# EDGAR Filing Document

**Accession Number:** 0000353905
**File Stem:** 0001193125-25-204585
**Filing Date:** 2025-9
**Character Count:** 2701
**Document Hash:** d51ce7dbad36c45c8311cc94852d629b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-204585.hdr.sgml**: 20250916

**ACCESSION NUMBER**: 0001193125-25-204585

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20250916

**DATE AS OF CHANGE**: 20250916

**EFFECTIVENESS DATE**: 20250916

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NATIONWIDE VARIABLE INSURANCE TRUST
- **CENTRAL INDEX KEY:** 0000353905

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-73024
- **FILM NUMBER:** 251316247

**BUSINESS ADDRESS:**
- **STREET 1:** ONE NATIONWIDE PLAZA
- **STREET 2:** MAIL CODE 5-02-210
- **CITY:** COLUMBUS
- **STATE:** OH
- **ZIP:** 43215
- **BUSINESS PHONE:** 614-435-5749

**MAIL ADDRESS:**
- **STREET 1:** ONE NATIONWIDE PLAZA
- **STREET 2:** MAIL CODE 5-02-210
- **CITY:** COLUMBUS
- **STATE:** OH
- **ZIP:** 43215

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GARTMORE VARIABLE INSURANCE TRUST
- **DATE OF NAME CHANGE:** 20020125

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONWIDE SEPARATE ACCOUNT TRUST
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONWIDE SEPARATE ACCOUNT MONEY MARKET TRUST
- **DATE OF NAME CHANGE:** 19860226

## Series and Classes Contracts Data

### NVIT Fidelity Institutional AM Worldwide Fund (Series ID: S000090751)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000258081 | Class II     |  |
| C000258083 | Class I      |  |

**NATIONWIDE VARIABLE INSURANCE TRUST** 

NVIT Fidelity Institutional AM<sup>®</sup> Worldwide Fund

**Supplement dated September 16, 2025** 

**to the Summary 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 Summary Prospectus.* 

Effective immediately, the information under the heading "Performance" on page 3 of the Summary Prospectus is hereby deleted and replaced with the following:

Performance information gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance. Performance information is not provided because the Fund is new and did not complete one full calendar year of operations.

The Fund's broad-based securities market index is the MSCI All Country World Index. The Fund also compares its performance to the MSCI World Index - Net Return, which has characteristics relevant to the Fund's investment strategy.

**PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE**