{"uid":"cap_SODi7GrDCa_on9TKPiIKJ","slug":"13f-institutional-holdings-lookup-7589319d","name":"13F Institutional Holdings Lookup","description":"Full normalized 13F portfolio for one institutional manager and quarter — every reportable position with values, shares, put/call, voting authority","url":"https://x402.professorsausages.com/13f-holdings/manager/:cik","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5KvT0ThXudxOqk-0Wtytk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the full normalized 13F portfolio for a given institutional manager and quarter, including every reportable position with share counts, market values, put/call indicators, and voting authority breakdowns.","exampleAgentPrompt":"Pull the full 13F portfolio for Bridgewater Associates — their CIK is 1350694 — for the most recent quarter, and show me all their reportable positions with share counts, market values, and any put/call designations.","exampleUseCases":null,"resultDescription":"A normalized list of every reportable position in the manager's 13F filing for the specified quarter: security name, CUSIP, share count, market value in USD, whether the position is a put or call option, and voting authority (sole, shared, none). Data is structured and ready for analysis.","failureModes":["Invalid or unknown CIK returns 404 or empty result","Quarter not yet filed returns no data","Manager has no 13F obligation (too small) returns empty","Malformed CIK format causes validation error","Rate limit or payment failure returns 402/429"],"whenToPreferThis":"Use this endpoint when you need the complete, normalized 13F portfolio for a specific institutional manager identified by their SEC CIK. Ideal for building institutional ownership databases, tracking hedge fund positions over time, or analyzing a single manager's disclosed equity holdings. Prefer this over scraping SEC EDGAR directly since data is pre-normalized and structured.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:50:46.287Z","isFirstParty":false}