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Alector (ALEC) Operating Expenses (2018 - 2025)

Alector (ALEC) has disclosed Operating Expenses for 8 consecutive years, with $45.8 million as the latest value for Q4 2025.

  • On a quarterly basis, Operating Expenses fell 25.51% to $45.8 million in Q4 2025 year-over-year; TTM through Dec 2025 was $177.1 million, a 27.9% decrease, with the full-year FY2025 number at $177.1 million, down 27.9% from a year prior.
  • Operating Expenses was $45.8 million for Q4 2025 at Alector, up from $40.9 million in the prior quarter.
  • In the past five years, Operating Expenses ranged from a high of $70.4 million in Q2 2022 to a low of $40.9 million in Q3 2025.
  • A 5-year average of $59.4 million and a median of $61.1 million in 2024 define the central range for Operating Expenses.
  • Peak YoY movement for Operating Expenses: rose 24.39% in 2021, then plummeted 35.92% in 2025.
  • Alector's Operating Expenses stood at $69.7 million in 2021, then increased by 0.29% to $69.9 million in 2022, then dropped by 10.42% to $62.6 million in 2023, then fell by 1.84% to $61.5 million in 2024, then fell by 25.51% to $45.8 million in 2025.
  • Per Business Quant, the three most recent readings for ALEC's Operating Expenses are $45.8 million (Q4 2025), $40.9 million (Q3 2025), and $42.0 million (Q2 2025).