Reporting Manager
BlackRock Portfolio Management LLC
Symbol
MASI
Shares outstanding
53,491,488 shares
Disclosed Ownership
4,386,302 shares
Ownership
8.2%
Form type
SCHEDULE 13G/A
Filing time
21 Jan 2026, 12:26:46 UTC
Date of event
31 Dec 2025
Previous filing
04 Mar 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock Portfolio Management LLC 8.2% 4,386,302 4,290,570 0 Spencer Fleming Managing Director