{
  "crd_number": 107717,
  "slug": "mackay-shields-llc-new-york-ny-107717",
  "primary_business_name": "MACKAY SHIELDS LLC",
  "legal_name": "MACKAY SHIELDS LLC",
  "dbas": [],
  "city": "New York",
  "state": "NY",
  "country": "United States",
  "cbsa_code": "35620",
  "metro": {
    "cbsa_code": "35620",
    "common_name": "New York",
    "msa_name": "New York-Newark-Jersey City, NY-NJ",
    "path": "/advisors/ny/new-york"
  },
  "registration_type": "sec",
  "registration_status": "Approved",
  "registration_date": "1969-04-11",
  "years_registered": 57,
  "period": "2026-10-01",
  "filing_date": "2026-08-06",
  "carried_forward": false,
  "raum_total": 159521129399.0,
  "raum_discretionary": 159521129399.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "over_5b",
  "raum_band_label": "Over $5 billion",
  "total_employees": 206,
  "advisory_employees": 73,
  "client_count_bucket": "fewer_than_5_in_some_types",
  "clients_by_type": {
    "other": {
      "raum": 557697538.0,
      "count": 47,
      "description": "WRAP"
    },
    "charitable": {
      "raum": 109379659.0,
      "count": 1,
      "fewer_than_5": true
    },
    "individuals": {
      "raum": 0.0,
      "count": 0,
      "fewer_than_5": true
    },
    "banking_thrift": {
      "raum": 207339731.0,
      "count": 1,
      "fewer_than_5": true
    },
    "state_municipal": {
      "raum": 13078237387.0,
      "count": 34
    },
    "insurance_companies": {
      "raum": 28987853846.0,
      "count": 75
    },
    "investment_companies": {
      "raum": 67656262089.0,
      "count": 43
    },
    "pension_profit_sharing": {
      "raum": 13593578047.0,
      "count": 72
    },
    "other_investment_advisers": {
      "raum": 0.0,
      "count": 0,
      "fewer_than_5": true
    },
    "high_net_worth_individuals": {
      "raum": 2971029318.0,
      "count": 25
    },
    "pooled_investment_vehicles": {
      "raum": 23478388680.0,
      "count": 43
    },
    "corporations_other_businesses": {
      "raum": 2414975440.0,
      "count": 12
    },
    "business_development_companies": {
      "raum": 0.0,
      "count": 0
    },
    "sovereign_wealth_foreign_official": {
      "raum": 6466387664.0,
      "count": 1,
      "fewer_than_5": true
    }
  },
  "compensation_types": [
    "percentage_of_aum",
    "performance_based"
  ],
  "advisory_activities": [
    "periodicals_newsletters",
    "portfolio_management_businesses_institutional",
    "portfolio_management_individuals",
    "portfolio_management_investment_companies",
    "portfolio_management_pooled_vehicles"
  ],
  "wrap_fee_participant": true,
  "disclosure_yes_count": 2,
  "states_registered": [
    "AK",
    "AL",
    "AR",
    "AZ",
    "CA",
    "CO",
    "CT",
    "DC",
    "DE",
    "FL",
    "GA",
    "HI",
    "IA",
    "ID",
    "IL",
    "IN",
    "KS",
    "KY",
    "LA",
    "MA",
    "MD",
    "ME",
    "MI",
    "MN",
    "MO",
    "MS",
    "MT",
    "NC",
    "ND",
    "NE",
    "NH",
    "NJ",
    "NM",
    "NV",
    "NY",
    "OH",
    "OK",
    "OR",
    "PA",
    "PR",
    "RI",
    "SC",
    "SD",
    "TN",
    "TX",
    "UT",
    "VA",
    "VI",
    "VT",
    "WA",
    "WI",
    "WV",
    "WY"
  ],
  "websites": [
    "https://linkedin.com/company/mackay-shields",
    "https://nylim.com/mackay-shields",
    "https://twitter.com/MacKayShields",
    "https://youtube.com/channel/UCkaEbhQlyIj_AQO3Be-9QaA?sub_confirmation=1"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/107717",
  "disclosure_items": [
    {
      "item": "11.D(2)",
      "question": "Has another federal regulator, a state regulator, or a foreign financial regulator ever found that the firm or an advisory affiliate was involved in a violation of investment-related regulations or statutes?"
    },
    {
      "item": "11.D(4)",
      "question": "In the past ten years, has another federal regulator, a state regulator, or a foreign financial regulator entered an order against the firm or an advisory affiliate in connection with investment-related activity?"
    }
  ],
  "city_as_filed": "NEW YORK",
  "url": "https://advisorcensus.com/firm/mackay-shields-llc-new-york-ny-107717",
  "display_name": "Mackay Shields LLC",
  "summary": "Mackay Shields LLC is an SEC-registered investment advisory firm in New York, NY, registered since 1969, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated August 6, 2026.",
  "citation": "AdvisorCensus. Mackay Shields LLC (CRD 107717): Form ADV filing data as of October 2026.",
  "registration_type_label": "SEC-registered investment adviser",
  "compensation_labels": [
    "A percentage of assets under your management",
    "Performance-based fees"
  ],
  "advisory_activity_labels": [
    "Portfolio management for individuals and/or small businesses",
    "Portfolio management for investment companies (and business development companies)",
    "Portfolio management for pooled investment vehicles (other than investment companies)",
    "Portfolio management for businesses (other than small businesses) or institutional clients",
    "Publication of periodicals or newsletters"
  ],
  "quick_answers": [
    {
      "q": "How is Mackay Shields LLC compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Mackay Shields LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure."
    },
    {
      "q": "Where is Mackay Shields LLC located?",
      "a": "Mackay Shields LLC's principal office is in New York, NY, according to its Form ADV; the September 2026 filing also lists 3 other offices (Schedule D, Section 1.F)."
    },
    {
      "q": "Is Mackay Shields LLC registered with the SEC or a state?",
      "a": "Mackay Shields LLC is an SEC-registered investment advisory firm, registered since 1969. Status as filed: Approved. CRD 107717."
    },
    {
      "q": "How much does Mackay Shields LLC manage?",
      "a": "Mackay Shields LLC reports $159,521,129,399 in regulatory assets under management in its Form ADV filing dated August 6, 2026 (100% discretionary)."
    },
    {
      "q": "How have Mackay Shields LLC's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Mackay Shields LLC: Regulatory assets under management: $154,443,908,559 in the October 2021 data and $159,521,129,399 in the October 2026 data, up 3%. Total employees: 201 in October 2021 and 206 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Mackay Shields LLC serve?",
      "a": "By number of clients on Form ADV Item 5.D: insurance companies (75); pension and profit sharing plans (but not the plan participants or government pension plans) (72); other (47)."
    },
    {
      "q": "Which custodians does Mackay Shields LLC use?",
      "a": "Mackay Shields LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists State Street Corporation, The Bank of New York Mellon Corporation and The Northern Trust Company as custodians holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does Mackay Shields LLC report any disciplinary disclosures?",
      "a": "Reports 2 disclosure items on Form ADV Item 11: yes answers to 11.D(2) (another regulator's finding of a violation) and 11.D(4) (another regulator's order in the past ten years). Each question covers the firm and its advisory affiliates, and one event can produce several yes answers. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/107717"
    },
    {
      "q": "What changed in Mackay Shields LLC's recent Form ADV filings?",
      "a": "In the April 2026 filing data: Employees performing advisory functions went from 79 to 73. Updated its list of owners and control persons (Schedule A)."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 154443908559.0,
      "total_employees": 201,
      "filing_date": "2021-03-31"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 164236241145.0,
      "total_employees": 201,
      "filing_date": "2022-09-23"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 129853804475.0,
      "total_employees": 226,
      "filing_date": "2023-05-17"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 139122317215.0,
      "total_employees": 223,
      "filing_date": "2024-07-02"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 151640537359.0,
      "total_employees": 201,
      "filing_date": "2025-06-27"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 159521129399.0,
      "total_employees": 206,
      "filing_date": "2026-08-06"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "Employees performing advisory functions went from 79 to 73.",
        "Updated its list of owners and control persons (Schedule A)."
      ]
    },
    {
      "period": "2026-03-01",
      "period_label": "March 2026",
      "notes": [
        "Changed its office addresses in El Segundo, CA.",
        "Added an office in New York, NY."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "State Street Corporation",
      "name_as_filed": "STATE STREET CORPORATION",
      "affiliated": false
    },
    {
      "name": "The Bank of New York Mellon Corporation",
      "name_as_filed": "THE BANK OF NEW YORK MELLON CORPORATION",
      "affiliated": false
    },
    {
      "name": "The Northern Trust Company",
      "name_as_filed": "THE 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/mackay-shields-llc-new-york-ny-107717.md",
  "clients": [
    {
      "type": "individuals",
      "label": "Individuals (other than high net worth individuals)",
      "count": 0,
      "fewer_than_5": true,
      "raum": 0.0
    },
    {
      "type": "high_net_worth_individuals",
      "label": "High net worth individuals",
      "count": 25,
      "fewer_than_5": false,
      "raum": 2971029318.0
    },
    {
      "type": "banking_thrift",
      "label": "Banking or thrift institutions",
      "count": 1,
      "fewer_than_5": true,
      "raum": 207339731.0
    },
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 43,
      "fewer_than_5": false,
      "raum": 67656262089.0
    },
    {
      "type": "business_development_companies",
      "label": "Business development companies",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "pooled_investment_vehicles",
      "label": "Pooled investment vehicles (other than investment companies and business development companies)",
      "count": 43,
      "fewer_than_5": false,
      "raum": 23478388680.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": 72,
      "fewer_than_5": false,
      "raum": 13593578047.0
    },
    {
      "type": "charitable",
      "label": "Charitable organizations",
      "count": 1,
      "fewer_than_5": true,
      "raum": 109379659.0
    },
    {
      "type": "state_municipal",
      "label": "State or municipal government entities (including government pension plans)",
      "count": 34,
      "fewer_than_5": false,
      "raum": 13078237387.0
    },
    {
      "type": "other_investment_advisers",
      "label": "Other investment advisers",
      "count": 0,
      "fewer_than_5": true,
      "raum": 0.0
    },
    {
      "type": "insurance_companies",
      "label": "Insurance companies",
      "count": 75,
      "fewer_than_5": false,
      "raum": 28987853846.0
    },
    {
      "type": "sovereign_wealth_foreign_official",
      "label": "Sovereign wealth funds and foreign official institutions",
      "count": 1,
      "fewer_than_5": true,
      "raum": 6466387664.0
    },
    {
      "type": "corporations_other_businesses",
      "label": "Corporations or other businesses not listed above",
      "count": 12,
      "fewer_than_5": false,
      "raum": 2414975440.0
    },
    {
      "type": "other",
      "label": "Other",
      "count": 47,
      "fewer_than_5": false,
      "raum": 557697538.0
    }
  ],
  "disclosure_line": "Reports 2 disclosure items on Form ADV Item 11.",
  "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/107717",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}