Holdings of MFS Mid Cap Growth Fund
MFS Series Trust IV · 101 declared positions · as of Feb 28, 2026
Original filing · Net assets 13.8B $ · Ten largest lines: 26.8 % of the equity sleeve
Sector breakdown
- Technology 9.7 %
- Industrials 8.5 %
- Consumer discretionary 3.7 %
- Utilities 2.1 %
- Health care 0.8 %
- Financials 0.5 %
- Unattributed 74.8 %
Sector is not declared in Form N-PORT: this is a Titelia classification, decided company by company. The unattributed share is counted as such rather than spread over the others.
Currency breakdown
- USD 98.8 %
- EUR 1.0 %
- CAD 0.1 %
- GBP 0.1 %
The currency each line is denominated in, as declared. It does not follow the country: a French company listed in the United States is declared in dollars.
Country breakdown
- US 91.2 %
- CA 2.5 %
- DK 2.2 %
- BM 1.5 %
- NL 1.0 %
- KY 0.8 %
- CH 0.5 %
- GB 0.4 %
Shares computed on the equity sleeve, the only part this site carries.
| Country | Lines | Value (USD) | Share |
|---|---|---|---|
| US | 90 | 12.5B $ | 91.22 % |
| CA | 3 | 335M $ | 2.45 % |
| DK | 1 | 298.8M $ | 2.19 % |
| BM | 1 | 208.2M $ | 1.53 % |
| NL | 1 | 132.1M $ | 0.97 % |
| KY | 2 | 106.2M $ | 0.78 % |
| CH | 1 | 66.5M $ | 0.49 % |
| GB | 2 | 52M $ | 0.38 % |
Positions
| Company | Shares | Value (USD) | Weight |
|---|---|---|---|
| Howmet Aerospace Inc | 2,302,899 | 604.6M $ | 4.38 % |
| Monolithic Power Systems Inc | 385,713 | 440.8M $ | 3.20 % |
| Take-Two Interactive Software Inc | 1,886,157 | 398.9M $ | 2.89 % |
| Quanta Services Inc | 667,580 | 375.9M $ | 2.73 % |
| Live Nation Entertainment Inc | 2,156,753 | 349.7M $ | 2.54 % |
| TKO Group Holdings Inc | 1,430,847 | 320.3M $ | 2.32 % |
| Ascendis Pharma A/S | 1,279,738 | 298.8M $ | 2.17 % |
| Natera Inc | 1,417,224 | 294.8M $ | 2.14 % |
| Masimo Corp | 1,643,450 | 288.2M $ | 2.09 % |
| Vistra Corp | 1,615,099 | 280.8M $ | 2.04 % |
| Cheniere Energy Inc | 1,165,873 | 274.8M $ | 1.99 % |
| LPL Financial Holdings Inc | 897,884 | 269.7M $ | 1.96 % |
| Axon Enterprise Inc | 479,513 | 260.1M $ | 1.89 % |
| Burlington Stores Inc | 792,368 | 243.2M $ | 1.76 % |
| CBRE Group Inc | 1,607,075 | 237.3M $ | 1.72 % |
| Wingstop Inc | 909,649 | 236.1M $ | 1.71 % |
| Nasdaq Inc | 2,611,865 | 228.7M $ | 1.66 % |
| Vulcan Materials Co | 729,132 | 226M $ | 1.64 % |
| ROBLOX Corp | 3,188,993 | 219M $ | 1.59 % |
| Viking Holdings Ltd | 2,668,781 | 208.2M $ | 1.51 % |
| Cameco Corp | 1,700,149 | 201.3M $ | 1.46 % |
| Hyatt Hotels Corp | 1,217,409 | 196.6M $ | 1.43 % |
| Carlyle Group Inc/The | 3,660,200 | 190.3M $ | 1.38 % |
| Carvana Co | 567,500 | 189.6M $ | 1.38 % |
| O'Reilly Automotive Inc | 1,985,830 | 186.4M $ | 1.35 % |
| Cloudflare Inc | 1,031,626 | 177.6M $ | 1.29 % |
| Tapestry Inc | 1,111,670 | 172.8M $ | 1.25 % |
| Agilent Technologies Inc | 1,411,097 | 171.3M $ | 1.24 % |
| Curtiss-Wright Corp | 243,543 | 170.6M $ | 1.24 % |
| STERIS PLC | 660,880 | 166.8M $ | 1.21 % |
| Trimble Inc | 2,398,115 | 160.4M $ | 1.16 % |
| EMCOR Group Inc | 219,309 | 158.9M $ | 1.15 % |
| BWX Technologies Inc | 688,050 | 141.7M $ | 1.03 % |
| Coherent Corp | 537,551 | 139.2M $ | 1.01 % |
| Hexcel Corp | 1,490,033 | 138.1M $ | 1.00 % |
| Carnival Corp | 4,363,355 | 137.7M $ | 1.00 % |
| Vertiv Holdings Co | 521,169 | 132.8M $ | 0.96 % |
| ASM International NV | 156,566 | 132.1M $ | 0.96 % |
| Expand Energy Corp | 1,211,028 | 130.7M $ | 0.95 % |
| Royal Caribbean Cruises Ltd | 415,180 | 129.1M $ | 0.94 % |
| Guidewire Software Inc | 875,525 | 127.2M $ | 0.92 % |
| Ciena Corp | 352,236 | 122.8M $ | 0.89 % |
| Hubbell Inc | 239,044 | 122.3M $ | 0.89 % |
| Okta Inc | 1,658,649 | 120.3M $ | 0.87 % |
| Waters Corp | 375,362 | 119.9M $ | 0.87 % |
| GFL Environmental Inc | 2,688,819 | 118.8M $ | 0.86 % |
| DraftKings Inc | 4,931,528 | 117.6M $ | 0.85 % |
| Cadence Design Systems Inc | 388,339 | 117M $ | 0.85 % |
| Coupang Inc | 6,128,836 | 116.9M $ | 0.85 % |
| Celsius Holdings Inc | 2,117,494 | 113.5M $ | 0.82 % |
| Repligen Corp | 866,360 | 111.5M $ | 0.81 % |
| Seagate Technology Holdings PLC | 272,280 | 111M $ | 0.81 % |
| Alnylam Pharmaceuticals Inc | 331,878 | 110.5M $ | 0.80 % |
| AMETEK Inc | 456,831 | 109.3M $ | 0.79 % |
| Datadog Inc | 966,155 | 108.2M $ | 0.78 % |
| Bio-Techne Corp | 1,802,620 | 106.4M $ | 0.77 % |
| RBC Bearings Inc | 184,426 | 106.2M $ | 0.77 % |
| Performance Food Group Co | 1,078,547 | 104.7M $ | 0.76 % |
| Aramark | 2,485,660 | 104M $ | 0.75 % |
| Jabil Inc | 387,575 | 102.7M $ | 0.74 % |
| TransUnion | 1,244,967 | 97.8M $ | 0.71 % |
| Woodward Inc | 229,686 | 88.8M $ | 0.64 % |
| Medline Inc | 1,798,467 | 85.4M $ | 0.62 % |
| Dexcom Inc | 1,068,800 | 78.5M $ | 0.57 % |
| Bio-Rad Laboratories Inc | 278,278 | 77.5M $ | 0.56 % |
| Charles River Laboratories International Inc | 430,003 | 76.8M $ | 0.56 % |
| Amer Sports Inc | 1,986,832 | 75.5M $ | 0.55 % |
| Ares Management Corp | 640,121 | 71.7M $ | 0.52 % |
| Spotify Technology SA | 130,759 | 67.3M $ | 0.49 % |
| Sportradar Group AG | 3,643,288 | 66.5M $ | 0.48 % |
| Huntington Ingalls Industries, Inc. | 145,655 | 64.7M $ | 0.47 % |
| Antero Resources Corp | 1,729,392 | 63.7M $ | 0.46 % |
| Fifth Third Bancorp | 1,279,953 | 63.3M $ | 0.46 % |
| MongoDB Inc | 189,971 | 62.4M $ | 0.45 % |
| Applied Industrial Technologies Inc | 218,765 | 61.8M $ | 0.45 % |
| Exact Sciences Corp | 569,990 | 58.9M $ | 0.43 % |
| VF Corp | 2,998,396 | 58.2M $ | 0.42 % |
| Illumina Inc | 425,484 | 57.2M $ | 0.41 % |
| Generac Holdings Inc | 251,819 | 56.8M $ | 0.41 % |
| Robinhood Markets Inc | 723,758 | 54.9M $ | 0.40 % |
| MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC | 200,132 | 49.7M $ | 0.36 % |
| Nordson Corp | 166,924 | 49M $ | 0.36 % |
| Lincoln Electric Holdings Inc | 169,727 | 48.7M $ | 0.35 % |
| Ingersoll Rand Inc | 501,575 | 47.2M $ | 0.34 % |
| Liberty Media Corp-Liberty Formula One | 511,318 | 46.8M $ | 0.34 % |
| Bloom Energy Corp | 299,276 | 46.6M $ | 0.34 % |
| Floor & Decor Holdings Inc | 627,275 | 43.3M $ | 0.31 % |
| Donaldson Co Inc | 448,234 | 41.6M $ | 0.30 % |
| Ferguson Enterprises Inc | 154,831 | 40.4M $ | 0.29 % |
| TechnipFMC PLC | 563,951 | 37.4M $ | 0.27 % |
| DT Midstream Inc | 251,796 | 35M $ | 0.25 % |
| Tractor Supply Co | 613,381 | 31.8M $ | 0.23 % |
| Grab Holdings Ltd | 7,278,929 | 30.7M $ | 0.22 % |
| TopBuild Corp | 63,348 | 28.4M $ | 0.21 % |
| Cava Group Inc | 343,033 | 28.3M $ | 0.21 % |
| Modine Manufacturing Co | 120,512 | 27.4M $ | 0.20 % |
| Ovintiv Inc | 407,676 | 20.6M $ | 0.15 % |
| BJ's Wholesale Club Holdings Inc | 154,818 | 15.3M $ | 0.11 % |
| Alamos Gold Inc | 275,236 | 14.9M $ | 0.11 % |
| Antofagasta PLC | 254,351 | 14.6M $ | 0.11 % |
| Alcoa Corp | 212,039 | 13.2M $ | 0.10 % |