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 | Added to | 2,070,784 | 13,460 | 1.78% | 0.11% | 1 | +1,955,642 | 1698.46% | Q4 2025 | Apr 13, 2026 |
| Solas Capital Management, LLC | History | Added to | 1,968,052 | 12,792 | 7.26% | 5.09% | 2 | +685,860 | 53.49% | Q4 2025 | Feb 17, 2026 |
| AWM Investment Company, Inc. | History | Added to | 1,672,168 | 10,869 | 1.05% | 0.67% | 3 | +576,516 | 52.62% | Q4 2025 | Feb 13, 2026 |
| Cable Car Capital, LP | History | Added to | 1,060,212 | 6,891 | 0.23% | 2.42% | 4 | +191,210 | 22.0% | Q4 2025 | Feb 17, 2026 |
| Ikarian Capital, LLC | History | Added to | 1,056,259 | 6,865 | 0.54% | 0.62% | 5 | +110,000 | 11.62% | Q4 2025 | Feb 18, 2026 |
| SPHERA FUNDS MANAGEMENT LTD. | History | Added to | 567,616 | 3,689 | 0.71% | 0.47% | 6 | +228,864 | 67.56% | Q4 2025 | Feb 17, 2026 |
| Alyeska Investment Group, L.P. | History | New | 365,000 | 2,372 | 0.01% | — | 7 | +365,000 | New | Q4 2025 | Feb 13, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | Reduced | 256,393 | 1,666 | 0.02% | 0.03% | 8 | -35,475 | -12.15% | Q4 2025 | Feb 17, 2026 |
| Aristides Capital LLC | History | Added to | 215,458 | 1,400 | 0.25% | 0.16% | 9 | +50,000 | 30.22% | Q4 2025 | Feb 26, 2026 |
| CANTOR FITZGERALD, L. P. | History | New | 163,431 | 1,062 | 0.02% | — | 10 | +163,431 | New | Q4 2025 | Feb 17, 2026 |
| CITADEL ADVISORS LLC | History | New | 118,421 | 769 | 0.0% | — | 11 | +118,421 | New | Q4 2025 | Feb 17, 2026 |
| VILLERE ST DENIS J & CO LLC | History | Added to | 73,875 | 480 | 0.05% | 0.04% | 12 | +8,617 | 13.2% | Q4 2025 | Jan 28, 2026 |
| TUDOR INVESTMENT CORP ET AL | History | No change | 61,596 | 400 | 0.0% | 1.86% | 13 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 57,572 | 374 | 0.0% | 0.0% | 14 | +34,844 | 153.31% | Q4 2025 | Feb 17, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 53,203 | 345 | 0.0% | 0.0% | 15 | -19,009 | -26.32% | Q4 2025 | Feb 13, 2026 |
| ACT CAPITAL MANAGEMENT, LLC | History | New | 51,500 | 334 | 0.27% | — | 16 | +51,500 | New | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 34,706 | 225 | 0.0% | — | 17 | +34,706 | New | Q4 2025 | Feb 17, 2026 |
| BERKSHIRE ASSET MANAGEMENT LLC/PA | History | Added to | 19,824 | 128 | 0.01% | 0.0% | 18 | +2,000 | 11.22% | Q4 2025 | Feb 17, 2026 |
| Quadrature Capital Ltd | History | Reduced | 12,501 | 81 | 0.0% | 0.0% | 19 | -1,141 | -8.36% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 11,992 | 77 | 0.0% | 0.0% | 20 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| Green Alpha Advisors, LLC | History | New | 11,126 | 72 | 0.07% | — | 21 | +11,126 | New | Q4 2025 | Jan 07, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | No change | 5,292 | 34 | 0.0% | 0.0% | 22 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Added to | 927 | 6 | 0.0% | — | 23 | +786 | 557.45% | Q4 2025 | Jan 29, 2026 |
| Allworth Financial LP | History | New | 750 | 4 | 0.0% | — | 24 | +750 | New | Q4 2025 | Feb 05, 2026 |
| ROYAL BANK OF CANADA | History | New | 122 | 1 | 0.0% | — | 25 | +122 | New | Q4 2025 | Feb 17, 2026 |
| Steward Partners Investment Advisory, LLC | History | No change | 200 | 1 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | History | Closed out | 0 | 0 | — | 0.15% | — | -134,898 | -100.0% | Q3 2025 | Apr 21, 2026 |
| Connective Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.29% | — | -47,931 | -100.0% | Q3 2025 | Nov 17, 2025 |
| SALEM INVESTMENT COUNSELORS INC | History | Closed out | 0 | 0 | — | 0.01% | — | -45,402 | -100.0% | Q3 2025 | Oct 07, 2025 |
| Zullo Investment Group, Inc. | History | Closed out | 0 | 0 | — | 0.05% | — | -19,500 | -100.0% | Q3 2025 | Oct 23, 2025 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -17,250 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -1,648 | -100.0% | Q3 2025 | Nov 14, 2025 |
| MORGAN STANLEY | History | Closed out | 0 | 0 | — | 0.0% | — | -840 | -100.0% | Q3 2025 | Nov 14, 2025 |
| JONES FINANCIAL COMPANIES LLLP | History | Closed out | 0 | 0 | — | 0.0% | — | -200 | -100.0% | Q3 2025 | Nov 04, 2025 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 120 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |