Quartzsea AcquisitionQSEA
13F holders, Q2 2025 (June 30)24holders
1famous investor
$10.04avg. 13F price*
At the end of Q2 2025, 24 institutions reported holding Quartzsea Acquisition Corp. (QSEA) in their 13F filings. The largest holders were Karpus Management, Inc. ($23.1M), Wolverine Asset Management LLC ($5.4M) and Mizuho Securities USA LLC ($4.6M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Quartzsea Acquisition Corp.
- CUSIP
- G7314B104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 11 | $33.5M |
| Exits | 0 | $0 |
Ownership 24 holders
| Karpus Management, Inc. | 0.75% | New | 2,300,475 | $23.1M |
| Wolverine Asset Management LLC | 0.39% | Add +74.9% | 533,325 | $5.4M |
| Mizuho Securities USA LLC | 0.10% | — | 457,137 | $4.6M |
| Mangrove Partners Im, LLC | 0.45% | No change | 408,154 | $4.1M |
| AQR Arbitrage LLC | 0.14% | Reduce -24.5% | 377,339 | $3.8M |
| Westchester Capital Management, LLC | 0.22% | New | 366,605 | $3.7M |
| Polar Asset Management Partners Inc. | 0.12% | No change | 350,000 | $3.5M |
| Toronto Dominion Bank | 0.01% | New | 280,095 | $2.8M |
| Two Sigma Investments, LP | 0.00% | No change | 260,999 | $2.6M |
| Shaolin Capital Management LLC | 0.59% | Reduce -10.6% | 223,637 | $2.2M |
| Linden Advisors LP | 0.18% | No change | 175,000 | $1.8M |
| Hudson Bay Capital Management LP | 0.01% | No change | 175,000 | $1.8M |
| D. E. Shaw & Co. | 0.00% | No change | 170,012 | $1.7M |
| Glazer Capital, LLC | 0.07% | Reduce -43.9% | 165,000 | $1.7M |
| Berkley W R Corp. | 0.09% | Add +0.3% | 149,238 | $1.5M |
| Crossingbridge Advisors, LLC | 1.53% | Reduce -35.0% | 130,000 | $1.3M |
| Goldman Sachs Group Inc. | 0.00% | New | 119,661 | $1.2M |
| Virtu Financial LLC | 0.05% | New | 95,248 | $957K |
| Dakota Wealth Management | 0.01% | New | 69,500 | $698K |
| Logan Stone Capital, LLC | 0.24% | New | 50,053 | $503K |
| Clear Street LLC | 0.00% | New | 30,979 | $311K |
| Radcliffe Capital Management, L.P. | 0.12% | New | 26,553 | $267K |
| Warberg Asset Management LLC | 1.02% | No change | 24,000 | $241K |
| Morgan Stanley | 0.00% | New | 26 | $261 |
"% of holder's portfolio" is QSEA's weight in each manager's 13F, not the share of Quartzsea Acquisition Corp. the manager owns.