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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, Q3 2025

Institutional positions in Immuneering Corp as of Sep 30, 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
69
+30 vs. Q2 2025
Shares held
26.2M
+22.4M (+583.8%) vs. Q2 2025
Total value
$183.3M
+$170.4M (+1,320.4%) vs. Q2 2025
New holders
34
23 more added
Sold out
4
7 more reduced

Compare with Q2 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 holdersQ3 2025: 69 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 heldQ3 2025: $183.3M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Immuneering Corp; share changes are against Q2 2025.

Institutions holding IMRX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC8,787,052$61.5M0.00%+8,566,052+3,876.0%Added
Sanofi2,708,559$19.0M7.28%+2,708,559New
Vanguard Group Inc2,415,244$16.9M0.00%+1,358,322+128.5%Added
Price T Rowe Associates Inc1,798,782$12.6M0.00%+1,798,782New
ExodusPoint Capital Management, LP1,516,833$10.6M0.15%+1,516,833New
Logos Global Management LP950,000$6.65M0.66%+950,000New
Citadel Advisors LLC943,144$6.60M0.01%+943,144New
BlackRock, Inc.681,185$4.77M0.00%+258,427+61.1%Added
Blue Owl Capital Holdings LP550,000$3.85M1.20%+550,000New
Geode Capital Management, LLC513,665$3.60M0.00%+283,390+123.1%Added
Occam Crest Management LP498,498$3.49M2.37%+498,498New
Monashee Investment Management LLC300,000$2.10M1.05%+300,000New
Burkehill Global Management, LP300,000$2.10M0.12%+300,000New
Morgan Stanley294,857$2.06M0.00%+93,763+46.6%Added
Iridian Asset Management LLC275,086$1.93M0.76%+275,086New
Southport Management, L.L.C.272,501$1.91M7.87%+27,501+11.2%Added
Marshall Wace, LLP271,304$1.90M0.00%−302,560−52.7%Reduced
Diametric Capital, LP252,193$1.77M0.65%+252,193New
Millennium Management LLC236,781$1.66M0.00%+174,532+280.4%Added
State Street Corp172,864$1.21M0.00%+75,529+77.6%Added
AWM Investment Company, Inc.150,000$1.05M0.10%+150,000New
Woodline Partners LP150,000$1.05M0.00%+150,000New
DCF Advisers, LLC147,000$1.03M0.39%+147,000New
TD Asset Management Inc145,180$1.02M0.00%+145,180New
HighTower Advisors, LLC132,459$927.2K0.00%−3,501−2.6%Reduced
UBS Group AG126,402$884.8K0.00%+121,329+2,391.7%Added
Bridgeway Capital Management, LLC120,449$843.1K0.02%+25,000+26.2%Added
Two Sigma Investments, LP107,871$755.1K0.00%+89,318+481.4%Added
Hudson Bay Capital Management LP102,448$717.1K0.00%+102,448New
Northern Trust Corp92,040$644.3K0.00%+52,311+131.7%Added
Avidity Partners Management LP90,900$636.3K0.14%+90,900New
Kingsview Wealth Management, LLC90,000$630.0K0.01%+76,000+542.9%Added
Prelude Capital Management, LLC72,467$507.3K0.04%+72,467New
Royal Bank of Canada71,000$497.0K0.00%+50,040+238.7%Added
Manufacturers Life Insurance Company, The69,274$484.9K0.00%+69,274New
XTX Topco Ltd64,040$448.3K0.02%+37,211+138.7%Added
CIBC Private Wealth Group, LLC50,051$350.4K0.00%+35,051+233.7%Added
Palumbo Wealth Management LLC49,052$343.4K0.11%+49,052New
Ameriprise Financial Inc47,299$331.1K0.00%+47,299New
Tidemark, LLC44,400$310.8K0.09%00.0%Unchanged
Bank of America Corp43,754$306.3K0.00%+15,262+53.6%Added
Gsa Capital Partners LLP37,836$265.0K0.02%+37,836New
CI Private Wealth, LLC36,090$252.6K0.00%−27,650−43.4%Reduced
Renaissance Technologies LLC35,000$245.0K0.00%+16,800+92.3%Added
Flower City Capital29,229$204.6K0.11%−2,800−8.7%Reduced
Berman McAleer LLC25,000$175.0K0.02%+25,000New
First Manhattan Co24,245$169.7K0.00%−8,080−25.0%Reduced
Quadrature Capital Ltd23,785$165.9K0.00%+23,785New
Alethea Capital Management, LLC22,935$160.5K0.10%00.0%Unchanged
LPL Financial LLC22,400$156.8K0.00%+22,400New
Charles Schwab Investment Management Inc22,344$156.4K0.00%+10,344+86.2%Added
Barclays PLC22,118$154.8K0.00%+12,194+122.9%Added
Vontobel Holding Ltd.21,500$150.0K0.00%+21,500New
The PNC Financial Services Group, Inc.20,000$140.0K0.00%00.0%Unchanged
Heights Capital Management, Inc20,000$140.0K0.04%+20,000New
Resonant Capital Advisors, LLC20,000$140.0K0.01%+20,000New
Dimensional Fund Advisors LP19,562$136.9K0.00%+6,196+46.4%Added
Wells Fargo & Company15,000$105.0K0.00%+5,000+50.0%Added
Wendell David Associates Inc15,000$105.0K0.01%+15,000New
Virtu Financial LLC13,994$98.0K0.01%+13,994New
Moors & Cabot, Inc.11,000$77.0K0.00%+11,000New
Mercer Global Advisors Inc10,000$70.0K0.00%+10,000New
Future Financial Wealth Managment LLC5,000$35.0K0.02%+5,000New
China Universal Asset Management Co., Ltd.5,000$35.0K0.00%+5,000New
Advisor Group Holdings, Inc.4,300$30.1K0.00%00.0%Unchanged
JPMorgan Chase & Co1,500$10.5K0.00%−474−24.0%Reduced
Citigroup Inc796$5.57K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC432$3.02K0.00%+87+25.2%Added
BNP Paribas Arbitrage, SA262$1.83K0.00%−25−8.7%Reduced
Cubist Systematic Strategies, LLC0$00.00%−29,404−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−2,984−100.0%Sold out
SBI Securities Co., Ltd.0$00.00%−74−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−16−100.0%Sold out