NYSE:AJG | Historical Stock Price | Arthur J. Gallagher & Co.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1984-06-20 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$1.72$6.20$22.31$80.29$288.98$1,040.131984-06-202026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2021

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2021-12-31$169.67$478.64336,200
2021-12-30$168.76$476.07327,200
2021-12-29$169.81$479.04350,500
2021-12-28$169.32$477.65443,200
2021-12-27$170.44$480.81483,100
2021-12-23$166.45$469.56510,900
2021-12-22$165.22$466.09937,800
2021-12-21$163.97$462.561,100,100
2021-12-20$164.26$463.381,139,200
2021-12-17$164.40$463.781,801,900
2021-12-16$166.05$468.431,195,200
2021-12-15$167.61$472.831,311,900
2021-12-14$166.62$470.041,314,600
2021-12-13$168.81$476.22957,100
2021-12-10$169.60$478.44906,900
2021-12-09$167.68$473.03715,200
2021-12-08$169.24$477.43838,400
2021-12-07$169.68$478.67901,800
2021-12-06$167.45$472.381,064,300
2021-12-03$165.48$466.82723,600
2021-12-02$166.52$469.76989,300
2021-12-01$162.33$456.58938,200
2021-11-30$162.90$458.181,810,800
2021-11-29$164.81$463.561,064,600
2021-11-26$163.14$458.86729,900
2021-11-24$166.42$468.09744,100
2021-11-23$164.78$463.471,029,800
2021-11-22$164.80$463.53935,000
2021-11-19$163.41$459.621,227,800
2021-11-18$162.81$457.93592,600
2021-11-17$164.91$463.841,008,700
2021-11-16$166.77$469.07937,500
2021-11-15$165.38$465.16732,000
2021-11-12$165.73$466.14875,200
2021-11-11$162.70$457.62513,900
2021-11-10$161.19$453.38429,100
2021-11-09$161.56$454.42608,000
2021-11-08$160.91$452.59910,900
2021-11-05$160.26$450.761,115,800
2021-11-04$160.78$452.22927,600
2021-11-03$161.31$453.71877,500
2021-11-02$163.05$458.61987,800
2021-11-01$162.48$457.00757,000
2021-10-29$167.67$471.601,142,500
2021-10-28$164.12$461.62908,200
2021-10-27$162.20$456.221,235,500
2021-10-26$164.19$461.81797,900
2021-10-25$164.25$461.98632,800
2021-10-22$165.17$464.57509,000
2021-10-21$163.46$459.76959,100
2021-10-20$162.49$457.03621,200
2021-10-19$161.97$455.57750,300
2021-10-18$160.61$451.74770,300
2021-10-15$162.88$458.13846,700
2021-10-14$161.67$454.73920,600
2021-10-13$158.52$445.87913,200
2021-10-12$157.20$442.15921,700
2021-10-11$156.92$441.361,087,600
2021-10-08$155.66$437.821,350,300
2021-10-07$153.43$431.551,007,200
2021-10-06$152.83$429.86784,600
2021-10-05$151.85$427.10932,000
2021-10-04$149.24$419.761,153,300
2021-10-01$152.44$428.76680,800
2021-09-30$148.65$418.101,024,100
2021-09-29$150.89$424.40518,500
2021-09-28$149.80$421.34809,400
2021-09-27$152.40$428.65675,700
2021-09-24$154.04$433.26959,700
2021-09-23$152.26$428.26749,500
2021-09-22$151.39$425.811,335,600
2021-09-21$148.50$417.681,034,300
2021-09-20$146.09$410.901,236,400
2021-09-17$148.39$417.372,601,600
2021-09-16$149.80$421.34909,100
2021-09-15$150.19$422.441,831,500
2021-09-14$145.00$407.841,457,200
2021-09-13$144.43$406.231,132,500
2021-09-10$144.08$405.251,301,500
2021-09-09$145.39$408.93836,800
2021-09-08$144.50$406.431,442,700
2021-09-07$143.69$404.15725,100
2021-09-03$145.49$409.221,114,600
2021-09-02$145.82$410.141,037,800
2021-09-01$144.44$404.911,068,100
2021-08-31$143.62$402.611,375,600
2021-08-30$143.45$402.14586,700
2021-08-27$143.76$403.01874,700
2021-08-26$142.74$400.15640,700
2021-08-25$142.91$400.62666,600
2021-08-24$143.40$402.00909,300
2021-08-23$143.10$401.16947,600
2021-08-20$143.00$400.881,086,100
2021-08-19$142.00$398.071,351,000
2021-08-18$141.13$395.631,183,800
2021-08-17$141.70$397.23821,800
2021-08-16$142.93$400.681,583,200
2021-08-13$140.30$393.311,627,800
2021-08-12$141.52$396.73927,600
2021-08-11$142.28$398.861,117,100
2021-08-10$140.88$394.93873,200
2021-08-09$140.31$393.331,054,800
2021-08-06$139.06$389.83870,700
2021-08-05$138.62$388.60757,200
2021-08-04$136.95$383.92767,900
2021-08-03$138.55$388.401,044,800
2021-08-02$139.18$390.17996,300
2021-07-30$139.31$390.531,434,600
2021-07-29$139.51$391.091,147,500
2021-07-28$137.51$385.491,170,000
2021-07-27$140.33$393.391,497,500
2021-07-26$140.22$393.081,746,900
2021-07-23$143.05$401.02539,500
2021-07-22$142.11$398.38938,100
2021-07-21$140.85$394.851,420,700
2021-07-20$139.27$390.421,080,700
2021-07-19$136.64$383.05900,000
2021-07-16$139.92$392.24494,500
2021-07-15$140.14$392.86597,100
2021-07-14$138.90$389.38695,800
2021-07-13$139.14$390.06485,400
2021-07-12$140.98$395.21789,300
2021-07-09$140.50$393.87991,700
2021-07-08$138.82$389.16987,300
2021-07-07$141.84$397.62664,900
2021-07-06$140.96$395.16998,800
2021-07-02$140.30$393.31939,700
2021-07-01$140.42$393.64990,400
2021-06-30$140.08$392.69915,300
2021-06-29$141.20$395.83688,400
2021-06-28$140.68$394.37763,800
2021-06-25$141.90$397.79607,100
2021-06-24$140.34$393.42744,600
2021-06-23$140.43$393.671,208,600
2021-06-22$140.21$393.051,222,100
2021-06-21$139.66$391.511,388,300
2021-06-18$137.56$385.632,316,100
2021-06-17$139.40$390.782,348,500
2021-06-16$141.80$397.512,489,800
2021-06-15$144.54$405.19923,100
2021-06-14$144.46$404.97845,300
2021-06-11$144.61$405.391,022,200
2021-06-10$144.33$404.60606,500
2021-06-09$144.39$404.77572,700
2021-06-08$144.00$403.681,762,300
2021-06-07$143.54$402.391,461,800
2021-06-04$144.87$406.121,223,100
2021-06-03$144.58$405.311,828,700
2021-06-02$146.65$409.76909,300
2021-06-01$146.53$409.431,203,400
2021-05-28$146.61$409.65915,900
2021-05-27$146.35$408.921,663,800
2021-05-26$145.15$405.571,707,100
2021-05-25$144.40$403.481,338,300
2021-05-24$145.09$405.401,039,500
2021-05-21$144.90$404.871,108,700
2021-05-20$146.64$409.731,037,300
2021-05-19$145.39$406.241,476,000
2021-05-18$147.06$410.911,393,800
2021-05-17$146.50$409.341,498,000
2021-05-14$147.30$411.584,210,100
2021-05-13$145.86$407.565,178,900
2021-05-12$143.86$401.972,069,600
2021-05-11$148.46$414.82756,300
2021-05-10$150.79$421.33806,300
2021-05-07$151.16$422.36644,800
2021-05-06$148.84$415.881,095,300
2021-05-05$147.46$412.03622,200
2021-05-04$145.50$406.55863,100
2021-05-03$145.06$405.32840,100
2021-04-30$144.95$405.011,040,800
2021-04-29$140.75$393.28690,800
2021-04-28$140.06$391.35907,600
2021-04-27$138.59$387.24802,600
2021-04-26$135.83$379.53740,500
2021-04-23$137.94$385.43564,400
2021-04-22$136.25$380.70407,600
2021-04-21$137.17$383.27438,000
2021-04-20$136.26$380.73579,300
2021-04-19$136.26$380.73625,500
2021-04-16$136.80$382.24776,000
2021-04-15$135.06$377.38650,100
2021-04-14$132.98$371.57575,800
2021-04-13$133.95$374.28552,500
2021-04-12$132.35$369.81557,800
2021-04-09$132.55$370.37766,200
2021-04-08$132.37$369.86882,400
2021-04-07$129.83$362.761,046,000
2021-04-06$130.01$363.27931,100
2021-04-05$128.30$358.49457,000
2021-04-01$126.61$353.77844,300
2021-03-31$124.77$348.63974,600
2021-03-30$125.63$351.03510,500
2021-03-29$126.84$354.41536,500
2021-03-26$125.70$351.23507,800
2021-03-25$124.96$349.16794,100
2021-03-24$124.22$347.09900,600
2021-03-23$122.55$342.42878,400
2021-03-22$122.05$341.031,148,200
2021-03-19$121.44$339.323,122,400
2021-03-18$126.58$353.681,454,400
2021-03-17$128.43$358.851,323,200
2021-03-16$127.90$357.37819,200
2021-03-15$127.21$355.44708,500
2021-03-12$126.15$352.48472,500
2021-03-11$124.44$347.70589,900
2021-03-10$125.25$349.97609,800
2021-03-09$124.74$348.54790,300
2021-03-08$125.33$350.191,034,500
2021-03-05$124.11$346.781,289,000
2021-03-04$120.56$336.861,632,600
2021-03-03$122.00$339.551,113,400
2021-03-02$121.70$338.71798,300
2021-03-01$122.30$340.38601,300
2021-02-26$119.80$333.42904,000
2021-02-25$121.42$337.93750,300
2021-02-24$123.79$344.531,177,900
2021-02-23$123.13$342.69884,400
2021-02-22$120.90$336.48876,600
2021-02-19$120.18$334.48882,100
2021-02-18$118.62$330.14918,000
2021-02-17$117.66$327.47673,700
2021-02-16$117.67$327.49825,400
2021-02-12$116.68$324.74675,800
2021-02-11$116.33$323.76758,900
2021-02-10$117.17$326.10795,000
2021-02-09$116.91$325.38698,500
2021-02-08$117.68$327.52980,200
2021-02-05$118.40$329.53800,500
2021-02-04$116.36$323.85858,600
2021-02-03$116.23$323.49639,400
2021-02-02$117.68$327.52702,700
2021-02-01$115.19$320.59841,000
2021-01-29$115.41$321.201,314,600
2021-01-28$115.51$321.481,156,300
2021-01-27$113.11$314.801,746,100
2021-01-26$117.41$326.77887,600
2021-01-25$118.29$329.22697,100
2021-01-22$117.84$327.97715,300
2021-01-21$119.09$331.45679,000
2021-01-20$119.47$332.50574,700
2021-01-19$117.40$326.74899,800
2021-01-15$116.11$323.15867,200
2021-01-14$116.01$322.87892,100
2021-01-13$117.93$328.22957,700
2021-01-12$118.54$329.92741,600
2021-01-11$118.46$329.69691,800
2021-01-08$120.85$336.34824,200
2021-01-07$122.33$340.46742,300
2021-01-06$121.93$339.35864,600
2021-01-05$119.44$332.42602,300
2021-01-04$120.24$334.65800,700