Portage Biotech (PRTG) Institutional Ownership $8.68 -0.12 (-1.36%) Closing price 08/15/2025 04:00 PM EasternExtended Trading$8.82 +0.15 (+1.67%) As of 08/15/2025 07:52 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 AnalysisChartCompetitorsEarningsFDA EventsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Portage Biotech (NASDAQ:PRTG)CurrentInstitutional OwnershipPercentage13.36%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$1.42MNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$409.72K Get PRTG Insider Trade Alerts Want to know when executives and insiders are buying or selling Portage Biotech stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data PRTG Institutional Buying and Selling by Quarter Portage Biotech Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/17/2025 Citadel Advisors LLC15,431$80K0.0%N/A1.470% 2/14/2025Bison Wealth LLC19,272$100K0.0%-80.4%1.837% 11/20/2024 Virtu Financial LLC10,919$73K0.0%N/A1.041% 9/5/2024Sanctuary Advisors LLC297,728$63K0.0%N/A28.355% 8/15/2024 Armistice Capital LLC1,501,780$319K0.0%-9.9%8.437% 2/13/2024 Armistice Capital LLC1,876,105$3.42M0.0%-4.7%10.540% 11/15/2023 Armistice Capital LLC1,968,105$4.11M0.1%N/A11.056% 8/14/2023Bison Wealth LLC213,398$746K0.1%N/A1.199% 8/8/2023 Ieq Capital LLC16,650$58K0.0%N/A0.094% 5/10/2023 MAI Capital Management78,676$243K0.0%+36.8%0.464% Get the Latest News and Ratings for PRTG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Portage Biotech and its competitors with MarketBeat's FREE daily newsletter. 2/9/2023 MAI Capital Management57,512$304K0.0%N/A0.340% 11/14/2022Ergoteles LLC20,597$140K0.0%-11.6%0.122% 7/21/2022 Beacon Investment Advisory Services Inc.11,395$80K0.0%N/A0.085% 5/2/2022 Allspring Global Investments Holdings LLC8,189$53K0.0%N/A0.061% 4/20/2022 Sigma Planning Corp11,388$75K0.0%N/A0.085% 2/14/2022 Maven Securities LTD131,832$1.42M0.0%-41.3%0.989% 2/4/2022 Beacon Investment Advisory Services Inc.11,395$122K0.0%N/A0.086% 11/9/2021BlackRock Inc.213,123$4.33M0.0%+19.7%1.599% 11/4/2021 Deutsche Bank AG2,875$58K0.0%+34.3%0.022% 8/18/2021 Blackstone Inc65,000$1.36M0.0%N/A0.488% 8/16/2021 Blackstone Inc65,000$1.36M0.0%N/A0.488% 8/16/2021 California State Teachers Retirement System5,050$106K0.0%N/A0.038% 8/16/2021 Maven Securities LTD278,694$6.33M0.3%N/A2.091% 8/16/2021 State Street Corp46,453$974K0.0%N/A0.349% 8/13/2021 Northern Trust Corp44,634$935K0.0%N/A0.335% 8/13/2021 Altium Capital Management LP75,000$1.57M0.4%N/A0.563% 8/13/2021 Geode Capital Management LLC35,039$734K0.0%N/A0.263% 8/13/2021 Vanguard Group Inc.13,107$275K0.0%N/A0.098% 8/12/2021 JPMorgan Chase & Co.4,746$99K0.0%N/A0.036% 8/12/2021 Monashee Investment Management LLC110,000$2.31M0.3%N/A0.825% 8/11/2021BlackRock Inc.178,027$3.73M0.0%N/A1.336% 8/11/2021 Deutsche Bank AG2,140$45K0.0%N/A0.016% 8/2/2021 New York State Common Retirement Fund3,900$82K0.0%N/A0.032% (Data available from 1/1/2016 forward) PRTG Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of PRTG shares? During the previous two years, the following institutional investors and hedge funds held shares of Portage Biotech shares: Armistice Capital LLC ($319K), Bison Wealth LLC ($100K), Citadel Advisors LLC ($80K), and Virtu Financial LLC ($73K), Sanctuary Advisors LLC ($63K).Learn more on Portage Biotech's institutional investors. What percentage of Portage Biotech's stock is owned by institutional investors? 13.36% of Portage Biotech's stock is owned by institutional investors. Learn more on PRTG's institutional investor holdings. Which institutional investors have been buying Portage Biotech's stock? The following institutional investors have purchased Portage Biotech's stock in the last 24 months: Armistice Capital LLC ($1.97M), Sanctuary Advisors LLC ($297.73K), Citadel Advisors LLC ($15.43K), and Virtu Financial LLC ($10.92K). How much institutional buying is happening at Portage Biotech? Institutional investors have bought a total of 324,078 shares in the last 24 months. This purchase volume represents approximately $1.42M in transactions. Which of Portage Biotech's major shareholders have been selling company stock? The following institutional investors have sold Portage Biotech stock in the last 24 months: Bison Wealth LLC ($79.25K). How much institutional selling is happening at Portage Biotech? Institutional investors have sold a total of 79,249 shares in the last 24 months. This volume of shares sold represents approximately $409.72K in transactions. 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