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Below is a table of the MASI shares outstanding history going back to 1/29/2010:
Also see: MASI Market Cap History MASI YTD Return |
MASI Shares Outstanding History — Masimo Share Count Over Time
As of 4/4/2026 Masimo has 52.37 million MASI shares outstanding. Investors often track the MASI shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows MASI share count trends over time, with 69 historical shares outstanding datapoints presented, dating back to 1/29/2010.
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MASI Historical Shares Outstanding: -0.63% CAGR 
Mouse over chart for data details
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| MASI Stock Price Chart |
| About Masimo Corp. |
| Masimo Corporation is a global technology company that develops and produces a range of monitoring technologies, including measurements, sensors, patient monitors, and automation and connectivity solutions. Co.'s segments include Healthcare and Non-healthcare. Its Healthcare segment develops, manufactures and markets a variety of noninvasive patient monitoring technologies, hospital automation and connectivity solutions, remote monitoring devices and consumer health products. Co.'s measurement technologies include Measure-through Motion and Low Perfusion pulse oximetry and advanced rainbow Pulse CO-Oximetry parameters. We show 69 historical shares outstanding datapoints in our coverage of MASI's shares outstanding history. Understanding the changing numbers of MASI shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like MASI versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching MASI by allowing them to research MASI shares outstanding history as well as any other stock in our coverage universe. |
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| MASI Share Performance |
| Shares Outstanding Peers |
| Masimo (MASI) is categorized under the Healthcare sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
MBIO Shares Outstanding History MBOT Shares Outstanding History MBRX Shares Outstanding History MBVX Shares Outstanding History MCK Shares Outstanding History MCRB Shares Outstanding History MD Shares Outstanding History MDCO Shares Outstanding History MDGL Shares Outstanding History MDT Shares Outstanding History More Healthcare companies » |
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