Growth Metrics

Alector (ALEC) EBITDA (2018 - 2025)

Alector (ALEC) has disclosed EBITDA for 8 consecutive years, with -$37.3 million as the latest value for Q4 2025.

  • On a quarterly basis, EBITDA fell 1259.26% to -$37.3 million in Q4 2025 year-over-year; TTM through Dec 2025 was -$143.0 million, a 20.22% decrease, with the full-year FY2025 number at -$143.0 million, down 20.22% from a year prior.
  • EBITDA was -$37.3 million for Q4 2025 at Alector, down from -$34.6 million in the prior quarter.
  • In the past five years, EBITDA ranged from a high of $126.4 million in Q3 2021 to a low of -$56.5 million in Q4 2021.
  • A 5-year average of -$28.1 million and a median of -$40.5 million in 2023 define the central range for EBITDA.
  • Peak YoY movement for EBITDA: surged 336.37% in 2021, then tumbled 1877.56% in 2024.
  • Alector's EBITDA stood at -$56.5 million in 2021, then rose by 11.06% to -$50.3 million in 2022, then grew by 19.36% to -$40.5 million in 2023, then surged by 93.23% to -$2.7 million in 2024, then tumbled by 1259.26% to -$37.3 million in 2025.
  • Per Business Quant, the three most recent readings for ALEC's EBITDA are -$37.3 million (Q4 2025), -$34.6 million (Q3 2025), and -$30.6 million (Q2 2025).