{
  "crd_number": 41791,
  "slug": "santander-securities-boston-ma-41791",
  "primary_business_name": "SANTANDER SECURITIES",
  "legal_name": "SANTANDER SECURITIES LLC",
  "dbas": [
    "SANTANDER INVESTMENT SERVICES",
    "SANTANDER PRIVATE BANK",
    "SANTANDER PRIVATE BANKING"
  ],
  "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": "1999-09-02",
  "years_registered": 27,
  "period": "2026-10-01",
  "filing_date": "2026-09-17",
  "carried_forward": false,
  "raum_total": 3140983898.0,
  "raum_discretionary": 3140983898.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "1b_5b",
  "raum_band_label": "$1 billion to $5 billion",
  "total_employees": 449,
  "advisory_employees": 108,
  "client_count_bucket": null,
  "clients_by_type": {
    "other": {
      "raum": 245458824.0,
      "count": 249,
      "description": "TRUST"
    },
    "charitable": {
      "raum": 1011622.0,
      "count": 2
    },
    "individuals": {
      "raum": 2852129822.0,
      "count": 10832
    },
    "banking_thrift": {
      "raum": 0.0,
      "count": 0
    },
    "state_municipal": {
      "raum": 0.0,
      "count": 0
    },
    "insurance_companies": {
      "raum": 0.0,
      "count": 0
    },
    "investment_companies": {
      "raum": 0.0,
      "count": 0
    },
    "pension_profit_sharing": {
      "raum": 0.0,
      "count": 0
    },
    "other_investment_advisers": {
      "raum": 0.0,
      "count": 0
    },
    "high_net_worth_individuals": {
      "raum": 0.0,
      "count": 0
    },
    "pooled_investment_vehicles": {
      "raum": 0.0,
      "count": 0
    },
    "corporations_other_businesses": {
      "raum": 42383630.0,
      "count": 41
    },
    "business_development_companies": {
      "raum": 0.0,
      "count": 0
    },
    "sovereign_wealth_foreign_official": {
      "raum": 0.0,
      "count": 0
    }
  },
  "compensation_types": [
    "percentage_of_aum"
  ],
  "advisory_activities": [
    "financial_planning",
    "other",
    "portfolio_management_individuals",
    "selection_of_other_advisers"
  ],
  "wrap_fee_participant": true,
  "disclosure_yes_count": 11,
  "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://santanderbank.com/personal/investing"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/41791",
  "disclosure_items": [
    {
      "item": "11.A(2)",
      "question": "In the past ten years, has the firm or an advisory affiliate been charged with a felony?"
    },
    {
      "item": "11.C(1)",
      "question": "Has the SEC or the CFTC ever found that the firm or an advisory affiliate made a false statement or omission?"
    },
    {
      "item": "11.C(2)",
      "question": "Has the SEC or the CFTC ever found that the firm or an advisory affiliate was involved in a violation of SEC or CFTC regulations or statutes?"
    },
    {
      "item": "11.C(4)",
      "question": "Has the SEC or the CFTC ever entered an order against the firm or an advisory affiliate in connection with investment-related activity?"
    },
    {
      "item": "11.C(5)",
      "question": "Has the SEC or the CFTC ever imposed a civil money penalty on the firm or an advisory affiliate, or ordered the firm or an advisory affiliate to cease and desist from an activity?"
    },
    {
      "item": "11.D(1)",
      "question": "Has another federal regulator, a state regulator, or a foreign financial regulator ever found that the firm or an advisory affiliate made a false statement or omission, or was dishonest, unfair, or unethical?"
    },
    {
      "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?"
    },
    {
      "item": "11.E(2)",
      "question": "Has a self-regulatory organization or a commodities exchange ever found that the firm or an advisory affiliate was involved in a violation of its rules, other than a minor rule violation under a plan the SEC approved?"
    },
    {
      "item": "11.G",
      "question": "Is the firm or an advisory affiliate now the subject of a regulatory proceeding that could result in a yes answer to any part of 11.C, 11.D, or 11.E?"
    },
    {
      "item": "11.H(2)",
      "question": "Is the firm or an advisory affiliate now the subject of a civil proceeding that could result in a yes answer to any part of 11.H(1)?"
    }
  ],
  "city_as_filed": "BOSTON",
  "url": "https://advisorcensus.com/firm/santander-securities-boston-ma-41791",
  "display_name": "Santander Securities",
  "summary": "Santander Securities is an SEC-registered investment advisory firm in Boston, MA, registered since 1999, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated September 17, 2026.",
  "citation": "AdvisorCensus. Santander Securities (CRD 41791): 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": [
    "Financial planning services",
    "Portfolio management for individuals and/or small businesses",
    "Selection of other advisers (including private fund managers)",
    "Other"
  ],
  "quick_answers": [
    {
      "q": "How is Santander Securities compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Santander Securities reports these compensation arrangements: a percentage of assets under its management."
    },
    {
      "q": "Where is Santander Securities located?",
      "a": "Santander Securities' principal office is in Boston, MA, according to its Form ADV; the October 2026 filing also lists 23 other offices (Schedule D, Section 1.F)."
    },
    {
      "q": "Is Santander Securities registered with the SEC or a state?",
      "a": "Santander Securities is an SEC-registered investment advisory firm, registered since 1999. Status as filed: Approved. CRD 41791."
    },
    {
      "q": "How much does Santander Securities manage?",
      "a": "Santander Securities reports $3,140,983,898 in regulatory assets under management in its Form ADV filing dated September 17, 2026 (100% discretionary)."
    },
    {
      "q": "How have Santander Securities' assets and staff changed since 2021?",
      "a": "In the Form ADV data for Santander Securities: Regulatory assets under management: $1,709,547,962 in the October 2021 data and $3,140,983,898 in the October 2026 data, up 84%. Total employees: 767 in October 2021 and 449 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Santander Securities serve?",
      "a": "By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (10,832); other (249); corporations or other businesses not listed above (41)."
    },
    {
      "q": "Which custodians does Santander Securities use?",
      "a": "Santander Securities' most recent Form ADV filing (Schedule D, Section 5.K(3)) lists National Financial Services LLC as a custodian holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does Santander Securities report any disciplinary disclosures?",
      "a": "Reports 11 disclosure items on Form ADV Item 11: yes answers to 1 question about criminal matters, 9 questions about regulatory matters, and 1 question about civil court matters (11.A(2), 11.C(1), 11.C(2), 11.C(4), 11.C(5), 11.D(1), 11.D(2), 11.D(4), 11.E(2), 11.G, 11.H(2)). 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/41791"
    },
    {
      "q": "What changed in Santander Securities' recent Form ADV filings?",
      "a": "In the August 2026 filing data: Updated its list of owners and control persons (Schedule A)."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 1709547962.0,
      "total_employees": 767,
      "filing_date": "2021-06-28"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 2245567681.0,
      "total_employees": 599,
      "filing_date": "2022-09-23"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 1848708275.0,
      "total_employees": 530,
      "filing_date": "2023-09-26"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 2130323875.0,
      "total_employees": 478,
      "filing_date": "2024-09-09"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 2553311017.0,
      "total_employees": 440,
      "filing_date": "2025-07-29"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 3140983898.0,
      "total_employees": 449,
      "filing_date": "2026-09-17"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-08-01",
      "period_label": "August 2026",
      "notes": [
        "Updated its list of owners and control persons (Schedule A)."
      ]
    },
    {
      "period": "2026-06-01",
      "period_label": "June 2026",
      "notes": [
        "Updated its list of owners and control persons (Schedule A)."
      ]
    },
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "Added the business name Santander Private Banking.",
        "Added the business name Santander Private Bank.",
        "Employees performing advisory functions went from 103 to 108.",
        "Regulatory assets under management went from $2,553,311,017 to $3,140,983,898 (+23%).",
        "Added an office in Jackson, NJ.",
        "Added an office in Manalapan, NJ.",
        "Added an office in Manhasset, NY.",
        "Added an office in Monroe Township, NJ.",
        "Added an office in Watertown, MA.",
        "No longer lists an office in East Providence, RI.",
        "No longer lists an office in Florham Park, NJ.",
        "No longer lists an office in Jersey City, NJ.",
        "No longer lists an office in Seekonk, MA.",
        "No longer lists an office in Toms River, NJ.",
        "Updated its list of owners and control persons (Schedule A)."
      ]
    },
    {
      "period": "2026-03-01",
      "period_label": "March 2026",
      "notes": [
        "Updated its list of owners and control persons (Schedule A)."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "National Financial Services LLC",
      "name_as_filed": "NATIONAL FINANCIAL SERVICES LLC",
      "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/santander-securities-boston-ma-41791.md",
  "clients": [
    {
      "type": "individuals",
      "label": "Individuals (other than high net worth individuals)",
      "count": 10832,
      "fewer_than_5": false,
      "raum": 2852129822.0
    },
    {
      "type": "high_net_worth_individuals",
      "label": "High net worth individuals",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "banking_thrift",
      "label": "Banking or thrift institutions",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "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": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "charitable",
      "label": "Charitable organizations",
      "count": 2,
      "fewer_than_5": false,
      "raum": 1011622.0
    },
    {
      "type": "state_municipal",
      "label": "State or municipal government entities (including government pension plans)",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "other_investment_advisers",
      "label": "Other investment advisers",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "insurance_companies",
      "label": "Insurance companies",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "sovereign_wealth_foreign_official",
      "label": "Sovereign wealth funds and foreign official institutions",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "corporations_other_businesses",
      "label": "Corporations or other businesses not listed above",
      "count": 41,
      "fewer_than_5": false,
      "raum": 42383630.0
    },
    {
      "type": "other",
      "label": "Other",
      "count": 249,
      "fewer_than_5": false,
      "raum": 245458824.0
    }
  ],
  "disclosure_line": "Reports 11 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/41791",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}