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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.

  • On a quarterly basis, Research & Development fell 30.13% to $32.5 million in Q4 2025 year-over-year; TTM through Dec 2025 was $123.1 million, a 33.81% decrease, with the full-year FY2025 number at $123.1 million, down 33.81% from a year prior.
  • Research & Development was $32.5 million for Q4 2025 at Alector, up from $29.4 million in the prior quarter.
  • In the past five years, Research & Development ranged from a high of $54.5 million in Q2 2022 to a low of $27.6 million in Q2 2025.
  • A 5-year average of $45.0 million and a median of $46.4 million in 2023 define the central range for Research & Development.
  • Peak YoY movement for Research & Development: surged 40.39% in 2021, then crashed 40.38% in 2025.
  • Alector's Research & Development stood at $52.8 million in 2021, then grew by 3.23% to $54.5 million in 2022, then fell by 12.42% to $47.7 million in 2023, then fell by 2.64% to $46.5 million in 2024, then crashed by 30.13% to $32.5 million in 2025.
  • Per Business Quant, the three most recent readings for ALEC's Research & Development are $32.5 million (Q4 2025), $29.4 million (Q3 2025), and $27.6 million (Q2 2025).