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, Q1 2026
Institutional positions in Immuneering Corp as of Mar 31, 2026. 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
- 96
- +14 vs. Q4 2025
- Shares held
- 29.3M
- +478.0K (+1.7%) vs. Q4 2025
- Total value
- $154.3M
- −$35.4M (−18.7%) vs. Q4 2025
- New holders
- 30
- 28 more added
- Sold out
- 16
- 22 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 111 | $171.6M |
| Q1 2026 | 96 | $154.3M |
| Q4 2025 | 85 | $208.6M |
| Q3 2025 | 69 | $183.3M |
| Q2 2025 | 39 | $12.9M |
| Q1 2025 | 35 | $6.84M |
| Q4 2024 | 42 | $9.32M |
| Q3 2024 | 38 | $10.9M |
| Q2 2024 | 59 | $12.3M |
| Q1 2024 | 51 | $34.3M |
| Q4 2023 | 52 | $118.6M |
| Q3 2023 | 52 | $130.1M |
| Q2 2023 | 49 | $175.9M |
| Q1 2023 | 35 | $114.9M |
| Q4 2022 | 34 | $56.9M |
| Q3 2022 | 32 | $172.5M |
| Q2 2022 | 37 | $65.7M |
| Q1 2022 | 50 | $88.1M |
| Q4 2021 | 37 | $200.1M |
| Q3 2021 | 38 | $316.4M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Immuneering Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 9,697,938 | $51.1M | 0.00% | +12,443+0.1% | Added |
| Sanofi | 2,708,559 | $14.3M | 4.25% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 2,288,341 | $12.1M | 0.00% | +2,288,341 | New |
| Marshall Wace, LLP | 1,996,585 | $10.5M | 0.01% | +1,284,710+180.5% | Added |
| Price T Rowe Associates Inc | 1,829,188 | $9.64M | 0.00% | −164,770−8.3% | Reduced |
| BlackRock, Inc. | 1,507,258 | $7.94M | 0.00% | +55,552+3.8% | Added |
| Millennium Management LLC | 1,102,712 | $5.81M | 0.00% | +1,051,789+2,065.4% | Added |
| Geode Capital Management, LLC | 637,944 | $3.36M | 0.00% | +19,870+3.2% | Added |
| Occam Crest Management LP | 545,098 | $2.87M | 1.82% | +46,600+9.3% | Added |
| Citadel Advisors LLC | 447,278 | $2.36M | 0.00% | +356,819+394.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 400,363 | $2.11M | 0.00% | +267,683+201.8% | Added |
| Summit Financial, LLC | 376,749 | $1.99M | 0.03% | +376,749 | New |
| UBS Group AG | 376,284 | $1.98M | 0.00% | +185,951+97.7% | Added |
| Goldman Sachs Group Inc | 327,655 | $1.73M | 0.00% | +8,846+2.8% | Added |
| Vanguard Fiduciary Trust Co | 322,038 | $1.70M | 0.00% | +322,038 | New |
| Burkehill Global Management, LP | 300,000 | $1.58M | 0.08% | 00.0% | Unchanged |
| Morgan Stanley | 296,067 | $1.56M | 0.00% | −193,550−39.5% | Reduced |
| State Street Corp | 268,520 | $1.42M | 0.00% | −2,133,718−88.8% | Reduced |
| Two Sigma Investments, LP | 244,771 | $1.29M | 0.00% | +37,616+18.2% | Added |
| Squarepoint Ops LLC | 226,046 | $1.19M | 0.00% | +133,790+145.0% | Added |
| Diametric Capital, LP | 174,897 | $921.7K | 0.24% | −71,960−29.2% | Reduced |
| Wellington Management Group LLP | 156,424 | $824.4K | 0.00% | +156,424 | New |
| Bank of America Corp | 150,847 | $795.0K | 0.00% | −63,494−29.6% | Reduced |
| 683 Capital Management, LLC | 150,697 | $794.2K | 0.07% | 00.0% | Unchanged |
| DCF Advisers, LLC | 141,462 | $745.5K | 0.28% | −73,538−34.2% | Reduced |
| HighTower Advisors, LLC | 131,286 | $691.9K | 0.00% | +19,962+17.9% | Added |
| Prosight Management, LP | 123,409 | $650.4K | 0.11% | +123,409 | New |
| Kingsview Wealth Management, LLC | 122,200 | $644.0K | 0.01% | +3,600+3.0% | Added |
| Barclays PLC | 121,978 | $642.8K | 0.00% | −108,748−47.1% | Reduced |
| Bridgeway Capital Management, LLC | 118,149 | $622.6K | 0.01% | −2,300−1.9% | Reduced |
| Northern Trust Corp | 117,666 | $620.1K | 0.00% | +8,605+7.9% | Added |
| PVG Asset Management Corp | 146,661 | $614.5K | 0.36% | +146,661 | New |
| Susquehanna International Group, LLP | 105,507 | $556.0K | 0.00% | −1,965−1.8% | Reduced |
| Hudson Bay Capital Management LP | 95,889 | $505.3K | 0.00% | +10,916+12.8% | Added |
| TD Asset Management Inc | 94,340 | $497.2K | 0.00% | −23,506−19.9% | Reduced |
| Weiss Asset Management LP | 87,985 | $463.7K | 0.01% | +87,985 | New |
| Brevan Howard Capital Management LP | 86,236 | $454.5K | 0.00% | +86,236 | New |
| Jane Street Group, LLC | 77,414 | $408.0K | 0.00% | −24,620−24.1% | Reduced |
| Gsa Capital Partners LLP | 76,752 | $404.0K | 0.03% | +76,752 | New |
| Renaissance Technologies LLC | 72,875 | $384.1K | 0.00% | −79,425−52.2% | Reduced |
| Manufacturers Life Insurance Company, The | 69,738 | $367.5K | 0.00% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 67,495 | $355.7K | 0.02% | −14,854−18.0% | Reduced |
| Clearstead Advisors, LLC | 60,865 | $320.8K | 0.00% | +60,865 | New |
| Flower City Capital | 55,029 | $290.0K | 0.15% | +12,800+30.3% | Added |
| HRT Financial LP | 42,456 | $223.0K | 0.00% | +42,456 | New |
| Citigroup Inc | 40,417 | $213.0K | 0.00% | +2,880+7.7% | Added |
| HSBC Holdings PLC | 37,771 | $197.5K | 0.00% | +37,771 | New |
| Charles Schwab Investment Management Inc | 37,344 | $196.8K | 0.00% | +15,000+67.1% | Added |
| American Century Companies Inc | 34,224 | $180.4K | 0.00% | +34,224 | New |
| Oppenheimer & Co Inc | 34,000 | $179.2K | 0.00% | +34,000 | New |
| Prelude Capital Management, LLC | 29,219 | $154.0K | 0.01% | −50,781−63.5% | Reduced |
| Berman McAleer LLC | 25,000 | $131.8K | 0.02% | 00.0% | Unchanged |
| LPL Financial LLC | 24,345 | $128.3K | 0.00% | −4,780−16.4% | Reduced |
| First Manhattan Co | 24,245 | $127.8K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 24,243 | $127.8K | 0.00% | +24,243 | New |
| CIBC Bancorp USA Inc. | 23,500 | $123.8K | 0.00% | +23,500 | New |
| Alethea Capital Management, LLC | 22,935 | $120.9K | 0.06% | 00.0% | Unchanged |
| Omers Administration Corp | 22,400 | $118.0K | 0.00% | −25,400−53.1% | Reduced |
| Envestnet Asset Management Inc | 21,863 | $115.2K | 0.00% | +21,863 | New |
| Great Valley Advisor Group, Inc. | 21,120 | $111.7K | 0.00% | +2,120+11.2% | Added |
| The PNC Financial Services Group, Inc. | 20,000 | $105.4K | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 20,000 | $105.0K | 0.05% | +20,000 | New |
| Future Financial Wealth Managment LLC | 18,000 | $103.5K | 0.07% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 19,562 | $103.1K | 0.00% | 00.0% | Unchanged |
| Palumbo Wealth Management LLC | 18,670 | $98.4K | 0.02% | −44,603−70.5% | Reduced |
| Nations Financial Group Inc, | 17,000 | $89.6K | 0.00% | +1,000+6.3% | Added |
| Wells Fargo & Company | 16,800 | $88.5K | 0.00% | +1,800+12.0% | Added |
| Schonfeld Strategic Advisors LLC | 15,900 | $83.8K | 0.00% | +15,900 | New |
| Kelsey Financial, LLC | 15,099 | $79.6K | 0.07% | +1,000+7.1% | Added |
| Wendell David Associates Inc | 15,000 | $79.0K | 0.01% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 14,280 | $75.3K | 0.00% | +14,280 | New |
| Catalyst Funds Management Pty Ltd | 12,800 | $67.5K | 0.01% | +12,800 | New |
| Cetera Investment Advisers | 12,649 | $66.7K | 0.00% | +12,649 | New |
| Jump Financial, LLC | 12,250 | $64.6K | 0.00% | +12,250 | New |
| China Universal Asset Management Co., Ltd. | 11,458 | $60.4K | 0.00% | −4,064−26.2% | Reduced |
| Ausdal Financial Partners, Inc. | 11,000 | $58.0K | 0.00% | 00.0% | Unchanged |
| Atria Investments LLC | 10,758 | $56.7K | 0.00% | +10,758 | New |
| Thayer Partners, LLC | 11,000 | $53.7K | 0.03% | 00.0% | Unchanged |
| Tidemark, LLC | 10,000 | $52.7K | 0.01% | −10,000−50.0% | Reduced |
| Moors & Cabot, Inc. | 10,000 | $52.7K | 0.00% | 00.0% | Unchanged |
| Levin Capital Strategies, L.P. | 10,000 | $52.7K | 0.00% | +10,000 | New |
| Caitong International Asset Management Co., Ltd | 9,151 | $48.2K | 0.01% | +4,153+83.1% | Added |
| Simplex Trading, LLC | 8,942 | $47.1K | 0.00% | −4,008−30.9% | Reduced |
| JPMorgan Chase & Co | 6,419 | $31.3K | 0.00% | −346−5.1% | Reduced |
| Tower Research Capital LLC (TRC) | 5,058 | $26.7K | 0.00% | +4,951+4,627.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,368 | $17.7K | 0.00% | +230+7.3% | Added |
| Group One Trading, L.P. | 3,029 | $16.0K | 0.00% | +3,029 | New |
| BNP Paribas Arbitrage, SA | 2,276 | $12.0K | 0.00% | +36+1.6% | Added |
| Quantbot Technologies LP | 1,632 | $8.60K | 0.00% | +1,632 | New |
| GF Fund Management Co. Ltd. | 1,442 | $7.60K | 0.00% | +174+13.7% | Added |
| Natixis | 380 | $2.00K | 0.00% | +380 | New |
| EverSource Wealth Advisors, LLC | 345 | $1.82K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 360 | $1.00K | 0.00% | +360 | New |
| Fortitude Family Office, LLC | 105 | $553 | 0.00% | +105 | New |
| Jones Financial Companies LLLP | 30 | $149 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4 | $21 | 0.00% | −4,296−99.9% | Reduced |
| Empery Asset Management, LP | 0 | $0 | 0.00% | −2,674,950−100.0% | Sold out |
| Blue Owl Capital Holdings LP | 0 | $0 | 0.00% | −665,000−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −165,875−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |