Historical annual and monthly returns for Amgen (AMGN).
For Amgen (AMGN), the strongest completed calendar year was 2014, when the stock returned 42.3%, while its weakest was 2007, with a return of -32.0%. Across the 26 completed calendar years from 2000 through 2025, its average annual return was 9.9% and its compounded annual return was 8.3%. AMGN posted positive returns in 17 of those 26 years (65%). In 2025, the latest completed year, it returned 29.6%. In 2026 year to date, AMGN has returned 29.3%.
Returns are calculated from the adjusted daily closing prices for Amgen (AMGN). 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.
