Quartzsea Acquisition Ownership | Who Owns Quartzsea Acquisition?
Quartzsea Acquisition Ownership Summary
Quartzsea Acquisition is owned by 20.56% institutional investors, 4.25% insiders, and 75.19% retail investors. Mizuho securities usa is the largest institutional shareholder, holding 7.07% of QSEA shares.
QSEA Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Quartzsea Acquisition | 20.56% | 4.25% | 75.19% |
| Industry | Shell Companies Stocks | 79.84% | 19.88% | 0.28% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Mizuho securities usa | 676.75K | 7.07% | $6.84M |
| Wolverine asset management | 602.51K | 6.29% | $6.16M |
| Mangrove partners | 408.15K | 4.26% | $4.13M |
| Rivernorth capital management | 397.50K | 4.15% | $4.03M |
| Aqr arbitrage | 369.96K | 3.86% | $3.76M |
| Westchester capital management | 366.61K | 3.83% | $3.72M |
| Polar asset management partners | 350.00K | 3.66% | $3.55M |
| Berkley w r | 288.60K | 3.01% | $2.92M |
| Toronto dominion bank | 266.98K | 2.79% | $2.70M |
| Two sigma investments, lp | 184.13K | 1.92% | $1.87M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Mangrove partners | 408.15K | 0.31% | $4.13M |
| Logan stone capital | 50.05K | 0.23% | $507.04K |
| Rivernorth capital management | 397.50K | 0.23% | $4.03M |
| Westchester capital management | 366.61K | 0.17% | $3.72M |
| Berkley w r | 288.60K | 0.17% | $2.92M |
| Mizuho securities usa | 676.75K | 0.11% | $6.84M |
| Aqr arbitrage | 369.96K | 0.10% | $3.76M |
| Shaolin capital management | 175.00K | 0.08% | $1.77M |
| Crossingbridge advisors | 140.19K | 0.07% | $140.19K |
| Glazer capital | 163.75K | 0.06% | $1.66M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rivernorth capital management | 397.50K | 0.23% | 397.50K |
| Berkley w r | 288.60K | 0.17% | 139.37K |
| Mizuho securities usa | 676.75K | 0.11% | 34.98K |
| Clear street | 30.98K | 0.00% | 30.98K |
| Clear street group | 24.69K | 0.00% | 24.69K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Karpus management | - | - | -2.28M |
| Virtu financial | - | - | -95.25K |
| Two sigma investments, lp | 184.13K | 0.00% | -76.87K |
| Shaolin capital management | 175.00K | 0.08% | -48.64K |
| Toronto dominion bank | 266.98K | 0.00% | -13.12K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Rivernorth capital management | 397.50K | 0.23% | 397.50K | $4.03M |
| Clear street | 30.98K | 0.00% | 30.98K | $311.18K |
| Clear street group | 24.69K | 0.00% | 24.69K | $250.14K |
Sold Out
| Holder | Change |
|---|---|
| Virtu financial | -95.25K |
| Karpus management | -2.28M |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 9 | -64.00% | 1,968,040 | -73.64% | 20 | 0.34% | 4 | -60.00% | - | -100.00% |
| Sep 30, 2025 | 25 | 19.05% | 7,465,732 | 12.29% | 77 | 1.62% | 10 | -52.38% | 6 | - |
| Jun 30, 2025 | 23 | - | 6,938,010 | - | 72 | - | 23 | - | - | - |
QSEA Ownership FAQ
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