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, 100.0 %
- Positions
- 116 in 9 countries
- Top ten
- 21.3 % of net assets
- Filed on
- May 31, 2026
Portfolio shape
Positions
| Rank | Company | Shares | Value | Weight |
|---|---|---|---|---|
| 1 | MFS Institutional Money Market Portfolio | 85,367,303 | 85.4M $ | 3.99 % |
| 2 | Advanced Energy Industries Inc | 166,070 | 50.2M $ | 2.34 % |
| 3 | Littelfuse Inc | 100,461 | 46.9M $ | 2.19 % |
| 4 | TTM Technologies Inc | 245,417 | 42.6M $ | 1.99 % |
| 5 | ELEMENT SOLUTIONS INC | 973,308 | 41.3M $ | 1.93 % |
| 6 | Ligand Pharmaceuticals Inc | 175,886 | 40.8M $ | 1.91 % |
| 7 | CACI International Inc | 78,098 | 40.1M $ | 1.87 % |
| 8 | LEONARDO DRS INC | 774,855 | 37.8M $ | 1.76 % |
| 9 | Bloom Energy Corp | 125,732 | 35.8M $ | 1.67 % |
| 10 | Bio-Techne Corp | 677,854 | 35M $ | 1.64 % |
| 11 | Charles River Laboratories International Inc | 185,265 | 33.5M $ | 1.56 % |
| 12 | Chefs' Warehouse Inc/The | 427,455 | 32.7M $ | 1.53 % |
| 13 | FormFactor Inc | 258,502 | 32.2M $ | 1.50 % |
| 14 | QXO Inc | 1,764,764 | 30.4M $ | 1.42 % |
| 15 | Integer Holdings Corp | 332,845 | 29.7M $ | 1.39 % |
| 16 | Legence Corp | 355,258 | 29.7M $ | 1.39 % |
| 17 | Primoris Services Corp | 235,887 | 29.7M $ | 1.39 % |
| 18 | Finning International Inc | 379,063 | 28.6M $ | 1.34 % |
| 19 | Modine Manufacturing Co | 102,578 | 28.6M $ | 1.34 % |
| 20 | Donaldson Co Inc | 347,248 | 28.4M $ | 1.33 % |
| 21 | WAYSTAR HOLDING CORP | 1,416,610 | 28.2M $ | 1.32 % |
| 22 | Merit Medical Systems Inc | 444,414 | 28M $ | 1.31 % |
| 23 | JFrog Ltd | 334,124 | 26.6M $ | 1.24 % |
| 24 | Terreno Realty Corp | 392,928 | 25.8M $ | 1.21 % |
| 25 | GUARDANT HEALTH INC | 198,239 | 25.7M $ | 1.20 % |
| 26 | PJT Partners Inc | 165,957 | 25.4M $ | 1.18 % |
| 27 | MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC | 68,537 | 25M $ | 1.17 % |
| 28 | Flowserve Corp | 320,714 | 24.2M $ | 1.13 % |
| 29 | James Hardie Industries PLC | 1,021,281 | 23.8M $ | 1.11 % |
| 30 | IonQ Inc | 326,442 | 23.5M $ | 1.10 % |
| 31 | Timken Co/The | 175,395 | 22.4M $ | 1.05 % |
| 32 | Box Inc | 827,966 | 22.3M $ | 1.04 % |
| 33 | Ollie's Bargain Outlet Holdings Inc | 266,895 | 21.8M $ | 1.02 % |
| 34 | Simpson Manufacturing Co Inc | 114,246 | 21.7M $ | 1.01 % |
| 35 | SSR Mining Inc | 694,087 | 21.7M $ | 1.01 % |
| 36 | Digi International Inc | 319,218 | 21.3M $ | 1.00 % |
| 37 | Oceaneering International Inc | 554,753 | 21.2M $ | 0.99 % |
| 38 | nVent Electric PLC | 126,729 | 21.2M $ | 0.99 % |
| 39 | Birkenstock Holding Plc | 467,181 | 21.1M $ | 0.98 % |
| 40 | BioLife Solutions Inc | 844,897 | 21.1M $ | 0.98 % |
| 41 | TopBuild Corp | 49,995 | 20.9M $ | 0.97 % |
| 42 | IONIS PHARMACEUTICALS INC | 262,553 | 20.1M $ | 0.94 % |
| 43 | Knife River Corp | 250,790 | 19.7M $ | 0.92 % |
| 44 | Collegium Pharmaceutical Inc | 585,155 | 19.7M $ | 0.92 % |
| 45 | XPO Inc | 91,336 | 19.6M $ | 0.91 % |
| 46 | UFP Technologies Inc | 87,878 | 19.3M $ | 0.90 % |
| 47 | MYR Group Inc | 41,567 | 19.3M $ | 0.90 % |
| 48 | Semtech Corp | 124,394 | 19M $ | 0.89 % |
| 49 | Schrodinger Inc/United States | 1,213,659 | 18.4M $ | 0.86 % |
| 50 | Ascendis Pharma A/S | 81,267 | 18.2M $ | 0.85 % |
| 51 | Uranium Energy Corp | 1,271,315 | 17.5M $ | 0.82 % |
| 52 | WisdomTree Inc | 916,031 | 17.5M $ | 0.81 % |
| 53 | Brunswick Corp/DE | 201,916 | 16.9M $ | 0.79 % |
| 54 | Visteon Corp | 139,242 | 16.5M $ | 0.77 % |
| 55 | Iridium Communications Inc | 310,763 | 16.1M $ | 0.75 % |
| 56 | nLight Inc | 213,255 | 15.8M $ | 0.74 % |
| 57 | Dutch Bros Inc | 271,758 | 15.8M $ | 0.74 % |
| 58 | CYTOKINETICS INC | 202,120 | 15.5M $ | 0.72 % |
| 59 | CCC Intelligent Solutions Holdings Inc | 3,278,853 | 15.4M $ | 0.72 % |
| 60 | Corsair Gaming Inc | 1,261,615 | 15.3M $ | 0.72 % |
| 61 | Lincoln International Inc | 670,570 | 15.3M $ | 0.71 % |
| 62 | GFL Environmental Inc | 454,930 | 15.3M $ | 0.71 % |
| 63 | Columbia Sportswear Co | 224,920 | 14.9M $ | 0.70 % |
| 64 | INSTALLED BUILDING PRODUCTS INC | 70,652 | 14.8M $ | 0.69 % |
| 65 | Knight-Swift Transportation Holdings Inc | 191,409 | 14.5M $ | 0.68 % |
| 66 | KINIKSA PHARMACEUTICALS INTERNATIONAL PLC | 298,137 | 14.4M $ | 0.67 % |
| 67 | Antero Resources Corp | 380,755 | 13.6M $ | 0.64 % |
| 68 | HAWKEYE 360 INC | 395,435 | 13.1M $ | 0.61 % |
| 69 | Globus Medical Inc | 158,271 | 13M $ | 0.61 % |
| 70 | Patrick Industries Inc | 142,294 | 12.9M $ | 0.60 % |
| 71 | COGENT BIOSCIENCES INC | 366,818 | 12.8M $ | 0.60 % |
| 72 | Benchmark Electronics Inc | 151,309 | 12.8M $ | 0.60 % |
| 73 | Azenta Inc | 556,939 | 12.7M $ | 0.60 % |
| 74 | IRhythm Holdings Inc | 110,994 | 12.6M $ | 0.59 % |
| 75 | Adaptive Biotechnologies Corp | 786,166 | 11.9M $ | 0.56 % |
| 76 | Miami International Holdings Inc | 249,676 | 11.8M $ | 0.55 % |
| 77 | Advanced Drainage Systems Inc | 83,668 | 11.6M $ | 0.54 % |
| 78 | Blackstone Digital Infrastructure Trust Inc | 530,746 | 11.5M $ | 0.54 % |
| 79 | LEGEND BIOTECH CORP | 421,581 | 11.5M $ | 0.53 % |
| 80 | US Foods Holding Corp | 139,808 | 11.4M $ | 0.53 % |
| 81 | Covista Inc | 95,560 | 11.3M $ | 0.53 % |
| 82 | Matador Resources Co | 204,291 | 10.9M $ | 0.51 % |
| 83 | VERADERMICS INC | 108,307 | 10.9M $ | 0.51 % |
| 84 | KYMERA THERAPEUTICS INC | 133,236 | 10.8M $ | 0.51 % |
| 85 | Neurocrine Biosciences Inc | 68,514 | 10.8M $ | 0.51 % |
| 86 | TECHNIPFMC PLC | 158,355 | 10.8M $ | 0.51 % |
| 87 | Mirion Technologies Inc | 577,405 | 10.6M $ | 0.49 % |
| 88 | Arxis Inc | 228,896 | 10.3M $ | 0.48 % |
| 89 | StandardAero Inc | 345,690 | 9.9M $ | 0.46 % |
| 90 | Amprius Technologies Inc | 484,851 | 9.8M $ | 0.46 % |
| 91 | NPK International Inc | 671,078 | 9.7M $ | 0.46 % |
| 92 | Aevex Corp | 246,504 | 9.5M $ | 0.44 % |
| 93 | AtriCure Inc | 341,866 | 9.5M $ | 0.44 % |
| 94 | HeartFlow Inc | 301,955 | 9.4M $ | 0.44 % |
| 95 | Immunocore Holdings PLC | 304,295 | 8.8M $ | 0.41 % |
| 96 | Sportradar Group AG | 657,847 | 8.7M $ | 0.41 % |
| 97 | Pulse Biosciences Inc | 339,453 | 8.5M $ | 0.40 % |
| 98 | DigitalOcean Holdings Inc | 52,693 | 8.2M $ | 0.38 % |
| 99 | Procept Biorobotics Corp | 311,569 | 8.2M $ | 0.38 % |
| 100 | Q2 Holdings Inc | 171,035 | 8.1M $ | 0.38 % |
Sector breakdown
- Industrials 3.6 %
- Technology 2.3 %
- Health care 0.9 %
- Consumer staples 0.5 %
- Energy 0.5 %
- Unattributed 92.1 %
Titelia assigns each company to a sector, one by one. The unassigned share stays visible, under "Unattributed".
Currency breakdown
- USD 98.7 %
- CAD 1.3 %
Each line is counted in its quoted currency, as the fund declares it.
Country breakdown
- United States 91.4 %
- Canada 3.1 %
- Israel 1.2 %
- Ireland 1.0 %
- Jersey 1.0 %
- Denmark 0.9 %
- Cayman Islands 0.5 %
- United Kingdom 0.5 %
- Switzerland 0.4 %
Shares are computed on the fund's equities only.
| Rank | Country | Lines | Value | Share |
|---|---|---|---|---|
| 1 | United States | 106 | 2B $ | 91.43 % |
| 2 | Canada | 3 | 65.6M $ | 3.06 % |
| 3 | Israel | 1 | 26.6M $ | 1.24 % |
| 4 | Ireland | 1 | 21.2M $ | 0.99 % |
| 5 | Jersey | 1 | 21.1M $ | 0.98 % |
| 6 | Denmark | 1 | 18.2M $ | 0.85 % |
| 7 | Cayman Islands | 1 | 11.5M $ | 0.53 % |
| 8 | United Kingdom | 1 | 10.8M $ | 0.51 % |
| 9 | Switzerland | 1 | 8.7M $ | 0.41 % |
Cite this page
Titelia. "Holdings of MFS New Discovery Fund". https://titelia.com/en/funds/S000000765