Quartzsea Acquisition Corp - QSEA
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Aug 14, 2026 | SCHEDULE 13G/A | KARPUS MANAGEMENT, INC. | 9.62% | 974,765 | View |
| Aug 13, 2026 | SCHEDULE 13G/A | Mizuho Financial Group, Inc. | 8.0% | 993,296 | View |
| Aug 06, 2026 | SCHEDULE 13G | W. R. Berkley Corporation | 8.9% | 900,000 | View |
| Aug 06, 2026 | SCHEDULE 13G | Berkley Insurance Company | 8.9% | 900,000 | View |
| Jul 16, 2026 | SCHEDULE 13G/A | Wolverine Asset Management, LLC | 4.89% | 495,488 | View |
| Jul 16, 2026 | SCHEDULE 13G/A | Wolverine Holdings, LLC | 4.89% | 495,488 | View |
| Jul 16, 2026 | SCHEDULE 13G/A | Christopher L. Gust | 4.89% | 495,488 | View |
| Jul 16, 2026 | SCHEDULE 13G/A | Robert R. Bellick | 4.89% | 495,488 | View |
| Jun 08, 2026 | SCHEDULE 13G/A | Feis Equities LLC | 5.26% | 600,132 | View |
| Jun 08, 2026 | SCHEDULE 13G/A | Lawrence M. Feis | 5.26% | 600,132 | View |
| Jun 05, 2026 | SCHEDULE 13G/A | KARPUS MANAGEMENT, INC. | 8.54% | 974,765 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.