# EDGAR Filing Document

**Accession Number:** 0001048702
**File Stem:** 0001193125-26-124054
**Filing Date:** 2026-3
**Character Count:** 5411
**Document Hash:** 65f49d382b08a53460b34202aadda0bb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-124054.hdr.sgml**: 20260325

**ACCESSION NUMBER**: 0001193125-26-124054

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260325

**DATE AS OF CHANGE**: 20260325

**EFFECTIVENESS DATE**: 20260325

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NATIONWIDE MUTUAL FUNDS
- **CENTRAL INDEX KEY:** 0001048702

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-40455
- **FILM NUMBER:** 26792345

**BUSINESS ADDRESS:**
- **STREET 1:** ONE NATIONWIDE PLAZA
- **STREET 2:** MAIL CODE 05-02-210
- **CITY:** COLUMBUS
- **STATE:** OH
- **ZIP:** 43215
- **BUSINESS PHONE:** 614-435-5749

**MAIL ADDRESS:**
- **STREET 1:** ONE NATIONWIDE PLAZA
- **STREET 2:** MAIL CODE 05-02-210
- **CITY:** COLUMBUS
- **STATE:** OH
- **ZIP:** 43215

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GARTMORE MUTUAL FUNDS
- **DATE OF NAME CHANGE:** 20020125

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONWIDE MUTUAL FUNDS
- **DATE OF NAME CHANGE:** 19991015

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONWIDE INVESTING FOUNDATION III
- **DATE OF NAME CHANGE:** 19971029

## Series and Classes Contracts Data

### Nationwide Bond Index Fund (Series ID: S000004995)

---

|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| Class A                     | GBIAX         | C000013548 |
| Class R6                    | GBXIX         | C000013550 |
| Class R                     | nan           | C000033114 |
| Institutional Service Class | NWXOX         | C000175977 |

---

### Nationwide Mid Cap Market Index Fund (Series ID: S000004998)

---

|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| Class A                     | GMXAX         | C000013561 |
| Class R6                    | GMXIX         | C000013564 |
| Class R                     | GMXRX         | C000033117 |
| Institutional Service Class | NWXQX         | C000175979 |

---

## Series and Classes Contracts Data

### Nationwide Bond Index Fund (Series ID: S000004995)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000013548 | Class A                     | GBIAX           |
| C000013550 | Class R6                    | GBXIX           |
| C000033114 | Class R                     |  |
| C000175977 | Institutional Service Class | NWXOX           |

### Nationwide Mid Cap Market Index Fund (Series ID: S000004998)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000013561 | Class A                     | GMXAX           |
| C000013564 | Class R6                    | GMXIX           |
| C000033117 | Class R                     | GMXRX           |
| C000175979 | Institutional Service Class | NWXQX           |

**NATIONWIDE MUTUAL FUNDS** 

---

| | |
|:---|:---|
| Nationwide Bailard International Equities Fund | Nationwide Invesco Core Plus Bond Fund *(formerly,* |
| Nationwide Bailard Small Cap Value Fund *(formerly,* | *Nationwide BNY Mellon Core Plus Bond Fund)* |
| *Nationwide Bailard Cognitive Value Fund)* | Nationwide Loomis All Cap Growth Fund |
| Nationwide Bailard Technology *Fund (formerly,* | Nationwide Loomis Core Bond Fund |
| *Nationwide Bailard Technology & Science Fund)* | Nationwide Loomis Short Term Bond Fund |
| Nationwide BNY Mellon Dynamic U.S. Core Fund | Nationwide Mid Cap Market Index Fund |
| Nationwide BNY Mellon Dynamic U.S. Equity | Nationwide NYSE Arca Tech 100 Index Fund |
| Income Fund | Nationwide Renaissance Small Cap Growth Fund |
| Nationwide Bond Index Fund | *(formerly, Nationwide WCM Focused Small Cap* |
| Nationwide Fund | *Fund)* |
| Nationwide Geneva Mid Cap Growth Fund | Nationwide S&P 500 Index Fund |
| Nationwide Geneva Small Cap Growth Fund | Nationwide Schroders Global Equity Fund *(formerly,* |
| Nationwide Government Money Market Fund | *Nationwide Global Sustainable Equity Fund)* |
| Nationwide GQG US Quality Equity Fund | Nationwide Small Cap Index Fund |
| Nationwide Inflation-Protected Securities Fund | Nationwide Strategic Income Fund *(formerly,* |
| Nationwide International Index Fund | *Nationwide Amundi Strategic Income Fund)* |
| Nationwide International Small Cap Fund |  |

---

**Supplement dated March 25, 2026** 

**to the Statement of Additional Information ("SAI") dated March 2, 2026** 

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

**<u>Nationwide Bond Index Fund and Nationwide Mid Cap Market Index Fund (the "Funds')</u>**

Effective April 1, 2026, the SAI is amended as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. The information relating to the Funds under the heading "Limitation of Fund Expenses" beginning on
page 69 of the SAI is deleted in its entirety and replaced with the following:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Nationwide Bond Index Fund to 0.20% until April 1, 2027

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Nationwide Mid Cap Market Index Fund to 0.25% until April 1, 2027

**PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE**