StockData
QSEANasdaqBlank ChecksFiscal year ends November 30Also trades as QSEAR, QSEAU

Quartzsea Acquisition Corp

Financials through Q3 FY2026, quarter ended Aug 31, 2026Last filing: 10-Q on Oct 9, 2026
$10.72+0.06 (+0.56%)

Close on Oct 19, 2026

Market cap
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P/E (TTM)
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Dividend yield
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Ownership

Who owns Quartzsea Acquisition's shares

Held by institutions
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Shares held, 13F filers
Institutional holders
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Net institutional buying
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Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Mizuho Financial Group, Inc.993,2968.00%13G (passive) amendmentJun 30, 2026
Karpus Management, Inc.974,7659.62%13G (passive) amendmentJun 30, 2026
Berkley Insurance Company900,0008.90%13G (passive)Jun 30, 2026
Lawrence M. Feis814,7979.84%13G (passive)Mar 18, 2025
Feis Equities LLC600,1325.26%13G (passive) amendmentJun 1, 2026
Robert R. Bellick584,5055.12%13G (passive)Sep 30, 2025
Blue Jay Investment LLC3,129,90027.43%13D (active)Mar 19, 2025

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares ownedLatest filing
Qi GongChairwoman, CEO, and CFO, Director3,129,900Mar 28, 2025
Ping ZhangDirector–Mar 28, 2025
Wei ZhangDirector–Mar 28, 2025
Jay Investment LLC Blue10% owner3,129,900Apr 3, 2025