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<PAGE> PAGE 2
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 10
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SIGNATURE MARYANNE ROEPKE
TITLE TREASURER
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<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY INVESTMENT
TRUST AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
REPORT.
</LEGEND>
<CIK> 0000908406
<NAME> AMERICAN CENTURY INVESTMENT TRUST
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<NUMBER> 11
<NAME> PRIME MONEY MARKET FUND- INVESTOR CLASS
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<NAME> AMERICAN CENTURY INVESTMENT TRUST
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<NUMBER> 13
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