CERo Therapeutics (CERO) Institutional Ownership $6.93 -0.32 (-4.41%) Closing price 04:00 PM EasternExtended Trading$6.02 -0.91 (-13.13%) As of 07:59 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)4TotalInstitutional Inflows(last 12 months)$1.11BNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$36.66M Get CERO Insider Trade Alerts Want to know when executives and insiders are buying or selling CERo Therapeutics stock? 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Skip Chart & View Institutional Buying and Selling Data CERO Institutional Buying and Selling by Quarter CERo Therapeutics Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/15/2025 Armistice Capital LLC312,000$228K0.0%N/A5.798% 4/29/2025 Avantax Planning Partners Inc.74,321$54K0.0%-97.1%2.453% 4/8/2025 Parallel Advisors LLC220,000$161K0.0%N/A7.261% 2/17/2025 ARCH 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), Armistice Capital LLC ($228K), and Parallel Advisors LLC ($161K), Avantax Planning Partners Inc. ($54K).Learn more on CERo Therapeutics' 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), Armistice Capital LLC ($312K), and Parallel Advisors LLC ($220K). How much institutional buying is happening at CERo Therapeutics? Institutional investors have bought a total of 9,705,286 shares in the last 24 months. This purchase volume represents approximately $1.11B in transactions. Which of 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 $36.66M in transactions. Related Companies MURA Major Shareholders XCUR Major Shareholders RNXT Major Shareholders SCYX Major Shareholders HYPD Major Shareholders MDCX Major Shareholders THAR Major Shareholders DYAI Major Shareholders RNTX Major Shareholders RVPH Major Shareholders This page (NASDAQ:CERO) was last updated on 9/4/2025 by MarketBeat.com Staff From Our PartnersCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. 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