Quartzsea AcquisitionQSEAU

13F holders, Q3 2025 (September 30)
3holders
0new positions
0sold out
$10.28avg. 13F price*

At the end of Q3 2025, 3 institutions reported holding Quartzsea Acquisition Corp. (QSEAU) in their 13F filings, unchanged from Q2 2025. 0 opened new positions and 0 sold out. The largest holders were Clear Street Group Inc. ($1.6M), Rivernorth Capital Management, LLC ($1.0M) and UBS Group AG ($20K).

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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions0$0
Exits0$0

All 13F filers, Q2 2025 → Q3 2025: 397,628 shares sold, net −397,628 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 3 holders

Clear Street Group Inc. 0.01% — 156,466 $1.6M
Rivernorth Capital Management, LLC 0.06% Reduce -79.5% 102,372 $1.0M
UBS Group AG 0.00% No change 2,000 $20K

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