Alpha Cognition Inc. Common Stock (ACOG) ownership: Top institutional holder: Opaleye Management Inc. ($14.07M). Insider activity: Net Buyer (11 buys, 9 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Opaleye Management Inc. | 2561950.00 | $14.07M | 2026-03-31 |
| Solas Capital Management, LLC | 1924617.00 | $10.57M | 2026-03-31 |
| AWM Investment Company, Inc. | 1672168.00 | $9.18M | 2026-03-31 |
| Cable Car Capital, LP | 1382339.00 | $7.59M | 2026-03-31 |
| Ikarian Capital, LLC | 1056259.00 | $5.80M | 2026-03-31 |
| SPHERA FUNDS MANAGEMENT LTD. | 567616.00 | $3.12M | 2026-03-31 |
| Alyeska Investment Group, L.P. | 365000.00 | $2.00M | 2026-03-31 |
| BOOTHBAY FUND MANAGEMENT, LLC | 256393.00 | $1.41M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-06-09 | |
| Buy | null | 2026-06-09 | |
| Buy | null | 2026-06-05 | |
| Buy | null | 2026-05-27 | |
| Buy | null | 2026-05-27 | |
| Buy | null | 2026-05-27 | |
| Sell | null | 2026-05-21 | |
| Buy | null | 2026-05-20 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.