Immuneering Corp. Class AIMRX
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 39 institutions reported holding Immuneering Corp. Class A (IMRX) in their 13F filings, up 4 from Q1 2025. 11 opened new positions and 7 sold out. The largest holders were Vanguard Group Inc. ($3.6M), Marshall Wace, LLP ($1.9M) and BlackRock, Inc. ($1.4M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Immuneering Corp. Class A
- CUSIP
- 45254E107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 11 | $1.5M |
| Exits | 7 | $1.3M |
All 13F filers, Q1 2025 → Q2 2025: 724,082 shares bought and 1,393,025 shares sold, net −668,943 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 39 holders
| Vanguard Group Inc. | 0.00% | No change | 1,056,922 | $3.6M |
| Marshall Wace, LLP | 0.00% | Reduce -29.0% | 573,864 | $1.9M |
| BlackRock, Inc. | 0.00% | Add +33.6% | 422,758 | $1.4M |
| Southport Management, L.L.C. | 4.03% | No change | 245,000 | $826K |
| Geode Capital Management, LLC | 0.00% | Add +2.0% | 230,275 | $776K |
| FMR LLC | 0.00% | New | 221,000 | $745K |
| Morgan Stanley | 0.00% | Reduce -57.0% | 201,094 | $678K |
| HighTower Advisors, LLC | 0.00% | Add +61.9% | 135,960 | $458K |
| State Street Corp. | 0.00% | Add +23.9% | 97,335 | $328K |
| Bridgeway Capital Management, LLC | 0.01% | Add +57.9% | 95,449 | $322K |
| Corient Private Wealth LP | 0.00% | New | 63,740 | $215K |
| Millennium Management | 0.00% | Add +169.9% | 62,249 | $210K |
| Tidemark, LLC | 0.05% | No change | 44,400 | $150K |
| Northern Trust Corp. | 0.00% | No change | 39,729 | $134K |
| First Manhattan Co. Llc. | 0.00% | No change | 32,325 | $109K |
| Flower City Capital | 0.06% | New | 32,029 | $108K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 29,404 | $99K |
| Bank of America Corp. | 0.00% | Reduce -1.3% | 28,492 | $96K |
| XTX Topco Ltd | 0.00% | New | 26,829 | $90K |
| Alethea Capital Management, LLC | 0.06% | New | 22,935 | $77K |
| Royal Bank of Canada | 0.00% | Add +2095900.0% | 20,960 | $71K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 20,000 | $67K |
| Two Sigma Investments, LP | 0.00% | Reduce -48.1% | 18,553 | $63K |
| Renaissance Technologies | 0.00% | New | 18,200 | $61K |
| CIBC Private Wealth Group LLC | 0.00% | Add +50.0% | 15,000 | $51K |
| Kingsview Wealth Management, LLC | 0.00% | New | 14,000 | $47K |
| Dimensional Fund Advisors LP | 0.00% | No change | 13,366 | $45K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 12,000 | $40K |
| Wells Fargo & Company | 0.00% | New | 10,000 | $34K |
| Barclays PLC | 0.00% | No change | 9,924 | $33K |
| UBS Group AG | 0.00% | Reduce -82.2% | 5,073 | $17K |
| Osaic Holdings, Inc. | 0.00% | New | 4,300 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -52.8% | 2,984 | $10K |
| JPMorgan Chase & Co. | 0.00% | No change | 1,974 | $7K |
| Citigroup Inc. | 0.00% | No change | 796 | $3K |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 345 | $1K |
| BNP Paribas Financial Markets | 0.00% | No change | 287 | $967 |
| SBI Securities Co., Ltd. | 0.00% | No change | 74 | $249 |
| Point72 (DIFC) Ltd | 0.00% | New | 16 | $54 |
"% of holder's portfolio" is IMRX's weight in each manager's 13F, not the share of Immuneering Corp. Class A the manager owns.