Cardio Diagnostics (CDIO) Institutional Ownership $3.63 +0.02 (+0.55%) Closing price 03:58 PM EasternExtended Trading$3.64 +0.00 (+0.14%) As of 07:46 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 Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Cardio Diagnostics (NASDAQ:CDIO)CurrentInstitutional OwnershipPercentage8.06%Number ofInstitutional Buyers(last 12 months)4TotalInstitutional Inflows(last 12 months)$16.57MNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$314.13K Get CDIO Insider Trade Alerts Want to know when executives and insiders are buying or selling Cardio Diagnostics stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data CDIO Institutional Buying and Selling by Quarter Cardio Diagnostics Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2025Jane 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% (Data available from 1/1/2016 forward) CDIO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CDIO shares? During the previous two years, the following institutional investors and hedge funds held shares of Cardio Diagnostics shares: Geode Capital Management LLC ($334K), Millennium Management LLC ($236K), Prelude Capital Management LLC ($131K), Two Sigma Securities LLC ($48K), and Vontobel Holding Ltd. ($30K), Jane Street Group LLC ($27K).Learn more on Cardio Diagnostics' institutional investors. What percentage of Cardio Diagnostics' stock is owned by institutional investors? 8.06% of Cardio Diagnostics' stock is owned by institutional investors. Learn more on CDIO's institutional investor holdings. Which institutional investors have been buying Cardio Diagnostics' stock? 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), Prelude Capital Management LLC ($110K), Two Sigma Securities LLC ($52.68K), and Vontobel Holding Ltd. ($12K). How much institutional buying is happening at Cardio Diagnostics? Institutional investors have bought a total of 602,165 shares in the last 24 months. This purchase volume represents approximately $16.57M in transactions. Which of Cardio Diagnostics' major shareholders have been selling company stock? The following institutional investors have sold Cardio Diagnostics stock in the last 24 months: Jane Street Group LLC ($31.73K). How much institutional selling is happening at Cardio Diagnostics? Institutional investors have sold a total of 31,730 shares in the last 24 months. This volume of shares sold represents approximately $314.13K in transactions. Related Companies ENLV Institutional Ownership GBIO Institutional Ownership TPST Institutional Ownership DARE Institutional Ownership SNYR Institutional Ownership CARA Institutional Ownership PASG Institutional Ownership CVKD Institutional Ownership TENX Institutional Ownership CYTH Institutional Ownership This page (NASDAQ:CDIO) was last updated on 7/2/2025 by MarketBeat.com Staff From Our PartnersTrump set to Boost Social Security Checks by 400%?If you're collecting or planning to collect social security... 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