NPORT-P false 0000867969 XXXXXXXX S000002537 C000006994 MFS Institutional Trust 811-06174 0000867969 UFVBYVCTWR03WBNW0U67 111 Huntington Avenue Boston 02199 617-954-5000 MFS Institutional International Equity Fund S000002537 DMEBH0UWWHA1KO5Z5N87 2020-06-30 2020-06-30 N 10244419329.64 53263679.78 10191155649.86 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 360869.83000000 N Essity AB 549300G8E6YUVJ1DA153 N/A 2970571.00000000 NS 95988380.60000000 0.941879251950 Long EC CORP SE N 1 N N N Deutsche Boerse AG 529900G3SW56SHYNPR95 N/A 685337.00000000 NS 124004654.94000000 1.216786978832 Long EC CORP DE N 1 N N N Experian plc 635400RXXHHYT1JTSZ26 N/A 6455020.00000000 NS 225475328.43000000 2.212460845233 Long EC CORP JE N 1 N N N Rio Tinto plc 213800YOEO5OQ72G2R82 N/A 1765258.00000000 NS 99501696.45000000 0.976353417302 Long EC CORP GB N 1 N N N Intesa Sanpaolo SpA 2W8N8UU78PMDQKZENC08 N/A 47525313.00000000 NS 90963193.11000000 0.892569952174 Long EC CORP IT N 1 N N N Koninklijke Philips NV H1FJE8H61JGM1JSGM897 N/A 2192888.00000000 NS 102293226.15000000 1.003745106683 Long EC CORP NL N 1 N N N Carlsberg A/S 5299001O0WJQYB5GYZ19 N/A 591264.00000000 NS 78145800.59000000 0.766800187092 Long EC CORP DK N 1 N N N Merck KGaA 529900OAREIS0MOPTW25 N/A 1032407.00000000 NS 119818627.89000000 1.175711882014 Long EC CORP DE N 1 N N N Eni SpA BUCRF72VH5RBN7X3VL35 N/A 5982857.00000000 NS 57067571.65000000 0.559971544059 Long EC CORP IT N 1 N N N ING Groep NV 549300NYKK9MWM7GGW15 N/A 9218416.00000000 NS 64192007.02000000 0.629879566414 Long EC CORP NL N 1 N N N Yum China Holdings, Inc. 529900DO9BYZ7VA3K502 98850P109 1773985.00000000 NS USD 85275458.95000000 0.836759459671 Long EC CORP US N 1 N N N LVMH Moet Hennessy Louis Vuitton SE IOG4E947OATN0KJYSD45 N/A 450442.00000000 NS 197620956.15000000 1.939141770960 Long EC CORP FR N 1 N N N Legrand SA 969500XXRPGD7HCAFA90 N/A 1273698.00000000 NS 96764200.62000000 0.949491931480 Long EC CORP FR N 1 N N N Hermes International 969500Y4IJGHJE2MTJ13 N/A 33490.00000000 NS 27986230.16000000 0.274612920472 Long EC CORP FR N 1 N N N Schneider Electric SE 969500A1YF1XUYYXS284 N/A 3124976.00000000 NS 347158836.31000000 3.406471731346 Long EC CORP FR N 1 N N N Amcor plc 549300GSODGFCDQ3DI89 N/A 134408.00000000 NS 1354372.51000000 0.013289685257 Long EC CORP JE N 2 N N N KBC Group NV 213800X3Q9LSAKRUWY91 N/A 2355147.00000000 NS 135105151.81000000 1.325709825772 Long EC CORP BE N 1 N N N SMC Corp. N/A N/A 74400.00000000 NS 38021690.21000000 0.373085168319 Long EC CORP JP N 1 N N N Denso Corp. 549300RYPA10CQM3QK38 N/A 1137800.00000000 NS 44310710.81000000 0.434795741841 Long EC CORP JP N 1 N N N FANUC Corp. 529900QTSW745LOKW705 N/A 152000.00000000 NS 27112942.81000000 0.266043849603 Long EC CORP JP N 1 N N N Shin-Etsu Chemical Co. Ltd. 353800PX8Q64N86H5W41 N/A 489200.00000000 NS 57063894.42000000 0.559935461497 Long EC CORP JP N 1 N N N MTU Aero Engines AG 529900807L67JY81RD65 N/A 287883.00000000 NS 49857744.62000000 0.489225622029 Long EC CORP DE N 1 N N N Suncor Energy, Inc. 549300W70ZOQDVLCHY06 867224107 4631948.00000000 NS 78097591.13000000 0.766327135147 Long EC CORP CA N 1 N N N Novo Nordisk A/S 549300DAQ1CVT6CXN342 N/A 3321999.00000000 NS 215072200.62000000 2.110380883280 Long EC CORP DK N 1 N N N Bayer AG 549300J4U55H3WP1XT59 N/A 2782616.00000000 NS 204242852.34000000 2.004118662860 Long EC CORP DE N 2 N N N AIA Group Ltd. ZP5ILWVSYE4LJGMMVD57 N/A 29788489.00000000 NS 277879847.07000000 2.726676508702 Long EC CORP HK N 1 N N N Sika AG 549300R3N69ECGYPU434 N/A 408594.00000000 NS 78639628.37000000 0.771645837546 Long EC CORP CH N 1 N N N Akzo Nobel NV 724500XYIJUGXAA5QD70 N/A 1753301.00000000 NS 157074538.26000000 1.541282889366 Long EC CORP NL N 1 N N N Daikin Industries Ltd. 549300Y7FWSTSHMW5Y57 N/A 1310600.00000000 NS 210412141.70000000 2.064654381987 Long EC CORP JP N 1 N N N Engie SA LAXUQCHT4FH58LRZDY46 N/A 7934537.00000000 NS 98058976.22000000 0.962196826238 Long EC CORP FR N 1 N N N Hitachi Ltd. 549300T6IPOCDWLKC615 N/A 4566500.00000000 NS 143920347.30000000 1.412208313214 Long EC CORP JP N 1 N N N Japan Tobacco, Inc. 353800Z0ENYBQO0XRJ31 N/A 4857600.00000000 NS 90043865.71000000 0.883549116544 Long EC CORP JP N 1 N N N Dassault Systemes SE 96950065LBWY0APQIM86 N/A 346582.00000000 NS 59809517.54000000 0.586876695782 Long EC CORP FR N 1 N N N Capgemini SE 96950077L0TN7BAROX36 N/A 1056303.00000000 NS 120989817.94000000 1.187204102232 Long EC CORP FR N 1 N N N Check Point Software Technologies Ltd. 2549003ZVBH73EPNS513 N/A 1206745.00000000 NS USD 129640615.35000000 1.272089445045 Long EC CORP IL N 1 N N N Reckitt Benckiser Group plc 5493003JFSMOJG48V108 N/A 1673644.00000000 NS 154125729.79000000 1.512347913085 Long EC CORP GB N 1 N N N SAP SE 529900D6BF99LW9R2E68 N/A 2119625.00000000 NS 296055486.97000000 2.905023700369 Long EC CORP DE N 1 N N N Randstad NV 7245009EAAUUQJ0U4T57 N/A 1851321.00000000 NS 82491180.23000000 0.809438920022 Long EC CORP NL N 1 N N N Roche Holding AG 549300U41AUUVOAAOB37 N/A 1085580.00000000 NS 376220584.73000000 3.691638099307 Long EC CORP CH N 1 N N N UBS Group AG 549300SZJ9VS8SGXAN81 N/A 13463028.00000000 NS 154957327.92000000 1.520507911407 Long EC CORP CH N 1 N N N Cie Financiere Richemont SA 549300YIPGJ6UX2QPS51 N/A 1249517.00000000 NS 79709544.02000000 0.782144309817 Long EC CORP CH N 1 N N N Ambev SA 549300TH5Q6VRP8OT012 02319V103 12954714.00000000 NS USD 34200444.96000000 0.335589467328 Long EC CORP BR N 1 N N N Air Liquide SA 969500MMPQVHK671GT54 N/A 2100966.00000000 NS 303079894.84000000 2.973950209897 Long EC CORP FR N 1 N N N DBS Group Holdings Ltd. 5493007FKT78NKPM5V55 N/A 6490851.00000000 NS 97093540.93000000 0.952723560171 Long EC CORP SG N 2 N N N Nestle SA KY37LUS27QQX7BB93L28 N/A 3861387.00000000 NS 426873897.70000000 4.188670179969 Long EC CORP CH N 1 N N N Ryanair Holdings plc 635400BR2ROC1FVEBQ56 783513203 1311560.00000000 NS USD 87008890.40000000 0.853768634190 Long EC CORP IE N 1 N N N Canadian National Railway Co. 3SU7BEP7TH9YEQOZCS77 136375102 2212339.00000000 NS USD 195946865.23000000 1.922714871229 Long EC CORP CA N 1 N N N Taiwan Semiconductor Manufacturing Co. Ltd. 549300KB6NK5SBD14S87 874039100 2578462.00000000 NS USD 146379287.74000000 1.436336493810 Long EC CORP TW N 1 N N N L'Oreal SA 529900JI1GG6F7RKVI53 N/A 423737.00000000 NS 136012777.00000000 1.334615834288 Long EC CORP FR N 1 N N N Smiths Group plc 213800MJL6IPZS3ASA11 N/A 3671835.00000000 NS 64242763.43000000 0.630377610127 Long EC CORP GB N 1 N N N Diageo plc 213800ZVIELEA55JMJ32 N/A 4666007.00000000 NS 155034926.40000000 1.521269341049 Long EC CORP GB N 1 N N N Tata Consultancy Services Ltd. 335800ZJKU9GPQRE2U66 N/A 5079613.00000000 NS 140606468.37000000 1.379691108651 Long EC CORP IN N 2 N N N EssilorLuxottica SA 549300M3VH1A3ER1TB49 N/A 895754.00000000 NS 114978872.30000000 1.128222119751 Long EC CORP FR N 1 N N N RELX plc 549300WSX3VBUFFJOO66 N/A 2463912.00000000 NS 57091724.23000000 0.560208539556 Long EC CORP GB N 1 N N N Beiersdorf AG L47NHHI0Z9X22DV46U41 N/A 1812983.00000000 NS 205929216.58000000 2.020665993682 Long EC CORP DE N 1 N N N Zurich Insurance Group AG 529900QVNRBND50TXP03 N/A 404730.00000000 NS 142762959.52000000 1.400851526803 Long EC CORP CH N 1 N N N Tesco plc 2138002P5RNKC5W2JZ46 N/A 37787061.00000000 NS 106800862.53000000 1.047975972494 Long EC CORP GB N 1 N N N Julius Baer Group Ltd. 5299007MF0604ZGJER92 N/A 1626828.00000000 NS 68081408.20000000 0.668044042688 Long EC CORP CH N 1 N N N Amadeus IT Group SA 9598004A3FTY3TEHHN09 N/A 2981343.00000000 NS 155351613.47000000 1.524376810711 Long EC CORP ES N 1 N N N RELX plc 549300WSX3VBUFFJOO66 N/A 5266871.00000000 NS 121896989.99000000 1.196105664343 Long EC CORP GB N 1 N N N Kyocera Corp. N/A N/A 2298900.00000000 NS 124871947.21000000 1.225297223398 Long EC CORP JP N 1 N N N Pernod Ricard SA 52990097YFPX9J0H5D87 N/A 1082441.00000000 NS 170317952.24000000 1.671232960143 Long EC CORP FR N 1 N N N Alcon, Inc. 549300LDT5AP8S0NBM78 N/A 424544.00000000 NS 24358237.21000000 0.239013494120 Long EC CORP CH N 1 N N N Galp Energia SGPS SA 2138003319Y7NM75FG53 N/A 4109968.00000000 NS 47537667.79000000 0.466460030866 Long EC CORP PT N 1 N N N Terumo Corp. 353800JX1R4582QVK932 N/A 5283500.00000000 NS 199694035.66000000 1.959483718244 Long EC CORP JP N 1 N N N Hoya Corp. 353800X4VR3BHEUCJB42 N/A 2587000.00000000 NS 247743984.68000000 2.430970472749 Long EC CORP JP N 2 N N N Rolls-Royce Holdings plc 213800EC7997ZBLZJH69 N/A 13370776.00000000 NS 47284297.59000000 0.463973853550 Long EC CORP GB N 1 N N N Kubota Corp. 549300CSY4INHEHQQT13 N/A 9045400.00000000 NS 134707137.76000000 1.321804340824 Long EC CORP JP N 1 N N N Barclays plc 213800LBQA1Y9L22JB70 N/A 27140303.00000000 NS 38478930.75000000 0.377571809047 Long EC CORP GB N 1 N N N QIAGEN NV 54930036WK3GMCN17Z57 N/A 1877221.00000000 NS 80861276.39000000 0.793445602914 Long EC CORP NL N 1 N N N Koito Manufacturing Co. Ltd. N/A N/A 1184400.00000000 NS 47606353.32000000 0.467134002812 Long EC CORP JP N 1 N N N MFS Institutional Money Market Portfolio 5L2W638H85N8T1136O07 55291X109 37277466.94000000 NS USD 37281194.69000000 0.365819107968 Long STIV RF US N 1 N N N Olympus Corp. 5299000Y52IFDI1I2A21 N/A 11450100.00000000 NS 220094304.70000000 2.159659927311 Long EC CORP JP N 1 N N N Compass Group plc 2138008M6MH9OZ6U2T68 N/A 7049911.00000000 NS 97139257.99000000 0.953172155616 Long EC CORP GB N 1 N N N Novartis AG 5493007HIVTX6SY6XD66 N/A 2122713.00000000 NS 184657771.34000000 1.811941429258 Long EC CORP CH N 1 N N N Tencent Holdings Ltd. 254900N4SLUMW4XUYY11 N/A 1216600.00000000 NS 78265500.29000000 0.767974732002 Long EC CORP KY N 1 N N N Danone SA 969500KMUQ2B6CBAF162 N/A 2375911.00000000 NS 164324325.87000000 1.612420921784 Long EC CORP FR N 1 N N N Linde plc 8945002PAZHZLBGKGF02 N/A 531386.00000000 NS 111850171.94000000 1.097521966917 Long EC CORP IE N 2 N N N Housing Development Finance Corp. Ltd. 335800OX2H9AP7NHLT64 N/A 3461044.00000000 NS 81182393.37000000 0.796596540757 Long EC CORP IN N 2 N N N 2020-07-30 MFS Institutional Trust Kasey Phillips Kasey Phillips Assistant Treasurer