Firm profile

BRIGHT ROCK CAPITAL MANAGEMENT LLC

HANOVER, MACRD 152820Latest ADV March 4, 2026

Bright Rock Capital Management LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Hanover, MA. Its latest Form ADV filing, dated March 4, 2026, reports $536M in regulatory assets under management, 5 employees, 1 office, and 2 accounts.

Assets Under Management
$536M
Employees
5
Offices
1 office
Total Clients
<5
Primary office
HANOVER, MA
2036 WASHINGTON STREET, HANOVER, MA, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

3 roles identified
CCOGarth A. O'leary
CCOShauna Haglof
CIODavid B. Smith

Advisory services offered

1 types reported
Portfolio management for investment companies

Fee models offered

1 types reported
Asset based fees
Sources checked May 13, 2026

Client Coverage Demographics

Top client segmentInvestment Cos. represent 100.0% of total clients.
Top client categories% of clientsClients
1
Investment Cos.
100.0%
2

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$536Mas of March 4, 2026
Discretionary100.0%
$536M
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.

Assets under management Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Latest AUM$536M
Total Accounts2
10Y AUM Change+$266M (+98.6%)

Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees5
Clients per Employee0:1
10Y Employee Change-1 (-16.7%)

* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.