MASI Insider Trading

Insider Ownership Percentage: 9.70%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $5,365,764.89

Masimo Insider Trading History Chart

This chart shows the insider buying and selling history at Masimo by year and by quarter.

Skip ChartChart Data in Insider Trading History Table
2022202320242025$0bought$0soldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$4M-$2M$0$2M$4MTotal Insider BuyingTotal Insider Selling

Masimo Share Price & Price History

Current Price: $164.04
Price Change: Price Increase of +0.3 (0.18%)
As of 04/28/2025 05:00 PM ET

This chart shows the closing price history over time for MASI up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
JunJulAugSepOctNovDecJanFebMarApr$164.04Closing price on 04/28/25:

Masimo Insider Trading History

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SEC Filings (Institutional Ownership Changes) for Masimo (NASDAQ:MASI)

85.96% of Masimo stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MASI by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table
2022202320242025$32Mbought$43MsoldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$1B-$500M$0$500M$1BTotal InflowsTotal Outflows
Masimo logo
Masimo Corporation develops, manufactures, and markets various patient monitoring technologies, and automation and connectivity 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; Masimo rainbow SET platform, including rainbow SET Pulse CO-Oximetry products that allows noninvasive monitoring of carboxyhemoglobin, methemoglobin, hemoglobin concentration, fractional arterial oxygen saturation, oxygen content, pleth variability index, rainbow pleth variability index, respiration rate from the pleth, and oxygen reserve index, as well as acoustic respiration monitoring, SedLine brain function monitoring, NomoLine capnography and gas monitoring, and regional oximetry. It also provides brain function and hemodynamic monitoring solutions; patient position and activity tracking, and neuromodulation technology solutions; and Masimo Hospital Automation platform, including hospital automation solutions, including Patient SafetyNet, Patient SafetyNet Surveillance, SafetyNet, Replica, Iris, MyView, UniView, Uniview: 60, Masimo Sleep, Centroid, and Bridg; and nasal high-flow ventilation, neuromodulation therapeutics, and telehealth solutions. In addition, the company 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 home wellness products through e-commerce internet sites, such as masimopersonalhealth.com, amazon.com, and shopify.com. Masimo Corporation was incorporated in 1989 and is headquartered in Irvine, California.
Read More on Masimo

Today's Range

Now: $164.04
Low: $160.70
High: $165.10

50 Day Range

MA: $165.40
Low: $144.40
High: $190.63

52 Week Range

Now: $164.04
Low: $101.61
High: $194.88

Volume

352,186 shs

Average Volume

659,763 shs

Market Capitalization

$8.86 billion

P/E Ratio

113.13

Dividend Yield

N/A

Beta

1.28

Who are the company insiders with the largest holdings of Masimo?

Masimo's top insider shareholders include:
  1. Joe E Kiani (CEO)
  2. Bilal Muhsin (COO)
  3. Craig B Reynolds (Director)
Learn More about top insider investors at Masimo.

Who are the major institutional investors of Masimo?

Masimo's top institutional investors include:
  1. Sumitomo Mitsui Trust Group Inc. — 0.69%
  2. GAMMA Investing LLC — 0.23%
  3. Rhumbline Advisers — 0.23%
  4. New York State Teachers Retirement System — 0.07%
  5. Allspring Global Investments Holdings LLC — 0.07%
  6. Lisanti Capital Growth LLC — 0.06%
Learn More about top institutional investors of Masimo stock.

Which major investors are selling Masimo stock?

During the last quarter, MASI stock was sold by these institutional investors:
  1. Assenagon Asset Management S.A.
  2. KBC Group NV
  3. Allspring Global Investments Holdings LLC
  4. Exchange Traded Concepts LLC
  5. New York State Teachers Retirement System
  6. Teacher Retirement System of Texas
  7. Janney Montgomery Scott LLC
  8. Rhumbline Advisers
Within the last year, company insiders that have sold Masimo company stock include:
  1. Joe E Kiani (CEO)
  2. Bilal Muhsin (COO)
Learn More investors selling Masimo stock.

Which major investors are buying Masimo stock?

In the previous quarter, MASI stock was acquired by institutional investors including:
  1. GAMMA Investing LLC
  2. Lisanti Capital Growth LLC
  3. Perpetual Ltd
  4. RFG Advisory LLC
  5. Wealthquest Corp
  6. Silver Oak Securities Incorporated
  7. Versant Capital Management Inc
  8. Cardinal Capital Management