{
  "crd_number": 342214,
  "slug": "longnook-etf-llc-boston-ma-342214",
  "primary_business_name": "LONGNOOK ETF LLC",
  "legal_name": "LONGNOOK ETF LLC",
  "dbas": [],
  "city": "Boston",
  "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": "2026-08-20",
  "years_registered": 0,
  "period": "2026-10-01",
  "filing_date": "2026-08-28",
  "carried_forward": false,
  "raum_total": null,
  "raum_discretionary": null,
  "raum_non_discretionary": null,
  "raum_band": "not_reported",
  "raum_band_label": "Not reported",
  "total_employees": 2,
  "advisory_employees": 2,
  "client_count_bucket": null,
  "clients_by_type": {
    "investment_companies": {
      "raum": 0.0,
      "count": 1
    }
  },
  "compensation_types": [
    "other",
    "percentage_of_aum"
  ],
  "advisory_activities": [
    "portfolio_management_investment_companies"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 0,
  "states_registered": [
    "MA"
  ],
  "websites": [
    "https://longnookventures.com"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/342214",
  "city_as_filed": "BOSTON",
  "url": "https://advisorcensus.com/firm/longnook-etf-llc-boston-ma-342214",
  "display_name": "Longnook ETF LLC",
  "summary": "Longnook ETF LLC is an SEC-registered investment advisory firm in Boston, MA, registered since 2026, with no regulatory assets under management reported in its Form ADV filing dated August 28, 2026.",
  "citation": "AdvisorCensus. Longnook ETF LLC (CRD 342214): Form ADV filing data as of October 2026.",
  "registration_type_label": "SEC-registered investment adviser",
  "compensation_labels": [
    "A percentage of assets under your management",
    "Other"
  ],
  "advisory_activity_labels": [
    "Portfolio management for investment companies (and business development companies)"
  ],
  "quick_answers": [
    {
      "q": "How is Longnook ETF LLC compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Longnook ETF LLC reports these compensation arrangements: a percentage of assets under its management; other. The amounts are in Item 5 of its Form ADV Part 2A brochure."
    },
    {
      "q": "Where is Longnook ETF LLC located?",
      "a": "Longnook ETF LLC's principal office is in Boston, MA, according to its Form ADV."
    },
    {
      "q": "Is Longnook ETF LLC registered with the SEC or a state?",
      "a": "Longnook ETF LLC is an SEC-registered investment advisory firm, registered since 2026. Status as filed: Approved. CRD 342214."
    },
    {
      "q": "What types of clients does Longnook ETF LLC serve?",
      "a": "By number of clients on Form ADV Item 5.D: investment companies (1)."
    },
    {
      "q": "Does Longnook ETF 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/342214"
    },
    {
      "q": "What changed in Longnook ETF LLC's recent Form ADV filings?",
      "a": "In the September 2026 filing data: Newly registered with the SEC."
    }
  ],
  "filing_history": [],
  "recent_changes": [
    {
      "period": "2026-09-01",
      "period_label": "September 2026",
      "notes": [
        "Newly registered with the SEC."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [],
  "custodians_note": null,
  "markdown_url": "https://advisorcensus.com/firm/longnook-etf-llc-boston-ma-342214.md",
  "clients": [
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 1,
      "fewer_than_5": false,
      "raum": 0.0
    }
  ],
  "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/342214",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}