QUARTZSEA ACQUISITION CORP

Historical 13F Holders

Symbol
QSEAU
CUSIP
G7314B112
All holders as of
Q2 2026
Type
Equity
Class
UNIT 02/18/2030
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for G7314B112 since 12/18/2024, newest first.

Filer % of Class Filed
Mizuho Financial Group, Inc. 13G 5.6% 11/13/2025
Event 9/30/2025
Harraden Circle Investments, LLC 13G/A Amendment 1
0% 8/14/2025
Event 6/30/2025
TD Securities (USA) LLC 13G/A Amendment 1
2.5% 8/12/2025
Event 6/30/2025
TD Securities (USA) LLC 13G
7.4% 5/13/2025
Event 3/31/2025
Mizuho Financial Group, Inc. 13G 9.0% 5/13/2025
Event 3/31/2025
Feis Equities LLC 13G
9.8% 3/25/2025
Event 3/18/2025
Harraden Circle Investments, LLC 13G
8.7% 3/21/2025
Event 3/18/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q2 2 30.0 k $321 k
2026 Q1 2 159 k $1.67 M
2025 Q4 2 158 k $1.65 M
2025 Q3 3 261 k $2.68 M
2025 Q2 4 649 k $6.68 M
2025 Q1 21 6.08 M $61.4 M