Promis Neurosciences (PMN) Institutional Ownership $0.55 +0.01 (+2.69%) Closing price 04:00 PM EasternExtended Trading$0.55 +0.00 (+0.36%) As of 05:19 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 Promis Neurosciences (NASDAQ:PMN)CurrentInstitutional OwnershipPercentage50.13%Number ofInstitutional Buyers(last 12 months)4TotalInstitutional Inflows(last 12 months)$4.51MNumber ofInstitutional Sellers(last 12 months)3TotalInstitutional Outflows(last 12 months)$506.99K Get PMN Insider Trade Alerts Want to know when executives and insiders are buying or selling Promis Neurosciences stock? 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Skip Chart & View Institutional Buying and Selling Data PMN Institutional Buying and Selling by Quarter Promis Neurosciences Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/14/2025 Armistice Capital LLC2,137,896$1.03M0.0%-8.4%6.540% 5/16/2025 Allostery Investments LP233,703$165K0.2%+19.8%0.715% 5/16/2025 Ally Bridge Group NY LLC1,484,699$1.03M0.9%-6.8%4.542% 5/15/2025 Armistice Capital LLC2,334,826$1.62M0.0%-7.0%7.143% 2/17/2025 Allostery Investments LP195,111$185K0.2%N/A0.597% 2/14/2025 Heights Capital Management Inc.160,207$152K0.1%-58.6%0.490% 11/15/2024 Sphera Funds Management LTD.1,929,297$2.41M0.4%+6.3%6.455% 11/14/2024 Ally Bridge Group NY LLC1,592,605$1.99M1.1%+50.3%5.328% 11/13/2024 Great Point Partners LLC2,790,698$3.49M1.0%N/A9.337% 2/7/2024 Ieq Capital LLC30,799$35K0.0%-21.4%0.163% 11/15/2023 Affinity Asset Advisors LLC265,958$527K0.1%N/A3.100% 11/15/2022 Northeast Financial Consultants Inc100,000$613K0.0%N/A1.166% 11/4/2022 Ieq Capital LLC39,191$240K0.0%N/A0.457% (Data available from 1/1/2016 forward) PMN Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of PMN shares? During the previous two years, the following institutional investors and hedge funds held shares of Promis Neurosciences shares: Great Point Partners LLC ($3.49M), Sphera Funds Management LTD. ($2.41M), Armistice Capital LLC ($1.03M), Ally Bridge Group NY LLC ($1.03M), Affinity Asset Advisors LLC ($527K), Allostery Investments LP ($165K), and Heights Capital Management Inc. ($152K).Learn more on Promis Neurosciences' institutional investors. What percentage of Promis Neurosciences' stock is owned by institutional investors? 50.13% of Promis Neurosciences' stock is owned by institutional investors. Learn more on PMN's institutional investor holdings. Which institutional investors have been buying Promis Neurosciences' stock? The following institutional investors have purchased Promis Neurosciences' stock in the last 24 months: Great Point Partners LLC ($2.79M), Ally Bridge Group NY LLC ($533.02K), Affinity Asset Advisors LLC ($265.96K), Allostery Investments LP ($233.70K), and Sphera Funds Management LTD. ($115.08K). How much institutional buying is happening at Promis Neurosciences? Institutional investors have bought a total of 3,672,508 shares in the last 24 months. This purchase volume represents approximately $4.51M in transactions. Which of Promis Neurosciences' major shareholders have been selling company stock? The following institutional investors have sold Promis Neurosciences stock in the last 24 months: Armistice Capital LLC ($372.08K), Heights Capital Management Inc. ($226.69K), and Ally Bridge Group NY LLC ($107.91K). How much institutional selling is happening at Promis Neurosciences? Institutional investors have sold a total of 706,674 shares in the last 24 months. This volume of shares sold represents approximately $506.99K in transactions. Related Companies Atara Biotherapeutics Major Shareholders Forte Biosciences Major Shareholders Context Therapeutics Major Shareholders Assertio Major Shareholders Sutro Biopharma Major Shareholders Pyxis Oncology Major Shareholders IGM Biosciences Major Shareholders Artiva Biotherapeutics Major Shareholders BeyondSpring Major Shareholders Metagenomi Major Shareholders This page (NASDAQ:PMN) was last updated on 8/26/2025 by MarketBeat.com Staff From Our Partners“Sell Nvidia before earnings”Eric Fry just went live with one of his most controversial calls yet: “Sell Nvidia.” While Wall Street has bee...InvestorPlace | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... 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