{"slug":"2s-io-api-finance-thirteen-f-b6c3e9","title":"Parsed institutional holdings from a 13F-HR filing","host":"2s.io","method":"GET","resource":"https://2s.io/api/finance/thirteen-f","category":"market","description":"Parsed institutional holdings from a 13F-HR filing. By investment-manager CIK (e.g. 1067983 = Berkshire Hathaway). Returns each holding's nameOfIssuer, cusip, market value (whole USD per the modern Form 13F convention), shares/principal amount + type, putCall flag for options, and voting authority (","price_listed":0.018,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"limit":3,"managerCik":"1067983"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"const":"GET"},"queryParams":{"properties":{"formType":{"default":"13F-HR","description":"13F variant. Default 13F-HR; 13F-HR/A for amendments, 13F-NT for non-filings.","type":"string"},"limit":{"default":25,"description":"Max holdings, sorted by value descending.","maximum":200,"minimum":1,"type":"integer"},"managerCik":{"description":"Investment manager CIK (numeric). Berkshire=1067983, Renaissance=1037389, Vanguard=102909.","type":"string"}},"required":["managerCik"]},"type":{"const":"http"}},"required":["type","method","queryParams"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Parsed institutional holdings from a 13F-HR filing. By investment-manager CIK (e.g. 1067983 = Berkshire Hathaway). Returns each holding's nameOfIssuer, cusip, market value (whole USD per the modern Form 13F convention), shares/principal amount + type, putCall flag for options, and voting authority (sole/shared/none). Sorted by value descending. Pass formType for amendments (13F-HR/A) or non-filings (13F-NT). Backed by SEC.gov; underlying 13F filings are public records.","last_updated":"2026-09-19T16:02:18.672Z","schemes":["exact"]}