Aon (AON) Invested Capital (2009 - 2026)

Aon's Invested Capital history runs 18 years deep, the most recent figure standing at $1.1 billion for Q1 2026.

• On a quarterly basis, Invested Capital fell 16.84% year-over-year to $1.1 billion in Q1 2026; TTM through Mar 2026 was $5.3 billion, a 151.17% increase from a year earlier, with the FY2025 full-year figure at $589.0 million, down 21.57% from the prior year.
• Invested Capital improved to $1.1 billion in Q1 2026 per AON's latest filing, from $589.0 million in the prior quarter.
• Across five years, Invested Capital topped out at $1.8 billion in Q2 2025 and bottomed at $4.0 million in Q2 2024.
• The 5-year median for Invested Capital is $860.0 million (2022), against an average of $974.0 million.
• Across the five-year window, Invested Capital sank 99.7% in 2024 and jumped 45825.0% in 2025, its largest moves.
• Year by year, Invested Capital stood at $945.0 million in 2022, then increased by 27.41% to $1.2 billion in 2023, then tumbled by 37.62% to $751.0 million in 2024, then dropped by 21.57% to $589.0 million in 2025, then surged by 90.32% to $1.1 billion in 2026.
• Per Business Quant, the three latest AON Invested Capital figures stand at $1.1 billion (Q1 2026), $589.0 million (Q4 2025), and $1.7 billion (Q3 2025).