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Alpha Cognition ACOG · USD

Health Care · US listing · 🇺🇸 United States

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8.90

+7.36%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
Opaleye Management Inc.1.9m8.63%+1.9m1 Oct 2025
Solas Capital Management, LLC1.3m5.87%−117.3k30 Jun 2025
AWM Investment Company, Inc.1.1m5.04%—30 Jun 2025
Ikarian Capital LLC917.9k4.22%−50k30 Jun 2025
Cable Car Capital LLC869k4.00%+55430 Jun 2025
Sphera Funds Management Ltd.376.6k1.73%−220.3k30 Jun 2025
Boothbay Fund Management, LLC263.5k1.21%−17.9k30 Jun 2025
Aristides Capital, L.L.C.165.5k0.76%−34.5k30 Jun 2025
Bleichroeder LP138.9k0.64%−35k30 Jun 2025
Corsair Capital Management, L.P.134.9k0.62%−6k30 Jun 2025
Manatuck Hill Partners, LLC117k0.54%+50k30 Jun 2025
Tudor Investment Corporation70k0.32%—30 Jun 2025
Marshall Wace LLP64.3k0.30%+64.3k30 Jun 2025
St. Denis J. Villere & Company, LLC63.8k0.29%−7.9k30 Jun 2025
Salem Investment Counselors, Inc.45.4k0.21%—30 Sept 2025

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

352.5k

+9.0% on the period before. 3.8 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

55.0%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 22 Sept 20261,311 shares
  • 8 Sept 20263,691 shares
  • 19 Aug 2026234 shares
  • 17 Aug 2026268 shares
  • 13 Aug 2026336 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.