Mizuho Financial Group Inc - Sep 30, 2025 SCHEDULE 13G Report for Quartzsea Acquisition Corporation Common Shares (QSEAU)

Filing Manager: MIZUHO FINANCIAL GROUP INC
Reporting Manager: Mizuho Financial Group, Inc.
Security: Quartzsea Acquisition Corporation Common Shares
Symbol: QSEAU
Shares outstanding: 11.5M shares
Disclosed Ownership: 642K shares
Ownership: 5.6%
Form type: SCHEDULE 13G
Date filed: 11/13/2025, 06:09 AM
Date of event: Sep 30, 2025
Previous filing: May 13, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Mizuho Financial Group, Inc.	5.6%	642K	642K	0	/s/ Takahiro Katsura	Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department