| MFS Blended Research Mid Cap Equity Fund | 4,610,416 | 74.6M $ | 8.94 % |
| MFS Blended Research International Equity Fund | 3,733,417 | 71M $ | 8.51 % |
| MFS Inflation Adjusted Bond Fund | 4,570,294 | 41.9M $ | 5.02 % |
| MFS Blended Research Value Equity Fund | 2,379,450 | 41.5M $ | 4.97 % |
| MFS Value Fund | 774,659 | 40.6M $ | 4.87 % |
| MFS Growth Fund | 194,088 | 39.1M $ | 4.69 % |
| MFS Blended Research Growth Equity Fund | 1,370,412 | 38.8M $ | 4.65 % |
| MFS Blended Research Core Equity Fund | 922,018 | 38.5M $ | 4.62 % |
| MFS Research Fund | 661,740 | 38.3M $ | 4.59 % |
| MFS Mid Cap Growth Fund | 1,288,301 | 37.2M $ | 4.46 % |
| MFS Mid Cap Value Fund | 1,095,825 | 36.6M $ | 4.39 % |
| MFS Global Real Estate Fund | 1,914,969 | 33.1M $ | 3.96 % |
| MFS Commodity Strategy Fund | 7,231,694 | 32.8M $ | 3.94 % |
| MFS High Income Fund | 10,343,756 | 32.2M $ | 3.86 % |
| MFS Research International Fund | 1,072,419 | 29.5M $ | 3.53 % |
| MFS Research Bond Fund | 2,975,651 | 28.4M $ | 3.41 % |
| MFS Global Opportunistic Bond Fund | 3,155,893 | 25.6M $ | 3.06 % |
| MFS Emerging Markets Debt Fund | 1,914,172 | 24.3M $ | 2.91 % |
| MFS International Intrinsic Equity Fund | 443,930 | 20.5M $ | 2.45 % |
| MFS International Growth Fund | 422,041 | 20.3M $ | 2.44 % |
| MFS Blended Research Small Cap Equity Fund | 1,004,530 | 16.9M $ | 2.02 % |
| MFS International New Discovery Fund | 460,824 | 16.3M $ | 1.95 % |
| MFS Emerging Markets Debt Local Currency Fund | 2,705,888 | 16.1M $ | 1.93 % |
| MFS New Discovery Fund | 218,924 | 8.3M $ | 0.99 % |
| MFS New Discovery Value Fund | 444,347 | 8.2M $ | 0.98 % |
| MFS Government Securities Fund | 885,773 | 7.6M $ | 0.91 % |
| MFS Institutional Money Market Portfolio | 7,404,106 | 7.4M $ | 0.89 % |
| MFS Blended Research Emerging Markets Equity Fund | 185,778 | 3.9M $ | 0.47 % |
| MFS Emerging Markets Equity Fund | 77,268 | 3.9M $ | 0.47 % |