204.79
price down icon0.25%   -0.52
after-market After Hours: 204.80 0.01 +0.00%
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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 February 12, 2026, is $204.79.
  • 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 469.49% to $204.79 now.
  • The 52-week high stock price for AJG is $351.23, representing a 71.50% increase from the current share price, occurred on June 03, 2025.
  • The 52-week low stock price for AJG is $195.00, indicating a -4.78% decrease from the current share price, occurred on February 12, 2026.
  • The closing price of Arthur J Gallagher Co (AJG) stock in the beginning of 2025 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
Feb 12, 2026 $207.9 $195.0 $12.87 6,242,426.0 -0.25%
Feb 11, 2026 $213.0 $204.0 $8.96 4,418,243.0 -3.42%
Feb 10, 2026 $224.6 $210.0 $14.61 4,998,731.0 -2.39%
Feb 09, 2026 $242.0 $217.4 $24.63 3,455,455.0 -9.85%
Feb 06, 2026 $245.2 $239.3 $5.88 1,387,310.0 -0.48%
Feb 05, 2026 $253.2 $242.5 $10.76 1,646,649.0 -2.72%
Feb 04, 2026 $254.5 $245.7 $8.75 3,285,711.0 +0.73%
Feb 03, 2026 $250.2 $241.9 $8.33 2,188,496.0 +1.00%
Feb 02, 2026 $255.2 $244.3 $10.84 1,890,262.0 -1.64%
Jan 30, 2026 $256.6 $247.8 $8.82 2,533,382.0 +1.44%
Jan 29, 2026 $248.5 $241.7 $6.75 2,238,541.0 +1.43%
Jan 28, 2026 $246.2 $240.8 $5.39 1,727,592.0 +0.02%
Jan 27, 2026 $250.4 $236.5 $13.85 3,485,417.0 -5.12%
Jan 26, 2026 $255.9 $252.1 $3.88 1,591,780.0 +0.87%
Jan 23, 2026 $253.7 $248.6 $5.14 1,504,588.0 +1.13%
Jan 22, 2026 $252.1 $247.1 $5.01 2,703,500.0 +0.12%
Jan 21, 2026 $257.7 $245.0 $12.69 2,710,287.0 -1.88%
Jan 20, 2026 $257.6 $254.2 $3.40 2,115,045.0 -1.41%
Jan 16, 2026 $258.6 $253.4 $5.20 2,107,002.0 +0.93%
Jan 15, 2026 $258.3 $255.1 $3.20 2,431,167.0 -0.32%
Jan 14, 2026 $260.3 $255.8 $4.46 2,607,952.0 -0.01%

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 2026

Month High Low High - Low Volume % Change
Feb, 2026 $255.2 $195.0 $60.18 35,755,709.0 -17.88%
Jan, 2026 $266.9 $236.5 $30.34 40,998,346.0 -3.64%

Arthur J Gallagher Co Stock (AJG) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $263.8 $236.3 $27.45 33,912,954.0 +5.74%
Nov, 2025 $262.6 $239.5 $23.12 32,121,551.0 -0.75%
Oct, 2025 $313.6 $242.8 $70.80 37,663,222.0 -19.45%
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%
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