267.50
price down icon4.12%   -11.50
after-market After Hours: 272.50 5.00 +1.87%
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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 28, 2025, is $267.50.
  • 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 643.88% to $267.50 now.
  • The 52-week high stock price for AJG is $351.23, representing a 31.30% increase from the current share price, occurred on June 03, 2025.
  • The 52-week low stock price for AJG is $266.71, indicating a -0.30% decrease from the current share price, occurred on October 28, 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 28, 2025 $279.0 $266.7 $12.29 2,837,841.0 -4.12%
Oct 27, 2025 $281.7 $278.1 $3.56 929,525.0 -0.62%
Oct 24, 2025 $284.2 $280.3 $3.88 1,437,239.0 -0.62%
Oct 23, 2025 $284.3 $280.4 $3.91 1,086,905.0 -0.19%
Oct 22, 2025 $284.1 $277.9 $6.14 1,348,533.0 +1.44%
Oct 21, 2025 $280.6 $277.2 $3.38 1,423,971.0 -0.09%
Oct 20, 2025 $280.8 $275.7 $5.09 1,117,752.0 -0.43%
Oct 17, 2025 $284.3 $277.9 $6.35 1,415,233.0 +0.11%
Oct 16, 2025 $288.3 $276.5 $11.83 2,379,645.0 -5.40%
Oct 15, 2025 $304.6 $295.4 $9.21 2,279,008.0 -2.49%
Oct 14, 2025 $304.0 $296.9 $7.11 1,234,443.0 +1.92%
Oct 13, 2025 $301.7 $295.8 $5.93 1,176,141.0 -1.24%
Oct 10, 2025 $305.7 $300.7 $5.08 1,184,382.0 -0.17%
Oct 09, 2025 $307.1 $301.3 $5.82 761,609.0 -1.53%
Oct 08, 2025 $310.4 $306.8 $3.51 636,829.0 -0.93%
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%

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 $266.7 $46.84 29,639,944.0 -13.64%
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%
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Cap:     |  Volume (24h):