{"uid":"cap_zof1HJJWgEBNGidwDFa5R","slug":"whale-holdings-sec-13f-filings-lookup-4d504b29","name":"Whale Holdings - SEC 13F Filings Lookup","description":"Latest 13F filings (what billionaires/hedge funds are holding) via SEC EDGAR.","url":"https://whale.memoryapi.org/x402/whale/holdings?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"required":["method"],"properties":{"method":{"enum":["GET"],"type":"string"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_C8Q8hPXi-zeSs1WcfYSnu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches the latest 13F filings from SEC EDGAR to reveal what billionaires and major hedge funds are currently holding in their portfolios.","exampleAgentPrompt":"Pull the latest 13F filings from SEC EDGAR and show me what the biggest hedge funds and billionaires are currently holding in their portfolios.","exampleUseCases":[{"title":"Hedge fund portfolio tracker for research","prompt":"Show me the most recent 13F filings — I want to know what major hedge funds and billionaire investors are currently holding so I can spot any big new positions."},{"title":"Stock conviction check against whales","prompt":"I'm considering buying more Nvidia — can you pull the latest 13F data to see if major institutional investors and hedge funds are also holding or increasing positions in it?"},{"title":"Investment trend monitoring agent","prompt":"Every quarter when new 13F filings drop, I want you to fetch the latest whale holdings from SEC EDGAR and flag any new stocks that multiple big funds started buying."}],"resultDescription":"Returns structured data from the most recent SEC 13F filings, including the stock holdings, position sizes, and portfolio compositions of major institutional investors and hedge funds (billionaire-level portfolios). Data is sourced from SEC EDGAR and reflects what large money managers have disclosed publicly.","failureModes":["SEC EDGAR API downtime causing stale or unavailable filing data","13F filings are quarterly and may lag current positions by up to 45 days","Payment failure if USDC balance is insufficient (x402 protocol)","Rate limiting or temporary unavailability of the memoryapi endpoint","Incomplete filing data if a fund filed late or amended their 13F"],"whenToPreferThis":"Choose this endpoint when you need structured, ready-to-use 13F institutional holdings data without scraping SEC EDGAR directly. It's ideal for financial research agents, investment analysis workflows, or trend-monitoring pipelines that need to know what large institutional investors are holding. Prefer this over the combined whale digest endpoint when you specifically want 13F filing data without insider transaction noise.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:32:07.357Z","isFirstParty":false,"canonicalSlug":"whale-holdings-sec-13f-filings-lookup-4d504b29"}