Alpha CognitionACOG
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 26 institutions reported holding Alpha Cognition Inc. (ACOG) in their 13F filings, up 4 from Q1 2025. 9 opened new positions and 4 sold out. The largest holders were Solas Capital Management, LLC ($11.9M), AWM Investment Company, Inc. ($10.2M) and Ikarian Capital, LLC ($8.6M). 2 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Alpha Cognition Inc.
- CUSIP
- 02074J501
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $1.6M |
| Exits | 4 | $2.7M |
All 13F filers, Q1 2025 → Q2 2025: 576,889 shares bought and 1,018,897 shares sold, net −442,008 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 26 holders
| Solas Capital Management, LLC | 6.66% | Reduce -8.4% | 1,276,012 | $11.9M |
| AWM Investment Company, Inc. | 1.15% | No change | 1,095,652 | $10.2M |
| Ikarian Capital, LLC | 2.83% | Reduce -5.2% | 917,867 | $8.6M |
| Cable Car Capital, LP | 7.53% | Add +68.8% | 869,002 | $8.1M |
| Sphera Funds Management LTD. | 0.92% | Reduce -36.9% | 376,649 | $3.5M |
| Boothbay Fund Management, LLC | 0.08% | Reduce -6.3% | 263,476 | $2.5M |
| Aristides Capital LLC | 0.49% | Reduce -17.3% | 165,458 | $1.5M |
| Bleichroeder LP | 0.32% | Reduce -20.1% | 138,919 | $1.3M |
| Corsair Capital Management, L.P. | 0.24% | Reduce -4.3% | 134,898 | $1.3M |
| Manatuck Hill Partners, LLC | 0.41% | Add +74.6% | 117,000 | $1.1M |
| Tudor Investment Corporation | 0.00% | No change | 70,000 | $653K |
| Marshall Wace, LLP | 0.00% | New | 64,325 | $600K |
| Villere St Denis J & Co. LLC | 0.06% | Reduce -11.1% | 63,838 | $596K |
| Salem Investment Counselors Inc. | 0.01% | No change | 45,402 | $424K |
| UBS Group AG | 0.00% | New | 31,899 | $298K |
| Millennium Management | 0.00% | New | 17,224 | $161K |
| Wexford Capital LP | 0.04% | New | 16,666 | $155K |
| Massar Capital Management, LP | 0.09% | New | 12,433 | $116K |
| Geode Capital Management, LLC | 0.00% | New | 11,992 | $112K |
| National Bank of Canada | 0.00% | Add +2.4% | 12,093 | $111K |
| Berkshire Asset Management LLC | 0.01% | New | 11,824 | $110K |
| BlackRock, Inc. | 0.00% | New | 5,443 | $51K |
| Morgan Stanley | 0.00% | New | 525 | $5K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 200 | $2K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 120 | $1K |
| Royal Bank of Canada | 0.00% | No change | 122 | $1K |
"% of holder's portfolio" is ACOG's weight in each manager's 13F, not the share of Alpha Cognition Inc. the manager owns.