Institutional Manager · CIK 0001509973
BRIGHT ROCK CAPITAL MANAGEMENT, LLC
HANOVER, MA · File #028-14062
Latest AUM
$508.7M
Positions
77
Top-10 Concentration
40.1%
Filings
12
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 202577 pos · $508.7M
- 13F HOLDINGS REPORTQ/E Sep 202573 pos · $510.2M
- 13F HOLDINGS REPORTQ/E Jun 202574 pos · $494.0M
- 13F HOLDINGS REPORTQ/E Mar 202576 pos · $474.7M
- 13F HOLDINGS REPORTQ/E Dec 202471 pos · $468.9M
- 13F HOLDINGS REPORTQ/E Sep 202471 pos · $497.3M
- 13F HOLDINGS REPORTQ/E Jun 202470 pos · $474.4M
- 13F HOLDINGS REPORTQ/E Mar 202469 pos · $482.6M
- 13F HOLDINGS REPORTQ/E Dec 202372 pos · $409.4M
- 13F HOLDINGS REPORTQ/E Sep 202380 pos · $429.0M
- 13F HOLDINGS REPORTQ/E Jun 202379 pos · $400.0M
- 13F HOLDINGS REPORTQ/E Mar 202379 pos · $385,719
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ALPHABET INC | GOOG | 105,000 | $32.9M | 7.25% |
| 2 | MICROSOFT CORP | MSFT | 64,000 | $31.0M | 6.82% |
| 3 | MASTERCARD INCORPORATED | MA | 30,000 | $17.1M | 3.78% |
| 4 | THERMO FISHER SCIENTIFIC INC | TMO | 27,500 | $15.9M | 3.51% |
| 5 | APPLE INC | AAPL | 56,000 | $15.2M | 3.36% |
| 6 | MERCK & CO INC | MRK | 142,000 | $14.9M | 3.30% |
| 7 | ISHARES TR | 464287796 | 300,000 | $14.3M | 3.14% |
| 8 | TJX COS INC NEW | 872540109 | 92,500 | $14.2M | 3.13% |
| 9 | CHUBB LIMITED | CB | 45,000 | $14.0M | 3.10% |
| 10 | SCHWAB CHARLES CORP | SCHW-PJ | 125,000 | $12.5M | 2.75% |
| 11 | UNION PAC CORP | UNP | 53,500 | $12.4M | 2.73% |
| 12 | BLACKROCK INC | BLK | 10,500 | $11.2M | 2.48% |
| 13 | HONEYWELL INTL INC | 438516106 | 52,500 | $10.2M | 2.26% |
| 14 | TEXAS INSTRS INC | 882508104 | 59,000 | $10.2M | 2.26% |
| 15 | VEEVA SYS INC | VEEV | 43,000 | $9.6M | 2.12% |
| 16 | NIKE INC | NKE | 150,000 | $9.6M | 2.11% |
| 17 | ACCENTURE PLC IRELAND | ACN | 35,000 | $9.4M | 2.07% |
| 18 | PEPSICO INC | PEP | 65,000 | $9.3M | 2.06% |
| 19 | NEXTERA ENERGY INC | NEE-PW | 110,000 | $8.8M | 1.95% |
| 20 | INTUIT | INTU | 12,500 | $8.3M | 1.83% |