iBio (IBIO) Institutional Ownership $0.74 +0.06 (+9.32%) Closing price 08/15/2025 04:00 PM EasternExtended Trading$0.76 +0.02 (+2.27%) As of 08/15/2025 07:58 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 FilingsTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for iBio (NYSE:IBIO)CurrentInstitutional OwnershipPercentage7.90%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$527.99KNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$148.48K Get IBIO Insider Trade Alerts Want to know when executives and insiders are buying or selling iBio stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data IBIO Institutional Buying and Selling by Quarter iBio Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/15/2025 Cubist Systematic Strategies LLC55,600$224K0.0%N/A0.337% 4/30/2025 Iridian Asset Management LLC CT58,205$234K0.1%N/A0.589% 2/13/2025 ADAR1 Capital Management LLC415,606$1.02M0.2%-12.7%4.228% 2/12/2025 Geode Capital Management LLC83,797$205K0.0%+52.3%0.852% 8/15/2024 Lynx1 Capital Management LP240,763$508K0.2%-59.9%2.792% 5/30/2024 Lynx1 Capital Management LP600,000$2.44M0.6%N/A6.957% 5/29/2024 Opaleye Management Inc.680,000$2.76M0.6%N/A7.889% 5/17/2024 Ikarian Capital LLC600,000$2.44M0.3%N/A6.961% (Data available from 1/1/2016 forward) IBIO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IBIO shares? During the previous two years, the following institutional investors and hedge funds held shares of iBio shares: Opaleye Management Inc. ($2.76M), Ikarian Capital LLC ($2.44M), ADAR1 Capital Management LLC ($1.02M), Lynx1 Capital Management LP ($508K), Iridian Asset Management LLC CT ($234K), and Cubist Systematic Strategies LLC ($224K), and Geode Capital Management LLC ($205K).Learn more on iBio's institutional investors. What percentage of iBio's stock is owned by institutional investors? 7.90% of iBio's stock is owned by institutional investors. Learn more on IBIO's institutional investor holdings. Which institutional investors have been buying iBio's stock? The following institutional investors have purchased iBio's stock in the last 24 months: Opaleye Management Inc. ($680K), Lynx1 Capital Management LP ($600K), Ikarian Capital LLC ($600K), Iridian Asset Management LLC CT ($58.21K), Cubist Systematic Strategies LLC ($55.60K), and Geode Capital Management LLC ($28.78K). How much institutional buying is happening at iBio? Institutional investors have bought a total of 142,580 shares in the last 24 months. This purchase volume represents approximately $527.99K in transactions. Which of iBio's major shareholders have been selling company stock? The following institutional investors have sold iBio stock in the last 24 months: ADAR1 Capital Management LLC ($60.61K). How much institutional selling is happening at iBio? Institutional investors have sold a total of 60,606 shares in the last 24 months. This volume of shares sold represents approximately $148.48K in transactions. Related Companies CALC Major Shareholders PLUR Major Shareholders JSPR Major Shareholders OVID Major Shareholders STTK Major Shareholders ALXO Major Shareholders FGEN Major Shareholders PEPG Major Shareholders XLO Major Shareholders KPTI Major Shareholders This page (NYSE:IBIO) was last updated on 8/16/2025 by MarketBeat.com Staff From Our PartnersWhen the levee breaksThe U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was project...Porter & Company | SponsoredIs Elon's empire crumbling?The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... Jeff Brown has uncovered ...Brownstone Research | SponsoredBut this $20 American company could control the secretThe "Impossible" Chip That Runs on Pure Light Google's quantum computer shocked the world... but China DEMO...The Oxford Club | SponsoredElon Musk’s New TechnologyElon Musk is building something in Memphis that could eclipse even Tesla and SpaceX. 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