Turnstone Biologics (TSBX) Institutional Ownership $0.34 -0.01 (-3.84%) Closing price 03:58 PM EasternExtended Trading$0.34 0.00 (0.00%) As of 04:32 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 InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Turnstone Biologics (NASDAQ:TSBX)CurrentInstitutional OwnershipPercentage52.51%Number ofInstitutional Buyers(last 12 months)4TotalInstitutional Inflows(last 12 months)$949.68KNumber 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 CompanyDetails5/7/2025 BML Capital Management LLC1,103,386$452K0.3%N/A4.769% 2/17/2025 Millennium Management LLC73,744$37K0.0%-28.4%0.319% 2/12/2025 Takeda Pharmaceutical Co. Ltd.895,824$448K1.7%N/A3.873% 11/15/2024 Point72 Asset Management L.P.932,226$519K0.0%-16.7%4.030% 11/13/2024 FMR LLC1,172,987$653K0.0%+3.3%5.071% 8/19/2024 Point72 Asset Management L.P.1,118,588$2.93M0.0%-5.5%4.837% 8/13/2024 Sei Investments Co.11,882$31K0.0%N/A0.051% 5/17/2024 Zimmer Partners LP179,026$469K0.0%+271.4%0.774% 4/17/2024 Kathleen S. Wright Associates Inc.42,553$111K0.1%N/A0.184% 2/15/2024 PFM Health Sciences LP633,313$1.61M0.1%-58.5%2.742% 2/15/2024 Caas Capital Management LP45,831$117K0.0%-40.1%0.198% 12/6/2023 Citigroup Inc.7,524$30K0.0%N/A0.033% 11/15/2023 Sectoral Asset Management Inc.517,648$2.04M0.4%N/A2.266% 11/14/2023 Eventide Asset Management LLC708,317$2.79M0.1%N/A3.101% 11/13/2023 FMR LLC2,830,284$11.15M0.0%N/A12.392% 11/7/2023 New 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, 14 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 TSBX's 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 10 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 Kathleen S. Wright Associates Inc. ($42.55K). How much institutional buying is happening at Turnstone Biologics? Institutional investors have bought a total of 6,304,849 shares in the last 24 months. This purchase volume represents approximately $17.49M in transactions. Which Turnstone Biologics major shareholders have been selling company stock? The following institutional investors have sold Turnstone Biologics stock in the last 24 months: PFM Health Sciences LP ($891.40K), Point72 Asset Management L.P. ($251.66K), Caas Capital Management LP ($30.68K), and Millennium Management LLC ($29.28K). How much institutional selling is happening at Turnstone Biologics? Institutional investors have sold a total of 1,203,020 shares in the last 24 months. This volume of shares sold represents approximately $2.64M in transactions. 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