QSEA QUARTZSEA ACQUISITION CORP: institutional ownership and insider trading
22 funds reported holding $67.8M of QUARTZSEA ACQUISITION CORP in their latest 13F filings; in Q2 2026 funds net sold $11.6M, with 2 new positions and 7 funds selling out.
Famous investors holding QSEA
- D. E. Shaw (D. E. Shaw & Co.): $1.81M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $115K, 0.0% of the portfolio
Largest institutional holders of QSEA
- BERKLEY W R CORP (WRB, WRB-PE, WRB-PF, WRB-PG, WRB-PH) — $11.5M
- Karpus Management, Inc. — $10.3M
- MIZUHO SECURITIES USA LLC — $6.95M
- Westchester Capital Management, LLC — $6.43M
- RIVERNORTH CAPITAL MANAGEMENT, LLC — $5.32M
- WOLVERINE ASSET MANAGEMENT LLC — $5.21M
- Polar Asset Management Partners Inc. — $3.95M
- AQR Arbitrage LLC — $3.75M
- RLH Capital LLC — $2.66M
- Hudson Bay Capital Management LP — $1.84M
5%+ owners
- KARPUS MANAGEMENT, INC.: 9.6% (Schedule 13G/A, filed Aug 14, 2026)
- Mizuho Financial Group, Inc.: 8.0% (Schedule 13G/A, filed Aug 13, 2026)
- Feis Equities LLC: 5.3% (Schedule 13G/A, filed Jun 8, 2026)