Masimo develops advanced monitoring technologies used across hospitals, critical care, and home-based healthcare environments. The company’s platform supports applications such as neonatal screening, anesthesia monitoring, remote patient tracking, and automated clinical workflow solutions.
Masimo also delivers connected wearables, health analytics, and telehealth devices that enable earlier diagnosis, improved treatment precision, and real-time physiological data insights for clinicians.
What Is Masimo and What Does It Do?
Masimo is a healthcare technology company based in Irvine, California, founded by Joe Kiani. The company focuses on noninvasive monitoring solutions designed to improve patient safety, reduce complications, and enhance clinical decision-making in hospitals and care facilities.
Masimo develops products such as pulse oximetry systems, brain monitoring solutions, advanced hemodynamic monitoring, hospital automation platforms, telehealth tools, and wearable health devices. Its technologies are widely used across emergency care, intensive care, perioperative environments, and neonatal units.
How Much Funding Has Masimo Raised?
1. Series A
- Amount Raised: $10M
- Date: January 2000
- Lead Investors: Sequoia Capital
- Motivation: To support early product development and commercialization of noninvasive monitoring technologies.
2. Series B
- Amount Raised: $20M
- Date: March 2002
- Lead Investors: Kleiner Perkins
- Motivation: To expand R&D capabilities and strengthen clinical adoption initiatives.
3. Series C
- Amount Raised: $30M
- Date: June 2004
- Lead Investors: General Catalyst
- Motivation: To scale manufacturing, expand global market presence, and enhance product innovation.
4. Series D
- Amount Raised: $50M
- Date: September 2006
- Lead Investors: Accel Partners
- Motivation: To accelerate international expansion and broaden the healthcare solutions portfolio.
Total Funding Raised: $110 Million
Latest Funding Date: September, 2006
Key Investors
1. Sequoia Capital
- Details: A leading global venture capital firm backing transformative technology and healthcare companies.
- Investment Focus Areas: Technology, healthcare, consumer services.
- Notable Investments: Apple, Google, LinkedIn.
2. Kleiner Perkins
- Details: A Silicon Valley venture capital firm known for investments in technology and life sciences innovation.
- Investment Focus Areas: Biotechnology, digital health, enterprise software.
- Notable Investments: Amazon, Genentech, Google.
3. General Catalyst
- Details: A global venture capital firm partnering with companies from early to growth stage across software and healthcare.
- Investment Focus Areas: Software, healthcare, consumer platforms.
- Notable Investments: Airbnb, Stripe, Snap.
4. Accel Partners
- Details: A global venture capital firm investing in early- and growth-stage technology companies worldwide.
- Investment Focus Areas: Internet, software, mobile technologies.
- Notable Investments: Facebook, Dropbox, Slack.
Where Is Masimo’s Headquarters?
Masimo is headquartered in Irvine, California, United States, providing strategic proximity to leading medical research institutions, healthcare innovators, and global medical technology markets.
What’s Next for Masimo?
Masimo is expected to continue advancing noninvasive monitoring technologies, expanding its presence in hospital automation, remote monitoring, and AI-driven clinical analytics. Future priorities include strengthening telehealth capabilities, developing consumer-grade medical wearables, and deepening adoption across global healthcare systems.
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