Historical annual and monthly returns for Quanta Services (PWR).
For Quanta Services (PWR), the strongest completed calendar year was 2003, when the stock returned 108.6%, while its weakest was 2002, with a return of -77.3%. Across the 26 completed calendar years from 2000 through 2025, its average annual return was 22.5% and its compounded annual return was 12.8%. PWR posted positive returns in 19 of those 26 years (73%). In 2025, the latest completed year, it returned 33.7%. In 2026 year to date, PWR has returned 53.8%.
Returns are calculated from the adjusted daily closing prices for Quanta Services (PWR). 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.
