| MainStay Epoch U.S. All Cap Fund | Class A | MAAAX | — |
| MainStay Epoch U.S. All Cap Fund | Class B | MAWBX | — |
| MainStay Epoch U.S. All Cap Fund | Class C | MAWCX | — |
| MainStay Epoch U.S. All Cap Fund | Class I | MATIX | — |
| MainStay Epoch U.S. All Cap Fund | Investor Class | — | — |
| MainStay Growth Equity Fund | Class A | — | — |
| MainStay Growth Equity Fund | Class B | — | — |
| MainStay Growth Equity Fund | Class C | — | — |
| MainStay Growth Equity Fund | Class I | — | — |
| MainStay Growth Equity Fund | Investor Class | — | — |
| MainStay S&P 500 Index Fund | Class A | MSXAX | — |
| MainStay S&P 500 Index Fund | Class I | MSPIX | — |
| MainStay S&P 500 Index Fund | Investor Class | — | — |
| MainStay Cash Reserves Fund | Class I | MRSXX | — |
| MainStay Cash Reserves Fund | Class SW | MSIXX | — |
| MainStay Floating Rate Fund | Class A | MXFAX | — |
| MainStay Floating Rate Fund | Class B | MXFBX | — |
| MainStay Floating Rate Fund | Class C | MXFCX | — |
| MainStay Floating Rate Fund | Class I | MXFIX | — |
| MainStay Floating Rate Fund | Investor Class | MXFNX | — |
| MainStay Indexed Bond Fund | Class A | MIXAX | — |
| MainStay Indexed Bond Fund | Class I | MIXIX | — |
| MainStay Indexed Bond Fund | Investor Class | — | — |
| MainStay Intermediate Term Bond Fund | Class A | MTMAX | — |
| MainStay Intermediate Term Bond Fund | Class B | MTMBX | — |