Alpha Cognition (ACOG)
Markets an oral Alzheimer’s treatment while developing related neurodegeneration programs.
$8.80
vs last close−0.15 (−1.68%)
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13F · 13D/G · Form 4
| Institutions | 48.16% | 10.49M shares | |
|---|---|---|---|
| 26 holders · as of Jun 30, 2026 | |||
| Insiders | 5.47% | 1.19M shares | |
| 10 holders · as of Aug 24, 2026 | |||
| Other | 46.37% | 10.10M shares | |
| remainder | |||
21.78M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
Two share counts disagree (21.78M in the company's Sep 23, 2026 report, 15.53M elsewhere); stakes use the report.
13F, as of Jun 30, 2026
26 holders · 10.49M shares · 1 new position · 7 increased · 5 reduced · 0 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Opaleye Management Inc. | 2.90M | 13.30% | +333.5K | Aug 14, 2026 |
| Solas Capital Management, LLC | 1.92M | 8.84% | 0 | Aug 14, 2026 |
| Awm Investment Company, Inc. | 1.67M | 7.68% | 0 | Aug 14, 2026 |
| Cable Car Capital LLC | 1.38M | 6.35% | 0 | Aug 14, 2026 |
| Ikarian Capital, LLC | 836.3K | 3.84% | −220.0K | Aug 14, 2026 |
| Sphera Funds Management Ltd. | 545.8K | 2.51% | −21.8K | Aug 14, 2026 |
| Alyeska Investment Group, L.P. | 365.0K | 1.68% | 0 | Aug 14, 2026 |
| Aristides Capital LLC | 218.5K | 1.00% | 0 | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Opaleye Management Inc. | 13.30% | 2.90M | 13G | Jun 29, 2026 |
| AWM Investment Company, Inc. | 9.90% | 2.17M | 13G | Feb 13, 2026 |
| Solas Capital Management, LLC | 8.70% | 1.39M | 13G | Feb 14, 2025 |
| Besser James E | 6.20% | 1.00M | 13G | Jan 31, 2025 |
| John Havens | 5.30% | 319.2K | 13D | Nov 15, 2024 |
| Funicular Funds, LP | 5.10% | 1.11M | 13G | Feb 19, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 16, 2026 | Opaleye Management Inc.10 percent owner | Purchase · 2 lots | 80,170 | $8.51 | 3,172,141 |
| Sep 15, 2026 | Opaleye Management Inc.10 percent owner | Purchase | 3,375 | $8.54 | 3,091,971 |
| Sep 14, 2026 | Opaleye Management Inc.10 percent owner | Purchase | 40,373 | $8.70 | 3,088,596 |
| Aug 21, 2026 | Robert James Willsdirector | Purchase | 10,000 | $9.62 | 32,241 |
| Jul 31, 2026 | Opaleye Management Inc.10 percent owner | Purchase | 2,900 | $7.92 | 2,998,223 |
| Aug 3, 2026 | Opaleye Management Inc.10 percent owner | Purchase | 50,000 | $8.00 | 3,048,223 |
| Jul 24, 2026 | Opaleye Management Inc.10 percent owner | Purchase | 130 | $7.90 | 2,995,323 |
| Jul 22, 2026 | Opaleye Management Inc.10 percent owner | Purchase · 2 lots | 150,237 | $7.83 | 2,945,344 |
| Jul 23, 2026 | Opaleye Management Inc.10 percent owner | Purchase | 49,849 | $7.80 | 2,995,193 |
| Jun 25, 2026 | Opaleye Management Inc.10 percent owner | Purchase | 197 | $6.50 | 2,652,771 |
House and Senate disclosures
Not reported.