Johto Data SEC 13F Holdings: Fund and Manager Positions by CIK
https://johto-x402-api.johtodata.workers.dev/v1/sec-13fOverview
13F-HR holdings for one institutional filer (fund or manager), top positions by value, up to 100 per call: issuer, CUSIP, value, shares, put/call, voting authority and percent of portfolio, plus report date and filing links. Pass a CIK or ticker. Not charged if nothing matches. Free sample: add ?sample=1 for a stored sample record showing the output, no payment. Johto Data: data, sourcing and deal-making, worldwide.