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Immuneering Corp

IMRX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001790340

No open-market purchases or sales by Immuneering Corp insiders were filed in the last 90 days; 111 institutions reported holding it in 13F filings for Q2 2026, worth $171.6M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Immuneering Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
85
+16 vs. Q3 2025
Shares held
31.7M
+5.52M (+21.1%) vs. Q3 2025
Total value
$208.6M
+$25.3M (+13.8%) vs. Q3 2025
New holders
30
28 more added
Sold out
14
11 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IMRX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 85 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 38 institutionsQ4 2021: 37 institutionsQ1 2022: 50 institutionsQ2 2022: 37 institutionsQ3 2022: 32 institutionsQ4 2022: 34 institutionsQ1 2023: 35 institutionsQ2 2023: 49 institutionsQ3 2023: 52 institutionsQ4 2023: 52 institutionsQ1 2024: 51 institutionsQ2 2024: 59 institutionsQ3 2024: 38 institutionsQ4 2024: 42 institutionsQ1 2025: 35 institutionsQ2 2025: 39 institutionsQ3 2025: 69 institutionsQ4 2025: 85 institutionsQ1 2026: 96 institutionsQ2 2026: 111 institutions
Value heldQ4 2025: $208.6M
Q1 2021: $0Q2 2021: $0Q3 2021: $316.4MQ4 2021: $200.1MQ1 2022: $88.1MQ2 2022: $65.7MQ3 2022: $172.5MQ4 2022: $56.9MQ1 2023: $114.9MQ2 2023: $175.9MQ3 2023: $130.1MQ4 2023: $118.6MQ1 2024: $34.3MQ2 2024: $12.3MQ3 2024: $10.9MQ4 2024: $9.32MQ1 2025: $6.84MQ2 2025: $12.9MQ3 2025: $183.3MQ4 2025: $208.6MQ1 2026: $154.3MQ2 2026: $171.6M
Institutions holding IMRX and their total value by quarter
QuarterHoldersValue
Q2 2026111$171.6M
Q1 202696$154.3M
Q4 202585$208.6M
Q3 202569$183.3M
Q2 202539$12.9M
Q1 202535$6.84M
Q4 202442$9.32M
Q3 202438$10.9M
Q2 202459$12.3M
Q1 202451$34.3M
Q4 202352$118.6M
Q3 202352$130.1M
Q2 202349$175.9M
Q1 202335$114.9M
Q4 202234$56.9M
Q3 202232$172.5M
Q2 202237$65.7M
Q1 202250$88.1M
Q4 202137$200.1M
Q3 202138$316.4M
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Immuneering Corp; share changes are against Q3 2025.

Institutions holding IMRX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC9,685,495$63.7M0.00%+898,443+10.2%Added
Sanofi2,708,559$17.8M5.74%00.0%Unchanged
Empery Asset Management, LP2,674,950$17.6M15.52%+2,674,950New
Vanguard Group Inc2,568,293$16.9M0.00%+153,049+6.3%Added
State Street Corp2,402,238$15.8M0.00%+2,229,374+1,289.7%Added
Price T Rowe Associates Inc1,993,958$13.1M0.00%+195,176+10.9%Added
BlackRock, Inc.1,451,706$9.55M0.00%+770,521+113.1%Added
Marshall Wace, LLP711,875$4.68M0.00%+440,571+162.4%Added
Blue Owl Capital Holdings LP665,000$4.38M1.35%+115,000+20.9%Added
Geode Capital Management, LLC618,074$4.07M0.00%+104,409+20.3%Added
Occam Crest Management LP498,498$3.28M2.35%00.0%Unchanged
Morgan Stanley489,617$3.22M0.00%+194,760+66.1%Added
Goldman Sachs Group Inc318,809$2.10M0.00%+318,809New
Burkehill Global Management, LP300,000$1.97M0.13%00.0%Unchanged
Southport Management, L.L.C.277,501$1.83M6.37%+5,000+1.8%Added
Diametric Capital, LP246,857$1.62M0.44%−5,336−2.1%Reduced
Barclays PLC230,726$1.52M0.00%+208,608+943.2%Added
DCF Advisers, LLC215,000$1.41M0.47%+68,000+46.3%Added
Bank of America Corp214,341$1.41M0.00%+170,587+389.9%Added
Two Sigma Investments, LP207,155$1.36M0.00%+99,284+92.0%Added
UBS Group AG190,333$1.25M0.00%+63,931+50.6%Added
Qube Research & Technologies Ltd165,875$1.09M0.00%+165,875New
Renaissance Technologies LLC152,300$1.00M0.00%+117,300+335.1%Added
683 Capital Management, LLC150,697$991.6K0.08%+150,697New
Woodline Partners LP150,000$987.0K0.00%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.132,680$873.0K0.00%+132,680New
Rafferty Asset Management, LLC130,742$860.3K0.00%+130,742New
Bridgeway Capital Management, LLC120,449$792.6K0.02%00.0%Unchanged
Kingsview Wealth Management, LLC118,600$780.4K0.01%+28,600+31.8%Added
TD Asset Management Inc117,846$775.4K0.00%−27,334−18.8%Reduced
HighTower Advisors, LLC111,324$732.5K0.00%−21,135−16.0%Reduced
Northern Trust Corp109,061$717.6K0.00%+17,021+18.5%Added
Susquehanna International Group, LLP107,472$707.2K0.00%+107,472New
Jane Street Group, LLC102,034$671.4K0.00%+102,034New
Squarepoint Ops LLC92,256$607.0K0.00%+92,256New
Citadel Advisors LLC90,459$595.2K0.00%−852,685−90.4%Reduced
Hudson Bay Capital Management LP84,973$559.1K0.00%−17,475−17.1%Reduced
Landscape Capital Management, L.L.C.82,349$541.9K0.04%+82,349New
Prelude Capital Management, LLC80,000$526.4K0.04%+7,533+10.4%Added
Manufacturers Life Insurance Company, The69,738$469.2K0.00%+464+0.7%Added
Palumbo Wealth Management LLC63,273$416.3K0.10%+14,221+29.0%Added
Fox Run Management, L.L.C.51,773$340.7K0.05%+51,773New
Millennium Management LLC50,923$335.1K0.00%−185,858−78.5%Reduced
Omers Administration Corp47,800$314.5K0.00%+47,800New
Profund Advisors LLC47,135$310.1K0.01%+47,135New
Flower City Capital42,229$277.9K0.14%+13,000+44.5%Added
Citigroup Inc37,537$247.0K0.00%+36,741+4,615.7%Added
Two Sigma Advisers, LP31,800$209.2K0.00%+31,800New
EntryPoint Capital, LLC31,237$205.5K0.08%+31,237New
LPL Financial LLC29,125$191.6K0.00%+6,725+30.0%Added
CIBC Private Wealth Group, LLC28,500$187.5K0.00%−21,551−43.1%Reduced
Berman McAleer LLC25,000$164.5K0.02%00.0%Unchanged
First Manhattan Co24,245$159.5K0.00%00.0%Unchanged
Alethea Capital Management, LLC22,935$150.9K0.07%00.0%Unchanged
Charles Schwab Investment Management Inc22,344$147.0K0.00%00.0%Unchanged
Tidemark, LLC20,000$131.6K0.04%−24,400−55.0%Reduced
The PNC Financial Services Group, Inc.20,000$131.6K0.00%00.0%Unchanged
Resonant Capital Advisors, LLC20,000$131.6K0.01%00.0%Unchanged
Dimensional Fund Advisors LP19,562$128.7K0.00%00.0%Unchanged
Great Valley Advisor Group, Inc.19,000$125.0K0.00%+19,000New
Lighthouse Investment Partners, LLC17,760$116.9K0.00%+17,760New
Nations Financial Group Inc,16,000$105.3K0.01%+16,000New
China Universal Asset Management Co., Ltd.15,522$102.1K0.01%+10,522+210.4%Added
Wendell David Associates Inc15,000$99.0K0.01%00.0%Unchanged
Wells Fargo & Company15,000$98.7K0.00%00.0%Unchanged
Kelsey Financial, LLC14,099$92.8K0.08%+14,099New
Future Financial Wealth Managment LLC18,000$86.0K0.06%+13,000+260.0%Added
Simplex Trading, LLC12,950$85.2K0.00%+12,950New
Ausdal Financial Partners, Inc.11,000$72.4K0.00%+11,000New
Thayer Partners, LLC11,000$72.4K0.04%+11,000New
SummitTX Capital, L.P.10,469$68.9K0.00%+10,469New
Moors & Cabot, Inc.10,000$65.8K0.00%−1,000−9.1%Reduced
Mercer Global Advisors Inc10,000$65.8K0.00%00.0%Unchanged
Vontobel Holding Ltd.10,000$65.7K0.00%−11,500−53.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.7,627$51.3K0.00%+7,627New
JPMorgan Chase & Co6,765$44.5K0.00%+5,265+351.0%Added
Caitong International Asset Management Co., Ltd4,998$32.9K0.01%+4,998New
Advisor Group Holdings, Inc.4,300$28.3K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.3,138$20.6K0.00%+3,138New
BNP Paribas Arbitrage, SA2,240$14.7K0.00%+1,978+755.0%Added
Flagship Harbor Advisors, LLC1,500$9.87K0.00%+1,500New
GF Fund Management Co. Ltd.1,268$8.34K0.00%+1,268New
EverSource Wealth Advisors, LLC345$2.27K0.00%−87−20.1%Reduced
Tower Research Capital LLC (TRC)107$7040.00%+107New
Jones Financial Companies LLLP30$1970.00%+30New
ExodusPoint Capital Management, LP0$00.00%−1,516,833−100.0%Sold out
Logos Global Management LP0$00.00%−950,000−100.0%Sold out
Monashee Investment Management LLC0$00.00%−300,000−100.0%Sold out
Iridian Asset Management LLC0$00.00%−275,086−100.0%Sold out
AWM Investment Company, Inc.0$00.00%−150,000−100.0%Sold out
Avidity Partners Management LP0$00.00%−90,900−100.0%Sold out
Royal Bank of Canada0$00.00%−71,000−100.0%Sold out
XTX Topco Ltd0$00.00%−64,040−100.0%Sold out
Ameriprise Financial Inc0$00.00%−47,299−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−37,836−100.0%Sold out
CI Private Wealth, LLC0$00.00%−36,090−100.0%Sold out
Quadrature Capital Ltd0$00.00%−23,785−100.0%Sold out
Heights Capital Management, Inc0$00.00%−20,000−100.0%Sold out
Virtu Financial LLC0$00.00%−13,994−100.0%Sold out