Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
262.02
-5.48 (-2.05%)
At close: Oct 29, 2025, 4:00 PM EDT
261.00
-1.02 (-0.39%)
After-hours: Oct 29, 2025, 6:35 PM EDT

Arthur J. Gallagher & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 29, 2025265.62268.85261.04262.02262.02-2.05%3,090,757
Oct 28, 2025277.24279.00266.71267.50267.50-4.12%2,838,830
Oct 27, 2025280.56281.66278.10279.00279.00-0.62%930,396
Oct 24, 2025282.50284.17280.29280.73280.73-0.62%1,437,242
Oct 23, 2025283.03284.33280.41282.49282.49-0.19%1,086,919
Oct 22, 2025279.52284.06277.92283.04283.041.44%1,405,959
Oct 21, 2025278.80280.60277.22279.01279.01-0.09%1,424,058
Oct 20, 2025280.22280.82275.73279.26279.26-0.43%1,171,205
Oct 17, 2025280.62284.30277.95280.47280.470.11%1,415,287
Oct 16, 2025287.27288.33276.50280.17280.17-5.40%2,379,717
Oct 15, 2025301.73304.57295.36296.16296.16-2.49%2,451,563
Oct 14, 2025298.45303.98296.87303.73303.731.92%1,234,641
Oct 13, 2025299.05301.71295.78298.00298.00-1.24%1,176,167
Oct 10, 2025304.30305.74300.66301.74301.74-0.17%1,184,572
Oct 9, 2025307.11307.11301.29302.25302.25-1.53%761,610
Oct 8, 2025310.35310.35306.84306.94306.94-0.93%636,938
Oct 7, 2025310.39313.09308.18309.81309.810.21%863,762
Oct 6, 2025310.50311.67307.68309.15309.15-0.43%1,053,640
Oct 3, 2025307.78313.55307.59310.48310.480.59%767,240
Oct 2, 2025303.07308.72302.00308.67308.670.93%1,004,339
Oct 1, 2025307.87309.50303.35305.84305.84-1.26%1,864,306
Sep 30, 2025305.00310.49304.47309.74309.741.32%1,671,255
Sep 29, 2025303.15305.86301.10305.71305.710.51%1,355,603
Sep 26, 2025304.92308.80303.18304.15304.150.35%877,053
Sep 25, 2025305.06306.89300.82303.08303.08-0.48%1,366,884
Sep 24, 2025302.48305.69300.84304.55304.550.06%1,125,494
Sep 23, 2025299.85304.53299.01304.36304.361.43%1,602,058
Sep 22, 2025299.11300.52296.49300.06300.060.14%1,446,940
Sep 19, 2025300.40301.20296.44299.65299.650.98%2,605,274
Sep 18, 2025293.00297.02291.31296.74296.741.39%1,405,728
Sep 17, 2025293.05295.21291.99292.66292.660.41%1,248,129
Sep 16, 2025287.81292.75285.80291.46291.460.71%1,175,792
Sep 15, 2025297.16298.16288.20289.40289.40-2.65%1,169,957
Sep 12, 2025299.01300.81297.22297.28297.28-1.11%1,302,078
Sep 11, 2025293.60301.02292.58300.61300.612.53%1,335,113
Sep 10, 2025297.34298.32292.83293.18293.18-1.78%1,854,736
Sep 9, 2025298.24300.44297.23298.50298.50-0.21%1,119,301
Sep 8, 2025298.31300.00295.14299.12299.12-0.02%1,153,122
Sep 5, 2025299.24300.87296.43299.18299.18-0.35%1,217,177
Sep 4, 2025304.96305.48300.08300.22299.57-1.15%1,282,371
Sep 3, 2025304.00305.95301.67303.70303.040.37%1,831,463
Sep 2, 2025303.17303.25299.14302.57301.91-0.06%1,673,483
Aug 29, 2025299.68303.17298.64302.75302.091.04%1,472,424
Aug 28, 2025297.88299.93296.62299.62298.970.30%769,117
Aug 27, 2025299.88302.40298.67298.72298.07-0.49%1,513,535
Aug 26, 2025298.06300.27295.74300.20299.550.53%2,312,415
Aug 25, 2025302.00303.09298.62298.62297.97-1.50%1,020,592
Aug 22, 2025306.68307.38302.46303.17302.51-0.72%1,165,433
Aug 21, 2025302.78306.39301.26305.38304.720.91%1,154,636
Aug 20, 2025302.09305.13300.64302.64301.980.55%1,568,451