Historical annual and monthly returns for Monolithic Power Systems (MPWR).
For Monolithic Power Systems (MPWR), the strongest completed calendar year was 2020, when the stock returned 107.5%, while its weakest was 2008, with a return of -41.3%. Across the 21 completed calendar years from 2005 through 2025, its average annual return was 33.1% and its compounded annual return was 25.3%. MPWR posted positive returns in 15 of those 21 years (71%). In 2025, the latest completed year, it returned 54.4%. In 2026 year to date, MPWR has returned 49.6%.
Returns are calculated from the adjusted daily closing prices for Monolithic Power Systems (MPWR). Annual returns measure the percentage change between the final available trading prices of consecutive calendar years. Monthly returns use the corresponding month-end observations. Adjusted prices account for stock splits and distributions when supplied by the market-data provider. Results are nominal and are not adjusted for inflation.
