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Masimo Corporation shares owned by Water Island Capital

Quarter-by-quarter ownership of Masimo Corporation (MASI) shares owned by Water Island Capital from 13F filings

Historical chart of Water Island Capital investment in Masimo Corporation

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All positions including Masimo Corporation held by Water Island Capital consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Masimo Corporation by Water Island Capital

Quarter filed Position value Share count Share price at filing
2026-03-31 $35M 194k 177.87

More positions owned by Water Island Capital

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View all positions for Water Island Capital

Top funds holding Masimo Corporation

FMR
BlackRock
Politan Capital Management
Vanguard Group
Pentwater Capital Management
Massachusetts Financial Services
HBK Investments
T. Rowe Price Investment Management
Vanguard Capital Management
Vanguard Portfolio Management
State Street Corporation
Millennium Management
Goldman Sachs Group
Geode Capital Management
Balyasny Asset Management

View all funds holding Masimo Corporation