Amgen - 42 Year Stock Price History | AMGN

The latest closing stock price for Amgen as of May 23, 2025 is 271.66.

  • An investor who bought $1,000 worth of Amgen stock at the IPO in 1983 would have $1,141,869 today, roughly 1,142 times their original investment - a 18.25% compound annual growth rate over 42 years.
  • The all-time high Amgen stock closing price was 329.11 on September 20, 2024.
  • The Amgen 52-week high stock price is 346.85, which is 27.7% above the current share price.
  • The Amgen 52-week low stock price is 253.30, which is 6.8% below the current share price.
  • The average Amgen stock price for the last 52 weeks is 302.73.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Amgen - 42 Year Stock Price History | AMGN

  • An investor who bought $1,000 worth of Amgen stock at the IPO in 1983 would have $1,141,869 today, roughly 1,142 times their original investment - a 18.25% compound annual growth rate over 42 years.
  • The all-time high Amgen stock closing price was 329.11 on September 20, 2024.
  • The Amgen 52-week high stock price is 346.85, which is 27.7% above the current share price.
  • The Amgen 52-week low stock price is 253.30, which is 6.8% below the current share price.
  • The average Amgen stock price for the last 52 weeks is 302.73.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.