Historical annual and monthly returns for Bio-Techne (TECH).
For Bio-Techne (TECH), the strongest completed calendar year was 2021, when the stock returned 63.4%, while its weakest was 2022, with a return of -35.7%. Across the 26 completed calendar years from 2000 through 2025, its average annual return was 11.9% and its compounded annual return was 9.3%. TECH posted positive returns in 16 of those 26 years (62%). In 2025, the latest completed year, it returned -17.9%. In 2026 year to date, TECH has returned 23.8%.
Returns are calculated from the adjusted daily closing prices for Bio-Techne (TECH). 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.
