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Disclosery

IMRX IMMUNEERING CORP

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CLASS A COM (common), issuer CIK 1790340

68 managers (68 13F filers) reported a position in IMRX shares at 2025-09-30, 26,041,962 shares in all. 31 filers opened a position and 4 filers sold out during the quarter.

Managers
68
13F filers
68
New
31
Added
23
Reduced
7
Sold out
4
Shares held by filers
26,041,962

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
FMR LLCin group FMR LLC8,787,052$61.5M<0.01%+8,566,05213F-HRTimelineGroup
Sanofi2,708,559$19M7.28%new13F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC2,415,244$16.9M<0.01%+1,358,32213F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/1,798,782$12.6M<0.01%new13F-HRTimeline
ExodusPoint Capital Management, LP1,516,833$10.6M0.15%new13F-HRTimeline
Logos Global Management LP950,000$6.65M0.66%new13F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC943,144$6.6M0.01%new13F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.681,185$4.77M<0.01%+258,42713F-HRTimelineGroup
Blue Owl Capital Holdings LP550,000$3.85M1.2%new13F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC513,665$3.6M<0.01%+283,39013F-HRTimelineGroup
Occam Crest Management LP498,498$3.49M2.37%13F-HRTimeline
Monashee Investment Management LLC300,000$2.1M1.05%new13F-HRTimeline
Burkehill Global Management, LP300,000$2.1M0.12%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY294,857$2.06M<0.01%+93,76313F-HR/ATimelineGroup
IRIDIAN ASSET MANAGEMENT LLC/CT275,086$1.93M0.76%new13F-HRTimeline
SOUTHPORT MANAGEMENT, L.L.C.in group SOUTHPORT MANAGEMENT, L.L.C.272,501$1.91M7.87%+27,50113F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP271,304$1.9M<0.01%-302,56013F-HRTimelineGroup
Diametric Capital, LP252,193$1.77M0.65%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC236,781$1.66M<0.01%+174,53213F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP172,864$1.21M<0.01%+75,52913F-HRTimelineGroup
AWM Investment Company, Inc.150,000$1.05M0.1%new13F-HRTimeline
Woodline Partners LP150,000$1.05M<0.01%new13F-HRTimeline
TD Asset Management Inc145,180$1.02M<0.01%new13F-HRTimeline
HighTower Advisors, LLC132,459$927K<0.01%-3,50113F-HRTimeline
UBS Group AGin group UBS Group AG126,402$885K<0.01%+121,32913F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC120,449$843K0.02%+25,00013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP107,871$755K<0.01%+89,31813F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…102,448$717K<0.01%new13F-HR/ATimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP92,040$644K<0.01%+52,31113F-HRTimelineGroup
Avidity Partners Management LP90,900$636K0.14%new13F-HRTimeline
Kingsview Wealth Management, LLC90,000$630K0.01%+76,00013F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC72,467$507K0.04%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA71,000$497K<0.01%+50,04013F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …69,274$485K<0.01%new13F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd64,040$448K0.02%+37,21113F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.50,051$350K<0.01%+35,05113F-HRTimelineGroup
Palumbo Wealth Management LLC49,052$343K0.11%new13F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC47,299$331K<0.01%new13F-HRTimelineGroup
Tidemark, LLC44,400$311K0.09%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/43,754$306K<0.01%+15,26213F-HR/ATimelineGroup
GSA CAPITAL PARTNERS LLP37,836$265K0.02%new13F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP36,090$253K<0.01%-27,65013F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC35,000$245K<0.01%+16,80013F-HRTimeline
Flower City Capital29,229$205K0.11%-2,80013F-HRTimeline
Berman McAleer LLC25,000$175K0.02%13F-HRTimeline
FIRST MANHATTAN CO. LLC.24,245$170K<0.01%-8,08013F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd23,785$166K<0.01%new13F-HRTimelineGroup
ALETHEA CAPITAL MANAGEMENT, LLC22,935$161K0.1%013F-HRTimeline
LPL Financial LLC22,400$157K<0.01%new13F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co22,344$156K<0.01%+10,34413F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC22,118$155K<0.01%+12,19413F-HR/ATimelineGroup
Vontobel Holding Ltd.in group Vontobel Holding Ltd.21,500$150K<0.01%new13F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…20,000$140K<0.01%013F-HRTimelineGroup
HEIGHTS CAPITAL MANAGEMENT, INCin group HEIGHTS CAPITAL MANAGEMENT, I…20,000$140K0.04%new13F-HR/ATimelineGroup
Resonant Capital Advisors, LLC20,000$140K0.01%new13F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP19,562$137K<0.01%+6,19613F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN15,000$105K<0.01%+5,00013F-HRTimelineGroup
WENDELL DAVID ASSOCIATES INC15,000$105K0.01%new13F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC13,994$98K0.01%new13F-HRTimelineGroup
Moors & Cabot, Inc.11,000$77K<0.01%new13F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV10,000$70K<0.01%new13F-HRTimeline
Future Financial Wealth Managment LLC5,000$35K0.02%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
China Universal Asset Management Co., L…5,000$35K<0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.4,300$30.1K<0.01%013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO1,500$10.5K<0.01%-47413F-HR/ATimelineGroup
CITIGROUP INCin group CITIGROUP INC796$5.57K<0.01%013F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…432$3.02K<0.01%+8713F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS262$1.83K<0.01%-2513F-HRTimelineGroup