Monolithic Power Systems, Inc. Shares Outstanding 2009–2025
Monolithic Power Systems, Inc. reported 48.7M of shares outstanding for fiscal 2025. That was 1.9% higher than fiscal 2024. Compared with fiscal 2020, the change was +7.6%. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details.
| Fiscal year | Shares Outstanding | Change (YoY) |
|---|---|---|
| FY 2025 | 48.7M | +1.9% |
| FY 2024 | 47.8M | -0.4% |
| FY 2023 | 48.0M | +2.0% |
| FY 2022 | 47.1M | +1.8% |
| FY 2021 | 46.3M | +2.2% |
| FY 2020 | 45.3M | +3.8% |
| FY 2019 | 43.6M | +2.6% |
| FY 2018 | 42.5M | +2.1% |
| FY 2017 | 41.6M | +2.0% |
| FY 2016 | 40.8M | +2.8% |
| FY 2015 | 39.7M | +2.2% |
| FY 2014 | 38.8M | +1.4% |
| FY 2013 | 38.3M | +107238.9% |
| FY 2012 | 0.0M | -99.9% |
| FY 2011 | 33.8M | -3.5% |
| FY 2010 | 35.1M | — |
| FY 2009 | 0.0M | — |
Source: Monolithic Power Systems, Inc. SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open MPWR 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Monolithic Power Systems, Inc. reported 48.7M of shares outstanding for fiscal 2025. That was 1.9% higher than fiscal 2024. Compared with fiscal 2020, the change was +7.6%. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details. 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.
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What is Monolithic Power Systems, Inc.'s shares outstanding?
Monolithic Power Systems, Inc. (MPWR) reported shares outstanding of 48.7M for fiscal year 2025, per its SEC filings.
Where does this data come from?
Figures are computed from Monolithic Power Systems, Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.
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