MBCNX Holdings — MassMutual Blue Chip Growth Fund
Data updated: 2026-08-27
MBCNX holds 86 securities. The top 10 make up 54.7% of net assets, led by NVIDIA (14.32%) and Alphabet (7.96%). Information Technology (41.2%) and Communication Services (20.2%) are the largest sectors, and 94.2% of the portfolio is in United States. Debt holdings: 2 positions, 0.1% of assets.
Holdings cover 99.95% of net asset value (99.86% of total assets; remainder is cash and receivables). As of June 30, 2026 · N-PORT.
MBCNX Portfolio Holdings
86 holdings of MassMutual Blue Chip Growth Fund by percentage of net assets, from the fund's SEC N-PORT filing as of June 30, 2026.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| NVIDIA Corp | NVDA | Information Technology | 14.32% | $268.48M |
| Alphabet Inc | GOOGL | Communication Services | 7.96% | $149.17M |
| Tesla Inc | TSLA | Consumer Discretionary | 5.03% | $94.25M |
| Meta Platforms Inc | META | Communication Services | 4.75% | $89.09M |
| Amazon.com Inc | AMZN | Consumer Discretionary | 4.60% | $86.14M |
| Microsoft Corp | MSFT | Information Technology | 4.43% | $83.12M |
| Alphabet Inc | GOOG | Communication Services | 3.63% | $68.03M |
| Visa Inc | V | Financials | 3.49% | $65.37M |
| Applied Materials Inc | AMAT | Information Technology | 3.26% | $61.03M |
| Broadcom Inc | AVGO | Information Technology | 3.23% | $60.55M |
| Lam Research Corp | LRCX | Information Technology | 3.16% | $59.32M |
| Netflix Inc | NFLX | Communication Services | 2.65% | $49.65M |
| Apple Inc | AAPL | Information Technology | 2.59% | $48.46M |
| Boeing Co/The | BA | Industrials | 2.05% | $38.40M |
| Oracle Corp | ORCL | Information Technology | 2.04% | $38.16M |
| Carvana Co | CVNA | Consumer Discretionary | 1.86% | $34.82M |
| Eli Lilly & Co | LLY | Health Care | 1.84% | $34.40M |
| Monster Beverage Corp | MNST | Consumer Staples | 1.58% | $29.55M |
| Shopify Inc | SHOP | Information Technology | 1.40% | $26.27M |
| Vertex Pharmaceuticals Inc | VRTX | Health Care | 1.31% | $24.50M |
| Advanced Micro Devices Inc | AMD | Information Technology | 1.25% | $23.48M |
| General Electric Co | GE | Industrials | 1.12% | $21.00M |
| Mastercard Inc | MA | Financials | 1.00% | $18.81M |
| Intuitive Surgical Inc | ISRG | Health Care | 0.97% | $18.19M |
| ASML Holding NV | — | Information Technology | 0.94% | $17.58M |
| Fixed, Inc. Clearing Corp.repo | — | Unknown | 0.93% | $17.44M |
| Walt Disney Co/The | DIS | Communication Services | 0.89% | $16.62M |
| Autodesk Inc | ADSK | Information Technology | 0.80% | $14.98M |
| Regeneron Pharmaceuticals Inc | REGN | Health Care | 0.78% | $14.55M |
| Thermo Fisher Scientific Inc | TMO | Health Care | 0.74% | $13.82M |
| Novo Nordisk A/S | NVO | Health Care | 0.64% | $11.94M |
| GE Vernova Inc | GEV | Industrials | 0.64% | $11.91M |
| Salesforce Inc | CRM | Information Technology | 0.63% | $11.81M |
| Starbucks Corp | SBUX | Consumer Discretionary | 0.62% | $11.71M |
| Expeditors International of Washington Inc | EXPD | Industrials | 0.59% | $11.07M |
| Novartis AG | NVS | Health Care | 0.57% | $10.65M |
| Chubb Ltd | CB | Financials | 0.56% | $10.51M |
| Taiwan Semiconductor Manufacturing Co Ltd | TSM | Information Technology | 0.55% | $10.32M |
| Deere & Co | DE | Industrials | 0.55% | $10.30M |
| Booking Holdings Inc | BKNG | Consumer Discretionary | 0.53% | $9.86M |
| Caterpillar Inc | CAT | Industrials | 0.49% | $9.18M |
| SEI Investments Co | SEIC | Financials | 0.48% | $8.95M |
| Monolithic Power Systems Inc | MPWR | Information Technology | 0.43% | $8.00M |
| Roche Holding AG | — | Health Care | 0.42% | $7.94M |
| Yum! Brands Inc | YUM | Consumer Discretionary | 0.40% | $7.52M |
| Crowdstrike Holdings Inc | CRWD | Information Technology | 0.36% | $6.75M |
| Block Inc | XYZ | Financials | 0.35% | $6.57M |
| T-Mobile US Inc | TMUS | Communication Services | 0.33% | $6.27M |
| UnitedHealth Group Inc | UNH | Health Care | 0.33% | $6.10M |
| Morgan Stanley | MS | Financials | 0.30% | $5.66M |
| Ross Stores Inc | ROST | Consumer Discretionary | 0.29% | $5.47M |
| ServiceNow Inc | NOW | Information Technology | 0.29% | $5.37M |
| TJX Cos Inc/The | TJX | Consumer Discretionary | 0.25% | $4.73M |
| Danaher Corp | DHR | Health Care | 0.24% | $4.43M |
| TE Connectivity PLC | TEL | Information Technology | 0.24% | $4.41M |
| Sea Ltd | SE | Industrials | 0.23% | $4.34M |
| Texas Instruments Inc | TXN | Information Technology | 0.23% | $4.26M |
| FactSet Research Systems Inc | FDS | Information Technology | 0.22% | $4.12M |
| Illumina Inc | ILMN | Health Care | 0.22% | $4.11M |
| NIKE Inc | NKE | Consumer Discretionary | 0.21% | $3.99M |
| Goldman Sachs Group Inc/The | GS | Financials | 0.21% | $3.97M |
| Marsh & McLennan Cos Inc | MRSH | Financials | 0.21% | $3.96M |
| Constellation Energy Corp | CEG | Utilities | 0.21% | $3.89M |
| Linde PLC | LIN | Materials | 0.20% | $3.76M |
| DoorDash Inc | DASH | Consumer Discretionary | 0.20% | $3.67M |
| Space Exploration Technologies Corp | SPCX | Industrials | 0.19% | $3.65M |
| Workday Inc | WDAY | Information Technology | 0.18% | $3.31M |
| Datadog Inc | DDOG | Information Technology | 0.17% | $3.11M |
| TransDigm Group Inc | TDG | Industrials | 0.16% | $3.05M |
| Roper Technologies Inc | ROP | Information Technology | 0.16% | $2.98M |
| Charles Schwab Corp/The | SCHW | Financials | 0.16% | $2.91M |
| Old Dominion Freight Line Inc | ODFL | Industrials | 0.15% | $2.74M |
| Synopsys Inc | SNPS | Information Technology | 0.14% | $2.65M |
| HEICO Corp | HEI | Industrials | 0.14% | $2.56M |
| Stryker Corp | SYK | Health Care | 0.12% | $2.24M |
| Palantir Technologies Inc | PLTR | Information Technology | 0.11% | $2.10M |
| Cintas Corp | CTAS | Industrials | 0.10% | $1.97M |
| Micron Technology Inc | MU | Information Technology | 0.09% | $1.77M |
| Carvana Co | — | Corporate Bonds | 0.08% | $1.56M |
| Moody's Corp | MCO | Financials | 0.07% | $1.33M |
| Carvana Co | — | Corporate Bonds | 0.06% | $1.09M |
| Medline Inc | MDLN | Health Care | 0.06% | $1.09M |
| Yum China Holdings Inc | YUMC | Consumer Discretionary | 0.03% | $652.78K |
| T. Rowe Price Government Reserve Fund | — | Funds & ETFs | 0.00% | $3 |
| T. Rowe Price Government Reserve Fund | — | Funds & ETFs | 0.00% | $94 |
| T. Rowe Price Government Reserve Fund | — | Funds & ETFs | 0.00% | $4 |
MBCNX Sector Allocation
MassMutual Blue Chip Growth Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Information Technology | 41.2% | 25 |
| Communication Services | 20.2% | 6 |
| Consumer Discretionary | 14.0% | 11 |
| Health Care | 8.2% | 13 |
| Financials | 6.8% | 10 |
| Industrials | 6.4% | 12 |
| Consumer Staples | 1.6% | 1 |
| Utilities | 0.2% | 1 |
| Materials | 0.2% | 1 |
| Corporate Bonds | 0.1% | 2 |
| Funds & ETFs | 0.0% | 3 |
| Unknown | 0.9% | 1 |
MBCNX Country Allocation
Where MassMutual Blue Chip Growth Fund's holdings are domiciled, by percentage of net assets (largest 8).
| Country | % of net assets |
|---|---|
| United States | 94.2% |
| Switzerland | 1.6% |
| Canada | 1.4% |
| Netherlands | 0.9% |
| Denmark | 0.6% |
| Taiwan | 0.6% |
| Ireland | 0.4% |
| Cayman Islands | 0.2% |
MBCNX Portfolio Allocation
Asset-class allocation of MassMutual Blue Chip Growth Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 98.9% |
| Cash & Equivalents | 0.9% |
| Fixed Income | 0.1% |
MBCNX Debt Constituents
Largest debt holdings of MassMutual Blue Chip Growth Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Carvana Co. | 0.08% |
| Carvana Co. | 0.06% |
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.