies
            may trade less frequently and in lesser volume than more widely
            held securities and their values may fluctuate more abruptly or
            erratically than securities of larger companies. They may also
            trade in the over-the-counter market or on a regional exchange, or
            may otherwise have limited liquidity. These securities may
            therefore be more vulnerable to adverse market developments than
            securities of larger companies. Also, there may be less publicly
            available information about smaller companies or less market
            interest in their securities as compared to larger companies, and
            it may take longer for the prices of the securities to reflect the
            full value of a company's earnings potential or assets.

             Because securities of smaller companies may have limited
            liquidity, a Fund may have difficulty establishing or closing out
            its positions in smaller companies at prevailing market prices. As
            a result of owning large positions in this type of security, a
            Fund is subject to the additional risk of possibly having to sell
            portfolio securities at disadvantageous times and prices if
            redemptions require the Fund to liquidate its securities
            positions. For these reasons, it may be prudent for a Fund with a
            relatively large asset size to limit the number of relatively
            small positions it holds in securities having limited liquidity in
            order to minimize its exposure to such risks, to minimize
            transaction costs, and to maximize the benefits of research. As a
            consequence, as a Fund's asset size increases, the Fund may reduce
            its exposure to illiquid smaller capitalization securities, which
            could adversely affect performance.

             The Funds may purchase securities in initial public offerings
            (IPOs). These securities are subject to many of the same risks of
            investing in companies with smaller market capitalizations.
            Securities issued in IPOs have no trading history, and information
            about the companies may be available for very limited periods. In
            addition, the prices of securities sold in IPOs may be highly
            volatile. A Fund may not be able to invest in securities issued in
            IPOs to the extent desired because, for example, only a small
            portion of the securities being offered in an IPO may be made
            available to the Fund or because under certain market conditions
            few companies may issue securities in IPOs.

Foreign     The International Fund normally invests principally in securities
Securities  of foreign issuers, securities traded principally in securities
            markets outside the United States and/or securities denominated in
            foreign currencies (together, "foreign securities"). The Global
            Innovation Fund will invest in the securities of



  PIMCO Funds: Multi-Manager Series
49
<PAGE>

            issuers located in at least three countries (one of which may be
            the United States). The Equity Income, Growth, Innovation,
            Opportunity, Renaissance, Select Growth, Target and Value Funds
            may invest up to 15% of their respective assets in foreign
            securities.

             All of the Funds may invest in American Depository Receipts
            ("ADRs"). In addition, the Equity Income, Global Innovation,
            Growth, Innovation, International, Opportunity, Renaissance,
            Select Growth, Target and Value Funds may invest in European
            Depository Receipts (EDRs) and Global Depository Receipts (GDRs).
            ADRs are dollar-denominated receipts issued generally by domestic
            banks and representing the deposit with the bank of a security of
            a foreign issuer, and are publicly traded on exchanges or over-
            the-counter in the United States. EDRs are receipts similar to
            ADRs and are issued and traded in Europe. GDRs may be offered
            privately in the United States and also traded in public or
            private markets in other countries.

             Investing in foreign securities involves special risks and
            considerations not typically associated with investing in U.S.
            securities and shareholders should consider carefully the
            substantial risks involved for Funds that invest in these
            securities. These risks include: differences in accounting,
            auditing and financial reporting standards; generally higher
            commission rates on foreign portfolio transactions; the
            possibility of nationalization, expropriation or confiscatory
            taxation; adverse changes in investment or exchange control
            regulations; and political instability. Individual foreign
            economies may differ favorably or unfavorably from the U.S.
            economy in such respects as growth of gross domestic product, rate
            of inflation, capital reinvestment, resources, self-sufficiency
            and balance of payments position. The securities markets, values
            of securities, yields and risks associated with foreign securities
            markets may change independently of each other. Also, foreign
            securities and dividends and interest payable on those securities
            may be subject to foreign taxes, including taxes withheld from
            payments on those securities. Foreign securities often trade with
            less frequency and volume than domestic securities and therefore
            may exhibit greater price volatility. Investments in foreign
            securities may also involve higher custodial costs than domestic
            investments and additional transaction costs with respect to
            foreign currency conversions. Changes in foreign exchange rates
            also will affect the value of securities denominated or quoted in
            foreign currencies.

Emerging    Each of the Funds that may invest in foreign securities may invest
Market      in securities of issuers based in or that trade principally in
Securities  countries with developing (or "emerging market") economies. The
            Global Innovation and International Funds may invest significant
            portions of their assets in emerging market securities. Investing
            in emerging market securities imposes risks different from, or
            greater than, risks of investing in domestic securities or in
            foreign, developed countries. These risks include: smaller market
            capitalization of securities markets, which may suffer periods of
            relative illiquidity; significant price volatility; restrictions
            on foreign investment; and possible repatriation of investment
            income and capital. In addition, foreign investors may be required
            to register the proceeds of sales, and future economic or
            political crises could lead to price controls, forced mergers,
            expropriation or confiscatory taxation, seizure, nationalization
            or the creation of government monopolies. The currencies of
            emerging market countries may experience significant declines
            against the U.S. dollar, and devaluation may occur subsequent to
            investments in these currencies by a Fund. Inflation and rapid
            fluctuations in inflation rates have had, and may continue to
            have, negative effects on the economies and securities markets of
            certain emerging market countries.

             Additional risks of emerging market securities may include:
            greater social, economic and political uncertainty and
            instability; more substantial governmental involvement in the
            economy; less governmental supervision and regulation;
            unavailability of currency hedging techniques; companies that are
            newly organized and small; differences in auditing and financial
            reporting standards, which may result in unavailability of
            material information about issuers; and less developed legal
            systems. In addition, emerging securities markets may have
            different clearance and settlement procedures, which may be unable
            to keep pace with the volume of securities transactions or
            otherwise make it difficult to engage in such transactions.
            Settlement problems may cause a Fund to miss attractive investment
            opportunities, hold a portion of its assets in cash pending
            investment, or be delayed in disposing of a portfolio security.
            Such a delay could result in possible liability to a purchaser of
            the security.

             Special Risks of Investing in Russian and Other Eastern European
            Securities. The Global Innovation and International Funds may
            invest a portion of their assets in securities of issuers located
            in Russia and in other Eastern European countries. While
            investments in securities of such issuers are subject generally to
            the same risks associated with investments in other emerging
            market countries described above, the political, legal and
            operational risks of investing in Russian and other Eastern
            European
                                                                   Prospectus
                                                                              50
<PAGE>

            issuers, and of having assets custodied within these countries,
            may be particularly acute. A risk of particular note with respect
            to direct investment in Russian securities is the way in which
            ownership of shares of companies is normally recorded. When a Fund
            invests in a Russian issuer, it will normally receive a "share
            extract," but that extract is not legally determinative of
            ownership. The official record of ownership of a company's share
            is maintained by the company's share registrar. Such share
            registrars are completely under the control of the issuer, and
            investors are provided with few legal rights against such
            registrars.

Foreign     A Fund that invests directly in foreign currencies or in
Currencies  securities that trade in, and receive revenues in, foreign
            currencies will be subject to currency risk. The Global Innovation
            and International Funds are particularly sensitive to this risk.

             Foreign currency exchange rates may fluctuate significantly over
            short periods of time. They generally are determined by supply and
            demand and the relative merits of investments in different
            countries, actual or perceived changes in interest rates and other
            complex factors. Currency exchange rates also can be affected
            unpredictably by intervention (or the failure to intervene) by
            U.S. or foreign governments or central banks, or by currency
            controls or political developments. For example, significant
            uncertainty surrounds the recent introduction of the euro (a
            common currency unit for the European Union) in January 1999 and
            the effect it may have on the value of securities denominated in
            local European currencies. These and other currencies in which the
            Funds' assets are denominated may be devalued against the U.S.
            dollar, resulting in a loss to the Funds.

             Foreign Currency Transactions. The Equity Income, Global
            Innovation, Growth, Innovation, International, Opportunity,
            Renaissance, Select Growth, Target and Value Funds may enter into
            forward foreign currency exchange contracts to reduce the risks of
            adverse changes in foreign exchange rates. In addition, the Global
            Innovation and International Funds may buy and sell foreign
            currency futures contracts and options on foreign currencies and
            foreign currency futures. A forward foreign currency exchange
            contract, which involves an obligation to purchase or sell a
            specific currency at a future date at a price set at the time of
            the contract, reduces a Fund's exposure to changes in the value of
            the currency it will deliver and increases its exposure to changes
            in the value of the currency it will receive for the duration of
            the contract. The effect on the value of a Fund is similar to
            selling securities denominated in one currency and purchasing
            securities denominated in another currency. Contracts to sell
            foreign currency would limit any potential gain which might be
            realized by a Fund if the value of the hedged currency increases.
            A Fund may enter into these contracts to hedge against foreign
            exchange risk arising from the Fund's investment or anticipated
            investment in securities denominated in foreign currencies.
            Suitable hedging transactions may not be available in all
            circumstances and there can be no assurance that a Fund will
            engage in such transactions at any given time or from time to
            time. Also, such transactions may not be successful and may
            eliminate any chance for a Fund to benefit from favorable
            fluctuations in relevant foreign currencies.

             The Global Innovation and International Funds may also enter into
            these contracts for purposes of increasing exposure to a foreign
            currency or to shift exposure to foreign currency fluctuations
            from one currency to another. To the extent that it does so, a
            Fund will be subject to the additional risk that the relative
            value of currencies will be different than anticipated by the
            Fund's portfolio manager. The Global Innovation and International
            Funds may use one currency (or a basket of currencies) to hedge
            against adverse changes in the value of another currency (or a
            basket of currencies) when exchange rates between the two
            currencies are positively correlated. Each Fund will segregate
            assets determined to be liquid by PIMCO Advisors or the Fund's
            Sub-Adviser in accordance with procedures established by the Board
            of Trustees to cover its obligations under forward foreign
            currency exchange contracts entered into for non-hedging purposes.

Convertible Each Fund may invest in convertible securities. Convertible
Securities  securities are generally preferred stocks and other securities,
            including fixed income securities and warrants, that are
            convertible into or exercisable for common stock at either a
            stated price or a stated rate. The price of a convertible security
            will normally vary in some proportion to changes in the price of
            the underlying common stock because of this conversion or exercise
            feature. However, the value of a convertible security may not
            increase or decrease as rapidly as the underlying common stock. A
            convertible security will normally also provide income and is
            subject to interest rate risk. While convertible securities
            generally offer lower interest or dividend yields than non-
            convertible fixed income securities of similar quality, their
            value tends to increase as the market value of the underlying
            stock increases and to decrease when the value of the underlying
            stock decreases. Also, a Fund may be forced to convert a security
            before it would otherwise choose, which may have an adverse effect
            on the Fund's ability to achieve its investment objective.
  PIMCO Funds: Multi-Manager Series
51
<PAGE>

Derivatives Each Fund (except the Capital Appreciation, Mid-Cap and Small-Cap
            Value Funds) may, but is not required to, use a number of
            derivative instruments for risk management purposes or as part of
            its investment strategies. Generally, derivatives are financial
            contracts whose value depends upon, or is derived from, the value
            of an underlying asset, reference rate or index, and may relate to
            stocks, bonds, interest rates, currencies or currency exchange
            rates, commodities, and related indexes. A portfolio manager may
            decide not to employ any of these strategies and there is no
            assurance that any derivatives strategy used by a Fund will
            succeed.

             Examples of derivative instruments include options contracts,
            futures contracts, options on futures contracts and swap
            agreements. The Equity Income, Global Innovation, Growth,
            Innovation, International, Opportunity, Renaissance, Select
            Growth, Target, Tax-Efficient Equity and Value Funds may purchase
            and sell (write) call and put options on securities, securities
            indexes and foreign currencies. Each of these Funds may purchase
            and sell futures contracts and options thereon with respect to
            securities, securities indexes and foreign currencies. The Tax-
            Efficient Equity Fund may enter into swap agreements with respect
            to securities indexes. A description of these and other derivative
            instruments that the Funds may use are described under "Investment
            Objectives and Policies" in the Statement of Additional
            Information.

             A Fund's use of derivative instruments involves risks different
            from, or greater than, the risks associated with investing
            directly in securities and other more traditional investments. A
            description of various risks associated with particular derivative
            instruments is included in "Investment Objectives and Policies" in
            the Statement of Additional Information. The following provides a
            more general discussion of important risk factors relating to all
            derivative instruments that may be used by the Funds.

             Management Risk Derivative products are highly specialized
            instruments that require investment techniques and risk analyses
            different from those associated with stocks and bonds. The use of
            a derivative requires an understanding not only of the underlying
            instrument but also of the derivative itself, without the benefit
            of observing the performance of the derivative under all possible
            market conditions.

             Credit Risk The use of a derivative instrument involves the risk
            that a loss may be sustained as a result of the failure of another
            party to the contract (usually referred to as a "counterparty") to
            make required payments or otherwise comply with the contract's
            terms.

             Liquidity Risk Liquidity risk exists when a particular derivative
            instrument is difficult to purchase or sell. If a derivative
            transaction is particularly large or if the relevant market is
            illiquid (as is the case with many privately negotiated
            derivatives), it may not be possible to initiate a transaction or
            liquidate a position at an advantageous time or price.

             Leveraging Risk Because many derivatives have a leverage
            component, adverse changes in the value or level of the underlying
            asset, reference rate or index can result in a loss substantially
            greater than the amount invested in the derivative itself. Certain
            derivatives have the potential for unlimited loss, regardless of
            the size of the initial investment. When a Fund uses derivatives
            for leverage, investments in that Fund will tend to be more
            volatile, resulting in larger gains or losses in response to
            market changes. To limit leverage risk, each Fund will segregate
            assets determined to be liquid by PIMCO Advisors or a Sub-Adviser
            in accordance with procedures established by the Board of Trustees
            (or, as permitted by applicable regulation, enter into certain
            offsetting positions) to cover its obligations under derivative
            instruments.

             Lack of Availability Because the markets for certain derivative
            instruments (including markets located in foreign countries) are
            relatively new and still developing, suitable derivatives
            transactions may not be available in all circumstances for risk
            management or other purposes. There is no assurance that a Fund
            will engage in derivatives transactions at any time or from time
            to time. A Fund's ability to use derivatives may also be limited
            by certain regulatory and tax considerations.

             Market and Other Risks Like most other investments, derivative
            instruments are subject to the risk that the market value of the
            instrument will change in a way detrimental to a Fund's interest.
            If a portfolio manager incorrectly forecasts the values of
            securities, currencies or interest rates or other economic factors
            in using derivatives for a Fund, the Fund might have been in a
            better position if it had not entered into the transaction at all.
            While some strategies involving derivative instruments can reduce
            the risk of loss, they can also reduce the opportunity for gain or
            even result in losses by offsetting favorable price movements in
            other Fund investments. A Fund may also have to buy or sell a
            security at a disadvantageous time or price because the Fund is
            legally required to maintain offsetting positions or asset
            coverage in connection with certain derivatives transactions.
                                                                   Prospectus
                                                                              52
<PAGE>

             Other risks in using derivatives include the risk of mispricing
            or improper valuation of derivatives and the inability of
            derivatives to correlate perfectly with underlying assets, rates
            and indexes. Many derivatives, in particular privately negotiated
            derivatives, are complex and often valued subjectively. Improper
            valuations can result in increased cash payment requirements to
            counterparties or a loss of value to a Fund. Also, the value of
            derivatives may not correlate perfectly, or at all, with the value
            of the assets, reference rates or indexes they are designed to
            closely track. In addition, a Fund's use of derivatives may cause
            the Fund to realize higher amounts of short-term capital gains
            (taxed at ordinary income tax rates when distributed to
            shareholders who are individuals) than if the Fund had not used
            such instruments.

Equity-     The International Fund may invest up to 5% of its assets in
Linked      equity-linked securities. Equity-linked securities are privately
Securities  issued securities whose investment results are designed to
            correspond generally to the performance of a specified stock index
            or "basket" of stocks, or sometimes a single stock. To the extent
            that the Fund invests in equity-linked securities whose return
            corresponds to the performance of a foreign securities index or
            one or more of foreign stocks, investing in equity-linked
            securities will involve risks similar to the risks of investing in
            foreign equity securities. See "Foreign Securities" above. In
            addition, the Fund bears the risk that the issuer of an equity-
            linked security may default on its obligations under the security.
            Equity-linked securities may be considered illiquid and thus
            subject to the Fund's restrictions on investments in illiquid
            securities.

Credit      The Funds may invest in securities based on their credit ratings
Ratings     assigned by rating agencies such as Moody's Investors Service,
and         Inc. ("Moody's") and Standard and Poor's Ratings Services ("S&P").
Unrated     Moody's, S&P and other rating agencies are private services that
Securities  provide ratings of the credit quality of fixed income securities,
            including convertible securities. The Appendix to the Statement of
            Additional Information describes the various ratings assigned to
            fixed income securities by Moody's and S&P. Ratings assigned by a
            rating agency are not absolute standards of credit quality and do
            not evaluate market risk. Rating agencies may fail to make timely
            changes in credit ratings and an issuer's current financial
            condition may be better or worse than a rating indicates. A Fund
            will not necessarily sell a security when its rating is reduced
            below its rating at the time of purchase. PIMCO Advisors and the
            Sub-Advisers do not rely solely on credit ratings, and develop
            their own analysis of issuer credit quality.

             A Fund may purchase unrated securities (which are not rated by a
            rating agency) if its portfolio manager determines that the
            security is of comparable quality to a rated security that the
            Fund may purchase. Unrated securities may be less liquid than
            comparable rated securities and involve the risk that the
            portfolio manager may not accurately evaluate the security's
            comparative credit rating.

Loans of    For the purpose of achieving income, each Fund may lend its
Portfolio   portfolio securities to brokers, dealers, and other financial
Securities  institutions provided a number of conditions are satisfied,
            including that the loan is fully collateralized. Please see
            "Investment Objectives and Policies" in the Statement of
            Additional Information for details. When a Fund lends portfolio
            securities, its investment performance will continue to reflect
            changes in the value of the securities loaned, and the Fund will
            also receive a fee or interest on the collateral. Securities
            lending involves the risk of loss of rights in the collateral or
            delay in recovery of the collateral if the borrower fails to
            return the security loaned or becomes insolvent. A Fund may pay
            lending fees to the party arranging the loan.

Short       Each Fund may make short sales as part of its overall portfolio
Sales       management strategies or to offset a potential decline in the
            value of a security. A short sale involves the sale of a security
            that is borrowed from a broker or other institution to complete
            the sale. A Fund may only enter into short selling transactions if
            the security sold short is held in the Fund's portfolio or if the
            Fund has the right to acquire the security without the payment of
            further consideration. For these purposes, a Fund may also hold or
            have the right to acquire securities which, without the payment of
            any further consideration, are convertible into or exchangeable
            for the securities sold short. Short sales expose a Fund to the
            risk that it will be required to acquire, convert or exchange
            securities to replace the borrowed securities (also known as
            "covering" the short position) at a time when the securities sold
            short have appreciated in value, thus resulting in a loss to the
            Fund.

When-       Each Fund may purchase securities which it is eligible to purchase
Issued,     on a when-issued basis, may purchase and sell such securities for
Delayed     delayed delivery and may make contracts to purchase such
Delivery    securities for a fixed price at a future date beyond normal
and         settlement time (forward commitments). When-issued transactions,
Forward     delayed delivery purchases and forward commitments involve a risk
Commitment  of loss if the value of the securities declines prior to the
Trans-      settlement date. This risk is in addition to the risk that the
actions     Fund's


  PIMCO Funds: Multi-Manager Series
53
<PAGE>

            other assets will decline in value. Therefore, these transactions
            may result in a form of leverage and increase a Fund's overall
            investment exposure. Typically, no income accrues on securities a
            Fund has committed to purchase prior to the time delivery of the
            securities is made, although a Fund may earn income on securities
            it has segregated to cover these positions.

Repurchase  Each Fund may enter into repurchase agreements, in which the Fund
Agreements  purchases a security from a bank or broker-dealer that agrees to
            repurchase the security at the Fund's cost plus interest within a
            specified time. If the party agreeing to repurchase should
            default, the Fund will seek to sell the securities which it holds.
            This could involve procedural costs or delays in addition to a
            loss on the securities if their value should fall below their
            repurchase price. Those Funds whose investment objectives do not
            include the earning of income will invest in repurchase agreements
            only as a cash management technique with respect to that portion
            of its portfolio maintained in cash. Repurchase agreements
            maturing in more than seven days are considered illiquid
            securities.

Reverse     Each Fund may enter into reverse repurchase agreements, subject to
Repurchase  the Fund's limitations on borrowings. A reverse repurchase
Agreements  agreement involves the sale of a security by a Fund and its
And Other   agreement to repurchase the instrument at a specified time and
Borrowings  price, and may be considered a form of borrowing for some
            purposes. A Fund will segregate assets determined to be liquid by
            PIMCO Advisors or a Sub-Adviser in accordance with procedures
            established by the Board of Trustees to cover its obligations
            under reverse repurchase agreements. A Fund also may borrow money
            for investment purposes subject to any policies of the Fund
            currently described in this Prospectus or in the Statement of
            Additional Information. Reverse repurchase agreements and other
            forms of borrowings may create leveraging risk for a Fund.

Illiquid    Each Fund may invest in securities that are illiquid so long as
Securities  not more than 15% of the value of the Fund's net assets (taken at
            market value at the time of investment) would be invested in such
            securities. Certain illiquid securities may require pricing at
            fair value as determined in good faith under the supervision of
            the Board of Trustees. A portfolio manager may be subject to
            significant delays in disposing of illiquid securities held by a
            Fund, and transactions in illiquid securities may entail
            registration expenses and other transaction costs that are higher
            than those for transactions in liquid securities. The term
            "illiquid securities" for this purpose means securities that
            cannot be disposed of within seven days in the ordinary course of
            business at approximately the amount at which a Fund has valued
            the securities. Please see "Investment Objectives and Policies" in
            the Statement of Additional Information for a listing of various
            securities that are generally considered to be illiquid for these
            purposes. Restricted securities, i.e., securities subject to legal
            or contractual restrictions on resale, may be illiquid. However,
            some restricted securities (such as securities issued pursuant to
            Rule 144A under the Securities Act of 1933 and certain commercial
            paper) may be treated as liquid, although they may be less liquid
            than registered securities traded on established secondary
            markets.

Investment  The International Fund may invest up to 10% of its assets in
in Other    securities of other investment companies, such as closed-end
Investment  management investment companies, or in pooled accounts or other
Companies   investment vehicles which invest in foreign markets. Each of the
            other Funds may invest up to 5% of its assets in other investment
            companies. As a shareholder of an investment company, a Fund may
            indirectly bear service and other fees which are in addition to
            the fees the Fund pays its service providers.

Portfolio   With the exception of the Tax-Efficient Equity Fund, the length of
Turnover    time a Fund has held a particular security is not generally a
            consideration in investment decisions. A change in the securities
            held by a Fund is known as "portfolio turnover." Each Fund may
            engage in active and frequent trading of portfolio securities to
            achieve its investment objective and principal investment
            strategies, particularly during periods of volatile market
            movements, although the Tax-Efficient Equity Fund will generally
            attempt to limit portfolio turnover as part of its tax-efficient
            management strategies. High portfolio turnover (e.g., over 100%)
            involves correspondingly greater expenses to a Fund, including
            brokerage commissions or dealer mark-ups and other transaction
            costs on the sale of securities and reinvestments in other
            securities. Such sales may also result in realization of taxable
            capital gains, including short-term capital gains (which are taxed
            at ordinary income tax rates when distributed to shareholders who
            are individuals). The trading costs and tax effects associated
            with portfolio turnover may adversely affect a Fund's performance.

Changes     The investment objective of each of the Global Innovation, Growth,
in          Innovation, International, Opportunity, Renaissance, Select
Investment  Growth, Target and Tax-Efficient Equity 25 Funds described in this
Objectives  Prospectus may be changed by the Board of Trustees without
and         shareholder approval. The investment objective of each other Fund
Policies    is fundamental and may not be changed without shareholder
            approval. Unless otherwise stated in the Statement of Additional
            Information, all investment policies of the

                                                                   Prospectus
                                                                              54
<PAGE>

            Funds may be changed by the Board of Trustees without shareholder
            approval. If there is a change in a Fund's investment objective or
            policies, including a change approved by shareholder vote,
            shareholders should consider whether the Fund remains an
            appropriate investment in light of their then current financial
            position and needs.

New Funds   In addition to the risks described under "Summary of Principal
            Risks" above and in this section, the Global Innovation Fund is
            newly formed and therefore has no history upon which investors can
            evaluate its likely performance. Accordingly, there can be no
            assurance that the Fund will achieve its investment objective.
            Also, it is possible that the Fund may invest in securities
            offered in initial public offerings and other similar transactions
            which, because of the Fund's size, have a disproportionate impact
            on the Fund's performance results. The Fund would not necessarily
            have achieved the same performance results if its aggregate net
            assets had been greater.

Percentage  Unless otherwise stated, all percentage limitations on Fund
Investment  investments listed in this Prospectus will apply at the time of
Limitations investment. A Fund would not violate these limitations unless an
            excess or deficiency occurs or exists immediately after and as a
            result of an investment.

Other       The Funds may invest in other types of securities and use a
Investments variety of investment techniques and strategies which are not
and         described in this Prospectus. These securities and techniques may
Techniques  subject the Funds to additional risks. Please see the Statement of
            Additional Information for additional information about the
            securities and investment techniques described in this Prospectus
            and about additional securities and techniques that may be used by
            the Funds.
  PIMCO Funds: Multi-Manager Series
55
<PAGE>




                      (This page left blank intentionally)




                                                                   Prospectus
                                                                              56
<PAGE>

            Financial Highlights

            The financial highlights table is intended to help you understand
            the financial performance of Class A, Class B and Class C shares
            of each Fund for the past 5 years or, if the class is less than 5
            years old, since the class of shares was first offered. Certain
            information reflects financial results for a single Fund share.
            The total returns in the table represent the rate that an investor
            would have earned or lost on an investment in a particular class
            of shares of a Fund, assuming reinvestment of all dividends and
            distributions. Except as provided in the next sentence, this
            information has been audited by PricewaterhouseCoopers LLP, whose
            report, along with each Fund's financial statements, are included
            in the Trust's annual report to shareholders. The information for
            the Target Fund for the period ended December 31, 1999 is included
            in the Trust's semi-annual report to shareholders, and is
            unaudited. The annual report and semi-annual report are
            incorporated by reference in the Statement of Additional
            Information and are available free of charge upon request from the
            Distributor.

             The information provided for each of the Growth, Innovation,
            International, Opportunity, Renaissance and Target Funds reflects
            the operational history of a corresponding series of PIMCO
            Advisors Funds which reorganized as a series of the Trust on
            January 17, 1997. In connection with the reorganizations, these
            Funds changed their fiscal year ends from September 30 to June 30.
            The expense ratios provided for these Funds for periods prior to
            January 17, 1997 reflect fee arrangements of PIMCO Advisors Funds
            previously in effect which differ from the current fee
            arrangements of the Trust. The Global Innovation and Select Growth
            Funds did not offer Class A, B or C shares during the periods
            ended June 30, 1999.

<TABLE>
<CAPTION>
 Year or                                         Net Realized/                  Dividends  Dividends in  Distributions
 Period           Net Asset Value Net            Unrealized     Total Income    From Net   Excess of Net From Net
 Ended            Beginning       Investment     Gain (Loss) on From Investment Investment Investment    Realized Capital
                  of Period       Income (Loss)  Investments    Operations      Income     Income        Gains
- -------------------------------------------------------------------------------------------------------------------------
<S>               <C>             <C>            <C>            <C>             <C>        <C>           <C>
Capital Appreci-
 ation Fund
 Class A
 06/30/99              $26.01         $0.06 (a)       $2.33 (a)       $2.39       $(0.10)       $0.00          $(1.65)
 06/30/98               21.16          0.07 (a)        6.55 (a)        6.62        (0.09)        0.00           (1.68)
 01/20/97-
  06/30/97              19.31          0.09            1.76            1.85         0.00         0.00            0.00
 Class B
 06/30/99               25.75         (0.13)(a)        2.32 (a)        2.19         0.00         0.00           (1.65)
 06/30/98               21.10         (0.11)(a)        6.51 (a)        6.40        (0.07)        0.00           (1.68)
 01/20/97-
  06/30/97              19.31          0.01            1.78            1.79         0.00         0.00            0.00
 Class C
 06/30/99               25.78         (0.13)(a)        2.31 (a)        2.18         0.00         0.00           (1.65)
 06/30/98               21.10         (0.12)(a)        6.53 (a)        6.41        (0.05)        0.00           (1.68)
 01/20/97-
  06/30/97              19.31          0.02            1.77            1.79         0.00         0.00            0.00
<CAPTION>
 Year or          Distributions
 Period           in Excess of
 Ended            Net Realized
                  Capital Gains
- -------------------------------------------------------------------------------------------------------------------------
<S>               <C>
Capital Appreci-
 ation Fund
 Class A
 06/30/99              $0.00
 06/30/98               0.00
 01/20/97-
  06/30/97              0.00
 Class B
 06/30/99               0.00
 06/30/98               0.00
 01/20/97-
  06/30/97              0.00
 Class C
 06/30/99               0.00
 06/30/98               0.00
 01/20/97-
  06/30/97              0.00

Equity Income
 Fund (i)
 Class A
 06/30/99              $16.04         $0.39 (a)       $1.29 (a)       $1.68       $(0.38)       $0.00          $(1.76)
 06/30/98               15.39          0.39 (a)        2.73 (a)        3.12        (0.38)        0.00           (2.09)
 01/20/97-
  06/30/97              13.94          0.15            1.48            1.63        (0.18)        0.00            0.00
 Class B
 06/30/99               15.99          0.28 (a)        1.27 (a)        1.55        (0.28)        0.00           (1.76)
 06/30/98               15.37          0.26 (a)        2.73 (a)        2.99        (0.28)        0.00           (2.09)
 01/20/97-
  06/30/97              13.94          0.11            1.48            1.59        (0.16)        0.00            0.00
 Class C
 06/30/99               16.01          0.27 (a)        1.27 (a)        1.54        (0.27)        0.00           (1.76)
 06/30/98               15.37          0.26 (a)        2.74 (a)        3.00        (0.27)        0.00           (2.09)
 01/20/97-
  06/30/97              13.94          0.11            1.48            1.59        (0.16)        0.00            0.00
Equity Income
 Fund (i)
 Class A
 06/30/99              $0.00
 06/30/98               0.00
 01/20/97-
  06/30/97              0.00
 Class B
 06/30/99               0.00
 06/30/98               0.00
 01/20/97-
  06/30/97              0.00
 Class C
 06/30/99               0.00
 06/30/98               0.00
 01/20/97-
  06/30/97              0.00

Growth Fund (ii)
 Class A
 06/30/99              $32.62        $(0.14)(a)       $5.56 (a)       $5.42        $0.00        $0.00          $(3.92)
 06/30/98               27.03         (0.08)(a)        9.99 (a)        9.91         0.00         0.00           (4.32)
 10/01/96-
  06/30/97              26.58          0.69            3.27            3.96         0.00         0.00           (3.51)
 09/30/96               25.73          0.06            3.72            3.78         0.00         0.00           (2.93)
 09/30/95               22.01          0.12            4.79            4.91         0.00         0.00           (1.19)
 09/30/94               23.64          0.12            0.12            0.24         0.00         0.00           (1.87)
 Class B
 06/30/99               30.34         (0.35)(a)        5.08 (a)        4.73         0.00         0.00           (3.92)
 06/30/98               25.59         (0.28)(a)        9.35 (a)        9.07         0.00         0.00           (4.32)
 10/01/96-
  06/30/97              25.46          0.35            3.29            3.64         0.00         0.00           (3.51)
 09/30/96               24.94         (0.07)           3.52            3.45         0.00         0.00           (2.93)
 05/23/95-
  09/30/95              22.63         (0.03)           2.34            2.31         0.00         0.00            0.00
Growth Fund (ii)
 Class A
 06/30/99              $0.00
 06/30/98               0.00
 10/01/96-
  06/30/97              0.00
 09/30/96               0.00
 09/30/95               0.00
 09/30/94               0.00
 Class B
 06/30/99               0.00
 06/30/98               0.00
 10/01/96-
  06/30/97              0.00
 09/30/96               0.00
 05/23/95-
  09/30/95              0.00
</TABLE>
- -------
  *   Annualized
 (a)  Per share amounts based upon average number of shares outstanding during
      the period.
 (i)  The information provided for the Equity Income Fund reflects the results
      of operations under NFJ Investment Group ("NFJ") as the Fund's Sub-
      Adviser. NFJ is expected to be replaced by the PIMCO Equity Advisors
      division of PIMCO Advisors ("PIMCO Equity Advisors") as the Sub-Adviser to
      the Fund on or about May 8, 2000. The Fund would not necessarily have
      achieved the results shown had PIMCO Equity Advisors been the Fund's Sub-
      Adviser during the periods shown.
 (ii) The information provided for the Growth Fund reflects results of
      operations under the Fund's former Sub-Adviser through March 6, 1999; the
      Fund would not necessarily have achieved the performance results shown
      above under its current investment management arrangements.

  PIMCO Funds: Multi-Manager Series
57
<PAGE>




<TABLE>
<CAPTION>
                                                                                    Ratio of Net
                                                                       Ratio of      Investment
Tax Basis                   Net Asset                                 Expenses to Income (Loss) to
Return of        Total     Value End of               Net Assets End  Average Net   Average Net      Portfolio
 Capital     Distributions    Period    Total Return of Period (000s)   Assets         Assets      Turnover Rate
- ----------------------------------------------------------------------------------------------------------------
 <S>         <C>           <C>          <C>          <C>              <C>         <C>              <C>

    $0.00        $(1.75)       $26.65       10.14%        $91,296         1.10%          0.24%            120%
     0.00         (1.77)        26.01       32.39          72,803         1.10           0.27              75
     0.00          0.00         21.16        9.58           6,534         1.11*          0.59*             87
     0.00         (1.65)        26.29        9.39          55,094         1.85          (0.52)            120
     0.00         (1.75)        25.75       31.39          40,901         1.85          (0.47)             75
     0.00          0.00         21.10        9.27           3,022         1.85*         (0.26)*            87
     0.00         (1.65)        26.31        9.34          81,097         1.85          (0.52)            120
     0.00         (1.73)        25.78       31.40          71,481         1.85          (0.49)             75
     0.00          0.00         21.10        9.27          13,093         1.86*         (0.23)*            87


    $0.00        $(2.14)       $15.58       12.26%        $17,342         1.10%          2.64%             76%
     0.00         (2.47)        16.04       21.35          12,954         1.11           2.39              45
     0.00         (0.18)        15.39       11.77           1,756         1.13*          2.85*             45

     0.00         (2.04)        15.50       11.35          21,732         1.85           1.89              76
     0.00         (2.37)        15.99       20.47          15,178         1.85           1.63              45
     0.00         (0.16)        15.37       11.45           2,561         1.87*          2.11*             45

     0.00         (2.03)        15.52       11.28          26,016         1.85           1.86              76
     0.00         (2.36)        16.01       20.51          23,122         1.85           1.60              45
     0.00         (0.16)        15.37       11.42           6,624         1.87*          2.15*             45



    $0.00        $(3.92)       $34.12       18.65%       $227,638         1.16%         (0.44)%           131%
     0.00         (4.32)        32.62       41.03         180,119         1.16          (0.27)            123
     0.00         (3.51)        27.03       15.93         147,276         1.11*          0.13*             94
     0.00         (2.93)        26.58       16.11         151,103         1.11           0.24             104
     0.00         (1.19)        25.73       23.70         134,819         1.10           0.50             111
     0.00         (1.87)        22.01        1.30         107,269         1.10           0.60             115

     0.00         (3.92)        31.15       17.72         133,850         1.90          (1.19)            131
     0.00         (4.32)        30.34       39.97          80,719         1.91          (1.02)            123
     0.00         (3.51)        25.59       15.32          55,626         1.86*         (0.62)*            94
     0.00         (2.93)        25.46       15.22          37,256         1.86          (0.51)            104
     0.00          0.00         24.94       10.20           7,671         1.90*         (0.40)*           111
</TABLE>
                                                                   Prospectus
                                                                              58
<PAGE>

Financial Highlights (continued)

<TABLE>
<CAPTION>
 Year or                                         Net Realized/                  Dividends  Dividends in  Distributions
  Period          Net Asset Value Net            Unrealized     Total Income    From Net   Excess of Net From Net
  Ended           Beginning       Investment     Gain (Loss) on From Investment Investment Investment    Realized Capital
                  of Period       Income (Loss)  Investments    Operations      Income     Income        Gains
- -------------------------------------------------------------------------------------------------------------------------
<S>               <C>             <C>            <C>            <C>             <C>        <C>           <C>
Growth Fund
 (Cont.)
 Class C
 06/30/99              $30.33        $(0.35)(a)       $5.09 (a)       $4.74        $0.00        $0.00          $(3.92)
 06/30/98               25.58         (0.28)(a)        9.35 (a)        9.07         0.00         0.00           (4.32)
 10/01/96-
  06/30/97              25.46          0.45            3.18            3.63         0.00         0.00           (3.51)
 09/30/96               24.94         (0.12)           3.57            3.45         0.00         0.00           (2.93)
 09/30/95               21.52         (0.04)           4.65            4.61         0.00         0.00           (1.19)
 09/30/94               23.32         (0.04)           0.11            0.07         0.00         0.00           (1.87)
<CAPTION>
 Year or          Distributions
  Period          in Excess of
  Ended           Net Realized
                  Capital Gains
- -------------------------------------------------------------------------------------------------------------------------
<S>               <C>
Growth Fund
 (Cont.)
 Class C
 06/30/99              $0.00
 06/30/98               0.00
 10/01/96-
  06/30/97              0.00
 09/30/96               0.00
 09/30/95               0.00
 09/30/94               0.00

Innovation Fund
 (iii)
 Class A
 06/30/99              $24.28        $(0.28)(a)      $14.72 (a)      $14.44        $0.00        $0.00          $(1.26)
 06/30/98               17.43         (0.19)(a)        8.21 (a)        8.02         0.00         0.00           (0.99)
 10/01/96-
  06/30/97              17.26          0.07            0.36            0.43         0.00         0.00           (0.26)
 9/30/96                14.74         (0.07)           2.94            2.87         0.00         0.00           (0.35)
 12/22/94-
  9/30/95               10.00         (0.06)           4.80            4.74         0.00         0.00            0.00
 Class B
 06/30/99               23.60         (0.49)(a)       14.24 (a)       13.75         0.00         0.00           (1.26)
 06/30/98               17.10         (0.33)(a)        8.00 (a)        7.67         0.00         0.00           (0.99)
 10/01/96-
  06/30/97              17.04         (0.03)           0.35            0.32         0.00         0.00           (0.26)
 9/30/96                14.66         (0.11)           2.84            2.73         0.00         0.00           (0.35)
 5/22/95-
  9/30/95               11.81         (0.08)           2.93            2.85         0.00         0.00            0.00
 Class C
 06/30/99               23.59         (0.48)(a)       14.23 (a)       13.75         0.00         0.00           (1.26)
 06/30/98               17.09         (0.33)(a)        8.00 (a)        7.67         0.00         0.00           (0.99)
 10/01/96-
  06/30/97              17.04         (0.02)           0.33            0.31         0.00         0.00           (0.26)
 9/30/96                14.65         (0.15)           2.89            2.74         0.00         0.00           (0.35)
 12/22/94-
  9/30/95               10.00         (0.13)           4.78            4.65         0.00         0.00            0.00
Innovation Fund
 (iii)
 Class A
 06/30/99              $0.00
 06/30/98              (0.18)
 10/01/96-
  06/30/97              0.00
 9/30/96                0.00
 12/22/94-
  9/30/95               0.00
 Class B
 06/30/99               0.00
 06/30/98              (0.18)
 10/01/96-
  06/30/97              0.00
 9/30/96                0.00
 5/22/95-
  9/30/95               0.00
 Class C
 06/30/99               0.00
 06/30/98              (0.18)
 10/01/96-
  06/30/97              0.00
 9/30/96                0.00
 12/22/94-
  9/30/95               0.00

International
 Fund (iv)
 Class A
 06/30/99              $14.33         $0.01 (a)      $(0.74)(a)      $(0.73)       $0.00        $0.00          $(1.15)
 06/30/98               14.26          0.06 (a)        1.13 (a)        1.19         0.00         0.00           (0.82)
 10/01/96-
  06/30/97              13.03          0.29            1.33            1.62         0.00         0.00           (0.39)
 9/30/96                12.19          0.07            0.77            0.84         0.00         0.00            0.00
 9/30/95                12.92          0.07           (0.56)          (0.49)        0.00         0.00           (0.24)
 9/30/94                12.17          0.04            0.94            0.98         0.00         0.00           (0.23)
 Class B
 06/30/99               13.46         (0.08)(a)       (0.72)(a)       (0.80)        0.00         0.00           (1.15)
 06/30/98               13.56         (0.05)(a)        1.07 (a)        1.02         0.00         0.00           (0.82)
 10/01/96-
  06/30/97              12.48          0.16            1.31            1.47         0.00         0.00           (0.39)
 9/30/96                11.75          0.00 (a)        0.73 (a)        0.73         0.00         0.00            0.00
 5/22/95-
  9/30/95               11.30          0.00            0.45            0.45         0.00         0.00            0.00
 Class C
 06/30/99               13.45         (0.09)(a)       (0.71)(a)       (0.80)        0.00         0.00           (1.15)
 06/30/98               13.55         (0.06)(a)        1.08 (a)        1.02         0.00         0.00           (0.82)
 10/01/96-
  06/30/97              12.47          0.18            1.29            1.47         0.00         0.00           (0.39)
 9/30/96                11.75         (0.05)           0.77            0.72         0.00         0.00            0.00
 9/30/95                12.56         (0.02)          (0.55)          (0.57)        0.00         0.00           (0.24)
 9/30/94                11.92         (0.06)           0.93            0.87         0.00         0.00           (0.23)
International
 Fund (iv)
 Class A
 06/30/99              $0.00
 06/30/98              (0.30)
 10/01/96-
  06/30/97              0.00
 9/30/96                0.00
 9/30/95                0.00
 9/30/94                0.00
 Class B
 06/30/99               0.00
 06/30/98              (0.30)
 10/01/96-
  06/30/97              0.00
 9/30/96                0.00
 5/22/95-
  9/30/95               0.00
 Class C
 06/30/99               0.00
 06/30/98              (0.30)
 10/01/96-
  06/30/97              0.00
 9/30/96                0.00
 9/30/95                0.00
 9/30/94                0.00

Mid-Cap Fund (v)
 Class A
 06/30/99              $24.00         $0.03 (a)      $(0.13)(a)      $(0.10)      $(0.01)       $0.00          $(1.07)
 06/30/98               20.24          0.02 (a)        5.11 (a)        5.13        (0.04)        0.00           (1.33)
 01/13/97-
  06/30/97              18.14         (0.04)           2.14            2.10         0.00         0.00            0.00
 Class B
 06/30/99               23.77         (0.13)(a)       (0.14)(a)       (0.27)        0.00         0.00           (1.07)
 06/30/98               20.17         (0.16)(a)        5.09 (a)        4.93         0.00         0.00           (1.33)
 01/13/97-
  06/30/97              18.14         (0.11)           2.14            2.03         0.00         0.00            0.00
Mid-Cap Fund (v)
 Class A
 06/30/99              $0.00
 06/30/98               0.00
 01/13/97-
  06/30/97              0.00
 Class B
 06/30/99               0.00
 06/30/98               0.00
 01/13/97-
  06/30/97              0.00
</TABLE>
- -------
  *     Annualized
 (a)    Per share amounts based upon average number of shares outstanding during
        the period.
 (b)    Ratio of expenses to average net assets excluding interest expense is
        1.45%.
 (c)    Ratio of expenses to average net assets excluding interest expense is
        2.20%.
 (d)    Ratio of expenses to average net assets excluding interest expense is
        2.20%.
 (iii)  The information provided for the Innovation Fund reflects results of
        operations under the Fund's former Sub-Adviser through March 6, 1999;
        the Fund would not necessarily have achieved the performance results
        shown above under its current investment management arrangements.
 (iv)   The information provided for the International Fund reflects results of
        operations under the Fund's former Sub-Advisers through November 15,
        1994; the Fund would not necessarily have achieved the performance
        results shown above under its current investment management
        arrangements.
 (v)    Formerly the Mid-Cap Growth Fund.

  PIMCO Funds: Multi-Manager Series
59
<PAGE>


<TABLE>
<CAPTION>
                                                                                      Ratio of Net
                                                                       Ratio of        Investment
Tax Basis                   Net Asset                                 Expenses to   Income (Loss) to
Return of        Total     Value End of               Net Assets End  Average Net     Average Net      Portfolio
 Capital     Distributions    Period    Total Return of Period (000s)   Assets           Assets      Turnover Rate
- ------------------------------------------------------------------------------------------------------------------
 <S>         <C>           <C>          <C>          <C>              <C>           <C>              <C>

   $ 0.00        $(3.92)       $31.15       17.76 %      $2,064,450       1.90%           (1.18)%           131%
     0.00         (4.32)        30.33       39.99         1,853,002       1.91            (1.02)            123
     0.00         (3.51)        25.58       15.27         1,514,432       1.86*           (0.61)*            94
     0.00         (2.93)        25.46       15.22         1,450,216       1.86            (0.51)            104
     0.00         (1.19)        24.94       22.80         1,290,152       1.90            (0.20)            111
     0.00         (1.87)        21.52        0.50         1,085,427       1.90            (0.20)            115


    $0.00        $(1.26)       $37.46       61.36 %        $313,946       1.30%           (0.90)%           119%
     0.00         (1.17)        24.28       48.10            85,800       1.31            (0.94)            100
     0.00         (0.26)        17.43        2.41            56,215       1.28*           (0.68)*            80
     0.00         (0.35)        17.26       19.86            50,067       1.31            (0.61)            123
     0.00          0.00         14.74       47.40            28,239       1.40*           (0.60)*            86

     0.00         (1.26)        36.09       60.17           351,876       2.05            (1.64)            119
     0.00         (1.17)        23.60       46.95            81,130       2.06            (1.69)            100
     0.00         (0.26)        17.10        1.79            51,472       2.03*           (1.43)*            80
     0.00         (0.35)        17.04       18.99            33,778       2.06            (1.36)            123
     0.00          0.00         14.66       24.10             6,509       2.30*           (1.70)*            86

     0.00         (1.26)        36.08       60.20           580,251       2.05            (1.65)            119
     0.00         (1.17)        23.59       46.97           219,258       2.06            (1.69)            100
     0.00         (0.26)        17.09        1.73           162,889       2.03*           (1.43)*            80
     0.00         (0.35)        17.04       19.08           137,752       2.06            (1.36)            123
     0.00          0.00         14.65       46.50            63,952       2.20*           (1.40)*            86

    $0.00        $(1.15)       $12.45       (4.31)%         $18,865       1.55%(b)         0.05%             55%
     0.00         (1.12)        14.33        9.95            12,510       1.48             0.41              60
     0.00         (0.39)        14.26       12.82            18,287       1.51*            0.58*             59
     0.00          0.00         13.03        6.89            20,056       1.41             0.49             110
     0.00         (0.24)        12.19       (3.70)           17,951       1.50             0.60             170
     0.00         (0.23)        12.92        8.20            23,289       1.40             0.30              55

     0.00         (1.15)        11.51       (5.15)            9,478       2.29 (c)        (0.67)             55
     0.00         (1.12)        13.46        9.17             8,956       2.22            (0.37)             60
     0.00         (0.39)        13.56       12.17             8,676       2.26*            0.18*             59
     0.00          0.00         12.48        6.21             5,893       2.16            (0.26)            110
     0.00          0.00         11.75        4.00               503       2.30*           (0.10)*           170

     0.00         (1.15)        11.50       (5.15)          101.320       2.30 (d)        (0.75)             55
     0.00         (1.12)        13.45        9.18           132,986       2.22            (0.43)             60
     0.00         (0.39)        13.55       12.18           168,446       2.25*           (0.25)*            59
     0.00          0.00         12.47        6.13           203,544       2.16            (0.26)            110
     0.00         (0.24)        11.75       (4.50)          215,349       2.20            (0.20)            170
     0.00         (0.23)        12.56        7.40           294,492       2.20            (0.50)             55



    $0.00        $(1.08)       $22.82       (0.13)%        $124,680       1.10%            0.15%             85%
     0.00         (1.37)        24.00       25.71            57,164       1.11             0.07              66
     0.00          0.00         20.24       11.58            12,184       1.11*            0.17*             82

     0.00         (1.07)        22.43       (0.86)           84,698       1.85            (0.62)             85
     0.00         (1.33)        23.77       24.76            84,535       1.86            (0.68)             66
     0.00          0.00         20.17       11.19            28,259       1.85*           (0.58)*            82
</TABLE>
                                                                   Prospectus
                                                                              60
<PAGE>

Financial Highlights (continued)

<TABLE>
<CAPTION>
 Year or                                         Net Realized/                  Dividends  Dividends in  Distributions
  Period          Net Asset Value Net            Unrealized     Total Income    From Net   Excess of Net From Net
  Ended           Beginning       Investment     Gain (Loss) on From Investment Investment Investment    Realized Capital
                  of Period       Income (Loss)  Investments    Operations      Income     Income        Gains
- -------------------------------------------------------------------------------------------------------------------------
<CAPTION>
 Year or          Distributions
  Period          in Excess of
  Ended           Net Realized
                  Capital Gains
- -------------------------------------------------------------------------------------------------------------------------

<S>               <C>             <C>            <C>            <C>             <C>        <C>           <C>
Mid-Cap Fund
 (Cont.)
 Class C
 06/30/99              $23.77        $(0.13)(a)      $(0.13)(a)      $(0.26)       $0.00        $0.00          $(1.07)
 06/30/98               20.18         (0.16)(a)        5.08 (a)        4.92         0.00         0.00           (1.33)
 01/13/97-
  06/30/97              18.14         (0.10)           2.14            2.04         0.00         0.00            0.00
<S>               <C>
Mid-Cap Fund
 (Cont.)
 Class C
 06/30/99              $0.00
 06/30/98               0.00
 01/13/97-
  06/30/97              0.00

Opportunity Fund
 (vi)
 Class A
 06/30/99              $31.33        $(0.21)(a)       $0.46 (a)       $0.25        $0.00        $0.00          $(4.62)
 06/30/98               29.35         (0.27)(a)        4.19 (a)        3.92         0.00         0.00           (1.94)
 10/01/96-
  06/30/97              37.36          0.00           (3.10)          (3.10)        0.00         0.00           (4.91)
 09/30/96               39.08         (0.11)           6.12            6.01         0.00         0.00           (7.73)
 09/30/95               28.87         (0.11)          11.19           11.08         0.00         0.00           (0.87)
 09/30/94               33.43         (0.17)          (2.02)          (2.19)        0.00         0.00           (2.26)
 Class B
 03/31/99-
  06/30/99              21.40         (0.09)(a)        2.89 (a)        2.80         0.00         0.00            0.00
 Class C
 06/30/99               28.86         (0.37)(a)        0.32 (a)       (0.05)        0.00         0.00           (4.62)
 06/30/98               27.38         (0.46)(a)        3.88 (a)        3.42         0.00         0.00           (1.94)
 10/01/96-
  06/30/97              35.38         (0.04)          (3.05)          (3.09)        0.00         0.00           (4.91)
 09/30/96               37.64         (0.35)           5.82            5.47         0.00         0.00           (7.73)
 09/30/95               28.04         (0.34)          10.81           10.47         0.00         0.00           (0.87)
 09/30/94               32.77         (0.38)          (1.98)          (2.36)        0.00         0.00           (2.26)
Opportunity Fund
 (vi)
 Class A
 06/30/99              $0.00
 06/30/98               0.00
 10/01/96-
  06/30/97              0.00
 09/30/96               0.00
 09/30/95               0.00
 09/30/94               0.00
 Class B
 03/31/99-
  06/30/99              0.00
 Class C
 06/30/99               0.00
 06/30/98               0.00
 10/01/96-
  06/30/97              0.00
 09/30/96               0.00
 09/30/95               0.00
 09/30/94               0.00

Renaissance Fund
 (vii)
 Class A
 06/30/99              $19.10        $(0.01)(a)      $ 1.45 (a)       $1.44        $0.00        $0.00          $(2.33)
 06/30/98               17.73          0.07 (a)        4.91 (a)        4.98        (0.08)        0.00           (3.53)
 10/01/96-
  06/30/97              16.08          0.12 (a)        3.90 (a)        4.02        (0.12)        0.00           (2.25)
 09/30/96               14.14          0.23            2.79            3.02        (0.23)       (0.07)          (0.78)
 09/30/95               12.50          0.36            1.61            1.97        (0.33)        0.00            0.00
 09/30/94               12.88          0.34           (0.17)           0.17        (0.33)        0.00           (0.22)
 Class B
 06/30/99               19.06         (0.13)(a)        1.39 (a)        1.26         0.00         0.00           (2.33)
 06/30/98               17.77         (0.07)(a)        4.91 (a)        4.84        (0.02)        0.00           (3.53)
 10/01/96-
  06/30/97              16.12          0.03 (a)        3.92 (a)        3.95        (0.05)        0.00           (2.25)
 09/30/96               14.13          0.09            2.83            2.92        (0.11)       (0.04)          (0.78)
 05/22/95-
  09/30/95              12.55          0.11            1.55            1.66        (0.08)        0.00            0.00
 Class C
 06/30/99               18.96         (0.13)(a)        1.41 (a)        1.28         0.00         0.00           (2.33)
 06/30/98               17.69         (0.07)(a)        4.88 (a)        4.81        (0.01)        0.00           (3.53)
 10/01/96-
  06/30/97              16.05          0.03 (a)        3.90 (a)        3.93        (0.04)        0.00           (2.25)
 09/30/96               14.09          0.12            2.78            2.90        (0.13)       (0.03)          (0.78)
 09/30/95               12.47          0.27            1.59            1.86        (0.24)        0.00            0.00
 09/30/94               12.85          0.24           (0.16)           0.08        (0.24)        0.00           (0.22)
Renaissance Fund
 (vii)
 Class A
 06/30/99              $0.00
 06/30/98               0.00
 10/01/96-
  06/30/97              0.00
 09/30/96               0.00
 09/30/95               0.00
 09/30/94               0.00
 Class B
 06/30/99               0.00
 06/30/98               0.00
 10/01/96-
  06/30/97              0.00
 09/30/96               0.00
 05/22/95-
  09/30/95              0.00
 Class C
 06/30/99               0.00
 06/30/98               0.00
 10/01/96-
  06/30/97              0.00
 09/30/96               0.00
 09/30/95               0.00
 09/30/94               0.00
</TABLE>
- -------
* Annualized
(a)   Per share amounts based upon average number of shares outstanding during
      the period.
(vi)  The information provided for the Opportunity Fund reflects results of
      operations under the Fund's former Sub-Adviser through March 6, 1999;
      the Fund would not necessarily have achieved the performance results
      shown above under its current investment management arrangements.
(vii) The information provided for the Renaissance Fund reflects results of
      operations under the Fund's former Sub-Adviser through May 7, 1999; the
      Fund would not necessarily have achieved the performance results shown
      above under its current investment management arrangements.

  PIMCO Funds: Multi-Manager Series
61
<PAGE>


<TABLE>
<CAPTION>
                                                                                   Ratio of Net
                                                                       Ratio of    Investment
   Tax Basis                Net Asset                                  Expenses to Income to
   Return of  Total         Value End of              Net Assets End   Average Net Average Net  Portfolio
   Capital    Distributions Period       Total Return of Period (000s) Assets      Assets       Turnover Rate
- -------------------------------------------------------------------------------------------------------------
 <S>          <C>           <C>          <C>          <C>              <C>         <C>          <C>


    $0.00         $(1.07)       $22.44       (0.82)%      $112,507         1.85%       (0.63)%          85%
     0.00          (1.33)        23.77       24.70         140,438         1.86        (0.68)           66
     0.00           0.00         20.18       11.25          53,686         1.86*       (0.58)*          82



    $0.00         $(4.62)       $26.96        3.98 %      $121,507         1.31%       (0.86)%         175%
     0.00          (1.94)        31.33       13.87         200,935         1.31        (0.88)           86
     0.00          (4.91)        29.35       (8.87)        213,484         1.25*       (0.12)*          69
     0.00          (7.73)        37.36       18.35         134,859         1.13        (0.32)           91
     0.00          (0.87)        39.08       39.70         120,830         1.20        (0.40)          102
    (0.11)         (2.37)        28.87       (6.70)         95,261         1.10        (0.60)           78

     0.00           0.00         24.20       13.08             251         2.03*       (1.65)*         175

     0.00          (4.62)        24.19        3.20         308,877         2.06        (1.62)          175
     0.00          (1.94)        28.86       13.01         500,011         2.06        (1.63)           86
     0.00          (4.91)        27.38       (9.40)        629,446         1.97*       (0.95)*          69
     0.00          (7.73)        35.38       17.47         800,250         1.88        (1.07)           91
     0.00          (0.87)        37.64       38.60         715,191         1.90        (1.10)          102
    (0.11)         (2.37)        28.04       (7.40)        553,460         1.90        (1.40)           78



    $0.00         $(2.33)       $18.21        9.94 %       $90,445         1.26%       (0.04)%         221%
     0.00          (3.61)        19.10       30.98          85,562         1.26         0.35           192
     0.00          (2.37)        17.73       27.53          33,606         1.23*        0.95*          131
     0.00          (1.08)        16.08       22.37          20,631         1.25         1.60           203
     0.00          (0.33)        14.14       16.10          12,933         1.30         2.90           177
     0.00          (0.55)        12.50        1.40          14,942         1.30         2.70           175

     0.00          (2.33)        17.99        8.94         126,576         2.00        (0.78)          221
     0.00          (3.55)        19.06       29.99         100,688         2.01        (0.39)          192
     0.00          (2.30)        17.77       26.88          37,253         1.97*        0.20*          131
     0.00          (0.93)        16.12       21.54          15,693         2.00         0.85           203
     0.00          (0.08)        14.13       13.30           1,760         2.10*        2.20*          177
     0.00          (2.33)        17.91        9.12         442,049         2.00        (0.79)          221
     0.00          (3.54)        18.96       29.98         469,797         2.01        (0.37)          192
     0.00          (2.29)        17.69       26.86         313,226         1.97*        0.21*          131
     0.00          (0.94)        16.05       21.52         230,058         2.00         0.85           203
     0.00          (0.24)        14.09       15.20         174,316         2.10         2.10           177
     0.00          (0.46)        12.47        0.70         178,892         2.00         2.00           175
</TABLE>
                                                                   Prospectus
                                                                              62
<PAGE>

Financial Highlights (continued)

<TABLE>
<CAPTION>
 Year or                                        Net Realized/                  Dividends  Dividends in  Distributions
  Period         Net Asset Value Net            Unrealized     Total Income    From Net   Excess of Net From Net
  Ended          Beginning       Investment     Gain (Loss) on From Investment Investment Investment    Realized Capital
                 of Period       Income (Loss)  Investments    Operations      Income     Income        Gains
- ------------------------------------------------------------------------------------------------------------------------
<CAPTION>
 Year or         Distributions
  Period         in Excess of
  Ended          Net Realized
                 Capital Gains
- ------------------------------------------------------------------------------------------------------------------------

<S>              <C>             <C>            <C>            <C>             <C>        <C>           <C>
Small-Cap Value
 Fund
 Class A
 06/30/99             $17.58         $0.26 (a)      $(1.29)(a)      $(1.03)      $(0.17)       $0.00           $0.00
 06/30/98              15.75          0.23 (a)        2.49 (a)        2.72        (0.13)        0.00           (0.76)
 01/20/97-
  06/30/97             14.02          0.10            1.63            1.73         0.00         0.00            0.00
 Class B
 06/30/99              17.43          0.14 (a)       (1.27)(a)       (1.13)       (0.06)        0.00            0.00
 06/30/98              15.71          0.09 (a)        2.48 (a)        2.57        (0.09)        0.00           (0.76)
 01/20/97-
  06/30/97             14.02          0.08            1.61            1.69         0.00         0.00            0.00
 Class C
 06/30/99              17.44          0.14 (a)       (1.27)(a)       (1.13)       (0.04)        0.00            0.00
 06/30/98              15.71          0.09 (a)        2.49 (a)        2.58        (0.09)        0.00           (0.76)
 01/20/97-
  06/30/97             14.02          0.08            1.61            1.69         0.00         0.00            0.00
Target Fund
 (viii)
 Class A
 12/31/99+            $17.72        $(0.09)(a)      $ 8.91 (a)      $ 8.82       $ 0.00        $0.00          $(1.80)
 06/30/99              16.35         (0.09)(a)        2.44 (a)        2.35         0.00         0.00           (0.98)
 06/30/98              16.82         (0.08)(a)        4.06 (a)        3.98         0.00         0.00           (4.45)
 10/01/96-
  06/30/97             17.11         (0.04)(a)        1.82 (a)        1.78         0.00         0.00           (2.07)
 09/30/96              16.40         (0.05)           2.54            2.49         0.00         0.00           (1.78)
 09/30/95              13.13         (0.02)           3.45            3.43         0.00         0.00           (0.16)
 09/30/94              12.72         (0.04)           0.57            0.53         0.00         0.00           (0.12)
 Class B
 12/31/99+             16.44         (0.16)(a)        8.22 (a)        8.06         0.00         0.00           (1.80)
 06/30/99              15.34         (0.19)(a)        2.27 (a)        2.08         0.00         0.00           (0.98)
 06/30/98              16.14         (0.19)(a)        3.84 (a)        3.65         0.00         0.00           (4.45)
 10/01/96-
  06/30/97             16.58         (0.12)(a)        1.75 (a)        1.63         0.00         0.00           (2.07)
 09/30/96              16.06         (0.09)           2.39            2.30         0.00         0.00           (1.78)
 05/22/95-
  09/30/95             13.93         (0.05)           2.18            2.13         0.00         0.00            0.00
 Class C
 12/31/99+             16.43         (0.15)(a)        8.22 (a)        8.07         0.00         0.00           (1.80)
 06/30/99              15.34         (0.19)(a)        2.26 (a)        2.07         0.00         0.00           (0.98)
 06/30/98              16.13         (0.19)(a)        3.85 (a)        3.66         0.00         0.00           (4.45)
 10/01/96-
  06/30/97             16.58         (0.12)(a)        1.74 (a)        1.62         0.00         0.00           (2.07)
 09/30/96              16.05         (0.16)           2.47            2.31         0.00         0.00           (1.78)
 09/30/95              12.95         (0.12)           3.38            3.26         0.00         0.00           (0.16)
 09/30/94              12.65         (0.14)           0.56            0.42         0.00         0.00           (0.12)
Tax-Efficient
 Equity Fund
 Class A
 07/10/98-
  06/30/99            $10.00         $0.03 (a)       $1.56 (a)       $1.59        $0.00        $0.00           $0.00
 Class B
 07/10/98-
  06/30/99             10.00         (0.05)(a)        1.56 (a)        1.51         0.00         0.00            0.00
 Class C
 07/10/98-
  06/30/99             10.00         (0.05)(a)        1.56 (a)        1.51         0.00         0.00            0.00
Value Fund (ix)
 Class A
 06/30/99             $15.64         $0.24 (a)       $1.35 (a)       $1.59       $(0.22)       $0.00          $(1.72)
 06/30/98              14.80          0.19 (a)        2.46 (a)        2.65        (0.18)        0.00           (1.63)
 01/13/97-
  06/30/97             13.17          0.47            1.26            1.73        (0.10)        0.00            0.00
 Class B
 06/30/99              15.63          0.12 (a)        1.35 (a)        1.47        (0.12)        0.00           (1.72)
 06/30/98              14.80          0.07 (a)        2.46 (a)        2.53        (0.07)        0.00           (1.63)
 01/13/97-
  06/30/97             13.16          0.44            1.26            1.70        (0.06)        0.00            0.00
 Class C
 06/30/99              15.63          0.12 (a)        1.35 (a)        1.47        (0.12)        0.00           (1.72)
 06/30/98              14.80          0.07 (a)        2.46 (a)        2.53        (0.07)        0.00           (1.63)
 01/13/97-
  06/30/97             13.15          0.43            1.28            1.71        (0.06)        0.00            0.00
<S>              <C>
Small-Cap Value
 Fund
 Class A
 06/30/99            $(0.45)
 06/30/98              0.00
 01/20/97-
  06/30/97             0.00
 Class B
 06/30/99             (0.45)
 06/30/98              0.00
 01/20/97-
  06/30/97             0.00
 Class C
 06/30/99             (0.45)
 06/30/98              0.00
 01/20/97-
  06/30/97             0.00
Target Fund
 (viii)
 Class A
 12/31/99+           $ 0.00
 06/30/99              0.00
 06/30/98              0.00
 10/01/96-
  06/30/97             0.00
 09/30/96              0.00
 09/30/95              0.00
 09/30/94              0.00
 Class B
 12/31/99+             0.00
 06/30/99              0.00
 06/30/98              0.00
 10/01/96-
  06/30/97             0.00
 09/30/96              0.00
 05/22/95-
  09/30/95             0.00
 Class C
 12/31/99+             0.00
 06/30/99              0.00
 06/30/98              0.00
 10/01/96-
  06/30/97             0.00
 09/30/96              0.00
 09/30/95              0.00
 09/30/94              0.00
Tax-Efficient
 Equity Fund
 Class A
 07/10/98-
  06/30/99            $0.00
 Class B
 07/10/98-
  06/30/99             0.00
 Class C
 07/10/98-
  06/30/99             0.00
Value Fund (ix)
 Class A
 06/30/99             $0.00
 06/30/98              0.00
 01/13/97-
  06/30/97             0.00
 Class B
 06/30/99              0.00
 06/30/98              0.00
 01/13/97-
  06/30/97             0.00
 Class C
 06/30/99              0.00
 06/30/98              0.00
 01/13/97-
  06/30/97             0.00
</TABLE>

- -------
*      Annualized
+      Unaudited
(a)    Per share amounts based upon average number of shares outstanding during
       the period.
(viii) The information provided for the Target Fund reflects results of
       operations under the Fund's former Sub-Adviser through March 6, 1999; the
       Fund would not necessarily have achieved the performance results shown
       above under its current investment management arrangements.
(ix)   The information provided for the Value Fund reflects the results of
       operations under NFJ as the Fund's Sub-Adviser. NFJ is expected to be
       replaced by PIMCO Equity Advisors as the Sub-Adviser to the Fund on or
       about May 8, 2000. The Fund would not necessarily have achieved the
       results shown had PIMCO Equity Advisors been the Fund's Sub-Adviser
       during the periods shown.

  PIMCO Funds: Multi-Manager Series
63
<PAGE>



<TABLE>
<CAPTION>
                                                                                    Ratio of Net
                                                                       Ratio of      Investment
Tax Basis                   Net Asset                                 Expenses to Income (Loss) to
Return of        Total     Value End of               Net Assets End  Average Net   Average Net      Portfolio
 Capital     Distributions    Period    Total Return of Period (000s)   Assets         Assets      Turnover Rate
- ----------------------------------------------------------------------------------------------------------------
 <S>         <C>           <C>          <C>          <C>              <C>         <C>              <C>
    $0.00        $(0.62)       $15.93       (5.50)%       $107,569        1.25%          1.74 %            60%
     0.00         (0.89)        17.58       17.33           75,070        1.25           1.27              41
     0.00          0.00         15.75       12.34            6,563        1.30*          1.94*             48

     0.00         (0.51)        15.79       (6.22)          96,994        2.00           0.95              60
     0.00         (0.85)        17.43       16.40          110,833        2.00           0.53              41
     0.00          0.00         15.71       12.05           11,077        2.04*          1.23*             48

     0.00         (0.49)        15.82       (6.21)         112,926        2.00           0.95              60
     0.00         (0.85)        17.44       16.42          130,466        2.00           0.52              41
     0.00          0.00         15.71       12.05           20,637        2.05*          1.13*             48



    $0.00        $(1.80)       $24.74       51.23 %       $221,955        1.20%*        (0.96)%*           59%
     0.00         (0.98)        17.72       15.69          170,277        1.21          (0.57)            229
     0.00         (4.45)        16.35       27.49          157,277        1.22          (0.49)            226
     0.00         (2.07)        16.82       11.19          150,689        1.20*         (0.31)*           145
     0.00         (1.78)        17.11       16.50          156,027        1.18          (0.34)            141
     0.00         (0.16)        16.40       26.50          121,915        1.20          (0.10)            128
     0.00         (0.12)        13.13        4.20           90,527        1.20          (0.30)            104

     0.00         (1.80)        22.70       50.60          125,134        1.95*         (1.72)*            59
     0.00         (0.98)        16.44       14.93           78,659        1.95          (1.31)            229
     0.00         (4.45)        15.34       26.45           76,194        1.96          (1.24)            226
     0.00         (2.07)        16.14       10.58           67,531        1.94*         (1.05)*           145
     0.00         (1.78)        16.58       15.58           49,851        1.93          (1.09)            141
     0.00          0.00         16.06       15.30            7,554        2.00*         (0.90)*           128

     0.00         (1.80)        22.70       50.69        1,307,105        1.95*         (1.71)*            59
     0.00         (0.98)        16.43       14.86          910,494        1.95          (1.31)            229
     0.00         (4.45)        15.34       26.53          952,728        1.96          (1.24)            226
     0.00         (2.07)        16.13       10.52          969,317        1.94*         (1.06)*           145
     0.00         (1.78)        16.58       15.66          974,948        1.93          (1.09)            141
     0.00         (0.16)        16.05       25.60          780,355        2.00          (0.90)            128
     0.00         (0.12)        12.95        3.40          556,043        2.00          (1.10)            104


    $0.00         $0.00        $11.59       15.90%          $6,579        1.11%*         0.25%*            13%
     0.00          0.00         11.51       15.10            6,370        1.85*         (0.50)*            13
     0.00          0.00         11.51       15.10           10,742        1.84*         (0.52)*            13



    $0.00        $(1.94)       $15.29       11.93 %        $22,267        1.11%          1.68 %           101%
     0.00         (1.81)        15.64       18.86           21,742        1.11           1.19              77
     0.00         (0.10)        14.80       13.19           15,648        1.11*          1.71*             71

     0.00         (1.84)        15.26       11.05           36,314        1.85           0.85             101
     0.00         (1.70)        15.63       17.98           35,716        1.86           0.45              77
     0.00         (0.06)        14.80       12.93           25,433        1.86*          0.96*             71
     0.00         (1.84)        15.26       11.04           80,594        1.85           0.83             101
     0.00         (1.70)        15.63       17.98           88,235        1.86           0.45              77
     0.00         (0.06)        14.80       13.02           64,110        1.86*          0.97*             71
</TABLE>
                                                                   Prospectus
                                                                              64
<PAGE>

            PIMCO Funds: Multi-Manager Series

            The Trust's Statement of Additional Information ("SAI") and annual
            and semi-annual reports to shareholders include additional
            information about the Funds. The SAI and the financial statements
            included in the Funds' most recent annual report to shareholders
            are incorporated by reference into this Prospectus, which means
            they are part of this Prospectus for legal purposes. The Funds'
            annual report discusses the market conditions and investment
            strategies that significantly affected each Fund's performance
            during its last fiscal year.

            The SAI includes the PIMCO Funds Shareholders' Guide for Class A,
            B and C Shares, a separate booklet which contains more detailed
            information about Fund purchase, redemption and exchange options
            and procedures and other information about the Funds. You can get
            a free copy of the Guide together with or separately from the rest
            of the SAI.

            You may get free copies of any of these materials, request other
            information about a Fund, or make shareholder inquiries by calling
            1-800-426-0107, or by writing to:

                  PIMCO Funds Distributors LLC
                  2187 Atlantic Street
                  Stamford, Connecticut 06902

            You may review and copy information about the Trust, including its
            SAI, at the Securities and Exchange Commission's public reference
            room in Washington, D.C. You may call the Commission at 1-202-942-
            8090 for information about the operation of the public reference
            room. You may also access reports and other information about the
            Trust on the EDGAR database on the Commssion's Web site at
            www.sec.gov. You may get copies of this information, with payment
            of a duplication fee, by electronic request at the following e-
            mail address: [email protected], or by writing the Public
            Reference Section of the Commission, Washington, D.C. 20549-6009.
            You may need to refer to the Trust's file number under the
            Investment Company Act, which is 811-6161.

            You can also visit our Web site at www.pimcofunds.com for
            additional information about the Funds.

[LOGO OF PIMCO FUNDS APPEARS HERE]

            File No. 811-6161
<PAGE>


           --------------------------------------------------------------------
PIMCO Funds:
           INVESTMENT ADVISER AND ADMINISTRATOR
Multi-Manager
           PIMCO Advisors L.P., 800 Newport Center Drive, Newport Beach, CA
Series     92660
           --------------------------------------------------------------------
           SUB-ADVISERS
           PIMCO Equity Advisors division of PIMCO Advisors L.P., Cadence Cap-
           ital Management, NFJ Investment Group, Parametric Portfolio Associ-
           ates, Blairlogie Capital Management
           --------------------------------------------------------------------
           DISTRIBUTOR
           PIMCO Funds Distributors LLC, 2187 Atlantic Street, Stamford, CT
           06902
           --------------------------------------------------------------------
           CUSTODIAN
           State Street Bank & Trust Co., 801 Pennsylvania, Kansas City, MO
           64105
           --------------------------------------------------------------------
           SHAREHOLDER SERVICING AGENT AND TRANSFER AGENT
           PFPC, Inc., P.O. Box 9688, Providence, RI 02940
           --------------------------------------------------------------------
           INDEPENDENT ACCOUNTANTS
           PricewaterhouseCoopers LLP, 1055 Broadway, Kansas City, MO 64105
           --------------------------------------------------------------------
           LEGAL COUNSEL
           Ropes & Gray, One International Place, Boston, MA 02110
           --------------------------------------------------------------------
           For further information about the PIMCO Funds, call 1-800-426-0107
           or vist our Web site at www.pimcofunds.com.
<PAGE>

                           PIMCO Funds is on theWeb
                              www.pimcofunds.com

A Partial List of What's Available:

On-line Account Access

Daily Share Prices

Daily Manager Commentary

Current and Historical Fund Performance

Lipper Rankings

Morningstar Ratings

Listing of Fund Portfolio Holdings

Risk Analysis

Fund Manager Bios

Downloadable Literature Section

On-line Requests for Literature by Mail

Resources for Investment Professionals

Through the PIMCO Funds Website, at www.pimcofunds.com, you and your financial
advisor have around-the-clock access to the most timely and comprehensive
information available on PIMCO Funds.

In addition, the site includes daily commentary from our fund managers, with
insights on the economy and other factors affecting the stock and bond markets.

And now you can access your account--securely--on- line. This feature is
available to shareholders with direct accounts (a direct account is one where
the shareholder receives statements directly from PIMCO Funds.)

[GRAPHIC]

You'll find the site to be informative and easy-to-use. It's divided into three
main sec- tions: Investment Insight, Fund Information and Resources.

Investment Insight
The Investment Insight section provides an overview of the investment management
firms under the PIMCO Advisors L.P. umbrella. You'll find an explanation of each
firm's investment process, biographies of the investment team, manager updates
and more.

Fund Information
In the Fund Information section you'll access detailed profiles of all the PIMCO
Funds, including current and historical performance, Lipper rankings and
Morningstar ratings.

Additionally, we provide a summary of a fund's portfolio-- complete with risk
analysis data. You can also obtain daily fund share prices. Please read the
relevant prospectus careful- ly before you invest in any PIMCO Fund.

Resources
Our Resources section features a variety of useful information, including:

 . an on-line document library with applications and prospectuses that you can
view and print

 . a literature-by-mail "catalog," so you can order free materials

 . information about our convenient shareholder services, such as Auto-Invest,
Fund Link and our 24-Hour Telephone Information System

 . a listing of the features and benefits of the retirement plans offered by
PIMCO Funds


Questions?
We're sure you'll find the PIMCO Funds Web site to be an invaluable tool. If you
have any questions about the site, call us at 1-800-426-0107.

        Or, send us e-mail at [email protected].

Not part of the Prospectus

                             [LOGO OF PIMCO FUNDS]

PIMCO Funds
Distributors LLC

2187 Atlantic Street
Stamford, CT 06902-6896
<PAGE>

                       PIMCO FUNDS: MULTI-MANAGER SERIES

                        Supplement Dated April 3, 2000
                                    to the
                    Prospectus for Class A, B and C Shares
                              Dated April 3, 2000

                    Disclosure Relating to PIMCO Value Fund

  Changes in Sub-Advisory Arrangements. On or about May 8, 2000, the PIMCO
Equity Advisors division of PIMCO Advisors L.P. ("PIMCO Equity Advisors") will
assume full portfolio management responsibility for the PIMCO Value Fund under
the terms of the Trust's investment advisory agreement with PIMCO Advisors.
Until such time when PIMCO Equity Advisors assumes full portfolio management
responsibility for the Fund (the "Transition Date"), NFJ Investment Group
("NFJ"), the Fund's current Sub-Adviser, will continue to provide portfolio
management services under the terms of its Portfolio Management Agreement with
PIMCO Advisors. Information about NFJ is provided in the Prospectus under the
caption "Management of the Funds."

  Until the Transition Date, Chris Najork, Benno J. Fischer and Paul A.
Magnuson will share primary responsibility for the day-to-day management of
the Fund. Messrs. Najork and Fischer have provided portfolio management
services to the Fund since its inception in December 1991. Mr. Magnuson has
provided portfolio management services to the Fund since July, 1995.
Information about Messrs. Najork, Fischer and Magnuson is provided in the
Prospectus under the caption "Management of the Funds--NFJ."

  Changes to Principal Investments and Strategies. Until the Transition Date,
the description of the Fund under "Principal Investments and Strategies" in
the Fund's Fund Summary is amended to read in its entirety as follows:

    The Fund seeks to achieve its investment objective by normally investing
  at least 65% of its assets in common stocks of companies with market
  capitalizations of more than $2 billion at the time of investment and below
  average P/E ratios relative to the market and their respective industry
  groups. To achieve income, the Fund invests a portion of its assets in
  income-producing (or dividend-paying) common stocks.

    The Fund's initial selection universe consists of the 1,000 largest
  publicly traded companies (in terms of market capitalization) in the U.S.
  The portfolio managers classify the universe by industry. They then
  identify the most undervalued stocks in each industry based mainly on
  relative P/E ratios, calculated both with respect to trailing operating
  earnings and forward earnings estimates. After narrowing this universe to
  approximately 150 candidates, the portfolio manager selected approximately
  40 stocks for the Fund, each representing a different industry group. The
  portfolio managers select stocks based on a quantitative analysis of
  factors including price momentum (based on changes in stock price relative
  to changes in overall market prices), earnings momentum (based on analysts'
  earnings per share estimates and revisions to those estimates), relative
  dividend yields, valuation relative to the overall market and trading
  liquidity. The Fund's portfolio is generally rebalanced quarterly. The
  portfolio managers may also replace a stock when a stock within the same
  industry group has a considerably lower valuation than the Fund's current
  holding.

    Under normal circumstances, the Fund intends to be fully invested in
  common stocks (aside from certain cash management practices). The Fund may
  temporarily hold up to 10% of its assets in cash and cash equivalents for
  defensive purposes in response to unfavorable market and other conditions.
  This would be inconsistent with the Fund's investment objective and
  principal strategies.

  In addition, in connection with the above changes, until the Transition Date
the disclosure under "Principal Risks" in the Fund Summary is revised to
indicate that the following are among the principal risks of investing in the
Fund: Market Risk, Issuer Risk, Value Securities Risk, Credit Risk and
Management Risk.
<PAGE>

                Disclosure Relating to PIMCO Equity Income Fund

  Changes in Sub-Advisory Arrangements. On or about May 8, 2000, the PIMCO
Equity Advisors division of PIMCO Advisors L.P. ("PIMCO Equity Advisors") will
assume full portfolio management responsibility for the PIMCO Equity Income
Fund under the terms of the Trust's investment advisory agreement with PIMCO
Advisors. Until such time when PIMCO Equity Advisors assumes full portfolio
management responsibility for the Fund (the "Transition Date"), NFJ Investment
Group ("NFJ"), the Fund's current Sub-Adviser, will continue to provide
portfolio management services under the terms of its Portfolio Management
Agreement with PIMCO Advisors. Information about NFJ is provided in the
Prospectus under the caption "Management of the Funds."

  Until the Transition Date, Chris Najork and Benno J. Fischer will share
primary responsibility for the day-to-day management of the Fund. Messrs.
Najork and Fischer have provided portfolio management services to the Fund
since its inception in March 1991. Information about Messrs. Najork and
Fischer is provided in the Prospectus under the caption "Management of the
Funds--NFJ."

  Changes to Principal Investments and Strategies. Until the Transition Date,
the description of the Fund under "Principal Investments and Strategies" in
the Fund's Fund Summary is amended to read in its entirety as follows:

    The Fund seeks to achieve its investment objective by normally investing
  at least 65% of its assets in income-producing (or dividend-paying) common
  stocks of companies with market capitalizations of more than $2 billion at
  the time of investment.

    The Fund's initial selection universe consists of the 1,000 largest
  publicly traded companies (in terms of market capitalization) in the U.S.
  The portfolio managers classify the universe by industry. They then
  identify the most undervalued stocks in each industry based mainly on
  relative P/E ratios, calculated both with respect to trailing operating
  earnings and forward earnings estimates. From this group of stocks, the
  Fund buys approximately 25 stocks with the highest dividend yields. The
  portfolio managers then screen the most undervalued companies in each
  industry by dividend yield to identify the highest yielding stocks in each
  industry. From this group, the Fund buys approximately 25 additional stocks
  with the lowest P/E ratios.

    In selecting stocks, the portfolio managers consider quantitative factors
  such as price momentum (based on changes in stock price relative to changes
  in overall market prices), earnings momentum (based on analysts' earnings
  per share estimates and revisions to those estimates), relative dividend
  yields, valuation relative to the overall market and trading liquidity. The
  portfolio managers may replace a stock when a stock within the same
  industry group has a considerably higher dividend yield or lower valuation
  than the Fund's current holding.

    Under normal circumstances, the Fund intends to be fully invested in
  common stocks (aside from certain cash management practices). The Fund may
  temporarily hold up to 10% of its assets in cash and cash equivalents for
  defensive purposes in response to unfavorable market and other conditions.
  This would be consistent with the Fund's investment objective and principal
  strategies.

  In addition, in connection with the above changes, until the Transition Date
the disclosure under "Principal Risks" in the Fund Summary is revised to
indicate that the following are among the principal risks of investing in the
Fund: Market Risk, Issuer Risk, Value Securities Risk, Credit Risk and
Management Risk.

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