| Nationwide Bond Fund | Class A | NBDAX | — |
| Nationwide Bond Fund | Class C | GBDCX | — |
| Nationwide Bond Fund | Institutional Service Class | MUIBX | — |
| Nationwide Bond Fund | Class R6 | NWIBX | — |
| Nationwide Bond Index Fund | Class A | GBIAX | — |
| Nationwide Bond Index Fund | Class R6 | GBXIX | — |
| Nationwide Bond Index Fund | Class R | — | — |
| Nationwide Bond Index Fund | Class C | GBICX | — |
| Nationwide Bond Index Fund | Institutional Service Class | NWXOX | — |
| Nationwide International Index Fund | Class A | GIIAX | — |
| Nationwide International Index Fund | Class C | GIICX | — |
| Nationwide International Index Fund | Class R6 | GIXIX | — |
| Nationwide International Index Fund | Class R | GIIRX | — |
| Nationwide International Index Fund | Institutional Service Class | NWXPX | — |
| Nationwide Mid Cap Market Index Fund | Class A | GMXAX | — |
| Nationwide Mid Cap Market Index Fund | Class C | GMCCX | — |
| Nationwide Mid Cap Market Index Fund | Class R6 | GMXIX | — |
| Nationwide Mid Cap Market Index Fund | Class R | GMXRX | — |
| Nationwide Mid Cap Market Index Fund | Institutional Service Class | NWXQX | — |
| Nationwide S&P 500 Index Fund | Class A | GRMAX | — |
| Nationwide S&P 500 Index Fund | Class C | GRMCX | — |
| Nationwide S&P 500 Index Fund | Class R6 | GRMIX | — |
| Nationwide S&P 500 Index Fund | Service Class | GRMSX | — |
| Nationwide S&P 500 Index Fund | Institutional Service Class | GRISX | — |
| Nationwide S&P 500 Index Fund | Class R | GRMRX | — |