| Great-West Lifetime Conservative 2015 Fund | Investor Class | MXLTX | — |
| Great-West Lifetime Conservative 2015 Fund | Service Class | MXLUX | — |
| Great-West Lifetime Conservative 2015 Fund | Class L | — | — |
| Great-West Lifetime Conservative 2015 Fund | Institutional Class | MXMAX | — |
| Great-West Lifetime Conservative 2045 Fund | Investor Class | MXMLX | — |
| Great-West Lifetime Conservative 2045 Fund | Service Class | MXNLX | — |
| Great-West Lifetime Conservative 2045 Fund | Class L | — | — |
| Great-West Lifetime Conservative 2045 Fund | Institutional Class | MXUCX | — |
| Great-West Lifetime 2045 Fund | Investor Class | MXQLX | — |
| Great-West Lifetime 2045 Fund | Service Class | MXRLX | — |
| Great-West Lifetime 2045 Fund | Class L | MXBHX | — |
| Great-West Lifetime 2045 Fund | Institutional Class | MXWEX | — |
| Great-West Lifetime Conservative 2055 Fund | Investor Class | MXSLX | — |
| Great-West Lifetime Conservative 2055 Fund | Service Class | MXTLX | — |
| Great-West Lifetime Conservative 2055 Fund | Class L | — | — |
| Great-West Lifetime Conservative 2055 Fund | Institutional Class | MXXFX | — |
| Great-West Lifetime 2055 Fund | Investor Class | MXWLX | — |
| Great-West Lifetime 2055 Fund | Service Class | MXXLX | — |
| Great-West Lifetime 2055 Fund | Class L | MXBTX | — |
| Great-West Lifetime 2055 Fund | Institutional Class | MXZHX | — |
| Great-West Lifetime 2015 Fund | Service Class | MXLZX | — |
| Great-West Lifetime 2015 Fund | Investor Class | MXLYX | — |
| Great-West Lifetime 2015 Fund | Class L | MXABX | — |
| Great-West Lifetime 2015 Fund | Institutional Class | MXNYX | — |
| Great-West Lifetime Conservative 2025 Fund | Service Class | MXBLX | — |