Data as of Q4 2025 (Dec 31, 2025)
MASI

MASIMO CORP

Institutional Ownership · Q4 2025

Filing: Q4 2025

MASIMO CORP (MASI) is held by 371 institutional investors with combined holdings of $6.5B. Major holders include BlackRock, Inc. (BLK), FMR LLC, Politan Capital Managemen.

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Institutional Holders
371
Total Value
$6.5B
Ownership %
95.8%

🏦 Top Institutional Holders

BlackRock, Inc. (BLK)
8.9M shares
$1.2B
16.91% ownership
FMR LLC
7.9M shares
$1.0B
15.02% ownership
Politan Capital Management LP
4.6M shares
$596.9M
8.76% ownership
VANGUARD GROUP INC
4.3M shares
$565.6M
8.30% ownership
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
2.7M shares
$346.5M
5.09% ownership

📊 Financials

Income statement, balance sheet, and cash flow from SEC filings.

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