BlackRock Portfolio Management LLC - 28 Feb 2025 SCHEDULE 13G Report for MASIMO CORP Common Stock (MASI)

Filing Manager: BlackRock Portfolio Management LLC
Reporting Manager: BlackRock Portfolio Management LLC
Security: MASIMO CORP Common Stock
Symbol: MASI
Shares outstanding: 53,755,087 shares
Disclosed Ownership: 5,536,774 shares
Ownership: 10%
Form type: SCHEDULE 13G
Filing time: 04 Mar 2025, 12:39:14 UTC
Date of event: 28 Feb 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock Portfolio Management LLC	10%	5,536,774	5,522,219	0	Spencer Fleming	Managing Director