{"slug":"api-sitecheck-api-workers-dev-api-sec-13f-bb1eef","title":"Returns the latest Form 13F-HR holdings for an institutional investor by CIK or ","host":"api.sitecheck-api.workers.dev","method":"GET","resource":"https://api.sitecheck-api.workers.dev/api/sec/13f","category":"search","description":"Returns the latest Form 13F-HR holdings for an institutional investor by CIK or name search. Each holding: issuer, class, CUSIP, value in USD, shares, put/call flag, largest first. Capped at 500 rows. Also returns the total value from the cover page, filing date and reporting period. Source: SEC EDG","price_listed":0.004,"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":2,"reported_payers_30d":2,"networks":["eip155:5042","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"limit":"20","name":"Berkshire Hathaway"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"cik":{"description":"Filer CIK number (10-digit, with or without leading zeros)","type":"string"},"limit":{"description":"Max holdings rows to return (1–500, default 100)","type":"string"},"name":{"description":"Filer name to search EDGAR (used when cik is not given; picks the top match)","type":"string"}},"required":[],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Returns the latest Form 13F-HR holdings for an institutional investor by CIK or name search. Each holding: issuer, class, CUSIP, value in USD, shares, put/call flag, largest first. Capped at 500 rows. Also returns the total value from the cover page, filing date and reporting period. Source: SEC EDGAR (public domain). EDGAR requests ≤10/s.","last_updated":"2026-10-16T06:54:17.577Z","schemes":["exact"]}