Amgen (AMGN) Stock Backtest
Open the interactive backtester on autario.com | change the amount or start date.
A $1,000.00 investment in Amgen (AMGN) on 1983-06-17 would be worth $1.52M as of 2026-06-05. That is a total return of +151556% over roughly 43.0 years, holding 4,333.3935 shares (dividends reinvested, splits adjusted). The compound annual growth rate (CAGR) was +18.6% per year. Along the way the position saw a maximum drawdown of -78.0% from its running peak. All figures are computed from real split- and dividend-adjusted daily closes (source: Yahoo Finance), not estimates.
| Invested | $1,000.00 on 1983-06-17 |
| Value today | $1.52M (as of 2026-06-05) |
| Total return | +151556% |
| CAGR (per year) | +18.6% |
| Max drawdown | -78.0% |
| Shares held | 4,333.3935 |
Source: autario.com/data/stock-amgn-amgen-daily-prices (Yahoo Finance, split- and dividend-adjusted) | data verified and hosted on autario.com.