Quartzsea Acquisition Corp
QSEA- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002047455
No open-market purchases or sales by Quartzsea Acquisition Corp insiders were filed in the last 90 days; 21 institutions reported holding it in 13F filings for Q2 2026, worth $70.9M in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding Quartzsea Acquisition Corp changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 25 | 25 | 0 |
| Shares | 7.47M | 7.50M | +35.7K (+0.5%) |
| Value | $74.3M | $75.4M | +$1.08M (+1.5%) |
New holders (0)
Institutions that held Quartzsea Acquisition Corp at the end of Q4 2025 but not at the end of Q3 2025.
None.
Sold out (0)
Institutions that held Quartzsea Acquisition Corp at the end of Q3 2025 and filed for Q4 2025 without it.
None.