Immuneering Corp. Class AIMRX
13F holders, Q1 2025 (March 31)35holders −7
5new positions
12sold out
1famous investor
$1.52avg. 13F price*
At the end of Q1 2025, 35 institutions reported holding Immuneering Corp. Class A (IMRX) in their 13F filings, down 7 from Q4 2024. 5 opened new positions and 12 sold out. The largest holders were Vanguard Group Inc. ($1.6M), Marshall Wace, LLP ($1.2M) and T. Rowe Price Associates Inc. ($1.0M). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Immuneering Corp. Class A
- CUSIP
- 45254E107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $66K |
| Exits | 12 | $898K |
All 13F filers, Q4 2024 → Q1 2025: 916,571 shares bought and 720,438 shares sold, net +196,133 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 35 holders
| Vanguard Group Inc. | 0.00% | No change | 1,056,922 | $1.6M |
| Marshall Wace, LLP | 0.00% | Add +3669.9% | 807,969 | $1.2M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -14.1% | 659,009 | $1.0M |
| Morgan Stanley | 0.00% | Add +2.9% | 467,226 | $710K |
| BlackRock, Inc. | 0.00% | Reduce -0.7% | 316,530 | $481K |
| Southport Management, L.L.C. | 1.61% | Add +13.9% | 245,000 | $372K |
| Geode Capital Management, LLC | 0.00% | Add +8.4% | 225,817 | $343K |
| HighTower Advisors, LLC | 0.00% | Add +17.7% | 83,960 | $128K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +0.0% | 82,667 | $126K |
| State Street Corp. | 0.00% | No change | 78,535 | $119K |
| TD Asset Management Inc | 0.00% | Reduce -52.9% | 71,066 | $108K |
| Bridgeway Capital Management, LLC | 0.00% | Add +17.7% | 60,449 | $92K |
| Tidemark, LLC | 0.02% | No change | 44,400 | $67K |
| Northern Trust Corp. | 0.00% | No change | 39,729 | $60K |
| Two Sigma Investments, LP | 0.00% | Reduce -29.3% | 35,757 | $54K |
| First Manhattan Co. Llc. | 0.00% | No change | 32,325 | $49K |
| Bank of America Corp. | 0.00% | Reduce -7.1% | 28,854 | $44K |
| UBS Group AG | 0.00% | Reduce -45.6% | 28,551 | $43K |
| Millennium Management | 0.00% | Reduce -77.6% | 23,065 | $35K |
| Jane Street Group, LLC | 0.00% | New | 20,869 | $32K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 20,000 | $30K |
| Dimensional Fund Advisors LP | 0.00% | No change | 13,366 | $20K |
| Charles Schwab Investment Management Inc. | 0.00% | New | 12,000 | $18K |
| Engineers Gate Manager LP | 0.00% | New | 10,607 | $16K |
| Barclays PLC | 0.00% | No change | 9,924 | $15K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 10,000 | $13K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +163.7% | 6,328 | $10K |
| Federated Hermes, Inc. | 0.00% | Add +3.0% | 3,954 | $6K |
| JPMorgan Chase & Co. | 0.00% | No change | 1,974 | $3K |
| Citigroup Inc. | 0.00% | Reduce -65.3% | 796 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 345 | $524 |
| BNP Paribas Financial Markets | 0.00% | Reduce -17.8% | 287 | $436 |
| US Bancorp \de | 0.00% | New | 228 | $347 |
| SBI Securities Co., Ltd. | 0.00% | No change | 74 | $112 |
| Royal Bank of Canada | 0.00% | New | 1 | $0 |
"% of holder's portfolio" is IMRX's weight in each manager's 13F, not the share of Immuneering Corp. Class A the manager owns.