Companies / ProMIS Neurosciences, Inc.
ProMIS Neurosciences, Inc.
Nasdaq: PMNCanadaCIK 1374339TORONTO, Canada
Financials
Ownership
9.0M shares outstanding · as of May 12, 2026
Ownership
| Insiders | 0.50% | 44,840 |
| 10%+ / strategic | 30.78% | 2,759,971 |
| Institutions | 20.37% | 1,826,878 |
| Public float | 48.35% | 4,336,004 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 19
View all →| Insider | % of shares | Shares |
|---|---|---|
ABG Management Ltd.10% owner | 10.52% | 943,090 |
Williams EugeneDirector | 0.14% | 12,397 |
Kirwin Patrick D.Director | 0.11% | 9,788 |
Milbury Max A.Principal Accounting Officer | 0.09% | 8,409 |
Warma Neil KCEOChief Executive Officer · Director | 0.07% | 6,183 |
Cashman NeilChief Scientific Officer · Director | 0.05% | 4,122 |
Kaplan JohanneChief Development Officer | 0.04% | 3,941 |
| — | — | |
| — | — | |
ABG V-SIV IX Ltd10% owner | — | — |
Institutional holders 15
View all →| Holder | Value | % of shares |
|---|---|---|
| $16.42M | 14.42% | |
| $4.72M | 4.14% | |
| $1.77M | 1.55% | |
| $1.70M | 2.78% | |
| $989.6K | 0.87% | |
| $643.4K | 0.56% | |
| $80.6K | 0.13% | |
| $9.9K | 0.02% | |
| $4.0K | <0.01% | |
| $2.5K | <0.01% |
Activity
Mar 31, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | New | Common stock | $16.42M | +1.3M | 1,292,757 14.42% of shares | medium |
| Q1 2026 as of | Great Point Partners, LLC 13F manager | New | Common stock | $4.72M | +371K | 371,402 4.14% of shares | low |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | New | Common stock | $1.77M | +139K | 139,275 1.55% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | New | Common stock | $989.6K | +78K | 77,921 0.87% of shares | low |
| Q1 2026 as of | Heights Capital Management, Inc 13F manager | New | Common stock | $643.4K | +51K | 50,660 0.56% of shares | low |
| Q1 2026 as of | Royal Bank of Canada 13F manager | Add | Common stock | $746 | +50 +22.94% | 268 <0.01% of shares | low |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Exit | Common stock | $-708 | -2K -100.00% | 0 | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Great Point Partners, LLC | Passive13G/A | — |
| Sphera Funds Management Ltd. | Passive13G/A | — |
| Armistice Capital, LLC | Passive13G/A | — |
| Deep Track Capital, LP | Passive13G | — |
| Trails Edge Capital Partners, LP | Passive13G | — |
| Wellington Biomedical Innovation Master Investors (Cayman) II, L.P. | Passive13G | — |
| Michael S. Gordon | Passive13G/A | — |
| Janus Henderson Group PLC | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| PMN | — | 74346M406 |
| PMN | — | 74346M505 |