Immuneering Ownership | Who Owns Immuneering?
Immuneering Ownership Summary
Immuneering is owned by 10.78% institutional investors, 24.12% insiders, and 65.10% retail investors. Citadel advisors is the largest institutional shareholder, holding 6.41% 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 | 10.78% | 24.12% | 65.10% |
| Sector | Healthcare Stocks | 487.91% | 11.08% | -398.99% |
| Industry | Biotech Stocks | 307.10% | 11.11% | -218.21% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Citadel advisors | 1.88M | 6.41% | $2.41M |
| Vanguard group | 1.06M | 3.54% | $2.33M |
| Goldman sachs group | 741.55K | 2.52% | $949.18K |
| Blackrock | 533.36K | 1.82% | $682.71K |
| Marshall wace, llp | 573.86K | 1.62% | $1.93M |
| Blackrock funding, inc. /de | 422.76K | 1.19% | $1.42M |
| Two sigma advisers, lp | 248.70K | 0.85% | $318.34K |
| Iridian asset management llc/ct | 275.09K | 0.76% | $1.93M |
| Geode capital management | 208.39K | 0.70% | $458.60K |
| Southport management | 245.00K | 0.69% | $825.65K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Southport management | 245.00K | 4.03% | $825.65K |
| Iridian asset management llc/ct | 275.09K | 0.76% | $1.93M |
| Flower city capital | 29.23K | 0.11% | $204.60K |
| Tidemark | 44.40K | 0.05% | $149.63K |
| Future financial wealth managment | 5.00K | 0.02% | $35.00K |
| Xtx topco | 26.83K | 0.00% | $90.41K |
| Bridgeway capital management | 51.35K | 0.00% | $112.97K |
| Marshall wace, llp | 573.86K | 0.00% | $1.93M |
| Kingsview wealth management | 14.00K | 0.00% | $47.18K |
| Two sigma advisers, lp | 248.70K | 0.00% | $318.34K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Goldman sachs group | 741.55K | 0.00% | 287.31K |
| Iridian asset management llc/ct | 275.09K | 0.76% | 275.09K |
| Two sigma advisers, lp | 248.70K | 0.00% | 248.70K |
| Blackrock funding, inc. /de | 422.76K | - | 106.23K |
| Susquehanna group, llp | 88.76K | - | 88.76K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Cormorant asset management, lp | - | - | -3.30M |
| Blackrock | 533.36K | - | -843.76K |
| Price t rowe associates inc /md/ | - | - | -659.01K |
| Renaissance | - | - | -349.10K |
| Highvista strategies | - | - | -254.51K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Iridian asset management llc/ct | 275.09K | 0.76% | 275.09K | $1.93M |
| Two sigma advisers, lp | 248.70K | 0.00% | 248.70K | $318.34K |
| Vontobel | 21.50K | 0.00% | 21.50K | $149.96K |
| Kingsview wealth management | 14.00K | 0.00% | 14.00K | $47.18K |
| Russell investments group | 6.59K | - | 6.59K | $8.44K |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -4.00 |
| Nisa investment advisors | -10.00 |
| Point72 (difc) | -16.00 |
| Farther finance advisors | -80.00 |
| Us bancorp \de\ | -228.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | - |
| Jun 30, 2024 | 55 | 10.00% | 9,588,469 | -19.23% | 32 | 1.98% | 36 | 80.00% | 17 | -29.17% |
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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