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Masimo Corp
MASIAdd to Watchlist
179.965USD
0.0000.00%
Close 06/26, 16:00（ET）Quotes delayed by 15 min
9.42BMarket Cap
125.98P/E TTM
Shareholding Stats
Updated: Wed, May 13
Updated: Wed, May 13
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Fidelity Management & Research Company LLC
12.51%
Politan Capital Management, L.P.
8.76%
BlackRock Institutional Trust Company, N.A.
8.14%
MFS Investment Management
5.08%
BlackRock Investment Management (UK) Ltd.
5.01%
Other
60.50%
Shareholders
Shareholders
Proportion
Fidelity Management & Research Company LLC
12.51%
Politan Capital Management, L.P.
8.76%
BlackRock Institutional Trust Company, N.A.
8.14%
MFS Investment Management
5.08%
BlackRock Investment Management (UK) Ltd.
5.01%
Other
60.50%
Shareholder Types
Shareholders
Proportion
Investment Advisor
56.69%
Investment Advisor/Hedge Fund
31.75%
Hedge Fund
14.83%
Individual Investor
4.97%
Research Firm
4.58%
Pension Fund
1.11%
Sovereign Wealth Fund
0.79%
Bank and Trust
0.42%
Venture Capital
0.26%
Institutional Shareholding
Updated: Sun, Apr 5
Updated: Sun, Apr 5
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
853
57.76M
110.30%
-5.60M
2025Q4
834
56.90M
105.94%
-6.08M
2025Q3
847
60.04M
111.77%
-4.36M
2025Q2
937
59.97M
110.39%
-7.53M
2025Q1
981
59.62M
109.96%
-8.22M
2024Q4
950
56.99M
105.70%
-7.11M
2024Q3
945
55.24M
103.11%
-8.43M
2024Q2
962
54.27M
102.01%
-12.67M
2024Q1
1002
56.30M
106.05%
-9.64M
2023Q4
1090
55.26M
104.56%
-6.33M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Fidelity Management & Research Company LLC
6.55M
12.55%
-367.25K
-5.31%
Dec 31, 2025
Politan Capital Management, L.P.
4.59M
8.79%
-3.02K
-0.07%
Feb 16, 2026
BlackRock Institutional Trust Company, N.A.
4.26M
8.17%
-40.47K
-0.94%
Dec 31, 2025
MFS Investment Management
2.66M
5.09%
+44.33K
+1.70%
Dec 31, 2025
BlackRock Investment Management (UK) Ltd.
2.62M
5.02%
-393.68K
-13.06%
Dec 31, 2025
Kiani (Joe E)
2.39M
4.59%
-472.09K
-16.47%
Dec 31, 2025
T. Rowe Price Investment Management, Inc.
2.33M
4.46%
+203.40K
+9.56%
Dec 31, 2025
Naya Capital Management UK Limited
1.56M
2.99%
+1.56M
--
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Harbor Health Care ETF
4.85%
iShares US Select Equity Active ETF
3.53%
Global X HealthTech ETF
3.3%
First Trust Nasdaq Lux Digi Health Solutions ETF
2.63%
First Trust Indxx Medical Devices ETF
1.95%
State Street SPDR S&P Health Care Equipment ETF
1.72%
Langar Global HealthTech ETF
1.72%
ROBO Global Healthcare Technology & Innovation ETF
1.27%
Tema Heart & Health ETF
1.24%
Invesco S&P MidCap 400 Pure Growth ETF
1.18%
View more
Harbor Health Care ETF
Proportion4.85%
iShares US Select Equity Active ETF
Proportion3.53%
Global X HealthTech ETF
Proportion3.3%
First Trust Nasdaq Lux Digi Health Solutions ETF
Proportion2.63%
First Trust Indxx Medical Devices ETF
Proportion1.95%
State Street SPDR S&P Health Care Equipment ETF
Proportion1.72%
Langar Global HealthTech ETF
Proportion1.72%
ROBO Global Healthcare Technology & Innovation ETF
Proportion1.27%
Tema Heart & Health ETF
Proportion1.24%
Invesco S&P MidCap 400 Pure Growth ETF
Proportion1.18%
