Alpha Cognition Inc. - Common Stock, no par value (ACOG) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2024 to Q4 2025

Type / Class
Equity / Common Stock, no par value
Symbol
ACOG on Nasdaq
Shares outstanding
21,740,228
Price per share
$5.95
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
9,909,100
Total reported value
$64,409,360
% of total 13F portfolios
0%
Share change
+4,214,479
Value change
+$27,391,321
Number of holders
27
Price from insider filings
$5.95
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Alpha Cognition Inc. - Common Stock, no par value (ACOG) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Opaleye Management Inc. 10% +5.7% $13,051,855 +$730,690 2,193,589 +5.9% Opaleye Management Inc. 19 Feb 2026
AWM Investment Company, Inc. 9.9% +49% $14,118,234 +$7,335,627 2,172,036 +108% AWM Investment Company, Inc. 31 Dec 2025
Solas Capital Management, LLC 8.7% $7,189,572 1,393,328 Solas Capital Management, LLC 31 Dec 2024
MANCHESTER MANAGEMENT CO LLC 5.1% $7,326,676 1,127,181 MANCHESTER MANAGEMENT COMPANY, LLC 30 Dec 2025
Funicular Funds, LP 5.1% +4% $6,632,745 +$324,483 1,114,747 +5.1% Funicular Funds, LP 11 Feb 2026
Ikarian Capital, LLC 4.9% -18% $6,865,684 +$574,548 1,056,259 +9.1% Ikarian Capital, LLC 31 Dec 2025
BESSER JAMES E 6.2% $5,176,527 1,003,203 BESSER JAMES E 15 Jan 2025

As of 31 Dec 2025, 27 institutional investors reported holding 9,909,100 shares of Alpha Cognition Inc. - Common Stock, no par value (ACOG). This represents 46% of the company’s total 21,740,228 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Alpha Cognition Inc. - Common Stock, no par value (ACOG) together control 46% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Opaleye Management Inc. 9.5% 2,070,784 +1698% 1.8% $13,460,096
Solas Capital Management, LLC 9.1% 1,968,052 +53% 7.3% $12,792,338
AWM Investment Company, Inc. 7.7% 1,672,168 +53% 1% $10,869,092
Cable Car Capital, LP 4.9% 1,060,212 +22% 0.43% $6,891,378
Ikarian Capital, LLC 4.9% 1,056,259 +12% 0.89% $6,865,685
SPHERA FUNDS MANAGEMENT LTD. 2.6% 567,616 +68% 0.77% $3,689,504
Alyeska Investment Group, L.P. 1.7% 365,000 0.01% $2,372,500
BOOTHBAY FUND MANAGEMENT, LLC 1.2% 256,393 -12% 0.04% $1,666,555
Aristides Capital LLC 0.99% 215,458 +30% 0.48% $1,400,477
CANTOR FITZGERALD, L. P. 0.75% 163,431 0.03% $1,062,302
CITADEL ADVISORS LLC 0.54% 118,421 0% $769,737
VILLERE ST DENIS J & CO LLC 0.34% 73,875 +13% 0.05% $480,187
TUDOR INVESTMENT CORP ET AL 0.28% 61,596 0% 0% $400,374
TWO SIGMA INVESTMENTS, LP 0.26% 57,572 +153% 0% $374,218
MARSHALL WACE, LLP 0.24% 53,203 -26% 0% $345,822
ACT CAPITAL MANAGEMENT, LLC 0.24% 51,500 0% 0.27% $334,750
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.16% 34,706 0% $225,589
BERKSHIRE ASSET MANAGEMENT LLC/PA 0.09% 19,824 +11% 0.01% $128,856
Quadrature Capital Ltd 0.06% 12,501 -8.4% 0% $81,257
GEODE CAPITAL MANAGEMENT, LLC 0.06% 11,992 0% 0% $77,948
Green Alpha Advisors, LLC 0.05% 11,126 0.07% $72,319
NATIONAL BANK OF CANADA /FI/ 0.02% 5,292 0% 0% $34,395
UBS Group AG 0% 927 +557% 0% $6,026
Allworth Financial LP 0% 750 0% $4,875
Steward Partners Investment Advisory, LLC 0% 200 0% 0% $1,300

Institutional Holders of Alpha Cognition Inc. - Common Stock, no par value (ACOG) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 9,909,100 $64,409,360 +$27,391,321 $6.50 27
2025 Q3 5,643,121 $36,736,714 -$1,312,817 $6.51 28
2025 Q2 5,719,039 $53,356,541 -$2,758,990 $9.33 26
2025 Q1 6,338,341 $32,436,125 +$1,749,121 $5.06 21
2024 Q4 5,943,275 $34,895,684 +$34,895,684 $5.89 22