309.81
price up icon0.21%   0.66
after-market After Hours: 309.81
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Arthur J Gallagher Co Stock (AJG) Price History

The historical daily chart and data for Arthur J Gallagher Co stock (AJG), adjusted for splits and dividends, show that the latest closing stock price as of October 07, 2025, is $309.81.
  • Arthur J Gallagher Co all-time high stock price is $351.23, occurred on June 03, 2025.
  • The lowest Arthur J Gallagher Co stock price recorded was $35.96 on January 20, 2016. Since then, Arthur J Gallagher Co's stock price has risen over 761.54% to $309.81 now.
  • The 52-week high stock price for AJG is $351.23, representing a 13.37% increase from the current share price, occurred on June 03, 2025.
  • The 52-week low stock price for AJG is $275.56, indicating a -11.06% decrease from the current share price, occurred on January 02, 2025.
  • The closing price of Arthur J Gallagher Co (AJG) stock in the beginning of 2024 was $166.76. The stock closed the year at $188.54, a gain of over 13.06% for the year.
The table below shows more information about AJG historical price data:
Date High Low High - Low Volume % Change
Oct 07, 2025 $313.1 $308.2 $4.91 863,763.0 +0.21%
Oct 06, 2025 $311.7 $307.7 $3.99 1,053,585.0 -0.43%
Oct 03, 2025 $313.6 $307.6 $5.97 767,234.0 +0.59%
Oct 02, 2025 $308.7 $302.0 $6.72 1,004,329.0 +0.93%
Oct 01, 2025 $309.5 $303.4 $6.15 1,864,136.0 -1.26%
Sep 30, 2025 $310.5 $304.5 $6.03 1,670,922.0 +1.32%
Sep 29, 2025 $305.9 $301.1 $4.76 1,349,561.0 +0.51%
Sep 26, 2025 $308.8 $303.2 $5.62 879,911.0 +0.35%
Sep 25, 2025 $306.9 $300.8 $6.07 1,366,722.0 -0.48%
Sep 24, 2025 $305.7 $300.8 $4.85 1,121,581.0 +0.06%
Sep 23, 2025 $304.5 $299.0 $5.52 1,601,864.0 +1.43%
Sep 22, 2025 $300.5 $296.5 $4.03 1,446,909.0 +0.14%
Sep 19, 2025 $301.2 $296.4 $4.76 2,605,258.0 +0.98%
Sep 18, 2025 $297.0 $291.3 $5.71 1,405,710.0 +1.39%
Sep 17, 2025 $295.2 $292.0 $3.22 1,247,677.0 +0.41%
Sep 16, 2025 $292.8 $285.8 $6.95 1,175,639.0 +0.71%
Sep 15, 2025 $298.2 $288.2 $9.96 1,169,376.0 -2.65%
Sep 12, 2025 $300.8 $297.2 $3.59 1,302,060.0 -1.11%
Sep 11, 2025 $301.0 $292.6 $8.44 1,335,050.0 +2.53%
Sep 10, 2025 $298.3 $292.8 $5.49 1,854,716.0 -1.78%
Sep 09, 2025 $300.4 $297.2 $3.21 1,113,211.0 -0.21%

Arthur J Gallagher Co Stock (AJG) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Arthur J Gallagher Co stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of AJG shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Arthur J Gallagher Co stock price history provides a foundation for understanding how the company's stock has evolved over time.

Arthur J Gallagher Co Stock (AJG) Price History 2025

Month High Low High - Low Volume % Change
Oct, 2025 $313.6 $302.0 $11.55 6,416,810.0 +0.02%
Sep, 2025 $310.5 $285.8 $24.69 29,814,659.0 +2.31%
Aug, 2025 $307.4 $277.5 $29.85 32,133,675.0 +5.40%
Jul, 2025 $323.2 $281.8 $41.42 29,682,569.0 -10.27%
Jun, 2025 $351.2 $309.0 $42.25 31,030,815.0 -7.86%
May, 2025 $348.3 $313.4 $34.89 24,360,734.0 +8.34%
Apr, 2025 $350.7 $301.2 $49.49 34,406,801.0 -7.11%
Mar, 2025 $346.9 $318.2 $28.71 32,477,323.0 +2.22%
Feb, 2025 $338.4 $299.4 $39.06 25,810,474.0 +11.90%
Jan, 2025 $307.7 $275.6 $32.18 35,267,080.0 +6.33%

Arthur J Gallagher Co Stock (AJG) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $313.0 $276.9 $36.11 57,013,685.0 -8.90%
Nov, 2024 $316.7 $279.6 $37.12 18,141,901.0 +11.04%
Oct, 2024 $297.8 $277.4 $20.32 20,899,161.0 -0.06%
Sep, 2024 $301.0 $274.2 $26.79 16,451,392.0 -3.83%
Aug, 2024 $294.0 $278.0 $16.03 14,483,365.0 +3.20%
Jul, 2024 $287.6 $257.6 $30.02 15,878,732.0 +9.32%
Jun, 2024 $266.4 $250.5 $15.88 18,584,256.0 +2.36%
May, 2024 $259.3 $234.3 $25.02 14,605,346.0 +7.94%
Apr, 2024 $249.8 $230.1 $19.72 17,002,372.0 -6.14%
Mar, 2024 $256.1 $241.2 $14.88 16,933,706.0 +2.50%
Feb, 2024 $246.3 $227.4 $18.86 17,214,774.0 +5.07%
Jan, 2024 $241.3 $223.4 $17.84 20,069,877.0 +3.24%

Arthur J Gallagher Co Stock (AJG) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $249.5 $218.6 $30.85 21,775,996.0 -9.69%
Nov, 2023 $254.0 $234.0 $20.02 17,808,308.0 +5.74%
Oct, 2023 $237.9 $223.3 $14.60 16,647,125.0 +3.32%
Sep, 2023 $237.6 $224.5 $13.16 15,923,373.0 -1.11%
Aug, 2023 $232.4 $214.6 $17.78 14,630,026.0 +7.30%
Jul, 2023 $221.9 $212.4 $9.53 14,435,946.0 -2.17%
Jun, 2023 $220.6 $198.5 $22.11 19,194,781.0 +9.60%
May, 2023 $219.2 $199.0 $20.23 19,529,000.0 -3.72%
Apr, 2023 $209.1 $190.0 $19.13 17,539,431.0 +8.76%
Mar, 2023 $192.2 $174.4 $17.75 26,581,259.0 +2.11%
Feb, 2023 $198.2 $182.9 $15.37 15,150,918.0 -4.28%
Jan, 2023 $202.4 $185.4 $16.96 14,119,168.0 +3.81%
insurance_brokers AON
$366.93
price up icon 0.34%
insurance_brokers MMC
$203.84
price up icon 1.24%
insurance_brokers WTW
$349.93
price up icon 0.15%
insurance_brokers BRO
$95.55
price up icon 1.18%
insurance_brokers XHG
$1.28
price down icon 3.76%
Cap:     |  Volume (24h):