# EDGAR Filing Document

**Accession Number:** 0000353905
**File Stem:** 0001680359-25-000747
**Filing Date:** 2025-9
**Character Count:** 3723
**Document Hash:** c1be32962306fb9b5a4a69dd6a9de396
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001680359-25-000747.hdr.sgml**: 20250909

**ACCESSION NUMBER**: 0001680359-25-000747

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20250909

**DATE AS OF CHANGE**: 20250909

**EFFECTIVENESS DATE**: 20250909

**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:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-73024
- **FILM NUMBER:** 251301951

**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 Bond Index Fund (Series ID: S000012312)

---

|  |  |
|:---|:---|
| Class Name | Class ID   |
| Class Y    | C000033502 |
| Class II   | C000033503 |
| Class I    | C000139944 |

---

## Series and Classes Contracts Data

### NVIT Bond Index Fund (Series ID: S000012312)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000033502 | Class Y      |  |
| C000033503 | Class II     |  |
| C000139944 | Class I      |  |

---

| |
|:---|
| **NATIONWIDE VARIABLE INSURANCE TRUST** |
| NVIT Bond Index Fund |
| NVIT International Index Fund |
| NVIT Mid Cap Index Fund |
| NVIT S&P 500 Index Fund |
| NVIT Small Cap Index Fund |

---

#### Supplement dated September 9, 2025

#### to the Prospectus dated April 30, 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 Bond Index Fund (the "Fund")

Effective immediately, the Prospectus is amended as follows:

<br> 1. The table under the section entitled "Portfolio Managers" on page 5 of the Prospectus is deleted in its entirety and replaced with the following:

---

| | | |
|:---|:---|:---|
| **Portfolio Manager**  | **Title**  | **Length of Service**  |
| James Mauro | Managing Director and Portfolio Manager | Since 2021 |
| Jonathan Graves | Managing Director and Portfolio Manager | Since 2025 |
| Marcus Tom | Director and Portfolio Manager | Since 2025 |

---

<br> 2. The information relating to the Fund under the heading "Portfolio Management" on page 31 of the Prospectus is deleted in its entirety and replaced with the following:

The Fund is managed by a team comprising James Mauro, Jonathan Graves and Marcus Tom. This team is responsible for the day-to-day management of the Fund and the selection of the Fund's investments.

Mr. Mauro is a Managing Director and Global Head of Index Fixed Income Portfolio Management of BlackRock, which he joined in 2010.

Mr. Graves is a Managing Director and Head of Credit within the Index Fixed Income Portfolio Management team in the Americas. He joined BlackRock in 2013.

Mr. Tom is a Director and Head of the Index Fixed Income Portfolio Management team in Atlanta. He joined BlackRock in 2019.

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE