MARKER THERAPEUTICS INC (MRKR) Institutional Ownership Changes & 13F Activity

MARKER THERAPEUTICS INC (MRKR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Renaissance Technologies LLC, Concurrent Investment Advisors, Llc, Susquehanna International Group, Llp, Vanguard Capital Management Llc, and Citadel Advisors Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+32,517—32,517$47.80KQ2 2026Sep 02, 2026
Osaic Holdings, Inc.Buy+19,528+21.0%112,649$165.59KQ2 2026Aug 14, 2026
Jane Street Group, LlcSell-19,471-53.6%16,832$24.74KQ2 2026Aug 14, 2026
Xtx Topco LtdSell-18,210-28.6%45,357$66.67KQ2 2026Aug 14, 2026
Invst, LlcSell-11,000-37.9%18,000$26.46KQ2 2026Aug 14, 2026
Two Sigma Investments, LpSell-800-1.3%60,201$88.50KQ2 2026Aug 14, 2026
Barclays PlcBuy+63—63$93.00Q2 2026Aug 14, 2026
Renaissance Technologies LLCBuy+74,129+42.3%249,423$366.65KQ2 2026Aug 13, 2026
Vanguard Capital Management LlcBuy+36,850+9.5%426,169$626.47KQ2 2026Aug 13, 2026
Ubs Group AgSell-24,219-74.8%8,150$11.98KQ2 2026Aug 13, 2026
Virtu Financial LlcBuy+11,574—11,574$17.00KQ2 2026Aug 13, 2026
Northern Trust CorpBuy+8,620+33.1%34,629$50.91KQ2 2026Aug 13, 2026
Geode Capital Management, LlcSell-21,094-13.1%139,816$205.56KQ2 2026Aug 12, 2026
Jpmorgan Chase & CoBuy+23—23$34.00Q2 2026Aug 12, 2026
Tower Research Capital Llc (Trc)Sell-2,327-74.2%810$1.19KQ2 2026Aug 11, 2026
Lpl Financial LlcBuy+100+0.1%83,147$122.23KQ2 2026Aug 07, 2026
Caitong International Asset Management Co., LtdBuy+6+200.0%9$13.00Q2 2026Aug 05, 2026
Concurrent Investment Advisors, LlcBuy+67,963—67,963$99.91KQ2 2026Jul 27, 2026
Western Wealth Management, LlcSell-368-100.0%0$0.00Q2 2026May 19, 2026
Susquehanna International Group, LlpSell-48,780-100.0%0$0.00Q2 2026May 15, 2026
Two Sigma Securities, LlcSell-11,460-100.0%0$0.00Q2 2026May 15, 2026
Hrt Financial LpSell-11,852-100.0%0$0.00Q2 2026May 14, 2026
Creative PlanningSell-17,312-100.0%0$0.00Q2 2026May 12, 2026
Matrix Advisors Value FundSell-15,000-100.0%0$0.00Q2 2026Apr 22, 2026
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Frequently asked questions about MRKR activity

  • Which institutional owners are buying MRKR?

    Institutional owners buying MRKR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MRKR activity?

    "Buy" means an investor increased their reported position in MRKR compared to the prior reporting period. This reflects growing exposure to MARKER THERAPEUTICS INC (MRKR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MRKR increasing?

    Institutional interest in MRKR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.