Immuneering Corp - IMRX
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 7 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FMR LLC | History | Added to | 9,685,495 | 63,730 | 0.0% | 0.0% | 1 | +898,443 | 10.22% | Q4 2025 | Feb 17, 2026 |
| Sanofi | History | No change | 2,708,559 | 17,822 | 5.74% | 7.28% | 2 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| Empery Asset Management, LP | History | New | 2,674,950 | 17,601 | 15.52% | — | 3 | +2,674,950 | New | Q4 2025 | Feb 11, 2026 |
| VANGUARD GROUP INC | History | Added to | 2,568,293 | 16,899 | 0.0% | 0.0% | 4 | +153,049 | 6.34% | Q4 2025 | Jan 29, 2026 |
| STATE STREET CORP | History | Added to | 2,402,238 | 15,806 | 0.0% | 0.0% | 5 | +2,229,374 | 1289.67% | Q4 2025 | Feb 13, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Added to | 1,993,958 | 13,121 | 0.0% | 0.0% | 6 | +195,176 | 10.85% | Q4 2025 | Feb 17, 2026 |
| BlackRock, Inc. | History | Added to | 1,451,706 | 9,552 | 0.0% | 0.0% | 7 | +770,521 | 113.11% | Q4 2025 | Feb 12, 2026 |
| MARSHALL WACE, LLP | History | Added to | 711,875 | 4,684 | 0.0% | 0.0% | 8 | +440,571 | 162.39% | Q4 2025 | Feb 13, 2026 |
| Blue Owl Capital Holdings LP | History | Added to | 665,000 | 4,375 | 1.35% | 1.2% | 9 | +115,000 | 20.91% | Q4 2025 | Feb 20, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 618,074 | 4,068 | 0.0% | 0.0% | 10 | +104,409 | 20.33% | Q4 2025 | Feb 09, 2026 |
| Occam Crest Management LP | History | No change | 498,498 | 3,280 | 2.28% | 2.12% | 11 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| MORGAN STANLEY | History | Added to | 489,617 | 3,221 | 0.0% | 0.0% | 12 | +194,760 | 66.05% | Q4 2025 | Feb 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | New | 318,809 | 2,097 | 0.0% | — | 13 | +318,809 | New | Q4 2025 | Mar 25, 2026 |
| Burkehill Global Management, LP | History | No change | 300,000 | 1,974 | 0.13% | 0.12% | 14 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| SOUTHPORT MANAGEMENT, L.L.C. | History | Added to | 277,501 | 1,825 | 6.37% | 7.87% | 15 | +5,000 | 1.83% | Q4 2025 | Feb 13, 2026 |
| Diametric Capital, LP | History | Reduced | 246,857 | 1,624 | 0.44% | 0.65% | 16 | -5,336 | -2.12% | Q4 2025 | Feb 13, 2026 |
| BARCLAYS PLC | History | Added to | 230,726 | 1,518 | 0.0% | 0.0% | 17 | +208,608 | 943.16% | Q4 2025 | Feb 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 223,172 | 1,468 | 0.0% | — | 18 | +223,172 | New | Q4 2025 | Feb 17, 2026 |
| DCF Advisers, LLC | History | New | 215,000 | 1,414 | 0.38% | — | 19 | +215,000 | New | Q4 2025 | Feb 11, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 214,341 | 1,410 | 0.0% | 0.0% | 20 | +170,587 | 389.88% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 207,155 | 1,363 | 0.0% | 0.0% | 21 | +99,284 | 92.04% | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Added to | 190,333 | 1,252 | 0.0% | 0.0% | 22 | +63,931 | 50.58% | Q4 2025 | Jan 29, 2026 |
| JANE STREET GROUP, LLC | History | New | 189,234 | 1,245 | 0.0% | — | 23 | +189,234 | New | Q4 2025 | Feb 12, 2026 |
| Qube Research & Technologies Ltd | History | New | 165,875 | 1,091 | 0.0% | — | 24 | +165,875 | New | Q4 2025 | Feb 17, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 158,759 | 1,044 | 0.0% | 0.0% | 25 | -784,385 | -83.17% | Q4 2025 | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 152,300 | 1,002 | 0.0% | 0.0% | 26 | +117,300 | 335.14% | Q4 2025 | Feb 12, 2026 |
| 683 Capital Management, LLC | History | New | 150,697 | 991 | 0.04% | — | 27 | +150,697 | New | Q4 2025 | Feb 17, 2026 |
| Caption Management, LLC | History | New | 150,000 | 987 | 0.01% | — | 28 | +150,000 | New | Q4 2025 | Feb 17, 2026 |
| Woodline Partners LP | History | No change | 150,000 | 987 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | New | 132,680 | 873 | 0.0% | — | 30 | +132,680 | New | Q4 2025 | Feb 10, 2026 |
| Rafferty Asset Management, LLC | History | New | 130,742 | 860 | 0.0% | — | 31 | +130,742 | New | Q4 2025 | Feb 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 120,449 | 792 | 0.02% | 0.02% | 32 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Kingsview Wealth Management, LLC | History | Added to | 118,600 | 780 | 0.01% | 0.01% | 33 | +28,600 | 31.78% | Q4 2025 | Feb 09, 2026 |
| TD ASSET MANAGEMENT INC | History | Reduced | 117,846 | 775 | 0.0% | 0.0% | 34 | -27,334 | -18.83% | Q4 2025 | Feb 10, 2026 |
| HighTower Advisors, LLC | History | Reduced | 111,324 | 732 | 0.0% | 0.0% | 35 | -21,135 | -15.96% | Q4 2025 | Feb 06, 2026 |
| NORTHERN TRUST CORP | History | Added to | 109,061 | 717 | 0.0% | 0.0% | 36 | +17,021 | 18.49% | Q4 2025 | Feb 17, 2026 |
| Squarepoint Ops LLC | History | New | 92,256 | 607 | 0.0% | — | 37 | +92,256 | New | Q4 2025 | Feb 13, 2026 |
| Hudson Bay Capital Management LP | History | Reduced | 84,973 | 559 | 0.0% | 0.0% | 38 | -17,475 | -17.06% | Q4 2025 | Feb 13, 2026 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | History | New | 82,349 | 541 | 0.04% | — | 39 | +82,349 | New | Q4 2025 | Feb 13, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Added to | 80,000 | 526 | 0.04% | 0.04% | 40 | +7,533 | 10.4% | Q4 2025 | Feb 17, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | New | 69,738 | 469 | 0.0% | — | 41 | +69,738 | New | Q4 2025 | Feb 13, 2026 |
| Palumbo Wealth Management LLC | History | Added to | 63,273 | 416 | 0.1% | 0.11% | 42 | +14,221 | 28.99% | Q4 2025 | Jan 21, 2026 |
| FOX RUN MANAGEMENT, L.L.C. | History | New | 51,773 | 340 | 0.05% | — | 43 | +51,773 | New | Q4 2025 | Feb 11, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 50,923 | 335 | 0.0% | 0.0% | 44 | -185,858 | -78.49% | Q4 2025 | Feb 17, 2026 |
| OMERS ADMINISTRATION Corp | History | New | 47,800 | 314 | 0.0% | — | 45 | +47,800 | New | Q4 2025 | Feb 13, 2026 |
| PROFUND ADVISORS LLC | History | New | 47,135 | 310 | 0.01% | — | 46 | +47,135 | New | Q4 2025 | Feb 06, 2026 |
| Flower City Capital | History | Added to | 42,229 | 277 | 0.14% | 0.11% | 47 | +13,000 | 44.48% | Q4 2025 | Jan 22, 2026 |
| CITIGROUP INC | History | Added to | 37,537 | 246 | 0.0% | 0.0% | 48 | +36,741 | 4615.7% | Q4 2025 | Feb 13, 2026 |
| Corient Private Wealth LLC | History | Reduced | 35,870 | 236 | 0.0% | 0.0% | 49 | -220 | -0.61% | Q4 2025 | Mar 09, 2026 |
| TWO SIGMA ADVISERS, LP | History | New | 31,800 | 209 | 0.0% | — | 50 | +31,800 | New | Q4 2025 | Feb 17, 2026 |
| EntryPoint Capital, LLC | History | New | 31,237 | 205 | 0.08% | — | 51 | +31,237 | New | Q4 2025 | Feb 12, 2026 |
| LPL Financial LLC | History | Added to | 29,125 | 191 | 0.0% | 0.0% | 52 | +6,725 | 30.02% | Q4 2025 | Feb 11, 2026 |
| CIBC Private Wealth Group LLC | History | Reduced | 28,500 | 187 | 0.0% | 0.0% | 53 | -21,551 | -43.06% | Q4 2025 | Feb 12, 2026 |
| Berman McAleer LLC | History | No change | 25,000 | 164 | 0.02% | 0.02% | 54 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| FIRST MANHATTAN CO. LLC. | History | No change | 24,245 | 159 | 0.0% | 0.0% | 55 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| SIMPLEX TRADING, LLC | History | New | 23,250 | 152 | 0.0% | — | 56 | +23,250 | New | Q4 2025 | Feb 11, 2026 |
| ALETHEA CAPITAL MANAGEMENT, LLC | History | No change | 22,935 | 150 | 0.07% | 0.1% | 57 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 22,344 | 147 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Tidemark, LLC | History | Reduced | 20,000 | 131 | 0.04% | 0.09% | 61 | -24,400 | -54.95% | Q4 2025 | Feb 10, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 20,000 | 131 | 0.0% | 0.0% | 59 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| Resonant Capital Advisors, LLC | History | No change | 20,000 | 131 | 0.01% | 0.01% | 60 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | No change | 19,562 | 128 | 0.0% | 0.0% | 62 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| GREAT VALLEY ADVISOR GROUP, INC. | History | New | 19,000 | 125 | 0.0% | — | 63 | +19,000 | New | Q4 2025 | Feb 12, 2026 |
| Lighthouse Investment Partners, LLC | History | New | 17,760 | 116 | 0.0% | — | 64 | +17,760 | New | Q4 2025 | Feb 17, 2026 |
| NATIONS FINANCIAL GROUP INC, /IA/ /ADV | History | New | 16,000 | 105 | 0.01% | — | 65 | +16,000 | New | Q4 2025 | Jan 26, 2026 |
| China Universal Asset Management Co., Ltd. | History | Added to | 15,522 | 102 | 0.01% | 0.0% | 66 | +10,522 | 210.44% | Q4 2025 | Jan 29, 2026 |
| WENDELL DAVID ASSOCIATES INC | History | No change | 15,000 | 99 | 0.01% | 0.01% | 67 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 15,000 | 98 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Kelsey Financial, LLC | History | New | 14,099 | 92 | 0.08% | — | 69 | +14,099 | New | Q4 2025 | Jan 23, 2026 |
| Future Financial Wealth Managment LLC | History | Added to | 18,000 | 86 | 0.06% | 0.02% | 70 | +13,000 | 260.0% | Q4 2025 | Jan 21, 2026 |
| Ausdal Financial Partners, Inc. | History | New | 11,000 | 72 | 0.0% | — | 71 | +11,000 | New | Q4 2025 | Feb 13, 2026 |
| Thayer Partners, LLC / MA | History | New | 11,000 | 72 | 0.04% | — | 72 | +11,000 | New | Q4 2025 | Feb 05, 2026 |
| SummitTX Capital, L.P. | History | New | 10,469 | 68 | 0.0% | — | 73 | +10,469 | New | Q4 2025 | Feb 17, 2026 |
| Vontobel Holding Ltd. | History | Reduced | 10,000 | 65 | 0.0% | 0.0% | 75 | -11,500 | -53.49% | Q4 2025 | Feb 13, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 9,996 | 65 | 0.02% | — | 77 | +9,996 | New | Q4 2025 | Mar 03, 2026 |
| Moors & Cabot, Inc. | History | Reduced | 10,000 | 65 | 0.0% | 0.0% | 76 | -1,000 | -9.09% | Q4 2025 | Feb 10, 2026 |
| MERCER GLOBAL ADVISORS INC /ADV | History | No change | 10,000 | 65 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| GROUP ONE TRADING LLC | History | New | 8,900 | 58 | 0.0% | — | 78 | +8,900 | New | Q4 2025 | Feb 12, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | New | 7,627 | 51 | 0.0% | — | 79 | +7,627 | New | Q4 2025 | Feb 17, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 6,765 | 44 | 0.0% | 0.0% | 80 | +5,265 | 351.0% | Q4 2025 | Feb 11, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 4,300 | 28 | 0.0% | 0.0% | 81 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Mirae Asset Global Investments Co., Ltd. | History | New | 3,138 | 20 | 0.0% | — | 82 | +3,138 | New | Q4 2025 | Jan 26, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 2,240 | 14 | 0.0% | 0.0% | 83 | +1,978 | 754.96% | Q4 2025 | Feb 10, 2026 |
| FLAGSHIP HARBOR ADVISORS, LLC | History | New | 1,500 | 9 | 0.0% | — | 84 | +1,500 | New | Q4 2025 | Jan 21, 2026 |
| GF FUND MANAGEMENT CO. LTD. | History | New | 1,268 | 8 | 0.0% | — | 85 | +1,268 | New | Q4 2025 | Jan 27, 2026 |
| EverSource Wealth Advisors, LLC | History | Reduced | 345 | 2 | 0.0% | 0.0% | 86 | -87 | -20.14% | Q4 2025 | Feb 06, 2026 |
| Logos Global Management LP | History | Closed out | 0 | 0 | — | 0.6% | — | -950,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Monashee Investment Management LLC | History | Closed out | 0 | 0 | — | 1.05% | — | -300,000 | -100.0% | Q3 2025 | Nov 12, 2025 |
| IRIDIAN ASSET MANAGEMENT LLC/CT | History | Closed out | 0 | 0 | — | 0.76% | — | -275,086 | -100.0% | Q3 2025 | Oct 24, 2025 |
| AWM Investment Company, Inc. | History | Closed out | 0 | 0 | — | 0.1% | — | -150,000 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Avidity Partners Management LP | History | Closed out | 0 | 0 | — | 0.14% | — | -90,900 | -100.0% | Q3 2025 | Nov 14, 2025 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.02% | — | -64,040 | -100.0% | Q3 2025 | Nov 14, 2025 |
| AMERIPRISE FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -47,299 | -100.0% | Q3 2025 | Nov 14, 2025 |
| GSA CAPITAL PARTNERS LLP | History | Closed out | 0 | 0 | — | 0.02% | — | -37,836 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Quadrature Capital Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -23,785 | -100.0% | Q3 2025 | Nov 13, 2025 |
| HEIGHTS CAPITAL MANAGEMENT, INC | History | Closed out | 0 | 0 | — | 0.04% | — | -20,000 | -100.0% | Q3 2025 | Nov 18, 2025 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -13,994 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Tower Research Capital LLC (TRC) | History | New | 107 | 0 | — | — | — | +107 | New | Q4 2025 | Feb 17, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 30 | 0 | — | — | — | +30 | New | Q4 2025 | Feb 17, 2026 |