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

Aon (AON) has 17 years of Shares Outstanding (Diluted Average) data on record, last reported at $217.1 million in Q4 2025.

  • For Q4 2025, Shares Outstanding (Diluted Average) rose 2.16% year-over-year to $217.1 million; the TTM value through Dec 2025 reached $217.1 million, up 2.16%, while the annual FY2025 figure was $217.1 million, 2.16% up from the prior year.
  • Shares Outstanding (Diluted Average) reached $217.1 million in Q4 2025 per AON's latest filing, roughly flat from $216.7 million in the prior quarter.
  • Across five years, Shares Outstanding (Diluted Average) topped out at $228.1 million in Q1 2021 and bottomed at $200.1 million in Q1 2024.
  • Average Shares Outstanding (Diluted Average) over 5 years is $215.1 million, with a median of $215.6 million recorded in 2022.
  • Peak YoY movement for Shares Outstanding (Diluted Average): dropped 5.87% in 2022, then grew 8.9% in 2025.
  • A 5-year view of Shares Outstanding (Diluted Average) shows it stood at $226.1 million in 2021, then fell by 5.71% to $213.2 million in 2022, then fell by 3.85% to $205.0 million in 2023, then increased by 3.66% to $212.5 million in 2024, then grew by 2.16% to $217.1 million in 2025.
  • Per Business Quant database, its latest 3 readings for Shares Outstanding (Diluted Average) were $217.1 million in Q4 2025, $216.7 million in Q3 2025, and $217.6 million in Q2 2025.