Holdings of MFS New Discovery Fund
ISIN US55273H3460
MFS SERIES TRUST I · Original filing · Compare with another fund · Report an error
- Net assets
- 2.1B $ including 2.1B $ in equities, 99.9 %
- Positions
- 106 in 10 countries
- Top ten
- 23.0 % of net assets
- Filed on
- Feb 28, 2026
Portfolio shape
Positions
| Rank | Company | Shares | Value | Weight |
|---|---|---|---|---|
| 1 | MFS Institutional Money Market Portfolio | 103,182,629 | 103.2M $ | 4.93 % |
| 2 | Advanced Energy Industries Inc | 181,264 | 60.8M $ | 2.90 % |
| 3 | Ligand Pharmaceuticals Inc | 240,630 | 47.7M $ | 2.28 % |
| 4 | QXO Inc | 1,949,869 | 46.7M $ | 2.23 % |
| 5 | Modine Manufacturing Co | 177,424 | 40.3M $ | 1.93 % |
| 6 | nVent Electric PLC | 331,297 | 39.2M $ | 1.87 % |
| 7 | MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC | 156,382 | 38.8M $ | 1.85 % |
| 8 | Bio-Techne Corp | 644,777 | 38M $ | 1.82 % |
| 9 | Littelfuse Inc | 96,522 | 34M $ | 1.62 % |
| 10 | Flowserve Corp | 364,538 | 32.3M $ | 1.54 % |
| 11 | nLight Inc | 568,016 | 31.9M $ | 1.52 % |
| 12 | Chefs' Warehouse Inc/The | 439,908 | 31.4M $ | 1.50 % |
| 13 | Legence Corp | 534,017 | 31M $ | 1.48 % |
| 14 | JFrog Ltd | 770,563 | 30.9M $ | 1.48 % |
| 15 | Crane Co | 154,058 | 30.9M $ | 1.48 % |
| 16 | XPO Inc | 146,513 | 30.8M $ | 1.47 % |
| 17 | Primoris Services Corp | 204,248 | 30.8M $ | 1.47 % |
| 18 | TopBuild Corp | 67,955 | 30.5M $ | 1.45 % |
| 19 | Integer Holdings Corp | 332,845 | 28.9M $ | 1.38 % |
| 20 | CACI International Inc | 46,719 | 28.5M $ | 1.36 % |
| 21 | Terreno Realty Corp | 431,089 | 28.5M $ | 1.36 % |
| 22 | FormFactor Inc | 287,238 | 28.4M $ | 1.36 % |
| 23 | Knife River Corp | 318,820 | 28.4M $ | 1.35 % |
| 24 | Leonardo DRS Inc | 650,719 | 28.2M $ | 1.35 % |
| 25 | TTM Technologies Inc | 264,840 | 27.6M $ | 1.32 % |
| 26 | Charles River Laboratories International Inc | 151,776 | 27.1M $ | 1.29 % |
| 27 | Hamilton Lane Inc | 256,114 | 26.9M $ | 1.28 % |
| 28 | Bloom Energy Corp | 162,058 | 25.2M $ | 1.20 % |
| 29 | James Hardie Industries PLC | 1,021,281 | 24.9M $ | 1.19 % |
| 30 | Ionis Pharmaceuticals Inc | 306,440 | 24.9M $ | 1.19 % |
| 31 | Patrick Industries Inc | 194,539 | 24.1M $ | 1.15 % |
| 32 | Waystar Holding Corp | 929,763 | 23.8M $ | 1.14 % |
| 33 | Schrodinger Inc/United States | 1,939,973 | 23.4M $ | 1.12 % |
| 34 | Element Solutions Inc | 657,797 | 23.1M $ | 1.10 % |
| 35 | TechnipFMC PLC | 343,557 | 22.8M $ | 1.09 % |
| 36 | Ollie's Bargain Outlet Holdings Inc | 212,183 | 22.7M $ | 1.09 % |
| 37 | PJT Partners Inc | 152,073 | 22.5M $ | 1.07 % |
| 38 | Collegium Pharmaceutical Inc | 538,945 | 22.5M $ | 1.07 % |
| 39 | Simpson Manufacturing Co Inc | 114,246 | 22.1M $ | 1.06 % |
| 40 | Brunswick Corp/DE | 275,821 | 22M $ | 1.05 % |
| 41 | StandardAero Inc | 643,999 | 19.8M $ | 0.95 % |
| 42 | Ascendis Pharma A/S | 81,267 | 19M $ | 0.91 % |
| 43 | WisdomTree Inc | 1,103,339 | 18.9M $ | 0.90 % |
| 44 | Globus Medical Inc | 191,893 | 18.3M $ | 0.87 % |
| 45 | Alkami Technology Inc | 1,098,764 | 18.2M $ | 0.87 % |
| 46 | Genius Sports Ltd | 2,900,461 | 18M $ | 0.86 % |
| 47 | Birkenstock Holding Plc | 427,501 | 17.8M $ | 0.85 % |
| 48 | CCC Intelligent Solutions Holdings Inc | 3,046,362 | 17.8M $ | 0.85 % |
| 49 | Amprius Technologies Inc | 1,622,119 | 17.4M $ | 0.83 % |
| 50 | Dutch Bros Inc | 320,169 | 17.2M $ | 0.82 % |
| 51 | GeneDx Holdings Corp | 214,387 | 17.1M $ | 0.82 % |
| 52 | Azenta Inc | 632,605 | 17.1M $ | 0.82 % |
| 53 | UFP Technologies Inc | 80,938 | 17M $ | 0.81 % |
| 54 | BioLife Solutions Inc | 703,004 | 17M $ | 0.81 % |
| 55 | Matador Resources Co | 320,544 | 16.5M $ | 0.79 % |
| 56 | Antero Resources Corp | 446,841 | 16.4M $ | 0.79 % |
| 57 | Viper Energy Inc | 352,929 | 16.4M $ | 0.78 % |
| 58 | Guardant Health Inc | 172,243 | 16.2M $ | 0.77 % |
| 59 | Box Inc | 674,738 | 15.9M $ | 0.76 % |
| 60 | IRhythm Holdings Inc | 110,994 | 14.8M $ | 0.71 % |
| 61 | AtriCure Inc | 474,774 | 14.8M $ | 0.71 % |
| 62 | Sportradar Group AG | 808,772 | 14.8M $ | 0.71 % |
| 63 | Kymera Therapeutics Inc | 161,340 | 14.7M $ | 0.70 % |
| 64 | Align Technology Inc | 77,293 | 14.7M $ | 0.70 % |
| 65 | Q2 Holdings Inc | 299,101 | 14.4M $ | 0.69 % |
| 66 | Advanced Drainage Systems Inc | 83,668 | 14.3M $ | 0.68 % |
| 67 | Knight-Swift Transportation Holdings Inc | 227,695 | 14.3M $ | 0.68 % |
| 68 | Uranium Energy Corp | 928,001 | 14.2M $ | 0.68 % |
| 69 | Netskope Inc | 1,314,788 | 14.2M $ | 0.68 % |
| 70 | Columbia Sportswear Co | 224,920 | 13.9M $ | 0.67 % |
| 71 | US Foods Holding Corp | 139,808 | 13.5M $ | 0.65 % |
| 72 | Permian Resources Corp | 735,469 | 13.5M $ | 0.64 % |
| 73 | Kiniksa Pharmaceuticals International Plc | 298,137 | 13.3M $ | 0.63 % |
| 74 | GFL Environmental Inc | 292,137 | 12.9M $ | 0.62 % |
| 75 | Visteon Corp | 132,237 | 12.7M $ | 0.60 % |
| 76 | Cytokinetics Inc | 202,120 | 12.6M $ | 0.60 % |
| 77 | GCM Grosvenor Inc | 1,080,452 | 12.5M $ | 0.60 % |
| 78 | Mirion Technologies Inc | 577,405 | 12.5M $ | 0.60 % |
| 79 | Cogent Biosciences Inc | 310,908 | 12.1M $ | 0.58 % |
| 80 | Covista Inc | 122,109 | 12M $ | 0.57 % |
| 81 | Karman Holdings Inc | 133,200 | 11.7M $ | 0.56 % |
| 82 | Once Upon a Farm PBC | 484,593 | 11.2M $ | 0.54 % |
| 83 | Black Rock Coffee Bar Inc | 810,663 | 10.8M $ | 0.52 % |
| 84 | Independence Realty Trust Inc | 639,578 | 10.6M $ | 0.51 % |
| 85 | Adaptive Biotechnologies Corp | 650,470 | 10.4M $ | 0.50 % |
| 86 | Pegasystems Inc | 232,383 | 10.2M $ | 0.49 % |
| 87 | Immunocore Holdings PLC | 304,295 | 9.8M $ | 0.47 % |
| 88 | Corsair Gaming Inc | 1,683,987 | 9.2M $ | 0.44 % |
| 89 | Wix.com Ltd | 128,798 | 9.1M $ | 0.43 % |
| 90 | Neurocrine Biosciences Inc | 68,514 | 9.1M $ | 0.43 % |
| 91 | Miami International Holdings Inc | 201,637 | 8.6M $ | 0.41 % |
| 92 | LEGEND BIOTECH CORP | 421,581 | 8M $ | 0.38 % |
| 93 | StepStone Group Inc | 183,841 | 7.9M $ | 0.38 % |
| 94 | Ceribell Inc | 376,698 | 7M $ | 0.34 % |
| 95 | York Space Systems Inc | 254,216 | 6.5M $ | 0.31 % |
| 96 | CG oncology Inc | 100,229 | 5.9M $ | 0.28 % |
| 97 | Harmony Biosciences Holdings Inc | 180,966 | 5.2M $ | 0.25 % |
| 98 | Bitgo Holdings Inc | 487,596 | 4.8M $ | 0.23 % |
| 99 | Tempus AI Inc | 86,778 | 4.6M $ | 0.22 % |
| 100 | PROCEPT BIOROBOTICS CORP | 194,059 | 4.4M $ | 0.21 % |
Sector breakdown
- Industrials 4.1 %
- Technology 2.9 %
- Energy 1.7 %
- Health care 1.2 %
- Consumer staples 0.6 %
- Unattributed 89.4 %
Titelia classification, company by company. The unattributed share stays visible.
Currency breakdown
- USD 100.0 %
The quoted currency of each line, as declared.
Country breakdown
- United States 92.3 %
- Ireland 1.9 %
- United Kingdom 1.1 %
- Denmark 0.9 %
- Guernsey 0.9 %
- Jersey 0.9 %
- Switzerland 0.7 %
- Canada 0.6 %
- Israel 0.4 %
- Cayman Islands 0.4 %
Shares computed on the equity sleeve.
| Rank | Country | Lines | Value | Share |
|---|---|---|---|---|
| 1 | United States | 97 | 1.9B $ | 92.28 % |
| 2 | Ireland | 1 | 39.2M $ | 1.87 % |
| 3 | United Kingdom | 1 | 22.8M $ | 1.09 % |
| 4 | Denmark | 1 | 19M $ | 0.91 % |
| 5 | Guernsey | 1 | 18M $ | 0.86 % |
| 6 | Jersey | 1 | 17.8M $ | 0.85 % |
| 7 | Switzerland | 1 | 14.8M $ | 0.71 % |
| 8 | Canada | 1 | 12.9M $ | 0.62 % |
| 9 | Israel | 1 | 9.1M $ | 0.43 % |
| 10 | Cayman Islands | 1 | 8M $ | 0.38 % |
Cite this page
Titelia. "Holdings of MFS New Discovery Fund". https://titelia.com/en/funds/S000000765