NPORT-P false 0000783740 XXXXXXXX S000002515 C000006931 C000195683 C000006930 C000006933 C000006936 C000006935 C000006929 C000006924 C000006925 MFS SERIES TRUST X 811-04492 0000783740 5493001MUVNRNUPJY164 111 HUNTINGTON AVENUE BOSTON 02199 617-954-5000 MFS International Diversification Fund S000002515 5FYSVBMHKU2K1O39U714 2026-05-31 2026-02-28 N 46925168409.00 11393820.23 46913774588.77 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 N MFS Research International Fund UH91KW1VFNZQF5FY7237 55273H361 450426705.71000000 NS USD 12900220851.53000000 27.49772527281 Long EC RF US N 1 N N N MFS Emerging Markets Equity Fund GLINMRWNKCBOHYKQ2131 552746331 162022703.26000000 NS USD 8125438568.44000000 17.31994204189 Long EC RF US N 1 N N N MFS International New Discovery Fund RC53GXLQZ5LVIZBRHR66 552981383 128448265.95000000 NS USD 4702491016.25000000 10.02368932679 Long EC RF US N 1 N N N MFS International Intrinsic Value Fund 7540QFSKYNTDFH7HAK24 552746349 146288691.71000000 NS USD 7052577827.44000000 15.03306414642 Long EC RF US N 1 N N N MFS Institutional Money Market Portfolio 5L2W638H85N8T1136O07 55291X109 71998797.00000000 NS USD 72005996.88000000 0.153485831210 Long EC RF US N 1 N N N MFS International Large Cap Value Fund 549300YEW2NKJCMQAR75 552743445 380211283.34000000 NS USD 7003491839.18000000 14.92843392067 Long EC RF US N 1 N N N MFS International Growth Fund PTNAY8DC4VJYOKVJ5B83 552746356 138276147.97000000 NS USD 7029959362.54000000 14.98485130254 Long EC RF US N 1 N N N 2026-03-27 MFS SERIES TRUST X James Byrne James Byrne Assistant Treasurer XXXX