StockData
ACOGNasdaqBiological Products, (No Diagnostic Substances)Fiscal year ends December 31

Alpha Cognition Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$8.50+0.31 (+3.79%)

Close on Oct 19, 2026

Market cap
$185.08M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
48.7%
11M of 22M shares
Institutional holders
26
1 new, 0 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
55 buys · 0 sales
Net bought $7.61M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Ikarian Capital, LLC967,8676.00%13G (passive)Dec 31, 2024
James Silverman3,095,19314.22%13G (passive) amendmentJul 23, 2026
Opaleye Management Inc.2,895,10713.30%13G (passive) amendmentJun 26, 2026
AWM Investment Company, Inc.2,172,0369.90%13G (passive) amendmentDec 31, 2025
James E. Besser1,639,2557.40%13G (passive)Jul 14, 2026
Solas Capital Management, LLC1,393,3288.70%13G (passive)Dec 31, 2024
Manchester Management Company, LLC1,127,1815.10%13G (passive)Dec 30, 2025
Ma-Weaver Jacob1,114,7475.10%13G (passive)Feb 11, 2026
Besser James E1,003,2036.20%13G (passive)Jan 15, 2025

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of ACOGValueChange% of portfolio
Opaleye Management Inc.2,895,46713.30%$20.91M+333,5171.89%
Solas Capital Management, LLC1,924,6178.84%$13.90M–7.45%
AWM Investment Company, Inc.1,672,1687.68%$12.07M–1.05%
Cable Car Capital, LP1,382,3396.35%$9.98M–0.21%
Ikarian Capital, LLC836,2593.84%$6.04M−220,0000.65%
Sphera Funds Management Ltd.545,8162.51%$3.94M−21,8000.51%
Alyeska Investment Group, L.P.365,0001.68%$2.64M–0.01%
Aristides Capital LLC218,5101.00%$1.58M–0.31%
Cantor Fitzgerald, L. P.217,8361.00%$1.57M+29,2050.01%
Boothbay Fund Management, LLC189,1480.87%$1.37M−67,2450.02%
Citadel Advisors LLC97,5460.45%$704.28K+7,9570.00%
Villere St Denis J & Co LLC71,1580.33%$513.76K–0.06%
Tudor Investment Corp Et Al61,5960.28%$444.72K–0.00%
Act Capital Management, LLC51,5000.24%$371.83K–0.24%
Berkshire Asset Management LLC/Pa19,8240.09%$143.13K–0.01%
Two Sigma Investments, LP18,8320.09%$135.97K+2,9460.00%
Geode Capital Management, LLC11,9920.06%$86.58K–0.00%
Raymond James Financial Inc10,0000.05%$72.20K–0.00%
National Bank Of Canada /Fi/5,2920.02%$37.72K–0.00%
UBS Group AG1,4560.01%$10.51K+1,0180.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 20262611M48.7%1 / 74 / 00M0M
Q1 20262511M48.4%3 / 55 / 51M0M
Q4 20252710M45.5%7 / 113 / 85M0M
Q3 2025286M25.9%7 / 85 / 50M0M
Q2 2025266M26.3%9 / 48 / 51M1M
Q1 2025226M29.1%2 / 47 / 31M1M
Q4 2024236M27.3%23 / 00 / 06M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of ACOGValue% of fundAs of
Fidelity Nasdaq Composite Index Fund11,9920.06%$74.23K0.00%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Michael E. McFaddenChief Executive Officer, Director204,6910.94%Jan 13, 2026
Lauren D'AngeloChief Operating Officer140,6950.65%May 19, 2026
Henry Huy DuVP Finance and Accounting20,5790.09%Jan 13, 2026
Robert James WillsDirector32,2410.15%Aug 24, 2026
Bethany SensenigDirector5,4890.03%Apr 17, 2026
Leonard Powell MertzDirector267,2391.23%Jan 16, 2026
Phillip Joseph MertzDirector42,2630.19%Jan 16, 2026
Rajeev Kumar BakshiDirector19,0840.09%Jan 16, 2026
Kenneth Anthony CawkellDirector225,7171.04%Jan 16, 2026
John Prentiss HavensDirector285,5871.31%Apr 29, 2025
Management Inc. Opaleye10% owner3,303,90415.17%Sep 28, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Management Inc. Opaleye
10% owner
Sep 25, 2026Buy+13,426$8.47$113.72K3,203,904
Management Inc. Opaleye
10% owner
Sep 24, 2026Buy+18,337$8.57$157.15K3,190,478
Management Inc. Opaleye
10% owner
Sep 16, 2026Buy+53,029$8.57$454.46K3,145,000
Management Inc. Opaleye
10% owner
Sep 16, 2026Buy+27,141$8.40$227.98K3,172,141
Management Inc. Opaleye
10% owner
Sep 15, 2026Buy+3,375$8.54$28.82K3,091,971
Management Inc. Opaleye
10% owner
Sep 14, 2026Buy+40,373$8.70$351.25K3,088,596
Robert James Wills
Director
Aug 21, 2026Buy+10,000$9.62$96.20K32,241
Management Inc. Opaleye
10% owner
Aug 3, 2026Buy+50,000$8.00$400.00K3,048,223
Management Inc. Opaleye
10% owner
Jul 31, 2026Buy+2,900$7.92$22.97K2,998,223
Management Inc. Opaleye
10% owner
Jul 24, 2026Buy+130$7.90$1.03K2,995,323
Management Inc. Opaleye
10% owner
Jul 23, 2026Buy+49,849$7.80$388.82K2,995,193
Management Inc. Opaleye
10% owner
Jul 22, 2026Buy+140,237$7.83$1.10M2,945,344
Management Inc. Opaleye
10% owner
Jul 22, 2026Buy+10,000$7.83$78.30K100,000
Management Inc. Opaleye
10% owner
Jun 26, 2026Buy+152,336$6.40$974.95K2,805,107
Management Inc. Opaleye
10% owner
Jun 25, 2026Buy+197$6.50$1.28K2,652,771
Management Inc. Opaleye
10% owner
Jun 15, 2026Buy+4,550$5.99$27.25K2,652,574
Management Inc. Opaleye
10% owner
Jun 12, 2026Buy+273$5.93$1.62K2,648,024
Management Inc. Opaleye
10% owner
Jun 11, 2026Buy+2,862$5.91$16.91K2,647,751
Management Inc. Opaleye
10% owner
Jun 10, 2026Buy+5,872$5.99$35.17K2,644,889
Management Inc. Opaleye
10% owner
Jun 9, 2026Buy+24,856$5.98$148.64K2,639,017
Management Inc. Opaleye
10% owner
Jun 5, 2026Buy+10,054$5.83$58.61K2,614,161
Management Inc. Opaleye
10% owner
May 29, 2026Buy+70,577$5.90$416.40K2,604,107
Management Inc. Opaleye
10% owner
May 28, 2026Buy+2,000$5.83$11.66K2,533,530
Management Inc. Opaleye
10% owner
May 27, 2026Buy+1,161$5.73$6.65K2,531,530
Management Inc. Opaleye
10% owner
May 21, 2026Buy+15,945$5.70$90.89K2,530,369
Management Inc. Opaleye
10% owner
May 20, 2026Buy+8,431$5.89$49.66K2,514,424
Lauren D'Angelo
Chief Operating Officer
May 19, 2026Buy+3,500$5.76$20.16K140,695
Management Inc. Opaleye
10% owner
May 18, 2026Buy+17,395$5.69$98.98K2,505,993
Management Inc. Opaleye
10% owner
May 15, 2026Buy+16,648$5.83$97.06K2,488,598
Bethany Sensenig
Director
Apr 16, 2026Award+5,489––5,489
Management Inc. Opaleye
10% owner
Mar 30, 2026Buy+1,850$4.99$9.23K2,471,850
Management Inc. Opaleye
10% owner
Mar 27, 2026Buy+10,000$5.08$50.80K2,470,000
Management Inc. Opaleye
10% owner
Mar 26, 2026Buy+7,319$5.28$38.64K2,460,000
Management Inc. Opaleye
10% owner
Mar 25, 2026Buy+8,581$5.43$46.59K2,452,681
Management Inc. Opaleye
10% owner
Mar 24, 2026Buy+4,182$5.59$23.38K2,444,100
Management Inc. Opaleye
10% owner
Mar 19, 2026Buy+2,094$5.71$11.96K2,439,918
Management Inc. Opaleye
10% owner
Mar 18, 2026Buy+2,481$5.75$14.27K2,437,824
Management Inc. Opaleye
10% owner
Mar 16, 2026Buy+1,331$5.78$7.69K2,435,343
Management Inc. Opaleye
10% owner
Mar 13, 2026Buy+7,358$5.75$42.31K2,434,012
Management Inc. Opaleye
10% owner
Mar 12, 2026Buy+5,708$5.85$33.39K2,426,654
Management Inc. Opaleye
10% owner
Mar 9, 2026Buy+2,179$5.85$12.75K2,420,946
Management Inc. Opaleye
10% owner
Mar 6, 2026Buy+1,900$5.80$11.02K2,418,767
Management Inc. Opaleye
10% owner
Mar 5, 2026Buy+42,023$5.80$243.73K2,416,867
Management Inc. Opaleye
10% owner
Mar 5, 2026Buy+5,000$5.80$29.00K90,000
Management Inc. Opaleye
10% owner
Mar 4, 2026Buy+19,795$5.81$115.01K2,374,844
Management Inc. Opaleye
10% owner
Mar 3, 2026Buy+46,411$5.75$266.86K2,355,049
Management Inc. Opaleye
10% owner
Mar 3, 2026Buy+5,000$5.75$28.75K85,000
Management Inc. Opaleye
10% owner
Mar 2, 2026Buy+20,000$5.80$116.00K2,308,638
Management Inc. Opaleye
10% owner
Feb 27, 2026Buy+3,638$5.99$21.79K2,288,638
Management Inc. Opaleye
10% owner
Feb 26, 2026Buy+590$5.99$3.53K2,285,000
Management Inc. Opaleye
10% owner
Feb 24, 2026Buy+5,000$5.80$29.00K80,000
Management Inc. Opaleye
10% owner
Feb 24, 2026Buy+53,591$5.80$310.83K2,284,410
Management Inc. Opaleye
10% owner
Feb 23, 2026Buy+95,819$5.89$564.37K2,230,819
Management Inc. Opaleye
10% owner
Feb 23, 2026Buy+4,181$5.89$24.63K75,000
Management Inc. Opaleye
10% owner
Feb 20, 2026Buy+10,000$5.84$58.40K2,135,000
Management Inc. Opaleye
10% owner
Feb 20, 2026Buy+2,819$5.84$16.46K70,819
Leonard Powell Mertz
Director
Jan 14, 2026Award+7,241––145,736
Robert James Wills
Director
Jan 14, 2026Award+7,241––22,241
Kenneth Anthony Cawkell
Director
Jan 14, 2026Award+7,241––107,740
Phillip Joseph Mertz
Director
Jan 14, 2026Award+7,241––29,703

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.