Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
74,046,339
Total 13F shares
56,175,682
Share change
-1,336,046
Total reported value
$8,285,636,420
Put/Call ratio
101%
Price per share
$147.55
Number of holders
354
Value change
-$242,029,720
Number of buys
160
Number of sells
186

Institutional Holders of MASIMO CORP - Common Stock, par value $0.001 per share (MASI) as of Q3 2025

As of 30 Sep 2025, MASIMO CORP - Common Stock, par value $0.001 per share (MASI) was held by 354 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 56,175,682 shares. The largest 10 holders included BlackRock, Inc., FMR LLC, VANGUARD GROUP INC, Politan Capital Management LP, MASSACHUSETTS FINANCIAL SERVICES CO /MA/, T. Rowe Price Investment Management, Inc., Capital Research Global Investors, STATE STREET CORP, WESTFIELD CAPITAL MANAGEMENT CO LP, and Alyeska Investment Group, L.P.. This page lists 354 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.