Aon (AON) has a market capitalization of $78.4B, based on 215.63M shares at a price of $363.75 (up 0.7% today).
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
October 2025 | $360.73 | 2,066,143 | 215,626,598 | $77,782,982,696.54 |
September 2025 | $356.58 | 26,417,251 | 217,300,000 | $77,484,834,000.00 |
August 2025 | $367.00 | 26,653,800 | 217,300,000 | $79,749,100,000.00 |
July 2025 | $354.97 | 29,771,400 | 217,300,000 | $77,133,894,500.00 |
June 2025 | $356.01 | 27,931,700 | 217,300,000 | $77,361,581,440.00 |
May 2025 | $371.30 | 24,530,500 | 217,300,000 | $80,683,642,110.00 |
April 2025 | $353.30 | 39,061,200 | 217,300,000 | $76,772,850,550.00 |
March 2025 | $397.42 | 27,778,900 | 217,900,000 | $86,597,360,410.00 |
February 2025 | $407.41 | 20,158,900 | 217,900,000 | $88,773,745,610.00 |
January 2025 | $368.59 | 22,241,100 | 217,900,000 | $80,316,676,180.00 |
December 2024 | $357.00 | 21,107,100 | 218,300,000 | $77,933,995,030.00 |
November 2024 | $389.19 | 20,918,600 | 218,300,000 | $84,960,133,340.00 |
October 2024 | $364.00 | 22,629,100 | 218,300,000 | $79,460,523,270.00 |
September 2024 | $343.28 | 15,907,200 | 218,400,000 | $74,972,439,360.00 |
August 2024 | $341.03 | 19,885,500 | 218,400,000 | $74,480,558,880.00 |
July 2024 | $325.27 | 27,779,200 | 218,400,000 | $71,038,443,840.00 |
June 2024 | $290.68 | 35,193,100 | 213,300,000 | $62,002,555,920.00 |
May 2024 | $278.86 | 35,332,600 | 213,300,000 | $59,480,880,660.00 |
April 2024 | $279.23 | 29,489,100 | 213,300,000 | $59,559,033,780.00 |
March 2024 | $329.63 | 15,617,200 | 200,100,000 | $65,959,483,260.00 |
February 2024 | $312.12 | 20,852,600 | 200,100,000 | $62,455,151,970.00 |
January 2024 | $294.77 | 25,226,400 | 200,100,000 | $58,984,437,480.00 |
December 2023 | $286.86 | 26,182,900 | 202,000,000 | $57,946,507,800.00 |
November 2023 | $323.80 | 18,013,600 | 202,000,000 | $65,407,357,600.00 |
October 2023 | $304.98 | 17,434,900 | 202,000,000 | $61,606,242,800.00 |
