Statement of Additional Information Supplement American Century Capital Portfolios, Inc. Statement of Additional Information dated August 1, 2024 American Century ETF Trust Statement of Additional Information dated January 1, 2025
Supplement dated May 31, 2025

Michael Liss, CFA, CPA, Vice President and Senior Portfolio Manager, has announced his plans to retire. As a result, he will no longer serve as a portfolio manager for the funds effective December 31, 2025.

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