{"uid":"cap_SpvyJo-1JCJS9N2jNS6Yp","slug":"the-stall-institutional-ownership-lookup-6d8cd552","name":"The Stall — Institutional Ownership Lookup","description":"Domain-agnostic x402 capability chassis by IntuiTek¹. 300 AI-callable data services — pay USDC on Base mainnet. No accounts or API keys required.","url":"https://the-stall.intuitek.ai/cap/institutional-ownership","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["symbol"],"properties":{"symbol":{"type":"string","description":"US equity ticker symbol (e.g. 'AAPL', 'MSFT', 'NVDA')."}},"additionalProperties":false}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.021","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":"$0.021/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.021","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.021","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mO17ZawMBHSugz8FKUj6P","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.021","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns institutional ownership data for a given US equity ticker symbol, paid per-call in USDC via x402 protocol","exampleAgentPrompt":"Can you pull up the institutional ownership data for NVDA — I want to see which major institutions are holding it and what percentage they own?","exampleUseCases":[{"title":"Pre-investment institutional conviction check","prompt":"Before I buy into Palantir, can you look up who the major institutional holders are and what percentage of PLTR they own? I want to know if the big money is behind it."},{"title":"Comparing institutional backing across stock picks","prompt":"I'm deciding between MSFT and GOOGL — can you check the institutional ownership data for both tickers so I can see which one has stronger institutional conviction?"},{"title":"Monitoring activist or concentrated holder risk","prompt":"Can you pull the institutional ownership breakdown for GME? I want to see if there are any large concentrated positions or notable hedge funds holding significant stakes."}],"resultDescription":"Returns institutional ownership details for the specified US equity ticker, typically including a list of institutional holders (funds, banks, ETF managers), their share counts, ownership percentages, and possibly filing dates from 13F or similar regulatory disclosures.","failureModes":["Invalid or non-US ticker symbol returns an error or empty result","Ticker for a very small-cap or OTC stock may have no institutional ownership data","Payment failure over x402/USDC results in 402 response and no data returned","Data may lag behind most recent 13F filing cycle (typically quarterly)","Rate limiting or network errors from the upstream data provider"],"whenToPreferThis":"Choose this endpoint when you need fast, pay-per-call institutional ownership data for US equities without setting up an account or API key. It is ideal for agents that need ad-hoc financial intelligence on a per-ticker basis, especially when embedding institutional ownership checks in automated investment research or portfolio analysis workflows. Prefer this over brokerage or Bloomberg APIs when you want frictionless micropayment access without subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:52:12.292Z","isFirstParty":false}