Dataset

Company filings corpus (10-K, 10-Q, 8-K, 13F)

Free & Open Data API HTML/XML filings bulk ZIP 1 source

Public access to SEC filings and related submissions/XBRL data APIs. Filing forms differ in scope, structure and reporting delay; amendments and publication timestamps matter for historical research.

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Reviewed

SEC EDGAR provides public access to filings submitted by companies, investment managers and other filers. This entry covers the filing archive and related SEC data APIs, not one uniformly structured table. Public availability does not establish that every third-party document is in the public domain.

What this dataset contains

Forms 10-K and 10-Q contain annual and quarterly disclosures; Form 8-K reports specified current events. Form 13F is different: the SEC's FAQ ties the filing requirement to investment discretion over USD 100 million or more in Section 13(f) securities, not simply total assets under management. Reports generally become due 45 days after quarter-end and omit short positions, so they are not a real-time view of a manager's entire portfolio.

Structure and fields

The submissions API uses a ten-digit, zero-padded CIK and returns filing-history metadata; Company Facts and Company Concept APIs expose XBRL facts. The SEC documentation explains that its aggregated XBRL APIs include standard-taxonomy, entity-wide facts, so they do not replace the full filing or all custom disclosures. APIs update as filings are disseminated and bulk JSON archives are refreshed nightly. Access needs no API key, but automated clients must follow SEC access policies.

How analysts use it

Researchers can compare disclosures, extract financial facts and study public filing events. Retain accession numbers, acceptance/publication timestamps, reporting periods and amendments: a period-end date is not the date investors learned the information. Compare XBRL units and contexts before joining facts across companies. For 13F analysis, account for reporting lag, amendments, omitted positions and confidential treatment rather than treating the filing as a complete contemporaneous portfolio.

Documentation & references 4
  1. SEC EDGAR/Company filings corpus (10-K, 10-Q, 8-K, 13F): listing on the provider website
  2. SEC EDGAR: official website
  3. https://www.sec.gov/search-filings/edgar-application-programming-interfaces
  4. https://www.sec.gov/divisions/investment/13ffaq

Further reading

All guides
  • How funds evaluate alternative data vendorsEvaluating alternative-data providers: research fit, provenance, historical timing, permitted use and the evidence needed for an informed purchasing decision.
  • Open vs commercial alternative dataWhat free and open datasets can and cannot do: where public data rivals paid panels, where it cannot compete, and how open sources fit a professional research workflow.
  • Alternative data for hedge fundsA practical guide to alternative data for hedge funds: team design, budget sequencing, infrastructure, vendor portfolio construction and the metrics that show whether the program creates investment value.
  • Free alternative data sourcesThe practical list of free alternative-data sources for investors: public filings, official statistics, satellite and earth observation, on-chain data, web archives and open registries, what each covers, what it costs in engineering effort, and where free data falls short.

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