Security key
02074J501
Alpha Cognition Inc. - Common Stock, no par value (ACOG)
CUSIP: 02074J501
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock, no par value
- Total 13F shares
- 9,909,100
- Total 13F value
- $64,409,360
- Share change
- +4,214,479
- SEC-reported price per share
- $6.50
- Number of holders
- 27
- Value change
- +$27,391,321
- Number of buys
- 17
- Number of sells
- 11
- Shares outstanding
- 21,766,477
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
27
Top holders
10
ACOG full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous 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
AWM Investment Company, Inc.
Disclosed value leader
AWM Investment Company, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
13F
Lead comparable stake: 9.9%
13D/G row: AWM Investment Company, Inc.
Showing 1-6 of 15 holder rows.
Quick read
AWM Investment Company, Inc. leads the comparable SEC ownership view at 9.9%.
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 AWM Investment Company, Inc.'s linked filing trail.
Comparable ownership
Top 5
AWM Investment Company, Inc.
9.9%
Solas Capital Management, LLC
8.7%
James E. Besser
6.2%
Ikarian Capital, LLC
4.9%
Cable Car Capital, LP
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 |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. |
13D/G
13F
Company
|
9.9%
|
$14,118,234
2,172,036 shares
|
+$7,335,627 | 31 Dec 2025 |
| Solas Capital Management, LLC |
13F
13D/G
Company
|
8.7%
from 13D/G
|
$8,347,070
1,282,192 shares
|
— | 30 Sep 2025 |
| James E. Besser |
13D/G
BESSER JAMES E
|
6.2%
|
$5,176,527
1,003,203 shares
|
$0 | 15 Jan 2025 |
| Ikarian Capital, LLC |
13D/G
13F
Company
|
4.9%
|
$6,865,684
1,056,259 shares
|
+$574,548 | 31 Dec 2025 |
| Cable Car Capital, LP |
13F
Company
|
4%
|
$5,657,203
869,002 shares
|
— | 30 Sep 2025 |
| SPHERA FUNDS MANAGEMENT LTD. |
13F
Company
|
1.6%
|
$2,205,276
338,752 shares
|
— | 30 Sep 2025 |
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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
27
Shares
9,909,100
Rows available
27
| 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 Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
28
Q4 2025 holders
27
Holder diff
-1
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend