Fastly (FSLY) Shares Outstanding (Diluted Average) (2019 - 2026)

Fastly (FSLY) has 8 years of Shares Outstanding (Diluted Average) data on file, last reported at $153.6 million in Q1 2026.

• Quarterly Shares Outstanding (Diluted Average) rose 7.19% year-over-year to $153.6 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $153.6 million (up 7.19% YoY) and the FY2025 annual result came in at $146.9 million, up 6.37% from the prior year.
• Shares Outstanding (Diluted Average) advanced to $153.6 million in Q1 2026 per FSLY's latest filing, from $146.9 million in the prior quarter.
• Across five years, Shares Outstanding (Diluted Average) topped out at $153.6 million in Q1 2026 and bottomed at $119.7 million in Q1 2022.
• The 5-year median for Shares Outstanding (Diluted Average) is $134.6 million (2024), against an average of $133.9 million.
• The widest annual swing landed in 2023, when Shares Outstanding (Diluted Average) climbed 4.41%; it then rose 9.0% in 2024.
• Tracing FSLY's Shares Outstanding (Diluted Average) over 5 years: stood at $121.7 million in 2022, then climbed by 5.79% to $128.8 million in 2023, then gained by 7.24% to $138.1 million in 2024, then rose by 6.37% to $146.9 million in 2025, then rose by 4.55% to $153.6 million in 2026.
• Per Business Quant, the three latest FSLY Shares Outstanding (Diluted Average) figures stand at $153.6 million (Q1 2026), $146.9 million (Q4 2025), and $145.7 million (Q3 2025).

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