13F Insight
DOSSIER · 13F Holders · Q4 2025
ACOG

ALPHA COGNITION INC

29 institutions still hold ALPHA COGNITION INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 02074J501·29 13F holders·last filed Dec 31, 2025
Market cap
—
13F value held
$58M
visible holders
Holders
29
filers reporting
Concentration
23.11%
Opaleye Management Inc. #1
top holder share
AI Holders Summary · Q4 2025

29 institutions reported ACOG in Q4 2025. Opaleye Management Inc. leads at 23.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Opaleye Management Inc.
CIK 0001595855
$13M2.1M1.78%Q4 202502
Solas Capital Management, LLC
CIK 0001604867
$11M1.9M6.08%Q1 202603
AWM Investment Company, Inc.
CIK 0001535264
$9M1.7M1.02%Q1 202604
Cable Car Capital, LP
CIK 0001699575
$8M1.4M2.62%Q1 202605
Ikarian Capital, LLC
CIK 0001778253
$6M1.1M0.47%Q1 202606
SPHERA FUNDS MANAGEMENT LTD.
CIK 0001496201
$3M568K0.49%Q1 202607
Alyeska Investment Group, L.P.
CIK 0001453072
$2M365K0.01%Q4 202508
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$1M256K0.02%Q1 202609
Aristides Capital LLC
CIK 0001595521
$1M219K0.26%Q1 202610
CANTOR FITZGERALD, L. P.
CIK 0001024896
$1M189K0.02%Q1 202611
CITADEL ADVISORS LLC
CIK 0001423053
$770K118K0.00%Q4 202512
VILLERE ST DENIS J & CO LLC
CIK 0001113629
$391K71K0.04%Q1 202613
MARSHALL WACE, LLP
CIK 0001318757
$346K53K0.00%Q4 202514
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$338K62K0.00%Q1 202615
ACT CAPITAL MANAGEMENT, LLC
CIK 0001442273
$283K52K0.22%Q1 202616
BERKSHIRE ASSET MANAGEMENT LLC/PA
CIK 0000949012
$109K20K0.00%Q1 202617
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$87K16K0.00%Q1 202618
Quadrature Capital Ltd
CIK 0001651424
$81K13K0.00%Q4 202519
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$66K12K0.00%Q1 202620
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$55K10K0.00%Q1 2026
Page 1 of 2
9 more holders available. Log in →
Insiders at ALPHA COGNITION INC
Opaleye Management Inc. →Sensenig Bethany →Mertz Phillip Joseph →Mertz Leonard Powell →Wills Robert James →Havens John Prentiss →D'Angelo Lauren →Cawkell Kenneth Anthony →