ProMIS Neurosciences (PMN)
Develops EpiSelect-discovered antibodies for protein-misfolding neurodegenerative disorders.
$13.31
vs last close−0.27 (−1.99%)
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13F · 13D/G · Form 4
| Institutions | 71.39% | 6.40M shares | |
|---|---|---|---|
| 27 holders · as of Jun 30, 2026 | |||
| Insiders | 14.40% | 1.29M shares | |
| 10 holders · as of Aug 7, 2026 | |||
| Strategic holders | 39.42% | 3.53M shares | |
| 5 holders · as of Apr 7, 2026 | |||
| Adds to | 125.21% | ||
8.97M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
Two share counts disagree (8.97M in the company's Sep 23, 2026 report, 1.31M elsewhere); stakes use the report.
These groups come from separate filings that can overlap, so they add to 125.21%; nothing is left for Other.
13F, as of Jun 30, 2026
27 holders · 6.40M shares · 5 new positions · 11 increased · 6 reduced · 3 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Jupiter Topco LLC | 1.29M | 14.42% | +1.29Mnew | Aug 14, 2026 |
| Deep Track Capital, LP | 835.7K | 9.32% | 0 | Aug 14, 2026 |
| Wellington Management Group LLP | 696.4K | 7.77% | 0 | Aug 14, 2026 |
| Ally Bridge Group (NY) LLC | 620.3K | 6.92% | +206.1K | Aug 14, 2026 |
| Trails Edge Capital Partners, LP | 557.1K | 6.21% | 0 | Aug 14, 2026 |
| Woodline Partners LP | 441.9K | 4.93% | +46.6K | Aug 14, 2026 |
| Yu Fan | 329.8K | 3.68% | 0 | Aug 14, 2026 |
| Sphera Funds Management Ltd. | 325.6K | 3.63% | 0 | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Fan Yuincl. Ally Bridge Group (NY) LLC, ABG Management Ltd. +6 more | 17.00% | 1.64M | 13D | Feb 5, 2026 |
| Jeremy M. Sclar | 16.90% | 13G | Oct 15, 2025 | |
| Janus Henderson Group PLC | 14.40% | 1.29M | 13G | Apr 7, 2026 |
| Shaf QIC LLC | 10.01% | 13G | Jul 31, 2025 | |
| Wellington Management Group LLP | 10.00% | 895.9K | 13G | May 15, 2026 |
| Great Point Partners, LLC | 9.99% | 954.1K | 13G | May 15, 2026 |
| Wellington Biomedical Innovation Master Investors (Cayman) II, L.P. | 9.99% | 895.9K | 13G | Mar 18, 2026 |
| Deep Track Capital, LP | 9.99% | 902.6K | 13G | Feb 6, 2026 |
| Trails Edge Capital Partners, LP | 9.90% | 933.5K | 13G | Feb 10, 2026 |
| Armistice Capital, LLCincl. Steven Boyd | 8.17% | Nov 14, 2024 | ||
| Sphera Funds Management Ltd. | 7.78% | 180.7K | 13G | Feb 5, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 5, 2026 | Johanne Kaplanofficer: Chief Development Officer | Purchase | 2,280 | $13.30 | 6,221 |
| Apr 22, 2026 | Patrick D. Kirwindirector | Purchase | 4,000 | $11.33 | 4,653 |
| Mar 5, 2026 | Eugene Williamsdirector | Purchase | 2,000 | $24.40 | 12,397 |
| Mar 2, 2026 | Eugene Williamsdirector | Purchase | 1,000 | $22.53 | 7,397 |
| Mar 3, 2026 | Eugene Williamsdirector | Purchase | 1,000 | $21.89 | 8,397 |
| Mar 4, 2026 | Eugene Williamsdirector | Purchase | 2,000 | $24.00 | 10,397 |
| Feb 19, 2026 | Johanne Kaplanofficer: Chief Development Officer | Purchase | 1,629 | $15.35 | 3,941 |
| Feb 3, 2026 | ABG Management Ltd.10 percent owner | Purchase · 2 lots | 1,401,482 | $13.27 | 1,643,831 |
| Oct 3, 2025 | Max A. Milburyother: Principal Accounting Officer | Purchase | 30,392 | $0.4912 | 45,389 |
| Jul 29, 2025 | Jeremy M. Sclar 2012 Irrevocable Family Trust10 percent owner | Purchase | 3,139,533 | 3,139,533 |
House and Senate disclosures
Not reported.