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  • 13F institutionsInstitutional portfolios, every quarter
  • StocksHolders, insiders and price per ticker
  • Insider tradesForm 4 buys and sales by officers
  • Congress tradesHouse and Senate disclosures
  • Crypto ETF holders13F holders of spot crypto ETFs
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Datasets
  • Ownership and insidersWho owns what, and who is buying or selling their own stock, from SEC ownership filings.
  • Corporate and governanceBuybacks, fundamentals, large beneficial ownership stakes and executive pay.
  • Market structure and governmentCongressional trades, settlement failures and Reg SHO threshold lists.
  • Macro and economicRates, the curve, the Fed balance sheet, inflation, positioning, banks and energy.
  • European marketsSweden, Netherlands, Denmark, UK. In development
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ko.io

U.S. securities regulatory data, normalized from the primary public sources.

Terminal

  • 13F institutions
  • Stocks
  • Insider trades
  • Congress trades
  • Crypto ETF holders
  • Browse A-Z

Datasets

  • All datasets
  • Ownership and insiders
  • Corporate and governance
  • Market structure and government
  • Macro and economic
  • European markets

Integrate

  • MCP server
  • REST API
  • Quickstart
  • Build an SEC agent
  • API playground
  • API reference
  • Pricing
  • Console
  • Status

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© 2026 ko.io · Data from SEC EDGAR, the U.S. House and Senate, the exchanges and FINRA, the Federal Reserve, the U.S. Treasury and other federal agencies. Not investment advice.