Marker Therapeutics (MRKR) Institutional Ownership $1.01 +0.01 (+1.00%) Closing price 10/29/2026 04:00 PM EasternExtended Trading$1.00 -0.01 (-1.39%) As of 10/29/2026 07:30 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 ForecastsChartCompetitorsEarningsFinancialsInsider TradesNews and TrendsOwnershipSEC Filings Institutional Ownership Changes (13F Filings) for Marker Therapeutics (NASDAQ:MRKR)CurrentInstitutional OwnershipPercentage22.39%Number ofInstitutional Buyers(last 12 months)11TotalInstitutional Inflows(last 12 months)$749.23KNumber 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 CompanyDetails8/22/2026 Concurrent Investment Advisors LLC67,963$100K0.0%N/A0.408% 5/14/2026Renaissance Technologies LLC175,294$228K0.0%+41.8%1.052% 2/18/2026NewEdge Advisors LLC149,000$222K0.0%N/A0.894% 2/18/2026XTX Topco Ltd58,041$86K0.0%+166.6%0.348% 2/17/2026Osaic Holdings Inc.94,421$141K0.0%+16.5%0.566% 2/12/2026Jane Street Group LLC40,518$60K0.0%N/A0.243% 2/12/2026Renaissance Technologies LLC123,650$184K0.0%+16.4%0.742% 2/11/2026LPL Financial LLC83,247$124K0.0%+41.7%0.499% 2/9/2026Geode Capital Management LLC130,344$194K0.0%+35.3%0.782% 1/30/2026 Boyer Financial Services Inc.36,817$57K0.1%N/A0.221% 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. 11/14/2025Virtu Financial LLC28,329$25K0.0%N/A0.219% 11/14/2025Two Sigma Investments LP36,540$33K0.0%N/A0.282% 8/14/2025Jane 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% 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), Alyeska Investment Group L.P. ($322K), Renaissance Technologies LLC ($228K), NewEdge Advisors LLC ($222K), and Geode Capital Management LLC ($194K).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 Concurrent Investment Advisors LLC ($67.96K). How much institutional buying is happening at Marker Therapeutics? Institutional investors have bought a total of 536,348 shares in the last 24 months. This purchase volume represents approximately $749.23K in transactions. Related Companies Acrivon Therapeutics Major Shareholders Cardiff Oncology Major Shareholders Promis Neurosciences Major Shareholders OKYO Pharma Major Shareholders PMV Pharmaceuticals Major Shareholders Telomir Pharmaceuticals Major Shareholders Oncolytics Biotech Major Shareholders Citius Oncology Major Shareholders Lucid Diagnostics Major Shareholders Apollomics Major Shareholders Institutional ownership data for NASDAQ:MRKR is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/22/2026. New 13F filings are added each quarter as they're published. From Our PartnersA Simple Guide to Options Trading While It's Still FreeA free copy of Options Trading Made Simple is available now but wont stay that way for long. Chris Rowe cal...True Market Insiders | SponsoredFinancial legend: “This is bad, really bad...”Dr. Martin D. 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