About Aon plc (AON)
Aon plc is a Insurance Brokers company operating in the Financial Services sector.
AON trades on the US stock exchanges (NYSE/NASDAQ) and is classified as a large-cap stock .
Key Statistics
- Current Price
- $325.97
- Market Cap
- $70.06B
- 52-Week High
- $402.49
- 52-Week Low
- $304.59
- Sector
- Financial Services
- Industry
- Insurance Brokers
$1,000 Invested in Aon plc (AON)
How much would $1,000 invested in AON be worth today?
What would $1,000 invested in AON 1 year ago be worth today?
A $1,000 investment in Aon plc (AON) in 2025 would be worth $839 as of May 2026, representing a -16.1% total return.
What would $1,000 invested in AON 3 years ago be worth today?
A $1,000 investment in Aon plc (AON) in 2023 would be worth $1,121 as of May 2026, representing a +12.1% total return.
What would $1,000 invested in AON 5 years ago be worth today?
A $1,000 investment in Aon plc (AON) in 2021 would be worth $1,495 as of May 2026, representing a +49.5% total return.
What would $1,000 invested in AON 10 years ago be worth today?
A $1,000 investment in Aon plc (AON) in 2016 would be worth $3,570 as of May 2026, representing a +257.0% total return.
What would $1,000 invested in AON at IPO be worth today?
A $1,000 investment in Aon plc (AON) at IPO would be worth $301,805 as of May 2026, representing a +30080.5% total return.
Monthly Returns Heatmap
Over the past 45+ years (549 months), Aon plc (AON) has averaged a monthly return of +1.31% with a median return of +1.47%. The stock had 326 positive months (59%) and 218 negative months (40%). The best month in AON's history was March 2000 with a +53.1% return, while the worst was January 2000 at -35.3%. Historically, February tends to be the strongest month (averaging +3.7%), and January the weakest (-1.2%).
AON's longest winning streak was 9 consecutive months of gains, while its longest losing streak was 6 consecutive months of losses. The best full year was 1995 with a cumulative return of +49.7%, and the worst was 2002 at -54.4%.
Annual Returns
Over 46 years of trading history, Aon plc (AON) has delivered an average annual return of +15.73% with a median return of +12.51%. The compound annual growth rate (CAGR) is +13.29%. The stock posted gains in 32 years (70%) and losses in 14 years (30%).
AON's best year was 1995 with a +61.56% gain, while the worst was 2002 at -45.13%. The longest streak of consecutive positive years was 7, and the longest losing streak was 2 years. AON achieved double-digit gains (10%+) in 24 years. It suffered double-digit losses in 5 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | -7.63% | $352.88 | $325.97 |
| 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 |
Frequently Asked Questions: AON
What sector is AON in? ▼
AON operates in the Financial Services sector, specifically in the Insurance Brokers industry. This sector includes banks, insurance companies, asset managers, and fintech companies.
How has AON performed historically? ▼
Over 46 years of trading history, AON has posted gains in 32 years (70% of the time). The best year was 1995 with a +61.6% return. Past performance does not guarantee future results.
How can I invest in AON? ▼
You can invest in AON through any brokerage account that offers access to US stock exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold AON.
Last updated: 3/24/2026