| 1 | MFS Government Securities Fund | 7,235,879 | 62.2M $ | 9.72 % |
| 2 | MFS Research Bond Fund | 6,273,338 | 59.9M $ | 9.36 % |
| 3 | MFS Inflation Adjusted Bond Fund | 5,007,344 | 45.9M $ | 7.17 % |
| 4 | MFS Blended Research Mid Cap Equity Fund | 2,702,278 | 43.7M $ | 6.83 % |
| 5 | MFS Blended Research International Equity Fund | 2,048,941 | 39M $ | 6.09 % |
| 6 | MFS Global Opportunistic Bond Fund | 4,009,637 | 32.5M $ | 5.08 % |
| 7 | MFS Blended Research Value Equity Fund | 1,457,842 | 25.4M $ | 3.97 % |
| 8 | MFS High Income Fund | 8,050,379 | 25M $ | 3.91 % |
| 9 | MFS Value Fund | 476,301 | 25M $ | 3.91 % |
| 10 | MFS Growth Fund | 116,469 | 23.5M $ | 3.67 % |
| 11 | MFS Blended Research Growth Equity Fund | 821,794 | 23.2M $ | 3.63 % |
| 12 | MFS Blended Research Core Equity Fund | 553,223 | 23.1M $ | 3.61 % |
| 13 | MFS Research Fund | 397,025 | 23M $ | 3.59 % |
| 14 | MFS Mid Cap Growth Fund | 754,066 | 21.8M $ | 3.41 % |
| 15 | MFS Mid Cap Value Fund | 641,956 | 21.5M $ | 3.35 % |
| 16 | MFS Research International Fund | 700,858 | 19.3M $ | 3.01 % |
| 17 | MFS Global Real Estate Fund | 1,096,954 | 18.9M $ | 2.96 % |
| 18 | MFS Commodity Strategy Fund | 4,134,095 | 18.8M $ | 2.93 % |
| 19 | MFS Emerging Markets Debt Fund | 1,433,108 | 18.2M $ | 2.84 % |
| 20 | MFS Emerging Markets Debt Local Currency Fund | 2,093,217 | 12.5M $ | 1.95 % |
| 21 | MFS International Intrinsic Equity Fund | 210,027 | 9.7M $ | 1.51 % |
| 22 | MFS Blended Research Small Cap Equity Fund | 576,020 | 9.7M $ | 1.51 % |
| 23 | MFS International Growth Fund | 199,549 | 9.6M $ | 1.50 % |
| 24 | MFS Institutional Money Market Portfolio | 6,272,054 | 6.3M $ | 0.98 % |
| 25 | MFS Ltd Maturity Fund | 1,057,997 | 6.2M $ | 0.97 % |
| 26 | MFS International New Discovery Fund | 170,346 | 6M $ | 0.94 % |
| 27 | MFS New Discovery Fund | 125,260 | 4.7M $ | 0.74 % |
| 28 | MFS New Discovery Value Fund | 254,371 | 4.7M $ | 0.73 % |
| 29 | MFS Emerging Markets Equity Fund | 0 | 4.7 $ | |