13F holdings API
Form 13F holdings data as a REST API: who holds a ticker, what a manager holds, quarter-over-quarter changes, and Schedule 13D/13G beneficial owners. SEC EDGAR source.
Form 13F holdings data as a REST API: who holds a ticker, what a manager holds, quarter-over-quarter changes, and Schedule 13D/13G beneficial owners. SEC EDGAR source.
Every API here is available over the APIs.io API and to AI agents over MCP.