QSEA · Company research
Quartzsea Acquisition Corporation (QSEA): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
32records availableOther
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| MANGROVE PARTNERS IM, LLC | 1535392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 408154 | 89794 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GLAZER CAPITAL, LLC | 1076809 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 126887 | 1335 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 171612 | 1805358 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Westchester Capital Management, LLC | 1512805 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 541253 | 5693982 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RLH Capital LLC | 2008031 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 252439 | 2655658 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| WOLVERINE ASSET MANAGEMENT LLC | 1279891 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 74112 | 16305 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Warberg Asset Management LLC | 1597506 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22916 | 241076 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 119661 | 1258834 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Polar Asset Management Partners Inc. | 1326389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 375000 | 3945000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AQR Arbitrage LLC | 1167456 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 356213 | 3747361 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BERKLEY W R CORP | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1094190 | 11504861 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2000 | 21340 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Hudson Bay Capital Management LP | 1393825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 175159 | 1842673 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Shaolin Capital Management LLC | 1766806 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 114840 | 1208117 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MIZUHO SECURITIES USA LLC | 812291 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 677754 | 6946979 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Clear Street Group Inc. | 1881567 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 128529 | 1352125 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10948 | 115173 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Harraden Circle Investments, LLC | 1910592 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2548048 | 560571 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Linden Advisors LP | 1279396 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 175000 | 33145 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 919185 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 382957 | 84251 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| W.R. Berkley Corporation | 11544 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1094190 | 11504861000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 61 | 642 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Goldman Sachs Group Inc. | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 119661 | 1258834000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| Dakota Wealth Management | 1631353 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 49760 | 523476 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16987 | 178703 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| TORONTO DOMINION BANK | 947263 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 336000 | 73920 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 1447578 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 499664 | 5321422 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Dakota Wealth Management | 1631353 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 69500 | 720715 | — | — | — | Aug 26, 2026 | SEC_13F_DATASET |
| Goldman Sachs Group Inc. | 886982 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 119661 | 1240885000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| Dakota Wealth Management | 1631353 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 69500 | 710985 | — | — | — | Aug 26, 2026 | SEC_13F_DATASET |
| Dakota Wealth Management | 1631353 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 69500 | 704035 | — | — | — | Aug 26, 2026 | SEC_13F_DATASET |
| Goldman Sachs Group Inc. | 886982 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 119661 | 1212166000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.