# BRIGHT ROCK CAPITAL MANAGEMENT LLC

BRIGHT ROCK CAPITAL MANAGEMENT LLC of HANOVER, MA is an SEC-registered investment adviser.

## Registration

- CRD: 152820
- Type: SEC-registered investment adviser
- SEC file number: 801-71081
- Location: 2036 WASHINGTON STREET, HANOVER, MA, 02339
- Phone: 781-982-6792
- Latest filing: 2026-03-04
- Regulatory AUM: $536.0M
- Discretionary AUM: $536.0M
- Clients: 5
- Accounts: 2

## Business model

- Compensation: % of AUM

## Officers, owners & control persons (23)

| Name | Role | Location |
| --- | --- | --- |
| Butler Steven | PORTFOLIO MANAGER & DIRECTOR OF RESEARCH; SR. RESEARCH ANALYST | Playa Vista, CA |
| Douglas Steven Butler | PORTFOLIO MANAGER & DIRECTOR OF RESEARCH | — |
| David Byron Smith | CHIEF INVESTMENT OFFICER | — |
| Garth Andrew O'Leary | CHIEF COMPLIANCE OFFICER | — |
| Shauna Haglof | COMPLIANCE OFFICER | Hanover, MA |
| Luca Pirondini | RESEARCH ANALYST AND TRADER | — |
| FENG CHENYANG FRANK | RESEARCH ASSOCIATE | — |
| MADDOCK TODD H | CHIEF COMPLIANCE OFFICER | — |
| SMITH DAVID BYRON | CHIEF INVESTMENT OFFICER | — |
| MADDOCK TODD HOUSTON | CHIEF COMPLIANCE OFFICER | — |
| NORTON ALAN EDWARD | PORTFOLIO MANAGER | — |
| MEHLMAN HENRY EDWIN | PORTFOLIO MANAGER | — |
| MCKEIGUE PATRICK JOSEPH | RESEARCH ANALYST | — |
| LILLY JASON ROBERT | PORTFOLIO MANAGER | — |
| O'LEARY GARTH ANDREW | AVP; CHIEF COMPLIANCE OFFICER | — |
| DEGRANDPRE DIANE R | TRADER | — |
| HILLBURN BRIAN | INVESTMENT RESEARCH ANALYST | — |
| FRANCIS BRAD | INVESTMENT RESEARCH ANALYST | — |
| RENAULD TROY | RESEARCH ASSOCIATE | — |
| DOREN MICHAEL | RESEARCH ASSOCIATE | — |
| Haglof Shauna | COMPLIANCE OFFICER | — |
| Fazzini Adam | RESEARCH & TRADING ASSOCIATE | — |
| PIRONDINI LUCA | RESEARCH ANALYST AND TRADER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/152820/brochure
- Similar advisers: https://search.stillhousedata.com/firm/152820/similar
- Related entities: https://search.stillhousedata.com/firm/152820/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/152820

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.