IMMUNEERING CORP - CLASS A (IMRX) Institutional Ownership Changes & 13F Activity

IMMUNEERING CORP - CLASS A (IMRX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Fmr Llc, State Street Corp, Price T Rowe Associates Inc, Marshall Wace, Llp, and Occam Crest Management Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Corient Private Wealth LlcBuy+35,870—35,870$236.03KQ4 2025Feb 19, 2026
Mercer Global Advisors IncBuy+10,000—10,000$65.80KQ4 2025Feb 18, 2026
Fmr LlcBuy+9,685,495—9,685,495$63.73MQ4 2025Feb 17, 2026
Price T Rowe Associates IncBuy+1,993,958—1,993,958$13.12MQ4 2025Feb 17, 2026
Burkehill Global Management, LpBuy+300,000—300,000$1.97MQ4 2025Feb 17, 2026
Bank Of America CorpBuy+214,341—214,341$1.41MQ4 2025Feb 17, 2026
Two Sigma Investments, LpBuy+207,155—207,155$1.36MQ4 2025Feb 17, 2026
Qube Research & Technologies LtdBuy+165,875—165,875$1.09MQ4 2025Feb 17, 2026
683 Capital Management, LlcBuy+150,697—150,697$991.59KQ4 2025Feb 17, 2026
Woodline Partners LpBuy+150,000—150,000$987.00KQ4 2025Feb 17, 2026
Bridgeway Capital Management, LlcBuy+120,449—120,449$792.55KQ4 2025Feb 17, 2026
Northern Trust CorpBuy+109,061—109,061$717.62KQ4 2025Feb 17, 2026
Susquehanna International Group, LlpBuy+107,472—107,472$707.17KQ4 2025Feb 17, 2026
Citadel Advisors LlcBuy+90,459—90,459$595.22KQ4 2025Feb 17, 2026
Prelude Capital Management, LlcBuy+80,000—80,000$526.40KQ4 2025Feb 17, 2026
Millennium Management LlcBuy+50,923—50,923$335.07KQ4 2025Feb 17, 2026
Two Sigma Advisers, LpBuy+31,800—31,800$209.24KQ4 2025Feb 17, 2026
First Manhattan Co. Llc.Buy+24,245—24,245$159.53KQ4 2025Feb 17, 2026
Lighthouse Investment Partners, LlcBuy+17,760—17,760$116.86KQ4 2025Feb 17, 2026
Summittx Capital, L.P.Buy+10,469—10,469$68.89KQ4 2025Feb 17, 2026
Mirae Asset Global Etfs Holdings Ltd.Buy+7,627—7,627$51.33KQ4 2025Feb 17, 2026
Osaic Holdings, Inc.Buy+4,300—4,300$28.29KQ4 2025Feb 17, 2026
Tower Research Capital Llc (Trc)Buy+107—107$704.00Q4 2025Feb 17, 2026
Jones Financial Companies LllpBuy+30—30$197.00Q4 2025Feb 17, 2026
State Street CorpBuy+2,402,238—2,402,238$15.81MQ4 2025Feb 13, 2026
Marshall Wace, LlpBuy+711,875—711,875$4.68MQ4 2025Feb 13, 2026
Occam Crest Management LpBuy+498,498—498,498$3.28MQ4 2025Feb 13, 2026
Morgan StanleyBuy+489,617—489,617$3.22MQ4 2025Feb 13, 2026
Diametric Capital, LpBuy+246,857—246,857$1.62MQ4 2025Feb 13, 2026
Barclays PlcBuy+230,726—230,726$1.52MQ4 2025Feb 13, 2026
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Frequently asked questions about IMRX activity

  • Which institutional owners are buying IMRX?

    Institutional owners buying IMRX 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 IMRX activity?

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

  • Is institutional interest in IMRX increasing?

    Institutional interest in IMRX 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.