BRIGHT ROCK CAPITAL MANAGEMENT, LLC
All 13F Filings
- Location
- Hanover, MA
- Most recent 13F
- Q3 2026
- Holdings value ($000)
- 529,095
- Description
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- Website
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- Founded
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- Chairman
- —
- CEO
- —
- All SEC filings
- View on sec.gov
Sector allocation over time (stocks only)
Stacked by quarter. Hover to see detailed sector breakdown for any quarter.
| Quarter | Date Filed | Holdings | Value ($000) | Form Type | Name |
|---|---|---|---|---|---|
| Q3 2026 | 10/5/2026 | 72 | 529,095 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
| Q2 2026 | 7/8/2026 | 73 | 499,053 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
| Q1 2026 | 4/16/2026 | 75 | 505,911 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
| Q4 2025 | 1/15/2026 | 77 | 508,696 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
| Q3 2025 | 11/4/2025 | 73 | 510,210 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
| Q2 2025 | 7/10/2025 | 74 | 493,980 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
| Q2 2014 | 8/4/2014 | 79 | 213,016 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
| Q1 2014 | 5/2/2014 | 80 | 196,748 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
| Q4 2013 | 2/7/2014 | 81 | 190,252 | 13F-HR | BRIGHT ROCK CAPITAL MANAGEMENT, LLC |
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Money flow by instrument (QoQ, ex-options)
| Type | Value ($000) | Share % | Inflow | Outflow | Net |
|---|---|---|---|---|---|
| Stocks | 522.6 K | 98.8% | 29.23 K | 0 | 29.23 K |
| ETFs | 6.48 K | 1.2% | 821 | 0 | 821 |
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Fund Snapshot
Q3 2026
Latest filed
10/5/2026
Total value ($000)
529,095
Holdings
72
QoQ value change ($000)
30,042
(6.0%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology:
sector allocation is stocks-only;
instrument flow table is ex-options;
options exposure is shown separately.
Details.