Alpha Cognition

ACOG · NASDAQ

$8.61+$0.11 (+1.29%)TodayMarket closed · Oct 20, 4:10 PM ET

Prev close $8.50

Who owns ACOG

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 51.6% of ACOG’s shares.

Opaleye Management Inc.14.2%
Solas Capital Management, LLC8.8%
AWM Investment Company, Inc.7.7%
Cable Car Capital, LP6.3%
Next 6 largest institutions14.5%
All other shareholders48.4%

Top institutional holders of ACOG
Holder	Shares	% of shares	Change, last filing	Filed
Opaleye Management Inc.	3.10M	14.22%	+199.73K	Jul 23, 2026
Solas Capital Management, LLC	1.92M	8.84%	+0	Jun 30, 2026
AWM Investment Company, Inc.	1.67M	7.68%	+0	Jun 30, 2026
Cable Car Capital, LP	1.38M	6.35%	+0	Jun 30, 2026
Manchester Management Company, L.L.C.	919.93K	4.23%	−207.25K	Mar 31, 2026
Ikarian Capital LLC	836.26K	3.84%	−220.00K	Jun 30, 2026
Sphera Funds Management Ltd.	545.82K	2.51%	−21.80K	Jun 30, 2026
Alyeska Investment Group, L.P.	365.00K	1.68%	+0	Jun 30, 2026
Mertz (Leonard Powell)	267.24K	1.23%	−64.01K	Apr 24, 2026
Cawkell (Kenneth Anthony)	225.72K	1.04%	−151.64K	Apr 24, 2026

Largest mutual fund holders

Top mutual fund holders of ACOG
Holder	Shares	% of shares	Change, last filing	Filed
Fidelity NASDAQ Composite Index Fund	14.31K	0.07%	+2.31K	Jul 31, 2026
Avantis US Small Cap Equity ETF	4.19K	0.02%	+4.19K	Aug 31, 2026
Dimensional Gl Core Equity Lower Crbn ESG Scrnd Fd	1.73K	0.01%	+0	Jun 30, 2026
Dimensional World Equity Fund	1.21K	0.01%	+1.21K	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $4.66M (28 trades) of ACOG on the open market, with no sales.

Latest ACOG insider transactions
Insider	Date	Type	Shares	Price	Value
Opaleye Management Inc.	Oct 1, 2026	Buy	19.05K	$8.69	$165.63K
Opaleye Management Inc.	Sep 25, 2026	Buy	13.43K	$8.47	$113.72K
Opaleye Management Inc.	Sep 24, 2026	Buy	18.34K	$8.57	$157.08K
Opaleye Management Inc.	Sep 16, 2026	Buy	27.14K	$8.40	$227.98K
Opaleye Management Inc.	Sep 16, 2026	Buy	53.03K	$8.57	$454.61K
Opaleye Management Inc.	Sep 15, 2026	Buy	3.38K	$8.54	$28.83K
Opaleye Management Inc.	Sep 14, 2026	Buy	40.37K	$8.70	$351.08K
Wills Robert James	Aug 21, 2026	Buy	10.00K	$9.62	$96.20K
Opaleye Management Inc.	Aug 3, 2026	Buy	50.00K	$8.00	$400.00K
Opaleye Management Inc.	Jul 31, 2026	Buy	2.90K	$7.92	$22.98K

Short interest

Settled Sep 30, 2026

Shares short: 323.40K
Days to cover: 2.79
% of shares outstanding: 1.49%
Average daily volume: 115.85K
Change since last report: +54.6%

Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.