X0101 24F-2NT LIVE 0001710607 XXXXXXXX 333-221045 N-1A American Century ETF Trust 4500 Main Street Kansas City Kansas City MO X1 64111 American Century Quality Convertible Securities ETF S000070040 true American Century Diversified Corporate Bond ETF S000060785 true Avantis U.S. Equity Fund S000066460 true American Century Sustainable Growth ETF S000072412 true American Century Focused Dynamic Growth ETF S000063004 true Avantis U.S. Small Cap Value Fund S000066461 true Avantis International Equity Fund S000066463 true American Century Low Volatility ETF S000070039 true American Century Diversified Municipal Bond ETF S000063026 true Avantis Core Fixed Income Fund S000069304 true American Century STOXX U.S. Quality Value ETF S000062302 true American Century Quality Diversified International ETF S000062301 true American Century Multisector Income ETF S000072410 true Avantis Emerging Markets Equity ETF S000066454 true Avantis Short-Term Fixed Income Fund S000069309 true Avantis International Small Cap Value ETF S000066457 true American Century Sustainable Equity ETF S000068307 true American Century Focused Large Cap Value ETF S000063005 true Avantis Core Fixed Income ETF S000069307 true Avantis U.S. Equity ETF S000066458 true Avantis International Small Cap Value Fund S000066455 true Avantis Short-Term Fixed Income ETF S000069306 true American Century STOXX U.S. Quality Growth ETF S000062302 true American Century Quality Preferred ETF S000070041 true Avantis U.S. Small Cap Value ETF S000066459 true American Century Mid Cap Growth Impact ETF S000068306 true Avantis Core Municipal Fixed Income Fund S000069305 true Avantis Emerging Markets Equity Fund S000066462 true Avantis Core Municipal Fixed Income ETF S000069308 true American Century Emerging Markets Bond ETF S000072411 true Avantis International Equity ETF S000066456 true 811-23305 333-221045 08/31/2023 false false 16410027295 2970155334 0 2970155334 13439871961 0 0.0001102 1481073.89 0 0 0 1481073.89 Amy R. Bitter Assistant Treasurer 09/26/2023