Aon plc (AON) Stock Price History
Historical prices from 1980 to 2026
- 1M
- +7.2%
- 3M
- +6.9%
- YTD
- -0.2%
- 1Y
- -3.7%
- 3Y
- +0.5%
- 5Y
- +7.6%
Loading 10-year price history...
AON Historical Performance
AON Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -46.8%
- 2003 annual price return
- +22.3%
- 2004 annual price return
- -0.8%
- 2005 annual price return
- +52.5%
- 2006 annual price return
- -5.1%
- 2007 annual price return
- +34.8%
- 2008 annual price return
- -1.6%
- 2009 annual price return
- -15.0%
- 2010 annual price return
- +21.3%
- 2011 annual price return
- +2.8%
- 2012 annual price return
- +18.2%
- 2013 annual price return
- +46.1%
- 2014 annual price return
- +15.1%
- 2015 annual price return
- -2.2%
- 2016 annual price return
- +23.0%
- 2017 annual price return
- +19.6%
- 2018 annual price return
- +10.5%
- 2019 annual price return
- +44.6%
- 2020 annual price return
- +1.2%
- 2021 annual price return
- +46.9%
- 2022 annual price return
- +2.4%
- 2023 annual price return
- -2.8%
- 2024 annual price return
- +24.7%
- 2025 annual price return
- -0.6%
- 2026 annual price return
- -2.6%
AON Stock Price Trajectory (1980–2026)
As of July 6, 2026, Aon plc (AON) trades at $343.56, representing a -3.7% return over the past year. The stock has delivered a +41.8% total return over five years (+7.6% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $412.97 on March 3, 2025. From this peak, AON has corrected -16.8%, currently trading 2% above its 200-day moving average, indicating continued institutional support.
When compared to Financial Services sector peers MMC (-20.1% 1Y), WTW (-10.6% 1Y), and AJG (-25.0% 1Y), AON has underperformed the peer group average. Compare AON vs MMC →
AON Historical Price Data · from 1980
Rows 1–50 of 11,615| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-07-01 | 327.83 | 347.27 | 327.83 | 343.56 | 1.85M | +3.58% |
| 2026-06-30 | 326.05 | 333.75 | 322.26 | 331.69 | 1.53M | +1.26% |
| 2026-06-29 | 324.97 | 330.43 | 323.41 | 327.57 | 1.35M | -0.34% |
| 2026-06-26 | 319.72 | 330.36 | 316.82 | 328.69 | 2.24M | +4.03% |
| 2026-06-25 | 324.49 | 328.45 | 315.86 | 315.95 | 1.47M | -2.92% |
| 2026-06-24 | 323.75 | 328.21 | 319.22 | 325.45 | 1.49M | +1.47% |
| 2026-06-23 | 317.73 | 323.57 | 316.69 | 320.74 | 2.22M | +2.27% |
| 2026-06-22 | 317.96 | 319.75 | 313.63 | 313.63 | 1.84M | -1.29% |
| 2026-06-18 | 327.86 | 328.00 | 317.68 | 317.74 | 2.22M | -2.74% |
| 2026-06-17 | 327.02 | 334.79 | 325.00 | 326.69 | 1.57M | -1.44% |
| 2026-06-16 | 330.80 | 333.15 | 329.13 | 331.45 | 1.60M | +0.59% |
| 2026-06-15 | 336.71 | 338.21 | 327.98 | 329.51 | 1.35M | -1.73% |
| 2026-06-12 | 335.00 | 338.20 | 330.81 | 335.31 | 1.32M | +0.07% |
| 2026-06-11 | 334.39 | 340.10 | 334.39 | 335.08 | 1.20M | -0.37% |
| 2026-06-10 | 332.15 | 340.69 | 331.00 | 336.33 | 1.50M | +1.43% |
| 2026-06-09 | 324.87 | 333.07 | 321.55 | 331.59 | 1.78M | +1.76% |
| 2026-06-08 | 325.49 | 328.83 | 323.78 | 325.85 | 1.42M | -0.82% |
| 2026-06-05 | 324.12 | 331.04 | 324.12 | 328.53 | 1.31M | +1.95% |
| 2026-06-04 | 322.08 | 327.90 | 318.81 | 322.24 | 1.50M | +2.10% |
| 2026-06-03 | 316.64 | 317.04 | 311.07 | 315.60 | 1.56M | -0.71% |
| 2026-06-02 | 317.58 | 319.35 | 312.34 | 317.86 | 1.02M | -0.80% |
| 2026-06-01 | 313.78 | 321.38 | 313.23 | 320.41 | 1.41M | +1.38% |
| 2026-05-29 | 317.32 | 317.78 | 314.54 | 316.06 | 2.02M | -0.70% |
| 2026-05-28 | 317.31 | 322.09 | 316.03 | 318.30 | 1.32M | -0.08% |
| 2026-05-27 | 321.09 | 325.60 | 317.49 | 318.54 | 1.05M | -0.23% |
| 2026-05-26 | 326.27 | 326.38 | 318.48 | 319.29 | 1.39M | -1.69% |
| 2026-05-22 | 323.28 | 325.40 | 320.65 | 324.78 | 230K | +0.17% |
| 2026-05-21 | 318.71 | 325.27 | 315.00 | 324.22 | 903K | +0.96% |
| 2026-05-20 | 320.65 | 323.60 | 316.90 | 321.15 | 1.44M | -0.78% |
| 2026-05-19 | 328.88 | 330.13 | 322.26 | 323.66 | 1.65M | -0.89% |
| 2026-05-18 | 318.81 | 328.48 | 317.51 | 326.57 | 1.40M | +2.95% |
| 2026-05-15 | 318.02 | 321.69 | 316.24 | 317.22 | 1.90M | +0.55% |
| 2026-05-14 | 314.23 | 317.23 | 311.61 | 315.50 | 1.50M | +1.48% |
| 2026-05-13 | 313.62 | 315.49 | 308.51 | 310.90 | 1.58M | -1.72% |
| 2026-05-12 | 313.89 | 317.55 | 310.63 | 316.35 | 1.56M | +1.37% |
| 2026-05-11 | 311.86 | 314.83 | 309.87 | 312.07 | 1.12M | -0.23% |
| 2026-05-08 | 313.00 | 314.06 | 309.22 | 312.79 | 1.15M | -0.26% |
| 2026-05-07 | 307.19 | 315.90 | 306.52 | 313.59 | 1.79M | +1.74% |
| 2026-05-06 | 316.44 | 317.49 | 306.87 | 308.22 | 1.17M | -1.98% |
| 2026-05-05 | 313.67 | 315.41 | 308.99 | 314.45 | 427K | -0.15% |
| 2026-05-04 | 309.93 | 316.56 | 308.57 | 314.92 | 1.36M | +1.09% |
| 2026-05-01 | 326.51 | 326.51 | 310.73 | 311.51 | 1.50M | -0.04% |
| 2026-04-30 | 312.43 | 313.90 | 307.02 | 311.65 | 2.61M | -3.36% |
| 2026-04-29 | 319.89 | 323.12 | 319.11 | 322.49 | 1.13M | +0.25% |
| 2026-04-28 | 326.73 | 328.95 | 320.53 | 321.68 | 1.11M | -0.65% |
| 2026-04-27 | 319.53 | 325.95 | 319.00 | 323.78 | 892K | +0.82% |
| 2026-04-24 | 322.42 | 323.76 | 318.63 | 321.14 | 706K | -0.75% |
| 2026-04-23 | 326.35 | 328.13 | 321.60 | 323.56 | 915K | -1.01% |
| 2026-04-22 | 333.80 | 334.92 | 324.28 | 326.86 | 816K | -2.52% |
| 2026-04-21 | 332.93 | 336.89 | 331.75 | 335.32 | 1.07M | +1.04% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
AON — Frequently Asked Questions
Quick answers to the most common questions about buying AON stock.
How has AON stock performed recently?
AON declined -3.7% over the past year, below its 5-year annualized CAGR of +7.6%. The stock trades above its 200-day moving average, reflecting the downtrend.
What is AON's all-time high price?
Aon plc reached $412.97 on 2025-03-03. The 52-week high is $381.00. Current 1-year return of -3.7% places the stock further from historical peaks.
Where can I download AON historical price data?
This page provides AON daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1980-2026, downloadable in CSV format.