Immuneering Corp. Class AIMRX
13F holders, Q2 2026 (June 30)111holders +16
37new positions
21sold out
4famous investors
$4.98avg. 13F price*
At the end of Q2 2026, 111 institutions reported holding Immuneering Corp. Class A (IMRX) in their 13F filings, up 16 from Q1 2026. 37 opened new positions and 21 sold out. The largest holders were FMR LLC ($48.4M), BlackRock, Inc. ($21.8M) and Sanofi ($13.5M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Immuneering Corp. Class A
- CUSIP
- 45254E107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 37 | $10.7M |
| Exits | 21 | $6.2M |
All 13F filers, Q1 2026 → Q2 2026: 9,484,518 shares bought and 4,345,303 shares sold, net +5,139,215 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 111 holders
| FMR LLC | 0.00% | Add +0.1% | 9,704,610 | $48.4M |
| BlackRock, Inc. | 0.00% | Add +190.2% | 4,374,020 | $21.8M |
| Sanofi | 2.53% | No change | 2,708,559 | $13.5M |
| Vanguard Capital Management LLC | 0.00% | Reduce -0.1% | 2,286,434 | $11.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +5.8% | 1,936,076 | $9.7M |
| Geode Capital Management, LLC | 0.00% | Add +114.9% | 1,370,750 | $6.8M |
| State Street Corp. | 0.00% | Add +273.1% | 1,001,995 | $5.0M |
| DCF Advisers, LLC | 1.03% | Add +458.4% | 790,000 | $3.9M |
| Marshall Wace, LLP | 0.00% | Reduce -63.3% | 731,897 | $3.7M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +50.2% | 601,255 | $3.0M |
| Alethea Capital Management, LLC | 0.98% | Add +1962.1% | 472,935 | $2.4M |
| Summit Financial, LLC | 0.02% | Add +20.0% | 452,264 | $2.3M |
| UBS Group AG | 0.00% | Add +19.3% | 448,857 | $2.2M |
| Nuveen, LLC | 0.00% | New | 438,362 | $2.2M |
| Northern Trust Corp. | 0.00% | Add +271.4% | 436,992 | $2.2M |
| Levin Capital Strategies, L.P. | 0.14% | Add +4040.0% | 414,000 | $2.1M |
| Citadel Advisors | 0.00% | Reduce -13.6% | 386,411 | $1.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +12.0% | 360,764 | $1.8M |
| Vanguard Portfolio Management LLC | 0.00% | New | 359,085 | $1.8M |
| Gsa Capital Partners LLP | 0.11% | Add +347.3% | 343,303 | $1.7M |
| Millennium Management | 0.00% | Reduce -70.0% | 330,402 | $1.6M |
| Burkehill Global Management, LP | 0.06% | No change | 300,000 | $1.5M |
| Two Sigma Investments, LP | 0.00% | Add +17.8% | 288,420 | $1.4M |
| Morgan Stanley | 0.00% | Reduce -23.5% | 226,491 | $1.1M |
| Occam Crest Management LP | 0.62% | Reduce -48.9% | 278,498 | $1.1M |
| D. E. Shaw & Co. | 0.00% | New | 203,663 | $1.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +349.6% | 167,901 | $838K |
| Permanent Capital Management, LP | 0.10% | New | 150,000 | $749K |
| PVG Asset Management Corp. | 0.42% | Reduce -0.1% | 146,451 | $731K |
| HighTower Advisors, LLC | 0.00% | Add +9.3% | 143,486 | $716K |
| Bank of New York Mellon Corp | 0.00% | New | 132,004 | $659K |
| Kingsview Wealth Management, LLC | 0.01% | Add +0.7% | 123,000 | $614K |
| Bank of America Corp. | 0.00% | Reduce -23.2% | 115,845 | $578K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -8.5% | 108,149 | $540K |
| Envestnet Asset Management Inc. | 0.00% | Add +384.0% | 105,809 | $528K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -70.6% | 96,220 | $480K |
| Fisher Asset Management | 0.00% | New | 88,333 | $441K |
| Corient Private Wealth LP | 0.00% | New | 77,090 | $385K |
| Ameriprise Financial Inc. | 0.00% | New | 71,454 | $357K |
| Susquehanna International Group, LLP | 0.00% | Reduce -34.5% | 69,053 | $345K |
| Rhumbline Advisers | 0.00% | New | 65,914 | $329K |
| Alps Advisors Inc. | 0.00% | New | 65,658 | $328K |
| TD Asset Management Inc | 0.00% | Reduce -30.9% | 65,196 | $325K |
| XTX Topco Ltd | 0.00% | New | 64,395 | $321K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -10.9% | 62,141 | $310K |
| Clearstead Advisors, LLC | 0.00% | No change | 60,865 | $304K |
| American Century Companies Inc. | 0.00% | Add +74.0% | 59,558 | $297K |
| Squarepoint Ops LLC | 0.00% | Reduce -74.5% | 57,689 | $288K |
| Alliancebernstein L.P. | 0.00% | New | 52,730 | $278K |
| Brandywine Managers, LLC | 0.14% | New | 55,066 | $275K |
| Flower City Capital | 0.12% | No change | 55,029 | $275K |
| Deutsche Bank AG | 0.00% | New | 52,306 | $261K |
| Wells Fargo & Company | 0.00% | Add +178.0% | 46,704 | $233K |
| Wealth Effects LLC | 0.05% | New | 40,100 | $200K |
| LPL Financial LLC | 0.00% | Add +52.1% | 37,030 | $185K |
| Prosight Management, LP | 0.03% | Reduce -70.1% | 36,861 | $184K |
| Oppenheimer & Co. Inc. | 0.00% | Add +2.9% | 35,000 | $175K |
| MetLife Investment Management, LLC | 0.00% | New | 33,479 | $167K |
| JPMorgan Chase & Co. | 0.00% | Add +406.6% | 32,520 | $164K |
| Invesco Ltd. | 0.00% | New | 31,176 | $156K |
| Citigroup Inc. | 0.00% | Reduce -34.9% | 26,313 | $131K |
| Berman McAleer LLC | 0.01% | No change | 25,000 | $125K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 24,585 | $123K |
| CIBC Bancorp USA Inc. | 0.00% | Add +4.1% | 24,460 | $122K |
| First Manhattan Co. Llc. | 0.00% | No change | 24,245 | $121K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 24,243 | $121K |
| Cerity Partners LLC | 0.00% | New | 24,175 | $121K |
| Cetera Investment Advisers | 0.00% | Add +77.5% | 22,446 | $112K |
| Great Valley Advisor Group, Inc. | 0.00% | No change | 21,120 | $106K |
| Barclays PLC | 0.00% | Reduce -83.3% | 20,358 | $102K |
| FNY Investment Advisers, LLC | 0.04% | No change | 20,000 | $99K |
| Dimensional Fund Advisors LP | 0.00% | No change | 19,562 | $98K |
| BNP Paribas Financial Markets | 0.00% | Add +753.3% | 19,420 | $97K |
| Palumbo Wealth Management LLC | 0.02% | Add +2.2% | 19,083 | $95K |
| WINTON GROUP Ltd | 0.00% | New | 17,200 | $86K |
| Nations Financial Group Inc, /Ia/ | 0.00% | No change | 17,000 | $85K |
| Kelsey Financial, LLC | 0.06% | Add +8.8% | 16,425 | $82K |
| Future Financial Wealth Managment LLC | 0.05% | No change | 18,000 | $79K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 15,814 | $79K |
| Wendell David Associates Inc. | 0.01% | No change | 15,000 | $75K |
| China Universal Asset Management Co., Ltd. | 0.00% | Add +11.7% | 12,797 | $64K |
| Jump Financial, LLC | 0.00% | Add +3.7% | 12,700 | $63K |
| Focus Financial Network, Inc. | 0.00% | New | 12,500 | $62K |
| New York State Common Retirement Fund | 0.00% | New | 12,100 | $60K |
| Quantbot Technologies LP | 0.00% | Add +613.9% | 11,650 | $58K |
| Royal Bank of Canada | 0.00% | Add +2971.4% | 11,057 | $56K |
| Thayer Partners, LLC / MA | 0.02% | No change | 11,000 | $55K |
| Intech Investment Management LLC | 0.00% | New | 10,764 | $54K |
| Voya Investment Management LLC | 0.00% | New | 10,143 | $51K |
| Tidemark, LLC | 0.01% | No change | 10,000 | $50K |
| Ausdal Financial Partners, Inc. | 0.00% | Reduce -9.1% | 10,000 | $50K |
| Moors & Cabot, Inc. | 0.00% | No change | 10,000 | $50K |
| VestGen Advisors, LLC | 0.00% | New | 10,000 | $50K |
| State of Wyoming | 0.00% | New | 5,796 | $29K |
| Legal & General Group Plc | 0.00% | New | 5,203 | $26K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 4,866 | $24K |
| Group One Trading LLC | 0.00% | Add +58.2% | 4,791 | $24K |
| Russell Investments Group, Ltd. | 0.00% | New | 4,287 | $21K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -14.1% | 2,894 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -47.2% | 2,672 | $13K |
"% of holder's portfolio" is IMRX's weight in each manager's 13F, not the share of Immuneering Corp. Class A the manager owns.