Aon plc (AON) stock
AONNYSEInsurance Agents, Brokers & ServiceFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 28, 2026Score 19/3027% below fair value
$338.31+4.89 (+1.47%)
Close on Nov 13, 2026Market cap $71.77BP/E 18.5Yield 0.86%
Aon enterprise value
Enterprise value is market cap plus debt, minus cash: the value of the whole business to all its investors.
Aon's enterprise value was $86.27B on Nov 11, 2026, against $92.47B a year earlier. Over the last 5 years it ranged from $67.46B to $102.65B, with a median of $79.87B.
Enterprise Value at the end of each year
| Period | Period end | Value | Change |
|---|---|---|---|
| 2026 | Nov 11, 2026 | $86.27B | -6.5% |
| 2025 | Dec 31, 2025 | $92.25B | +1.8% |
| 2024 | Dec 31, 2024 | $90.66B | +28.5% |
| 2023 | Dec 29, 2023 | $70.54B | -5.8% |
| 2022 | Dec 30, 2022 | $74.90B | -1.6% |
| 2021 | Dec 31, 2021 | $76.11B | +35.7% |
| 2020 | Dec 31, 2020 | $56.09B | -1.8% |
| 2019 | Dec 31, 2019 | $57.09B | +35.7% |
| 2018 | Dec 31, 2018 | $42.06B | +7.9% |
| 2017 | Dec 29, 2017 | $38.99B | +9.3% |
| 2016 | Dec 30, 2016 | $35.68B | +16.4% |
| 2015 | Dec 31, 2015 | $30.66B | -4.2% |
| 2014 | Dec 31, 2014 | $31.99B | +9.8% |
| 2013 | Dec 31, 2013 | $29.14B | +37.6% |
| 2012 | Dec 31, 2012 | $21.17B | +12.3% |
| 2011 | Dec 30, 2011 | $18.85B | +36.4% |
| 2010 | Dec 31, 2010 | $13.82B | +20.5% |
| 2009 | Dec 31, 2009 | $11.47B | – |
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