Masimo

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

You can watch Masimo and buy or sell other stocks, ETFs, and their options commission-free!

About MASI

Masimo Corp. is a global technology company, which engages in the development, manufacture, and marketing of patient monitoring technologies, and automation and connectivity solutions. Its products include remote patient monitoring, connectivity, and hospital automation solutions, including Masimo Patient SafetyNet, Masimo Patient SafetyNet Surveillance, Masimo SafetyNet, Masimo SafetyNet-Open, Replica, Iris, MyView, UniView, Uniview: 60, Trace, Masimo Sleep, Centroid, and Bridge. 

CEO
Catherine M. Szyman, MBA
CEOCatherine M. Szyman, MBA
Employees
7,500
Employees7,500
Headquarters
Irvine, California
HeadquartersIrvine, California
Founded
1989
Founded1989
Employees
7,500
Employees7,500

MASI Key Statistics

Market cap
9.43B
Market cap9.43B
Price-Earnings ratio
123.41
Price-Earnings ratio123.41
Dividend yield
Dividend yield
Average volume
505.77K
Average volume505.77K
High today
High today
Low today
Low today
Open price
Open price
Volume
0.00
Volume0.00
52 Week high
$179.99
52 Week high$179.99
52 Week low
$125.94
52 Week low$125.94

Stock Snapshot

The current Masimo(MASI) stock price is $179.95, with a market capitalization of 9.43B. The stock trades at a price-to-earnings (P/E) ratio of 123.41.

On 2026-08-07, Masimo(MASI) shares started trading at —, with intraday highs of — and lows of —.

Trading activity shows a volume of 0, compared to an average daily volume of 505.77K.

Over the past 52 weeks, Masimo(MASI) stock has traded between a high of $179.99 and a low of $125.94.

Over the past 52 weeks, Masimo(MASI) stock has traded between a high of $179.99 and a low of $125.94.

MASI News

Simply Wall St 4d
Masimo Wins FDA Clearance As Fair Value Questions Return

Masimo (MASI) stock is in focus after the company received FDA 510(k) clearance for its pediatric Patient State Index sedation score, extending the SedLine brai...

Masimo Wins FDA Clearance As Fair Value Questions Return

People also own

Based on the portfolios of people who own MASI. This list is generated using Robinhood data, and it’s not a recommendation.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.