Monolithic Power Systems (MPWR) returns
Monolithic Power Systems returns over 10 years
$1,000 invested in Monolithic Power Systems ten years ago was worth $16,836 at the close on October 30, 2026, with dividends reinvested: an average return of 32.6% a year. The same $1,000 in the S&P 500 (SPY) became $4,166.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | -10.1% | — | $899.36 | -0.9% |
| 3 months | -7.8% | — | $921.93 | +2.1% |
| Year to date | +34.3% | — | $1,343 | +11.7% |
| 1 year | +12.1% | — | $1,121 | +12.4% |
| 3 years | +206.4% | +45.2% | $3,064 | +88.5% |
| 5 years | +139.1% | +19.0% | $2,391 | +76.0% |
| 10 years | +1,584% | +32.6% | $16,836 | +316.6% |
Monolithic Power Systems return by calendar year
| Year | MPWR | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | +34.3% | +11.7% | +22.6% |
| 2025 | +54.4% | +17.7% | +36.7% |
| 2024 | -5.6% | +24.9% | -30.4% |
| 2023 | +79.8% | +26.2% | +53.6% |
| 2022 | -27.8% | -18.2% | -9.6% |
| 2021 | +35.5% | +28.7% | +6.7% |
| 2020 | +107.5% | +18.4% | +89.1% |
| 2019 | +54.8% | +31.2% | +23.6% |
| 2018 | +4.5% | -4.6% | +9.0% |
| 2017 | +38.2% | +21.7% | +16.5% |
| 2016 | +30.0% | +12.0% | +18.0% |
Past returns do not predict future returns. Returns are computed from our daily closes, adjusted for splits and with dividends reinvested on their ex-dates; taxes and trading costs are left out.
See also: MPWR financials · MPWR valuation
No forecast, no recommendation. This page describes Monolithic Power Systems from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.