AMERICAN CENTURY MUTUAL FUNDS INC
497K1, 1998-11-27
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                                  FUND PROFILE

                                Limited-Term Bond

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
     This profile summarizes key information about the fund that is included
          in the fund's Prospectus. The fund's Prospectus has additional
       information about the fund, including a more detailed description of the
        risks associated with investing in the fund, that you may want
      to consider before you invest. You may obtain the Prospectus and other
       information about the fund at no cost by calling us at 1-800-345-2021,
          accessing our Web site or visiting one of our Investor Centers.
        See the back cover for additional telephone numbers and our address.

                                  BENHAM GROUP


                          AMERICAN CENTURY INVESTMENTS

                                LIMITED-TERM BOND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Limited-Term Bond seeks income from investments in corporate bonds and
     other debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund buys quality, short-term corporate bonds and other debt
     securities. Corporate bonds generally are issued by companies to finance
     existing operations or to expand their business. Under normal market
     conditions, the advisor will invest most of the fund's assets in
     investment-grade securities. The remainder will be invested in short-term
     money market instruments.

        The fund advisor actively manages the fund, adjusting its weighted
     average portfolio maturity in response to expected changes in interest
     rates. If interest rates are expected to rise, the weighted average
     maturity of the fund will be shortened to protect its net asset value from
     the effects of falling bond prices. If interest rates are expected to fall,
     the weighted average maturity will be increased to take advantage of
     potentially increasing bond prices.

        The weighted average maturity of the fund is expected to be five years
     or less.

        Additional information about Limited-Term Bond's investments is
     available in its annual and semiannual reports. In these reports you will
     find a discussion of the market conditions and investment strategies that
     significantly affected the fund's performance during the most recent
     six-month period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *   When interest rates change, the fund's share value will be affected.
        Generally, when interest rates rise, the fund's income and its share
        value will decline. The opposite is true when interest rates decline.
        The interest rate risk for Limited-Term Bond is higher than for funds
        that have shorter weighted average maturities, such as money market
        funds.

    *   The fund may invest part of its assets in securities rated in the lowest
        investment-grade category (e.g., Baa or BBB). Although these securities
        are considered investment grade, the issuers are more likely to have
        problems making interest and principal payments than issuers of
        higher-rated securities.

    *   As with all funds, at any given time, the value of your shares of
        Limited-Term Bond may be worth more or less than the price you paid. If
        you sell your shares when the value is less than the price you paid, you
        will lose money.

    *   An investment in the fund is not a bank deposit and it is not insured or
        guaranteed by the Federal Deposit Insurance Corporation or any other
        government agency.

        In summary, Limited-Term Bond is intended for investors who seek a
     competitive level of income with limited price volatility.

     FUND PERFORMANCE

        The following bar chart shows the actual performance of Limited-Term
     Bond's Investor Class shares for each calendar year since the fund's
     inception on March 1, 1994. The bar chart indicates the volatility of the
     fund's historical returns from year to year. Neither the bar chart nor the
     performance information below it is intended to indicate how the fund will
     perform in the future.

[bar chart]

CALENDAR YEAR-BY-YEAR RETURNS

         1995     1996     1997     1998
FPO


LIMITED-TERM BOND                                   AMERICAN CENTURY INVESTMENTS


        The highest and lowest returns of the fund's Investor Class shares for a
     calendar quarter for the life of the fund, are provided in the following
     chart to indicate the fund's historical short-term volatility.

[bar chart]

Highest and Lowest Quarterly Returns
FPO      Quarter Ended 3/31/94      
         Quarter Ended 3/31/95      

        The following table shows the average annual return of the fund's
     Investor Class shares for the periods indicated. The Merrill Lynch 1- to
     5-Year Government/Corporate Index, an unmanaged index that reflects no
     operating costs, is included as a benchmark for long-term performance
     comparisons.

                                                      1 YEAR       LIFE OF FUND
         AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
                  Long-Term Bond                       ____%          ____%
                  Merrill Lynch 1- to 5-Year
                   Govt./Corp. Index                   ____%          ____%

           For current performance information, including yields, please call us
     or access our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There are no sales loads, fees or other charges to buy fund shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American Century funds
     or to redeem your shares. The following table describes the fees and
     expenses that you may pay if you buy and hold shares of the fund.

ANNUAL FUND OPERATING EXPENSES
(EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
         Management Fee                                 0.70%
         Distribution and Service (12b-1) Fees          None
         Other Expenses(1)                              0.00%
         Total Annual Fund Operating Expenses           0.70%

        (1 )Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE OF HYPOTHETICAL FUND COSTS
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                  . . . your cost of investing in the fund would be:

1 year         3 years           5 years             10 years
- -------------------------------------------------------------------------------
  $71            $224              $389                $868

              Of course, actual costs may be higher or lower. Use this example
              to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American Century Investment Management, Inc. provides investment
     advisory and management services for the fund. American Century uses teams
     of portfolio managers, assistant portfolio managers and analysts working
     together to manage its mutual funds. The portfolio managers of the
     Limited-Term Bond team are identified below:

        NORMAN E. HOOPS, Senior Vice President and Portfolio Manager, has been a
     member of the team that manages Limited-Term Bond since the fund's
     inception in March 1994. He joined American Century as Vice President and
     Portfolio Manager in November 1989. In April 1993, he became Senior Vice
     President. He has a bachelor of arts degree from Indiana University and an
     MBA from Butler University.

        JEFFREY L. HOUSTON, Portfolio Manager, has been a member of the team
     that manages Limited-Term Bond since June 1995. He joined American Century
     as an Investment Analyst in 1990 and was promoted to Portfolio Manager in
     1994. He has a bachelor of arts degree from the University of Delaware and
     an MPA from Syracuse University. He is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    *   Complete and return the enclosed application

    *   Call us and exchange shares from another American Century fund

    *   Call us and send your investment by bank wire transfer


FUND PROFILE                                                   LIMITED-TERM BOND


         Your initial investment must be at least $2,500 ($1,000 for traditional
     IRAs, Roth IRAs and UGMA/UTMA accounts), unless you establish an automatic
     investment plan of at least $50 per month. If the value of your account
     falls below this account minimum, your shares may be redeemed
     involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your fund shares on any business day by
     writing or calling us. You also may exchange your shares in Limited-Term
     Bond for shares in nearly 70 other mutual funds offered by American
     Century. Depending on the options you select when you open your account,
     some restrictions may apply. For your protection, some redemption requests
     require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Limited-Term Bond pays distributions of substantially all of its income
     monthly. Distributions may be taxable as ordinary income, capital gains or
     a combination of the two. Capital gains are taxed at different rates
     depending on the length of time the fund held the securities that were
     sold. Distributions are reinvested automatically in additional shares
     unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    *   telephone transactions

    *   wire and electronic funds transfers

    *   24-hour Automated Information Line transactions

    *   24-hour online Internet account access and transactions

        You will find more information about these choices in our Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information contained in our Investor Services Guide pertains to
     shareholders who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If you own or are considering purchasing fund shares through an
     employer-sponsored retirement plan or financial intermediary, your ability
     to purchase shares of the fund, exchange them for shares of other American
     Century funds and redeem them will depend on the terms of your plan or
     financial intermediary. If you have questions about investing in an
     employer-sponsored retirement plan or through a financial intermediary,
     call an Institutional Service Representative at 1-800-345-3533.

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

                        [american century logo(reg.sm)]
                                    American
                                    Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE, NOT-FOR-PROFIT, KEOGH, SEP-,
SARSEP-, SIMPLE-IRA AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

                                                        Funds Distributor, Inc.

SH-BRO-14131   9812
<PAGE>
                                  FUND PROFILE

                             Intermediate-Term Bond

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
    This profile summarizes key information about the fund that is included
         in the fund's Prospectus. The fund's Prospectus has additional
      information about the fund, including a more detailed description of the
       risks associated with investing in the fund, that you may want
     to consider before you invest. You may obtain the Prospectus and other
      information about the fund at no cost by calling us at 1-800-345-2021,
         accessing our Web site or visiting one of our Investor Centers.
      See the back cover for additional telephone numbers and our address.

                                  BENHAM GROUP


                          AMERICAN CENTURY INVESTMENTS

                             INTERMEDIATE-TERM BOND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Intermediate-Term Bond seeks a competitive level of income from
     investments in corporate bonds and other debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund buys quality, short- to intermediate-term corporate bonds and
     other debt securities. Corporate bonds generally are issued by companies to
     finance existing operations or to expand their business. Under normal
     market conditions, the advisor will invest most of the fund's assets in
     investment-grade securities. The remainder will be invested in short-term
     money market instruments.

        The fund advisor actively manages the fund, adjusting its weighted
     average portfolio maturity in response to expected changes in interest
     rates. If interest rates are expected to rise, the weighted average
     maturity of the fund will be shortened to protect its net asset value from
     the effects of falling bond prices. If interest rates are expected to fall,
     the weighted average maturity will be increased to take advantage of
     potentially increasing bond prices.

        The weighted average maturity of the fund is expected to be three to ten
     years.

        Additional information about Intermediate-Term Bond's investments is
     available in its annual and semiannual reports. In these reports you will
     find a discussion of the market conditions and investment strategies that
     significantly affected the fund's performance during the most recent
     six-month period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *   When interest rates change, the fund's share value will be affected.
        Generally, when interest rates rise, the fund's share value will
        decline. The opposite is true when interest rates decline. The interest
        rate risk for Intermediate-Term Bond is higher than for funds that have
        shorter weighted average maturities, such as money market and short-term
        bond funds.

    *   The fund may invest part of its assets in securities rated in the lowest
        investment-grade category (e.g., Baa or BBB). Although these securities
        are considered investment grade, the issuers are more likely to have
        problems making interest and principal payments than issuers of
        higher-rated securities.

    *   As with all funds, at any given time, the value of your shares of
        Intermediate-Term Bond may be worth more or less than the price you
        paid. If you sell your shares when the value is less than the price you
        paid, you will lose money.

    *   An investment in the fund is not a bank deposit and it is not insured or
        guaranteed by the Federal Deposit Insurance Corporation or any other
        government agency.

        In summary, Intermediate-Term Bond is intended for investors who seek a
     higher level of current income than is generally available from
     shorter-term corporate and government securities and who are willing to
     accept a greater degree of price fluctuation.

     FUND PERFORMANCE

        The following bar chart shows the actual performance of
     Intermediate-Term Bond's Investor Class shares for each calendar year since
     the fund's inception on March 1, 1994. The bar chart indicates the
     volatility of the fund's historical returns from year to year. Neither the
     bar chart nor the performance information below it is intended to indicate
     how the fund will perform in the future.

[bar chart]

CALENDAR YEAR-BY-YEAR RETURNS
         1995     1996     1997     1998
FPO


INTERMEDIATE-TERM BOND                              AMERICAN CENTURY INVESTMENTS


        The highest and lowest returns of the fund's Investor Class shares for a
     calendar quarter for the life of the fund, are provided in the following
     chart to indicate the fund's historical short-term volatility.

[bar chart]

Highest and Lowest Quarterly Returns
FPO      Quarter Ended 3/31/94      
         Quarter Ended 3/31/95      

        The following table shows the average annual return of the fund's
     Investor Class shares for the periods indicated. The Lehman Intermediate
     Government/Corporate Index, an unmanaged index that reflects no operating
     costs, is included as a benchmark for long-term performance comparisons.

                                                     1 YEAR        LIFE OF FUND
          AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
                   Intermediate-Term Bond             ____%            ____%
                   Lehman Intermediate
                      Govt./Corp. Index               ____%            ____%

           For current performance information, including yields, please call us
           or access our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There are no sales loads, fees or other charges to buy fund shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American Century funds
     or to redeem your shares. The following table describes the fees and
     expenses that you may pay if you buy and hold shares of the fund.

ANNUAL FUND OPERATING EXPENSES
(EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
         Management Fee                                 0.75%
         Distribution and Service (12b-1) Fees          None
         Other Expenses(1)                              0.00%
         Total Annual Fund Operating Expenses           0.75%

        (1 )Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE OF HYPOTHETICAL FUND COSTS
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                  . . . your cost of investing in the fund would be:

1 year               3 years             5 years              10 years
- -----------------------------------------------------------------------------
  $76                 $239                $416                   $928

              Of course, actual costs may be higher or lower. Use this example
              to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American Century Investment Management, Inc. provides investment
     advisory and management services for the fund. American Century uses teams
     of portfolio managers, assistant portfolio managers and analysts working
     together to manage its mutual funds. The portfolio managers of the
     Intermediate-Term Bond team are identified below:

        NORMAN E. HOOPS, Senior Vice President and Portfolio Manager, has been a
     member of the team that manages Intermediate-Term Bond since the fund's
     inception in March 1994. He joined American Century as Vice President and
     Portfolio Manager in November 1989. In April 1993, he became Senior Vice
     President. He has a bachelor of arts degree from Indiana University and an
     MBA from Butler University.

        JEFFREY L. HOUSTON, Portfolio Manager, has been a member of the team
     that manages Intermediate-Term Bond since May 1995. He joined American
     Century as an Investment Analyst in 1990 and was promoted to Portfolio
     Manager in 1994. He has a bachelor of arts degree from the University of
     Delaware and an MPA from Syracuse University. He is a Chartered Financial
     Analyst.

6. HOW DO I BUY FUND SHARES?

    *   Complete and return the enclosed application

    *   Call us and exchange shares from another American Century fund

    *   Call us and send your investment by bank wire transfer


FUND PROFILE                                              INTERMEDIATE-TERM BOND


         Your initial investment must be at least $2,500 ($1,000 for traditional
     IRAs, Roth IRAs and UGMA/UTMA accounts), unless you establish an automatic
     investment plan of at least $50 per month. If the value of your account
     falls below this account minimum, your shares may be redeemed
     involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your fund shares on any business day by
     writing or calling us. You also may exchange your shares in
     Intermediate-Term Bond for shares in nearly 70 other mutual funds offered
     by American Century. Depending on the options you select when you open your
     account, some restrictions may apply. For your protection, some redemption
     requests require a signature guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Intermediate-Term Bond pays distributions of substantially all of its
     income monthly. Distributions may be taxable as ordinary income, capital
     gains or a combination of the two. Capital gains are taxed at different
     rates depending on the length of time the fund held the securities that
     were sold. Distributions are reinvested automatically in additional shares
     unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    *   telephone transactions

    *   wire and electronic funds transfers

    *   24-hour Automated Information Line transactions

    *   24-hour online Internet account access and transactions

        You will find more information about these choices in our Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information contained in our Investor Services Guide pertains to
     shareholders who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If you own or are considering purchasing fund shares through an
     employer-sponsored retirement plan or financial intermediary, your ability
     to purchase shares of the fund, exchange them for shares of other American
     Century funds and redeem them will depend on the terms of your plan or
     financial intermediary. If you have questions about investing in an
     employer-sponsored retirement plan or through a financial intermediary,
     call an Institutional Service Representative at 1-800-345-3533.

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

                        [american century logo(reg.sm)]
                                    American
                                    Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE, NOT-FOR-PROFIT, KEOGH, SEP-,
SARSEP-, SIMPLE-IRA AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

                                                        Funds Distributor, Inc.

SH-BRO-14132   9812
<PAGE>

                                  FUND PROFILE

                                   Benham Bond

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
    This profile summarizes key information about the fund that is included
        in the fund's Prospectus. The fund's Prospectus has additional
     information about the fund, including a more detailed description of the
      risks associated with investing in the fund, that you may want
   to consider before you invest. You may obtain the Prospectus and other
   information about the fund at no cost by calling us at 1-800-345-2021,
      accessing our Web site or visiting one of our Investor Centers.
    See the back cover for additional telephone numbers and our address.

                                  BENHAM GROUP


                          AMERICAN CENTURY INVESTMENTS

                                   BENHAM BOND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Benham Bond seeks a high level of income from investments in corporate
     bonds and other debt obligations.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund buys quality, intermediate- and longer-term corporate bonds and
     other debt securities. Corporate bonds generally are issued by companies to
     finance existing operations or to expand their business. Under normal
     market conditions, the advisor will invest most of the fund's assets in
     investment-grade securities. The remainder will be invested in short-term
     money market instruments.

        The fund advisor actively manages the fund, adjusting its weighted
     average portfolio maturity in response to expected changes in interest
     rates. If interest rates are expected to rise, the weighted average
     maturity of the fund will be shortened to protect its net asset value from
     the effects of falling bond prices. If interest rates are expected to fall,
     the weighted average maturity will be increased to take advantage of
     potentially increasing bond prices.

        Although there is no weighted average maturity requirement for this
     fund, it will primarily invest in intermediate- and long-term bonds. It is
     anticipated that under normal market conditions, the weighted average
     maturity will be between eight and 20 years.

        Additional information about Benham Bond's investments is available in
     its annual and semiannual reports. In these reports you will find a
     discussion of the market conditions and investment strategies that
     significantly affected the fund's performance during the most recent
     six-month period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *   When interest rates change, the fund's share value will be affected.
        Generally, when interest rates rise, the fund's income and its share
        value will decline. The opposite is true when interest rates decline.
        The interest rate risk for Benham Bond is higher than for funds that
        have shorter weighted average maturities, such as money market and
        short-term and intermediate-term bond funds.

    *   The fund may invest part of its assets in securities rated in the lowest
        investment grade category (e.g., Baa or BBB). Although these securities
        are considered investment grade, the issuers are more likely to have
        problems making interest and principal payments than issuers of
        higher-rated securities.

    *   As with all funds, at any given time, the value of your shares of Benham
        Bond may be worth more or less than the price you paid. If you sell your
        shares when the value is less than the price you paid, you will lose
        money.

    *   An investment in the fund is not a bank deposit and it is not insured or
        guaranteed by the Federal Deposit Insurance Corporation or any other
        government agency.

        In summary, Benham Bond is intended for investors who seek higher income
     than is generally provided by money market or short- and intermediate-term
     securities and who can accept the greater price volatility associated with
     longer-term bonds.

     FUND PERFORMANCE

        The following bar chart shows the actual performance of Benham Bond's
     Investor Class shares for each of the last 10 calendar years. The bar chart
     indicates the volatility of the fund's historical returns from year to
     year. Neither the bar chart nor the performance information below it is
     intended to indicate how the fund will perform in the future.

[bar chart]

CALENDAR YEAR-BY-YEAR RETURNS
         1989   1990   1991   1992   1993   1994   1995   1996   1997   1998
FPO


BENHAM BOND                                        AMERICAN CENTURY INVESTMENTS


        The highest and lowest returns of the fund's Investor Class shares for a
     calendar quarter during the last 10 calendar years, are provided in the
     following chart to indicate the fund's historical short-term volatility.

[bar chart]

Highest and Lowest Quarterly Returns
FPO      Quarter Ended 3/31/94      0.00%
         Quarter Ended 3/31/95      0.00%

        The following table shows the average annual return of the fund's
     Investor Class shares for the periods indicated. The Lehman Aggregate Bond
     Index, an unmanaged index that reflects no operating costs, is included as
     a benchmark for long-term performance comparisons.

                                                1 YEAR     5 years     10 years
         AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
                  Benham Bond                    ____%      ____%        ____%
                  Lehman Arrregate
                    Bond Index                   ____%      ____%        ____%

        For current performance information, including yields, please call us or
        access our Web site.

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There are no sales loads, fees or other charges to buy fund shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American Century funds
     or to redeem your shares. The following table describes the fees and
     expenses that you may pay if you buy and hold shares of the fund.

ANNUAL FUND OPERATING EXPENSES
(EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
         Management Fee                                 0.80%
         Distribution and Service (12b-1) Fees          None
         Other Expenses(1)                              0.00%
         Total Annual Fund Operating Expenses           0.80%

        (1 )Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE OF HYPOTHETICAL FUND COSTS
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                  . . . your cost of investing in the fund would be:

1 year                 3 years               5 years                10 years
- --------------------------------------------------------------------------------
  $82                   $255                   $443                   $987

              Of course, actual costs may be higher or lower. Use this example
              to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American Century Investment Management, Inc. provides investment
     advisory and management services for the fund. American Century uses teams
     of portfolio managers, assistant portfolio managers and analysts working
     together to manage its mutual funds. The portfolio managers of the Benham
     Bond team are identified below:

        NORMAN E. HOOPS, Senior Vice President and Portfolio Manager, has been a
     member of the team that manages Benham Bond since November 1989. He joined
     American Century as Vice President and Portfolio Manager in November 1989.
     In April 1993, he became Senior Vice President. He has a bachelor of arts
     degree from Indiana University and an MBA from Butler University.

        JEFFREY L. HOUSTON, Portfolio Manager, has been a member of the team
     that manages Benham Bond since June 1995. He joined American Century as an
     Investment Analyst in 1990 and was promoted to Portfolio Manager in 1994.
     He has a bachelor of arts degree from the University of Delaware and an MPA
     from Syracuse University. He is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    *   Complete and return the enclosed application

    *   Call us and exchange shares from another American Century fund

    *   Call us and send your investment by bank wire transfer


FUND PROFILE                                                         BENHAM BOND


         Your initial investment must be at least $2,500 ($1,000 for traditional
     IRAs, Roth IRAs and UGMA/UTMA accounts), unless you establish an automatic
     investment plan of at least $50 per month. If the value of your account
     falls below this account minimum, your shares may be redeemed
     involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell a part of your fund shares on any business day by writing
     or calling us. You also may exchange your shares in Benham Bond for shares
     in nearly 70 other mutual funds offered by American Century. Depending on
     the options you select when you open your account, some restrictions may
     apply. For your protection, some redemption requests require a signature
     guarantee.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Benham Bond pays distributions of substantially all of its income
     monthly. Distributions may be taxable as ordinary income, capital gains or
     a combination of the two. Capital gains are taxed at different rates
     depending on the length of time the fund held the securities that were
     sold. Distributions are reinvested automatically in additional shares
     unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    *   telephone transaction

    *   wire and electronic funds transfers

    *   24-hour Automated Information Line transactions

    *   24-hour online Internet account access and transactions

        You will find more information about these choices in our Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information contained in our Investor Services Guide pertains to
     shareholders who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If you own or are considering purchasing fund shares through an
     employer-sponsored retirement plan or financial intermediary, your ability
     to purchase shares of the fund, exchange them for shares of other American
     Century funds and redeem them will depend on the terms of your plan or
     financial intermediary. If you have questions about investing in an
     employer-sponsored retirement plan or through a financial intermediary,
     call an Institutional Service Representative at 1-800-345-3533.

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

                        [american century logo(reg.sm)]
                                    American
                                    Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE, NOT-FOR-PROFIT, KEOGH, SEP-,
SARSEP-, SIMPLE-IRA AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

                                                        Funds Distributor, Inc.

SH-BRO-14133   9812
<PAGE>
                                  FUND PROFILE

                                    Balanced

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
    This profile summarizes key information about the fund that is included
        in the fund's Prospectus. The fund's Prospectus has additional
      information about the fund, including a more detailed description of the
      risks associated with investing in the fund, that you may want
    to consider before you invest. You may obtain the Prospectus and other
    information about the fund at no cost by  calling us at 1-800-345-2021,
       accessing our Web site or visiting one of our Investor Centers.
     See the back cover for additional telephone numbers and our address.

                             AMERICAN CENTURY GROUP


                          AMERICAN CENTURY INVESTMENTS
                                    BALANCED

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Balanced seeks long-term capital growth and current income by investing
     approximately 60% of the fund's assets in equity securities, while the
     remainder is invested in bonds and other fixed income securities.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        With the equity portion of the Balanced portfolio, the fund advisor
     utilizes quantitative management techniques in a two-step process that
     draws heavily on computer technology. In the first step, the fund advisor
     ranks stocks, primarily the 1,500 largest publicly traded companies in the
     United States (measured by the value of their stock). These rankings are
     determined by using a computer model that combines measures of a stock's
     value, as well as measures of its growth potential. To measure value, the
     manager uses ratios of stock price to book value and stock price to cash
     flow, among others. To measure growth, the manager uses, among others, the
     rate of growth of a company's earnings and changes in its earnings
     estimates.

        In the second step, the manager uses a technique called portfolio
     optimization. In portfolio optimization, the manager uses a computer to
     build a portfolio of stocks from the ranking described earlier that it
     thinks will provide the optimal balance between risk and expected return.
     The goal is to create an equity portfolio that provides better returns than
     the S&P 500 without taking on significant additional risk.

        The fixed-income portion of the fund's portfolio is invested in a
     diversified portfolio of high-grade government, corporate, asset-backed and
     similar securities payable in U.S. currency, with a minimum of 25% of the
     fund's assets in fixed-income senior securities. At least 80% of the
     fixed-income assets will be invested in securities that, at the time of
     purchase, are rated within the three highest categories by a nationally
     recognized statistical rating organization. The remaining portion may be
     invested in securities rated in the fourth highest category. Under normal
     market conditions the weighted average maturity for the fixed-income
     portfolio will be in the three- to 10-year range.

        Additional information about Balanced's investments is available in its
     annual and semiannual reports. In these reports you will find a discussion
     of the market conditions and investment strategies that significantly
     affected the fund's performance during the most recent six-month period.
     You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *   The value of Balanced's shares depends on the value of the stocks, bonds
        and other securities it owns. The value of the individual equity
        securities Balanced owns will go up and down depending on the
        performance of the companies that issued them, general market and
        economic conditions, and investor confidence. The value of the fund's
        fixed-income securities will be affected primarily by rising or falling
        interest rates and the continued ability of the issuers of these
        securities to make payments of interest and principal as they become
        due.

    *   When interest rates change, the fund's share value will be affected.
        Generally, when interest rates rise, the fund's share value will
        decline. The opposite is true when interest rates decline. The interest
        rate risk for Balanced is higher than for funds that have shorter
        weighted average maturities, such as money market and short-term bond
        funds.

    *   Market performance tends to be cyclical, and in the various cycles,
        certain investment styles may fall in and out of favor. If the market is
        not favoring the fund's style, the fund's gains may not be as big as, or
        its losses may be bigger than, other funds using different investment
        styles.

    *   As with all funds, at any given time, the value of your shares of
        Balanced may be worth more or less than the price you paid. If you sell
        your shares when the value is less than the price you paid, you will
        lose money.


BALANCED                                            AMERICAN CENTURY INVESTMENTS


    *   An investment in the fund is not a bank deposit and it is not insured or
        guaranteed by the Federal Deposit Insurance Corporation or any other
        government agency.

    *   Although the fund advisor invests the fund's assets pri-marily in U.S.
        stocks, Balanced can invest in securities of foreign companies and
        governments. Foreign securities can have certain unique risks, including
        fluctuations in currency exchange rates, unstable political and economic
        structures, reduced availability of public information and lack of
        uniform financial reporting and regulatory practices similar to those
        that apply to U.S. issuers.

        In summary, Balanced is intended for investors who want an investment
     that combines in a single investment, the potential for long-term capital
     growth with the income produced from a portfolio of intermediate-term
     fixed-income securities, and who are willing to accept the risks associated
     with the fund's investment strategy.

     FUND PERFORMANCE

        The following bar chart shows the actual performance of Balanced's
     Investor Class shares for each of the last 10 calendar years. The bar chart
     indicates the volatility of the fund's historical returns from year to
     year. Neither the bar chart nor the performance information below it is
     intended to indicate how the fund will perform in the future.

[bar chart]
FPO
CALENDAR YEAR-BY-YEAR-RETURNS
           1989   1990   1991   1992   1993   1994   1995   1996   1997   1998
Balanced

        The highest and lowest returns of the fund's Investor Class shares for a
     calendar quarter during the last 10 calendar years, are provided in the
     following chart to indicate the fund's historical short-term volatility.
     Shareholders should be aware, however, that Balanced is intended for
     investors with a long-term investment horizon and is not managed for
     short-term results.

[bar chart]
Highest and Lowest Quarterly Returns
FPO  Quarter Ended 3/31/91    
     Quarter Ended 3/31/94    

        The following table shows the average annual return of the fund's
     Investor Class shares for the periods indicated. Balanced's benchmark is a
     blended index that combines the S&P 500 and the Lehman Intermediate
     Government/Corporate Index in proportion to the 60% stock/40% bond asset
     mix of the fund. The S&P 500 Index and the Lehman Intermediate
     Government/Corporate Index, unmanaged indexes that reflect no operating
     costs, are blended as a benchmark for long-term performance comparisons.

                                  1 YEAR       5 YEAR       10 YEARS
      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
         Balanced                  ____%        ____%         ____%
         Blended Index             ____%        ____%         ____%

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There are no sales loads, fees or other charges to buy fund shares
     directly from American Century, to reinvest dividends in additional shares,
     to exchange into the Investor Class shares of other American Century funds
     or to redeem your shares. The following table describes the fees and
     expenses that you may pay if you buy and hold shares of the fund.


FUND PROFILE                                                            BALANCED


ANNUAL FUND OPERATING EXPENSES
      (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS) Management Fee 1.00%
           Distribution and Service (12b-1) Fees None Other Expenses(1) 0.00%
           Total Annual Fund Operating Expenses 1.00%

        (1 )Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE OF HYPOTHETICAL FUND COSTS
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                  . . . your cost of investing in the fund would be:

                  1 year           3 years         5 years          10 years
            --------------------------------------------------------------------
                   $102             $318            $551             $1,219

               Of course, actual costs may be higher or lower. Use this example
               to compare the costs of investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American Century Investment Management, Inc. provides investment
     advisory and management services for the fund. American Century uses teams
     of portfolio managers, assistant portfolio managers and analysts working
     together to manage its mutual funds. The portfolio managers of the Balanced
     team are identified below:

        NORMAN E. HOOPS, Senior Vice President and Portfolio Manager, has been a
     member of the team that manages Balanced since November 1989. He joined
     American Century as Vice President and Portfolio Manager in November 1989.
     In April 1993, he became Senior Vice President. He has a bachelor of arts
     degree from Indiana University and an MBA from Butler University.

        JOHN SCHNIEDWIND, Senior Vice President and Group Leader-Quantitative
     Equity, has been a member of the team that manages Balanced since November
     1998. He joined American Century in 1982 and also supervises other
     portfolio management teams. He has a bachelor of science degree from Purdue
     University and an MBA in finance from University of California. He is a
     Chartered Financial Analyst.

        JEFFREY R. TYLER, Senior Vice President and Portfolio Manager, has been
     a member of the team that manages Balanced since November 1998. He has been
     with American Century as a portfolio manager since January 1988. He has a
     bachelor's degree in business economics from the University of California
     and an MBA in finance and economics from Northwestern University. He is a
     Chartered Financial Analyst.

        JEFFREY L. HOUSTON, Portfolio Manager, has been a member of the team
     that manages Balanced since June 1995. He joined American Century as an
     Investment Analyst in November 1990 and was promoted to Portfolio Manager
     in 1994. He has a bachelor of arts degree from the University of Delaware
     and an MPA from Syracuse University. He is a Chartered Financial Analyst.

6. HOW DO I BUY FUND SHARES?

    *   Complete and return the enclosed application

    *   Call us and exchange shares from another American Century fund

    *   Call us and send your investment by bank wire transfer

        Your initial investment must be at least $2,500 ($1,000 for traditional
     IRAs, Roth IRAs and UGMA/UTMA accounts), unless you establish an automatic
     investment plan of at least $50 per month. If the value of your account
     falls below this account minimum, your shares may be redeemed
     involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your fund shares on any business day by
     writing or calling us. You also may exchange your shares in Balanced for
     shares in nearly 70 other mutual funds offered by American Century.
     Depending on the options you select when you open your account, some
     restrictions may apply. For your protection, some redemption requests
     require a signature guarantee.


BALANCED                                           AMERICAN CENTURY INVESTMENTS


8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Balanced pays distributions of substantially all of its income
     quarterly. Distributions from realized capital gains are paid once a year,
     usually in December. Distributions may be taxable as ordinary income,
     capital gains or a combination of the two. Capital gains are taxed at
     different rates depending on the length of time the fund held the
     securities that were sold. Distributions are reinvested automatically in
     additional shares unless you choose another option.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    *   telephone transactions

    *   wire and electronic funds transfers

    *   24-hour Automated Information Line transactions

    *   24-hour online Internet account access and transactions

        You will find more information about these choices in our Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information contained in our Investor Services Guide pertains to
     shareholders who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If you own or are considering purchasing fund shares through an
     employer-sponsored retirement plan or financial intermediary, your ability
     to purchase shares of the fund, exchange them for shares of other American
     Century funds and redeem them will depend on the terms of your plan or
     financial intermediary. If you have questions about investing in an
     employer-sponsored retirement plan or through a financial intermediary,
     call an Institutional Service Representative at 1-800-345-3533.


FUND PROFILE                                                           BALANCED


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

                        [american century logo(reg.sm)]
                                    American
                                    Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

CORPORATE, NOT-FOR-PROFIT, KEOGH, SEP-,
SARSEP-, SIMPLE-IRA AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

                                                        Funds Distributor, Inc.

SH-BRO-14134   9812
<PAGE>
                                  FUND PROFILE

                                Giftrust(reg.tm)

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
     This profile summarizes key information about the fund that is included
          in the fund's Prospectus. The fund's Prospectus has additional
       information about the fund, including a more detailed description of the
        risks associated with investing in the fund, that you may want
      to consider before you invest. You may obtain the Prospectus and other
      information about the fund at no cost by calling us at 1-800-345-2021,
          accessing our Web site or visiting one of our Investor Centers.
        See the back cover for additional telephone numbers and our address.

                             TWENTIETH CENTURY GROUP


                          AMERICAN CENTURY INVESTMENTS

                                    GIFTRUST

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        Giftrust seeks capital growth by investing primarily in common stocks.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund advisor looks for stocks of small- to medium-sized companies
     that it believes will increase in value over time. The fund advisor uses a
     growth investment strategy developed by American Century that looks for
     companies whose earnings and revenues are not only growing, but growing at
     a successively faster, or accelerating, pace. Accelerating growth is shown,
     for example, by growth that is faster this quarter than last and faster
     this year than the year before.

        Using American Century's extensive computer database, the fund advisor
     tracks financial information for thousands of companies to research and
     select the stocks it believes will be able to sustain accelerating growth.
     This strategy is based on the premise that, over the long term, the stocks
     of companies with accelerating earnings and revenues have a
     greater-than-average chance to increase in value. This aggressive
     investment strategy, which pursues superior long-term returns for fund
     shareholders, also results in the risks described in the next section.

        The fund advisor does not attempt to time the market. Instead, it
     intends to keep Giftrust essentially fully invested in stocks regardless of
     the movement of stock prices generally. When the fund advisor believes that
     it is prudent, it also may invest assets in non-leveraged futures and
     options. "Non-leveraged" means that the fund may not invest in futures and
     options where it would be possible to lose more than the fund invested.
     Futures and options can help the fund's cash assets remain liquid while
     performing more like stocks.

        Additional information about Giftrust's investments is available in its
     annual and semiannual reports. In these reports you will find a discussion
     of the market conditions and investment strategies that significantly
     affected the fund's performance during the most recent six-month period.
     You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *   Giftrust is a unique way to give a gift to a child, grandchild or other
        individual. You may not invest in the fund for your own account.
        Instead, you must establish an irrevocable trust using a Giftrust
        Agreement, which you received in your Giftrust Kit or you can get from
        American Century. The Giftrust Trustee invests your gift in the fund for
        the benefit of the beneficiary you name under the Agreement.

    *   The minimum term of a Giftrust is 10 years. Neither the person
        establishing the Giftrust nor the beneficiary of the trust may elect to
        withdraw the gift before the expiration of the term of the trust.

    *   Establishing a Giftrust (and making future contributions) is considered
        a gift of a future interest under the federal income tax code. That
        means the person establishing a Giftrust account (or making future
        contributions) is required to file a United States Gift Tax Return.
        Although no gift tax is actually owed to the government until your
        lifetime gifts exceed $625,000 (beginning in 1998 and increasing to $1
        million in 2006), the tax laws applicable to trusts are quite complex.
        You should consider consulting a tax attorney or accountant before
        opening a Giftrust account.

    *   The value of Giftrust's shares depends on the value of the stocks and
        other securities it owns. The value of the individual securities
        Giftrust owns will go up and down depending on the performance of the
        companies that issued them, general market and economic conditions, and
        investor confidence.

    *   The fund advisor will buy a large amount of a company's stock quickly,
        and often will dispose of it quickly if the company's earnings or
        revenues decline. While the fund advisor believes this strategy provides
        substantial appreciation potential over the long term, in the short term
        it can create a significant amount of share price volatility. This
        volatility can be greater than that of the average stock fund.


GIFTRUST                                            AMERICAN CENTURY INVESTMENTS


    *   As with all funds, at any given time, the value of a Giftrust account
        may be worth more or less than the original price.

    *   Because Giftrust generally invests in smaller companies than American
        Century's similarly managed growth equity funds (such as Growth, Ultra
        and Select), it may be more volatile, and subject to greater short-term
        risk, than those funds. Smaller companies may have limited financial
        resources, product lines and markets, and their securities may trade
        less frequently and in more limited volumes than the securities of
        larger companies. In addition, smaller companies may have less publicly
        available information and, when available, it may be inaccurate or
        incomplete.

    *   An investment in the fund is not a bank deposit and it is not insured or
        guaranteed by the Federal Deposit Insurance Corporation or any other
        government agency.

    *   Market performance tends to be cyclical, and in the various cycles,
        certain investment styles may fall in and out of favor. If the market is
        not favoring the fund's style, the fund's gains may not be as big as, or
        its losses may be bigger than, other equity funds using different
        investment styles.

    *   Although the fund advisor invests the fund's assets primarily in U.S.
        stocks, Giftrust can invest in securities of foreign companies. Foreign
        securities can have certain unique risks, including fluctuations in
        currency exchange rates, unstable political and economic structures,
        reduced availability of public information and lack of uniform financial
        reporting and regulatory practices similar to those that apply to U.S.
        issuers.

        In summary, Giftrust is intended for investors who want to give a gift
     to another individual, but want that gift to have the potential to grow
     over time (at least 10 years) in a fund that seeks long-term capital growth
     through an aggressive equity fund. Investors wanting to make such a gift
     must be willing to give up control over the gift forever and accept the
     risks associated with the fund's investment strategy.

     FUND PERFORMANCE

        The following bar chart shows the actual performance of Giftrust's
     shares for each of the last 10 calendar years. The bar chart indicates the
     volatility of the fund's historical returns from year to year. Neither the
     bar chart nor the performance information below it is intended to indicate
     how the fund will perform in the future.

[bar chart]

CALENDAR YEAR-BY-YEAR RETURNS
FPO          1989   1990  1991   1992  1993   1994   1995   1996   1997   1998
Giftrust

        The highest and lowest returns of the fund's shares for a calendar
     quarter during the last 10 calendar years, are provided in the following
     chart to indicate the fund's historical short-term volatility. You should
     be aware, however, that the trusts investing in Giftrust have long-term
     investment horizons and the fund is not managed for short-term results.

[bar chart]

     Highest and Lowest Quarterly Returns
FPO       Quarter Ended 3/31/91     
          Quarter Ended 9/30/90     

        The following table shows the average annual return of the fund's shares
     for the periods indicated. The Russell 2000 Growth Index, an unmanaged
     index that reflects no operating costs, is included as a benchmark for
     long-term performance comparisons.


FUND PROFILE                                                            GIFTRUST


                                           1 YEAR      5 YEARS     10 YEARS
      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
          Giftrust                          ____%       ____%       ____%
          Russell 2000 Growth Index         ____%       ____%       ____%

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There are no sales loads, fees or other charges to establish a Giftrust
     account or to reinvest dividends in additional shares. Upon the maturity of
     a Giftrust (at least 10 years), the beneficiary may exchange his or her
     Giftrust shares into the Investor Class shares of other American Century
     funds or redeem his or her shares at no cost. The following table describes
     the fees and expenses that a Giftrust may pay during the life of the trust.

      ANNUAL FUND OPERATING EXPENSES
      (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
           Management Fee                                 1.00%
           Distribution and Service (12b-1) Fees          None
           Other Expenses(1)                              0.00%
           Total Annual Fund Operating Expenses(2)        1.00%

        (1)Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

        (2)The income of a Giftrust account is exempt from federal income tax
        until it exceeds $100. The Trustee files all federal and state tax
        returns and pays the income taxes out of the assets of the trust. A $10
        fee is charged to the trust in each year a tax return is filed.

        In addition, upon maturity a $100 administrative fee will be charged
        against each Giftrust account established after March 31, 1996, to help
        cover the costs incurred as a result of the Giftrust reaching maturity.

           EXAMPLE OF HYPOTHETICAL FUND COSTS
              Assuming . . .
              * you establish a $10,000 Giftrust account
              * shares are redeemed at the end of the periods shown below 
              * the account earns a 5% return each year 
              * the same fund operating expenses shown above apply each year
                  . . . the cost of investing in the fund would be:

           1 year       3 years       5 years       10 years
           -------------------------------------------------
            $102         $318          $551           $1,219

             Of course, actual costs may be higher or lower. Use this example to
             compare the costs of investing in other funds. It should also be
             noted that, in most instances, a gift made in the fund must be made
             in trust for a minimum term of 10 years and shares may not be
             redeemed before the expiration of the trust's term.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American Century Investment Management, Inc. provides investment
     advisory and management services for the fund. American Century uses teams
     of portfolio managers, assistant portfolio managers and analysts working
     together to manage its mutual funds. The portfolio managers of the Giftrust
     team are identified below:

        CHRISTOPHER K. BOYD, Vice President and Portfolio Manager, has been a
     member of the team that manages Giftrust since rejoining American Century
     in January 1998. With the exception of 1997, he has been with American
     Century since March 1988 and served as a Portfolio Manager since December
     1992. During 1997, he was in private practice as an investment advisor. He
     holds a bachelor of science degree from the University of Kansas and an MBA
     from Darmouth College. He is a Chartered Financial Analyst.

        JOHN D. SEITZER, Vice President and Portfolio Manager, has been a member
     of the team that manages Giftrust since July 1996. He joined American
     Century in June 1993 as an Investment Analyst and was promoted to Portfolio
     Manager in July 1996. He holds a bachelor's degree in accounting and
     finance from Kansas State University and an MBA in finance from Indiana
     University. He is a Chartered Financial Analyst and a Certified Public
     Accountant.

6. HOW DO I BUY FUND SHARES?

    *   Review all materials in the Giftrust Kit you received (to request a kit,
        contact us at our address or phone number below)
    *   Complete and return the Giftrust Agreement
    *   Complete and return the enclosed application
    *   Once your Giftrust is established, call us and exchange shares from
        another American Century fund
    *   Once your Giftrust is established, call us and send your investment by
        bank wire transfer

        Your initial gift to a Giftrust account must be at least $500. All other
     subsequent gifts must be in an amount of $50 or more.


GIFTRUST                                            AMERICAN CENTURY INVESTMENTS


7. HOW DO I SELL FUND SHARES?

        After the Giftrust matures, the beneficiary may sell all or part of his
     or her fund shares on any business day by writing us, calling us or may
     exchange his or her shares in Giftrust for shares in nearly 70 other mutual
     funds offered by American Century. For the beneficiary's protection, some
     redemption requests require a signature guarantee. Before the Giftrust
     matures, the beneficiary may not elect to sell or exchange his or her
     Giftrust shares. Since the person establishing a Giftrust account makes an
     irrevocable gift to the beneficiary, he or she may not elect to sell or
     exchange the Giftrust shares.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        Giftrust pays distributions of substantially all of its income and
     realized capital gains once a year, usually in December. Distributions may
     be taxable to the trust as ordinary income, capital gains or a combination
     of the two. Capital gains are taxed at different rates depending on the
     length of time the fund held the securities that were sold. Distributions
     are reinvested automatically in additional shares. No federal income tax is
     due from the trust unless its income exceeds $100 in a year. The trustee
     files all state and federal tax returns and pays the taxes out of the
     assets of the trust. A $10 fee is charged to the trust in each year a tax
     return is filed.

9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to make
     additional contributions to, or get information about, a Giftrust account,
     such as:

    *   telephone transactions

    *   wire and electronic funds transfers

    *   24-hour Automated Information Line transactions

    *   24-hour online Internet account access and transactions

        You will find more information about these choices in our Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.


FUND PROFILE                                                            GIFTRUST


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

                        [american century logo(reg.sm)]
                                    American
                                    Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

INSTITUTIONAL, CORPORATE, KEOGH, SEP/SARSEP,
SIMPLE AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

                                                        Funds Distributor, Inc.

SH-BRO-14135   9811
<PAGE>
                                  FUND PROFILE

                                New Opportunities

                                 INVESTOR CLASS

                                January 31, 1999

                        [american century logo(reg.sm)]
                                    American
                                    Century

- --------------------------------------------------------------------------------
     This profile summarizes key information about the fund that is included
          in the fund's Prospectus. The fund's Prospectus has additional
       information about the fund, including a more detailed description of the
        risks associated with investing in the fund, that you may want
      to consider before you invest. You may obtain the Prospectus and other
      information about the fund at no cost by calling us at 1-800-345-2021,
          accessing our Web site or visiting one of our Investor Centers.
        See the back cover for additional telephone numbers and our address.

                             TWENTIETH CENTURY GROUP


                          AMERICAN CENTURY INVESTMENTS

                                NEW OPPORTUNITIES

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

        New Opportunities seeks capital growth by investing primarily in common
     stocks.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

        The fund advisor looks for stocks of smaller-sized companies that it
     believes will increase in value over time. Although the advisor intends to
     invest primarily in smaller-sized companies, the fund may own stock of
     medium- and large-sized companies, particularly as the fund gets larger.
     The fund advisor uses a growth investment strategy developed by American
     Century that looks for companies whose earnings and revenues are not only
     growing, but growing at a successively faster, or accelerating, pace.
     Accelerating growth is shown, for example, by growth that is faster this
     quarter than last or faster this year than the year before.

        Using American Century's extensive computer database, the fund advisor
     tracks financial information for thousands of companies to research and
     select the stocks it believes will be able to sustain accelerating growth.
     This strategy is based on the premise that, over the long term, the stocks
     of companies with accelerating earnings and revenues have a
     greater-than-average chance to increase in value. This aggressive
     investment strategy, which pursues superior long-term returns for fund
     shareholders, also results in the risks described in the next section.

        The fund advisor does not attempt to time the market. Instead, it
     intends to keep New Opportunities essentially fully invested in stocks
     regardless of the movement of stock prices generally. When the fund advisor
     believes that it is prudent, it also may invest assets in non-leveraged
     futures and options. "Non-leveraged" means that the fund may not invest in
     futures and options where it would be possible to lose more than the fund
     invested. Futures and options can help the fund's cash assets remain liquid
     while performing more like stocks.

        Additional information about New Opportunities' investments is available
     in its annual and semiannual reports. In these reports you will find a
     discussion of the market conditions and investment strategies that
     significantly affected the fund's performance during the most recent
     six-month period. You may get these reports at no cost by calling us.

3. WHAT ARE THE SIGNIFICANT RISKS OF INVESTING IN THE FUND?

    *   The value of New Opportunities' shares depends on the value of the
        stocks and other securities it owns. The value of the individual
        securities New Opportunities owns will go up and down depending on the
        performance of the companies that issued them, general market and
        economic conditions, and investor confidence.

    *   As with all funds, at any given time, the value of your shares of New
        Opportunities may be worth more or less than the price you paid. If you
        sell your shares when the value is less than the price you paid, you
        will lose money.

    *   Because New Opportunities generally invests in smaller companies than
        American Century's similarly managed growth equity funds (such as
        Growth, Ultra and Select), it may be more volatile, and subject to
        greater short-term risk, than those funds. Smaller companies may have
        limited financial resources, product lines and markets, and their
        securities may trade less frequently and in more limited volumes than
        the securities of larger companies. In addition, smaller companies may
        have less publicly available information and, when available, it may be
        inaccurate or incomplete.

    *   The fund advisor will buy a large amount of a company's stock quickly,
        and often will dispose of it quickly if the company's earnings or
        revenues decline. While the fund advisor believes this strategy provides
        substantial appreciation potential over the long term, in the short term
        it can create a significant amount of share price volatility. This
        volatility can be greater than that of the average stock fund.


NEW OPPORTUNITIES                                   AMERICAN CENTURY INVESTMENTS


    *   An investment in the fund is not a bank deposit and it is not insured or
        guaranteed by the Federal Deposit Insurance Corporation or any other
        government agency.

    *   Market performance tends to be cyclical, and in the various cycles,
        certain investment styles may fall in and out of favor. If the market is
        not favoring the fund's style, the fund's gains may not be as big as, or
        its losses may be bigger than, other equity funds using different
        investment styles.

    *   Although the fund advisor invests the fund's assets primarily in U.S.
        stocks, New Opportunities can invest in securities of foreign companies.
        Foreign securities can have certain unique risks, including fluctuations
        in currency exchange rates, unstable political and economic structures,
        reduced availability of public information and lack of uniform financial
        reporting and regulatory practices similar to those that apply to U.S.
        issuers.

        In summary, New Opportunities is intended for investors with a long-term
     investment horizon (at least 5 years) who seek capital growth through an
     aggressive equity fund and who are willing to accept the risks associated
     with the fund's investment strategy.

     FUND PERFORMANCE

        The following bar chart shows the actual performance of New
     Opportunities' shares for each calendar year since the fund's inception on
     December 26, 1996. The bar chart indicates the volatility of the fund's
     historical returns from year to year. Neither the bar chart nor the
     performance information below it is intended to indicate how the fund will
     perform in the future.

[bar chart]
CALENDAR YEAR-BY-YEAR RETURNS
FPO                      1997        1998
New Opportunities 

        The highest and lowest returns of the fund's shares for a calendar
     quarter for the life of the fund, are provided in the following chart to
     indicate the fund's historical short-term volatility. Shareholders should
     be aware, however, that New Opportunities is intended for investors with a
     long-term investment horizon and is not managed for short-term results.

[bar chart]
     Highest and Lowest Quarterly Returns
FPO       Quarter Ended 3/31/91      
          Quarter Ended 9/30/90      

        The following table shows the average annual return of the fund's shares
     for the periods indicated. The Russell 2000 Growth Index, an unmanaged
     index that reflects no operating costs, is included as a benchmark for
     long-term performance comparisons.

                                         1 YEAR      LIFE OF FUND
      AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED DECEMBER 31, 1998)
          New Opportunities               ____%         ____%
          Russell 2000 Growth Index       ____%         ____%

4. WHAT ARE THE FUND'S FEES AND EXPENSES?

        There are no sales loads, fees or other charges to buy fund shares
     directly from American Century or to reinvest dividends in additional
     shares.

        THE FUND CHARGES A REDEMPTION FEE OF 2.0% OF THE VALUE OF THE SHARES
     SOLD WITHIN FIVE YEARS OF THEIR PURCHASE. This redemption fee is retained
     by the fund. It is intended to discourage short-term investment in the fund
     as well as to decrease the negative impact that short-term investors have
     on the shareholders remaining in the fund. Otherwise, there are no fees or
     charges to exchange into the Investor Class shares of other American
     Century funds or to redeem your shares. The following table describes the
     fees and expenses that you may pay if you buy and hold shares of the fund.


FUND PROFILE                                                   NEW OPPORTUNITIES


      ANNUAL FUND OPERATING EXPENSES
      (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
           Management Fee                                 1.50%
           Distribution and Service (12b-1) Fees          None
           Other Expenses(1)                              0.00%
           Total Annual Fund Operating Expenses           1.50%

        (1)Other expenses, which include the fees and expenses of the fund's
        independent directors, their legal counsel, interest and extraordinary
        expenses, were less than 0.005% for the most recent fiscal year.

           EXAMPLE OF HYPOTHETICAL FUND COSTS
              Assuming you . . .
              * invest $10,000 in the fund
              * redeem your shares at the end of the periods shown below 
              * earn a 5% return each year 
              * incur the same fund operating expenses shown above
                  . . . your cost of investing in the fund would be:

           1 year      3 years       5 years      10 years
           -----------------------------------------------
            $359        $693          $814          $1,778

               If you do not incur the 2% redemption fee by redeeming your
               shares, your cost of investing in the fund for one year would be
               $152 and for three years would be $472. Of course, actual costs
               may be higher or lower. Use this example to compare the costs of
               investing in other funds.

5. WHO ARE THE FUND'S INVESTMENT ADVISOR AND PORTFOLIO MANAGERS?

        American Century Investment Management, Inc. provides investment
     advisory and management services for the fund. American Century uses teams
     of portfolio managers, assistant portfolio managers and analysts working
     together to manage its mutual funds. The portfolio managers of the New
     Opportunities team are identified below:

        CHRISTOPHER K. BOYD, Vice President and Portfolio Manager, has been a
     member of the team that manages New Opportunities since rejoining American
     Century in January 1998. With the exception of 1997, he has been with
     American Century since March 1988 and served as a Portfolio Manager since
     December 1992. During 1997, he was in private practice as an investment
     advisor. He holds a bachelor of science degree from the University of
     Kansas and an MBA from Darmouth College. He is a Chartered Financial
     Analyst.

        JOHN D. SEITZER, Vice President and Portfolio Manager, has been a member
     of the team that manages New Opportunities since the fund's inception. He
     joined American Century in June 1993 as an Investment Analyst and was
     promoted to Portfolio Manager in July 1996. He holds a bachelor's degree in
     accounting and finance from Kansas State University and an MBA in finance
     from Indiana University. He is a Chartered Financial Analyst and a
     Certified Public Accountant.

6. HOW DO I BUY FUND SHARES?

    *   Complete and return the enclosed application

    *   Call us and exchange shares from another American Century fund

    *   Call us and send your investment by bank wire transfer

        The minimum initial investment for Priority Investors must be at least
     $10,000; the maximum aggregate investment in the fund is $500,000. If the
     value of your account falls below this account minimum, your shares may be
     redeemed involuntarily.

7. HOW DO I SELL FUND SHARES?

        You may sell all or part of your fund shares on any business day by
     writing or calling us. You also may exchange your shares in New
     Opportunities for shares in nearly 70 other mutual funds offered by
     American Century. Depending on the options you select when you open your
     account, some restrictions may apply. For your protection, some redemption
     requests require a signature guarantee.

        IF YOU SELL SHARES OF NEW OPPORTUNITIES WITHIN FIVE YEARS OF THEIR
     PURCHASE, YOU WILL PAY A REDEMPTION FEE OF 2.0% OF THE VALUE OF THE SHARES
     SOLD.

8. HOW ARE FUND DISTRIBUTIONS MADE AND TAXED?

        New Opportunities pays distributions of substantially all of its income
     and realized capital gains once a year, usually in December. Distributions
     may be taxable as ordinary income, capital gains or a combination of the
     two. Capital gains are taxed at different rates depending on the length of
     time the fund held the securities that were sold. Distributions are
     reinvested automatically in additional shares unless you choose another
     option.


NEW OPPORTUNITIES                                   AMERICAN CENTURY INVESTMENTS


9. WHAT SERVICES ARE AVAILABLE?

        American Century offers several ways to make it easier for you to manage
     your account, such as:

    *   telephone transactions

    *   wire and electronic funds transfers

    *   24-hour Automated Information Line transactions

    *   24-hour online Internet account access and transactions

        You will find more information about these choices in our Investor
     Services Guide, which you may request by calling us, accessing our Web site
     or visiting one of our Investor Centers.

        Information contained in our Investor Services Guide pertains to
     shareholders who invest directly with American Century rather than through
     an employer-sponsored retirement plan or through a financial intermediary.

        If you own or are considering purchasing fund shares through an
     employer-sponsored retirement plan or financial intermediary, your ability
     to purchase shares of the fund, exchange them for shares of other American
     Century funds and redeem them will depend on the terms of your plan or
     financial intermediary. If you have questions about investing in an
     employer-sponsored retirement plan or through a financial intermediary,
     call an Institutional Service Representative at 1-800-345-3533.


FUND PROFILE                                                   NEW OPPORTUNITIES


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

                        [american century logo(reg.sm)]
                                    American
                                    Century

AMERICAN CENTURY INVESTMENTS
P.O. BOX 419200
KANSAS CITY, MISSOURI 64141-6200

WWW.AMERICANCENTURY.COM

INVESTOR SERVICES
1-800-345-2021 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

INSTITUTIONAL, CORPORATE, KEOGH, SEP/SARSEP,
SIMPLE AND 403(B) SERVICES
1-800-345-3533

TELECOMMUNICATIONS DEVICE FOR THE DEAF
1-800-634-4113 or 816-444-3485

FAX
816-340-7962

                                                        Funds Distributor, Inc.

SH-BRO-14136   9811


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