Aon AON
NYSE AON
$286.02 -4.80 (-1.65%)
At close: Sep 22, 2026 · 4:00 PM EDT

Aon (AON) Invested Capital (2009 - 2026)

Aon (AON) posted Invested Capital of $24.7 billion for Q2 2026, little changed on a QoQ basis from $24.6 billion in Q1 2026, and down 2.54% year-over-year from $25.3 billion in Q2 2025.

Analysis

Aon (AON) Invested Capital (2009 - 2026) Analysis & Trends

Aon has reported Invested Capital for 18 years, with the latest figure at $24.7 billion in Q2 2026.

  • On a quarterly basis, Invested Capital fell 2.54% year-over-year to $24.7 billion in Q2 2026; TTM through Jun 2026 was $24.7 billion, a 2.54% decrease from a year earlier, with the FY2025 full-year figure at $24.7 billion, up 5.95% from the prior year.
  • Invested Capital was $24.7 billion for Q2 2026 at Aon, roughly flat from $24.6 billion in the prior quarter.
  • The five-year high for Invested Capital was $25.3 billion in Q2 2025, with the low at $10.2 billion in Q3 2022.
  • Average Invested Capital over 5 years is $18.0 billion, with a median of $19.9 billion recorded in 2024.
  • The sharpest annual moves came in 2022 and 2024: Invested Capital declined 5.56% in 2022, then soared 123.02% in 2024.
  • Over 5 years, Invested Capital stood at $10.3 billion in 2022, then climbed by 1.12% to $10.5 billion in 2023, then jumped by 123.02% to $23.3 billion in 2024, then rose by 5.95% to $24.7 billion in 2025, then declined by 0.22% to $24.7 billion in 2026.
  • The last three Invested Capital figures came in at $24.7 billion (Q2 2026), $24.6 billion (Q1 2026), and $24.7 billion (Q4 2025), per Business Quant data.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Invested Cap. (Qtr)
1 Marsh & Mclennan Companies 81.24 Bn 69.29 Bn 6.04 Bn 36.64 Bn
2 Aon 60.67 Bn 59.43 Bn - 24.65 Bn
3 Arthur J. Gallagher 59.09 Bn 57.73 Bn - 38.74 Bn
4 Willis Towers Watson 28.02 Bn 26.44 Bn 2.09 Bn 14.30 Bn
5 Brown & Brown 20.61 Bn 19.72 Bn 1.41 Bn 20.37 Bn
6 XChange TEC.INC 11.95 Bn 11.95 Bn - -27.41 Mn
7 Erie Indemnity 10.83 Bn 10.48 Bn - -
8 Ryan Specialty Holdings 9.82 Bn 10.19 Bn - 4.65 Bn
9 Hagerty 4.67 Bn 4.81 Bn 244.11 Mn 865.76 Mn
10 Baldwin Insurance 4.45 Bn 4.81 Bn - 3.69 Bn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 24.65 Bn
Mar 31, 2026 24.62 Bn
Dec 31, 2025 24.71 Bn
Sep 30, 2025 24.90 Bn
Jun 30, 2025 25.30 Bn
Mar 31, 2025 24.83 Bn
Dec 31, 2024 23.32 Bn
Sep 30, 2024 23.51 Bn
Jun 30, 2024 23.64 Bn
Mar 31, 2024 16.49 Bn
Dec 31, 2023 10.46 Bn
Sep 30, 2023 10.77 Bn
Jun 30, 2023 11.49 Bn
Mar 31, 2023 11.41 Bn
Dec 31, 2022 10.34 Bn
Sep 30, 2022 10.16 Bn
Jun 30, 2022 11.19 Bn
Mar 31, 2022 11.58 Bn
Dec 31, 2021 10.55 Bn
Sep 30, 2021 10.70 Bn
API Access

Aon Invested Capital API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=invested-capital&ticker=AON&period=max&api_key=YOUR_API_KEY