{
  "crd_number": 152820,
  "slug": "bright-rock-capital-management-llc-hanover-ma-152820",
  "primary_business_name": "BRIGHT ROCK CAPITAL MANAGEMENT LLC",
  "legal_name": "BRIGHT ROCK CAPITAL MANAGEMENT LLC",
  "dbas": [],
  "city": "Hanover",
  "state": "MA",
  "country": "United States",
  "cbsa_code": "14460",
  "metro": {
    "cbsa_code": "14460",
    "common_name": "Boston",
    "msa_name": "Boston-Cambridge-Newton, MA-NH",
    "path": "/advisors/ma/boston"
  },
  "registration_type": "sec",
  "registration_status": "Approved",
  "registration_date": "2010-02-18",
  "years_registered": 16,
  "period": "2026-10-01",
  "filing_date": "2026-03-04",
  "carried_forward": false,
  "raum_total": 535988766.0,
  "raum_discretionary": 535988766.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "500m_1b",
  "raum_band_label": "$500 million to $1 billion",
  "total_employees": 5,
  "advisory_employees": 3,
  "client_count_bucket": null,
  "clients_by_type": {
    "investment_companies": {
      "raum": 535988766.0,
      "count": 2
    }
  },
  "compensation_types": [
    "percentage_of_aum"
  ],
  "advisory_activities": [
    "portfolio_management_investment_companies"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 0,
  "states_registered": [
    "MA"
  ],
  "websites": [
    "https://brightrockcap.com"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/152820",
  "city_as_filed": "HANOVER",
  "url": "https://advisorcensus.com/firm/bright-rock-capital-management-llc-hanover-ma-152820",
  "display_name": "Bright Rock Capital Management LLC",
  "summary": "Bright Rock Capital Management LLC is an SEC-registered investment advisory firm in Hanover, MA, registered since 2010, reporting $500 million to $1 billion in regulatory assets under management in its Form ADV filing dated March 4, 2026.",
  "citation": "AdvisorCensus. Bright Rock Capital Management LLC (CRD 152820): Form ADV filing data as of October 2026.",
  "registration_type_label": "SEC-registered investment adviser",
  "compensation_labels": [
    "A percentage of assets under your management"
  ],
  "advisory_activity_labels": [
    "Portfolio management for investment companies (and business development companies)"
  ],
  "quick_answers": [
    {
      "q": "How is Bright Rock Capital Management LLC compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Bright Rock Capital Management LLC reports these compensation arrangements: a percentage of assets under its management."
    },
    {
      "q": "How much does Bright Rock Capital Management LLC charge?",
      "a": "Its Form ADV Part 2A brochure dated March 4, 2026 states: Asset-based fee: 0.45% of assets a year. Fees can differ by service and may be negotiable; the brochure is the complete statement."
    },
    {
      "q": "Where is Bright Rock Capital Management LLC located?",
      "a": "Bright Rock Capital Management LLC's principal office is in Hanover, MA, according to its Form ADV; the April 2026 filing also lists 1 other office (Schedule D, Section 1.F)."
    },
    {
      "q": "Is Bright Rock Capital Management LLC registered with the SEC or a state?",
      "a": "Bright Rock Capital Management LLC is an SEC-registered investment advisory firm, registered since 2010. Status as filed: Approved. CRD 152820."
    },
    {
      "q": "How much does Bright Rock Capital Management LLC manage?",
      "a": "Bright Rock Capital Management LLC reports $535,988,766 in regulatory assets under management in its Form ADV filing dated March 4, 2026 (100% discretionary)."
    },
    {
      "q": "How have Bright Rock Capital Management LLC's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Bright Rock Capital Management LLC: Regulatory assets under management: $367,000,000 in the October 2021 data and $535,988,766 in the October 2026 data, up 46%. Total employees: 5 in October 2021 and 5 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Bright Rock Capital Management LLC serve?",
      "a": "By number of clients on Form ADV Item 5.D: investment companies (2)."
    },
    {
      "q": "Does Bright Rock Capital Management LLC report any disciplinary disclosures?",
      "a": "Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/152820"
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 367000000.0,
      "total_employees": 5,
      "filing_date": "2021-03-08"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 410000000.0,
      "total_employees": 5,
      "filing_date": "2022-03-16"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 402000000.0,
      "total_employees": 5,
      "filing_date": "2023-09-18"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 483000000.0,
      "total_employees": 5,
      "filing_date": "2024-08-14"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 492000000.0,
      "total_employees": 5,
      "filing_date": "2025-07-23"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 535988766.0,
      "total_employees": 5,
      "filing_date": "2026-03-04"
    }
  ],
  "recent_changes": [],
  "fees_from_brochure": {
    "source": "Form ADV Part 2A brochure dated March 4, 2026",
    "provided_by_the_firm": false,
    "tiers": [],
    "flat_rate": "0.45% of assets a year",
    "stated_range": null,
    "stated_maximum": null,
    "account_minimum": null,
    "account_minimum_may_be_waived": false,
    "minimum_annual_fee": null,
    "planning_fees": [],
    "figures": [
      {
        "label": "Asset-based fee",
        "statements": [
          "Asset-based fee: 0.45% of assets a year"
        ],
        "quotes": [
          "The Mid Cap Growth Fund and the Quality Large Cap Fund each compensate the Adviser for its services at the annual rate of 0.45% and 0.45%, respectively, of its average annual net assets, payable on a monthly basis."
        ]
      }
    ],
    "values": {
      "tiers": [
        {
          "min": null,
          "max": null,
          "rate_pct": 0.45
        }
      ],
      "range_pct": null,
      "max_pct": null,
      "account_minimum": null,
      "minimum_annual_fee": null,
      "planning": []
    },
    "quotes": [
      "The Mid Cap Growth Fund and the Quality Large Cap Fund each compensate the Adviser for its services at the annual rate of 0.45% and 0.45%, respectively, of its average annual net assets, payable on a monthly basis."
    ],
    "note": "As stated in the firm's brochure; fees can differ by service and may be negotiable."
  },
  "custodians": [],
  "custodians_note": null,
  "markdown_url": "https://advisorcensus.com/firm/bright-rock-capital-management-llc-hanover-ma-152820.md",
  "clients": [
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 2,
      "fewer_than_5": false,
      "raum": 535988766.0
    }
  ],
  "disclosure_line": "Reports no disclosure items on Form ADV Item 11.",
  "disclosure_items": [],
  "indexable": true,
  "suppressed": false,
  "claimed": false,
  "enhanced": false,
  "provided_by_the_firm": null,
  "source": {
    "name": "Form ADV",
    "as_of": "2026-10-01",
    "iapd_url": "https://adviserinfo.sec.gov/firm/summary/152820",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}