PROMIS NEUROSCIENCES INC (PMN) Institutional Ownership Changes & 13F Activity
PROMIS NEUROSCIENCES INC (PMN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Janus Henderson Group Plc, Great Point Partners Llc, Ally Bridge Group (Ny) Llc, Ameriprise Financial Inc, and Ikarian Capital, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Great Point Partners Llc | Sell | -285,252 | -76.8% | 86,150 | $1.13M | Q2 2026 | Aug 14, 2026 |
| Ally Bridge Group (Ny) Llc | Buy | +206,100 | +49.8% | 620,319 | $8.16M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +185,700 | — | 185,700 | $2.44M | Q2 2026 | Aug 14, 2026 |
| Ikarian Capital, Llc | Buy | +150,000 | +272.7% | 205,000 | $2.70M | Q2 2026 | Aug 14, 2026 |
| Woodline Partners Lp | Buy | +46,616 | +11.8% | 441,911 | $5.82M | Q2 2026 | Aug 14, 2026 |
| Boothbay Fund Management, Llc | Buy | +46,035 | +286.9% | 62,078 | $816.95K | Q2 2026 | Aug 14, 2026 |
| Adage Capital Partners Gp, L.L.C. | Buy | +25,000 | +18.0% | 164,275 | $2.16M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -21,876 | -28.1% | 56,045 | $737.55K | Q2 2026 | Aug 14, 2026 |
| Adar1 Capital Management, Llc | Sell | -2,500 | -2.6% | 92,850 | $1.22M | Q2 2026 | Aug 14, 2026 |
| 683 Capital Management, Llc | Buy | +2,150 | +2.3% | 95,000 | $1.25M | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Sell | -50 | -18.7% | 218 | $3.00K | Q2 2026 | Aug 14, 2026 |
| Morgan Stanley | Buy | +7,559 | — | 7,559 | $99.48K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -609 | -46.8% | 691 | $9.09K | Q2 2026 | Aug 13, 2026 |
| Steward Partners Investment Advisory, Llc | Sell | -6 | -6.0% | 94 | $1.24K | Q2 2026 | Aug 13, 2026 |
| Bank Of Montreal | Buy | +11,371 | — | 11,371 | $149.64K | Q2 2026 | Aug 12, 2026 |
| Caitong International Asset Management Co., Ltd | Buy | +3 | — | 3 | $39.00 | Q2 2026 | Aug 05, 2026 |
| Janus Henderson Group Plc | Sell | -1,292,757 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Heights Capital Management, Inc | Sell | -50,660 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Empery Asset Management, Lp | Sell | -60,353 | -100.0% | 0 | $0.00 | Q2 2026 | May 08, 2026 |
Frequently asked questions about PMN activity
Which institutional owners are buying PMN?
Institutional owners buying PMN 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 PMN activity?
"Buy" means an investor increased their reported position in PMN compared to the prior reporting period. This reflects growing exposure to PROMIS NEUROSCIENCES INC (PMN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in PMN increasing?
Institutional interest in PMN 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.