Alpha CognitionACOG
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 28 institutions reported holding Alpha Cognition Inc. (ACOG) in their 13F filings, up 2 from Q2 2025. 7 opened new positions and 5 sold out. The largest holders were Solas Capital Management, LLC ($8.3M), AWM Investment Company, Inc. ($7.1M) and Ikarian Capital, LLC ($6.2M). 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $1.4M |
| Exits | 5 | $2.7M |
All 13F filers, Q2 2025 → Q3 2025: 299,403 shares bought and 375,321 shares sold, net −75,918 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| Solas Capital Management, LLC | 5.09% | Add +0.5% | 1,282,192 | $8.3M |
| AWM Investment Company, Inc. | 0.67% | No change | 1,095,652 | $7.1M |
| Ikarian Capital, LLC | 1.25% | Add +3.1% | 946,259 | $6.2M |
| Cable Car Capital, LP | 4.24% | No change | 869,002 | $5.7M |
| Sphera Funds Management LTD. | 0.52% | Reduce -10.1% | 338,752 | $2.2M |
| Boothbay Fund Management, LLC | 0.05% | Add +10.8% | 291,868 | $1.9M |
| Aristides Capital LLC | 0.32% | No change | 165,458 | $1.1M |
| Corsair Capital Management, L.P. | 0.16% | No change | 134,898 | $878K |
| Opaleye Management Inc. | 0.11% | New | 115,142 | $750K |
| Marshall Wace, LLP | 0.00% | Add +12.3% | 72,212 | $470K |
| Villere St Denis J & Co. LLC | 0.04% | Add +2.2% | 65,258 | $425K |
| Tudor Investment Corporation | 0.00% | Reduce -12.0% | 61,596 | $401K |
| Connective Capital Management, LLC | 0.29% | New | 47,931 | $312K |
| Salem Investment Counselors Inc. | 0.01% | No change | 45,402 | $296K |
| Two Sigma Investments, LP | 0.00% | New | 22,728 | $148K |
| Zullo Investment Group, Inc. | 0.05% | New | 19,500 | $127K |
| Berkshire Asset Management LLC | 0.00% | Add +50.7% | 17,824 | $116K |
| Millennium Management | 0.00% | Add +0.1% | 17,250 | $112K |
| Quadrature Capital Ltd | 0.00% | New | 13,642 | $89K |
| Geode Capital Management, LLC | 0.00% | No change | 11,992 | $78K |
| National Bank of Canada | 0.00% | Reduce -56.2% | 5,292 | $34K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 1,648 | $11K |
| Morgan Stanley | 0.00% | Add +60.0% | 840 | $5K |
| Jones Financial Companies LLLP | 0.00% | New | 200 | $1K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 200 | $1K |
| Royal Bank of Canada | 0.00% | No change | 122 | $1K |
| UBS Group AG | 0.00% | Reduce -99.6% | 141 | $918 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 120 | $781 |
"% of holder's portfolio" is ACOG's weight in each manager's 13F, not the share of Alpha Cognition Inc. the manager owns.