Alpha Cognition Inc
Ownership
Ownership Structure
Who owns Alpha Cognition Inc (ACOG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 52.7% of the shares are freely tradable; institutional investors hold 55.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Opaleye Management Inc | 13.30 | 2,895,467 | +13.0 | 06/30/2026 |
| Solas Capital Management LLC | 8.84 | 1,924,617 | -2.2 | 03/31/2026 |
| Awm Investment Company Inc | 7.68 | 1,672,168 | +0.0 | 03/31/2026 |
| Cable Car Capital LLC | 6.35 | 1,382,339 | +30.4 | 03/31/2026 |
| Ikarian Capital, LLC | 4.85 | 1,056,259 | +0.0 | 03/31/2026 |
| Sphera Funds Management Ltd. | 2.61 | 567,616 | +0.0 | 03/31/2026 |
| Alyeska Investment Group, L.P. | 1.68 | 365,000 | +0.0 | 03/31/2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | 1.18 | 256,393 | +0.0 | 03/31/2026 |
| Aristides Capital LLC | 1.00 | 218,510 | +1.4 | 03/31/2026 |
| CANTOR FITZGERALD, L. P. | 0.87 | 188,631 | +15.4 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Opaleye Management Inc. | 10% Owner | 3,172,141 | 26,963,199 $ | Sep 16, 2026 | indirect |
| Wills Robert James | Director | 32,241 | 274,049 $ | Aug 21, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | Opaleye Management Inc. | 10% Owner | Buy | 27,141 | 8.40 | 227,984 |
| Sep 16, 2026 | Opaleye Management Inc. | 10% Owner | Buy | 53,029 | 8.57 | 454,607 |
| Sep 15, 2026 | Opaleye Management Inc. | 10% Owner | Buy | 3,375 | 8.54 | 28,831 |
| Sep 14, 2026 | Opaleye Management Inc. | 10% Owner | Buy | 40,373 | 8.70 | 351,084 |
| Aug 21, 2026 | Wills Robert James | Director | Buy | 10,000 | 9.62 | 96,200 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 25, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.