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Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
217.78
-10.35 (-4.54%)
At close: Mar 9, 2026, 4:00 PM EDT
221.54
+3.76 (1.73%)
After-hours: Mar 9, 2026, 5:40 PM EDT

Arthur J. Gallagher & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 9, 2026226.90226.90215.28217.78217.78-4.54%1,959,545
Mar 6, 2026228.29229.65224.77228.13228.13-0.66%2,191,573
Mar 5, 2026224.46231.10223.95229.65228.951.80%2,057,116
Mar 4, 2026224.55228.64223.31225.58224.890.16%3,109,673
Mar 3, 2026228.05230.75221.48225.23224.54-1.76%2,289,375
Mar 2, 2026227.58231.02225.69229.27228.570.47%1,941,959
Feb 27, 2026228.41228.81223.51228.20227.501.32%2,959,661
Feb 26, 2026219.61225.89218.69225.22224.533.25%2,313,226
Feb 25, 2026216.70218.31213.58218.13217.471.00%2,263,315
Feb 24, 2026213.45216.23209.44215.98215.320.77%2,984,976
Feb 23, 2026214.55218.34213.01214.33213.68-1.01%2,375,151
Feb 20, 2026220.17221.00214.51216.51215.85-0.85%2,064,066
Feb 19, 2026213.80218.67213.05218.37217.701.81%2,708,874
Feb 18, 2026213.66215.23210.32214.49213.840.23%2,387,676
Feb 17, 2026212.26216.04206.93214.00213.352.66%4,648,182
Feb 13, 2026206.14212.05202.08208.45207.811.79%4,973,242
Feb 12, 2026205.18207.87195.00204.79204.17-0.25%6,242,593
Feb 11, 2026211.73212.99204.03205.31204.68-3.42%4,421,961
Feb 10, 2026220.50224.61210.01212.58211.93-2.39%5,002,301
Feb 9, 2026240.12242.00217.37217.79217.13-9.85%3,456,676
Feb 6, 2026244.26245.21239.33241.58240.84-0.48%1,387,387
Feb 5, 2026252.18253.22242.46242.75242.01-2.72%1,647,482
Feb 4, 2026247.47254.48245.73249.55248.790.73%3,285,910
Feb 3, 2026245.00250.19241.86247.73246.971.00%2,189,610
Feb 2, 2026250.42255.18244.34245.27244.52-1.64%1,890,308
Jan 30, 2026248.73256.60247.79249.37248.611.44%2,537,733
Jan 29, 2026244.42248.46241.71245.84245.091.43%2,250,574
Jan 28, 2026242.50246.20240.80242.37241.630.02%1,728,218
Jan 27, 2026250.06250.38236.53242.33241.59-5.12%3,488,102
Jan 26, 2026253.70255.95252.07255.41254.630.87%1,592,811
Jan 23, 2026248.58253.72248.58253.21252.441.13%1,504,829
Jan 22, 2026249.19252.11247.10250.38249.620.12%2,703,850
Jan 21, 2026255.73257.67244.98250.08249.32-1.88%2,710,525
Jan 20, 2026255.60257.61254.21254.88254.10-1.41%2,115,614
Jan 16, 2026255.23258.59253.39258.52257.730.93%2,126,415
Jan 15, 2026256.19258.27255.07256.15255.37-0.32%2,452,087
Jan 14, 2026256.79260.29255.83256.98256.20-0.01%2,607,959
Jan 13, 2026263.90264.69255.30257.00256.22-2.96%2,950,901
Jan 12, 2026265.13266.87262.40264.84264.030.09%1,815,140
Jan 9, 2026264.40266.67263.62264.59263.780.02%1,012,226
Jan 8, 2026259.43266.61258.00264.54263.732.14%1,407,990
Jan 7, 2026259.25260.94254.11259.00258.21-1.43%1,928,341
Jan 6, 2026262.17264.64259.42262.77261.97-0.18%1,347,691
Jan 5, 2026254.78265.75253.19263.24262.442.83%1,543,490
Jan 2, 2026257.11258.57254.34256.00255.22-1.08%1,252,807
Dec 31, 2025261.03261.54258.73258.79258.00-1.16%1,018,731
Dec 30, 2025263.04263.79261.75261.83261.03-0.50%1,017,134
Dec 29, 2025261.54263.69261.50263.14262.340.63%1,367,848
Dec 26, 2025260.76261.91259.32261.48260.680.27%844,596
Dec 24, 2025257.96261.80257.96260.77259.980.80%545,124
Dec 23, 2025258.00259.00256.48258.70257.910.17%1,153,662
Dec 22, 2025251.96259.00251.37258.25257.461.92%1,590,344
Dec 19, 2025252.88256.71252.14253.39252.620.30%3,971,236
Dec 18, 2025249.75253.77249.13252.64251.870.69%1,262,882
Dec 17, 2025252.00254.78250.26250.90250.14-0.43%1,666,578
Dec 16, 2025256.19256.74249.27251.98251.21-1.64%2,062,445
Dec 15, 2025254.21257.37253.07256.19255.410.32%2,327,987
Dec 12, 2025249.05256.18248.90255.38254.603.13%2,238,640
Dec 11, 2025242.16247.76240.83247.62246.872.98%2,426,088
Dec 10, 2025239.48240.45236.34240.45239.720.23%1,745,100
Dec 9, 2025238.68240.75237.88239.91239.180.87%1,066,984
Dec 8, 2025238.77239.79236.70237.85237.13-0.78%1,358,064
Dec 5, 2025244.69245.00238.65239.71238.98-2.32%1,772,171
Dec 4, 2025245.77246.89243.87245.41244.010.02%1,281,682
Dec 3, 2025244.43246.23242.61245.36243.960.47%1,519,219
Dec 2, 2025245.88246.74243.37244.22242.83-0.76%1,691,953
Dec 1, 2025248.40249.47246.07246.10244.70-0.61%1,418,462
Nov 28, 2025247.74249.99246.60247.62246.21-0.36%756,637
Nov 26, 2025250.57252.00247.80248.52247.11-0.69%1,011,035
Nov 25, 2025249.80251.59247.70250.24248.820.82%966,352
Nov 24, 2025251.26252.44244.72248.21246.80-1.27%2,094,699
Nov 21, 2025249.00251.65246.85251.41249.981.66%1,710,248
Nov 20, 2025245.74250.43245.69247.30245.89-0.57%1,571,211
Nov 19, 2025258.50259.61247.64248.72247.31-3.84%2,191,179
Nov 18, 2025259.54261.56256.00258.64257.17-0.26%1,814,939
Nov 17, 2025259.41261.63257.90259.31257.830.31%2,174,932
Nov 14, 2025258.22262.59254.57258.51257.040.70%1,828,638
Nov 13, 2025255.29259.45254.46256.71255.250.33%2,174,282
Nov 12, 2025254.40256.53253.17255.86254.400.34%1,256,755
Nov 11, 2025251.30255.15250.49255.00253.551.57%1,338,494
Nov 10, 2025248.88251.74247.03251.06249.630.42%1,463,144
Nov 7, 2025245.67250.89244.66250.01248.591.95%1,746,620
Nov 6, 2025246.90249.95244.28245.24243.84-1.13%1,456,687
Nov 5, 2025250.89253.00248.04248.05246.64-1.45%1,673,103
Nov 4, 2025244.50252.11242.70251.70250.273.59%2,473,799
Nov 3, 2025249.49249.49239.47242.98241.60-2.61%2,586,721
Oct 31, 2025242.75254.43242.75249.49248.07-4.79%5,066,743
Oct 30, 2025264.50265.83261.29262.03260.54-2,712,652
Oct 29, 2025265.62268.85261.04262.02260.53-2.05%3,165,319
Oct 28, 2025277.24279.00266.71267.50265.98-4.12%2,838,830
Oct 27, 2025280.56281.66278.10279.00277.41-0.62%930,396
Oct 24, 2025282.50284.17280.29280.73279.13-0.62%1,437,242
Oct 23, 2025283.03284.33280.41282.49280.88-0.19%1,086,919
Oct 22, 2025279.52284.06277.92283.04281.431.44%1,405,959
Oct 21, 2025278.80280.60277.22279.01277.42-0.09%1,424,058
Oct 20, 2025280.22280.82275.73279.26277.67-0.43%1,171,205
Oct 17, 2025280.62284.30277.95280.47278.870.11%1,415,287
Oct 16, 2025287.27288.33276.50280.17278.58-5.40%2,379,717
Oct 15, 2025301.73304.57295.36296.16294.48-2.49%2,451,563
Oct 14, 2025298.45303.98296.87303.73302.001.92%1,234,641