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Cardio Diagnostics (CDIO) Institutional Ownership

Cardio Diagnostics logo
$1.55 -0.13 (-7.74%)
Closing price 05/15/2026 04:00 PM Eastern
Extended Trading
$1.54 -0.01 (-0.32%)
As of 05/15/2026 06:07 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Cardio Diagnostics (NASDAQ:CDIO)

Current
Institutional Ownership
Percentage
8.06%
Number of
Institutional Buyers
(last 12 months)
3
Total
Institutional Inflows
(last 12 months)
$168.63K
Number of
Institutional Sellers
(last 12 months)
2
Total
Institutional Outflows
(last 12 months)
$1.69M
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Skip Chart & View Institutional Buying and Selling Data

CDIO Institutional Buying and Selling by Quarter

Cardio Diagnostics Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/14/2026 Renaissance Technologies LLC15,348$30K0.0%N/A0.519%
2/12/2026 DRW Securities LLC40,463$110K0.0%+122.8%2.211%
11/17/2025Citadel Advisors LLC19,520$79K0.0%N/A1.069%
8/8/2025Geode Capital Management LLC13,365$48K0.0%-96.6%0.769%
5/19/2025Jane Street Group LLC80,834$27K0.0%-28.2%4.656%
2/17/2025Millennium Management LLC256,941$236K0.0%N/A0.635%
2/14/2025Jane Street Group LLC112,564$103K0.0%N/A0.278%
2/14/2025Two Sigma Securities LLC52,682$48K0.0%N/A0.130%
2/12/2025Geode Capital Management LLC364,387$334K0.0%+97.6%0.901%
1/30/2024Vontobel Holding Ltd.12,000$30K0.0%N/A0.058%
8/14/2023Prelude Capital Management LLC110,000$131K0.0%N/A1.134%
2/14/2023Susquehanna International Group LLP23,646$26K0.0%N/A0.249%


CDIO Institutional Ownership - Frequently Asked Questions

During the previous two years, the following institutional investors and hedge funds held shares of Cardio Diagnostics shares: Millennium Management LLC ($236K), DRW Securities LLC ($110K), Citadel Advisors LLC ($79K), Geode Capital Management LLC ($48K), Two Sigma Securities LLC ($48K), and Renaissance Technologies LLC ($30K), and Jane Street Group LLC ($27K).Learn more on Cardio Diagnostics' institutional investors.

8.06% of Cardio Diagnostics' stock is owned by institutional investors. Learn more on CDIO's institutional investor holdings.

The following institutional investors have purchased Cardio Diagnostics' stock in the last 24 months: Millennium Management LLC ($256.94K), Geode Capital Management LLC ($179.98K), Jane Street Group LLC ($112.56K), Two Sigma Securities LLC ($52.68K), DRW Securities LLC ($22.30K), Citadel Advisors LLC ($19.52K), and Renaissance Technologies LLC ($15.35K).

Institutional investors have bought a total of 57,166 shares in the last 24 months. This purchase volume represents approximately $168.63K in transactions.

The following institutional investors have sold Cardio Diagnostics stock in the last 24 months: Geode Capital Management LLC ($381.63K), and Jane Street Group LLC ($31.73K).

Institutional investors have sold a total of 413,363 shares in the last 24 months. This volume of shares sold represents approximately $1.69M in transactions.


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This page (NASDAQ:CDIO) was last updated on 5/16/2026 by MarketBeat.com Staff.
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