Astria Therapeutics (ATXS) Institutional Ownership $6.79 +0.44 (+6.93%) Closing price 04:00 PM EasternExtended Trading$6.88 +0.09 (+1.27%) As of 06:46 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Astria Therapeutics (NASDAQ:ATXS)CurrentInstitutional OwnershipPercentage98.98%Number ofInstitutional Buyers(last 12 months)60TotalInstitutional Inflows(last 12 months)$96.11MNumber ofInstitutional Sellers(last 12 months)29TotalInstitutional Outflows(last 12 months)$41.54M Get ATXS Insider Trade Alerts Want to know when executives and insiders are buying or selling Astria Therapeutics stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data ATXS Institutional Buying and Selling by Quarter Astria Therapeutics Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/15/2025 Vestal Point Capital LP4,522,000$24.24M1.3%+8.2%8.012% 8/15/2025 BNP Paribas Financial Markets103,566$555K0.0%+117.8%0.183% 8/15/2025 Bank of America Corp DE49,628$266K0.0%+24.9%0.088% 8/15/2025 Adage Capital Partners GP L.L.C.875,000$4.69M0.0%+48.8%1.550% 8/14/2025 PDT Partners LLC54,642$293K0.0%+90.3%0.097% 8/14/2025 Nantahala Capital Management LLC1,069,530$5.73M0.2%+59.7%1.895% 8/14/2025 Jane Street Group LLC74,244$398K0.0%-31.8%0.132% 8/14/2025 Raymond James Financial Inc.90,583$486K0.0%+15.5%0.161% 8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.23,393$125K0.0%-16.2%0.041% 8/13/2025 Jump Financial LLC79,193$424K0.0%+137.8%0.140% Get the Latest News and Ratings for ATXS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Astria Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 8/13/2025 Affinity Asset Advisors LLC300,000$1.61M0.2%N/A0.532% 8/13/2025 Invesco Ltd.15,162$81K0.0%-13.6%0.027% 8/13/2025 Sio Capital Management LLC318,256$1.71M0.7%+1.0%0.564% 8/13/2025 Panagora Asset Management Inc.98,458$528K0.0%N/A0.174% 8/13/2025 Hsbc Holdings PLC60,851$335K0.0%+85.5%0.108% 8/12/2025 XTX Topco Ltd36,249$194K0.0%N/A0.064% 8/12/2025 American Century Companies Inc.56,442$303K0.0%+8.3%0.100% 8/12/2025 Rhumbline Advisers75,674$406K0.0%+18.2%0.134% 8/12/2025 JPMorgan Chase & Co.1,696,071$9.09M0.0%+4,607.1%3.006% 8/8/2025 Intech Investment Management LLC27,329$146K0.0%-19.9%0.048% 8/8/2025 Bailard Inc.26,500$142K0.0%N/A0.047% 8/8/2025 Geode Capital Management LLC963,938$5.17M0.0%-1.6%1.708% 8/7/2025 ProShare Advisors LLC10,869$58K0.0%-13.5%0.019% 7/11/2025 Farther Finance Advisors LLC5,471$29K0.0%+185.8%0.010% 6/27/2025 Goldman Sachs Group Inc.158,588$847K0.0%-26.8%0.281% 5/19/2025 Jane Street Group LLC108,898$582K0.0%+317.3%0.193% 5/16/2025 Goldman Sachs Group Inc.158,588$847K0.0%-26.8%0.281% 5/16/2025 Millennium Management LLC1,634,155$8.73M0.0%-18.1%2.896% 5/16/2025 Adage Capital Partners GP L.L.C.588,200$3.14M0.0%-17.5%1.042% 5/16/2025 ADAR1 Capital Management LLC641,690$3.43M0.6%+605.3%1.137% 5/15/2025 Redmile Group LLC269,078$1.44M0.1%-22.3%0.477% 5/15/2025 PDT Partners LLC28,707$153K0.0%+173.2%0.051% 5/15/2025 Nantahala Capital Management LLC669,530$3.58M0.1%-0.8%1.186% 5/15/2025 Cubist Systematic Strategies LLC92,239$493K0.0%+503.7%0.163% 5/15/2025 DAFNA Capital Management LLC314,775$1.68M0.5%+5.0%0.558% 5/15/2025 Driehaus Capital Management LLC1,428,217$7.63M0.1%-8.6%2.531% 5/14/2025 MetLife Investment Management LLC23,349$125K0.0%-13.5%0.041% 5/14/2025 Walleye Capital LLC100,107$535K0.0%-31.2%0.177% 5/14/2025 Jump Financial LLC33,305$178K0.0%N/A0.059% 5/14/2025 AlphaQuest LLC14,216$76K0.0%+100.9%0.025% Could This Be the End of Retirement Worries? 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MD17,762$159K0.0%+19.3%0.031% 2/14/2025 Hsbc Holdings PLC19,263$170K0.0%+9.0%0.034% 2/14/2025 Tower Research Capital LLC TRC5,299$47K0.0%+109.2%0.009% 2/14/2025 Dimensional Fund Advisors LP278,072$2.49M0.0%-0.8%0.493% 2/13/2025 Walleye Capital LLC145,402$1.30M0.0%-16.7%0.258% 2/13/2025 Barclays PLC97,820$875K0.0%+5.6%0.173% 2/13/2025 Raymond James Financial Inc.79,044$707K0.0%N/A0.140% 2/13/2025 Legal & General Group Plc31,418$281K0.0%+7.6%0.056% 2/13/2025 Invesco Ltd.17,992$161K0.0%-94.3%0.032% 2/13/2025 ADAR1 Capital Management LLC90,984$813K0.2%-2.5%0.161% 2/13/2025 Wells Fargo & Company MN23,569$211K0.0%+47.3%0.042% 2/12/2025 Geode Capital Management LLC950,397$8.50M0.0%-0.3%1.684% 2/12/2025 JPMorgan Chase & Co.54,664$489K0.0%+39.6%0.097% 2/11/2025 Vanguard Group Inc.2,677,353$23.94M0.0%+1.6%4.745% The stealth altcoin the financial world is underestimating (Ad)This DeFi project could soar next When altcoin season fully kicks in—which the data suggests is happening RIGHT NOW—this project is poised to see massive moves.... The smart money is already positioning.Discover the protocol that's quietly replacing traditional finance.2/11/2025 KLP Kapitalforvaltning AS4,600$41K0.0%N/A0.008% 2/11/2025 American Century Companies Inc.42,693$382K0.0%+9.9%0.076% 2/11/2025 Teacher Retirement System of Texas10,125$91K0.0%N/A0.018% 2/11/2025 Intech Investment Management LLC27,104$242K0.0%+31.2%0.048% 2/10/2025 Swiss National Bank66,600$595K0.0%+13.1%0.118% 2/7/2025 AlphaQuest LLC7,077$63K0.0%-21.4%0.013% 2/6/2025 Raymond James Financial Inc.79,044$707K0.0%N/A0.140% 2/6/2025 Charles Schwab Investment Management Inc.322,576$2.88M0.0%+2.6%0.572% 1/31/2025 New York State Common Retirement Fund10,720$96K0.0%+67.0%0.019% 1/30/2025 Rhumbline Advisers62,163$556K0.0%+2.3%0.110% (Data available from 1/1/2016 forward) ATXS Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ATXS shares? During the previous two years, 94 institutional investors and hedge funds held shares of Astria Therapeutics. The most heavily invested institutionals were FMR LLC ($86.12M), RA Capital Management L.P. ($56.21M), Vivo Capital LLC ($32.78M), Perceptive Advisors LLC ($30.75M), Fcpm Iii Services B.V. ($25.68M), Vestal Point Capital LP ($24.24M), and Vanguard Group Inc. ($23.94M).Learn more on Astria Therapeutics' institutional investors. What percentage of Astria Therapeutics' stock is owned by institutional investors? 98.98% of Astria Therapeutics' stock is owned by institutional investors. Learn more on ATXS's institutional investor holdings. Which institutional investors have been buying Astria Therapeutics' stock? Of the 76 institutional investors that purchased Astria Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: RA Capital Management L.P. ($4.47M), Fcpm Iii Services B.V. ($2.87M), Perceptive Advisors LLC ($1.81M), FMR LLC ($1.77M), JPMorgan Chase & Co. ($1.70M), Armistice Capital LLC ($1.58M), and Vestal Point Capital LP ($1.27M). How much institutional buying is happening at Astria Therapeutics? Institutional investors have bought a total of 11,692,596 shares in the last 24 months. This purchase volume represents approximately $96.11M in transactions. Which of Astria Therapeutics' major shareholders have been selling company stock? Of the 29 institutional investors that sold Astria Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Logos Global Management LP ($1.74M), VR Adviser LLC ($1.00M), State Street Corp ($495.44K), Millennium Management LLC ($360.35K), Invesco Ltd. ($299.20K), Driehaus Capital Management LLC ($189.41K), and Adage Capital Partners GP L.L.C. ($179.74K). How much institutional selling is happening at Astria Therapeutics? Institutional investors have sold a total of 4,849,638 shares in the last 24 months. This volume of shares sold represents approximately $41.54M in transactions. Related Companies Schrodinger Institutional Ownership Evotec Institutional Ownership Janux Therapeutics Institutional Ownership 89BIO Institutional Ownership Edgewise Therapeutics Institutional Ownership WAVE Life Sciences Institutional Ownership AbCellera Biologics Institutional Ownership Harrow Institutional Ownership Vera Therapeutics Institutional Ownership Ardelyx Institutional Ownership This page (NASDAQ:ATXS) was last updated on 8/22/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredEveryone’s watching Nvidia right now. 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