13F Insight
DOSSIER · 13F Holders · Q2 2026
ACOG

ALPHA COGNITION INC

28 institutions still hold ALPHA COGNITION INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 02074J501·28 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$76M
visible holders
Holders
28
filers reporting
Concentration
27.45%
Opaleye Management Inc. #1
top holder share
AI Holders Summary · Q2 2026

28 institutions reported ACOG in Q2 2026. Opaleye Management Inc. leads at 27.4% 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
$21M2.9M1.89%Q2 202602
Solas Capital Management, LLC
CIK 0001604867
$14M1.9M7.45%Q2 202603
AWM Investment Company, Inc.
CIK 0001535264
$12M1.7M1.05%Q2 202604
Cable Car Capital, LP
CIK 0001699575
$10M1.4M0.21%Q2 202605
Ikarian Capital, LLC
CIK 0001778253
$6M1.1M0.47%Q1 202606
SPHERA FUNDS MANAGEMENT LTD.
CIK 0001496201
$4M546K0.51%Q2 202607
Alyeska Investment Group, L.P.
CIK 0001453072
$3M365K0.01%Q2 202608
Aristides Capital LLC
CIK 0001595521
$2M219K0.31%Q2 202609
CANTOR FITZGERALD, L. P.
CIK 0001024896
$2M218K0.01%Q2 202610
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$1M189K0.02%Q2 202611
CITADEL ADVISORS LLC
CIK 0001423053
$704K98K0.00%Q2 202612
VILLERE ST DENIS J & CO LLC
CIK 0001113629
$514K71K0.06%Q2 202613
ACT CAPITAL MANAGEMENT, LLC
CIK 0001442273
$372K52K0.24%Q2 202614
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$338K62K0.00%Q1 202615
BERKSHIRE ASSET MANAGEMENT LLC/PA
CIK 0000949012
$143K20K0.01%Q2 202616
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$136K19K0.00%Q2 202617
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$87K12K0.00%Q2 202618
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$72K10K0.00%Q2 202619
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$38K5K0.00%Q2 202620
UBS Group AG
CIK 0001610520
$11K1K0.00%Q2 2026
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8 more holders available. Log in →
Insiders at ALPHA COGNITION INC
Wills Robert James →Opaleye Management Inc. →Sensenig Bethany →Mertz Phillip Joseph →Mertz Leonard Powell →Havens John Prentiss →D'Angelo Lauren →Cawkell Kenneth Anthony →