Prospectus by Investment Company (Form 497)

Macquarie ETF Trust

(the "Trust")

Supplement to the July 29, 2025 Statutory Prospectus and Statement of Additional Information for

each fund of the Trust

The Nomura transaction described in previous fund supplements, in which Nomura will acquire Macquarie Asset Management's US and European public investments business, is targeted to close on or about December 1, 2025, subject to client consents and customary closing conditions.

Because everyone's tax situation is unique, you should consult your tax professional about federal, state, local, or foreign tax consequences before making an investment in a Fund or acting on a distribution check (if applicable).

Delaware Management Company is an indirect wholly owned subsidiary of Macquarie Group Limited (MGL). None of the entities noted in this document is an authorized deposit-taking institution for the purposes of the Banking Act 1959 (Commonwealth of Australia) and the obligations of these entities do not represent deposits or other liabilities of Macquarie Bank Limited ABN 46 008 583 542 (Macquarie Bank). Macquarie Bank does not guarantee or otherwise provide assurance in respect of the obligations of these entities. In addition, if this document relates to an investment (a) each investor is subject to investment risk including possible delays in repayment and loss of income and principal invested and (b) none of Macquarie Bank or any other Macquarie Group company guarantees any particular rate of return on or the performance of the investment, nor do they guarantee repayment of capital in respect of the investment.

Please keep this Supplement for future reference.

This Supplement is dated October 23, 2025.