Market Cap

$64.17B

Current · Retrieved: Oct 28, 2026 · USD

AON Market Cap

Current$64.17BretrievedOct 28, 2026

AON Market Cap ($572.74M → $64.17B · CAGR +10.7%)

Latest values, visible window

High-resolution chart · PNG

AON market cap history

Daily history. Dates identify market observations.

Aon Market Cap — Daily history
Date	Market Cap
Sep 7, 1984	1,073,354,696
Aug 31, 1984	1,056,384,661
Aug 24, 1984	1,052,142,153
Aug 17, 1984	1,047,899,644
Aug 10, 1984	1,088,203,476
Aug 3, 1984	1,041,535,881
Jul 27, 1984	903,654,349
Jul 20, 1984	880,320,551
Jul 13, 1984	890,926,823
Jul 6, 1984	939,715,673
Jun 29, 1984	946,079,436
Jun 22, 1984	1,013,959,575
Jun 15, 1984	939,715,673
Jun 8, 1984	914,260,621
Jun 1, 1984	941,836,927
May 25, 1984	907,896,858
May 18, 1984	982,140,759
May 11, 1984	1,060,627,170
May 4, 1984	1,075,475,950
Apr 27, 1984	1,045,778,390
Apr 19, 1984	1,009,717,066
Apr 13, 1984	967,291,979
Apr 6, 1984	946,079,436
Mar 30, 1984	996,989,540
Mar 23, 1984	1,001,232,048
Mar 16, 1984	1,018,202,083
Mar 9, 1984	1,047,899,644
Mar 2, 1984	1,047,899,644
Feb 24, 1984	1,013,959,575
Feb 17, 1984	1,028,808,355
Feb 10, 1984	1,052,142,153
Feb 3, 1984	1,073,354,696
Jan 27, 1984	1,111,537,274
Jan 20, 1984	1,249,418,806
Jan 13, 1984	1,304,571,419
Jan 6, 1984	1,319,420,199
Dec 30, 1983	1,264,267,587
Dec 23, 1983	1,245,176,298
Dec 16, 1983	1,202,751,211
Dec 9, 1983	1,209,114,974
Dec 2, 1983	1,213,357,482
Nov 25, 1983	1,253,661,315
Nov 18, 1983	1,202,751,211
Nov 11, 1983	1,287,601,384
Nov 4, 1983	1,190,023,685
Oct 28, 1983	1,139,113,581
Oct 21, 1983	1,194,266,193
Oct 14, 1983	1,179,417,413
Oct 7, 1983	1,240,933,789
Sep 30, 1983	1,124,264,800
Sep 23, 1983	1,179,417,413
Sep 16, 1983	1,130,628,563
Sep 9, 1983	1,134,871,072
Sep 2, 1983	1,096,688,494
Aug 26, 1983	1,060,627,170
Aug 19, 1983	1,115,779,783
Aug 12, 1983	1,020,323,338
Aug 5, 1983	922,745,638
Jul 29, 1983	941,836,927
Jul 22, 1983	1,037,293,372
Jul 15, 1983	1,001,232,048
Jul 8, 1983	1,075,475,950
Jul 1, 1983	1,083,960,968
Jun 24, 1983	1,024,565,846
Jun 17, 1983	1,069,112,187
Jun 10, 1983	1,060,627,170
Jun 3, 1983	1,047,899,644
May 27, 1983	1,056,384,661
May 20, 1983	1,079,718,459
May 13, 1983	1,139,113,581
May 6, 1983	1,088,203,476
Apr 29, 1983	1,092,445,985
Apr 22, 1983	1,107,294,765
Apr 15, 1983	1,037,293,372
Apr 8, 1983	1,018,202,083
Mar 31, 1983	1,020,323,338
Mar 25, 1983	1,024,565,846
Mar 18, 1983	1,024,565,846
Mar 11, 1983	1,009,717,066
Mar 4, 1983	1,005,474,557
Feb 25, 1983	967,291,979
Feb 18, 1983	950,321,944
Feb 11, 1983	931,230,655
Feb 4, 1983	939,715,673
Jan 28, 1983	918,503,129
Jan 21, 1983	880,320,551
Jan 14, 1983	914,260,621
Jan 7, 1983	895,169,331
Dec 31, 1982	867,593,025
Dec 23, 1982	844,259,227
Dec 17, 1982	876,078,042
Dec 10, 1982	890,926,823
Dec 3, 1982	840,016,719
Nov 26, 1982	840,016,719
Nov 19, 1982	856,986,753
Nov 12, 1982	903,654,349
Nov 5, 1982	918,503,129
Oct 29, 1982	820,925,430
Oct 22, 1982	844,259,227
Oct 15, 1982	840,016,719