# QUARTZSEA ACQUISITION CORP (QSEAR)

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

- Reporting holders: 15
- Reported value: $1.4M
- Shares held by institutions: 6,388,184 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 |
|---|---|---|---|---|
| [Harraden Circle Investments, LLC](https://holderbook.com/funds/1910592-harraden-circle-investments-llc/) | $560.6K | 2,548,048 | 0.1% | 5 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $126.6K | 575,393 | 0.0% | 5 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1447578-rivernorth-capital-management-llc/) | $109.3K | 499,872 | 0.0% | 4 |
| [MANGROVE PARTNERS IM, LLC](https://holderbook.com/funds/1535392-mangrove-partners-im-llc/) | $89.8K | 408,154 | 0.0% | 5 |
| [HIGHBRIDGE CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/919185-highbridge-capital-management-llc/) | $84.3K | 382,957 | 0.0% | 5 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $81.5K | 370,460 | 0.0% | 5 |
| [Polar Asset Management Partners Inc.](https://holderbook.com/funds/1326389-polar-asset-management-partners-inc/) | $77.0K | 350,000 | 0.0% | 5 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $73.9K | 336,000 | 0.0% | 5 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $59.0K | 268,292 | 0.0% | 4 |
| [D. E. Shaw & Co., Inc.](https://holderbook.com/funds/1009207-d-e-shaw-co-inc/) | $37.4K | 170,000 | 0.0% | 5 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $33.1K | 175,000 | 0.0% | 5 |
| [BNP PARIBAS FINANCIAL MARKETS](https://holderbook.com/funds/1166588-bnp-paribas-financial-markets/) | $26.3K | 119,661 | 0.0% | 3 |
| [Hudson Bay Capital Management LP](https://holderbook.com/funds/1393825-hudson-bay-capital-management-lp/) | $22.0K | 100,000 | 0.0% | 5 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1279891-wolverine-asset-management-llc/) | $16.3K | 74,112 | 0.0% | 5 |
| [MIZUHO SECURITIES USA LLC](https://holderbook.com/funds/812291-mizuho-securities-usa-llc/) | $2.0K | 10,235 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 15 | $1.4M |
| Q1 2026 | 16 | $1.0M |
| Q4 2025 | 16 | $1.3M |
| Q3 2025 | 16 | $1.9M |
| Q2 2025 | 15 | $1.9M |