| MFS Blended Research International Equity Fund | 2,901,698 | 55.2M $ | 9.80 % |
| MFS Blended Research Mid Cap Equity Fund | 3,320,883 | 53.7M $ | 9.54 % |
| MFS Blended Research Value Equity Fund | 1,699,169 | 29.6M $ | 5.26 % |
| MFS Value Fund | 553,750 | 29.1M $ | 5.16 % |
| MFS Growth Fund | 140,978 | 28.4M $ | 5.05 % |
| MFS Blended Research Growth Equity Fund | 993,228 | 28.1M $ | 4.99 % |
| MFS Mid Cap Growth Fund | 928,342 | 26.8M $ | 4.77 % |
| MFS Blended Research Core Equity Fund | 634,465 | 26.5M $ | 4.71 % |
| MFS Mid Cap Value Fund | 788,601 | 26.4M $ | 4.68 % |
| MFS Research Fund | 455,470 | 26.4M $ | 4.68 % |
| MFS Global Real Estate Fund | 1,465,497 | 25.3M $ | 4.49 % |
| MFS Commodity Strategy Fund | 5,507,238 | 25M $ | 4.44 % |
| MFS Research International Fund | 768,859 | 21.1M $ | 3.76 % |
| MFS Inflation Adjusted Bond Fund | 2,292,058 | 21M $ | 3.73 % |
| MFS International Intrinsic Equity Fund | 362,230 | 16.7M $ | 2.97 % |
| MFS International Growth Fund | 345,003 | 16.6M $ | 2.95 % |
| MFS International New Discovery Fund | 468,512 | 16.6M $ | 2.94 % |
| MFS Research Bond Fund | 1,557,903 | 14.9M $ | 2.64 % |
| MFS Blended Research Small Cap Equity Fund | 773,799 | 13M $ | 2.31 % |
| MFS High Income Fund | 3,832,713 | 11.9M $ | 2.12 % |
| MFS Emerging Markets Debt Fund | 709,582 | 9M $ | 1.60 % |
| MFS Global Opportunistic Bond Fund | 1,098,295 | 8.9M $ | 1.58 % |
| MFS New Discovery Fund | 168,354 | 6.4M $ | 1.13 % |
| MFS New Discovery Value Fund | 340,516 | 6.3M $ | 1.12 % |
| MFS Emerging Markets Debt Local Currency Fund | 1,001,514 | 6M $ | 1.06 % |
| MFS Institutional Money Market Portfolio | 5,408,229 | 5.4M $ | 0.96 % |
| MFS Blended Research Emerging Markets Equity Fund | 203,693 | 4.3M $ | 0.77 % |
| MFS Emerging Markets Equity Fund | 84,357 | 4.2M $ | 0.75 % |