MIZUHO FINANCIAL GROUP INC - 31 Dec 2025 SCHEDULE 13G Report for M3-Brigade Acquisition V Corp. Common Shares (MBAV)

Filing Manager: MIZUHO FINANCIAL GROUP INC
Reporting Manager: Mizuho Financial Group, Inc.
Security: M3-Brigade Acquisition V Corp. Common Shares
Symbol: MBAV
Shares outstanding: 28,904,545 shares
Disclosed Ownership: 2,543,600 shares
Ownership: 8.8%
Form type: SCHEDULE 13G
Filing time: 12 Feb 2026, 06:32:48 UTC
Date of event: 31 Dec 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.	8.8%	2,543,600	2,543,600	0	/s/ Takahiro Katsura	Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department