Boston Partners - Jun 30, 2025 SCHEDULE 13G/A Report for MASTERBRAND INC Common Stock (MBC)

Filing Manager: Boston Partners
Reporting Manager: Boston Partners
Security: MASTERBRAND INC Common Stock
Symbol: MBC
Shares outstanding: 127M shares
Disclosed Ownership: 7.93M shares
Ownership: 6.26%
Form type: SCHEDULE 13G/A
Date filed: 8/8/2025, 03:00 PM
Date of event: Jun 30, 2025
Previous filing: May 9, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Boston Partners	6.26%	7.93M	7.36M	0	/s/Akiko Lindholm	Senior Compliance Officer