Quartzsea AcquisitionQSEAU

13F holders, Q1 2025 (March 31)
20holders
1famous investor
$10.09avg. 13F price*

At the end of Q1 2025, 20 institutions reported holding Quartzsea Acquisition Corp. (QSEAU) in their 13F filings. The largest holders were Harraden Circle Investments, LLC ($10.9M), Mizuho Securities USA LLC ($8.6M) and Rivernorth Capital Management, LLC ($5.0M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Quartzsea Acquisition Corp.
CUSIP
G7314B112
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q1 2025: 20Q1 2025Q2 2025: 3Q2 2025Q3 2025: 3Q3 2025Q4 2025: 2Q4 2025Q1 2026: 2Q1 2026Q2 2026: 2Q2 2026

Total Exit/New Position Q1 2025

InstitutionsTotal Value
New Positions20$61.4M
Exits0$0

Ownership 20 holders

Harraden Circle Investments, LLC 5.31% New 1,075,789 $10.9M
Mizuho Securities USA LLC 0.19% New 856,000 $8.6M
Rivernorth Capital Management, LLC 0.27% New 500,000 $5.0M
AQR Arbitrage LLC 0.22% New 500,000 $5.0M
Mangrove Partners Im, LLC 0.47% New 408,154 $4.1M
Polar Asset Management Partners Inc. 0.16% New 350,000 $3.5M
Wolverine Asset Management LLC 0.23% New 305,000 $3.1M
Glazer Capital, LLC 0.15% New 294,067 $3.0M
Two Sigma Investments, LP 0.01% New 260,999 $2.6M
Shaolin Capital Management LLC 0.89% New 250,000 $2.5M
Crossingbridge Advisors, LLC 1.81% New 200,000 $2.0M
Clear Street LLC 0.04% New 200,000 $2.0M
Linden Advisors LP 0.39% New 175,000 $1.8M
Hudson Bay Capital Management LP 0.01% New 175,000 $1.8M
D. E. Shaw & Co. 0.00% New 170,000 $1.7M
Quarry LP 0.40% New 150,000 $1.5M
Berkley W R Corp. 0.11% New 148,740 $1.5M
Schonfeld Strategic Advisors LLC 0.00% New 40,000 $404K
Warberg Asset Management LLC 1.03% New 24,000 $242K
UBS Group AG 0.00% New 1,999 $20K

"% of holder's portfolio" is QSEAU's weight in each manager's 13F, not the share of Quartzsea Acquisition Corp. the manager owns.