Aon plc Market Cap

Aon plc has a market cap or net worth of 401.59 billion as of December 5, 2025. Its market cap has decreased by -15.12% in one year.

Market Cap

401.59B

Enterprise Value

492.05B

Revenue

90.75B

Ranking

n/a

PE Ratio

27.72

Stock Price

471.00

Market Cap Chart

Since June 2, 1980, Aon plc's market cap has increased from 491.35M to 401.59B, an increase of 81,632.12%. That is a compound annual growth rate of 15.87%.

Market Cap History

Date	Market Cap	% Change
Dec 4, 2025	396.01B	-17.57%
Dec 31, 2024	480.41B	69.92%
Dec 29, 2023	282.73B	-13.86%
Dec 30, 2022	328.22B	-11.05%
Dec 31, 2021	368.98B	48.70%
Dec 31, 2020	248.14B	26.58%
Dec 31, 2019	Pro	Pro
Dec 31, 2018	Pro	Pro
Dec 29, 2017	Pro	Pro
Dec 30, 2016	Pro	Pro
Dec 31, 2015	Pro	Pro

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

Related Stocks

Company	Market Cap
Banco BTG Pactual	271.34B
Banco do Brasil	129.98B
Banco Santander (Brasil)	129.62B
B3 S.A. - Brasil, Bolsa, Balcão	77.06B
BB Seguridade Participações	68.52B
Caixa Seguridade Participações	48.66B
Porto Seguro	31.21B
Banco do Nordeste do Brasil	10.61B

Market Cap Rankings