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Fastly (FSLY) Research & Development (2018 - 2025)

Fastly (FSLY) has disclosed Research & Development for 8 consecutive years, with $41.6 million as the latest value for Q4 2025.

  • Quarterly Research & Development rose 27.03% to $41.6 million in Q4 2025 from the year-ago period, while the trailing twelve-month figure was $162.7 million through Dec 2025, up 17.89% year-over-year, with the annual reading at $162.7 million for FY2025, 17.89% up from the prior year.
  • Research & Development for Q4 2025 was $41.6 million at Fastly, roughly flat from $41.4 million in the prior quarter.
  • The five-year high for Research & Development was $42.2 million in Q2 2025, with the low at $29.0 million in Q1 2021.
  • Average Research & Development over 5 years is $36.7 million, with a median of $37.4 million recorded in 2023.
  • The sharpest move saw Research & Development skyrocketed 102.74% in 2021, then dropped 18.39% in 2024.
  • Over 5 years, Research & Development stood at $35.0 million in 2021, then rose by 6.29% to $37.2 million in 2022, then grew by 2.88% to $38.3 million in 2023, then decreased by 14.44% to $32.7 million in 2024, then grew by 27.03% to $41.6 million in 2025.
  • According to Business Quant data, Research & Development over the past three periods came in at $41.6 million, $41.4 million, and $42.2 million for Q4 2025, Q3 2025, and Q2 2025 respectively.