{"uid":"cap_iBq7mcYbnZLbwTNWsPHci","slug":"sec-13f-hedge-fund-holdings-lookup-eed30c00","name":"SEC 13F Hedge Fund Holdings Lookup","description":"13F holdings of any hedge fund or investor (Berkshire/Buffett, Bridgewater, Burry, Cathie Wood, Citadel, Ackman...): latest portfolio with value, shares and % per position, plus new buys, sold-out positions and biggest adds/cuts vs last quarter, with a plain-English summary. SEC EDGAR. $0.01 USDC per call.","url":"https://x402-agent-api.onrender.com/api/v1/sec-fund-holdings?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"cik":{"type":"string","pattern":"^\\d{1,10}$","description":"The manager's SEC CIK, e.g. 1067983 (Berkshire Hathaway)."},"via":{"type":"string","maxLength":64,"description":"Optional: the tool whose next_calls suggested this call (filled in for you)."},"fund":{"type":"string","maxLength":120,"minLength":2,"description":"The investment manager or investor, e.g. \"Berkshire Hathaway\", \"Bridgewater\", \"Cathie Wood\" or \"Michael Burry\". Use this or `cik`."},"limit":{"type":"integer","default":25,"maximum":200,"minimum":1,"description":"How many positions to list, largest first (1-200, default 25). Totals and changes always cover the whole portfolio."},"period":{"type":"string","pattern":"^(?:latest|\\d{4}-\\d{2}-\\d{2}|\\d{4}-?Q[1-4])$","description":"Which quarter: \"latest\" (default), a quarter-end date such as 2026-06-30, or 2026-Q2."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__fxIXSS6j6io0K7ckFK-S","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the latest 13F portfolio holdings of any hedge fund or institutional investor from SEC EDGAR, including position values, shares, weights, and quarter-over-quarter changes with a plain-English summary.","exampleAgentPrompt":"Pull Berkshire Hathaway's latest 13F holdings from SEC EDGAR — show me the top 50 positions with their values, share counts, and portfolio weights, plus any new buys, sold-out positions, and the biggest adds and cuts versus last quarter.","exampleUseCases":[{"title":"Tracking Buffett's latest portfolio moves","prompt":"What did Warren Buffett buy and sell in Berkshire Hathaway's most recent quarter? Show me the top 30 positions and highlight any new buys or complete exits."},{"title":"Researching Burry's current bets","prompt":"What stocks does Michael Burry currently hold according to his latest 13F filing? I want to see all positions with their values and how they changed from the previous quarter."},{"title":"Monitoring Cathie Wood's ARK adds and cuts","prompt":"Show me Cathie Wood's latest 13F portfolio — top 25 positions — and tell me what she added most aggressively and what she's been cutting compared to last quarter."}],"resultDescription":"Returns a structured list of portfolio positions (up to the requested limit, largest by value first) each with share count, market value, and portfolio weight percentage; plus lists of new buys, fully exited positions, biggest position increases, and biggest cuts vs. the prior quarter — accompanied by a plain-English narrative summary of the portfolio and its changes.","failureModes":["Fund name not found or ambiguous — returns error suggesting use of CIK instead","CIK not recognized by SEC EDGAR — returns not-found error","No 13F filing available for the requested period — returns period-not-found error","Fund has not filed a 13F (e.g. non-US or below $100M threshold) — returns filing-not-available error","SEC EDGAR temporarily unavailable — returns upstream timeout error"],"whenToPreferThis":"Use this endpoint when you need structured, parsed 13F holdings data for a specific institutional investor without manually parsing SEC EDGAR filings. It is ideal for quickly surfacing portfolio composition, quarter-over-quarter changes, and plain-English summaries for any major hedge fund or institutional manager. Prefer this over raw EDGAR access when you need clean, actionable output including change analysis rather than raw XML/SGML filing data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:35:18.284Z","isFirstParty":false,"canonicalSlug":"sec-13f-hedge-fund-holdings-lookup-eed30c00"}