Who Owns QUARTZSEA ACQUISITION CORP (QSEA)? -- Institutional Holders (2026-03-31)
27 institutions reported holding $78.0M of QUARTZSEA ACQUISITION CORP (QSEA) in SEC 13F filings for 2026-03-31. Largest institutional holders: Karpus Management, Inc. ($23.4M), MIZUHO SECURITIES USA LLC ($6.9M), WOLVERINE ASSET MANAGEMENT LLC ($6.2M), RIVERNORTH CAPITAL MANAGEMENT, LLC ($5.2M), MANGROVE PARTNERS IM, LLC ($4.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Karpus Management, Inc. | $23.4M | 2.3M | Trimmed |
| 2 | MIZUHO SECURITIES USA LLC | $6.9M | 677,754 | Added |
| 3 | WOLVERINE ASSET MANAGEMENT LLC | $6.2M | 599,522 | Trimmed |
| 4 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $5.2M | 499,756 | Hold |
| 5 | MANGROVE PARTNERS IM, LLC | $4.2M | 408,154 | Hold |
| 6 | BERKLEY W R CORP | $4.2M | 405,549 | Added |
| 7 | Westchester Capital Management, LLC | $3.8M | 366,605 | Hold |
| 8 | AQR Arbitrage LLC | $3.7M | 354,288 | Trimmed |
| 9 | Polar Asset Management Partners Inc. | $3.6M | 350,000 | Hold |
| 10 | TORONTO DOMINION BANK | $2.1M | 200,000 | Trimmed |
| 11 | Shaolin Capital Management LLC | $1.8M | 176,586 | Hold |
| 12 | Linden Advisors LP | $1.8M | 175,000 | Hold |
| 13 | Hudson Bay Capital Management LP | $1.8M | 175,000 | Hold |
| 14 | D. E. Shaw & Co., Inc. | $1.8M | 170,112 | Added |
| 15 | GLAZER CAPITAL, LLC | $1.6M | 149,544 | Trimmed |
| 16 | Crossingbridge Advisors, LLC | $1.5M | 140,189 | Hold |
| 17 | GOLDMAN SACHS GROUP INC | $1.2M | 119,661 | Hold |
| 18 | Dakota Wealth Management | $720,715 | 69,500 | Hold |
| 19 | TWO SIGMA INVESTMENTS, LP | $614,817 | 59,288 | Trimmed |
| 20 | Logan Stone Capital, LLC | $534,605 | 51,553 | Added |
| 21 | RLH Capital LLC | $428,685 | 41,339 | New |
| 22 | Radcliffe Capital Management, L.P. | $275,355 | 26,553 | Hold |
| 23 | Warberg Asset Management LLC | $227,632 | 21,951 | Trimmed |
| 24 | Wellspring Financial Advisors, LLC | $183,549 | 17,700 | Hold |
| 25 | BNP PARIBAS FINANCIAL MARKETS | $176,155 | 16,987 | New |
Source: SEC Form 13F filings · as of 2026-03-31