Aytu BioPharma (AYTU) Institutional Ownership $2.40 -0.04 (-1.64%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$2.40 0.00 (-0.21%) As of 08/1/2025 07:37 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 InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Aytu BioPharma (NASDAQ:AYTU)CurrentInstitutional OwnershipPercentage33.49%Number ofInstitutional Buyers(last 12 months)5TotalInstitutional Inflows(last 12 months)$2.22MNumber ofInstitutional Sellers(last 12 months)2TotalInstitutional Outflows(last 12 months)$269.68K 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 CompanyDetails7/30/2025 FNY Investment Advisers LLC35,921$78K0.0%N/A0.400% 7/15/2025 Kanen Wealth Management LLC573,358$1.25M0.5%N/A6.385% 5/15/2025Armistice Capital LLC57,597$69K0.0%-61.6%0.934% 5/14/2025Stonepine Capital Management LLC463,721$556K0.5%+13.8%7.516% 2/17/2025Stonepine 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% 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. 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% 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% 8/11/2021Bank 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% 5/24/2021Principal 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% 5/17/2021Nuveen Asset Management LLC276,148$2.10M0.0%N/A1.544% 5/17/2021Goldman Sachs Group Inc.77,958$592K0.0%N/A0.436% I warned you about Nvidia… now look what’s happening (Ad)Nvidia just got Trump’s greenlight to sell high-powered AI chips to China — and their stock surged 5% before the open. That’s the kind of move Tim Sykes built his XGPT system to trade. It scans AI news in real time, filters the noise, and pinpoints when to strike. He’s now showing exactly how it works — before the next headline hits.Watch how Tim Sykes trades AI headlines for real gains(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: Kanen Wealth Management LLC ($1.25M), Stonepine Capital Management LLC ($556K), FNY Investment Advisers LLC ($78K), and Armistice Capital LLC ($69K), Dimensional Fund Advisors LP ($69K).Learn more on Aytu BioPharma's institutional investors. What percentage of Aytu BioPharma's stock is owned by institutional investors? 33.49% of Aytu BioPharma's stock is owned by institutional investors. Learn more on AYTU's institutional investor holdings. Which institutional investors have been buying Aytu BioPharma's stock? The following institutional investors have purchased Aytu BioPharma's stock in the last 24 months: Stonepine Capital Management LLC ($1.03M), Kanen Wealth Management LLC ($573.36K), Armistice Capital LLC ($252K), FNY Investment Advisers LLC ($35.92K), and Dimensional Fund Advisors LP ($8.31K). How much institutional buying is happening at Aytu BioPharma? Institutional investors have bought a total of 954,251 shares in the last 24 months. This purchase volume represents approximately $2.22M in transactions. Which of Aytu BioPharma's 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), and Armistice Capital LLC ($92.40K). How much institutional selling is happening at Aytu BioPharma? Institutional investors have sold a total of 185,812 shares in the last 24 months. This volume of shares sold represents approximately $269.68K in transactions. Related Companies Invivyd Major Shareholders Adagene Major Shareholders Adaptimmune Therapeutics Major Shareholders Vaxart Major Shareholders Metagenomi Major Shareholders VistaGen Therapeutics Major Shareholders Oramed Pharmaceuticals Major Shareholders Artiva Biotherapeutics Major Shareholders XBiotech Major Shareholders Entera Bio Major Shareholders This page (NASDAQ:AYTU) was last updated on 8/2/2025 by MarketBeat.com Staff From Our Partners379 passengers walked away from thisWhy Elon Musk Just Invested $51 Million Into Brand New “Miracle Metal” Developed by MIT ScientistsTrue Market Insiders | SponsoredMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. 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