Monolithic Power Systems (MPWR) Stock Backtest
Open the interactive backtester on autario.com | change the amount or start date.
A $1,000.00 investment in Monolithic Power Systems (MPWR) on 2004-11-19 would be worth $189.33K as of 2026-06-05. That is a total return of +18833% over roughly 21.5 years, holding 118.942 shares (dividends reinvested, splits adjusted). The compound annual growth rate (CAGR) was +27.6% per year. Along the way the position saw a maximum drawdown of -72.3% from its running peak. All figures are computed from real split- and dividend-adjusted daily closes (source: Yahoo Finance), not estimates.
| Invested | $1,000.00 on 2004-11-19 |
| Value today | $189.33K (as of 2026-06-05) |
| Total return | +18833% |
| CAGR (per year) | +27.6% |
| Max drawdown | -72.3% |
| Shares held | 118.942 |
Source: autario.com/data/stock-mpwr-monolithic-power-systems-daily-prices (Yahoo Finance, split- and dividend-adjusted) | data verified and hosted on autario.com.