Security key
02074J501
Alpha Cognition Inc. - Common Stock, no par value (ACOG)
CUSIP: 02074J501
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock, no par value
- Total 13F shares
- 6,338,341
- Total 13F value
- $32,436,125
- Share change
- +395,066
- SEC-reported price per share
- $5.06
- Number of holders
- 21
- Value change
- +$1,749,121
- Number of buys
- 6
- Number of sells
- 10
- Shares outstanding
- 21,766,477
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
21
Top holders
10
ACOG full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Alpha Cognition Inc. SEC filings
Alpha Cognition Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 02074J501
Recent filing periods:
Ownership snapshot
Top reported holders of ACOG - Alpha Cognition Inc. - Common Stock, no par value (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
Solas Capital Management,...
Disclosed value leader
Solas Capital Management,...
Comparable rows
15/15
Latest evidence
15 Jan 2025
13F
13D/G
Lead comparable stake: 8.7%
13D/G row: Solas Capital Management, LLC
Showing 1-6 of 15 holder rows.
Quick read
Solas Capital Management, LLC leads the comparable SEC ownership view at 8.7%.
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 Solas Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
Solas Capital Management, LLC
8.7%
James E. Besser
6.2%
Ikarian Capital, LLC
3.5%
SPHERA FUNDS MANAGEMENT LTD.
2.8%
Cable Car Capital, LP
2.4%
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 |
|---|---|---|---|---|---|
| Solas Capital Management, LLC |
13F
13D/G
Company
|
8.7%
from 13D/G
|
$8,096,497
1,393,328 shares
|
— | 31 Dec 2024 |
| James E. Besser |
13D/G
BESSER JAMES E
|
6.2%
|
$5,176,527
1,003,203 shares
|
$0 | 15 Jan 2025 |
| Ikarian Capital, LLC |
13F
Company
|
3.5%
|
$4,452,057
755,867 shares
|
— | 31 Dec 2024 |
| SPHERA FUNDS MANAGEMENT LTD. |
13F
Company
|
2.8%
|
$3,651,800
620,000 shares
|
— | 31 Dec 2024 |
| Cable Car Capital, LP |
13F
Company
|
2.4%
|
$3,031,724
514,724 shares
|
— | 31 Dec 2024 |
| Sio Capital Management, LLC |
13F
Company
|
2%
|
$2,560,383
434,700 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
21
Shares
6,338,341
Rows available
21
| 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 Q1 2026 Across Filers
Q1 2026 holders
25
Q1 2025 holders
21
Holder diff
-4
| Investor | Q1 2026 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend