Monolithic Power Systems, Inc.
Rank #200HypergrowthMPWR · Nasdaq · Technology
Monolithic Power Systems, Inc. (MPWR) — Rank #200 by gross profitability (GP/assets 0.33) · ROE 16.0% · Piotroski F-Score 5 / 9.
As-of 2026-09-15 · CIK 0001280452 · all metrics point-in-time as of the filing date.
About
Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally.
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The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications. It also provides alternating current (AC) to DC; driver metal-oxide-semiconductor field-effect transistors; power management integrated circuits (ICs); and current limit switch and lighting control products. The company serves storage and computing, enterprise data, automotive, communications, consumer, and industrial end markets through third-party distributors and value-added resellers. Monolithic Power Systems, Inc.
was incorporated in 1997 and is based in West Palm Beach, Florida.
- Industry
- Semiconductors
- Sector
- Technology
- State
- DE
- Filer Category
- Large accelerated filer
- Fiscal Year End
- December 31
- Website
- monolithicpower.com
Financials
Each fiscal year is read as-of that year’s own 10-K filing, so nothing restated after the fact leaks backwards. Line items this filer never tagged are omitted. Hover or tap a badge for the diagnostic behind it.
| Fiscal year end | 2018-12-31filed 2019-03-01 | 2017-12-31filed 2019-03-01 | 2016-12-31filed 2019-03-01 | 2015-12-31filed 2016-02-29 |
|---|---|---|---|---|
| Operating | ||||
| Depreciation & amortization | 12.3 | 16.1 | 14.7 | 13.8 |
| Stock-based compensation | 60.6 | 52.6 | 45.0 | 41.6 |
| Change in inventory | 37.1 | 27.8 | 8.3 | 22.2 |
| Change in payables | 0.9 | 3.1 | 5.5 | 0.1 |
| Operating cash flow | 141.5 | 133.8 | 107.8 | 69.7 |
| Investing | ||||
| Capital expenditures | 22.5 | — | — | 16.0 |
| Acquisitions, net of cash | — | — | — | — |
| Investing cash flow | (14.7) | (134.1) | (55.7) | (57.2) |
| Financing | ||||
| Share repurchases | — | — | — | 32.3 |
| Dividends paid | — | — | — | — |
| Financing cash flow | (34.6) | (31.3) | (28.1) | (46.7) |
| Summary | ||||
| Free cash flow | 118.9 | 118.9 | 118.9 | 53.7 |
Figures are as originally filed with the SEC (point-in-time), not restated, so they can differ slightly from sites that show later-restated numbers. Why point-in-time?