Institutional shares held 42.4 Million
187K calls
254K puts
Total value of holdings $5.38B
$23.7M calls
$32.2M puts
Market Cap $6.67B
52,530,200 Shares Out.
Institutional ownership 80.71%
# of Institutions 369


Latest Institutional Activity in MASI

Top Purchases

Q1 2024
Black Rock Inc. Shares Held: 7.88M ($1B)
Q1 2024
Holocene Advisors, LP Shares Held: 778K ($98.8M)
Q1 2024
Citadel Advisors LLC Shares Held: 1.35M ($171M)
Q1 2024
Bamco Inc Shares Held: 346K ($43.9M)
Q1 2024
Farallon Capital Management LLC Shares Held: 1.49M ($189M)

Top Sells

Q1 2024
Jackson Square Partners, LLC Shares Held: 296K ($37.6M)
Q1 2024
Schroder Investment Management Group Shares Held: 527K ($66.9M)
Q1 2024
Price T Rowe Associates Inc Shares Held: 71.5K ($9.08M)
Q1 2024
Woodline Partners LP Shares Held: 53.1K ($6.75M)
Q1 2024
Vanguard Group Inc Shares Held: 4.56M ($578M)

About MASI

Masimo Corporation develops, manufactures, and markets noninvasive monitoring technologies and hospital automation solutions worldwide. The company offers masimo signal extraction technology (SET) pulse oximetry with measure-through motion and low perfusion pulse oximetry monitoring to address the primary limitations of conventional pulse oximetry. It also provides Masimo rainbow SET platform that includes rainbow SET Pulse CO-Oximetry products that noninvasively monitor hemoglobin species, including oxygen saturation, pulse rate, perfusion index, pleth variability index, and respiration rate from the pleth; noninvasively monitor hemoglobin concentration, and carboxyhemoglobin and methemoglobin; monitor arterial oxygen saturation and acoustic respiration rate; and calculates oxygen content and oxygen reserve index. It offers SedLine brain function monitoring technology to measure the brain's electrical activity by detecting EEG signals; capnography and gas monitoring products comprising external plug-in-and-measure capnography and gas analyzers, integrated modules, handheld capnograph and capnometer devices, and capnography sampling lines; O3 regional oximetry for tissue oxygen saturation measurement; and hemodynamic monitoring solutions. Its Masimo Hospital Automation platform includes Patient SafetyNet, Patient SafetyNet surveillance, Kite, UniView, Replica, UniView : 60, and MyView. It offers connectivity devices; and nasal high flow ventilation and neuromodulation solutions. It provides its products through direct sales force, distributors, and original equipment manufacturers partners to hospitals, emergency medical service and home care providers, long-term care facilities, physician offices, veterinarians, and consumers; and non-medical/consumer products through e-commerce site, masimopersonalhealth.com. The company was incorporated in 1989 and is headquartered in Irvine, California.


Insider Transactions at MASI

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
65.1K Shares
From 6 Insiders
Exercise of conversion of derivative security 50K shares
Grant, award, or other acquisition 15.1K shares
Sell / Disposition
45.9K Shares
From 6 Insiders
Open market or private sale 40K shares
Payment of exercise price or tax liability 5.86K shares

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