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 |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 4 | $21 | 0.00% | −4,296−99.9% | Reduced |
| Jones Financial Companies LLLP | 30 | $149 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 105 | $553 | 0.00% | +105 | New |
| Royal Bank of Canada | 360 | $1.00K | 0.00% | +360 | New |
| EverSource Wealth Advisors, LLC | 345 | $1.82K | 0.00% | 00.0% | Unchanged |
| Natixis | 380 | $2.00K | 0.00% | +380 | New |
| GF Fund Management Co. Ltd. | 1,442 | $7.60K | 0.00% | +174+13.7% | Added |
| Quantbot Technologies LP | 1,632 | $8.60K | 0.00% | +1,632 | New |
| BNP Paribas Arbitrage, SA | 2,276 | $12.0K | 0.00% | +36+1.6% | Added |
| Group One Trading, L.P. | 3,029 | $16.0K | 0.00% | +3,029 | New |
| Mirae Asset Global Investments Co., Ltd. | 3,368 | $17.7K | 0.00% | +230+7.3% | Added |
| Tower Research Capital LLC (TRC) | 5,058 | $26.7K | 0.00% | +4,951+4,627.1% | Added |
| JPMorgan Chase & Co | 6,419 | $31.3K | 0.00% | −346−5.1% | Reduced |
| Simplex Trading, LLC | 8,942 | $47.1K | 0.00% | −4,008−30.9% | Reduced |
| Caitong International Asset Management Co., Ltd | 9,151 | $48.2K | 0.01% | +4,153+83.1% | Added |
| 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 |
| Thayer Partners, LLC | 11,000 | $53.7K | 0.03% | 00.0% | Unchanged |
| Atria Investments LLC | 10,758 | $56.7K | 0.00% | +10,758 | New |
| Ausdal Financial Partners, Inc. | 11,000 | $58.0K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 11,458 | $60.4K | 0.00% | −4,064−26.2% | Reduced |
| Jump Financial, LLC | 12,250 | $64.6K | 0.00% | +12,250 | New |
| Cetera Investment Advisers | 12,649 | $66.7K | 0.00% | +12,649 | New |
| Catalyst Funds Management Pty Ltd | 12,800 | $67.5K | 0.01% | +12,800 | New |
| Y-Intercept (Hong Kong) Ltd | 14,280 | $75.3K | 0.00% | +14,280 | New |
| Wendell David Associates Inc | 15,000 | $79.0K | 0.01% | 00.0% | Unchanged |
| Kelsey Financial, LLC | 15,099 | $79.6K | 0.07% | +1,000+7.1% | Added |
| Schonfeld Strategic Advisors LLC | 15,900 | $83.8K | 0.00% | +15,900 | New |
| Wells Fargo & Company | 16,800 | $88.5K | 0.00% | +1,800+12.0% | Added |
| Nations Financial Group Inc, | 17,000 | $89.6K | 0.00% | +1,000+6.3% | Added |
| Palumbo Wealth Management LLC | 18,670 | $98.4K | 0.02% | −44,603−70.5% | Reduced |
| Dimensional Fund Advisors LP | 19,562 | $103.1K | 0.00% | 00.0% | Unchanged |
| Future Financial Wealth Managment LLC | 18,000 | $103.5K | 0.07% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 20,000 | $105.0K | 0.05% | +20,000 | New |
| The PNC Financial Services Group, Inc. | 20,000 | $105.4K | 0.00% | 00.0% | Unchanged |
| Great Valley Advisor Group, Inc. | 21,120 | $111.7K | 0.00% | +2,120+11.2% | Added |
| Envestnet Asset Management Inc | 21,863 | $115.2K | 0.00% | +21,863 | New |
| Omers Administration Corp | 22,400 | $118.0K | 0.00% | −25,400−53.1% | Reduced |
| Alethea Capital Management, LLC | 22,935 | $120.9K | 0.06% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 23,500 | $123.8K | 0.00% | +23,500 | New |
| Vanguard Global Advisers, LLC | 24,243 | $127.8K | 0.00% | +24,243 | New |
| First Manhattan Co | 24,245 | $127.8K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 24,345 | $128.3K | 0.00% | −4,780−16.4% | Reduced |
| Berman McAleer LLC | 25,000 | $131.8K | 0.02% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 29,219 | $154.0K | 0.01% | −50,781−63.5% | Reduced |
| Oppenheimer & Co Inc | 34,000 | $179.2K | 0.00% | +34,000 | New |
| American Century Companies Inc | 34,224 | $180.4K | 0.00% | +34,224 | New |
| Charles Schwab Investment Management Inc | 37,344 | $196.8K | 0.00% | +15,000+67.1% | Added |
| HSBC Holdings PLC | 37,771 | $197.5K | 0.00% | +37,771 | New |
| Citigroup Inc | 40,417 | $213.0K | 0.00% | +2,880+7.7% | Added |
| HRT Financial LP | 42,456 | $223.0K | 0.00% | +42,456 | New |
| Flower City Capital | 55,029 | $290.0K | 0.15% | +12,800+30.3% | Added |
| Clearstead Advisors, LLC | 60,865 | $320.8K | 0.00% | +60,865 | New |
| Landscape Capital Management, L.L.C. | 67,495 | $355.7K | 0.02% | −14,854−18.0% | Reduced |
| Manufacturers Life Insurance Company, The | 69,738 | $367.5K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 72,875 | $384.1K | 0.00% | −79,425−52.2% | Reduced |
| Gsa Capital Partners LLP | 76,752 | $404.0K | 0.03% | +76,752 | New |
| Jane Street Group, LLC | 77,414 | $408.0K | 0.00% | −24,620−24.1% | Reduced |
| Brevan Howard Capital Management LP | 86,236 | $454.5K | 0.00% | +86,236 | New |
| Weiss Asset Management LP | 87,985 | $463.7K | 0.01% | +87,985 | New |
| TD Asset Management Inc | 94,340 | $497.2K | 0.00% | −23,506−19.9% | Reduced |
| Hudson Bay Capital Management LP | 95,889 | $505.3K | 0.00% | +10,916+12.8% | Added |
| Susquehanna International Group, LLP | 105,507 | $556.0K | 0.00% | −1,965−1.8% | Reduced |
| PVG Asset Management Corp | 146,661 | $614.5K | 0.36% | +146,661 | New |
| Northern Trust Corp | 117,666 | $620.1K | 0.00% | +8,605+7.9% | Added |
| Bridgeway Capital Management, LLC | 118,149 | $622.6K | 0.01% | −2,300−1.9% | Reduced |
| Barclays PLC | 121,978 | $642.8K | 0.00% | −108,748−47.1% | Reduced |
| Kingsview Wealth Management, LLC | 122,200 | $644.0K | 0.01% | +3,600+3.0% | Added |
| Prosight Management, LP | 123,409 | $650.4K | 0.11% | +123,409 | New |
| HighTower Advisors, LLC | 131,286 | $691.9K | 0.00% | +19,962+17.9% | Added |
| DCF Advisers, LLC | 141,462 | $745.5K | 0.28% | −73,538−34.2% | Reduced |
| 683 Capital Management, LLC | 150,697 | $794.2K | 0.07% | 00.0% | Unchanged |
| Bank of America Corp | 150,847 | $795.0K | 0.00% | −63,494−29.6% | Reduced |
| Wellington Management Group LLP | 156,424 | $824.4K | 0.00% | +156,424 | New |
| Diametric Capital, LP | 174,897 | $921.7K | 0.24% | −71,960−29.2% | Reduced |
| Squarepoint Ops LLC | 226,046 | $1.19M | 0.00% | +133,790+145.0% | Added |
| Two Sigma Investments, LP | 244,771 | $1.29M | 0.00% | +37,616+18.2% | Added |
| State Street Corp | 268,520 | $1.42M | 0.00% | −2,133,718−88.8% | Reduced |
| Morgan Stanley | 296,067 | $1.56M | 0.00% | −193,550−39.5% | Reduced |
| Burkehill Global Management, LP | 300,000 | $1.58M | 0.08% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 322,038 | $1.70M | 0.00% | +322,038 | New |
| Goldman Sachs Group Inc | 327,655 | $1.73M | 0.00% | +8,846+2.8% | Added |
| UBS Group AG | 376,284 | $1.98M | 0.00% | +185,951+97.7% | Added |
| Summit Financial, LLC | 376,749 | $1.99M | 0.03% | +376,749 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 400,363 | $2.11M | 0.00% | +267,683+201.8% | Added |
| Citadel Advisors LLC | 447,278 | $2.36M | 0.00% | +356,819+394.5% | Added |
| Occam Crest Management LP | 545,098 | $2.87M | 1.82% | +46,600+9.3% | Added |
| Geode Capital Management, LLC | 637,944 | $3.36M | 0.00% | +19,870+3.2% | Added |
| Millennium Management LLC | 1,102,712 | $5.81M | 0.00% | +1,051,789+2,065.4% | Added |
| BlackRock, Inc. | 1,507,258 | $7.94M | 0.00% | +55,552+3.8% | Added |
| Price T Rowe Associates Inc | 1,829,188 | $9.64M | 0.00% | −164,770−8.3% | Reduced |
| Marshall Wace, LLP | 1,996,585 | $10.5M | 0.01% | +1,284,710+180.5% | Added |
| Vanguard Capital Management LLC | 2,288,341 | $12.1M | 0.00% | +2,288,341 | New |
| Sanofi | 2,708,559 | $14.3M | 4.25% | 00.0% | Unchanged |
| FMR LLC | 9,697,938 | $51.1M | 0.00% | +12,443+0.1% | Added |
| 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 |