Security key
74346M406
PROMIS NEUROSCIENCES INC. - Common Shares, No Par Value per Share (PMN)
CUSIP: 74346M406
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Shares, No Par Value per Share
- Total 13F shares
- 9,325,986
- Total 13F value
- $6,489,664
- Share change
- -421,267
- SEC-reported price per share
- $0.70
- Number of holders
- 17
- Value change
- -$305,401
- Number of buys
- 4
- Number of sells
- 7
- Shares outstanding
- 9,550,370
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
17
Top holders
10
PMN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
ProMIS Neurosciences Inc. SEC filings
ProMIS Neurosciences Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 74346M406
Recent filing periods:
Ownership snapshot
Top reported holders of PMN - PROMIS NEUROSCIENCES INC. - Common Shares, No Par Value per Share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
GREAT POINT PARTNERS LLC
Disclosed value leader
GREAT POINT PARTNERS LLC
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
Lead comparable stake: 28%
Showing 1-6 of 15 holder rows.
Quick read
GREAT POINT PARTNERS LLC leads the comparable SEC ownership view at 28%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens GREAT POINT PARTNERS LLC's linked filing trail.
Comparable ownership
Top 5
GREAT POINT PARTNERS LLC
28%
ARMISTICE CAPITAL, LLC
26%
SPHERA FUNDS MANAGEMENT LTD.
20%
Ally Bridge Group (NY) LLC
17%
Altium Capital Management LLC
6.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| GREAT POINT PARTNERS LLC |
13F
Company
|
28%
|
$2,507,052
2,645,128 shares
|
— | 31 Dec 2024 |
| ARMISTICE CAPITAL, LLC |
13F
Company
|
26%
|
$2,378,956
2,509,977 shares
|
— | 31 Dec 2024 |
| SPHERA FUNDS MANAGEMENT LTD. |
13F
Company
|
20%
|
$1,828,588
1,929,297 shares
|
— | 31 Dec 2024 |
| Ally Bridge Group (NY) LLC |
13F
Company
|
17%
|
$1,509,471
1,592,605 shares
|
— | 31 Dec 2024 |
| Altium Capital Management LLC |
13F
Company
|
6.1%
|
$551,046
581,395 shares
|
— | 31 Dec 2024 |
| Allostery Investments LP |
13F
Company
|
2%
|
$184,926
195,111 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
17
Shares
9,325,986
Rows available
17
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q3 2025 Across Filers
Q3 2025 holders
23
Q1 2025 holders
17
Holder diff
-6
| Investor | Q3 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend