Masimo Corporation Shares Outstanding 2009–2025
Masimo Corporation reported 52.1M of shares outstanding for fiscal 2025. That was 2.8% lower than fiscal 2024. Compared with fiscal 2019, the change was -3.0%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components.
| Fiscal year | Shares Outstanding | Change (YoY) |
|---|---|---|
| FY 2025 | 52.1M | -2.8% |
| FY 2024 | 53.6M | +1.5% |
| FY 2023 | 52.8M | +0.6% |
| FY 2022 | 52.5M | -5.1% |
| FY 2022 | 55.3M | +0.1% |
| FY 2021 | 55.3M | +2.9% |
| FY 2019 | 53.7M | +1.2% |
| FY 2018 | 53.1M | +2.8% |
| FY 2017 | 51.6M | +0.0% |
| FY 2016 | 51.6M | +2.9% |
| FY 2016 | 50.2M | -4.6% |
| FY 2015 | 52.6M | -7.1% |
| FY 2013 | 56.6M | -1.2% |
| FY 2012 | 57.3M | -1.6% |
| FY 2011 | 58.2M | -2.0% |
| FY 2011 | 59.5M | +2.7% |
| FY 2010 | 57.9M | — |
| FY 2009 | 0.0M | — |
Source: Masimo Corporation SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open MASI 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Masimo Corporation reported 52.1M of shares outstanding for fiscal 2025. That was 2.8% lower than fiscal 2024. Compared with fiscal 2019, the change was -3.0%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
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What is Masimo Corporation's shares outstanding?
Masimo Corporation (MASI) reported shares outstanding of 52.1M for fiscal year 2025, per its SEC filings.
Where does this data come from?
Figures are computed from Masimo Corporation's official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.
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