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.

  • Quarterly EBITDA fell 1259.26% to -$37.3 million in Q4 2025 from the year-ago period, while the trailing twelve-month figure was -$143.0 million through Dec 2025, down 20.22% year-over-year, with the annual reading at -$143.0 million for FY2025, 20.22% down from the prior year.
  • EBITDA for Q4 2025 was -$37.3 million at Alector, down from -$34.6 million in the prior quarter.
  • The five-year high for EBITDA was $126.4 million in Q3 2021, with the low at -$56.5 million in Q4 2021.
  • Average EBITDA over 5 years is -$28.1 million, with a median of -$40.5 million recorded in 2023.
  • The sharpest move saw EBITDA soared 336.37% in 2021, then crashed 1877.56% in 2024.
  • Over 5 years, EBITDA stood at -$56.5 million in 2021, then grew by 11.06% to -$50.3 million in 2022, then increased by 19.36% to -$40.5 million in 2023, then soared by 93.23% to -$2.7 million in 2024, then crashed by 1259.26% to -$37.3 million in 2025.
  • According to Business Quant data, EBITDA over the past three periods came in at -$37.3 million, -$34.6 million, and -$30.6 million for Q4 2025, Q3 2025, and Q2 2025 respectively.