Promis NeurosciencesPMN
13F holders, Q2 2026 (June 30)27holders +2
4new positions
2sold out
1famous investor
$13.16avg. 13F price*
At the end of Q2 2026, 27 institutions reported holding Promis Neurosciences Inc. (PMN) in their 13F filings, up 2 from Q1 2026. 4 opened new positions and 2 sold out. The largest holders were Jupiter Topco LLC ($17.0M), Deep Track Capital, LP ($11.0M) and Wellington Management Group LLP ($9.2M). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Promis Neurosciences Inc.
- CUSIP
- 74346M505
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $2.7M |
| Exits | 2 | $1.4M |
All 13F filers, Q1 2026 → Q2 2026: 680,534 shares bought and 421,306 shares sold, net +259,228 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 27 holders
| Jupiter Topco LLC | 0.01% | — | 1,292,757 | $17.0M |
| Deep Track Capital, LP | 0.16% | No change | 835,655 | $11.0M |
| Wellington Management Group LLP | 0.00% | No change | 696,378 | $9.2M |
| Ally Bridge Group (NY) LLC | 10.52% | Add +49.8% | 620,319 | $8.2M |
| Trails Edge Capital Partners, LP | 1.16% | No change | 557,103 | $7.3M |
| Woodline Partners LP | 0.02% | Add +11.8% | 441,911 | $5.8M |
| Yu Fan | 4.02% | No change | 329,760 | $4.3M |
| Sphera Funds Management LTD. | 0.61% | No change | 325,591 | $4.3M |
| Squadron Capital Management LLC | 1.46% | No change | 324,977 | $4.3M |
| Ikarian Capital, LLC | 0.44% | Add +272.7% | 205,000 | $2.7M |
| Ameriprise Financial Inc. | 0.00% | New | 185,700 | $2.4M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | Add +17.9% | 164,275 | $2.2M |
| 683 Capital Management, LLC | 0.12% | Add +2.3% | 95,000 | $1.3M |
| ADAR1 Capital Management, LLC | 0.06% | Reduce -2.6% | 92,850 | $1.2M |
| Great Point Partners LLC | 0.27% | Reduce -76.8% | 86,150 | $1.1M |
| Boothbay Fund Management, LLC | 0.02% | Add +286.9% | 62,078 | $817K |
| Millennium Management | 0.00% | Reduce -28.1% | 56,045 | $738K |
| Bank of Montreal | 0.00% | New | 11,371 | $150K |
| Seven Fleet Capital Management LP | 0.02% | No change | 10,600 | $139K |
| Morgan Stanley | 0.00% | New | 7,559 | $99K |
| UBS Group AG | 0.00% | Reduce -46.9% | 691 | $9K |
| Osaic Holdings, Inc. | 0.00% | No change | 360 | $5K |
| Royal Bank of Canada | 0.00% | Reduce -18.7% | 218 | $3K |
| Steward Partners Investment Advisory, LLC | 0.00% | Reduce -6.0% | 94 | $1K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 10 | $131 |
| TD Waterhouse Canada Inc. | 0.00% | No change | 5 | $66 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 3 | $39 |
"% of holder's portfolio" is PMN's weight in each manager's 13F, not the share of Promis Neurosciences Inc. the manager owns.