CERo Therapeutics (CERO) Institutional Ownership $0.89 +0.00 (+0.21%) Closing price 04:00 PM EasternExtended Trading$0.88 -0.02 (-1.88%) As of 07:53 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 CERo Therapeutics (NASDAQ:CERO)CurrentInstitutional OwnershipPercentage29.64%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$55.20MNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$1.83M Get CERO Insider Trade Alerts Want to know when executives and insiders are buying or selling CERo Therapeutics stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address CERo Therapeutics Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails4/29/2025 Avantax Planning Partners Inc.74,321$54K0.0%-97.1%2.453% 4/8/2025 Parallel Advisors LLC220,000$161K0.0%N/A7.261% 2/17/2025ARCH Venture Management LLC9,393,561$564K0.2%+550.4%626.237% 2/7/2025 Avantax Planning Partners Inc.2,585,151$155K0.0%+89.9%171.999% (Data available from 1/1/2016 forward) CERO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CERO shares? During the previous two years, the following institutional investors and hedge funds held shares of CERo Therapeutics shares: ARCH Venture Management LLC ($564K), and Parallel Advisors LLC ($161K), Avantax Planning Partners Inc. ($54K).Learn more on CERO's institutional investors. What percentage of CERo Therapeutics stock is owned by institutional investors? 29.64% of CERo Therapeutics stock is owned by institutional investors. Learn more on CERO's institutional investor holdings. Which institutional investors have been buying CERo Therapeutics stock? The following institutional investors have purchased CERo Therapeutics stock in the last 24 months: ARCH Venture Management LLC ($7.95M), Avantax Planning Partners Inc. ($1.22M), and Parallel Advisors LLC ($220K). How much institutional buying is happening at CERo Therapeutics? Institutional investors have bought a total of 9,393,286 shares in the last 24 months. This purchase volume represents approximately $55.20M in transactions. Which CERo Therapeutics major shareholders have been selling company stock? The following institutional investors have sold CERo Therapeutics stock in the last 24 months: Avantax Planning Partners Inc. ($2.51M). How much institutional selling is happening at CERo Therapeutics? Institutional investors have sold a total of 2,510,830 shares in the last 24 months. This volume of shares sold represents approximately $1.83M in transactions. Related Companies CTXR Major Shareholders TSBX Major Shareholders CYCN Major Shareholders BFRI Major Shareholders ADXN Major Shareholders MYNZ Major Shareholders RNAZ Major Shareholders OMGA Major Shareholders INDP Major Shareholders AIM Major Shareholders This page (NASDAQ:CERO) was last updated on 5/1/2025 by MarketBeat.com Staff From Our PartnersHow to invest in Elon Musk’s Optimus before its launchElon Musk is set to completely take over the AI industry with Optimus… A breakthrough AI-powered robot that El...InvestorPlace | SponsoredElon’s Terrifying Warning Forces Trump To Take ActionElon Musk has avoided two major financial crises before. 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