{
  "crd_number": 282615,
  "slug": "longtail-alpha-llc-newport-beach-ca-282615",
  "primary_business_name": "LONGTAIL ALPHA, LLC",
  "legal_name": "LONGTAIL ALPHA, LLC",
  "dbas": [],
  "city": "Newport Beach",
  "state": "CA",
  "country": "United States",
  "cbsa_code": "31080",
  "metro": {
    "cbsa_code": "31080",
    "common_name": "Los Angeles",
    "msa_name": "Los Angeles-Long Beach-Anaheim, CA",
    "path": "/advisors/ca/los-angeles"
  },
  "registration_type": "sec",
  "registration_status": "Approved",
  "registration_date": "2018-01-08",
  "years_registered": 8,
  "period": "2026-10-01",
  "filing_date": "2026-02-02",
  "carried_forward": false,
  "raum_total": 822446436.0,
  "raum_discretionary": 822446436.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "500m_1b",
  "raum_band_label": "$500 million to $1 billion",
  "total_employees": 9,
  "advisory_employees": 6,
  "client_count_bucket": "fewer_than_5_in_some_types",
  "clients_by_type": {
    "individuals": {
      "raum": 36329166.0,
      "count": null,
      "fewer_than_5": true
    },
    "state_municipal": {
      "raum": 8465187.0,
      "count": null,
      "fewer_than_5": true
    },
    "pooled_investment_vehicles": {
      "raum": 760317273.0,
      "count": 9
    },
    "corporations_other_businesses": {
      "raum": 17334810.0,
      "count": null,
      "fewer_than_5": true
    }
  },
  "compensation_types": [
    "fixed",
    "hourly",
    "other",
    "percentage_of_aum",
    "performance_based"
  ],
  "advisory_activities": [
    "educational_seminars",
    "other",
    "pension_consulting",
    "periodicals_newsletters",
    "portfolio_management_businesses_institutional",
    "portfolio_management_individuals",
    "portfolio_management_pooled_vehicles"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 0,
  "states_registered": [
    "CA",
    "CO",
    "HI",
    "IL",
    "NV",
    "NY",
    "TX",
    "WV"
  ],
  "websites": [
    "https://linkedin.com/company/longtail-alpha-llc",
    "https://longtailalpha.com",
    "https://twitter.com/longtailalpha?lang=en"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/282615",
  "city_as_filed": "NEWPORT BEACH",
  "url": "https://advisorcensus.com/firm/longtail-alpha-llc-newport-beach-ca-282615",
  "display_name": "Longtail Alpha, LLC",
  "summary": "Longtail Alpha, LLC is an SEC-registered investment advisory firm in Newport Beach, CA, registered since 2018, reporting $500 million to $1 billion in regulatory assets under management in its Form ADV filing dated February 2, 2026.",
  "citation": "AdvisorCensus. Longtail Alpha, LLC (CRD 282615): Form ADV filing data as of October 2026.",
  "registration_type_label": "SEC-registered investment adviser",
  "compensation_labels": [
    "A percentage of assets under your management",
    "Hourly charges",
    "Fixed fees (other than subscription fees)",
    "Performance-based fees",
    "Other"
  ],
  "advisory_activity_labels": [
    "Portfolio management for individuals and/or small businesses",
    "Portfolio management for pooled investment vehicles (other than investment companies)",
    "Portfolio management for businesses (other than small businesses) or institutional clients",
    "Pension consulting services",
    "Publication of periodicals or newsletters",
    "Educational seminars/workshops",
    "Other"
  ],
  "quick_answers": [
    {
      "q": "How is Longtail Alpha, LLC compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Longtail Alpha, LLC reports these compensation arrangements: a percentage of assets under its management; hourly charges; fixed fees (other than subscription fees); performance-based fees; other. The amounts are in Item 5 of its Form ADV Part 2A brochure."
    },
    {
      "q": "Where is Longtail Alpha, LLC located?",
      "a": "Longtail Alpha, LLC's principal office is in Newport Beach, CA, according to its Form ADV."
    },
    {
      "q": "Is Longtail Alpha, LLC registered with the SEC or a state?",
      "a": "Longtail Alpha, LLC is an SEC-registered investment advisory firm, registered since 2018. Status as filed: Approved. CRD 282615."
    },
    {
      "q": "How much does Longtail Alpha, LLC manage?",
      "a": "Longtail Alpha, LLC reports $822,446,436 in regulatory assets under management in its Form ADV filing dated February 2, 2026 (100% discretionary)."
    },
    {
      "q": "How have Longtail Alpha, LLC's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Longtail Alpha, LLC: Regulatory assets under management: $618,053,354 in the October 2021 data and $822,446,436 in the October 2026 data, up 33%. Total employees: 7 in October 2021 and 9 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Longtail Alpha, LLC serve?",
      "a": "By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (9)."
    },
    {
      "q": "Which custodians does Longtail Alpha, LLC use?",
      "a": "Longtail Alpha, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Merrill Lynch and Northern Trust Company as custodians holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does Longtail Alpha, 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/282615"
    },
    {
      "q": "What changed in Longtail Alpha, LLC's recent Form ADV filings?",
      "a": "In the February 2026 filing data: Employees performing advisory functions went from 4 to 6. Regulatory assets under management went from $725,836,223 to $822,446,436 (+13%)."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 618053354.0,
      "total_employees": 7,
      "filing_date": "2021-08-25"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 634556718.0,
      "total_employees": 7,
      "filing_date": "2022-08-11"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 724235646.0,
      "total_employees": 7,
      "filing_date": "2023-03-21"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 721938657.0,
      "total_employees": 8,
      "filing_date": "2024-03-12"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 725836223.0,
      "total_employees": 7,
      "filing_date": "2025-03-06"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 822446436.0,
      "total_employees": 9,
      "filing_date": "2026-02-02"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-02-01",
      "period_label": "February 2026",
      "notes": [
        "Employees performing advisory functions went from 4 to 6.",
        "Regulatory assets under management went from $725,836,223 to $822,446,436 (+13%)."
      ]
    },
    {
      "period": "2026-01-01",
      "period_label": "January 2026",
      "notes": [
        "No longer registered or notice-filed in FL, OH."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "Merrill Lynch",
      "name_as_filed": "MERRILL LYNCH",
      "affiliated": false
    },
    {
      "name": "Northern Trust Company",
      "name_as_filed": "NORTHERN TRUST COMPANY",
      "affiliated": false
    }
  ],
  "custodians_note": "Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.",
  "markdown_url": "https://advisorcensus.com/firm/longtail-alpha-llc-newport-beach-ca-282615.md",
  "clients": [
    {
      "type": "individuals",
      "label": "Individuals (other than high net worth individuals)",
      "count": null,
      "fewer_than_5": true,
      "raum": 36329166.0
    },
    {
      "type": "pooled_investment_vehicles",
      "label": "Pooled investment vehicles (other than investment companies and business development companies)",
      "count": 9,
      "fewer_than_5": false,
      "raum": 760317273.0
    },
    {
      "type": "state_municipal",
      "label": "State or municipal government entities (including government pension plans)",
      "count": null,
      "fewer_than_5": true,
      "raum": 8465187.0
    },
    {
      "type": "corporations_other_businesses",
      "label": "Corporations or other businesses not listed above",
      "count": null,
      "fewer_than_5": true,
      "raum": 17334810.0
    }
  ],
  "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/282615",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}