NYSE:AON | Historical Stock Price | Aon plc

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
1980-06-02 to 2026-09-04
Data captured

Stock Price Chart

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

$2.39$8.08$27.30$92.20$311.44$1,051.961980-06-022026-08-27

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

View year

Historical Stock Price — 2025

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2025-12-31$352.88$877.30453,300
2025-12-30$356.49$886.28440,100
2025-12-29$356.73$886.88433,200
2025-12-26$356.65$886.68309,400
2025-12-24$356.65$886.68283,900
2025-12-23$355.87$884.74590,300
2025-12-22$355.46$883.72827,000
2025-12-19$350.04$870.242,459,700
2025-12-18$353.02$877.65980,100
2025-12-17$352.03$875.19885,300
2025-12-16$351.80$874.621,121,400
2025-12-15$354.10$880.34968,800
2025-12-12$353.79$879.571,074,300
2025-12-11$347.40$863.681,037,300
2025-12-10$340.05$845.411,300,300
2025-12-09$346.19$860.67974,800
2025-12-08$343.39$853.71875,000
2025-12-05$345.20$858.211,189,000
2025-12-04$347.71$864.45690,800
2025-12-03$344.45$856.35798,400
2025-12-02$345.70$859.45982,900
2025-12-01$351.17$873.051,085,600
2025-11-28$353.92$879.89400,100
2025-11-26$352.61$876.63654,700
2025-11-25$350.96$872.53692,600
2025-11-24$344.70$856.971,657,400
2025-11-21$346.51$861.471,967,900
2025-11-20$345.89$859.931,124,000
2025-11-19$344.17$855.651,112,000
2025-11-18$348.54$866.511,428,700
2025-11-17$350.02$870.191,609,300
2025-11-14$350.13$870.471,232,200
2025-11-13$350.94$872.481,183,600
2025-11-12$350.11$870.421,221,200
2025-11-11$349.93$869.97789,600
2025-11-10$344.87$857.391,099,100
2025-11-07$346.32$860.991,500,600
2025-11-06$340.00$845.28897,100
2025-11-05$341.70$849.511,344,800
2025-11-04$344.21$855.751,074,500
2025-11-03$339.84$844.881,474,800
2025-10-31$340.68$846.972,460,200
2025-10-30$328.19$815.922,212,400
2025-10-29$326.07$810.651,532,200
2025-10-28$329.96$820.321,212,800
2025-10-27$336.87$837.501,438,700
2025-10-24$337.73$839.64842,000
2025-10-23$341.35$848.641,238,200
2025-10-22$343.10$852.991,189,500
2025-10-21$343.43$853.81981,500
2025-10-20$344.11$855.50935,100
2025-10-17$346.60$861.692,057,500
2025-10-16$343.12$853.041,820,400
2025-10-15$355.80$884.561,094,300
2025-10-14$360.51$896.27845,600
2025-10-13$353.36$878.50728,700
2025-10-10$360.15$895.38628,100
2025-10-09$360.42$896.05692,500
2025-10-08$365.38$908.381,114,400
2025-10-07$366.93$912.23852,900
2025-10-06$365.70$909.181,109,200
2025-10-03$363.81$904.48666,900
2025-10-02$360.73$896.82621,300
2025-10-01$360.13$895.331,444,900
2025-09-30$356.58$886.501,022,800
2025-09-29$354.62$881.631,059,600
2025-09-26$356.08$885.26824,600
2025-09-25$351.64$874.221,291,100
2025-09-24$353.74$879.44981,300
2025-09-23$353.07$877.781,761,200
2025-09-22$353.46$878.751,275,900
2025-09-19$351.32$873.433,728,800
2025-09-18$352.76$877.011,392,900
2025-09-17$358.00$890.031,426,900
2025-09-16$356.57$886.481,351,500
2025-09-15$363.80$904.45933,800
2025-09-12$371.95$924.71844,400
2025-09-11$372.25$925.461,614,300
2025-09-10$362.37$900.90798,900
2025-09-09$366.38$910.871,019,900
2025-09-08$370.01$919.891,043,500
2025-09-05$370.54$921.21789,000
2025-09-04$373.49$928.54751,300
2025-09-03$374.00$929.811,219,900
2025-09-02$371.96$924.741,285,600
2025-08-29$367.00$912.41774,600
2025-08-28$366.54$911.26711,200
2025-08-27$368.37$915.81931,600
2025-08-26$369.00$917.381,449,900
2025-08-25$370.94$922.201,025,900
2025-08-22$375.10$932.551,190,600
2025-08-21$375.27$932.971,126,200
2025-08-20$374.00$929.811,105,000
2025-08-19$372.86$926.981,111,100
2025-08-18$365.37$908.361,323,900
2025-08-15$367.01$912.431,181,100
2025-08-14$366.35$910.791,292,900
2025-08-13$370.92$922.151,316,700
2025-08-12$363.81$904.482,991,600
2025-08-11$368.09$915.121,274,700
2025-08-08$366.40$910.921,095,200
2025-08-07$365.03$907.511,843,700
2025-08-06$363.68$904.15931,800
2025-08-05$361.60$898.981,201,500
2025-08-04$360.40$896.001,133,700
2025-08-01$353.46$878.751,640,900
2025-07-31$355.71$882.491,387,300
2025-07-30$355.34$881.571,526,100
2025-07-29$354.03$878.322,218,400
2025-07-28$369.16$915.861,503,400
2025-07-25$372.89$925.112,251,400
2025-07-24$356.61$884.721,515,500
2025-07-23$357.28$886.381,679,500
2025-07-22$354.22$878.791,960,900
2025-07-21$350.91$870.581,072,300
2025-07-18$356.11$883.481,079,900
2025-07-17$354.63$879.811,220,200
2025-07-16$354.56$879.631,151,000
2025-07-15$352.38$874.231,104,200
2025-07-14$359.82$892.68764,300
2025-07-11$355.67$882.39857,300
2025-07-10$359.00$890.651,116,800
2025-07-09$356.92$885.49875,100
2025-07-08$354.57$879.662,508,000
2025-07-07$353.23$876.331,183,300
2025-07-03$354.76$880.13640,700
2025-07-02$351.55$872.171,272,600
2025-07-01$356.93$885.51883,200
2025-06-30$356.76$885.091,029,200
2025-06-27$352.73$875.094,487,900
2025-06-26$353.55$877.131,056,800
2025-06-25$354.46$879.391,074,100
2025-06-24$360.68$894.821,269,900
2025-06-23$359.95$893.011,176,600
2025-06-20$354.70$879.981,775,300
2025-06-18$350.83$870.381,035,600
2025-06-17$350.81$870.331,171,300
2025-06-16$350.04$868.421,694,000
2025-06-13$353.00$875.761,025,300
2025-06-12$355.78$882.661,366,400
2025-06-11$349.48$867.031,616,400
2025-06-10$351.71$872.561,108,500
2025-06-09$353.83$877.821,898,800
2025-06-06$371.09$920.64705,600
2025-06-05$370.49$919.161,177,700
2025-06-04$372.62$924.44852,300
2025-06-03$374.48$929.051,169,100
2025-06-02$376.16$933.221,240,900
2025-05-30$372.08$923.101,849,200
2025-05-29$366.92$910.301,272,300
2025-05-28$361.32$896.41832,400
2025-05-27$365.06$905.681,076,900
2025-05-23$356.54$884.551,087,300
2025-05-22$355.33$881.54811,600
2025-05-21$358.06$888.32910,000
2025-05-20$362.43$899.16678,100
2025-05-19$364.96$905.441,140,100
2025-05-16$361.92$897.891,096,900
2025-05-15$358.59$889.631,135,600
2025-05-14$352.22$873.831,528,100
2025-05-13$355.07$880.901,333,200
2025-05-12$353.57$877.181,288,100
2025-05-09$354.32$879.04747,900
2025-05-08$357.11$885.961,181,600
2025-05-07$359.72$892.441,201,800
2025-05-06$357.93$887.991,893,800
2025-05-05$355.49$881.941,153,000
2025-05-02$356.25$883.831,114,600
2025-05-01$351.54$872.141,198,000
2025-04-30$354.79$878.361,752,200
2025-04-29$349.90$866.252,571,300
2025-04-28$343.47$850.332,943,900
2025-04-25$335.85$831.475,317,700
2025-04-24$365.05$903.761,889,900
2025-04-23$368.83$913.121,145,300
2025-04-22$368.52$912.351,811,300
2025-04-21$355.95$881.231,363,900
2025-04-17$367.41$909.601,562,800
2025-04-16$372.82$922.99978,200
2025-04-15$379.11$938.57845,600
2025-04-14$384.34$951.511,536,700
2025-04-11$376.30$931.611,759,600
2025-04-10$369.02$913.591,427,700
2025-04-09$373.37$924.362,952,300
2025-04-08$360.23$891.821,950,400
2025-04-07$364.35$902.021,861,900
2025-04-04$375.76$930.272,392,000
2025-04-03$394.29$976.151,219,100
2025-04-02$396.03$980.451,013,700
2025-04-01$398.81$987.34765,700
2025-03-31$399.09$988.031,339,100
2025-03-28$394.55$976.791,142,300
2025-03-27$399.54$989.141,528,000
2025-03-26$396.73$982.19884,100
2025-03-25$396.14$980.73839,200
2025-03-24$393.15$973.321,143,600
2025-03-21$390.35$966.391,359,500
2025-03-20$393.17$973.37855,300
2025-03-19$390.38$966.47933,300
2025-03-18$390.05$965.651,584,600
2025-03-17$390.98$967.951,825,600
2025-03-14$398.79$987.29742,900
2025-03-13$394.20$975.92918,400
2025-03-12$398.29$986.051,573,900
2025-03-11$399.74$989.641,770,400
2025-03-10$398.99$987.782,097,600
2025-03-07$403.09$997.931,300,600
2025-03-06$401.60$994.24907,900
2025-03-05$404.07$1,000.361,459,200
2025-03-04$404.68$1,001.871,484,200
2025-03-03$409.32$1,013.362,089,200
2025-02-28$409.12$1,012.861,641,900
2025-02-27$404.00$1,000.191,095,400
2025-02-26$399.23$988.381,504,200
2025-02-25$397.57$984.271,530,300
2025-02-24$392.18$970.921,280,300
2025-02-21$389.56$964.441,751,200
2025-02-20$393.07$973.13667,900
2025-02-19$394.87$977.58854,300
2025-02-18$391.09$968.221,029,700
2025-02-14$386.99$958.07740,400
2025-02-13$390.29$966.24573,600
2025-02-12$386.74$957.46818,200
2025-02-11$384.20$951.171,040,700
2025-02-10$385.60$954.63686,400
2025-02-07$386.51$956.89851,500
2025-02-06$384.72$952.45828,700
2025-02-05$382.39$946.69962,200
2025-02-04$377.46$934.48964,900
2025-02-03$374.88$928.091,337,100
2025-01-31$370.82$916.371,351,200
2025-01-30$372.15$919.662,370,000
2025-01-29$366.74$906.29952,300
2025-01-28$371.48$918.001,099,900
2025-01-27$376.80$931.151,253,500
2025-01-24$369.16$912.271,055,200
2025-01-23$364.67$901.171,443,200
2025-01-22$367.31$907.70885,300
2025-01-21$368.08$909.601,338,500
2025-01-17$366.17$904.88860,000
2025-01-16$368.11$909.67728,500
2025-01-15$361.18$892.55909,100
2025-01-14$362.65$896.181,077,500
2025-01-13$354.68$876.491,172,000
2025-01-10$349.51$863.71971,300
2025-01-08$352.45$870.971,481,400
2025-01-07$348.44$861.071,110,900
2025-01-06$348.47$861.14771,900
2025-01-03$353.98$874.76925,400
2025-01-02$354.98$877.23484,000