Five9's Shares Outstanding (Diluted Average) rose 18.08% to $88.4 million in Q3 2025 from the same period last year, while for Sep 2025 it was $88.4 million, marking a year-over-year increase of 18.08%. This contributed to the annual value of $88.6 million for FY2024, which is 21.55% up from last year.
Per Five9's latest filing, its Shares Outstanding (Diluted Average) stood at $88.4 million for Q3 2025, which was down 0.62% from $89.0 million recorded in Q2 2025.
Five9's Shares Outstanding (Diluted Average)'s 5-year high stood at $89.3 million during Q1 2025, with a 5-year trough of $66.7 million in Q1 2021.
In the last 3 years, Five9's Shares Outstanding (Diluted Average) had a median value of $74.2 million in 2024 and averaged $78.7 million.
Data for Five9's Shares Outstanding (Diluted Average) shows a peak YoY increased of 21.55% (in 2024) over the last 5 years.
Five9's Shares Outstanding (Diluted Average) (Quarterly) stood at $67.5 million in 2021, then climbed by 3.57% to $69.9 million in 2022, then rose by 4.30% to $72.9 million in 2023, then rose by 21.55% to $88.6 million in 2024, then increased by 18.08% to $88.4 million in 2025.
Its Shares Outstanding (Diluted Average) stands at $88.4 million for Q3 2025, versus $89.0 million for Q2 2025 and $89.3 million for Q1 2025.

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