Onconetix (ONCO) Institutional Ownership $3.10 +0.05 (+1.64%) Closing price 09/15/2025 03:58 PM EasternExtended Trading$3.10 0.00 (-0.16%) As of 05:35 AM 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 AnalysisChartCompetitorsEarningsFDA EventsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Onconetix (NASDAQ:ONCO)CurrentInstitutional OwnershipPercentage23.89%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$118.50MNumber ofInstitutional Sellers(last 12 months)0 Get ONCO Insider Trade Alerts Want to know when executives and insiders are buying or selling Onconetix stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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Onconetix Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/17/2025Millennium Management LLC39,477$25K0.0%N/A0.476% 2/12/2025Geode Capital Management LLC55,418$35K0.0%N/A0.668% 11/14/2024Zurcher Kantonalbank Zurich Cantonalbank 562,691$2.93M0.0%+83.8%76.039% 7/29/2024Zurcher Kantonalbank Zurich Cantonalbank306,079$51K0.0%N/A1.371% (Data available from 1/1/2016 forward) ONCO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ONCO shares? During the previous two years, the following institutional investors and hedge funds held shares of Onconetix shares: Zurcher Kantonalbank Zurich Cantonalbank ($2.93M), and Geode Capital Management LLC ($35K), Millennium Management LLC ($25K).Learn more on Onconetix's institutional investors. What percentage of Onconetix's stock is owned by institutional investors? 23.89% of Onconetix's stock is owned by institutional investors. Learn more on ONCO's institutional investor holdings. Which institutional investors have been buying Onconetix's stock? The following institutional investors have purchased Onconetix's stock in the last 24 months: Zurcher Kantonalbank Zurich Cantonalbank ($562.69K), Geode Capital Management LLC ($55.42K), and Millennium Management LLC ($39.48K). How much institutional buying is happening at Onconetix? Institutional investors have bought a total of 351,507 shares in the last 24 months. This purchase volume represents approximately $118.50M in transactions. Related Companies EDSA Major Shareholders CLRB Major Shareholders IBIO Major Shareholders IXHL Major Shareholders NRSN Major Shareholders THAR Major Shareholders LPCN Major Shareholders BLRX Major Shareholders ATHA Major Shareholders NERV Major Shareholders This page (NASDAQ:ONCO) was last updated on 9/16/2025 by MarketBeat.com Staff From Our PartnersNew Biotech Backed by Proven Incubator Now Open to PublicA successful biotech incubator just opened its next chapter - and you're invited to their raise. This deal ...i2i Marketing Group, LLC | SponsoredTake a look at this picture ...A strange investment secret — discovered just a few short weeks before this image was taken — correctly predic...Weiss Ratings | SponsoredThis Coin Could Explode, and it’s Hiding in Plain Sight!The #1 coin with skyrocket potential right now... Sometimes the biggest opportunities are hiding in plain s...Crypto 101 Media | SponsoredEveryone’s watching Nvidia right now. 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