Latest Period
Q1 2026
Security Snapshot
ProMIS Neurosciences Inc. - Common Shares, no par value per share (PMN) Institutional Ownership
CUSIP: 74346M505
13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026
Institutions Reporting
25
Shares (Excl. Options)
6,143,182
Price
$12.70
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- Security type / class
- Equity / Common Shares, no par value per share
- Symbol
- PMN on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 6,143,182
- Total 13F value
- $78,018,651
- Portfolio coverage rank
- 0%
- Share change
- +5,878,633
- Value change
- +$74,671,017
- Number of holders
- 25
- Shares outstanding
- 4,100,581
- SEC-reported price per share
- $10.49
- Insider filing price
- $10.49
Latest holder snapshot
5 facts
Issuer context
3 facts
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- PMN - ProMIS Neurosciences Inc. - Common Shares, no par value per share is tracked under CUSIP 74346M505.
- 25 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 9 to 25 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $1,798,689 to $78,018,651.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 25 institutions filings for Q1 2026.
Security key
74346M505
Latest holder period
Q1 2026
13F holders
25
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
PMN full holder history
ProMIS Neurosciences Inc. SEC filings
ProMIS Neurosciences Inc. company facts
ProMIS Neurosciences Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 74346M505:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
PMN
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| ABG Management Ltd. | 17% | $725,179 | 1,644,397 | Fan Yu | 03 Feb 2026 | |||
| Trails Edge Capital Partners, LP | 9.9% | $6,347,644 | 933,477 | Trails Edge Capital Partners, LP | 03 Feb 2026 | |||
| Deep Track Capital, LP | 10% | $6,137,415 | 902,561 | Deep Track Capital, LP | 30 Jan 2026 | |||
| GREAT POINT PARTNERS LLC | 10% | $2,790,563 | 409,648 | Great Point Partners, LLC | 31 Dec 2025 |
As of 31 Mar 2026, 25 institutional investors reported holding 6,143,182 shares of ProMIS Neurosciences Inc. - Common Shares, no par value per share (PMN). This represents 150% of the company’s total 4,100,581 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
150%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 32% | 1,292,757 | 0.01% | $16,418,014 | |
| Deep Track Capital, LP | 20% | 835,655 | 0.22% | $10,612,819 | |
| WELLINGTON MANAGEMENT GROUP LLP | 17% | 696,378 | 0% | $8,844,001 | |
| Trails Edge Capital Partners, LP | 14% | 557,103 | 1.7% | $7,075,208 | |
| Ally Bridge Group (NY) LLC | 10% | 414,219 | +66% | 5.2% | $5,260,581 |
| Woodline Partners LP | 9.6% | 395,295 | 0.02% | $5,020,246 | |
| GREAT POINT PARTNERS LLC | 9.1% | 371,402 | 1.2% | $4,716,805 | |
| Yu Fan | 8% | 329,760 | 4.3% | $4,187,952 | |
| SPHERA FUNDS MANAGEMENT LTD. | 7.9% | 325,591 | +2658% | 0.71% | $4,135,012 |
| Squadron Capital Management LLC | 7.9% | 324,977 | 1.7% | $4,127,208 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 3.4% | 139,275 | 0% | $1,768,793 | |
| ADAR1 Capital Management, LLC | 2.3% | 95,350 | 0.07% | $1,210,945 | |
| 683 Capital Management, LLC | 2.3% | 92,850 | 0.11% | $1,179,195 | |
| MILLENNIUM MANAGEMENT LLC | 1.9% | 77,921 | 0% | $989,597 | |
| Empery Asset Management, LP | 1.5% | 60,353 | 0.92% | $766,483 | |
| Ikarian Capital, LLC | 1.3% | 55,000 | 0.1% | $698,500 | |
| HEIGHTS CAPITAL MANAGEMENT, INC | 1.2% | 50,660 | 0.18% | $643,382 | |
| BOOTHBAY FUND MANAGEMENT, LLC | 0.39% | 16,043 | 0% | $203,746 | |
| Seven Fleet Capital Management LP | 0.26% | 10,600 | 0.04% | $134,620 | |
| UBS Group AG | 0.03% | 1,300 | -10% | 0% | $16,510 |
| OSAIC HOLDINGS, INC. | 0.01% | 360 | 0% | 0% | $4,572 |
| ROYAL BANK OF CANADA | 0.01% | 218 | 0% | 0% | $3,000 |
| Steward Partners Investment Advisory, LLC | 0% | 100 | 0% | $1,270 | |
| Federation des caisses Desjardins du Quebec | 0% | 10 | -97% | 0% | $127 |
| TD Waterhouse Canada Inc. | 0% | 5 | -80% | 0% | $65 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Latest
Q1 2026
Rows shown
1-2 of 2