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Q

Quartzsea Acquisition QSEA · USD

N/A · US listing · 🇺🇸 United States

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10.74

-0.19%

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
Karpus Investment Management2.3m20.16%+2.3m30 Jun 2025
Mizuho Securities USA, LLC.641.8k5.62%+184.6k30 Sept 2025
Wolverine Asset Management, LLC584.5k5.12%+51.2k30 Sept 2025
Mangrove Partners408.2k3.58%+408.2k30 Jun 2025
AQR Capital Management, LLC377.3k3.31%+377.3k30 Jun 2025
Westchester Capital Management, LLC366.6k3.21%+366.6k30 Jun 2025
Polar Asset Management Partners Inc.350k3.07%+350k30 Jun 2025
TD Securities, Inc.280.1k2.45%+280.1k30 Jun 2025
Two Sigma Investments, LP261k2.29%+261k30 Jun 2025
Shaolin Capital Management, LLC223.6k1.96%+223.6k30 Jun 2025
Hudson Bay Capital Management LP175k1.53%+175k30 Jun 2025
Linden Advisors L.P.175k1.53%+175k30 Jun 2025
D. E. Shaw & Co., L.P.170k1.49%+170k30 Jun 2025
Glazer Capital, LLC165k1.45%+165k30 Jun 2025
Berkley Dean & Company, Inc.149.2k1.31%+149.2k30 Jun 2025

Short interest

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

358

-30.4% on the period before. 1.0 days to cover.

Short volume

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

50.0%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 21 Sept 2026195 shares
  • 15 Sept 2026273 shares
  • 14 Sept 2026221 shares
  • 10 Sept 20263 shares
  • 9 Sept 20262 shares

Sources and methodology

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Our data supplier
Chart on the Overview
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