Alpha Cognition Inc. - ACOG
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Opaleye Management Inc. | History | No change | 2,895,467 | 20,905 | 1.89% | 1.89% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Solas Capital Management, LLC | History | No change | 1,924,617 | 13,895 | 7.45% | 7.45% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| AWM Investment Company, Inc. | History | No change | 1,672,168 | 12,073 | 1.05% | 1.05% | 3 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Cable Car Capital, LP | History | No change | 1,382,339 | 9,980 | 0.21% | 0.21% | 4 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Ikarian Capital, LLC | History | No change | 836,259 | 6,037 | 0.65% | 0.65% | 5 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| SPHERA FUNDS MANAGEMENT LTD. | History | No change | 545,816 | 3,940 | 0.51% | 0.51% | 6 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | New | 422,858 | 3,805 | 0.56% | — | 7 | +422,858 | New | Q3 2026 | Oct 19, 2026 |
| Alyeska Investment Group, L.P. | History | No change | 365,000 | 2,635 | 0.01% | 0.01% | 8 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Aristides Capital LLC | History | No change | 218,510 | 1,577 | 0.31% | 0.31% | 9 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | No change | 189,148 | 1,365 | 0.02% | 0.02% | 10 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| CANTOR FITZGERALD, L. P. | History | No change | 108,918 | 786 | 0.01% | 0.01% | 11 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | History | No change | 97,546 | 704 | 0.0% | 0.0% | 12 | 0 | 0.0% | Q2 2026 | Sep 02, 2026 |
| VILLERE ST DENIS J & CO LLC | History | Reduced | 70,158 | 631 | 0.08% | 0.06% | 13 | -1,000 | -1.41% | Q3 2026 | Nov 04, 2026 |
| TUDOR INVESTMENT CORP ET AL | History | No change | 61,596 | 444 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ACT CAPITAL MANAGEMENT, LLC | History | No change | 51,500 | 371 | 0.24% | 0.24% | 15 | 0 | 0.0% | Q2 2026 | Jul 29, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | New | 23,743 | 212 | 0.0% | — | 16 | +23,743 | New | Q3 2026 | Nov 04, 2026 |
| Pekin Hardy Strauss, Inc. | History | New | 23,350 | 210 | 0.02% | — | 17 | +23,350 | New | Q3 2026 | Nov 02, 2026 |
| BERKSHIRE ASSET MANAGEMENT LLC/PA | History | No change | 19,824 | 143 | 0.01% | 0.01% | 18 | 0 | 0.0% | Q2 2026 | Aug 05, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 18,832 | 135 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 11,992 | 86 | 0.0% | 0.0% | 20 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | No change | 10,000 | 72 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | No change | 5,292 | 37 | 0.0% | 0.0% | 22 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| UBS Group AG | History | No change | 1,456 | 10 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| SIMPLEX TRADING, LLC | History | New | 904 | 8 | 0.0% | — | 24 | +904 | New | Q3 2026 | Nov 04, 2026 |
| Allworth Financial LP | History | No change | 750 | 5 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 250 | 1 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MORGAN STANLEY | History | No change | 200 | 1 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| ROYAL BANK OF CANADA | History | No change | 122 | 1 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Steward Partners Investment Advisory, LLC | History | No change | 200 | 1 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| HARBOUR INVESTMENTS, INC. | History | No change | 47 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |