IMMUNEERING CORP - CLASS A (IMRX) Institutional Ownership Changes & 13F Activity
IMMUNEERING CORP - CLASS A (IMRX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Fmr Llc, State Street Corp, Price T Rowe Associates Inc, Marshall Wace, Llp, and Occam Crest Management Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Corient Private Wealth Llc | Buy | +35,870 | — | 35,870 | $236.03K | Q4 2025 | Feb 19, 2026 |
| Mercer Global Advisors Inc | Buy | +10,000 | — | 10,000 | $65.80K | Q4 2025 | Feb 18, 2026 |
| Fmr Llc | Buy | +9,685,495 | — | 9,685,495 | $63.73M | Q4 2025 | Feb 17, 2026 |
| Price T Rowe Associates Inc | Buy | +1,993,958 | — | 1,993,958 | $13.12M | Q4 2025 | Feb 17, 2026 |
| Burkehill Global Management, Lp | Buy | +300,000 | — | 300,000 | $1.97M | Q4 2025 | Feb 17, 2026 |
| Bank Of America Corp | Buy | +214,341 | — | 214,341 | $1.41M | Q4 2025 | Feb 17, 2026 |
| Two Sigma Investments, Lp | Buy | +207,155 | — | 207,155 | $1.36M | Q4 2025 | Feb 17, 2026 |
| Qube Research & Technologies Ltd | Buy | +165,875 | — | 165,875 | $1.09M | Q4 2025 | Feb 17, 2026 |
| 683 Capital Management, Llc | Buy | +150,697 | — | 150,697 | $991.59K | Q4 2025 | Feb 17, 2026 |
| Woodline Partners Lp | Buy | +150,000 | — | 150,000 | $987.00K | Q4 2025 | Feb 17, 2026 |
| Bridgeway Capital Management, Llc | Buy | +120,449 | — | 120,449 | $792.55K | Q4 2025 | Feb 17, 2026 |
| Northern Trust Corp | Buy | +109,061 | — | 109,061 | $717.62K | Q4 2025 | Feb 17, 2026 |
| Susquehanna International Group, Llp | Buy | +107,472 | — | 107,472 | $707.17K | Q4 2025 | Feb 17, 2026 |
| Citadel Advisors Llc | Buy | +90,459 | — | 90,459 | $595.22K | Q4 2025 | Feb 17, 2026 |
| Prelude Capital Management, Llc | Buy | +80,000 | — | 80,000 | $526.40K | Q4 2025 | Feb 17, 2026 |
| Millennium Management Llc | Buy | +50,923 | — | 50,923 | $335.07K | Q4 2025 | Feb 17, 2026 |
| Two Sigma Advisers, Lp | Buy | +31,800 | — | 31,800 | $209.24K | Q4 2025 | Feb 17, 2026 |
| First Manhattan Co. Llc. | Buy | +24,245 | — | 24,245 | $159.53K | Q4 2025 | Feb 17, 2026 |
| Lighthouse Investment Partners, Llc | Buy | +17,760 | — | 17,760 | $116.86K | Q4 2025 | Feb 17, 2026 |
| Summittx Capital, L.P. | Buy | +10,469 | — | 10,469 | $68.89K | Q4 2025 | Feb 17, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +7,627 | — | 7,627 | $51.33K | Q4 2025 | Feb 17, 2026 |
| Osaic Holdings, Inc. | Buy | +4,300 | — | 4,300 | $28.29K | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +107 | — | 107 | $704.00 | Q4 2025 | Feb 17, 2026 |
| Jones Financial Companies Lllp | Buy | +30 | — | 30 | $197.00 | Q4 2025 | Feb 17, 2026 |
| State Street Corp | Buy | +2,402,238 | — | 2,402,238 | $15.81M | Q4 2025 | Feb 13, 2026 |
| Marshall Wace, Llp | Buy | +711,875 | — | 711,875 | $4.68M | Q4 2025 | Feb 13, 2026 |
| Occam Crest Management Lp | Buy | +498,498 | — | 498,498 | $3.28M | Q4 2025 | Feb 13, 2026 |
| Morgan Stanley | Buy | +489,617 | — | 489,617 | $3.22M | Q4 2025 | Feb 13, 2026 |
| Diametric Capital, Lp | Buy | +246,857 | — | 246,857 | $1.62M | Q4 2025 | Feb 13, 2026 |
| Barclays Plc | Buy | +230,726 | — | 230,726 | $1.52M | Q4 2025 | Feb 13, 2026 |
Frequently asked questions about IMRX activity
Which institutional owners are buying IMRX?
Institutional owners buying IMRX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in IMRX activity?
"Buy" means an investor increased their reported position in IMRX compared to the prior reporting period. This reflects growing exposure to IMMUNEERING CORP - CLASS A (IMRX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in IMRX increasing?
Institutional interest in IMRX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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