Alpha Cognition Inc.

Historical 13F Holders

Symbol
ACOG
CUSIP
02074J501
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 02074J501 since 12/18/2024, newest first.

Filer % of Class Filed
Manchester Management Co LLC 13G
7.4% 9/23/2026
Event 7/14/2026
Opaleye Management Inc. 13G/A Amendment 7
14.2% 7/24/2026
Event 7/23/2026
Opaleye Management Inc. 13G/A Amendment 6
13.3% 6/29/2026
Event 6/26/2026
Opaleye Management Inc. 13G/A Amendment 5
12.0% 5/22/2026
Event 5/21/2026
Manchester Management Co LLC 13G/A Amendment 1
4.9% 5/12/2026
Event 3/31/2026
Opaleye Management Inc. 13G/A Amendment 4
11.8% 5/11/2026
Event 3/31/2026
Opaleye Management Inc. 13G/A Amendment 3
11.0% 3/4/2026
Event 3/2/2026
Opaleye Management Inc. 13G/A Amendment 2
10.1% 2/20/2026
Event 2/19/2026
Opaleye Management Inc. 13G/A Amendment 1
10.4% 2/20/2026
Event 2/19/2026
Funicular Funds, LP 13G
5.1% 2/19/2026
Event 2/11/2026
Funicular Funds, LP 13G/A Amendment 1
4.9% 2/18/2026
Event 12/31/2025
Ikarian Capital, LLC 13G/A Amendment 1
4.9% 2/17/2026
Event 12/31/2025
Manchester Management Co LLC 13G
5.1% 2/17/2026
Event 12/30/2025
AWM Investment Company, Inc. 13G/A Amendment 1 9.9% 2/13/2026
Event 12/31/2025
Opaleye Management Inc. 13G
9.5% 2/6/2026
Event 12/31/2025
Opaleye Management Inc. 13G
9.0% 10/3/2025
Event 10/1/2025
Funicular Funds, LP 13G
5.4% 4/16/2025
Event 4/9/2025
Solas Capital Management, LLC 13G
8.7% 2/14/2025
Event 12/31/2024
Ikarian Capital, LLC 13G
6.0% 2/14/2025
Event 12/31/2024
AWM Investment Company, Inc. 13G/A Amendment 1 6.5% 2/13/2025
Event 12/31/2024
AWM Investment Company, Inc. 13G 7.1% 2/13/2025
Event 12/31/2024
Besser James E 13G
6.2% 1/31/2025
Event 1/15/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q2 27 10.6 M $76.5 M
2026 Q1 25 10.5 M $57.8 M
2025 Q4 27 9.91 M $64.4 M
2025 Q3 28 5.64 M $36.7 M
2025 Q2 28 5.72 M $53.4 M
2025 Q1 23 6.34 M $32.4 M
2024 Q4 24 5.94 M $34.9 M