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Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
320.16
+3.03 (0.96%)
At close: Jun 20, 2025, 4:00 PM
321.84
+1.68 (0.52%)
After-hours: Jun 20, 2025, 7:58 PM EDT

Arthur J. Gallagher & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 20, 2025318.62322.92318.18320.16320.160.96%2,537,151
Jun 18, 2025316.30319.41314.71317.13317.130.32%1,048,906
Jun 17, 2025314.37318.16313.23316.13316.13-0.06%958,454
Jun 16, 2025317.58319.30315.60316.33316.33-0.10%1,294,206
Jun 13, 2025318.89320.74316.17316.64316.64-1.10%1,039,024
Jun 12, 2025313.26320.71312.38320.15320.152.30%1,416,706
Jun 11, 2025312.32315.40308.98312.94312.94-0.46%1,428,720
Jun 10, 2025319.15321.24312.30314.40314.40-1.08%1,473,184
Jun 9, 2025326.53327.83312.18317.83317.83-3.32%1,616,449
Jun 6, 2025328.46330.78327.27328.76328.760.20%735,210
Jun 5, 2025336.34337.33325.06328.10327.45-2.45%1,851,455
Jun 4, 2025345.39346.01336.29336.34335.68-2.58%1,300,214
Jun 3, 2025349.65351.23341.76345.25344.57-1.01%1,035,784
Jun 2, 2025343.42348.90342.15348.77348.080.38%986,107
May 30, 2025341.72348.30341.00347.44346.751.62%2,545,229
May 29, 2025338.75342.05337.59341.90341.230.62%628,805
May 28, 2025341.54344.04339.17339.80339.13-0.86%1,136,798
May 27, 2025339.77343.03337.20342.75342.071.39%976,453
May 23, 2025336.27339.41333.47338.04337.370.76%859,459
May 22, 2025337.37339.08333.65335.48334.82-0.61%771,693
May 21, 2025340.04341.89336.25337.53336.86-0.82%867,064
May 20, 2025342.97344.25339.65340.33339.66-1.02%908,815
May 19, 2025343.18344.64341.67343.82343.140.46%611,029
May 16, 2025339.01342.85337.88342.24341.571.17%973,191
May 15, 2025330.76338.45330.20338.28337.612.62%1,013,229
May 14, 2025334.58334.58326.06329.64328.99-0.92%898,481
May 13, 2025333.90335.39330.89332.70332.040.43%1,004,025
May 12, 2025337.43339.18325.53331.28330.63-2.04%1,672,355
May 9, 2025338.12339.12336.08338.18337.51-0.09%576,359
May 8, 2025340.80343.62338.44338.47337.80-0.32%1,037,183
May 7, 2025338.20341.32336.90339.55338.880.38%1,279,566
May 6, 2025333.85339.23332.63338.27337.601.02%1,402,650
May 5, 2025330.90336.93326.39334.86334.201.14%1,402,856
May 2, 2025330.41332.44316.87331.08330.434.23%1,818,553
May 1, 2025317.59319.63313.41317.64317.01-0.95%1,995,881
Apr 30, 2025317.14321.16312.17320.69320.061.12%3,032,447
Apr 29, 2025321.39321.39315.07317.14316.51-2.06%2,753,728
Apr 28, 2025323.83326.07322.19323.81323.170.47%1,536,737
Apr 25, 2025327.34327.34313.58322.30321.66-2.78%2,164,277
Apr 24, 2025329.27332.71326.33331.52330.87-0.08%961,313
Apr 23, 2025331.14336.69329.75331.79331.140.31%953,658
Apr 22, 2025324.96332.00322.62330.75330.103.55%1,041,508
Apr 21, 2025328.42329.04315.71319.40318.77-2.98%837,110
Apr 17, 2025332.36333.26326.58329.22328.57-1.03%1,195,137
Apr 16, 2025337.77339.00330.14332.66332.00-0.86%879,259
Apr 15, 2025344.01344.66334.74335.56334.90-2.15%1,313,787
Apr 14, 2025337.37345.62336.26342.92342.242.66%1,236,906
Apr 11, 2025326.10335.28321.43334.02333.362.55%1,179,778
Apr 10, 2025321.39330.96318.79325.72325.080.59%1,570,177
Apr 9, 2025309.21324.88304.85323.82323.183.95%2,285,103