Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000911637 | |||
| Series S000002500 | MFS Blended Research Core Equity Fund | ||
| Class/Contract C000006789 | A | MUEAX | |
| Class/Contract C000006790 | B | MUSBX | |
| Class/Contract C000006791 | C | MUECX | |
| Class/Contract C000006792 | I | MUSEX | |
| Class/Contract C000068492 | R1 | MUERX | |
| Class/Contract C000068493 | R2 | MUESX | |
| Class/Contract C000068494 | R3 | MUETX | |
| Class/Contract C000068495 | R4 | MUEUX | |
| Class/Contract C000068496 | R6 | MUEVX | |
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1231
Type: NPORT-P | Act: 40 | File No.: 811-07992 | Film No.: 23956426