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Documentation Index

Fetch the complete documentation index at: https://docs.secapi.ai/llms.txt

Use this file to discover all available pages before exploring further.

Ownership API

Read institutional and beneficial ownership APIs for managers, holders, and ticker-centric analysis.

Use This API To

  • List beneficial ownership reports across 13D and 13G filings.
  • Retrieve latest and historical 13F ownership reports.
  • Compare holdings, inspect investors, and build ticker-centric ownership graphs.

Before You Call

1

Use manager CIKs for investor-centric 13F workflows

Use manager CIKs for investor-centric 13F workflows.
2

Use ticker-centric endpoints for issuer ownership views

Use ticker-centric endpoints for issuer ownership views.
3

Preserve quarter and comparison coverage metadata

Preserve quarter and comparison coverage metadata.

Endpoints

GET /v1/owners/13d-13g

List beneficial ownership reports across the SEC-native 13D and 13G filing families

GET /v1/owners/13f

Return the latest normalized 13F ownership report for a manager CIK, with optional quarter-specific selection

POST /v1/owners/13f/compare

Compare the latest two 13F ownership reports for a manager CIK

GET /v1/owners/13f/filings

List recent 13F filings, including quarter-end report dates, for a manager CIK

GET /v1/owners/institutional/extract

Return a quarter-specific historical institutional ownership extract for a manager CIK over the SEC-native 13F family

GET /v1/owners/institutional/investor

Return an investor-centric institutional ownership graph for a manager CIK, including ranked holdings and quarter-over-quarter changes

GET /v1/owners/institutional/ticker

Return a ticker-centric institutional holder graph for the latest materialized 13F cohort, ranked by disclosed position value