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Who owns Alpha Cognition (ACOG) stock

24 funds reported Alpha Cognition (ACOG) shares in their latest 13F filings, worth $67.1M in all. The largest holder is Opaleye Management ($20.9M). Last quarter 6 funds added to their stakes and 4 cut them.

Largest holders of ACOG (13F)Largest holders of ACOG (13F)Opaleye Management$20.9MSolas Capital Management, LLC$13.9MCable Car Capital, LP$10.0MIkarian Capital, LLC$6.0MSphera Funds Management$3.9MEssex Investment Management Co LLC$3.8MAlyeska Investment Group, L.P.$2.6MAristides Capital LLC$1.6MBoothbay Fund Management, LLC$1.4MCitadel Advisors LLC$704K

Largest holders (13F)

FundSharesValueChangeQuarter
Opaleye Management2,895,467$20.9Mincrease2026-06-30
Solas Capital Management, LLC1,924,617$13.9Munchanged2026-06-30
Cable Car Capital, LP1,382,339$10.0Munchanged2026-06-30
Ikarian Capital, LLC836,259$6.0Mdecrease2026-06-30
Sphera Funds Management545,816$3.9Mdecrease2026-06-30
Essex Investment Management Co LLC422,858$3.8Mnew2026-09-30
Alyeska Investment Group, L.P.365,000$2.6Munchanged2026-06-30
Aristides Capital LLC218,510$1.6Munchanged2026-06-30
Boothbay Fund Management, LLC189,148$1.4Mdecrease2026-06-30
Citadel Advisors LLC97,546$704Kincrease2026-06-30
Villere ST Denis J & Co LLC71,158$514Kunchanged2026-06-30
ACT Capital Partners, L.P.51,500$464Kbase2026-09-30
Tudor Investment Corp et Al61,596$445Kunchanged2026-06-30
ACT Capital Management, LLC51,500$372Kunchanged2026-06-30
Berkshire Asset Management LLC19,824$143Kunchanged2026-06-30

Alpha Cognition's latest quarter

Alpha Cognition, Q2 2026: revenue $6.1M (+268% year over year), operating margin -127.3%, net loss $8.8M, operating cash flow −$6.9M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ACOG stock?

By the latest 13F filings: Opaleye Management ($20.9M); Solas Capital Management, LLC ($13.9M); Cable Car Capital, LP ($10.0M); Ikarian Capital, LLC ($6.0M); Sphera Funds Management ($3.9M).

What is the short interest in ACOG?

352,521 shares were sold short at the 2026-10-15 settlement, 9.0% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.