Marker Therapeutics (MRKR) Institutional Ownership $1.40 -0.03 (-2.10%) Closing price 05/22/2026 04:00 PM EasternExtended Trading$1.42 +0.02 (+1.36%) As of 05/22/2026 07:50 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 Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Marker Therapeutics (NASDAQ:MRKR)CurrentInstitutional OwnershipPercentage22.39%Number ofInstitutional Buyers(last 12 months)10TotalInstitutional Inflows(last 12 months)$682.68KNumber ofInstitutional Sellers(last 12 months)0 Get MRKR Insider Trade Alerts Want to know when executives and insiders are buying or selling Marker Therapeutics stock? 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Skip Chart & View Institutional Buying and Selling Data MRKR Institutional Buying and Selling by Quarter Marker Therapeutics Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/14/2026 Renaissance Technologies LLC175,294$228K0.0%+41.8%1.052% 2/18/2026 NewEdge Advisors LLC149,000$222K0.0%N/A0.894% 2/18/2026 XTX Topco Ltd58,041$86K0.0%+166.6%0.348% 2/17/2026 Osaic Holdings Inc.94,421$141K0.0%+16.5%0.566% 2/12/2026 Jane Street Group LLC40,518$60K0.0%N/A0.243% 2/12/2026 Renaissance Technologies LLC123,650$184K0.0%+16.4%0.742% 2/11/2026 LPL Financial LLC83,247$124K0.0%+41.7%0.499% 2/9/2026 Geode Capital Management LLC130,344$194K0.0%+35.3%0.782% 1/30/2026 Boyer Financial Services Inc.36,817$57K0.1%N/A0.221% 11/14/2025 Virtu Financial LLC28,329$25K0.0%N/A0.219% Get the Latest News and Ratings for MRKR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Marker Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 11/14/2025 Two Sigma Investments LP36,540$33K0.0%N/A0.282% 8/14/2025 Jane Street Group LLC21,800$33K0.0%N/A0.193% 5/16/2025Alyeska Investment Group L.P.261,777$322K0.0%-71.4%2.314% 2/17/2025NEA Management Company LLC1,625,678$5.06M0.3%+51.7%15.179% 2/17/2025Millennium Management LLC16,108$50K0.0%N/A0.150% 2/17/2025Alyeska Investment Group L.P.915,591$2.85M0.0%N/A8.549% 2/14/2025Northern Trust Corp54,156$168K0.0%+66.9%0.506% 2/14/2025Blue Owl Capital Holdings LP554,250$1.72M0.4%N/A5.175% 2/12/2025Aisling Capital Management LP325,370$1.01M0.4%+3.5%3.038% 2/11/2025LPL Financial LLC79,730$248K0.0%N/A0.744% 11/19/2024Invst LLC20,000$56K0.0%N/A0.224% 8/7/2024Wedbush Securities Inc.69,500$377K0.0%+52.7%0.779% 1/24/2024International Assets Investment Management LLC11,000$60K0.0%+1,000.0%0.124% 10/12/2023Matrix Asset Advisors Inc. NY15,000$68K0.0%-62.5%0.170% 7/27/2023Virtu Financial LLC20,472$63K0.0%N/A0.233% 7/18/2023Matrix Asset Advisors Inc. NY40,000$124K0.0%+60.0%0.455% 5/17/2023Long Focus Capital Management LLC146,100$104K0.0%-90.0%1.660% 5/12/2023Long Focus Capital Management LLC68,400$49K0.0%-95.3%0.777% 5/9/2023Aisling Capital Management LP314,286$223K0.1%-90.0%3.571% 5/9/2023AR Asset Management Inc.40,700$29K0.0%N/A0.463% 1/19/2023Matrix Asset Advisors Inc. NY250,000$68K0.0%-37.5%0.299% 11/15/2022Long Focus Capital Management LLC1,461,000$539K0.1%-40.0%1.748% 10/25/2022Raymond James & Associates94,000$35K0.0%N/A0.112% 10/24/2022Matrix Asset Advisors Inc. NY400,000$148K0.0%+60.0%0.478% 7/15/2022Matrix Asset Advisors Inc. NY250,000$83K0.0%+66.7%0.299% 5/10/2022AR Asset Management Inc.279,000$123K0.0%+290.2%0.336% 4/19/2022Wedbush Securities Inc.90,068$40K0.0%+44.0%0.108% 2/15/2022Kennedy Capital Management Inc.590,118$561K0.0%-3.5%0.710% 2/14/2022Long Focus Capital Management LLC1,233,257$1.17M0.2%N/A1.484% 2/10/2022Acadian Asset Management LLC39,507$37K0.0%N/A0.048% ALERT: Drop these 5 stocks before the market opens tomorrow! (Ad)The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings research points to the first half of 2026 as a particularly rough stretch for certain holdings. Some of America's most popular stocks could take serious damage as a radical market shift plays out. Analysts at Weiss Ratings have identified five names you may want to remove from your portfolio before this unfolds. If any of these are in your portfolio, now is the time to review your positions.See the 5 stocks to avoid MRKR Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of MRKR shares? During the previous two years, 18 institutional investors and hedge funds held shares of Marker Therapeutics. The most heavily invested institutionals were NEA Management Company LLC ($5.06M), Blue Owl Capital Holdings LP ($1.72M), Aisling Capital Management LP ($1.01M), Wedbush Securities Inc. ($377K), Alyeska Investment Group L.P. ($322K), Renaissance Technologies LLC ($228K), and NewEdge Advisors LLC ($222K).Learn more on Marker Therapeutics' institutional investors. What percentage of Marker Therapeutics' stock is owned by institutional investors? 22.39% of Marker Therapeutics' stock is owned by institutional investors. Learn more on MRKR's institutional investor holdings. Which institutional investors have been buying Marker Therapeutics' stock? Of the 18 institutional investors that purchased Marker Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Alyeska Investment Group L.P. ($915.59K), Blue Owl Capital Holdings LP ($554.25K), NEA Management Company LLC ($554.25K), NewEdge Advisors LLC ($149K), LPL Financial LLC ($104.23K), Renaissance Technologies LLC ($69.04K), and Jane Street Group LLC ($62.32K). How much institutional buying is happening at Marker Therapeutics? Institutional investors have bought a total of 490,185 shares in the last 24 months. This purchase volume represents approximately $682.68K in transactions. Related Companies Aldeyra Therapeutics Major Shareholders ImmuCell Major Shareholders Anixa Biosciences Major Shareholders FitLife Brands Major Shareholders Upexi Major Shareholders Biomea Fusion Major Shareholders Clene Major Shareholders Cue Biopharma Major Shareholders Atara Biotherapeutics Major Shareholders BioHarvest Sciences Major Shareholders This page (NASDAQ:MRKR) was last updated on 5/23/2026 by MarketBeat.com Staff. 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