v3.26.1
Form N-1A Supplement
Jan. 01, 2026
American Century ETF Trust | Avantis All Equity Markets Value ETF Series  
Prospectus [Line Items]  
Supplement to Prospectus [Text Block]
American Century ETF Trust
Prospectus Supplement
Avantis® All Equity Markets Value ETF
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Supplement dated August 1, 2026 n Prospectus dated January 1, 2026

The following replaces the Annual Fund Operating Expenses table in the Fees and Expenses section on page 2 of the prospectus:

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Management Fee1
0.03%
Other Expenses
0.00%
Acquired Fund Fees and Expenses0.23%
Total Annual Fund Operating Expenses0.26%
1    The management fee has been restated to reflect the decrease in the management fee schedule effective August 1, 2026.


The following replaces the Example table in the Fees and Expenses section on page 2 of the prospectus:

1 year3 years5 years10 years
$27$84$147$331