Immuneering Ownership | Who Owns Immuneering?
Immuneering Ownership Summary
Immuneering is owned by 72.37% institutional investors, 19.96% insiders, and 7.68% retail investors. Fmr is the largest institutional shareholder, holding 24.42% of IMRX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.97% of its assets in Immuneering shares.
IMRX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Immuneering | 72.37% | 19.96% | 7.68% |
| Sector | Healthcare Stocks | 42.54% | 10.83% | 46.63% |
| Industry | Biotech Stocks | 45.22% | 10.75% | 44.04% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Fmr | 8.79M | 24.42% | $61.51M |
| Sanofi | 2.71M | 7.53% | $18.96M |
| Vanguard group | 2.42M | 6.71% | $16.91M |
| Citadel advisors | 1.88M | 6.41% | $2.41M |
| Price t rowe associates inc /md/ | 1.80M | 5.00% | $12.59M |
| Exoduspoint capital management, lp | 1.52M | 4.22% | $10.62M |
| Logos global management lp | 950.00K | 2.64% | $6.65M |
| Goldman sachs group | 741.55K | 2.52% | $949.18K |
| Blackrock funding, inc. /de | 681.18K | 1.89% | $4.77M |
| Blackrock | 533.36K | 1.82% | $682.71K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Southport management | 272.50K | 7.87% | $1.91M |
| Sanofi | 2.71M | 7.28% | $18.96M |
| Blue owl capital lp | 550.00K | 1.20% | $3.85M |
| Monashee investment management | 300.00K | 1.05% | $2.10M |
| Iridian asset management llc/ct | 275.09K | 0.76% | $1.93M |
| Diametric capital, lp | 252.19K | 0.65% | $1.77M |
| Logos global management lp | 950.00K | 0.60% | $6.65M |
| Avidity partners management lp | 90.90K | 0.14% | $636.30K |
| Burkehill global management, lp | 300.00K | 0.12% | $2.10M |
| Flower city capital | 29.23K | 0.11% | $204.60K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 8.79M | 0.00% | 8.57M |
| Sanofi | 2.71M | 7.28% | 2.71M |
| Price t rowe associates inc /md/ | 1.80M | 0.00% | 1.80M |
| Exoduspoint capital management, lp | 1.52M | 0.11% | 1.52M |
| Vanguard group | 2.42M | 0.00% | 1.36M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Cormorant asset management, lp | - | - | -3.30M |
| Blackrock | 533.36K | - | -843.76K |
| Marshall wace, llp | 271.30K | 0.00% | -302.56K |
| Highvista strategies | - | - | -254.51K |
| Prosight management, lp | - | - | -190.00K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sanofi | 2.71M | 7.28% | 2.71M | $18.96M |
| Exoduspoint capital management, lp | 1.52M | 0.11% | 1.52M | $10.62M |
| Logos global management lp | 950.00K | 0.60% | 950.00K | $6.65M |
| Blue owl capital lp | 550.00K | 1.20% | 550.00K | $3.85M |
| Monashee investment management | 300.00K | 1.05% | 300.00K | $2.10M |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -4.00 |
| Nisa investment advisors | -10.00 |
| Point72 (difc) | -16.00 |
| Sbi securities | -74.00 |
| Farther finance advisors | -80.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 68 | 74.36% | 26,041,962 | 580.01% | 72 | 62.29% | 56 | 194.74% | 7 | 16.67% |
| Jun 30, 2025 | 39 | 14.71% | 3,829,641 | -14.87% | 10 | 6.72% | 19 | 46.15% | 6 | -33.33% |
| Mar 31, 2025 | 3 | -92.86% | 288,934 | -93.28% | - | 0.39% | 2 | -89.47% | 1 | -90.00% |
| Dec 31, 2024 | 23 | -39.47% | 2,290,179 | -47.42% | 7 | 3.60% | 9 | -40.00% | 5 | -70.59% |
| Sep 30, 2024 | 38 | -30.91% | 4,355,311 | -54.58% | 14 | 1.37% | 15 | -58.33% | 17 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 707.17K | 1.97% | -15.62K |
| T. Rowe Price Health Sciences | 431.83K | 1.20% | -6.52K |
| Fidelity Select Biotechnology | 383.78K | 0.90% | 222.78K |
| Vanguard Institutional Extnd Mkt Idx Tr | 269.10K | 0.75% | -20.10K |
| Fidelity Extended Market Index | 135.77K | 0.32% | 15.10K |
| Extended Equity Market Fund K | 77.01K | 0.21% | 77.01K |
| TD Health Sciences - I | 75.44K | 0.21% | - |
| NT R2000 Index Fund - NL | 60.79K | 0.20% | -260.00 |
| NT R2000 Growth Index Fund - NL | 52.97K | 0.18% | - |
| NT R2000 Index Fund - DC - NL - 2 | 48.11K | 0.16% | -378.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 03, 2025 | Feinberg Peter | - | Buy | $50.02K |
| Oct 01, 2025 | Morales Mallory | Chief Accounting Officer | Buy | $1.92K |
| Oct 01, 2025 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Buy | $5.10K |
| Oct 01, 2025 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Buy | $6.97K |
| Sep 30, 2025 | Feinberg Peter | - | Buy | $52.73K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | 3 | - |
| 2025 Q3 | 7 | - |
| 2025 Q2 | 7 | - |
| 2025 Q1 | - | - |
| 2024 Q3 | - | - |
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