Masimo Corporation (MASI)

NASDAQ:
MASI
| Latest update: Jan 21, 2026, 7:15 PM

Stock events for Masimo Corp. (MASI)

Masimo Corp.'s stock price has declined over the past six months, with a 25.89% decrease from January 6, 2025, to January 2, 2026. A federal jury ordered Apple to pay Masimo $634 million for infringing on blood-oxygen sensor patents. Masimo's quality score has decreased, indicating underperformance in operational efficiency and financial health. Masimo topped EPS and revenue expectations in February 2025, and experienced a surge in Q2 healthcare revenue in August 2024.

Demand Seasonality affecting Masimo Corp.’s stock price

Masimo Corporation's sales growth exhibits seasonality, with demand typically dipping during the summer months and rising in the fourth quarter of the year.

Overview of Masimo Corp.’s business

Masimo Corporation is a health technology and consumer electronics company focused on developing, manufacturing, and marketing non-invasive patient monitoring technologies, medical devices, and sensors. Its core business revolves around its Signal Extraction Technology (SET) pulse oximetry. Masimo has expanded into consumer health products and home audio, acquiring Sound United in 2022 and manufacturing wearable devices like the Masimo W1.

MASI’s Geographic footprint

Masimo Corporation has a significant global presence, operating in over 150 countries across the U.S., Europe, the Middle East and Africa, Asia, Australia, North America, and South America. The company adapts its products to align with regional regulatory standards and clinical practices.

MASI Corporate Image Assessment

Masimo has received recognition for innovation and design, including being named one of Fast Company's Most Innovative Companies in North America and receiving accolades for products like the Masimo W1 Medical Watch and Rad-G Pulse Oximeter. However, despite a patent win against Apple, Masimo's quality score has decreased, indicating underperformance in operational efficiency and financial health compared to industry competitors.

Ownership

Masimo Corporation has substantial institutional ownership, with 779 institutional owners and shareholders holding 67,460,979 shares, representing approximately 104.58% of the company. Masimo insiders own about 18.82%. Major institutional owners include BlackRock, Inc., Fmr Llc, and Vanguard Group Inc. Politan Capital Management LP is the largest individual shareholder, owning 4.59 million shares, representing 8.54% of the company.

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Price Chart

$147.93

10.36%
(1 month)

Top Shareholders

BlackRock, Inc.
19.21%
FMR LLC
15.22%
The Vanguard Group, Inc.
8.93%
Politan Capital Management LP
8.51%
Sun Life Financial, Inc.
4.90%
T. Rowe Price Group, Inc.
4.90%
The Capital Group Cos., Inc.
3.44%
State Street Corp.
2.75%

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FAQ

What is the current stock price of Masimo Corp.?

As of the latest update, Masimo Corp.'s stock is trading at $147.93 per share.

What’s happening with Masimo Corp. stock today?

Today, Masimo Corp. stock is up by 10.36%, possibly due to news.

What is the market sentiment around Masimo Corp. stock?

Current sentiment around Masimo Corp. stock is positive, based on recent news, trading volume, and analyst opinions.

Is Masimo Corp.'s stock price growing?

Over the past month, Masimo Corp.'s stock price has increased by 10.36%.

How can I buy Masimo Corp. stock?

You can buy Masimo Corp. stock through any brokerage platform, such as e.g., Robinhood, Fidelity, E*TRADE, by searching for the ticker symbol MASI

Who are the major shareholders of Masimo Corp. stock?

Major shareholders of Masimo Corp. include institutions such as BlackRock, Inc. (19.21%), FMR LLC (15.22%), The Vanguard Group, Inc. (8.93%) ... , according to the latest filings.