Aon plc

AON · Financial Services

About Aon plc

Aon plc (AON) has been publicly traded since 1980, making it a 46-year-old public company. It operates in the Insurance Brokers industry within the Financial Services sector. The company is headquartered in Dublin, Ireland and employs approximately 60,000 people. With a market capitalization of $69 billion, AON is a large established company.

Key Statistics

Current Price
$321.41
Market Cap
$69.08B
52-Week High
$402.49
52-Week Low
$304.59
Sector
Financial Services
Industry
Insurance Brokers

$1,000 Invested

1 Year
$819
+-18%
3 Years
$1,105
+11%
5 Years
$1,438
+44%
10 Years
$3,547
+255%
Since IPO
$297,583
+29658%

Monthly Returns Heatmap

Annual Returns

Avg Return
+15.70%
Best Year
1995 (+61.56%)
Worst Year
2002 (-45.13%)
Positive Years
32/46
Year Return Start End
2026 -8.92% $352.88 $321.41
2025 -1.16% $357.00 $352.88
2024 +24.45% $286.86 $357.00
2023 -2.31% $293.63 $286.86
2022 +0.61% $291.85 $293.63
2021 +43.39% $203.53 $291.85
2020 +2.37% $198.83 $203.53
2019 +44.68% $137.43 $198.83
2018 +9.94% $125.00 $137.43
2017 +21.49% $102.89 $125.00
2016 +22.50% $84.00 $102.89
2015 -1.60% $85.36 $84.00
2014 +14.30% $74.68 $85.36
2013 +52.45% $48.98 $74.68
2012 +20.30% $40.72 $48.98
2011 +2.95% $39.55 $40.72
2010 +21.83% $32.46 $39.55
2009 -14.80% $38.10 $32.46
2008 -2.87% $39.23 $38.10
2007 +36.99% $28.63 $39.23
2006 -0.06% $28.65 $28.63
2005 +54.35% $18.56 $28.65
2004 +2.14% $18.18 $18.56
2003 +30.36% $13.94 $18.18
2002 -45.13% $25.41 $13.94
2001 +6.33% $23.90 $25.41
2000 -11.99% $27.15 $23.90
1999 +10.71% $24.53 $27.15
1998 -3.85% $25.51 $24.53
1997 +44.56% $17.65 $25.51
1996 +27.96% $13.79 $17.65
1995 +61.56% $8.54 $13.79
1994 +3.19% $8.27 $8.54
1993 -7.35% $8.93 $8.27
1992 +41.40% $6.31 $8.93
1991 +19.11% $5.30 $6.31
1990 -14.13% $6.17 $5.30
1989 +57.40% $3.92 $6.17
1988 +28.66% $3.05 $3.92
1987 -13.37% $3.52 $3.05
1986 +2.05% $3.45 $3.52
1985 +35.74% $2.54 $3.45
1984 -0.48% $2.55 $2.54
1983 +55.08% $1.65 $2.55
1982 +15.10% $1.43 $1.65
1981 +36.17% $1.05 $1.43

Valuation

AON currently trades at a trailing P/E ratio of 18.9, which is considered moderate relative to the broader market. The forward P/E of 14.9 suggests analysts expect earnings to be lower in the coming year. The price-to-book ratio stands at 7.4. The price-to-sales ratio is 4.0.

Dividends

Aon plc pays a dividend to shareholders with a current yield of 0.93%. This translates to $2.98 per share annually. The payout ratio of 17% indicates sustainable dividend coverage.

Risk & Volatility

AON has a beta of 0.83, indicating it is similarly volatile to the overall market. The stock's 52-week range is $304.59 to $402.49, and it currently trades near its 52-week low.

Analyst Ratings

Based on 19 analyst opinions, AON has a consensus "buy" rating. The average price target of $397.42 suggests 23.6% upside from current levels.

Frequently Asked Questions

What does Aon plc do?

Aon plc is a Insurance Brokers company operating in the Financial Services sector. The company is headquartered in Dublin, Ireland.

What sector is AON in?

AON operates in the Financial Services sector, specifically in the Insurance Brokers industry.

When did AON go public?

Aon plc went public in 1980, making it a 46-year-old public company as of 2026.

How much would $1,000 invested in AON 5 years ago be worth today?

A $1,000 investment in AON five years ago would be worth approximately $1,438 today, representing a 43.8% return.

Does AON pay dividends?

Yes, Aon plc pays a dividend with a current yield of 0.93%, which is $2.98 per share annually.

What is AON's market cap?

Aon plc has a market capitalization of $69 billion, classifying it as a large-cap company.

What is AON's P/E ratio?

AON has a trailing P/E ratio of 18.9 and a forward P/E of 14.9, which measures how much investors are paying per dollar of earnings.

Is AON a buy, hold, or sell?

Based on 19 opinions, AON has a consensus "buy" rating. The average price target is $397.42.

Last updated: 3/14/2026