Institutional Ownership
Quartzsea Acquisition Corp
CUSIP G7314B104ORD SHSQ1 2026
13D / 13G Filings
4
Schedule 13D/13G on record
Beneficial Filers
4
Distinct reporting persons
Largest Stake
27.4%
Max % of class reported
Institutional Holders
26
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
4 filings · latest Oct 10, 2025
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Karpus Management, Inc. | 2.26M | $23.40M |
| 2 | Mizuho Securities USA LLC | 677.8K | $6.95M |
| 3 | Wolverine Asset Management LLC | 599.5K | $6.22M |
| 4 | Rivernorth Capital Management, LLC | 499.8K | $5.18M |
| 5 | Mangrove Partners Im, LLC | 408.2K | $4.23M |
| 6 | Berkley W R Corp | 405.5K | $4.21M |
| 7 | Westchester Capital Management, LLC | 366.6K | $3.81M |
| 8 | Aqr Arbitrage LLC | 354.3K | $3.68M |
| 9 | Polar Asset Management Partners Inc. | 350.0K | $3.63M |
| 10 | Toronto Dominion Bank | 200.0K | $2.07M |