| MFS Blended Research Mid Cap Equity Fund | 4 610 416 | 74,6 M $ | 8,94 % |
| MFS Blended Research International Equity Fund | 3 733 417 | 71 M $ | 8,51 % |
| MFS Inflation Adjusted Bond Fund | 4 570 294 | 41,9 M $ | 5,02 % |
| MFS Blended Research Value Equity Fund | 2 379 450 | 41,5 M $ | 4,97 % |
| MFS Value Fund | 774 659 | 40,6 M $ | 4,87 % |
| MFS Growth Fund | 194 088 | 39,1 M $ | 4,69 % |
| MFS Blended Research Growth Equity Fund | 1 370 412 | 38,8 M $ | 4,65 % |
| MFS Blended Research Core Equity Fund | 922 018 | 38,5 M $ | 4,62 % |
| MFS Research Fund | 661 740 | 38,3 M $ | 4,59 % |
| MFS Mid Cap Growth Fund | 1 288 301 | 37,2 M $ | 4,46 % |
| MFS Mid Cap Value Fund | 1 095 825 | 36,6 M $ | 4,39 % |
| MFS Global Real Estate Fund | 1 914 969 | 33,1 M $ | 3,96 % |
| MFS Commodity Strategy Fund | 7 231 694 | 32,8 M $ | 3,94 % |
| MFS High Income Fund | 10 343 756 | 32,2 M $ | 3,86 % |
| MFS Research International Fund | 1 072 419 | 29,5 M $ | 3,53 % |
| MFS Research Bond Fund | 2 975 651 | 28,4 M $ | 3,41 % |
| MFS Global Opportunistic Bond Fund | 3 155 893 | 25,6 M $ | 3,06 % |
| MFS Emerging Markets Debt Fund | 1 914 172 | 24,3 M $ | 2,91 % |
| MFS International Intrinsic Equity Fund | 443 930 | 20,5 M $ | 2,45 % |
| MFS International Growth Fund | 422 041 | 20,3 M $ | 2,44 % |
| MFS Blended Research Small Cap Equity Fund | 1 004 530 | 16,9 M $ | 2,02 % |
| MFS International New Discovery Fund | 460 824 | 16,3 M $ | 1,95 % |
| MFS Emerging Markets Debt Local Currency Fund | 2 705 888 | 16,1 M $ | 1,93 % |
| MFS New Discovery Fund | 218 924 | 8,3 M $ | 0,99 % |
| MFS New Discovery Value Fund | 444 347 | 8,2 M $ | 0,98 % |
| MFS Government Securities Fund | 885 773 | 7,6 M $ | 0,91 % |
| MFS Institutional Money Market Portfolio | 7 404 106 | 7,4 M $ | 0,89 % |
| MFS Blended Research Emerging Markets Equity Fund | 185 778 | 3,9 M $ | 0,47 % |
| MFS Emerging Markets Equity Fund | 77 268 | 3,9 M $ | 0,47 % |