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Arthur J. Gallagher & Co. (AJG)
NYSE: AJG · Real-Time Price · USD
245.84
+3.47 (1.43%)
At close: Jan 29, 2026, 4:00 PM EST
254.50
+8.66 (3.52%)
After-hours: Jan 29, 2026, 7:56 PM EST

Arthur J. Gallagher & Co. Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jan 29, 2026244.42248.46241.71245.84245.841.43%2,236,383
Jan 28, 2026242.50246.20240.80242.37242.370.02%1,726,399
Jan 27, 2026250.06250.38236.53242.33242.33-5.12%3,484,477
Jan 26, 2026253.70255.95252.07255.41255.410.87%1,535,725
Jan 23, 2026248.58253.72248.58253.21253.211.13%1,503,952
Jan 22, 2026249.19252.11247.10250.38250.380.12%2,647,407
Jan 21, 2026255.73257.67244.98250.08250.08-1.88%2,710,096
Jan 20, 2026255.60257.61254.21254.88254.88-1.41%2,115,065
Jan 16, 2026255.23258.59253.39258.52258.520.93%2,107,695
Jan 15, 2026256.19258.27255.07256.15256.15-0.32%2,407,144
Jan 14, 2026256.79260.29255.83256.98256.98-0.01%2,607,437
Jan 13, 2026263.90264.69255.30257.00257.00-2.96%2,881,006
Jan 12, 2026265.13266.87262.40264.84264.840.09%1,814,614
Jan 9, 2026264.40266.67263.62264.59264.590.02%1,007,890
Jan 8, 2026259.43266.61258.00264.54264.542.14%1,407,432
Jan 7, 2026259.25260.94254.11259.00259.00-1.43%1,769,935
Jan 6, 2026262.17264.64259.42262.77262.77-0.18%1,302,422
Jan 5, 2026254.78265.75253.19263.24263.242.83%1,543,483
Jan 2, 2026257.11258.57254.34256.00256.00-1.08%1,228,445
Dec 31, 2025261.03261.54258.73258.79258.79-1.16%934,030
Dec 30, 2025263.04263.79261.75261.83261.83-0.50%1,005,185
Dec 29, 2025261.54263.69261.50263.14263.140.63%1,329,540
Dec 26, 2025260.76261.91259.32261.48261.480.27%829,943
Dec 24, 2025257.96261.80257.96260.77260.770.80%541,279
Dec 23, 2025258.00259.00256.48258.70258.700.17%1,137,972
Dec 22, 2025251.96259.00251.37258.25258.251.92%1,587,481
Dec 19, 2025252.88256.71252.14253.39253.390.30%3,533,130
Dec 18, 2025249.75253.77249.13252.64252.640.69%1,262,882
Dec 17, 2025252.00254.78250.26250.90250.90-0.43%1,666,578
Dec 16, 2025256.19256.74249.27251.98251.98-1.64%2,062,445
Dec 15, 2025254.21257.37253.07256.19256.190.32%2,327,987
Dec 12, 2025249.05256.18248.90255.38255.383.13%2,238,640
Dec 11, 2025242.16247.76240.83247.62247.622.98%2,426,088
Dec 10, 2025239.48240.45236.34240.45240.450.23%1,745,100
Dec 9, 2025238.68240.75237.88239.91239.910.87%1,066,984
Dec 8, 2025238.77239.79236.70237.85237.85-0.78%1,358,064
Dec 5, 2025244.69245.00238.65239.71239.71-2.32%1,772,171
Dec 4, 2025245.77246.89243.87245.41244.760.02%1,281,682
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