{"uid":"cap_AKwcrA47WkVbepf0Vieak","slug":"x402-smartmoney-market-e964bb7b","name":"Smartmoney Fund Quarter-over-Quarter 13-F Changes","description":"Quarter-over-quarter 13-F changes for one tracked fund: new buys, exits, increases, decreases, position deltas, and fund-side Form 4 smart-money updates.","url":"https://x402.smartmoney.market/api/fund/:slug/changes","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"},"pathParams":{"type":"object","required":["slug"],"properties":{"slug":{"type":"string","description":"Smartmoney fund slug, for example duquesne."}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","additionalProperties":true}}}}},"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_1AL-fhjmxEoSuCeX1Nw1M","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns quarter-over-quarter 13-F position changes for a tracked hedge fund, including new buys, exits, increases, decreases, position deltas, and Form 4 smart-money updates.","exampleAgentPrompt":"Pull up the latest quarter-over-quarter 13-F changes for Duquesne Capital — I want to see their new buys, exits, and any position increases or decreases from the most recent filing.","exampleUseCases":[{"title":"Track competitor fund portfolio shifts","prompt":"Show me what positions Berkshire Hathaway increased or decreased last quarter — I need to understand where they're moving capital to compete better in our space."},{"title":"Identify emerging smart-money trends","prompt":"Pull the latest 13-F changes across our tracked hedge funds and tell me which stocks are getting added most frequently — looking for patterns in where the smart money is rotating."},{"title":"Monitor insider activity at key holdings","prompt":"Get me the quarter-over-quarter changes for Soros Fund Management, especially any new buys and Form 4 insider updates — I want to know if management is buying their own stock."}],"resultDescription":"A structured response containing quarter-over-quarter 13-F portfolio changes for the specified fund, including lists of new stock buys, complete exits, position size increases and decreases, numeric position deltas (shares/market value), and any fund-side Form 4 smart-money insider activity updates for the current quarter.","failureModes":["Invalid or unrecognized fund slug returns 404 or empty result","Fund not tracked in Smartmoney's universe returns no data","13-F data not yet filed for the current quarter returns stale or empty results","Payment failure (insufficient USDC balance) returns 402 error","Rate limiting or network timeout returns 5xx error"],"whenToPreferThis":"Use this endpoint when you need quarter-over-quarter change data for a specific hedge fund identified by its slug — not just the current snapshot but the delta between filing periods. Prefer this over the general fund holdings endpoint when the user specifically wants to know what changed (new buys, exits, size changes) rather than the current portfolio composition.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:41:53.049Z","isFirstParty":false}