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Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
239.71
-4.40 (-1.80%)
At close: Dec 5, 2025, 4:00 PM EST
240.25
+0.54 (0.23%)
After-hours: Dec 5, 2025, 7:57 PM EST

Arthur J. Gallagher & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 5, 2025244.69245.00238.65239.71239.71-2.32%1,743,640
Dec 4, 2025245.77246.89243.87245.41244.760.02%1,277,089
Dec 3, 2025244.43246.23242.61245.36244.710.47%1,519,219
Dec 2, 2025245.88246.74243.37244.22243.57-0.76%1,691,953
Dec 1, 2025248.40249.47246.07246.10245.45-0.61%1,418,462
Nov 28, 2025247.74249.99246.60247.62246.96-0.36%756,637
Nov 26, 2025250.57252.00247.80248.52247.86-0.69%1,011,035
Nov 25, 2025249.80251.59247.70250.24249.580.82%966,352
Nov 24, 2025251.26252.44244.72248.21247.55-1.27%2,094,699
Nov 21, 2025249.00251.65246.85251.41250.741.66%1,710,248
Nov 20, 2025245.74250.43245.69247.30246.64-0.57%1,571,211
Nov 19, 2025258.50259.61247.64248.72248.06-3.84%2,191,179
Nov 18, 2025259.54261.56256.00258.64257.95-0.26%1,814,939
Nov 17, 2025259.41261.63257.90259.31258.620.31%2,174,932
Nov 14, 2025258.22262.59254.57258.51257.830.70%1,828,638
Nov 13, 2025255.29259.45254.46256.71256.030.33%2,174,282
Nov 12, 2025254.40256.53253.17255.86255.180.34%1,256,755
Nov 11, 2025251.30255.15250.49255.00254.321.57%1,338,494
Nov 10, 2025248.88251.74247.03251.06250.400.42%1,463,144
Nov 7, 2025245.67250.89244.66250.01249.351.95%1,746,620
Nov 6, 2025246.90249.95244.28245.24244.59-1.13%1,456,687
Nov 5, 2025250.89253.00248.04248.05247.39-1.45%1,673,103
Nov 4, 2025244.50252.11242.70251.70251.033.59%2,473,799
Nov 3, 2025249.49249.49239.47242.98242.34-2.61%2,586,721
Oct 31, 2025242.75254.43242.75249.49248.83-4.79%5,066,743
Oct 30, 2025264.50265.83261.29262.03261.34-2,712,652
Oct 29, 2025265.62268.85261.04262.02261.33-2.05%3,165,319
Oct 28, 2025277.24279.00266.71267.50266.79-4.12%2,838,830
Oct 27, 2025280.56281.66278.10279.00278.26-0.62%930,396
Oct 24, 2025282.50284.17280.29280.73279.99-0.62%1,437,242
Oct 23, 2025283.03284.33280.41282.49281.74-0.19%1,086,919
Oct 22, 2025279.52284.06277.92283.04282.291.44%1,405,959
Oct 21, 2025278.80280.60277.22279.01278.27-0.09%1,424,058
Oct 20, 2025280.22280.82275.73279.26278.52-0.43%1,171,205
Oct 17, 2025280.62284.30277.95280.47279.730.11%1,415,287
Oct 16, 2025287.27288.33276.50280.17279.43-5.40%2,379,717
Oct 15, 2025301.73304.57295.36296.16295.38-2.49%2,451,563
Oct 14, 2025298.45303.98296.87303.73302.931.92%1,234,641
Oct 13, 2025299.05301.71295.78298.00297.21-1.24%1,176,167
Oct 10, 2025304.30305.74300.66301.74300.94-0.17%1,184,572
Oct 9, 2025307.11307.11301.29302.25301.45-1.53%761,610
Oct 8, 2025310.35310.35306.84306.94306.13-0.93%636,938
Oct 7, 2025310.39313.09308.18309.81308.990.21%863,762
Oct 6, 2025310.50311.67307.68309.15308.33-0.43%1,053,640
Oct 3, 2025307.78313.55307.59310.48309.660.59%767,240
Oct 2, 2025303.07308.72302.00308.67307.850.93%1,004,339
Oct 1, 2025307.87309.50303.35305.84305.03-1.26%1,864,306
Sep 30, 2025305.00310.49304.47309.74308.921.32%1,671,255
Sep 29, 2025303.15305.86301.10305.71304.900.51%1,355,603
Sep 26, 2025304.92308.80303.18304.15303.340.35%877,053
Sep 25, 2025305.06306.89300.82303.08302.28-0.48%1,366,884
Sep 24, 2025302.48305.69300.84304.55303.740.06%1,125,494
Sep 23, 2025299.85304.53299.01304.36303.551.43%1,602,058
Sep 22, 2025299.11300.52296.49300.06299.270.14%1,446,940
Sep 19, 2025300.40301.20296.44299.65298.860.98%2,605,274
Sep 18, 2025293.00297.02291.31296.74295.951.39%1,405,728
Sep 17, 2025293.05295.21291.99292.66291.880.41%1,248,129
Sep 16, 2025287.81292.75285.80291.46290.690.71%1,175,792
Sep 15, 2025297.16298.16288.20289.40288.63-2.65%1,169,957
Sep 12, 2025299.01300.81297.22297.28296.49-1.11%1,302,078
Sep 11, 2025293.60301.02292.58300.61299.812.53%1,335,113
Sep 10, 2025297.34298.32292.83293.18292.40-1.78%1,854,736
Sep 9, 2025298.24300.44297.23298.50297.71-0.21%1,119,301
Sep 8, 2025298.31300.00295.14299.12298.33-0.02%1,153,122
Sep 5, 2025299.24300.87296.43299.18298.39-0.35%1,217,177
Sep 4, 2025304.96305.48300.08300.22298.78-1.15%1,282,371
Sep 3, 2025304.00305.95301.67303.70302.240.37%1,842,643
Sep 2, 2025303.17303.25299.14302.57301.12-0.06%1,673,483
Aug 29, 2025299.68303.17298.64302.75301.291.04%1,472,424
Aug 28, 2025297.88299.93296.62299.62298.180.30%769,117
Aug 27, 2025299.88302.40298.67298.72297.28-0.49%1,513,535
Aug 26, 2025298.06300.27295.74300.20298.760.53%2,312,415
Aug 25, 2025302.00303.09298.62298.62297.18-1.50%1,020,592
Aug 22, 2025306.68307.38302.46303.17301.71-0.72%1,165,433
Aug 21, 2025302.78306.39301.26305.38303.910.91%1,154,636
Aug 20, 2025302.09305.13300.64302.64301.180.55%1,568,451
Aug 19, 2025295.44301.05294.73300.98299.532.20%1,132,003
Aug 18, 2025292.02296.53291.08294.51293.090.61%1,376,345
Aug 15, 2025293.70294.72292.43292.72291.31-0.24%1,237,952
Aug 14, 2025295.50295.50289.93293.41292.00-0.57%1,280,156
Aug 13, 2025291.34295.44290.92295.10293.681.53%1,337,795
Aug 12, 2025289.10291.21286.82290.65289.250.60%1,275,915
Aug 11, 2025290.00291.69286.17288.92287.53-0.18%1,536,865
Aug 8, 2025290.95293.97288.42289.44288.05-0.19%1,726,231
Aug 7, 2025286.54290.07285.08289.99288.601.30%3,115,980
Aug 6, 2025286.42288.00284.14286.26284.880.17%1,136,219
Aug 5, 2025284.31288.02282.53285.78284.410.41%1,681,717
Aug 4, 2025284.49286.87282.23284.61283.240.15%1,776,089
Aug 1, 2025285.00286.00277.53284.17282.80-1.07%2,787,757
Jul 31, 2025282.02290.93281.83287.25285.870.49%2,554,727
Jul 30, 2025291.15291.15284.94285.84284.47-0.87%2,920,361
Jul 29, 2025307.90309.05287.61288.35286.96-6.72%4,081,300
Jul 28, 2025315.00315.00308.29309.12307.63-1.91%1,237,247
Jul 25, 2025310.10315.48310.10315.14313.621.97%897,384
Jul 24, 2025309.53311.83309.00309.06307.57-0.56%738,163
Jul 23, 2025313.64313.64308.74310.79309.30-0.52%659,361
Jul 22, 2025308.80313.03308.32312.41310.911.35%1,107,920
Jul 21, 2025312.67313.13307.91308.24306.76-1.56%772,699
Jul 18, 2025314.25316.71312.14313.14311.63-0.25%691,271
Jul 17, 2025309.16314.63309.14313.91312.401.29%1,288,062