# QUARTZSEA ACQUISITION CORP (QSEA)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/QSEA/

- Reporting holders: 21
- Reported value: $78.0M
- Shares held by institutions: 7,428,722 of 10,134,518 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [MIZUHO SECURITIES USA LLC](https://holderbook.com/funds/812291-mizuho-securities-usa-llc/) | $17.3M | 1,671,050 | 0.2% | 5 |
| [BERKLEY W R CORP](https://holderbook.com/funds/11544-berkley-w-r-corp/) | $11.5M | 1,094,190 | 0.5% | 5 |
| [Karpus Management, Inc.](https://holderbook.com/funds/1048703-karpus-management-inc/) | $10.3M | 974,765 | 0.3% | 5 |
| [Westchester Capital Management, LLC](https://holderbook.com/funds/1512805-westchester-capital-management-llc/) | $6.4M | 611,605 | 0.3% | 5 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1447578-rivernorth-capital-management-llc/) | $5.3M | 499,664 | 0.3% | 4 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1279891-wolverine-asset-management-llc/) | $5.2M | 495,488 | 0.0% | 5 |
| [Polar Asset Management Partners Inc.](https://holderbook.com/funds/1326389-polar-asset-management-partners-inc/) | $3.9M | 375,000 | 0.1% | 5 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $3.7M | 356,213 | 0.1% | 5 |
| [RLH Capital LLC](https://holderbook.com/funds/2008031-rlh-capital-llc/) | $2.7M | 252,439 | 1.3% | 2 |
| [Hudson Bay Capital Management LP](https://holderbook.com/funds/1393825-hudson-bay-capital-management-lp/) | $1.8M | 175,159 | 0.0% | 5 |
| [D. E. Shaw & Co., Inc.](https://holderbook.com/funds/1009207-d-e-shaw-co-inc/) | $1.8M | 171,612 | 0.0% | 5 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $1.6M | 150,000 | 0.0% | 5 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $1.4M | 128,529 | 0.0% | 1 |
| [GLAZER CAPITAL, LLC](https://holderbook.com/funds/1076809-glazer-capital-llc/) | $1.3M | 126,887 | 0.0% | 5 |
| [GOLDMAN SACHS GROUP INC](https://holderbook.com/funds/886982-goldman-sachs-group-inc/) | $1.3M | 119,661 | 0.0% | 5 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $1.2M | 114,840 | 0.1% | 5 |
| [Dakota Wealth Management](https://holderbook.com/funds/1631353-dakota-wealth-management/) | $523.5K | 49,760 | 0.0% | 5 |
| [Warberg Asset Management LLC](https://holderbook.com/funds/1597506-warberg-asset-management-llc/) | $241.1K | 22,916 | 0.0% | 5 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $230.3K | 21,896 | 0.0% | 1 |
| [BNP PARIBAS FINANCIAL MARKETS](https://holderbook.com/funds/1166588-bnp-paribas-financial-markets/) | $178.7K | 16,987 | 0.0% | 2 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $642 | 61 | 0.0% | 5 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 21 | $78.0M |
| Q1 2026 | 26 | $78.0M |
| Q4 2025 | 24 | $75.2M |
| Q3 2025 | 24 | $74.2M |
| Q2 2025 | 24 | $69.7M |