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Fastly (FSLY) Shares Outstanding (Diluted Average) (2019 - 2025)

Fastly (FSLY) has disclosed Shares Outstanding (Diluted Average) for 7 consecutive years, with $146.9 million as the latest value for Q4 2025.

  • Quarterly Shares Outstanding (Diluted Average) rose 6.37% to $146.9 million in Q4 2025 from the year-ago period, while the trailing twelve-month figure was $146.9 million through Dec 2025, up 6.37% year-over-year, with the annual reading at $146.9 million for FY2025, 6.37% up from the prior year.
  • Shares Outstanding (Diluted Average) for Q4 2025 was $146.9 million at Fastly, up from $145.7 million in the prior quarter.
  • The five-year high for Shares Outstanding (Diluted Average) was $146.9 million in Q4 2025, with the low at $114.1 million in Q1 2021.
  • Average Shares Outstanding (Diluted Average) over 5 years is $129.2 million, with a median of $128.3 million recorded in 2023.
  • The sharpest move saw Shares Outstanding (Diluted Average) increased 17.53% in 2021, then rose 4.8% in 2023.
  • Over 5 years, Shares Outstanding (Diluted Average) stood at $116.1 million in 2021, then grew by 4.89% to $121.7 million in 2022, then grew by 5.79% to $128.8 million in 2023, then increased by 7.24% to $138.1 million in 2024, then grew by 6.37% to $146.9 million in 2025.
  • According to Business Quant data, Shares Outstanding (Diluted Average) over the past three periods came in at $146.9 million, $145.7 million, and $145.8 million for Q4 2025, Q3 2025, and Q2 2025 respectively.