NPORT-P false 0000798244 XXXXXXXX S000042701 C000132015 C000132020 C000132021 C000132016 C000132013 C000132019 C000132018 C000132017 C000132014 MFS SERIES TRUST I 811-04777 0000798244 549300QRB5FQ35HH3533 111 HUNTINGTON AVENUE BOSTON 02199 617-954-5000 MFS Low Volatility Equity Fund S000042701 549300X3ZVIZOWLC2P38 2026-08-31 2026-02-28 N 344482366.87 87661.06 344394705.81 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 Equitable Holdings Inc 549300FIBAKMNHPZ4009 29452E101 33772.00000000 NS USD 1358309.84000000 0.394404971123 Long EC CORP US N 1 N N N Assurant Inc H3F39CAXWQRVWURFXL38 04621X108 10501.00000000 NS USD 2410924.59000000 0.700046937228 Long EC CORP US N 1 N N N Intuit Inc VI90HBPH7XSFMB9E4M29 461202103 10432.00000000 NS USD 4267000.96000000 1.238985642930 Long EC CORP US N 1 N N N Accenture PLC 5493000EWHDSR3MZWH98 000000000 20738.00000000 NS USD 4328435.36000000 1.256824012384 Long EC CORP IE N 1 N N N AMETEK Inc 549300WZDEF9KKE40E98 031100100 11099.00000000 NS USD 2655102.78000000 0.770947617721 Long EC CORP US N 1 N N N Teledyne Technologies Inc 549300VSMO9KYQWDND94 879360105 15586.00000000 NS USD 10615624.60000000 3.082400635350 Long EC CORP US N 1 N N N Vertex Pharmaceuticals Inc 54930015RAQRRZ5ZGJ91 92532F100 4187.00000000 NS USD 2080227.21000000 0.604024154525 Long EC CORP US N 1 N N N Mondelez International Inc 549300DV9GIB88LZ5P30 609207105 57459.00000000 NS USD 3538325.22000000 1.027404068735 Long EC CORP US N 1 N N N Johnson & Johnson 549300G0CFPGEF6X2043 478160104 43852.00000000 NS USD 10894152.36000000 3.163275211904 Long EC CORP US N 1 N N N McDonald's Corp UE2136O97NLB5BYP9H04 580135101 12781.00000000 NS USD 4359087.86000000 1.265724410527 Long EC CORP US N 1 N N N Essential Properties Realty Trust Inc 2549009LXQLVYCGLZO50 29670E107 43340.00000000 NS USD 1470959.60000000 0.427114463487 Long EC CORP US N 1 N N N Pentair PLC 549300EVR9D56WPSRP15 000000000 19049.00000000 NS USD 1889470.31000000 0.548635120727 Long EC CORP IE N 1 N N N Amphenol Corp 549300D3L3G0R4U4VT04 032095101 49257.00000000 NS USD 7194477.42000000 2.089020910782 Long EC CORP US N 1 N N N Northern Trust Corp 549300GLF98S992BC502 665859104 9387.00000000 NS USD 1343185.83000000 0.390013495370 Long EC CORP US N 1 N N N Hilton Worldwide Holdings Inc 549300HVGPK36ICB0B89 43300A203 8685.00000000 NS USD 2707809.30000000 0.786251720574 Long EC CORP US N 1 N N N WP Carey Inc 54930042CRNE713E3Q67 92936U109 25833.00000000 NS USD 1928433.45000000 0.559948633781 Long EC CORP US N 1 N N N General Mills Inc 2TGYMUGI08PO8X8L6150 370334104 126097.00000000 NS USD 5703367.31000000 1.656055454332 Long EC CORP US N 1 N N N AbbVie Inc FR5LCKFTG8054YNNRU85 00287Y109 8605.00000000 NS USD 1997048.40000000 0.579871980117 Long EC CORP US N 1 N N N Ventas Inc ORQTRC074CWLT3DKHT41 92276F100 24457.00000000 NS USD 2107215.12000000 0.611860485788 Long EC CORP US N 1 N N N Everest Group Ltd 549300N24XF2VV0B3570 000000000 11900.00000000 NS USD 3992331.00000000 1.159231234583 Long EC CORP BM N 1 N N N Cognizant Technology Solutions Corp 5493006IEVQEFQO40L83 192446102 98238.00000000 NS USD 6329474.34000000 1.837854715307 Long EC CORP US N 1 N N N EOG Resources Inc XWTZDRYZPBUHIQBKDB46 26875P101 21859.00000000 NS USD 2712264.72000000 0.787545416420 Long EC CORP US N 1 N N N Aramark 549300MR6PG2DWZUIL39 03852U106 61359.00000000 NS USD 2567874.15000000 0.745619519313 Long EC CORP US N 1 N N N Chubb Ltd E0JAN6VLUDI1HITHT809 000000000 11813.00000000 NS USD 4026579.18000000 1.169175690587 Long EC CORP CH N 1 N N N Omnicom Group Inc HKUPACFHSSASQK8HLS17 681919106 35132.00000000 NS USD 2996408.28000000 0.870050621989 Long EC CORP US N 1 N N N General Dynamics Corp 9C1X8XOOTYY2FNYTVH06 369550108 5722.00000000 NS USD 2043040.10000000 0.593226337552 Long EC CORP US N 1 N N N Xcel Energy Inc LGJNMI9GH8XIDG5RCM61 98389B100 47572.00000000 NS USD 3965601.92000000 1.151470058366 Long EC CORP US N 1 N N N Allegion plc 984500560CAC2E6FB757 000000000 7969.00000000 NS USD 1284204.35000000 0.372887366830 Long EC CORP IE N 1 N N N Atmos Energy Corp QVLWEGTD2S8GJMO8D383 049560105 12168.00000000 NS USD 2272860.72000000 0.659958089266 Long EC CORP US N 1 N N N Exelon Corp 3SOUA6IRML7435B56G12 30161N101 81165.00000000 NS USD 4015232.55000000 1.165881031927 Long EC CORP US N 1 N N N Medtronic PLC 549300GX3ZBSQWUXY261 000000000 40678.00000000 NS USD 3972613.48000000 1.153505966549 Long EC CORP IE N 1 N N N PepsiCo Inc FJSUNZKFNQ5YPJ5OT455 713448108 30579.00000000 NS USD 5190479.46000000 1.507131025081 Long EC CORP US N 1 N N N Alphabet Inc 5493006MHB84DD0ZWV18 02079K305 34436.00000000 NS USD 10735767.36000000 3.117285828987 Long EC CORP US N 1 N N N Visa Inc 549300JZ4OKEHW3DPJ59 92826C839 20771.00000000 NS USD 6649627.94000000 1.930815958497 Long EC CORP US N 1 N N N Boston Scientific Corp Y6ZDD9FP4P8JSSJMW954 101137107 22578.00000000 NS USD 1735119.30000000 0.503817065340 Long EC CORP US N 1 N N N NXP Semiconductors NV 724500M9BY5293JDF951 000000000 9579.00000000 NS USD 2174528.79000000 0.631405986594 Long EC CORP NL N 1 N N N Leidos Holdings Inc 549300IUTGTP6EJP8124 525327102 9793.00000000 NS USD 1714754.30000000 0.497903792094 Long EC CORP US N 1 N N N CBRE Group Inc 52990016II9MJ2OSWA10 12504L109 9307.00000000 NS USD 1374271.62000000 0.399039705551 Long EC CORP US N 1 N N N Procter & Gamble Co/The 2572IBTT8CCZW6AU4141 742718109 36053.00000000 NS USD 6028061.60000000 1.750335152749 Long EC CORP US N 1 N N N Albertsons Cos Inc 549300YKWOC0AOR16R51 013091103 75719.00000000 NS USD 1355370.10000000 0.393551374958 Long EC CORP US N 1 N N N Tyler Technologies Inc 25490040SMU4Z8LBCW70 902252105 11035.00000000 NS USD 3914004.15000000 1.136487897162 Long EC CORP US N 1 N N N Microsoft Corp INR2EJN1ERAN0W5ZP974 594918104 18054.00000000 NS USD 7090527.96000000 2.058837676764 Long EC CORP US N 1 N N N American Tower Corp 5493006ORUSIL88JOE18 03027X100 9931.00000000 NS USD 1905361.66000000 0.553249404783 Long EC CORP US N 1 N N N Federal Realty Investment Trust 549300FHEI1SLVZ0RB48 313745101 17417.00000000 NS USD 1894447.09000000 0.550080201013 Long EC CORP US N 1 N N N Trimble Inc 549300E2MI7NSZFQWS19 896239100 22656.00000000 NS USD 1515006.72000000 0.439904183903 Long EC CORP US N 1 N N N Take-Two Interactive Software Inc BOMSTHHJK882EWYX3334 874054109 9535.00000000 NS USD 2016461.80000000 0.585508942495 Long EC CORP US N 1 N N N Waste Management Inc 549300YX8JIID70NFS41 94106L109 9614.00000000 NS USD 2315435.76000000 0.672320369894 Long EC CORP US N 1 N N N Entergy Corp 4XM3TW50JULSLG8BNC79 29364G103 15575.00000000 NS USD 1668238.25000000 0.484397182028 Long EC CORP US N 1 N N N Cigna Group/The 549300VIWYMSIGT1U456 125523100 8414.00000000 NS USD 2438545.48000000 0.708067063419 Long EC CORP US N 1 N N N O'Reilly Automotive Inc 549300K2RLMQL149Q332 67103H107 43418.00000000 NS USD 4076081.84000000 1.183549506201 Long EC CORP US N 1 N N N Principal Financial Group Inc CUMYEZJOAF02RYZ1JJ85 74251V102 21244.00000000 NS USD 2027102.48000000 0.588598618330 Long EC CORP US N 1 N N N Walmart Inc Y87794H0US1R65VBXU25 931142103 13981.00000000 NS USD 1788868.95000000 0.519424056125 Long EC CORP US N 1 N N N Public Storage 254900GLQZAD4N7N5Q19 74460D109 5336.00000000 NS USD 1638472.16000000 0.475754165891 Long EC CORP US N 1 N N N Rithm Capital Corp 549300WNTHGEO5LP2G31 64828T201 133945.00000000 NS USD 1346147.25000000 0.390873386637 Long EC CORP US N 1 N N N Corning Inc 549300X2937PB0CJ7I56 219350105 35392.00000000 NS USD 5322248.96000000 1.545392211382 Long EC CORP US N 1 N N N Axis Capital Holdings Ltd 635400VD2NQBYAHMEM55 000000000 13989.00000000 NS USD 1478917.08000000 0.429425033268 Long EC CORP BM N 1 N N N TJX Cos Inc/The V167QI9I69W364E2DY52 872540109 9641.00000000 NS USD 1558564.06000000 0.452551689589 Long EC CORP US N 1 N N N Monster Beverage Corp 52990090AP0E7HCB6F33 61174X109 32310.00000000 NS USD 2756043.00000000 0.800257075241 Long EC CORP US N 1 N N N Ecolab Inc 82DYEISM090VG8LTLS26 278865100 5961.00000000 NS USD 1838074.35000000 0.533711557986 Long EC CORP US N 1 N N N Mastercard Inc AR5L2ODV9HN37376R084 57636Q104 4672.00000000 NS USD 2416405.12000000 0.701638288636 Long EC CORP US N 1 N N N Republic Services Inc NKNQHM6BLECKVOQP7O46 760759100 24805.00000000 NS USD 5680345.00000000 1.649370592570 Long EC CORP US N 1 N N N Popular Inc 5493008CARDZMVQ3LO89 733174700 10663.00000000 NS USD 1443343.68000000 0.419095780408 Long EC CORP PR N 1 N N N Essex Property Trust Inc 549300TR2H2VEFX0NC60 297178105 6448.00000000 NS USD 1644949.28000000 0.477634891666 Long EC CORP US N 1 N N N Home Depot Inc/The QEKMOTMBBKA8I816DO57 437076102 5075.00000000 NS USD 1932154.00000000 0.561028949459 Long EC CORP US N 1 N N N Evergy Inc 549300PGTHDQY6PSUI61 30034W106 39988.00000000 NS USD 3345396.08000000 0.971384293533 Long EC CORP US N 1 N N N Jacobs Solutions Inc 254900E3KHXCC2C8K272 46982L108 10927.00000000 NS USD 1506396.22000000 0.437404000290 Long EC CORP US N 1 N N N Abbott Laboratories HQD377W2YR662HK5JX27 002824100 27713.00000000 NS USD 3224407.55000000 0.936253518304 Long EC CORP US N 1 N N N MFS Institutional Money Market Portfolio 5L2W638H85N8T1136O07 55291X109 1356547.32000000 NS USD 1356682.98000000 0.393932588716 Long EC RF US N 1 N N N Goldman Sachs Group Inc/The 784F5XWPLTWKTBV3E584 38141G104 1426.00000000 NS USD 1225746.82000000 0.355913374776 Long EC CORP US N 1 N N N Curtiss-Wright Corp TEL51ETZWP7D0ZM4X325 231561101 2683.00000000 NS USD 1878985.39000000 0.545590672069 Long EC CORP US N 1 N N N AvalonBay Communities Inc K9G90K85RBWD2LAGQX17 053484101 7163.00000000 NS USD 1269498.49000000 0.368617306997 Long EC CORP US N 1 N N N Deere & Co PWFTNG3EI0Y73OXWDH08 244199105 3954.00000000 NS USD 2489873.34000000 0.722970852337 Long EC CORP US N 1 N N N Analog Devices Inc GYVOE5EZ4GDAVTU4CQ61 032654105 26923.00000000 NS USD 9578934.17000000 2.781382526618 Long EC CORP US N 1 N N N MetLife Inc C4BXATY60WC6XEOZDX54 59156R108 21399.00000000 NS USD 1542225.93000000 0.447807676477 Long EC CORP US N 1 N N N Duke Energy Corp I1BZKREC126H0VB1BL91 26441C204 32657.00000000 NS USD 4273168.45000000 1.240776463142 Long EC CORP US N 1 N N N Pfizer Inc 765LHXWGK1KXCLTFYQ30 717081103 111096.00000000 NS USD 3071804.40000000 0.891942979429 Long EC CORP US N 1 N N N Waste Connections Inc 549300HDLRTPBQU69P29 94106B101 16944.00000000 NS USD 2916570.72000000 0.846868628000 Long EC CORP CA N 1 N N N Voya Financial Inc 549300T065Z4KJ686G75 929089100 20690.00000000 NS USD 1383747.20000000 0.401791077695 Long EC CORP US N 1 N N N Autodesk Inc FRKKVKAIQEF3FCSTPG55 052769106 16467.00000000 NS USD 4048741.29000000 1.175610780798 Long EC CORP US N 1 N N N TE Connectivity PLC 6367003TB6K484NFHE54 000000000 26818.00000000 NS USD 6172162.70000000 1.792176998041 Long EC CORP IE N 1 N N N JB Hunt Transport Services Inc 549300XCD1MPI1C5GK90 445658107 8590.00000000 NS USD 2004991.90000000 0.582178490602 Long EC CORP US N 1 N N N Simon Property Group Inc 529900GQL5X8H7AO3T64 828806109 7298.00000000 NS USD 1487697.30000000 0.431974497546 Long EC CORP US N 1 N N N ACI Worldwide Inc 5493003BPVMZUJ6F5C02 004498101 86095.00000000 NS USD 3416249.60000000 0.991957641150 Long EC CORP US N 1 N N N Live Nation Entertainment Inc 5493007B9BM9ZXJINO78 538034109 13314.00000000 NS USD 2158731.96000000 0.626819147792 Long EC CORP US N 1 N N N AutoZone Inc GA3JGKJ41LJKXDN23E90 053332102 1513.00000000 NS USD 5682192.54000000 1.649907052617 Long EC CORP US N 1 N N N Ameriprise Financial Inc 6ZLKQF7QB6JAEKQS5388 03076C106 3263.00000000 NS USD 1534001.56000000 0.445419611312 Long EC CORP US N 1 N N N Hartford Insurance Group Inc/The IU7C3FTM7Y3BQM112U94 416515104 22985.00000000 NS USD 3236977.55000000 0.939903400195 Long EC CORP US N 1 N N N McKesson Corp 549300WZWOM80UCFSF54 58155Q103 11304.00000000 NS USD 11161230.48000000 3.240825219350 Long EC CORP US N 1 N N N Verisk Analytics Inc 549300I1YSWNIRKBWP67 92345Y106 11657.00000000 NS USD 2419643.49000000 0.702578596354 Long EC CORP US N 1 N N N NNN REIT Inc 5493008JKH5SOTI0JS97 637417106 34739.00000000 NS USD 1574371.48000000 0.457141603352 Long EC CORP US N 1 N N N Apple Inc HWUPKR0MPOU8FGXBT394 037833100 15388.00000000 NS USD 4065201.84000000 1.180390340333 Long EC CORP US N 1 N N N Cboe Global Markets Inc 529900RLNSGA90UPEH54 12503M108 10357.00000000 NS USD 3104200.04000000 0.901349523564 Long EC CORP US N 1 N N N Kimberly-Clark Corp MP3J6QPYPGN75NVW2S34 494368103 11832.00000000 NS USD 1318558.08000000 0.382862470809 Long EC CORP US N 1 N N N Merck & Co Inc 4YV9Y5M8S0BRK1RP0397 58933Y105 63055.00000000 NS USD 7807470.10000000 2.267012229946 Long EC CORP US N 1 N N N Expand Energy Corp X2MT1W32SPAZ9WSKLE78 165167735 19779.00000000 NS USD 2134549.68000000 0.619797471909 Long EC CORP US N 1 N N N Colgate-Palmolive Co YMEGZFW4SBUSS5BQXF88 194162103 35726.00000000 NS USD 3541875.64000000 1.028434984698 Long EC CORP US N 1 N N N STERIS PLC N/A 000000000 12930.00000000 NS USD 3262885.50000000 0.947426149401 Long EC CORP IE N 1 N N N JPMorgan Chase & Co 8I5DZWZKVSZI1NUHU748 46625H100 5427.00000000 NS USD 1629728.10000000 0.473215201193 Long EC CORP US N 1 N N N Westinghouse Air Brake Technologies Corp 06BTX5UWZD0GQ5N5Y745 929740108 7438.00000000 NS USD 1963260.10000000 0.570061056944 Long EC CORP US N 1 N N N DTE Energy Co 549300IX8SD6XXD71I78 233331107 17559.00000000 NS USD 2602946.16000000 0.755803186311 Long EC CORP US N 1 N N N Motorola Solutions Inc 6S552MUG6KGJVEBSEC55 620076307 14976.00000000 NS USD 7222325.76000000 2.097107080381 Long EC CORP US N 1 N N N Hologic Inc 549300DYP6F5ZJL0LB74 436440101 27704.00000000 NS USD 2087773.44000000 0.606215311901 Long EC CORP US N 1 N N N Hanover Insurance Group Inc/The JJYR6MFKFF6CF8DBZ078 410867105 10427.00000000 NS USD 1883429.01000000 0.546880941613 Long EC CORP US N 1 N N N Reynolds Consumer Products Inc 894500ZQLNYY77S80A06 76171L106 66728.00000000 NS USD 1655521.68000000 0.480704741411 Long EC CORP US N 1 N N N American International Group Inc ODVCVCQG2BP6VHV36M30 026874784 16281.00000000 NS USD 1310457.69000000 0.380510405035 Long EC CORP US N 1 N N N Eaton Corp PLC 549300VDIGTMXUNT7H71 000000000 5731.00000000 NS USD 2154397.52000000 0.625560580245 Long EC CORP IE N 1 N N N 2026-03-13 MFS SERIES TRUST I James Byrne James Byrne Assistant Treasurer