Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
214.06
-2.03 (-0.94%)
At close: Jun 18, 2026, 4:00 PM EDT
214.75
+0.69 (0.32%)
After-hours: Jun 18, 2026, 7:31 PM EDT

Arthur J. Gallagher & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 18, 2026216.17216.18211.29214.06214.06-0.94%2,738,031
Jun 17, 2026216.50224.99215.62216.09216.090.09%1,595,229
Jun 16, 2026217.08217.87214.20215.90215.900.07%1,361,862
Jun 15, 2026217.38218.75214.49215.74215.74-1.35%1,535,777
Jun 12, 2026220.79222.40217.22218.69218.69-1.00%1,773,030
Jun 11, 2026221.83223.66220.58220.90220.900.35%2,447,634
Jun 10, 2026219.19225.34215.89220.14220.141.42%1,954,896
Jun 9, 2026214.55219.52212.56217.05217.052.13%1,921,226
Jun 8, 2026213.48215.59211.50212.52212.52-1.67%1,894,148
Jun 5, 2026212.28216.73212.09216.14216.142.78%1,448,330
Jun 4, 2026207.45212.52206.42211.00210.304.20%1,637,100
Jun 3, 2026203.83204.73199.69202.50201.83-1.59%1,999,519
Jun 2, 2026204.29207.14200.70205.77205.09-0.16%1,504,788
Jun 1, 2026200.57206.25200.00206.10205.422.48%1,415,972
May 29, 2026201.88203.73200.30201.11200.44-0.76%1,788,074
May 28, 2026202.90206.20200.04202.65201.98-0.10%1,139,860
May 27, 2026205.06208.99202.00202.85202.18-0.54%1,596,883
May 26, 2026202.96206.01202.10203.96203.28-0.39%2,265,817
May 22, 2026206.50207.41203.12204.75204.07-1.28%1,240,303
May 21, 2026201.95207.95200.00207.41206.721.87%1,351,669
May 20, 2026203.35204.98199.67203.61202.930.08%1,470,534
May 19, 2026209.24210.24203.41203.45202.78-1.79%1,961,844
May 18, 2026199.88208.15198.88207.15206.463.60%1,613,989
May 15, 2026199.72200.67196.32199.95199.291.15%2,388,400
May 14, 2026195.18198.74193.49197.68197.022.96%3,020,143
May 13, 2026194.78197.22190.75192.00191.36-2.74%2,543,365
May 12, 2026199.40202.91195.81197.40196.75-0.59%2,051,185
May 11, 2026197.95200.34195.14198.57197.91-0.15%1,809,562
May 8, 2026200.89201.19196.65198.87198.21-1.52%1,596,737
May 7, 2026194.27203.13194.15201.94201.272.55%3,218,124
May 6, 2026207.40209.08196.80196.91196.26-4.32%2,243,975
May 5, 2026206.29207.69204.72205.80205.12-0.59%1,290,862
May 4, 2026207.89211.08205.64207.03206.34-0.52%1,213,454
May 1, 2026217.00218.88206.57208.11207.420.83%2,392,419
Apr 30, 2026210.31210.31202.22206.40205.72-2.55%3,093,708
Apr 29, 2026212.88214.40210.34211.81211.11-0.75%1,288,249
Apr 28, 2026215.85217.00209.78213.42212.71-0.76%1,367,618
Apr 27, 2026213.13216.89211.56215.06214.35-0.15%1,343,491
Apr 24, 2026216.94218.79213.98215.38214.67-1.82%1,228,578
Apr 23, 2026220.79221.28217.58219.37218.64-0.79%995,331
Apr 22, 2026223.34223.34218.51221.11220.38-1.49%1,309,366
Apr 21, 2026223.60226.00222.29224.46223.720.62%1,550,455
Apr 20, 2026221.60223.57220.77223.07222.330.66%1,307,916
Apr 17, 2026224.00225.24220.72221.61220.87-1.10%1,851,049
Apr 16, 2026224.14225.69222.81224.08223.340.41%1,574,506
Apr 15, 2026220.53224.46219.05223.17222.431.48%1,221,308
Apr 14, 2026221.23223.39219.60219.91219.18-1.16%1,178,283
Apr 13, 2026214.28223.53213.65222.50221.764.19%2,301,785
Apr 10, 2026217.00218.65206.21213.55212.84-2.22%5,172,741
Apr 9, 2026219.06221.95217.04218.39217.67-1.09%1,637,946