# EDGAR Filing Document

**Accession Number:** 0000353905
**File Stem:** 0001680359-25-000602
**Filing Date:** 2025-7
**Character Count:** 2523
**Document Hash:** 574c2e90037b17d035e5a3caeb430970
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001680359-25-000602.hdr.sgml**: 20250718

**ACCESSION NUMBER**: 0001680359-25-000602

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20250718

**DATE AS OF CHANGE**: 20250718

**EFFECTIVENESS DATE**: 20250718

**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:** 251132939

**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 NASDAQ-100 Index Fund (Series ID: S000090752)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000258085 | Class II     |  |
| C000258086 | Class I      |  |

---

| |
|:---|
| **NATIONWIDE VARIABLE INSURANCE TRUST** |
| NVIT NASDAQ-100 Index Fund |

---

#### Supplement dated July 18, 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 table under the section entitled "Portfolio Managers" on page 3 of the Summary 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 |

---

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE