Turnstone Biologics (TSBX) Institutional Ownership $0.36 0.00 (0.00%) Closing price 07/25/2025 04:00 PM EasternExtended Trading$0.36 0.00 (-0.56%) As of 07/25/2025 07:31 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 EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Turnstone Biologics (NASDAQ:TSBX)CurrentInstitutional OwnershipPercentage52.51%Number ofInstitutional Buyers(last 12 months)5TotalInstitutional Inflows(last 12 months)$987.75KNumber ofInstitutional Sellers(last 12 months)2TotalInstitutional Outflows(last 12 months)$289.46K Get TSBX Insider Trade Alerts Want to know when executives and insiders are buying or selling Turnstone Biologics stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data TSBX Institutional Buying and Selling by Quarter Turnstone Biologics Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails7/18/2025 Deltec Asset Management LLC106,057$38K0.0%N/A0.458% 5/7/2025BML Capital Management LLC1,103,386$452K0.3%N/A4.769% 2/17/2025Millennium Management LLC73,744$37K0.0%-28.4%0.319% 2/12/2025Takeda Pharmaceutical Co. Ltd.895,824$448K1.7%N/A3.873% 11/15/2024Point72 Asset Management L.P.932,226$519K0.0%-16.7%4.030% 11/13/2024FMR LLC1,172,987$653K0.0%+3.3%5.071% 8/19/2024Point72 Asset Management L.P.1,118,588$2.93M0.0%-5.5%4.837% 8/13/2024Sei Investments Co.11,882$31K0.0%N/A0.051% 5/17/2024Zimmer Partners LP179,026$469K0.0%+271.4%0.774% 4/17/2024Kathleen S. Wright Associates Inc.42,553$111K0.1%N/A0.184% 2/15/2024PFM Health Sciences LP633,313$1.61M0.1%-58.5%2.742% 2/15/2024Caas Capital Management LP45,831$117K0.0%-40.1%0.198% 12/6/2023Citigroup Inc.7,524$30K0.0%N/A0.033% 11/15/2023Sectoral Asset Management Inc.517,648$2.04M0.4%N/A2.266% 11/14/2023Eventide Asset Management LLC708,317$2.79M0.1%N/A3.101% 11/13/2023FMR LLC2,830,284$11.15M0.0%N/A12.392% 11/7/2023New York State Common Retirement Fund18,867$74K0.0%N/A0.083% (Data available from 1/1/2016 forward) TSBX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of TSBX shares? During the previous two years, 15 institutional investors and hedge funds held shares of Turnstone Biologics. The most heavily invested institutionals were Eventide Asset Management LLC ($2.79M), Sectoral Asset Management Inc. ($2.04M), PFM Health Sciences LP ($1.61M), FMR LLC ($653K), Point72 Asset Management L.P. ($519K), Zimmer Partners LP ($469K), and BML Capital Management LLC ($452K).Learn more on Turnstone Biologics' institutional investors. What percentage of Turnstone Biologics' stock is owned by institutional investors? 52.51% of Turnstone Biologics' stock is owned by institutional investors. Learn more on TSBX's institutional investor holdings. Which institutional investors have been buying Turnstone Biologics' stock? Of the 11 institutional investors that purchased Turnstone Biologics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: FMR LLC ($2.87M), BML Capital Management LLC ($1.10M), Takeda Pharmaceutical Co. Ltd. ($895.82K), Eventide Asset Management LLC ($708.32K), Sectoral Asset Management Inc. ($517.65K), Zimmer Partners LP ($130.83K), and Deltec Asset Management LLC ($106.06K). How much institutional buying is happening at Turnstone Biologics? Institutional investors have bought a total of 2,154,887 shares in the last 24 months. This purchase volume represents approximately $987.75K in transactions. Which of Turnstone Biologics' major shareholders have been selling company stock? The following institutional investors have sold Turnstone Biologics stock in the last 24 months: Point72 Asset Management L.P. ($251.66K), and Millennium Management LLC ($29.28K). How much institutional selling is happening at Turnstone Biologics? Institutional investors have sold a total of 280,946 shares in the last 24 months. This volume of shares sold represents approximately $289.46K in transactions. 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