497 1 acetftclassicssai497-03082.htm 497 Document

Statement of Additional Information Supplement

American Century ETF Trust
newaci_logoblkg97.jpg
Supplement dated March 9, 2024 n Statement of Additional Information dated January 1, 2024

Hitesh Patel, Vice President and Portfolio Manager, will no longer serve as a portfolio manager for the funds effective March 8, 2024.
The entries for Hitesh Patel on pages 48 and 51-52 are to be deleted.

The following replaces the information for Stephen Quance in the Accounts Managed table in the Portfolio Managers subsection of the Service Providers section on page 48:
Portfolio Managers
Accounts Managed
Registered Investment
Companies (e.g.,
American Century
Investments funds
and American
Century Investments -
subadvised funds)
Other Pooled
Investment
Vehicles (e.g.,
commingled
trusts and 529
education
savings plans)
Other Accounts
(e.g., separate
accounts and
corporate accounts
including incubation
strategies and
corporate money)
Stephen Quance1
Number of Accounts1100
Assets
$6.9 billion2
$0$0
1 Information provided as of February 29, 2024.
2 Includes $12.2 million in American Century Low Volatility ETF; $50.7 million in American Century Quality Convertible Securities ETF; and $71.1 million in American Century Quality Preferred ETF.


The following is added to the Ownership of Securities table in the Portfolio Managers subsection of the Service Providers section on pages 51-52:
Ownership of Securities
 Aggregate Dollar Range of Securities in Fund
American Century Quality Convertible Securities ETF
Stephen Quance1
A
American Century Quality Preferred ETF
Stephen Quance1
A
1 Information provided as of February 29, 2024.
Ranges: A – none; B – $1-$10,000; C – $10,001-$50,000; D – $50,001-$100,000; E – $100,001-$500,000; F – $500,001-$1,000,000; G – More than $1,000,000.


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CL-SPL-98391 2403