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 2026-05-31 N 44653908674.58 60356295.48 44593552379.10 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 434646208.46000000 NS USD 12200519071.58000000 27.35937914939 Long EC RF US N 1 N N N MFS Emerging Markets Equity Fund GLINMRWNKCBOHYKQ2131 552746331 145376016.51000000 NS USD 7824137208.41000000 17.54544500490 Long EC RF US N 1 N N N MFS International New Discovery Fund RC53GXLQZ5LVIZBRHR66 552981383 122551321.24000000 NS USD 4444936421.52000000 9.967666140908 Long EC RF US N 1 N N N MFS International Intrinsic Equity Fund 7540QFSKYNTDFH7HAK24 552746349 142146425.55000000 NS USD 6676617608.18000000 14.97215909470 Long EC RF US N 1 N N N MFS Institutional Money Market Portfolio 5L2W638H85N8T1136O07 55291X109 74033625.08000000 NS USD 74041028.45000000 0.166035277522 Long EC RF US N 1 N N N MFS International Large Cap Value Fund 549300YEW2NKJCMQAR75 552743445 358626302.99000000 NS USD 6659690446.47000000 14.93420032980 Long EC RF US N 1 N N N MFS International Growth Fund PTNAY8DC4VJYOKVJ5B83 552746356 135508674.43000000 NS USD 6687353083.17000000 14.99623314670 Long EC RF US N 1 N N N 2026-06-12 MFS SERIES TRUST X James Byrne James Byrne Assistant Treasurer