AMERICAN CENTURY MUTUAL FUNDS INC
497K3B, 1999-04-16
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[front cover]

AMERICAN CENTURY

Fund Profile

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

Growth Fund

This profile  summarizes key information  about the fund that is included in the
fund's Prospectus.  The fund's Prospectus includes 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.

[photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

 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.




GROWTH FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Growth  seeks  long-term  capital  growth by  investing  primarily in common
    stocks.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  look for large  company  stocks that they  believe  will
    increase in value over time. They use 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 managers
    track  financial  information  for  thousands  of  companies to research and
    select the stocks they believe 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 managers do not attempt to time the market. Instead, they intend to
    keep Growth  essentially fully invested in stocks regardless of the movement
    of  stock  prices  generally.  When  the fund  managers  believe  that it is
    prudent,  they 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 Growth'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 fiscal 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 Growth's  shares depends on the value of the stocks and other
    securities it owns.  The value of the  individual  securities  that the fund
    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  managers 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 managers believe 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.

    * As with all funds,  at any given  time the value of your  shares of Growth
    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 (FDIC) 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  managers  invest the fund's  assets  primarily in U.S.
    stocks,  Growth  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,  Growth is intended for  investors  who seek  long-term  capital
    growth  through an aggressive  equity fund and who are willing to accept the
    risks associated with the fund's investment strategy.


Growth                                        American Century Investments




    FUND PERFORMANCE

    The following bar chart shows the actual  performance  of Growth'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. The bar
    chart and performance information below are not intended to indicate how the
    fund will perform in the future.

[data shown in bar chart]
    Calendar Year-By-Year Returns (1)
          1998           36.77%
          1997           29.28%
          1996           15.01%
          1995           20.35%
          1994           -1.49%
          1993            3.76%
          1992           -4.29%
          1991           69.02%
          1990           -3.85%
          1989           43.13%

          (1 )As of March 31, 1999, the end of the most recent calendar quarter,
          Growth's year-to-date return was 7.22%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Growth                    28.45% (1Q 1991)        -19.44% (3Q 1990)

    The following  table shows the average annual return of the fund's  Investor
    Class shares for the periods  indicated.  The Russell 1000 Growth Index,  an
    unmanaged index that reflects no operating costs, is included as a benchmark
    for performance comparisons.

                           1 YEAR       5 YEARS      10 YEARS    LIFE OF FUND(1)
AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
        Growth              27.33%      21.01%        18.22%        19.17%
        Russell 1000
          Growth Index      28.11%      28.41%        20.50%        N/A(2)
        S&P 500 Index       18.42%      26.19%        18.92%        13.75%

        (1 )Although the fund's actual inception date was October 31, 1958, life
        of fund is calculated  from June 30, 1971,  when the management  company
        implemented its current investment philosophy and practices.

        (2 )Benchmark began January 1, 1979.

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 fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     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
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as 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 on the Growth
    team are identified as follows:

    C. KIM GOODWIN,  Senior Vice  President  and Portfolio  Manager,  has been a
    member of the team that manages  Growth since  joining  American  Century in
    October 1997.  Before joining  American  Century,  she served as Senior


Fund Profile                                                          Growth



    Vice President and Portfolio Manager at Putnam  Investments from May 1996 to
    September  1997 and Vice  President  and  Portfolio  Manager  at  Prudential
    Investments  from  February  1993 to April 1996.  She has a bachelor of arts
    from  Princeton  University,  an MBA in  finance  and a  master's  in public
    affairs from the University of Texas.

    GREGORY J. WOODHAMS, Vice President and Portfolio Manager, has been a member
    of the  team  that  manages  Growth  since he  joined  American  Century  in
    September  1997 as an  Investment  Analyst.  He was  promoted  to  Portfolio
    Manager for the Growth team in May 1998. Before joining American Century, he
    served as Vice President and Director of Equity  Research for Texas Commerce
    Bank, a subsidiary of Chase  Manhattan  Bank. He has a bachelor's  degree in
    economics from Rice  University and an M.A. in economics from the University
    of Wisconsin. 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 your  redemption  activity
    causes the value of your  account to fall 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 Growth 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?

    Growth 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.

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 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
    a 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

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

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-353

Visit our Web site at WWW.AMERICANCENTURY.COM [link to web site with arrow]


SH-PRF-16084   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

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


Select Fund

This profile  summarizes key information  about the fund that is included in the
fund's Prospectus.  The fund's Prospectus includes 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.

[photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

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.




SELECT FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Select  seeks  long-term  capital  growth by  investing  primarily in common
    stocks.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund managers look for stocks of large  companies that they believe will
    increase  in value over time.  Eighty  percent of  Select's  assets  must be
    invested  in  securities  of  companies  that pay  regular  dividends,  have
    committed to pay dividends,  or otherwise produce income.  This reflects the
    fund  managers'  strategy  to buy stocks of  companies  that are  successful
    enough to pay  dividends.  The amount of dividends  may not be  significant,
    however,  because stocks are not picked based upon the amount of income they
    produce.  The  remaining  20% of fund  assets may be  invested  in any other
    permissible  securities  that the fund  managers  believe will help the fund
    achieve its objective.

    The fund  managers use 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 managers
    track  financial  information  for  thousands  of  companies to research and
    select the stocks they believe 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 managers do not attempt to time the market. Instead, they intend to
    keep Select  essentially fully invested in stocks regardless of the movement
    of  stock  prices  generally.  When  the fund  managers  believe  that it is
    prudent,  they 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 Select'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 fiscal 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 Select's  shares depends on the value of the stocks and other
    securities it owns.  The value of the  individual  securities  that the fund
    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  managers 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 managers believe 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.

    * As with all funds,  at any given  time the value of your  shares of Select
    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 (FDIC) 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  managers  invest the fund's  assets  primarily in U.S.
    stocks,  Select  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.


Select                                        American Century Investments




    In summary,  Select is intended for  investors  who seek  long-term  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 Select'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. The bar
    chart and the performance information below are not intended to indicate how
    the fund will perform in the future.

[data shown in bar chart]
    Calendar Year-By-Year Returns (1)
           1998           35.65%
           1997           32.19%
           1996           19.22%
           1995           22.67%
           1994           -8.04%
           1993           14.67%
           1992           -4.45%
           1991           31.58%
           1990           -0.41%
           1989           39.51%

           (1 )As of  March  31,  1999,  the  end of the  most  recent  calendar
           quarter, Select's year-to-date return was 8.50%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Select                    22.30% (4Q 1998)        -13.12% (3Q 1990)

    The following  table shows the average annual return of the fund's  Investor
    Class  shares for the periods  indicated.  The S&P 500 Index,  an  unmanaged
    index that  reflects no  operating  costs,  is  included as a benchmark  for
    performance comparisons.

                           1 YEAR      5 YEARS      10 YEARS     LIFE OF FUND(1)
AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
          Select           29.39%      22.49%        17.10%         17.92%
          S&P 500 Index    18.42%      26.19%        18.92%         13.75%

        (1 )Although the fund's actual inception date was October 31,1958,  life
        of fund is calculated  from June 30, 1971,  when the management  company
        implemented its current investment philosophy and practices.

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 fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     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
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as 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 on the Select
    team are identified as follows:

    JEAN C. LEDFORD,  Senior Vice  President and Portfolio  Manager,  has been a
    member of the team that manages  Select since  joining  American  Century in
    January 1997. Prior to joining American Century, she worked for the State of


Fund Profile                                                             Select




    Wisconsin  Investment Board as an Investment Director from 1980 to 1996. She
    has a  bachelor  of  arts  and an MBA in  finance  from  the  University  of
    Wisconsin. She is a Chartered Financial Analyst.

    RICHARD  S.  WELSH,  Portfolio  Manager,  has been a member of the team that
    manages Select since May 1998. He joined American  Century in August 1994 as
    an Equity Research Analyst and was promoted to Investment Analyst in January
    1997. Prior to joining American Century, he served as a Research Analyst for
    Oppenheimer Funds and Brown Brothers Harriman & Company. He has a bachelor's
    degree  in  economics  from  Boston  University  and an MBA in  finance  and
    accounting from New York University.

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 your  redemption  activity
    causes the value of your  account to fall 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 Select 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?

    Select 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.

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 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
    a 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

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

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-353

Visit our Web site at WWW.AMERICANCENTURY.COM [link to web site with arrow]


SH-PRF-16083   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

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


Ultra Fund

This profile  summarizes key information  about the fund that is included in the
fund's Prospectus.  The fund's Prospectus includes 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.

[photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

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.




ULTRA FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Ultra  seeks  long-term  capital  growth by  investing  primarily  in common
    stocks.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  look for stocks of medium to large  companies  that they
    believe  will  increase in value over time.  The fund  managers use 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 managers
    track  financial  information  for  thousands  of  companies to research and
    select the stocks they believe 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 managers do not attempt to time the market. Instead, they intend to
    keep Ultra  essentially  fully invested in stocks regardless of the movement
    of  stock  prices  generally.  When  the fund  managers  believe  that it is
    prudent,  they 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 Ultra'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 fiscal 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 Ultra's  shares  depends on the value of the stocks and other
    securities it owns.  The value of the  individual  securities  that the fund
    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  managers 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 managers believe 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.

    * As with all funds, at any given time the value of your shares of Ultra 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 (FDIC) 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  managers  invest the fund's  assets  primarily in U.S.
    stocks,  Ultra 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,  Ultra is intended  for  investors  who seek  long-term  capital
    growth  through an aggressive  equity fund and who are willing to accept the
    risks associated with the fund's investment strategy.


Ultra                                         American Century Investments




    FUND PERFORMANCE

    The following  bar chart shows the actual  performance  of Ultra'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. The bar
    chart and the performance information below are not intended to indicate how
    the fund will perform in the future.

[data shown in bar chart]
    Calendar Year-By-Year Returns (1)
          1998           34.55%
          1997           23.13%
          1996           13.85%
          1995           37.68%
          1994           -3.62%
          1993           21.81%
          1992            1.27%
          1991           86.45%
          1990            9.36%
          1989           36.94%

          (1 )As of March 31, 1999, the end of the most recent calendar quarter,
          Ultra's year-to-date return was 10.30%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Ultra                     40.75% (1Q 1991)        -16.16% (3Q 1990)

    The following  table shows the average annual return of the fund's  Investor
    Class  shares for the periods  indicated.  The S&P 500 Index,  an  unmanaged
    index that  reflects no  operating  costs,  is  included as a benchmark  for
    performance comparisons.

                      1 YEAR     5 YEARS     10 YEARS     LIFE OF FUND(1)
AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
    Ultra             28.00%      22.97%      23.19%        19.17%
    S&P 500 Index     18.42%      26.19%      18.92%        18.18%

    (1) The inception date for Ultra is November 2, 1981.

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 fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     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
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as 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 on the Ultra
    team are identified as follows:

    JAMES E. STOWERS III, Chief Executive Officer and Portfolio Manager,  joined
    American Century as a Portfolio  Manager of Ultra and other American Century
    growth-oriented  funds in 1981.  He has a bachelor's  degree in finance from
    Arizona State University.

    JOHN R. SYKORA, Vice President and Portfolio Manager, has been a member of
    the team that manages Ultra since November 1997. He joined American Century
    in May 1994 as an Investment Analyst and was promoted to Portfolio


Fund Profile                                                             Ultra




    Manager in August 1997.  Before  joining  American  Century,  he served as a
    Financial  Analyst for Business Men's Assurance  Company of America,  Kansas
    City,  Missouri,  from August 1993 to April 1994. He has a bachelor's degree
    in  accounting  and  finance  and an  MBA in  finance  from  Michigan  State
    University. He is a Chartered Financial Analyst.

    BRUCE A. WIMBERLY,  Vice President and Portfolio Manager,  has been a member
    of the team that manages Ultra since July 1996. He joined  American  Century
    in September 1994 as an Investment Analyst. Before joining American Century,
    he attended Kellogg Graduate School of Management,  Northwestern  University
    from August 1992 to August 1994,  where he obtained  his MBA in finance.  He
    also has a bachelor of arts from Middlebury College.

    JOHN  SMALL,  JR.,  Portfolio  Manager,  has been a member  of the team that
    manages Ultra since September 1994 and was promoted to Portfolio  Manager in
    February 1999. He joined  American  Century in May 1991. He has more than 20
    years'  experience with the U.S. Air Force. He has a bachelor's  degree from
    Rockford  College  and a master's  degree  from the Air Force  Institute  of
    Technology. He also has an MBA from Baker University.

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 your  redemption  activity
    causes the value of your  account to fall 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 Ultra 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?

    Ultra 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.

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 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
    a 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

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

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-353

Visit our Web site at WWW.AMERICANCENTURY.COM [link to web site with arrow]


SH-PRF-16086   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

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


Heritage Fund

This profile  summarizes key information  about the fund that is included in the
fund's Prospectus.  The fund's Prospectus includes 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.

[photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

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.




HERITAGE FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Heritage seeks  long-term  capital  growth by investing  primarily in common
    stocks.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  look for  stocks of  companies  that they  believe  will
    increase in value over time. A majority of the stocks selected are issued by
    medium-  and  smaller-sized  companies,  although  the fund may own stock of
    larger  companies,  too. Sixty percent of Heritage's assets must be invested
    in securities of companies that pay regular dividends, have committed to pay
    dividends,  or otherwise  produce  income.  This reflects the fund managers'
    strategy  to buy  stocks  of  companies  that are  successful  enough to pay
    dividends. The amount of dividends may not be significant,  however, because
    stocks are not picked  based upon the  amount of income  they  produce.  The
    remaining  40% of fund  assets  may be  invested  in any  other  permissible
    securities  that the fund  managers  believe  will help the fund achieve its
    objective.

    The fund  managers use 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 managers
    track  financial  information  for  thousands  of  companies to research and
    select the stocks they believe 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 managers do not attempt to time the market. Instead, they intend to
    keep  Heritage  essentially  fully  invested  in  stocks  regardless  of the
    movement of stock prices  generally.  When the fund managers believe that it
    is  prudent,  they 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  Heritage'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 fiscal 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  Heritage's  shares  depends  on the value of the  stocks and
    other  securities it owns. The value of the individual  securities  that the
    fund 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  managers 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 managers believe this strategy provides significant
    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.

    * As with all funds,  at any given time the value of your shares of Heritage
    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 (FDIC) or any other
    government agency.

    * Although the fund can purchase  securities of any size  company,  the fund
    managers  will tend to invest in medium- and  smaller-sized  companies  with
    smaller share trading volume.

    * 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.

    * In times of rapid market expansion, the fund's holdings in dividend-paying
    stocks may dampen its performance.


Heritage                                      American Century Investments




    * Although  the fund  managers  invest the fund's  assets  primarily in U.S.
    stocks,  Heritage 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,  Heritage is intended for investors who seek  long-term  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 Heritage'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. The bar
    chart and the performance information below are not intended to indicate how
    the fund will perform in the future.

[data shown in bar chart]
    Calendar Year-By-Year Returns (1)
          1998           -0.15%
          1997           19.35%
          1996           15.31%
          1995           26.66%
          1994           -6.32%
          1993           20.43%
          1992           10.13%
          1991           35.98%
          1990           -9.16%
          1989           35.06%

    (1) As of March  31,  1999,  the end of the most  recent  calendar  quarter,
    Heritage's year-to-date return was 1.31%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    Heritage                  17.65% (4Q 1998)        -21.16% (3Q 1998)

    The following  table shows the average annual return of the fund's  Investor
    Class  shares for the periods  indicated.  The S&P MidCap 400, an  unmanaged
    index that  reflects no  operating  costs,  is  included as a benchmark  for
    performance  comparisons  because  it is viewed  as a proxy for the  mid-cap
    market. The companies comprising the index are, on average,  larger than the
    companies in which the fund invests. As a result, differences in performance
    can be expected.

                          1 YEAR    5 YEARS    10 YEARS     LIFE OF FUND(1)
     AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
        Heritage          -9.19%     11.46%      13.03%      14.46%
        S&P MidCap 400     0.45%     18.20%      17.43%      18.90%(2)

        (1) The inception date for Heritage is November 10, 1987.

        (2) Benchmark from November 30, 1987.

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 fund

    * to redeem your shares

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.


     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
             Assuming you . . .
             * invest $10,000 in the fund
             * redeem all of your shares at the end of the periods shown below
             * earn a 5% return each year
             * incur the same operating expenses as 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.


Fund Profile                                                       Heritage




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 on the Heritage
    team are identified as follows:

    HAROLD S. BRADLEY,  Senior Vice President and Portfolio Manager,  has been a
    member  of the team  that  manages  Heritage  since  March  1998.  He joined
    American Century in 1988 and managed the global equity,  futures and foreign
    exchange  trading  activities for American  Century until he was promoted to
    Portfolio Manager. He has a bachelor of arts from Marquette University.

    LINDA K.  PETERSON,  Portfolio  Manager,  has been a member of the team that
    manages  Heritage since March 1998. She joined American Century in 1986. She
    served as an  Investment  Analyst  for  American  Century's  growth-oriented
    equity funds,  including Heritage,  from April 1994 until February 1998. She
    has a bachelor's  degree in finance from the University of Northern Iowa and
    an MBA from the  University  of Missouri - Kansas  City.  She 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 your  redemption  activity
    causes the value of your  account to fall 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 Heritage 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?

    Heritage 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.

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 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
    a 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

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

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-340-7962

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-3533

Visit our Web site at WWW.AMERICANCENTURY.COM [link to web site with arrow]


SH-PRF-16085   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

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


New Opportunities Fund

This profile  summarizes key information  about the fund that is included in the
fund's Prospectus.  The fund's Prospectus includes 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.

[photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

You may obtain the Prospectus and other information about the fund at no cost by
calling us at  1-800-345-8810,  accessing  our Web site or  visiting  one of our
Investor  Centers.  See the back cover for additional  telephone numbers and our
address.




NEW OPPORTUNITIES FUND

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  managers  look for  stocks of  smaller-sized  companies  that they
    believe will  increase in value over time.  Although the managers  intend 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 managers use a growth investment strategy developed by American Century
    that looks for  companies  whose  earnings  and  revenues  are  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.  It also  includes  situations  where a company's
    growth rate,  although  still  negative,  is improving at a faster rate than
    prior periods.

    Using American  Century's  extensive  computer  database,  the fund managers
    track  financial  information  for  thousands  of  companies to research and
    select the stocks they believe 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 managers do not attempt to time the market. Instead, they intend to
    keep New  Opportunities  essentially  fully invested in stocks regardless of
    the movement of stock prices generally.  When the fund managers believe that
    it is  prudent,  they 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 fiscal
    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  that
    the  fund  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  managers 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 managers believe 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 (FDIC) 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  managers  invest 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.  The bar chart and the  performance  information
    below are not intended to indicate how the fund will perform in the future.

[data show in bar chart]
    Calendar Year-By-Year Returns (1)
           1998           13.33%
           1997            3.14%

           (1 )As of March 31, 1999 the end of the most recent calendar quarter,
           New Opportunities' year-to-date return was 0.67%.

    The highest and lowest quarterly returns for the period reflected in the bar
    chart are:

                              Highest                 Lowest
    New Opportunities         28.23% (4Q 1998)        -21.62% (3Q 1998)

    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 performance
    comparisons.

                            1 YEAR       LIFE OF FUND(1)
AVERAGE ANNUAL TOTAL RETURNS (PERIOD ENDED MARCH 31, 1999)
    New Opportunities         2.74%          8.32%
    Russell 2000
      Growth Index          -11.04%          5.34%(2)

        (1) The inception date for New Opportunities is December 26, 1996.

        (2) Benchmark from December 31, 1996.

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

    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 will pay if you buy and hold shares of the fund.

     SHAREHOLDER FEES
     (FEES PAID DIRECTLY FROM YOUR INVESTMENT)
         Redemption Fee
             Shares held less than five years           2.0%
             Shares held for five years or more         None


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

                   1 year       3 years       5 years       10 years
                   $359          $693         $1,051         $1,778

             You would pay the  following  expenses  if you did not redeem  your
             shares at the end of the periods shown below:

                   1 year       3 years       5 years       10 years
                   $152          $472          $814          $1,778

             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  on the New
    Opportunities team are identified as follows:

    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
    has a bachelor  of  science  from the  University  of Kansas and an MBA from
    Dartmouth 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  in
    December  1996.  He joined  American  Century in June 1993 as an  Investment
    Analyst  and was  promoted  to  Portfolio  Manager  in July  1996.  He has 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

    New Opportunities is only available for purchase by participants in American
    Century's  Priority Investor Program and employees of American Century.  The
    minimum initial  investment for Priority Investors must be at least $10,000;
    the maximum aggregate investment in the fund is $500,000. If your redemption
    activity  causes  the  value of your  account  to fall  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.


New Opportunities                              American Century Investments




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.

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.


Fund Profile                                              New Opportunities




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


AMERICAN CENTURY INVESTMENTS
P.O. BOX 419287
KANSAS CITY, MISSOURI 64141-6287

PRIORITY INVESTORS
1-800-345-8810 or 816-531-5575

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX
816-531-5689

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-353

Visit our Web site at WWW.AMERICANCENTURY.COM [link to web site with arrow]


SH-PRF-16087   9904                                   Funds Distributor, Inc.
<PAGE>
[front cover]

AMERICAN CENTURY

Fund Profile

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


Tax-Managed Value Fund

This profile  summarizes key information  about the fund that is included in the
fund's Prospectus.  The fund's Prospectus includes 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.

[photos of woman and girls blowing bubbles, men talking, woman at computer]

                                                                  APRIL 25, 1999
                                                                  INVESTOR CLASS

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.




TAX-MANAGED VALUE FUND

1. WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

    Tax-Managed Value seeks long-term  capital growth by investing  primarily in
    common  stocks while  attempting  to minimize the impact of federal taxes on
    shareholder returns.

2. WHAT IS THE FUND'S INVESTMENT STRATEGY?

    The fund  managers  use a value  investment  strategy  to look for stocks of
    medium to large companies that the fund managers  believe are undervalued at
    the time of purchase.  Companies may be undervalued due to market  declines,
    poor  economic  conditions,  actual or  anticipated  bad news  regarding the
    issuer or its  industry,  or  because  they have  been  overlooked  by other
    investors. To identify these companies, the fund managers look for companies
    with earnings, cash flows and/or assets that may not be reflected accurately
    in the companies' stock prices.

    To minimize  taxable  distributions,  the fund managers employ the following
    tax-sensitive  techniques that may sometimes be inconsistent with the fund's
    objective of long-term capital growth:

    * The fund  managers  seek to  minimize  realized  capital  gains by keeping
    portfolio turnover  relatively low and generally holding its investments for
    longer periods.

    * The fund managers seek to minimize realized capital gains when selling the
    shares of a  specific  company by  analyzing  the  fund's  holdings  of that
    company's  shares to determine which shares were purchased at what price and
    typically selling those shares bought at the highest price.

    * The fund managers may seek to minimize  realized  capital gains by selling
    securities to realize  capital  losses.  Realized  capital losses can offset
    realized capital gains,  thereby reducing capital gain  distributions to the
    fund's shareholders.

    * When appropriate,  the fund managers may seek to minimize taxable dividend
    income by investing in stocks with lower dividend yields.

    While the fund seeks to minimize taxable  distributions to shareholders,  it
    may realize  taxable gains and earn some  dividends.  For example,  the fund
    managers may elect to sell a security, even if the sale results in a taxable
    gain,  if they  determine  the tax impact of the sale is outweighed by other
    factors.  Such other factors may include the investment  risk of holding the
    security or the  availability  of a  replacement  security that has a better
    potential  return.  In addition,  redemptions by shareholders  could make it
    necessary for the fund to sell securities,  potentially resulting in capital
    gains. Under certain  circumstances,  payment of the redemption price may be
    made in whole or in part by a  distribution  in kind of securities  from the
    fund in lieu of cash, at the fund managers' discretion.

    Investors   who   frequently   redeem  their  shares   generate   additional
    transactional costs for the fund and may cause the fund to recognize capital
    gains and  greater  brokerage  commissions  that must be borne by the fund's
    remaining shareholders. To encourage long-term investing, the fund applies a
    2.0%  redemption fee to shares held for less than one year. The fees will be
    paid  directly to the fund and will be used to help  reimburse  the fund for
    costs incurred by the fund when buying and selling securities.

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

    * As with all funds,  at any given time the value of your shares of the fund
    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 (FDIC) or any other
    government agency.

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

    * If the market does not consider  the  individual  stocks  purchased by the
    fund to be undervalued,  the value of the fund's shares may not rise as high
    as other funds and may in fact  decline,  even if stock prices are generally
    increasing.

    * 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.


Tax-Managed Value                             American Century Investments




    * While the fund seeks to minimize taxable distributions to shareholders, it
    may realize  capital  gains on the sale of  investment  securities  and earn
    dividend income. For example, the fund managers may elect to sell a security
    even if it results in a taxable gain if they determine the tax impact of the
    sale is  outweighed by other  factors  (such as the  investment  risk of the
    security).  Federal tax laws require the fund to make  distributions of such
    gains and  income  to its  shareholders.  Distributions  may be  taxable  as
    ordinary income, capital gains or a combination of the two.

    In summary,  Tax-Managed  Value is intended for investors who seek long-term
    capital growth on an after-tax basis and who are willing to accept the risks
    associated with the fund's investment strategy.

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

    THE FUND  CHARGES A  REDEMPTION  FEE OF 2.0% OF THE VALUE OF THE SHARES SOLD
    WITHIN ONE YEAR OF THEIR PURCHASE.

    The following table describes the fees and expenses that you will pay if you
    buy and hold shares of the fund.

     SHAREHOLDER FEES
     (FEES PAID DIRECTLY FROM YOUR INVESTMENT)
          Redemption Fee
                   Shares held less than one year(1)        2.0%
                   Shares held for one year or more         None

        (1) The fees withheld from redemption proceeds are paid to the fund.

     ANNUAL FUND OPERATING EXPENSES
     (EXPENSES THAT ARE DEDUCTED FROM FUND ASSETS)
               Management Fee(1)                             1.10%
               Distribution and Service (12b-1) Fees         None
               Other Expenses(2)                             0.00%
               Total Annual Fund Operating Expenses          1.10%

        (1) The fund  has a  stepped  fee  schedule.  As a  result,  the  fund's
        management fee rate generally decreases as fund assets increase.

        (2)  Other  expenses  include  the  fees  and  expenses  of  the  fund's
        independent directors,  their legal counsel,  interest and extraordinary
        expenses  and are  expected  to be less than .005% of the fund's  assets
        during the fund's first fiscal year.

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

                  1 year       3 years
                   $320         $349

             You would pay the  following  expenses  if you did not redeem  your
             shares at the end of the periods shown below:

                  1 year       3 years
                   $112         $349

             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  on  the
    Tax-Managed Value team are identified as follows:

    MARK MALLON, Chief Investment Officer - Value and Quantitative  Equities and
    Senior Vice President,  joined  American  Century in April 1997. From August
    1978 until he joined  American  Century,  Mr. Mallon was employed in several
    positions by Federated Investors and served as President and Chief Executive
    Officer of Federated  Investment  Counseling and Executive Vice President of
    Federated Research Corporation since January 1990. He has a bachelor of arts
    from  Westminster  College  and  an MBA  from  Cornell  University.  He is a
    Chartered Financial Analyst.


Fund Profile                                              Tax-Managed Value




    CHARLES  RITTER,  Vice  President and  Portfolio  Manager,  joined  American
    Century in December 1998. Before joining American Century,  Mr. Ritter spent
    15 years with Federated  Investors,  most recently serving as Vice President
    and  Portfolio  Manager.  He has a bachelor's  degree in  mathematics  and a
    master's in economics from Carnegie  Mellon  University.  He also has an MBA
    from the University of Chicago. 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  $10,000.  If  your  redemption
    activity  causes  the  value of your  account  to fall  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  Tax-Managed  Value 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  YOUR  SHARES  OF  TAX-MANAGED  VALUE  WITHIN  ONE YEAR 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?

    Tax-Managed Value 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.

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 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
    a 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

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

AUTOMATED INFORMATION LINE
1-800-345-8765

FAX   816-340-7962

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

BUSINESS, NOT-FOR-PROFIT AND
EMPLOYER-SPONSORED RETIREMENT PLANS
1-800-345-353

Visit our Web site at WWW.AMERICANCENTURY.COM [link to web site with arrow]


SH-PRF-16088   9904                                   Funds Distributor, Inc.


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