Who owns Alpha Cognition Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ACOG from SEC Form 13F filings across 26 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 26 institutions disclosed 10.5M shares of Alpha Cognition Inc. worth $75.7M — about 48.2% of shares outstanding; the largest disclosed holder is Opaleye Management Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
26
13F holders
$75.7M
value, 2026 filers
48.2%
of shares outstanding (10.5M sh)
2
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ACOG's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Opaleye Management Inc. | 2.9M | $20.9M | 1.9% | 13.3% | +13.0% |
| 2 | Solas Capital Management, LLC | 1.9M | $13.9M | 7.4% | 8.8% | 0.0% |
| 3 | AWM Investment Company, Inc. | 1.7M | $12.1M | 1.0% | 7.7% | 0.0% |
| 4 | Cable Car Capital, LP | 1.4M | $10.0M | 0.2% | 6.3% | 0.0% |
| 5 | Ikarian Capital, LLC | 836,259 | $6.0M | 0.7% | 3.8% | -20.8% |
| 6 | SPHERA FUNDS MANAGEMENT LTD. | 545,816 | $3.9M | 0.5% | 2.5% | -3.8% |
| 7 | Alyeska Investment Group, L.P. | 365,000 | $2.6M | 0.0% | 1.7% | 0.0% |
| 8 | Aristides Capital LLC | 218,510 | $1.6M | 0.3% | 1% | 0.0% |
| 9 | BOOTHBAY FUND MANAGEMENT, LLC | 189,148 | $1.4M | 0.0% | 0.9% | -26.2% |
| 10 | CANTOR FITZGERALD, L. P. | 108,918 | $786,388 | 0.0% | 0.5% | -42.3% |
| 11 | CITADEL ADVISORS LLC | 97,546 | $704,282 | 0.0% | 0.4% | +8.9% |
| 12 | VILLERE ST DENIS J & CO LLC | 71,158 | $513,760 | 0.1% | 0.3% | 0.0% |
| 13 | TUDOR INVESTMENT CORP ET AL | 61,596 | $444,723 | 0.0% | 0.3% | 0.0% |
| 14 | ACT CAPITAL MANAGEMENT, LLC | 51,500 | $371,830 | 0.2% | 0.2% | 0.0% |
| 15 | BERKSHIRE ASSET MANAGEMENT LLC/PANEW | 19,824 | $143,129 | 0.0% | 0.1% | new |
| 16 | TWO SIGMA INVESTMENTS, LP | 18,832 | $135,967 | 0.0% | 0.1% | +18.5% |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 11,992 | $86,582 | 0.0% | 0.1% | 0.0% |
| 18 | RAYMOND JAMES FINANCIAL INC | 10,000 | $72,200 | 0.0% | 0% | 0.0% |
| 19 | NATIONAL BANK OF CANADA /FI/ | 5,292 | $37,717 | 0.0% | 0% | 0.0% |
| 20 | UBS Group AG | 1,456 | $10,512 | 0.0% | 0% | +232.4% |
| 21 | Allworth Financial LP | 750 | $5,415 | 0.0% | 0% | 0.0% |
| 22 | JONES FINANCIAL COMPANIES LLLP | 250 | $1,625 | 0.0% | 0% | +150.0% |
| 23 | Steward Partners Investment Advisory, LLC | 200 | $1,444 | 0.0% | 0% | 0.0% |
| 24 | MORGAN STANLEYNEW | 200 | $1,444 | 0.0% | 0% | new |
| 25 | ROYAL BANK OF CANADA | 122 | $1,000 | 0.0% | 0% | -82.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.