Cardio Diagnostics Holdings, Inc. (CDIO) Holders & Ownership

Cardio Diagnostics Holdings, Inc. (CDIO) ownership: Top institutional holder: JANE STREET GROUP, LLC ($158502.00). Insider activity: Net Seller (0 buys, 4 sells). SEC EDGAR first-party data.

Top Institutional Holders (13F)

Source: SEC Form 13F
HolderSharesMarket ValueReported
JANE STREET GROUP, LLC81283.00$158502.002026-03-31
HRT FINANCIAL LP62482.00$121000.002026-03-31
BlackRock, Inc.34708.00$67681.002026-03-31
VANGUARD GROUP INC24124.00$65376.002025-12-31
GEODE CAPITAL MANAGEMENT, LLC32177.00$62744.002026-03-31
VANGUARD CAPITAL MANAGEMENT LLC20155.00$39302.002026-03-31
RENAISSANCE TECHNOLOGIES LLC15348.00$29929.002026-03-31
CITADEL ADVISORS LLC10858.00$29425.002025-12-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-03-31
Sellnull2026-03-31
Sellnull2026-03-31
Sellnull2026-03-31

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.