Arthur J Gallagher - 41 Year Stock Price History | AJG

The latest closing stock price for Arthur J Gallagher as of June 27, 2025 is 317.73.

  • An investor who bought $1,000 worth of Arthur J Gallagher stock at the IPO in 1984 would have $656,418 today, roughly 656 times their original investment - a 17.15% compound annual growth rate over 41 years.
  • The all-time high Arthur J Gallagher stock closing price was 348.08 on June 02, 2025.
  • The Arthur J Gallagher 52-week high stock price is 351.23, which is 10.5% above the current share price.
  • The Arthur J Gallagher 52-week low stock price is 257.58, which is 18.9% below the current share price.
  • The average Arthur J Gallagher stock price for the last 52 weeks is 304.19.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Arthur J Gallagher - 41 Year Stock Price History | AJG

  • An investor who bought $1,000 worth of Arthur J Gallagher stock at the IPO in 1984 would have $656,418 today, roughly 656 times their original investment - a 17.15% compound annual growth rate over 41 years.
  • The all-time high Arthur J Gallagher stock closing price was 348.08 on June 02, 2025.
  • The Arthur J Gallagher 52-week high stock price is 351.23, which is 10.5% above the current share price.
  • The Arthur J Gallagher 52-week low stock price is 257.58, which is 18.9% below the current share price.
  • The average Arthur J Gallagher stock price for the last 52 weeks is 304.19.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.