Alpha CognitionACOG
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 25 institutions reported holding Alpha Cognition Inc. (ACOG) in their 13F filings, down 2 from Q4 2025. 3 opened new positions and 5 sold out. The largest holders were Opaleye Management Inc. ($14.1M), Solas Capital Management, LLC ($10.6M) and AWM Investment Company, Inc. ($9.2M). 2 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Alpha Cognition Inc.
- CUSIP
- 02074J501
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $55K |
| Exits | 5 | $726K |
All 13F filers, Q4 2025 → Q1 2026: 852,206 shares bought and 228,815 shares sold, net +623,391 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 25 holders
| Opaleye Management Inc. | 1.85% | Add +23.7% | 2,561,950 | $14.1M |
| Solas Capital Management, LLC | 6.08% | Reduce -2.2% | 1,924,617 | $10.6M |
| AWM Investment Company, Inc. | 1.02% | No change | 1,672,168 | $9.2M |
| Cable Car Capital, LP | 3.24% | Add +30.4% | 1,382,339 | $7.6M |
| Ikarian Capital, LLC | 0.83% | No change | 1,056,259 | $5.8M |
| Sphera Funds Management LTD. | 0.54% | No change | 567,616 | $3.1M |
| Alyeska Investment Group, L.P. | 0.01% | No change | 365,000 | $2.0M |
| Boothbay Fund Management, LLC | 0.03% | No change | 256,393 | $1.4M |
| Aristides Capital LLC | 0.40% | Add +1.4% | 218,510 | $1.2M |
| Cantor Fitzgerald, L. P. | 0.04% | Add +15.4% | 188,631 | $1.0M |
| Citadel Advisors | 0.00% | Reduce -24.4% | 89,589 | $492K |
| Villere St Denis J & Co. LLC | 0.04% | Reduce -3.7% | 71,158 | $391K |
| Tudor Investment Corporation | 0.00% | No change | 61,596 | $338K |
| Act Capital Management, LLC | 0.22% | No change | 51,500 | $283K |
| Berkshire Asset Management LLC | 0.00% | No change | 19,824 | $109K |
| Two Sigma Investments, LP | 0.00% | Reduce -72.4% | 15,886 | $87K |
| Geode Capital Management, LLC | 0.00% | No change | 11,992 | $66K |
| Raymond James Financial Inc. | 0.00% | New | 10,000 | $55K |
| National Bank of Canada | 0.00% | No change | 5,292 | $28K |
| Allworth Financial LP | 0.00% | No change | 750 | $4K |
| Royal Bank of Canada | 0.00% | Add +456.6% | 679 | $4K |
| UBS Group AG | 0.00% | Reduce -52.8% | 438 | $2K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 200 | $1K |
| Jones Financial Companies LLLP | 0.00% | New | 100 | $508 |
| Harbour Investments, Inc. | 0.00% | New | 4 | $25 |
"% of holder's portfolio" is ACOG's weight in each manager's 13F, not the share of Alpha Cognition Inc. the manager owns.