MassMutual Mid Cap Growth Fund
Registrant
MASSMUTUAL SELECT FUNDS
Class tickers
MEFAX
MEFFX
MEFNX
MEFYX
MEFZX
MGRFX
MMELX
MMNGX
Net Assets
$2,503,937,063
Holdings
164
Latest Report
Jun 30, 2026
Net Assets Over Time
Holdings · 164
Export CSV
Portfolio coverage: 164 of
189 reported positions.
Showing 1–50
of 164 holdings by value
· page 1 of 4
| Holding | Symbol | Balance | Value | % of Fund | Side | Category | Open |
|---|---|---|---|---|---|---|---|
| Datadog Inc | DDOG | 198,711 | $51,736,396 | 2.07% | Long | EC | |
| Agilent Technologies Inc | A | 369,519 | $49,083,209 | 1.96% | Long | EC | |
| Teradyne Inc | TER | 94,860 | $45,897,062 | 1.83% | Long | EC | |
| Mettler-Toledo International Inc | MTD | 34,458 | $44,020,440 | 1.76% | Long | EC | |
| Snowflake Inc | SNOW | 161,589 | $41,124,401 | 1.64% | Long | EC | |
| Burlington Stores Inc | BURL | 126,376 | $40,035,917 | 1.60% | Long | EC | |
| Lattice Semiconductor Corp | LSCC | 258,870 | $39,596,755 | 1.58% | Long | EC | |
| Keysight Technologies Inc | KEYS | 112,462 | $39,369,572 | 1.57% | Long | EC | |
| XPO Inc | XPO | 185,734 | $38,129,333 | 1.52% | Long | EC | |
| MACOM Technology Solutions Holdings Inc | MTSI | 93,448 | $35,544,816 | 1.42% | Long | EC | |
| Cloudflare Inc | NET | 140,744 | $34,521,688 | 1.38% | Long | EC | |
| Yum! Brands Inc | YUM | 209,876 | $33,550,777 | 1.34% | Long | EC | |
| Alnylam Pharmaceuticals Inc | ALNY | 106,075 | $31,931,757 | 1.28% | Long | EC | |
| Astera Labs Inc | ALAB | 61,933 | $29,914,878 | 1.19% | Long | EC | |
| MSCI Inc | MSCI | 49,860 | $27,923,594 | 1.12% | Long | EC | |
| Reddit Inc | RDDT | 158,314 | $27,480,144 | 1.10% | Long | EC | |
| Veeva Systems Inc | VEEV | 154,701 | $27,454,786 | 1.10% | Long | EC | |
| Assurant Inc | AIZ | 100,351 | $26,947,254 | 1.08% | Long | EC | |
| Dollar Tree Inc | DLTR | 221,290 | $26,765,026 | 1.07% | Long | EC | |
| Natera Inc | NTRA | 96,267 | $26,131,677 | 1.04% | Long | EC | |
| Veralto Corp | VLTO | 289,969 | $25,714,451 | 1.03% | Long | EC | |
| PTC Inc | PTC | 225,638 | $25,634,733 | 1.02% | Long | EC | |
| US Foods Holding Corp | USFD | 247,460 | $25,302,785 | 1.01% | Long | EC | |
| West Pharmaceutical Services Inc | WST | 69,977 | $25,121,743 | 1.00% | Long | EC | |
| Ferguson Enterprises Inc | FERG | 105,347 | $25,002,004 | 1.00% | Long | EC | |
| Lumentum Holdings Inc | LITE | 28,590 | $24,531,935 | 0.98% | Long | EC | |
| Tyler Technologies Inc | TYL | 79,599 | $23,279,524 | 0.93% | Long | EC | |
| Rocket Lab Corp | RKLB | 225,899 | $22,962,633 | 0.92% | Long | EC | |
| UL Solutions Inc | ULS | 224,557 | $22,873,376 | 0.91% | Long | EC | |
| Quanta Services Inc | PWR | 31,157 | $22,434,286 | 0.90% | Long | EC | |
| Cooper Cos Inc/The | COO | 311,568 | $22,342,541 | 0.89% | Long | EC | |
| Everpure Inc | P | 278,193 | $21,918,826 | 0.88% | Long | EC | |
| Esab Corp | ESAB | 219,878 | $21,686,567 | 0.87% | Long | EC | |
| Ingersoll Rand Inc | IR | 262,104 | $21,489,907 | 0.86% | Long | EC | |
| Old Dominion Freight Line Inc | ODFL | 95,522 | $20,690,065 | 0.83% | Long | EC | |
| Microchip Technology Inc | MCHP | 225,068 | $20,526,202 | 0.82% | Long | EC | |
| Robinhood Markets Inc | HOOD | 203,969 | $20,454,011 | 0.82% | Long | EC | |
| MongoDB Inc | MDB | 60,835 | $20,434,477 | 0.82% | Long | EC | |
| New York Times Co/The | NYT | 283,955 | $19,871,171 | 0.79% | Long | EC | |
| TransUnion | TRU | 274,364 | $19,792,619 | 0.79% | Long | EC | |
| Pool Corp | POOL | 91,933 | $19,756,402 | 0.79% | Long | EC | |
| Manhattan Associates Inc | MANH | 138,724 | $19,317,317 | 0.77% | Long | EC | |
| Elanco Animal Health Inc | ELAN | 779,022 | $19,171,731 | 0.77% | Long | EC | |
| API Group Corp | APG | 439,749 | $18,623,370 | 0.74% | Long | EC | |
| Hilton Worldwide Holdings Inc | HLT | 53,305 | $17,615,170 | 0.70% | Long | EC | |
| Raymond James Financial Inc | RJF | 115,134 | $17,503,822 | 0.70% | Long | EC | |
| Domino's Pizza Inc | DPZ | 58,036 | $17,180,977 | 0.69% | Long | EC | |
| Teleflex Inc | TFX | 133,516 | $16,924,488 | 0.68% | Long | EC | |
| Ulta Beauty Inc | ULTA | 37,431 | $16,880,632 | 0.67% | Long | EC | |
| Martin Marietta Materials Inc | MLM | 29,250 | $16,868,475 | 0.67% | Long | EC |
Showing the top 50 of 164 holdings. Create a free account to see every holding and download the CSV.