Iron Mountain - 29 Year Stock Price History | IRM

The latest closing stock price for Iron Mountain as of July 30, 2025 is 97.95.

  • An investor who bought $1,000 worth of Iron Mountain stock at the IPO in 1996 would have $82,861 today, roughly 83 times their original investment - a 16.50% compound annual growth rate over 29 years.
  • The all-time high Iron Mountain stock closing price was 125.19 on October 28, 2024.
  • The Iron Mountain 52-week high stock price is 130.24, which is 33% above the current share price.
  • The Iron Mountain 52-week low stock price is 72.33, which is 26.2% below the current share price.
  • The average Iron Mountain stock price for the last 52 weeks is 104.18.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Iron Mountain - 29 Year Stock Price History | IRM

  • An investor who bought $1,000 worth of Iron Mountain stock at the IPO in 1996 would have $82,861 today, roughly 83 times their original investment - a 16.50% compound annual growth rate over 29 years.
  • The all-time high Iron Mountain stock closing price was 125.19 on October 28, 2024.
  • The Iron Mountain 52-week high stock price is 130.24, which is 33% above the current share price.
  • The Iron Mountain 52-week low stock price is 72.33, which is 26.2% below the current share price.
  • The average Iron Mountain stock price for the last 52 weeks is 104.18.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.