Institutional Manager · CIK 0001103653
MASSMUTUAL TRUST CO FSB/ADV
Windsor, CT · File #028-15866
Latest AUM
$3.89B
Positions
2,394
Top-10 Concentration
47.7%
Filings
12
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 20252,394 pos · $3.89B
- 13F HOLDINGS REPORTQ/E Sep 20252,398 pos · $3.93B
- 13F HOLDINGS REPORTQ/E Jun 20252,375 pos · $3.75B
- 13F HOLDINGS REPORTQ/E Mar 20252,387 pos · $3.46B
- 13F HOLDINGS REPORTQ/E Dec 20242,334 pos · $3.56B
- 13F HOLDINGS REPORTQ/E Sep 20242,165 pos · $3.51B
- 13F HOLDINGS REPORTQ/E Jun 20242,159 pos · $3.30B
- 13F HOLDINGS REPORTQ/E Mar 20242,077 pos · $3.21B
- 13F HOLDINGS REPORTQ/E Dec 20231,992 pos · $2.71B
- 13F HOLDINGS REPORTQ/E Sep 20231,934 pos · $2.78B
- 13F HOLDINGS REPORTQ/E Jun 20231,861 pos · $2.62B
- 13F HOLDINGS REPORTQ/E Mar 20231,769 pos · $2.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA Corp | NVDA | 1,043,006 | $194.5M | 7.42% |
| 2 | Apple Inc | AAPL | 685,902 | $186.5M | 7.11% |
| 3 | Microsoft Corp | MSFT | 372,154 | $180.0M | 6.86% |
| 4 | Vanguard Mid-Cap ETF | 922908629 | 521,244 | $151.3M | 5.77% |
| 5 | Amazon.com Inc | AMZN | 456,399 | $105.3M | 4.02% |
| 6 | Alphabet Inc | GOOG | 323,301 | $101.2M | 3.86% |
| 7 | Vanguard FTSE Developed Markets ETF | 921943858 | 1,564,564 | $97.7M | 3.73% |
| 8 | JPMorgan Chase & Co | VYLD | 266,187 | $85.8M | 3.27% |
| 9 | Broadcom INC | AVGO | 217,183 | $75.2M | 2.87% |
| 10 | Alphabet Inc | GOOG | 232,756 | $73.0M | 2.78% |
| 11 | Meta Platforms Inc | META | 99,877 | $65.9M | 2.51% |
| 12 | iShares MSCI EAFE ETF | 464287465 | 568,058 | $54.6M | 2.08% |
| 13 | Dimensional US Small Cap ETF | 25434V500 | 760,466 | $53.0M | 2.02% |
| 14 | Visa Inc | V | 149,512 | $52.4M | 2.00% |
| 15 | iShares Core S&P Mid-Cap ETF | 464287507 | 733,330 | $48.4M | 1.85% |
| 16 | Berkshire Hathaway Inc | BRK-A | 91,623 | $46.1M | 1.76% |
| 17 | Chevron Corp | CVX | 291,326 | $44.4M | 1.69% |
| 18 | RTX Corp | RTX | 237,193 | $43.5M | 1.66% |
| 19 | Walmart Inc | WMT | 377,135 | $42.0M | 1.60% |
| 20 | Cisco Systems Inc | CSCO | 541,798 | $41.7M | 1.59% |