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Alector (ALEC) Research & Development (2018 - 2025)

Alector (ALEC) has disclosed Research & Development for 8 consecutive years, with $32.5 million as the latest value for Q4 2025.

  • Quarterly Research & Development fell 30.13% to $32.5 million in Q4 2025 from the year-ago period, while the trailing twelve-month figure was $123.1 million through Dec 2025, down 33.81% year-over-year, with the annual reading at $123.1 million for FY2025, 33.81% down from the prior year.
  • Research & Development for Q4 2025 was $32.5 million at Alector, up from $29.4 million in the prior quarter.
  • The five-year high for Research & Development was $54.5 million in Q2 2022, with the low at $27.6 million in Q2 2025.
  • Average Research & Development over 5 years is $45.0 million, with a median of $46.4 million recorded in 2023.
  • The sharpest move saw Research & Development soared 40.39% in 2021, then plummeted 40.38% in 2025.
  • Over 5 years, Research & Development stood at $52.8 million in 2021, then increased by 3.23% to $54.5 million in 2022, then dropped by 12.42% to $47.7 million in 2023, then dropped by 2.64% to $46.5 million in 2024, then plummeted by 30.13% to $32.5 million in 2025.
  • According to Business Quant data, Research & Development over the past three periods came in at $32.5 million, $29.4 million, and $27.6 million for Q4 2025, Q3 2025, and Q2 2025 respectively.