Aon plc Class A Ordinary Shares (Ireland) logo

Aon plc Class A Ordinary Shares (Ireland) (AON)

Showing Closing Date Range from Aug, 17 to Sep, 14, 2026 compared to Jul, 19 to Aug, 16, 2026.

Compare Last 28 Days with Previous Period

Current Period Close
$309.59
Aug 17, 2026 - Sep 14, 2026
Previous Period Close
$355.83
Jul 19, 2026 - Aug 16, 2026
Net Comparison Delta
$-46.24 (-12.99%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(20 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Sep 14, 2026$309.59Aug 14, 2026$355.83-12.99%
Sep 11, 2026$302.69Aug 13, 2026$357.08-15.23%
Sep 10, 2026$307.77Aug 12, 2026$352.36-12.65%
Sep 09, 2026$304.69Aug 11, 2026$356.46-14.52%
Sep 08, 2026$315.79Aug 10, 2026$356.97-11.54%
Sep 04, 2026$323.09Aug 07, 2026$358.30-9.83%
Sep 03, 2026$327.00Aug 06, 2026$360.75-9.36%
Sep 02, 2026$330.88Aug 05, 2026$359.97-8.08%
Sep 01, 2026$326.30Aug 04, 2026$356.65-8.51%
Aug 31, 2026$321.52Aug 03, 2026$357.63-10.10%
Aug 28, 2026$355.40Jul 31, 2026$360.55-1.43%
Aug 27, 2026$349.56Jul 30, 2026$366.57-4.64%
Aug 26, 2026$353.98Jul 29, 2026$377.16-6.15%
Aug 25, 2026$354.83Jul 28, 2026$381.26-6.93%
Aug 24, 2026$359.10Jul 27, 2026$367.17-2.20%
Page 1 of 2