| MFS Blended Research International Equity Fund | 3,595,842 | 68.4M $ | 11.01 % |
| MFS Blended Research Mid Cap Equity Fund | 3,842,601 | 62.1M $ | 10.00 % |
| MFS Blended Research Value Equity Fund | 1,958,180 | 34.1M $ | 5.50 % |
| MFS Value Fund | 637,963 | 33.5M $ | 5.39 % |
| MFS Growth Fund | 163,254 | 32.9M $ | 5.30 % |
| MFS Blended Research Growth Equity Fund | 1,149,419 | 32.5M $ | 5.23 % |
| MFS Mid Cap Growth Fund | 1,073,027 | 31M $ | 4.99 % |
| MFS Global Real Estate Fund | 1,792,334 | 30.9M $ | 4.98 % |
| MFS Commodity Strategy Fund | 6,767,199 | 30.7M $ | 4.95 % |
| MFS Mid Cap Value Fund | 913,319 | 30.5M $ | 4.92 % |
| MFS Blended Research Core Equity Fund | 697,562 | 29.2M $ | 4.69 % |
| MFS Research Fund | 500,514 | 29M $ | 4.66 % |
| MFS Research International Fund | 897,947 | 24.7M $ | 3.97 % |
| MFS International New Discovery Fund | 691,213 | 24.4M $ | 3.94 % |
| MFS International Intrinsic Equity Fund | 466,299 | 21.5M $ | 3.46 % |
| MFS International Growth Fund | 442,949 | 21.3M $ | 3.43 % |
| MFS Blended Research Small Cap Equity Fund | 946,511 | 15.9M $ | 2.56 % |
| MFS Inflation Adjusted Bond Fund | 1,712,892 | 15.7M $ | 2.53 % |
| MFS Research Bond Fund | 1,562,928 | 14.9M $ | 2.40 % |
| MFS New Discovery Fund | 205,645 | 7.8M $ | 1.26 % |
| MFS New Discovery Value Fund | 416,227 | 7.7M $ | 1.24 % |
| MFS Blended Research Emerging Markets Equity Fund | 302,122 | 6.4M $ | 1.03 % |
| MFS Emerging Markets Equity Fund | 124,937 | 6.3M $ | 1.01 % |
| MFS Institutional Money Market Portfolio | 5,973,681 | 6M $ | 0.96 % |
| MFS High Income Fund | 391,120 | 1.2M $ | 0.20 % |
| MFS Emerging Markets Debt Fund | 72,334 | 917.9K $ | 0.15 % |
| MFS Global Opportunistic Bond Fund | 112,157 | 908.5K $ | 0.15 % |
| MFS Emerging Markets Debt Local Currency Fund | 101,899 | 606.3K $ | 0.10 % |