MMELX Holdings — MassMutual Mid Cap Growth Fund
Data updated: 2026-08-27
MMELX holds 189 securities. The top 10 make up 17.2% of net assets, led by Datadog (2.07%) and Agilent Technologies (1.96%). Information Technology (30.3%) and Industrials (19.7%) are the largest sectors, and 89.7% of the portfolio is in United States. No debt holdings are reported.
Holdings cover 100.46% of net asset value (94.72% of total assets; remainder is cash and receivables). As of June 30, 2026 · N-PORT.
MMELX Portfolio Holdings
189 holdings of MassMutual Mid Cap Growth Fund by percentage of net assets, from the fund's SEC N-PORT filing as of June 30, 2026. The 100 largest are listed below; the interactive table on this page lists all 189.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| Datadog Inc | DDOG | Information Technology | 2.07% | $51.74M |
| Agilent Technologies Inc | A | Health Care | 1.96% | $49.08M |
| Teradyne Inc | TER | Information Technology | 1.83% | $45.90M |
| Mettler-Toledo International Inc | MTD | Health Care | 1.76% | $44.02M |
| Snowflake Inc | SNOW | Information Technology | 1.64% | $41.12M |
| Fixed, Inc. Clearing Corp.repo | — | Unknown | 1.62% | $40.57M |
| Burlington Stores Inc | BURL | Consumer Discretionary | 1.60% | $40.04M |
| Lattice Semiconductor Corp | LSCC | Information Technology | 1.58% | $39.60M |
| Keysight Technologies Inc | KEYS | Information Technology | 1.57% | $39.37M |
| XPO Inc | XPO | Industrials | 1.52% | $38.13M |
| MACOM Technology Solutions Holdings Inc | MTSI | Information Technology | 1.42% | $35.54M |
| Cloudflare Inc | NET | Information Technology | 1.38% | $34.52M |
| Yum! Brands Inc | YUM | Consumer Discretionary | 1.34% | $33.55M |
| Viking Holdings Ltd | VIK | Consumer Discretionary | 1.33% | $33.21M |
| Alnylam Pharmaceuticals Inc | ALNY | Health Care | 1.28% | $31.93M |
| Astera Labs Inc | ALAB | Information Technology | 1.19% | $29.91M |
| MSCI Inc | MSCI | Financials | 1.12% | $27.92M |
| Reddit Inc | RDDT | Information Technology | 1.10% | $27.48M |
| Veeva Systems Inc | VEEV | Health Care | 1.10% | $27.45M |
| Assurant Inc | AIZ | Financials | 1.08% | $26.95M |
| Royal Caribbean Cruises Ltd | RCL | Consumer Discretionary | 1.07% | $26.78M |
| Dollar Tree Inc | DLTR | Consumer Staples | 1.07% | $26.77M |
| Natera Inc | NTRA | Health Care | 1.04% | $26.13M |
| Veralto Corp | VLTO | Industrials | 1.03% | $25.71M |
| PTC Inc | PTC | Information Technology | 1.02% | $25.63M |
| US Foods Holding Corp | USFD | Consumer Staples | 1.01% | $25.30M |
| West Pharmaceutical Services Inc | WST | Health Care | 1.00% | $25.12M |
| Ferguson Enterprises Inc | FERG | Industrials | 1.00% | $25.00M |
| Lumentum Holdings Inc | LITE | Information Technology | 0.98% | $24.53M |
| Tyler Technologies Inc | TYL | Information Technology | 0.93% | $23.28M |
| Rocket Lab Corp | RKLB | Industrials | 0.92% | $22.96M |
| UL Solutions Inc | ULS | Industrials | 0.91% | $22.87M |
| Quanta Services Inc | PWR | Industrials | 0.90% | $22.43M |
| Cooper Cos Inc/The | COO | Health Care | 0.89% | $22.34M |
| Everpure Inc | P | Information Technology | 0.88% | $21.92M |
| Esab Corp | ESAB | Industrials | 0.87% | $21.69M |
| TechnipFMC PLC | FTI | Energy | 0.86% | $21.62M |
| Ingersoll Rand Inc | IR | Industrials | 0.86% | $21.49M |
| Old Dominion Freight Line Inc | ODFL | Industrials | 0.83% | $20.69M |
| Microchip Technology Inc | MCHP | Information Technology | 0.82% | $20.53M |
| Robinhood Markets Inc | HOOD | Financials | 0.82% | $20.45M |
| MongoDB Inc | MDB | Information Technology | 0.82% | $20.43M |
| New York Times Co/The | NYT | Communication Services | 0.79% | $19.87M |
| TransUnion | TRU | Industrials | 0.79% | $19.79M |
| Pool Corp | POOL | Industrials | 0.79% | $19.76M |
| Manhattan Associates Inc | MANH | Information Technology | 0.77% | $19.32M |
| Elanco Animal Health Inc | ELAN | Health Care | 0.77% | $19.17M |
| API Group Corp | APG | Industrials | 0.74% | $18.62M |
| Liberty Live Holdings Inc | LLYVK | Consumer Discretionary | 0.73% | $18.28M |
| FTAI Aviation Ltd | FTAI | Industrials | 0.73% | $18.26M |
| Fabrinet | FN | Information Technology | 0.70% | $17.65M |
| NXP Semiconductors NV | NXPI | Information Technology | 0.70% | $17.63M |
| Hilton Worldwide Holdings Inc | HLT | Consumer Discretionary | 0.70% | $17.62M |
| Raymond James Financial Inc | RJF | Financials | 0.70% | $17.50M |
| Domino's Pizza Inc | DPZ | Consumer Staples | 0.69% | $17.18M |
| Teleflex Inc | TFX | Health Care | 0.68% | $16.92M |
| Ulta Beauty Inc | ULTA | Consumer Discretionary | 0.67% | $16.88M |
| Martin Marietta Materials Inc | MLM | Materials | 0.67% | $16.87M |
| Textron Inc | TXT | Industrials | 0.67% | $16.81M |
| RB Global Inc | RBA | Industrials | 0.66% | $16.50M |
| Monolithic Power Systems Inc | MPWR | Information Technology | 0.65% | $16.26M |
| Cheniere Energy Inc | LNG | Energy | 0.62% | $15.45M |
| NRG Energy Inc | NRG | Utilities | 0.61% | $15.17M |
| Tradeweb Markets Inc | TW | Financials | 0.57% | $14.30M |
| Fair Isaac Corp | FICO | Information Technology | 0.57% | $14.18M |
| Zoom Communications Inc | ZM | Information Technology | 0.57% | $14.17M |
| ITT Inc | ITT | Industrials | 0.56% | $14.15M |
| Birkenstock Holding Plc | BIRK | Consumer Discretionary | 0.56% | $13.95M |
| Ascendis Pharma A/S | ASND | Health Care | 0.55% | $13.83M |
| Woodward Inc | WWD | Industrials | 0.55% | $13.70M |
| Cytokinetics Inc | CYTK | Health Care | 0.55% | $13.70M |
| DT Midstream Inc | DTM | Energy | 0.55% | $13.66M |
| TD SYNNEX Corp | SNX | Information Technology | 0.54% | $13.53M |
| Insmed Inc | INSM | Health Care | 0.54% | $13.41M |
| Dexcom Inc | DXCM | Health Care | 0.53% | $13.32M |
| Ionis Pharmaceuticals Inc | IONS | Health Care | 0.52% | $13.11M |
| Service Corp International/US | SCI | Consumer Discretionary | 0.52% | $13.09M |
| EQT Corp | EQT | Energy | 0.52% | $12.91M |
| Paylocity Holding Corp | PCTY | Information Technology | 0.51% | $12.83M |
| Akamai Technologies Inc | AKAM | Information Technology | 0.50% | $12.58M |
| Liberty Media Corp-Liberty Formula One | FWONK | Communication Services | 0.49% | $12.25M |
| Planet Fitness Inc | PLNT | Consumer Discretionary | 0.48% | $12.00M |
| Permian Resources Corp | PR | Energy | 0.47% | $11.85M |
| Wyndham Hotels & Resorts Inc | WH | Consumer Discretionary | 0.47% | $11.84M |
| Cboe Global Markets Inc | CBOE | Financials | 0.47% | $11.80M |
| RBC Bearings Inc | RBC | Industrials | 0.47% | $11.80M |
| SiTime Corp | SITM | Information Technology | 0.46% | $11.55M |
| Credo Technology Group Holding Ltd | CRDO | Information Technology | 0.45% | $11.18M |
| United Therapeutics Corp | UTHR | Health Care | 0.44% | $11.08M |
| Casey's General Stores Inc | CASY | Consumer Staples | 0.44% | $11.05M |
| Modine Manufacturing Co | MOD | Consumer Discretionary | 0.44% | $10.95M |
| Knight-Swift Transportation Holdings Inc | KNX | Industrials | 0.43% | $10.85M |
| Molina Healthcare Inc | MOH | Health Care | 0.42% | $10.48M |
| Booz Allen Hamilton Holding Corp | BAH | Industrials | 0.41% | $10.21M |
| MasTec Inc | MTZ | Industrials | 0.40% | $10.12M |
| Insulet Corp | PODD | Health Care | 0.40% | $10.07M |
| BWX Technologies Inc | BWXT | Industrials | 0.40% | $10.05M |
| State Street Navigator Securities Lending Government Money Market Portfolio | — | Funds & ETFs | 0.40% | $9.90M |
| ATI Inc | ATI | Materials | 0.37% | $9.39M |
| Builders FirstSource Inc | BLDR | Consumer Discretionary | 0.37% | $9.25M |
MMELX Sector Allocation
MassMutual Mid Cap Growth Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Information Technology | 30.3% | 50 |
| Industrials | 19.7% | 37 |
| Health Care | 17.8% | 34 |
| Consumer Discretionary | 11.9% | 20 |
| Financials | 6.1% | 15 |
| Consumer Staples | 3.7% | 6 |
| Energy | 3.3% | 6 |
| Materials | 2.2% | 6 |
| Communication Services | 1.8% | 5 |
| Utilities | 1.0% | 3 |
| Funds & ETFs | 0.4% | 4 |
| Real Estate | 0.4% | 2 |
| Unknown | 1.6% | 1 |
MMELX Country Allocation
Where MassMutual Mid Cap Growth Fund's holdings are domiciled, by percentage of net assets (largest 13).
| Country | % of net assets |
|---|---|
| United States | 89.7% |
| Cayman Islands | 1.9% |
| Canada | 1.7% |
| Bermuda | 1.3% |
| Liberia | 1.1% |
| Netherlands | 1.0% |
| United Kingdom | 0.9% |
| Ireland | 0.7% |
| Switzerland | 0.6% |
| Jersey | 0.6% |
| Denmark | 0.6% |
| Germany | 0.3% |
| Singapore | 0.2% |
MMELX Portfolio Allocation
Asset-class allocation of MassMutual Mid Cap Growth Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 98.4% |
| Cash & Equivalents | 2.0% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.