Stocks › AON

Aon PLC AON

US equityMarket cap rank #273

$276.65

−$4.95 (-1.76%)

Market open · Sep 24, 1:10 pm ET

After hours $282.60 +0.36%

Open$281.81

Prev close$281.60

Day range$276.36 – $283.03

Volume1.07M

Market cap$58.68B

P/E (TTM)15.3

Dividend yield1.10%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership92.3%-0.19 pts vs. prior quarter

Institutions holding1,488-7 vs. prior quarter

Insider trades (recent)13 buys / 13 sellsBalanced

Short interest1.78% of floatDays to cover 4.4 · as of 31 Aug 2026

Short-sale volume share14.0%5-day average of daily volume

Net of large-order buying minus selling, in USD. Over this window: −$24.53M (6 inflow days, 14 outflow days).

Institutional holders1,488

Institutional ownership92.3%

Total transactions28

Bought13

Sold13

Report date	Shares short	% of float	Days to cover
31 Aug 2026	3,780,451	1.8%	4.4
14 Aug 2026	3,368,629	1.6%	3.6
31 Jul 2026	4,919,769	2.3%	3.1
15 Jul 2026	4,554,648	2.1%	4.0
30 Jun 2026	3,695,856	1.7%	1.6
15 Jun 2026	3,590,630	1.7%	2.4