Historical annual and monthly returns for Thermo Fisher Scientific (TMO).
For Thermo Fisher Scientific (TMO), the strongest completed calendar year was 2000, when the stock returned 98.3%, while its weakest was 2008, with a return of -40.9%. Across the 26 completed calendar years from 2000 through 2025, its average annual return was 19.8% and its compounded annual return was 16.0%. TMO posted positive returns in 17 of those 26 years (65%). In 2025, the latest completed year, it returned 11.8%. In 2026 year to date, TMO has returned 16.6%.
Returns are calculated from the adjusted daily closing prices for Thermo Fisher Scientific (TMO). 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.
