<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 42
<NAME> SMALL CAP VALUE - INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 34,874,745
<INVESTMENTS-AT-VALUE> 36,991,624
<RECEIVABLES> 2,122,428
<ASSETS-OTHER> 1,649,432
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 40,763,484
<PAYABLE-FOR-SECURITIES> 2,046,565
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 38,513
<TOTAL-LIABILITIES> 2,085,078
<SENIOR-EQUITY> 8,519
<PAID-IN-CAPITAL-COMMON> 35,231,047
<SHARES-COMMON-STOCK> 851,916
<SHARES-COMMON-PRIOR> 208,198
<ACCUMULATED-NII-CURRENT> (2,890)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,324,851
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2,116,879
<NET-ASSETS> 38,678,406
<DIVIDEND-INCOME> 18,833,574
<INTEREST-INCOME> 3,497,716
<OTHER-INCOME> 0
<EXPENSES-NET> 7,672,946
<NET-INVESTMENT-INCOME> 14,658,344
<REALIZED-GAINS-CURRENT> 5,356,718
<APPREC-INCREASE-CURRENT> 80,549,802
<NET-CHANGE-FROM-OPS> 100,564,864
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (17,272)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 411,009
<NUMBER-OF-SHARES-REDEEMED> (29,751)
<SHARES-REINVESTED> 2,606
<NET-CHANGE-IN-ASSETS> 18,538,081
<ACCUMULATED-NII-PRIOR> 22,512
<ACCUMULATED-GAINS-PRIOR> (39,892)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 165,231
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 168,858
<AVERAGE-NET-ASSETS> 3,081,031
<PER-SHARE-NAV-BEGIN> 5.04
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.66
<PER-SHARE-DIVIDEND> (0.03)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 5.70
<EXPENSE-RATIO> 1.05
</TABLE>
