Market Cap

Aon Plc Market Capitalization:

$73.33 Billion

USD as of April 1, 2022

business Aon Plc Company Profile

Aon Plc Main Stock Listing

show_chart NYSE: AON

Market Capitalization History of Aon Plc

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Yearly evolution of Aon Plc market cap

Date Market Cap YoY Change
Jan. 1, 2022 $67.33 B 43.21%
Jan. 1, 2021 $47.02 B 2.37%
Jan. 1, 2020 $45.93 B 44.68%
Jan. 1, 2019 $31.75 B 9.94%
Jan. 1, 2018 $28.88 B 21.49%
Jan. 1, 2017 $23.77 B 22.50%
Jan. 1, 2016 $19.40 B -1.60%
Jan. 1, 2015 $19.72 B 14.30%
Jan. 1, 2014 $17.25 B 52.45%
Jan. 1, 2013 $11.32 B 20.30%
Jan. 1, 2012 $9.41 B 2.40%
Jan. 1, 2011 $9.19 B 22.49%
Jan. 1, 2010 $7.50 B -14.80%
Jan. 1, 2009 $8.80 B -2.87%
Jan. 1, 2008 $9.06 B 36.99%
Jan. 1, 2007 $6.61 B -0.06%
Jan. 1, 2006 $6.62 B 52.81%
Jan. 1, 2005 $4.33 B 3.16%
Jan. 1, 2004 $4.20 B 30.36%
Jan. 1, 2003 $3.22 B -45.13%
Jan. 1, 2002 $5.87 B 6.33%
Jan. 1, 2001 $5.52 B

Market capitalization is calculated from the opening stock price at the beginning of each year.

Stocks & Indices

Aon Plc has the following listings and related stock indices.


Stock: NYSE: AON

Stock: Bovespa: A1ON34

Stock: FSX: 4VK

What is a company's market capitalization?

The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.