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Alpha Cognition (ACOG) Institutional Ownership

Alpha Cognition logo
$9.16 -0.57 (-5.86%)
As of 08/28/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Alpha Cognition (NASDAQ:ACOG)

Number of
Institutional Buyers
(last 12 months)
15
Total
Institutional Inflows
(last 12 months)
$35.79M
Number of
Institutional Sellers
(last 12 months)
5
Total
Institutional Outflows
(last 12 months)
$522.76K
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ACOG Institutional Buying and Selling by Quarter

Alpha Cognition Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2026 AWM Investment Company Inc.1,672,168$12.07M1.0%N/A7.681%
5/14/2026 Aristides Capital LLC218,510$1.20M0.2%+1.4%1.004%
5/1/2026 Villere ST Denis J & Co. LLC71,158$391K0.0%-3.7%0.327%
2/18/2026 Ikarian Capital LLC1,056,259$6.87M0.5%+11.6%4.859%
2/18/2026 Sphera Funds Management LTD.567,616$3.69M0.7%+67.6%2.611%
2/18/2026 Opaleye Management Inc.2,070,784$13.46M1.8%+1,698.5%9.525%
2/18/2026 Boothbay Fund Management LLC256,393$1.67M0.0%-12.2%1.179%
2/18/2026 ACT Capital Management LLC51,500$335K0.3%N/A0.237%
2/17/2026 Cantor Fitzgerald L. P.163,431$1.06M0.0%N/A0.752%
2/13/2026 Marshall Wace LLP53,203$346K0.0%-26.3%0.245%
2/13/2026 AWM Investment Company Inc.1,672,168$10.87M1.0%+52.6%7.691%
2/13/2026 Alyeska Investment Group L.P.365,000$2.37M0.0%N/A1.679%
2/12/2026 Aristides Capital LLC215,458$1.40M0.2%+30.2%0.991%
1/28/2026 Villere ST Denis J & Co. LLC73,875$480K0.0%+13.2%0.340%
1/7/2026 Green Alpha Advisors LLC11,126$72K0.1%N/A0.051%
1/1/2026 Tudor Investment Corp ET AL61,596$401K0.0%-12.0%0.283%
12/9/2025 Tudor Investment Corp ET AL61,596$401K0.0%-12.0%0.283%
11/17/2025 Connective Capital Management LLC47,931$312K0.3%N/A0.220%
11/17/2025 National Bank of Canada FI5,292$34K0.0%-56.2%0.025%
11/17/2025 Boothbay Fund Management LLC291,868$1.90M0.0%+10.8%1.396%
11/14/2025 Two Sigma Investments LP22,728$148K0.0%N/A0.109%
11/7/2025 Berkshire Asset Management LLC PA17,824$116K0.0%+50.7%0.085%
10/23/2025 Zullo Investment Group Inc.19,500$127K0.0%N/A0.093%
8/15/2025 Manatuck Hill Partners LLC117,000$1.09M0.4%+74.6%0.730%
8/15/2025 Massar Capital Management LP12,433$116K0.1%N/A0.078%
8/15/2025 Boothbay Fund Management LLC263,476$2.46M0.0%-6.3%1.645%
8/14/2025 Cable Car Capital LP869,002$8.11M2.1%+68.8%5.424%
8/13/2025 Marshall Wace LLP64,325$600K0.0%N/A0.402%
8/13/2025 Corsair Capital Management L.P.134,898$1.26M0.2%-4.3%0.842%
8/13/2025 Aristides Capital LLC165,458$1.54M0.3%-17.3%1.033%
8/8/2025 Geode Capital Management LLC11,992$112K0.0%N/A0.075%
7/24/2025 Villere ST Denis J & Co. LLC63,838$596K0.1%-11.1%0.398%
5/16/2025AWM Investment Company Inc.1,095,652$5.79M0.8%N/A6.839%
5/16/2025Alyeska Investment Group L.P.337,466$1.71M0.0%-15.6%2.107%
5/15/2025Corsair Capital Management L.P.140,898$713K0.2%-15.9%0.880%
5/15/2025MYDA Advisors LLC46,000$233K0.0%-54.0%0.287%
5/13/2025Altium Capital Management LLC177,416$898K2.2%-35.5%1.107%
5/2/2025Hohimer Wealth Management LLC41,608$211K0.0%-19.4%0.260%
4/24/2025Villere ST Denis J & Co. LLC71,778$363K0.0%+201.0%0.448%
4/16/2025Salem Investment Counselors Inc.45,402$230K0.0%N/A0.283%
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2/17/2025Sphera Funds Management LTD.620,000$3.65M0.7%N/A3.870%
2/17/2025Bleichroeder LP173,900$1.02M0.3%N/A1.086%
2/17/2025Alyeska Investment Group L.P.400,000$2.36M0.0%N/A2.497%
2/14/2025Manatuck Hill Partners LLC67,000$395K0.2%N/A0.418%
2/14/2025Tudor Investment Corp ET AL70,000$412K0.0%N/A0.437%
2/14/2025Boothbay Fund Management LLC218,015$1.28M0.0%N/A1.361%
2/14/2025Solas Capital Management LLC1,393,328$8.10M5.4%N/A8.697%
2/14/2025MYDA Advisors LLC100,000$589K0.1%N/A0.624%
2/14/2025Altium Capital Management LLC275,000$1.62M0.5%N/A1.717%
2/13/2025ADAR1 Capital Management LLC204,348$1.20M0.2%N/A1.276%
2/13/2025Aristides Capital LLC200,000$1.18M0.2%N/A1.248%
2/12/2025National Bank of Canada FI11,741$69K0.0%N/A0.073%
2/11/2025Rosalind Advisors Inc.252,753$1.49M0.7%N/A1.578%


ACOG Institutional Ownership - Frequently Asked Questions

During the previous two years, 31 institutional investors and hedge funds held shares of Alpha Cognition. The most heavily invested institutionals were Opaleye Management Inc. ($13.46M), AWM Investment Company Inc. ($12.07M), Cable Car Capital LP ($8.11M), Solas Capital Management LLC ($8.10M), Ikarian Capital LLC ($6.87M), Sphera Funds Management LTD. ($3.69M), and Alyeska Investment Group L.P. ($2.37M).Learn more on Alpha Cognition's institutional investors.

Of the 29 institutional investors that purchased Alpha Cognition's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: AWM Investment Company Inc. ($3.34M), Opaleye Management Inc. ($1.96M), Solas Capital Management LLC ($1.39M), Sphera Funds Management LTD. ($848.86K), Alyeska Investment Group L.P. ($765K), Cable Car Capital LP ($354.28K), and Altium Capital Management LLC ($275K).

Institutional investors have bought a total of 5,320,467 shares in the last 24 months. This purchase volume represents approximately $35.79M in transactions.

The following institutional investors have sold Alpha Cognition stock in the last 24 months: Boothbay Fund Management LLC ($35.48K), Marshall Wace LLP ($19.01K), Tudor Investment Corp ET AL ($16.81K), National Bank of Canada FI ($6.80K), and Villere ST Denis J & Co. LLC ($2.72K).

Institutional investors have sold a total of 80,810 shares in the last 24 months. This volume of shares sold represents approximately $522.76K in transactions.


Related Companies

Institutional ownership data for NASDAQ:ACOG is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/15/2026. New 13F filings are added each quarter as they're published.
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