Aytu BioPharma (AYTU) Institutional Ownership $1.34 -0.02 (-1.11%) Closing price 03:57 PM EasternExtended Trading$1.34 +0.01 (+0.75%) As of 06:43 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Aytu BioPharma (NASDAQ:AYTU)CurrentInstitutional OwnershipPercentage33.49%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$827.06KNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$158.80K Get AYTU Insider Trade Alerts Want to know when executives and insiders are buying or selling Aytu BioPharma stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data AYTU Institutional Buying and Selling by Quarter Aytu BioPharma Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/17/2025Stonepine Capital Management LLC407,549$693K0.6%-18.6%6.627% 11/14/2024Stonepine Capital Management LLC500,958$1.18M0.7%+6.0%8.147% 8/15/2024Armistice Capital LLC252,000$736K0.0%N/A4.220% 8/9/2024Dimensional Fund Advisors LP23,551$69K0.0%+54.5%0.394% 8/16/2023Stonepine Capital Management LLC472,369$756K0.3%N/A12.497% 8/11/2023Stonepine Capital Management LLC472,369$756K0.3%N/A12.497% 2/7/2023Commonwealth Equity Services LLC309,558$58K0.0%+47.7%9.922% 11/4/2022Prudential Financial Inc.145,550$27K0.0%+257.2%0.233% 11/16/2021Schonfeld Strategic Advisors LLC20,200$58K0.0%-22.8%0.073% 11/12/2021Renaissance Technologies LLC660,604$1.90M0.0%+38.4%2.398% Get the Latest News and Ratings for AYTU and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Aytu BioPharma and its competitors with MarketBeat's FREE daily newsletter. 11/10/2021Creative Planning13,000$37K0.0%N/A0.047% 11/9/2021BlackRock Inc.498,952$1.44M0.0%+3.2%1.811% 10/29/2021Commonwealth Equity Services LLC107,718$310K0.0%+86.4%0.391% 9/17/2021Virtu Financial LLC101,805$510K0.0%N/A0.404% 8/17/2021Millennium Management LLC440,415$2.21M0.0%N/A1.750% 8/16/2021Squarepoint Ops LLC34,487$173K0.0%N/A0.137% 8/16/2021Pinz Capital Management LP21,400$107K0.0%+18.9%0.085% 8/16/2021State Street Corp97,684$489K0.0%-44.9%0.388% 8/16/2021Tibra Equities Europe Ltd60,100$301K0.1%N/A0.239% 8/13/2021Renaissance Technologies LLC477,369$2.39M0.0%+265.7%1.897% 8/13/2021Northern Trust Corp47,061$236K0.0%-77.9%0.187% 8/13/2021Geode Capital Management LLC221,439$1.11M0.0%-38.8%0.880% 8/13/2021Vanguard Group Inc.983,387$4.93M0.0%-5.6%3.907% 8/12/2021Ergoteles LLC75,472$378K0.0%N/A0.300% 8/11/2021Commonwealth Equity Services LLC57,798$289K0.0%+24.0%0.230% 8/11/2021 Bank of New York Mellon Corp15,919$80K0.0%-66.0%0.063% 8/11/2021BlackRock Inc.483,448$2.42M0.0%-69.6%1.921% 8/11/2021Deutsche Bank AG20,800$104K0.0%+50.9%0.083% 8/11/2021Susquehanna Fundamental Investments LLC54,819$275K0.0%+33.7%0.218% 8/10/2021WINTON GROUP Ltd57,229$287K0.0%+22.7%0.227% 5/24/2021 Principal Financial Group Inc.42,551$323K0.0%+8.2%0.238% 5/21/2021Citadel Advisors LLC24,761$188K0.0%-70.4%0.138% 5/18/2021Citadel Advisors LLC24,761$188K0.0%-70.4%0.138% 5/18/2021California State Teachers Retirement System33,011$251K0.0%+857.1%0.185% 5/17/2021Schonfeld Strategic Advisors LLC27,100$206K0.0%N/A0.152% 5/17/2021Armistice Capital LLC1,342,378$10.20M0.2%+0.7%7.506% 5/17/2021Pinz Capital Management LP18,000$137K0.0%N/A0.101% 5/17/2021Nuveen Asset Management LLC276,148$2.10M0.0%N/A1.544% 5/17/2021Goldman Sachs Group Inc.77,958$592K0.0%N/A0.436% 5/14/2021Occudo Quantitative Strategies LP60,112$457K0.1%N/A0.336% What President Trump’s Executive Order 14154 means for your money (Ad)Nearly $3 trillion disappeared from the stock market on Thursday morning. According to Whitney Tilson - a former hedge fund manager who predicted the dotcom crash, the housing crisis, and the 2022 tech stock bloodbath - a little-known executive order from the President's first day in office could spark a paradigm-shift that will likely catch millions of Americans off guard.But because of the massive changes impacting U.S. stocks, Tilson has agreed to publish his latest fi5/13/2021Brandywine Global Investment Management LLC13,131$100K0.0%N/A0.073% 5/13/2021Renaissance Technologies LLC130,521$992K0.0%N/A0.730% 5/13/2021 Bank of New York Mellon Corp46,833$356K0.0%+215.2%0.262% 5/12/2021Northern Trust Corp213,140$1.62M0.0%+335.4%1.192% 5/12/2021Geode Capital Management LLC361,588$2.75M0.0%+249.8%2.022% 5/12/2021JPMorgan Chase & Co.55,385$421K0.0%+634.8%0.310% 5/10/2021 Hunter Associates Investment Management LLC10,880$83K0.0%N/A0.061% 5/10/2021 Principal Financial Group Inc.42,551$323K0.0%+8.2%0.238% 5/7/2021BlackRock Inc.1,588,371$12.07M0.0%+417.7%8.882% 5/7/2021American International Group Inc.12,755$97K0.0%+804.6%0.071% 5/6/2021 Rhumbline Advisers13,836$105K0.0%N/A0.077% 5/6/2021Sigma Planning Corp10,722$81K0.0%N/A0.060% 5/4/2021Commonwealth Equity Services LLC46,605$354K0.0%+88.7%0.261% 5/3/2021The Manufacturers Life Insurance Company13,682$104K0.0%N/A0.077% 2/19/2021JPMorgan Chase & Co.7,537$45K0.0%-78.5%0.058% (Data available from 1/1/2016 forward) AYTU Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of AYTU shares? During the previous two years, the following institutional investors and hedge funds held shares of Aytu BioPharma shares: Armistice Capital LLC ($736K), and Stonepine Capital Management LLC ($693K), Dimensional Fund Advisors LP ($69K).Learn more on AYTU's institutional investors. What percentage of Aytu BioPharma stock is owned by institutional investors? 33.49% of Aytu BioPharma stock is owned by institutional investors. Learn more on AYTU's institutional investor holdings. Which institutional investors have been buying Aytu BioPharma stock? The following institutional investors have purchased Aytu BioPharma stock in the last 24 months: Stonepine Capital Management LLC ($973.23K), Armistice Capital LLC ($252K), and Dimensional Fund Advisors LP ($8.31K). How much institutional buying is happening at Aytu BioPharma? Institutional investors have bought a total of 1,233,538 shares in the last 24 months. This purchase volume represents approximately $2.34M in transactions. Which Aytu BioPharma major shareholders have been selling company stock? The following institutional investors have sold Aytu BioPharma stock in the last 24 months: Stonepine Capital Management LLC ($93.41K). How much institutional selling is happening at Aytu BioPharma? Institutional investors have sold a total of 93,409 shares in the last 24 months. This volume of shares sold represents approximately $158.80K in transactions. Related Companies Tempest Therapeutics Major Shareholders Q32 Bio Major Shareholders Lexaria Bioscience Major Shareholders Cara Therapeutics Major Shareholders Cyclo Therapeutics Major Shareholders CASI Pharmaceuticals Major Shareholders Eagle Pharmaceuticals Major Shareholders Synergy CHC Corp. (Uplisting) Major Shareholders DURECT Major Shareholders Longeveron Major Shareholders This page (NASDAQ:AYTU) 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 Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredElon Musk’s next move from the Oval Office?No one is closer to President Trump than Tesla CEO Elon Musk. He's been dubbed Trump's "first buddy." Tr...Weiss Ratings | SponsoredElon’s Terrifying Warning Forces Trump To Take ActionElon Musk has avoided two major financial crises before. 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