IMRX Immuneering Corporation
Immuneering Corporation (IMRX) Institutional Ownership
What the institutions did with IMRX last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeLargest holders
| Manager | Shares | % of reported |
|---|---|---|
| FMR LLC | 9.7M | 28.2% |
| BlackRock, Inc. | 4.4M | 12.7% |
| Sanofi | 2.7M | 7.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.3M | 6.6% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.9M | 5.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4M | 4.0% |
| STATE STREET CORP | 1.0M | 2.9% |
| DCF Advisers, LLC | 790.0K | 2.3% |
| MARSHALL WACE, LLP | 731.9K | 2.1% |
| Connor, Clark & Lunn Investment Management Ltd. | 601.3K | 1.7% |
| ALETHEA CAPITAL MANAGEMENT, LLC | 472.9K | 1.4% |
| Summit Financial, LLC | 452.3K | 1.3% |
| UBS Group AG | 448.9K | 1.3% |
| Nuveen, LLC | 438.4K | 1.3% |
| NORTHERN TRUST CORP | 437.0K | 1.3% |
| LEVIN CAPITAL STRATEGIES, L.P. | 414.0K | 1.2% |
| CITADEL ADVISORS LLC | 386.4K | 1.1% |
| VANGUARD FIDUCIARY TRUST CO | 360.8K | 1.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 359.1K | 1.0% |
| GSA CAPITAL PARTNERS LLP | 343.3K | 1.0% |
| MILLENNIUM MANAGEMENT LLC | 330.4K | 1.0% |
| Burkehill Global Management, LP | 300.0K | 0.9% |
| TWO SIGMA INVESTMENTS, LP | 288.4K | 0.8% |
| Occam Crest Management LP | 278.5K | 0.8% |
| MORGAN STANLEY | 226.5K | 0.7% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| BlackRock, Inc. | Increased | 1.5M | 4.4M | +2.9M |
| MARSHALL WACE, LLP | Reduced | 2.0M | 731.9K | -1.3M |
| MILLENNIUM MANAGEMENT LLC | Reduced | 1.1M | 330.4K | -772.3K |
| STATE STREET CORP | Increased | 268.5K | 1.0M | +733.5K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 637.9K | 1.4M | +732.8K |
| DCF Advisers, LLC | Increased | 141.5K | 790.0K | +648.5K |
| ALETHEA CAPITAL MANAGEMENT, LLC | Increased | 22.9K | 472.9K | +450.0K |
| Nuveen, LLC | New | 0 | 438.4K | +438.4K |
| LEVIN CAPITAL STRATEGIES, L.P. | Increased | 10.0K | 414.0K | +404.0K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New | 0 | 359.1K | +359.1K |
| NORTHERN TRUST CORP | Increased | 117.7K | 437.0K | +319.3K |
| Occam Crest Management LP | Reduced | 545.1K | 278.5K | -266.6K |
| GSA CAPITAL PARTNERS LLP | Increased | 76.8K | 343.3K | +266.6K |
| GOLDMAN SACHS GROUP INC | Reduced | 327.7K | 96.2K | -231.4K |
| D. E. Shaw & Co., Inc. | New | 0 | 203.7K | +203.7K |
| Connor, Clark & Lunn Investment Management Ltd. | Increased | 400.4K | 601.3K | +200.9K |
| Diametric Capital, LP | Sold Out | 174.9K | 0 | -174.9K |
| Squarepoint Ops LLC | Reduced | 226.0K | 57.7K | -168.4K |
| WELLINGTON MANAGEMENT GROUP LLP | Sold Out | 156.4K | 0 | -156.4K |
| 683 Capital Management, LLC | Sold Out | 150.7K | 0 | -150.7K |
| Permanent Capital Management, LP | New | 0 | 150.0K | +150.0K |
| Bank of New York Mellon Corp | New | 0 | 132.0K | +132.0K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 37.3K | 167.9K | +130.6K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1.8M | 1.9M | +106.9K |
| BARCLAYS PLC | Reduced | 122.0K | 20.4K | -101.6K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.