ICON - 27 Year Stock Price History | ICLR

The latest closing stock price for ICON as of April 21, 2025 is 137.23.

  • An investor who bought $1,000 worth of ICON stock at the IPO in 1998 would have $20,579 today, roughly 21 times their original investment - a 12.05% compound annual growth rate over 27 years.
  • The all-time high ICON stock closing price was 346.20 on July 16, 2024.
  • The ICON 52-week high stock price is 347.72, which is 153.4% above the current share price.
  • The ICON 52-week low stock price is 133.63, which is 2.6% below the current share price.
  • The average ICON stock price for the last 52 weeks is 255.46.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

ICON - 27 Year Stock Price History | ICLR

  • An investor who bought $1,000 worth of ICON stock at the IPO in 1998 would have $20,579 today, roughly 21 times their original investment - a 12.05% compound annual growth rate over 27 years.
  • The all-time high ICON stock closing price was 346.20 on July 16, 2024.
  • The ICON 52-week high stock price is 347.72, which is 153.4% above the current share price.
  • The ICON 52-week low stock price is 133.63, which is 2.6% below the current share price.
  • The average ICON stock price for the last 52 weeks is 255.46.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.