Alpha CognitionACOG
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 26 institutions reported holding Alpha Cognition Inc. (ACOG) in their 13F filings, up 1 from Q1 2026. 1 opened new positions and 0 sold out. The largest holders were Opaleye Management Inc. ($20.9M), Solas Capital Management, LLC ($13.9M) and AWM Investment Company, Inc. ($12.1M). 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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $1K |
| Exits | 0 | $0 |
All 13F filers, Q1 2026 → Q2 2026: 345,831 shares bought and 389,315 shares sold, net −43,484 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 26 holders
| Opaleye Management Inc. | 1.89% | Add +13.0% | 2,895,467 | $20.9M |
| Solas Capital Management, LLC | 7.45% | No change | 1,924,617 | $13.9M |
| AWM Investment Company, Inc. | 1.05% | No change | 1,672,168 | $12.1M |
| Cable Car Capital, LP | 0.22% | No change | 1,382,339 | $10.0M |
| Ikarian Capital, LLC | 0.99% | Reduce -20.8% | 836,259 | $6.0M |
| Sphera Funds Management LTD. | 0.56% | Reduce -3.8% | 545,816 | $3.9M |
| Alyeska Investment Group, L.P. | 0.01% | No change | 365,000 | $2.6M |
| Aristides Capital LLC | 0.40% | No change | 218,510 | $1.6M |
| Boothbay Fund Management, LLC | 0.03% | Reduce -26.2% | 189,148 | $1.4M |
| Cantor Fitzgerald, L. P. | 0.02% | Reduce -42.3% | 108,918 | $786K |
| Citadel Advisors | 0.00% | Add +8.9% | 97,546 | $704K |
| Villere St Denis J & Co. LLC | 0.06% | No change | 71,158 | $514K |
| Tudor Investment Corporation | 0.00% | No change | 61,596 | $445K |
| Act Capital Management, LLC | 0.24% | No change | 51,500 | $372K |
| Berkshire Asset Management LLC | 0.01% | No change | 19,824 | $143K |
| Two Sigma Investments, LP | 0.00% | Add +18.5% | 18,832 | $136K |
| Geode Capital Management, LLC | 0.00% | No change | 11,992 | $87K |
| Raymond James Financial Inc. | 0.00% | No change | 10,000 | $72K |
| National Bank of Canada | 0.00% | No change | 5,292 | $38K |
| UBS Group AG | 0.00% | Add +232.4% | 1,456 | $11K |
| Allworth Financial LP | 0.00% | No change | 750 | $5K |
| Jones Financial Companies LLLP | 0.00% | Add +150.0% | 250 | $2K |
| Morgan Stanley | 0.00% | New | 200 | $1K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 200 | $1K |
| Royal Bank of Canada | 0.00% | Reduce -82.0% | 122 | $1K |
| Harbour Investments, Inc. | 0.00% | Add +1075.0% | 47 | $336 |
"% of holder's portfolio" is ACOG's weight in each manager's 13F, not the share of Alpha Cognition Inc. the manager owns.