NATIONWIDE VARIABLE INSURANCE TRUST
NVIT Fidelity Institutional AM® Worldwide Fund
NVIT NASDAQ-100 Index Fund

Supplement dated July 18, 2025
to the Prospectus dated April 15, 2025

Capitalized terms and certain other terms used in this supplement, unless otherwise defined in this supplement, have the meanings assigned to them in the Prospectus.

NVIT NASDAQ-100 Index Fund (the “Fund”)

Effective immediately, the Prospectus is amended as follows:


 1.
The table under the section entitled “Portfolio Managers” on page 7 of the Prospectus is deleted in its entirety and replaced with the following:  

Portfolio Manager 
Title 
Length of Service  
Jennifer Hsui, CFA
Managing Director, Portfolio Manager
Since 2025
Peter Sietsema
Director, Senior Portfolio Manager
Since 2025
Matt Waldron, CFA
Managing Director
Since 2025
Steven White
Director
Since 2025
 

 2.
The information relating to the Fund under the heading “Portfolio Management” on page 15 of the Prospectus is deleted in its entirety and replaced with the following: 
 
The Fund is managed by a team comprising Jennifer Hsui, CFA, Peter Sietsema, Matt Waldron, CFA and Steven White. This team is responsible for the day-to-day management of the Fund and the selection of the Fund’s investments.

Ms. Hsui is a Managing Director and Chief Investment Officer for Global Portfolio Management within BlackRock's ETF and Index Equity team. Her service with the firm dates back to 2006.

Mr. Sietsema is a Director, Senior Portfolio Manager and a member of BlackRock’s ETF and index investments team. His service with the firm dates back to 2007.

Mr. Waldron is a Managing Director and U.S. Head of International Portfolio Management. His service with the firm dates back to 2011.

Mr. White is a Director and Head of the Active Risk Index ETF team and co-CIO for Index Equity Investments. His service with the firm dates back to 2011.



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