Statement of Additional Information Supplement American Century World Mutual Funds Statement of Additional Information dated April 1, 2024 American Century Quantitative Equity Funds Statement of Additional Information dated November 1, 2024
Supplement dated February 14, 2025

Arun Daniel, Portfolio Manager and Head of Disciplined Equity Group Strategies, no longer serves as portfolio manager for the funds effective February 14, 2025.

The entries for Arun Daniel are to be deleted.

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