Masimo (NASDAQ: MASI) is a global medical technology company that develops and produces a wide array of industry-leading monitoring technologies, including innovative measurements, sensors, patient monitors, and automation and connectivity solutions. Our mission is to improve life, improve patient outcomes, reduce the cost of care, and take noninvasive monitoring to new sites and applications. Masimo SET® Measure-through Motion and Low Perfusion™ pulse oximetry, introduced in 1995, has been shown to outperform other pulse oximetry technologies in over 100 independent and objective studies, which can be found at www.masimo.com/evidence/featured-studies/feature. Masimo SET® is estimated to be used on more than 200 million patients around the world each year and is the primary pulse oximetry at all 10 top U.S. hospitals as ranked in the 2025 Newsweek World’s Best Hospitals listing. Additional information about Masimo and its products may be found at www.masimo.com.
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The Masimo annual revenue was $2 billion in 2026.
Rick Fishel is the President, Worldwide OEM Business and Strategic Business Development of Masimo.
2,580 people are employed at Masimo.
Masimo is based in Irvine, California.
The NAICS codes for Masimo are [62, 6215, 621, 33, 62151, 334].
The SIC codes for Masimo are [384, 38].