SELLAS Life Sciences Group (SLS) Institutional Ownership $1.29 +0.15 (+13.16%) Closing price 04/15/2025 04:00 PM EasternExtended Trading$1.30 +0.01 (+1.16%) As of 09:12 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for SELLAS Life Sciences Group (NASDAQ:SLS)CurrentInstitutional OwnershipPercentage17.38%Number ofInstitutional Buyers(last 12 months)9TotalInstitutional Inflows(last 12 months)$8.07MNumber ofInstitutional Sellers(last 12 months)2TotalInstitutional Outflows(last 12 months)$70.03K Get SLS Insider Trade Alerts Want to know when executives and insiders are buying or selling SELLAS Life Sciences Group stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data SLS Institutional Buying and Selling by Quarter Remove Ads SELLAS Life Sciences Group Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/28/2025Brooklyn FI LLC594,919$677K0.1%N/A0.845% 2/17/2025Anson Funds Management LP1,192,266$1.24M0.1%+50.2%1.694% 2/14/2025Northern Trust Corp134,721$140K0.0%+33.6%0.191% 2/13/2025XTX Topco Ltd53,426$56K0.0%-14.9%0.076% 2/12/2025Geode Capital Management LLC733,546$763K0.0%+21.2%1.042% 2/11/2025Virtu Financial LLC41,155$43K0.0%-48.1%0.058% 2/11/2025Brooklyn FI LLC594,919$677K0.0%N/A0.845% 1/31/2025Opus Capital Group LLC238,500$248K0.0%+5.5%0.339% 11/20/2024Virtu Financial LLC79,241$99K0.0%+24.1%0.113% 11/16/2024Geode Capital Management LLC605,191$757K0.0%+17.1%0.941% Get the Latest News and Ratings for SLS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for SELLAS Life Sciences Group and its competitors with MarketBeat's FREE daily newsletter. 11/15/2024Anson Funds Management LP793,835$992K0.0%N/A1.234% 11/15/2024XTX Topco Ltd62,785$78K0.0%N/A0.098% 11/15/2024State Street Corp174,529$218K0.0%+30.2%0.271% 8/9/2024Renaissance Technologies LLC32,446$39K0.0%N/A0.056% 5/20/2024Virtu Financial LLC39,429$40K0.0%-34.2%0.068% 5/14/2024Anson Funds Management LP4,832,368$4.88M0.3%N/A8.366% 4/26/2024Opus Capital Group LLC200,600$203K0.0%+48.6%0.356% 2/13/2024Armistice Capital LLC820,000$869K0.0%N/A2.558% 1/31/2024Opus Capital Group LLC135,000$143K0.0%+291.3%0.421% 9/12/2023Prosperity Financial Group Inc.29,800$47K0.0%N/A0.105% 5/11/2023Highbridge Capital Management LLC1,805,054$2.58M0.0%N/A6.367% 1/18/2023Opus Capital Group LLC19,672$46K0.0%N/A0.096% 11/15/2022Empery Asset Management LP308,466$623K3.7%-66.8%1.501% 2/14/2022GSA Capital Partners LLP10,447$58K0.0%N/A0.066% 2/11/2022Equitable Holdings Inc.102,000$564K0.0%+2.0%0.642% 11/12/2021Jump Financial LLC14,627$134K0.0%N/A0.092% 11/12/2021Equitable Holdings Inc.100,000$916K0.0%+6.0%0.630% 11/12/2021Geode Capital Management LLC133,801$1.23M0.0%+32.0%0.843% 8/25/2021Marshall Wace LLP84,544$938K0.0%+63.0%0.533% 8/17/2021Price T Rowe Associates Inc. MD15,500$172K0.0%-42.8%0.103% 8/16/2021Morgan Stanley15,499$172K0.0%+297.4%0.103% 8/16/2021Pinz Capital Management LP10,700$119K0.0%-18.3%0.071% 8/16/2021State Street Corp37,468$416K0.0%N/A0.248% 8/16/2021Marshall Wace LLP84,544$938K0.0%+63.0%0.560% 8/13/2021Northern Trust Corp24,605$273K0.0%+35.9%0.163% 8/13/2021Geode Capital Management LLC101,337$1.12M0.0%+6.8%0.672% 8/13/2021Vanguard Group Inc.618,534$6.87M0.0%+31.6%4.100% 8/12/2021Dimensional Fund Advisors LP20,320$226K0.0%+31.9%0.135% 8/12/2021Bank of Montreal Can109,282$1.43M0.0%N/A0.724% 8/11/2021Bank of New York Mellon Corp20,332$226K0.0%+30.3%0.135% The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a(Data available from 1/1/2016 forward)Remove Ads SLS Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of SLS shares? During the previous two years, 12 institutional investors and hedge funds held shares of SELLAS Life Sciences Group. The most heavily invested institutionals were Highbridge Capital Management LLC ($2.58M), Anson Funds Management LP ($1.24M), Armistice Capital LLC ($869K), Geode Capital Management LLC ($763K), Brooklyn FI LLC ($677K), Opus Capital Group LLC ($248K), and State Street Corp ($218K).Learn more on SLS's institutional investors. What percentage of SELLAS Life Sciences Group stock is owned by institutional investors? 17.38% of SELLAS Life Sciences Group stock is owned by institutional investors. Learn more on SLS's institutional investor holdings. Which institutional investors have been buying SELLAS Life Sciences Group stock? Of the 12 institutional investors that purchased SELLAS Life Sciences Group stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Anson Funds Management LP ($6.02M), Highbridge Capital Management LLC ($1.81M), Brooklyn FI LLC ($1.19M), Armistice Capital LLC ($820K), Geode Capital Management LLC ($216.54K), Opus Capital Group LLC ($178.50K), and XTX Topco Ltd ($62.79K). How much institutional buying is happening at SELLAS Life Sciences Group? Institutional investors have bought a total of 10,449,371 shares in the last 24 months. This purchase volume represents approximately $11.67M in transactions. Which SELLAS Life Sciences Group major shareholders have been selling company stock? The following institutional investors have sold SELLAS Life Sciences Group stock in the last 24 months: Virtu Financial LLC ($58.57K), and XTX Topco Ltd ($9.36K). How much institutional selling is happening at SELLAS Life Sciences Group? Institutional investors have sold a total of 67,930 shares in the last 24 months. This volume of shares sold represents approximately $70.03K in transactions. Related Companies Ginkgo Bioworks Major Shareholders SNDL Major Shareholders Autolus Therapeutics Major Shareholders Relay Therapeutics Major Shareholders Rapport Therapeutics Major Shareholders Erasca Major Shareholders Sana Biotechnology Major Shareholders Upstream Bio Major Shareholders Phathom Pharmaceuticals Major Shareholders Kamada Major Shareholders This page (NASDAQ:SLS) was last updated on 4/16/2025 by MarketBeat.com Staff From Our PartnersCrypto’s crashing…but we’re still profitingMost traders are panicking right now. Bitcoin’s dropping. Altcoins are bleeding. 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