Cardio Diagnostics (CDIO) Institutional Ownership $3.61 +0.01 (+0.28%) Closing price 04:00 PM EasternExtended Trading$3.63 +0.02 (+0.44%) As of 07:08 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? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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 7/1/2025 by MarketBeat.com Staff From Our PartnersHere's the last trade you should make before heading out for the weekend tomorrow.Make this one trade at 2:59 PM on Friday afternoon, and you'll thank me on Monday morning.Timothy Sykes | SponsoredThis Crypto Is Set to Explode in JanuaryFree summit: How to profit from the Coinbase-Deribit deal Our hedge fund experts know exactly what this mea...Crypto 101 Media | SponsoredHow to Collect Up To $5,917/mo From Trump’s Made In USA BoomHow to Collect Up To $5,917/mo From Trump's Made In USA Boom Thanks to President Trump's America-First poli...Investors Alley | SponsoredTrump set to Boost Social Security Checks by 400%?If you collect—or plan to collect—Social Security, you need to see this. A new initiative tied to President...InvestorPlace | SponsoredThe $7 company helping Nvidia build the world’s first trillion-dollar robot …Michael Robinson has been at the forefront of the technology market for over 40 years. Spotting some profit...Weiss Ratings | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredGold prediction: $5,000/oz. or higher is comingThe perfect gold play right now? (currently under $10) Everything in the news now lines up perfectly for an...Stansberry Research | SponsoredFine. Don’t believe me. They called me an alarmist... When in 2010 I said America’s debt was out of control. When I warned it w...Porter & Company | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Cardio Diagnostics Holdings, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Cardio Diagnostics With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.