Holdings of MFS Core Equity Fund
MFS SERIES TRUST I · 168 declared positions · as of Feb 28, 2026
Original filing · Net assets 6.4B $ · Ten largest lines: 38.2 % of the equity sleeve
Country breakdown
Shares computed on the equity sleeve, the only part this site carries.
| Country | Lines | Value (USD) | Share |
|---|---|---|---|
| US | 159 | 6.2B $ | 97.83 % |
| CA | 1 | 38.3M $ | 0.60 % |
| IE | 2 | 34.9M $ | 0.55 % |
| GB | 2 | 25.8M $ | 0.41 % |
| BM | 1 | 15M $ | 0.24 % |
| JE | 1 | 14.2M $ | 0.22 % |
| KY | 2 | 9.9M $ | 0.16 % |
Sector breakdown is published in no regulatory filing: neither Form N-PORT nor the LEI reference data carries an activity code. It is absent rather than estimated.
Positions
| Company | Shares | Value (USD) | Weight |
|---|---|---|---|
| NVIDIA Corp | 2,554,018 | 452.5M $ | 7.11 % |
| Apple Inc | 1,419,970 | 375.1M $ | 5.89 % |
| Microsoft Corp | 794,198 | 311.9M $ | 4.90 % |
| Alphabet Inc | 941,220 | 293.4M $ | 4.61 % |
| Amazon.com Inc | 1,234,102 | 259.2M $ | 4.07 % |
| Broadcom Inc | 544,263 | 173.9M $ | 2.73 % |
| Meta Platforms Inc | 257,868 | 167.1M $ | 2.63 % |
| Johnson & Johnson | 576,182 | 143.1M $ | 2.25 % |
| JPMorgan Chase & Co | 428,995 | 128.8M $ | 2.02 % |
| Gilead Sciences Inc | 838,949 | 125M $ | 1.96 % |
| Pfizer Inc | 4,044,489 | 111.8M $ | 1.76 % |
| Lam Research Corp | 439,325 | 102.8M $ | 1.61 % |
| Mastercard Inc | 185,299 | 95.8M $ | 1.51 % |
| Exxon Mobil Corp | 612,373 | 93.4M $ | 1.47 % |
| KLA Corp | 40,394 | 61.6M $ | 0.97 % |
| Caterpillar Inc | 82,801 | 61.5M $ | 0.97 % |
| Cadence Design Systems Inc | 189,615 | 57.1M $ | 0.90 % |
| PNC Financial Services Group Inc/The | 268,515 | 57M $ | 0.90 % |
| Medtronic PLC | 564,880 | 55.2M $ | 0.87 % |
| BJ's Wholesale Club Holdings Inc | 501,175 | 49.5M $ | 0.78 % |
| Arista Networks Inc | 362,812 | 48.4M $ | 0.76 % |
| T-Mobile US Inc | 222,560 | 48.3M $ | 0.76 % |
| Chubb Ltd | 136,664 | 46.6M $ | 0.73 % |
| PepsiCo Inc | 273,653 | 46.4M $ | 0.73 % |
| Morgan Stanley | 271,504 | 45.2M $ | 0.71 % |
| RTX Corp | 220,814 | 44.7M $ | 0.70 % |
| Cigna Group/The | 154,044 | 44.6M $ | 0.70 % |
| Emerson Electric Co. | 293,580 | 44.3M $ | 0.70 % |
| Spotify Technology SA | 83,933 | 43.2M $ | 0.68 % |
| CRH PLC | 355,711 | 42.7M $ | 0.67 % |
| Uber Technologies Inc | 563,204 | 42.5M $ | 0.67 % |
| TJX Cos Inc/The | 258,993 | 41.9M $ | 0.66 % |
| Becton Dickinson & Co | 236,843 | 41.8M $ | 0.66 % |
| Philip Morris International Inc. | 222,169 | 41.5M $ | 0.65 % |
| Autodesk Inc | 168,330 | 41.4M $ | 0.65 % |
| ConocoPhillips | 363,554 | 41.2M $ | 0.65 % |
| Amphenol Corp | 282,271 | 41.2M $ | 0.65 % |
| General Electric Co | 117,221 | 40.1M $ | 0.63 % |
| GE Vernova Inc | 45,393 | 39.7M $ | 0.62 % |
| Wells Fargo & Co | 477,038 | 38.9M $ | 0.61 % |
| Aon PLC | 115,417 | 38.7M $ | 0.61 % |
| GFL Environmental Inc | 867,663 | 38.3M $ | 0.60 % |
| Trane Technologies PLC | 82,170 | 38M $ | 0.60 % |
| Waters Corp | 117,397 | 37.5M $ | 0.59 % |
| Charles Schwab Corp/The | 391,121 | 37.2M $ | 0.58 % |
| MFS Institutional Money Market Portfolio | 35,912,950 | 35.9M $ | 0.56 % |
| Intuit Inc | 86,837 | 35.5M $ | 0.56 % |
| Floor & Decor Holdings Inc | 509,237 | 35.2M $ | 0.55 % |
| AMETEK Inc | 146,921 | 35.1M $ | 0.55 % |
| Carvana Co | 104,318 | 34.9M $ | 0.55 % |
| PG&E Corp | 1,811,096 | 34.4M $ | 0.54 % |
| Legence Corp | 547,320 | 31.8M $ | 0.50 % |
| Guidewire Software Inc | 216,825 | 31.5M $ | 0.49 % |
| Tractor Supply Co | 591,982 | 30.7M $ | 0.48 % |
| Visa Inc | 95,333 | 30.5M $ | 0.48 % |
| CME Group Inc | 95,269 | 30.4M $ | 0.48 % |
| MYR Group Inc | 109,413 | 29.5M $ | 0.46 % |
| Moody's Corp | 60,827 | 29.1M $ | 0.46 % |
| Hilton Worldwide Holdings Inc | 91,475 | 28.5M $ | 0.45 % |
| Nordson Corp | 96,133 | 28.2M $ | 0.44 % |
| Progressive Corp/The | 131,902 | 28.2M $ | 0.44 % |
| Cheniere Energy Inc | 118,849 | 28M $ | 0.44 % |
| Accenture PLC | 131,422 | 27.4M $ | 0.43 % |
| Eaton Corp PLC | 72,831 | 27.4M $ | 0.43 % |
| McKesson Corp | 27,718 | 27.4M $ | 0.43 % |
| Howmet Aerospace Inc | 101,675 | 26.7M $ | 0.42 % |
| Digital Realty Trust Inc | 150,229 | 26.6M $ | 0.42 % |
| Leidos Holdings Inc | 149,943 | 26.3M $ | 0.41 % |
| Sempra | 272,300 | 26.2M $ | 0.41 % |
| Linde PLC | 51,290 | 26.1M $ | 0.41 % |
| Seagate Technology Holdings PLC | 63,723 | 26M $ | 0.41 % |
| STERIS PLC | 101,846 | 25.7M $ | 0.40 % |
| Curtiss-Wright Corp | 36,306 | 25.4M $ | 0.40 % |
| KKR & Co Inc | 288,301 | 25.3M $ | 0.40 % |
| Mondelez International Inc | 402,269 | 24.8M $ | 0.39 % |
| Arthur J Gallagher & Co | 107,154 | 24.5M $ | 0.38 % |
| WW Grainger Inc | 20,929 | 24M $ | 0.38 % |
| Pentair PLC | 240,428 | 23.8M $ | 0.37 % |
| Boston Scientific Corp | 307,458 | 23.6M $ | 0.37 % |
| Duke Energy Corp | 180,167 | 23.6M $ | 0.37 % |
| Aptiv PLC | 302,694 | 22.3M $ | 0.35 % |
| Federal Realty Investment Trust | 204,260 | 22.2M $ | 0.35 % |
| Vistra Corp | 127,244 | 22.1M $ | 0.35 % |
| NextEra Energy Inc | 235,003 | 22M $ | 0.35 % |
| Willis Towers Watson PLC | 71,551 | 21.8M $ | 0.34 % |
| General Dynamics Corp | 60,262 | 21.5M $ | 0.34 % |
| Jacobs Solutions Inc | 155,812 | 21.5M $ | 0.34 % |
| Colgate-Palmolive Co | 215,961 | 21.4M $ | 0.34 % |
| Starbucks Corp | 217,100 | 21.3M $ | 0.33 % |
| Aramark | 500,587 | 20.9M $ | 0.33 % |
| TransUnion | 257,456 | 20.2M $ | 0.32 % |
| Advanced Energy Industries Inc | 59,567 | 20M $ | 0.31 % |
| Procter & Gamble Co/The | 118,779 | 19.9M $ | 0.31 % |
| Sherwin-Williams Co/The | 52,533 | 19M $ | 0.30 % |
| Kenvue Inc | 993,157 | 19M $ | 0.30 % |
| NNN REIT Inc | 408,143 | 18.5M $ | 0.29 % |
| PulteGroup Inc | 130,892 | 18M $ | 0.28 % |
| EchoStar Corp | 147,223 | 17M $ | 0.27 % |
| Tyler Technologies Inc | 46,838 | 16.6M $ | 0.26 % |
| Walt Disney Co/The | 152,622 | 16.2M $ | 0.25 % |
| SLB Ltd | 315,220 | 16.2M $ | 0.25 % |
| Principal Financial Group Inc | 168,514 | 16.1M $ | 0.25 % |
| Repligen Corp | 121,697 | 15.7M $ | 0.25 % |
| BWX Technologies Inc | 74,250 | 15.3M $ | 0.24 % |
| Xcel Energy Inc | 182,022 | 15.2M $ | 0.24 % |
| HubSpot Inc | 57,333 | 15.2M $ | 0.24 % |
| Albemarle Corp | 84,016 | 15M $ | 0.24 % |
| Viking Holdings Ltd | 191,824 | 15M $ | 0.24 % |
| MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC | 59,871 | 14.9M $ | 0.23 % |
| Ferguson Enterprises Inc | 56,923 | 14.8M $ | 0.23 % |
| Verisk Analytics Inc | 71,110 | 14.8M $ | 0.23 % |
| Okta Inc | 203,256 | 14.7M $ | 0.23 % |
| MongoDB Inc | 44,795 | 14.7M $ | 0.23 % |
| Coca-Cola Europacific Partners PLC | 133,098 | 14.7M $ | 0.23 % |
| Roku Inc | 146,036 | 14.4M $ | 0.23 % |
| Birkenstock Holding Plc | 340,814 | 14.2M $ | 0.22 % |
| Illumina Inc | 104,899 | 14.1M $ | 0.22 % |
| LKQ Corp | 413,485 | 13.7M $ | 0.22 % |
| Performance Food Group Co | 136,219 | 13.2M $ | 0.21 % |
| Raymond James Financial Inc | 85,911 | 13.2M $ | 0.21 % |
| Crane Co | 65,172 | 13.1M $ | 0.21 % |
| ICON PLC | 120,521 | 13M $ | 0.20 % |
| Take-Two Interactive Software Inc | 60,923 | 12.9M $ | 0.20 % |
| Block Inc | 201,996 | 12.9M $ | 0.20 % |
| AbbVie Inc | 54,962 | 12.8M $ | 0.20 % |
| Avery Dennison Corp | 63,992 | 12.6M $ | 0.20 % |
| Humana Inc | 65,555 | 12.5M $ | 0.20 % |
| Evergy Inc | 149,201 | 12.5M $ | 0.20 % |
| EQT Corp | 197,379 | 12.1M $ | 0.19 % |
| Allegion plc | 72,305 | 11.7M $ | 0.18 % |
| Prosperity Bancshares Inc | 164,981 | 11.6M $ | 0.18 % |
| Dutch Bros Inc | 214,275 | 11.5M $ | 0.18 % |
| Fidelity National Information Services Inc | 223,829 | 11.4M $ | 0.18 % |
| Smurfit Westrock PLC | 237,982 | 11.2M $ | 0.18 % |
| Permian Resources Corp | 610,918 | 11.2M $ | 0.18 % |
| TechnipFMC PLC | 166,956 | 11.1M $ | 0.17 % |
| Coherent Corp | 42,563 | 11M $ | 0.17 % |
| Assurant Inc | 47,722 | 11M $ | 0.17 % |
| Valero Energy Corp | 52,250 | 10.7M $ | 0.17 % |
| TPG Inc | 233,891 | 10.2M $ | 0.16 % |
| Everest Group Ltd | 29,613 | 9.9M $ | 0.16 % |
| Selective Insurance Group Inc | 117,310 | 9.9M $ | 0.15 % |
| Columbia Banking System Inc | 344,576 | 9.8M $ | 0.15 % |
| Tyson Foods Inc | 147,958 | 9.6M $ | 0.15 % |
| Lumexa Imaging Holdings Inc | 660,509 | 9.3M $ | 0.15 % |
| Live Nation Entertainment Inc | 56,522 | 9.2M $ | 0.14 % |
| Phillips 66 | 58,861 | 9.1M $ | 0.14 % |
| Northern Trust Corp | 63,418 | 9.1M $ | 0.14 % |
| Zebra Technologies Corp | 40,372 | 9M $ | 0.14 % |
| Bright Horizons Family Solutions Inc | 119,827 | 8.9M $ | 0.14 % |
| Amer Sports Inc | 224,222 | 8.5M $ | 0.13 % |
| Highwoods Properties Inc | 377,112 | 8.5M $ | 0.13 % |
| Lincoln National Corp | 235,839 | 8.1M $ | 0.13 % |
| Omnicom Group Inc | 91,439 | 7.8M $ | 0.12 % |
| JFrog Ltd | 190,200 | 7.6M $ | 0.12 % |
| Rexford Industrial Realty Inc | 197,327 | 7.4M $ | 0.12 % |
| Smartstop Self Storage REIT Inc | 212,876 | 7.1M $ | 0.11 % |
| StandardAero Inc | 228,825 | 7M $ | 0.11 % |
| Celsius Holdings Inc | 129,588 | 6.9M $ | 0.11 % |
| First Solar Inc | 33,817 | 6.7M $ | 0.10 % |
| Grand Canyon Education Inc | 36,359 | 5.8M $ | 0.09 % |
| DraftKings Inc | 192,877 | 4.6M $ | 0.07 % |
| Columbia Sportswear Co | 69,067 | 4.3M $ | 0.07 % |
| Wolverine World Wide Inc | 204,392 | 3.6M $ | 0.06 % |
| Waystar Holding Corp | 132,459 | 3.4M $ | 0.05 % |
| Phoenix Education Partners Inc | 106,390 | 3.1M $ | 0.05 % |
| Brunswick Corp/DE | 35,558 | 2.8M $ | 0.04 % |
| Bullish | 43,181 | 1.4M $ | 0.02 % |