{ "crd_number": 291275, "slug": "rush-island-management-lp-new-york-ny-291275", "primary_business_name": "RUSH ISLAND MANAGEMENT, LP", "legal_name": "RUSH ISLAND MANAGEMENT, LP", "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": "2018-02-16", "years_registered": 8, "period": "2026-10-01", "filing_date": "2026-03-27", "carried_forward": false, "raum_total": 2018851000.0, "raum_discretionary": 2018851000.0, "raum_non_discretionary": 0.0, "raum_band": "1b_5b", "raum_band_label": "$1 billion to $5 billion", "total_employees": 7, "advisory_employees": 5, "client_count_bucket": "fewer_than_5_in_some_types", "clients_by_type": { "charitable": { "raum": 461340000.0, "count": null, "fewer_than_5": true }, "pooled_investment_vehicles": { "raum": 1557511000.0, "count": 4 } }, "compensation_types": [ "percentage_of_aum", "performance_based" ], "advisory_activities": [ "portfolio_management_pooled_vehicles" ], "wrap_fee_participant": false, "disclosure_yes_count": 0, "states_registered": [], "websites": [ "https://linkedin.com/company/rush-island-management", "https://rushisland.com" ], "iapd_url": "https://adviserinfo.sec.gov/firm/summary/291275", "city_as_filed": "NEW YORK", "url": "https://advisorcensus.com/firm/rush-island-management-lp-new-york-ny-291275", "display_name": "Rush Island Management, LP", "summary": "Rush Island Management, LP is an SEC-registered investment advisory firm in New York, NY, registered since 2018, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated March 27, 2026.", "citation": "AdvisorCensus. Rush Island Management, LP (CRD 291275): 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 pooled investment vehicles (other than investment companies)" ], "quick_answers": [ { "q": "How is Rush Island Management, LP compensated?", "a": "On its Form ADV (Item 5.E, October 2026), Rush Island Management, LP 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 Rush Island Management, LP located?", "a": "Rush Island Management, LP's principal office is in New York, NY, according to its Form ADV." }, { "q": "Is Rush Island Management, LP registered with the SEC or a state?", "a": "Rush Island Management, LP is an SEC-registered investment advisory firm, registered since 2018. Status as filed: Approved. CRD 291275." }, { "q": "How much does Rush Island Management, LP manage?", "a": "Rush Island Management, LP reports $2,018,851,000 in regulatory assets under management in its Form ADV filing dated March 27, 2026 (100% discretionary)." }, { "q": "How have Rush Island Management, LP's assets and staff changed since 2021?", "a": "In the Form ADV data for Rush Island Management, LP: Regulatory assets under management: $328,603,671 in the October 2021 data and $2,018,851,000 in the October 2026 data, up 514%. Total employees: 6 in October 2021 and 7 in October 2026. Assets under management move with markets as well as with clients coming and going." }, { "q": "What types of clients does Rush Island Management, LP serve?", "a": "By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (4)." }, { "q": "Which custodians does Rush Island Management, LP use?", "a": "Rush Island Management, LP's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Goldman Sachs & Co. LLC and Morgan Stanley & Co. LLC as custodians holding 10% or more of its separately managed account assets." }, { "q": "Does Rush Island Management, LP 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/291275" } ], "filing_history": [ { "period": "2021-10-01", "regulatory_assets_under_management": 328603671.0, "total_employees": 6, "filing_date": "2021-03-25" }, { "period": "2022-10-01", "regulatory_assets_under_management": 751009000.0, "total_employees": 6, "filing_date": "2022-03-25" }, { "period": "2023-10-01", "regulatory_assets_under_management": 954121000.0, "total_employees": 7, "filing_date": "2023-03-30" }, { "period": "2024-10-01", "regulatory_assets_under_management": 1966670000.0, "total_employees": 7, "filing_date": "2024-07-18" }, { "period": "2025-10-01", "regulatory_assets_under_management": 2043803000.0, "total_employees": 7, "filing_date": "2025-03-25" }, { "period": "2026-10-01", "regulatory_assets_under_management": 2018851000.0, "total_employees": 7, "filing_date": "2026-03-27" } ], "recent_changes": [], "fees_from_brochure": null, "custodians": [ { "name": "Goldman Sachs & Co. LLC", "name_as_filed": "GOLDMAN SACHS & CO. LLC", "affiliated": false }, { "name": "Morgan Stanley & Co. LLC", "name_as_filed": "MORGAN STANLEY & CO. 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/rush-island-management-lp-new-york-ny-291275.md", "clients": [ { "type": "pooled_investment_vehicles", "label": "Pooled investment vehicles (other than investment companies and business development companies)", "count": 4, "fewer_than_5": false, "raum": 1557511000.0 }, { "type": "charitable", "label": "Charitable organizations", "count": null, "fewer_than_5": true, "raum": 461340000.0 } ], "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/291275", "operator": "BH Monitor Services, LLC", "license": "https://creativecommons.org/licenses/by/4.0/", "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data" } }