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Aon (AON) Shares Outstanding (Diluted Average) (2016 - 2025)

Aon has reported Shares Outstanding (Diluted Average) over the past 17 years, most recently at $217.1 million for Q4 2025.

  • Quarterly results put Shares Outstanding (Diluted Average) at $217.1 million for Q4 2025, up 2.16% from a year ago — trailing twelve months through Dec 2025 was $217.1 million (up 2.16% YoY), and the annual figure for FY2025 was $217.1 million, up 2.16%.
  • Shares Outstanding (Diluted Average) for Q4 2025 was $217.1 million at Aon, roughly flat from $217.3 million in the prior quarter.
  • Over the last five years, Shares Outstanding (Diluted Average) for AON hit a ceiling of $228.1 million in Q1 2021 and a floor of $200.1 million in Q1 2024.
  • Median Shares Outstanding (Diluted Average) over the past 5 years was $216.0 million (2022), compared with a mean of $214.9 million.
  • Biggest five-year swings in Shares Outstanding (Diluted Average): decreased 6.63% in 2022 and later rose 8.9% in 2025.
  • Aon's Shares Outstanding (Diluted Average) stood at $226.1 million in 2021, then dropped by 5.71% to $213.2 million in 2022, then dropped by 3.85% to $205.0 million in 2023, then rose by 3.66% to $212.5 million in 2024, then increased by 2.16% to $217.1 million in 2025.
  • The last three reported values for Shares Outstanding (Diluted Average) were $217.1 million (Q4 2025), $217.3 million (Q3 2025), and $217.3 million (Q2 2025) per Business Quant data.