Operating Margin of Alector, Inc. from 31 Dec 2017 to 30 Sep 2025

Taxonomy & unit
ratio: %
Description
The operating margin measures the profit a company makes on a dollar of sales after accounting for the direct costs involved in earning those revenues.
Summary
Alector, Inc. quarterly and annual Operating Margin in % history and change rate from 31 Dec 2017 to 30 Sep 2025.
  • Alector, Inc. Operating Margin for the quarter ending 30 Sep 2025 was -179%.
  • Alector, Inc. annual Operating Margin for 2024 was -144%, a 7.8% increase from 2023.
  • Alector, Inc. annual Operating Margin for 2023 was -156%, a 51% decline from 2022.
  • Alector, Inc. annual Operating Margin for 2022 was -103%.
Operating Margin, Quarterly (%)
Operating Margin, YoY Quarterly Change (%)
Operating Margin, Annual (%)
Operating Margin, YoY Annual Change (%)

Alector, Inc. Quarterly Operating Margin (%)

Period Value YoY Chg Change % Start Date End Date
Q3 2025 -179% 01 Jul 2025 30 Sep 2025
Q2 2025 -166% 01 Apr 2025 30 Jun 2025
Q1 2025 -165% 01 Jan 2025 31 Mar 2025
Q4 2024 -144% 01 Oct 2024 31 Dec 2024
Q4 2019 -539% -332% -160% 01 Oct 2019 31 Dec 2019
Q3 2019 -415% 01 Jul 2019 30 Sep 2019
Q2 2019 -297% 01 Apr 2019 30 Jun 2019
Q1 2019 -243% 01 Jan 2019 31 Mar 2019
Q4 2018 -207% 01 Oct 2018 31 Dec 2018

Alector, Inc. Annual Operating Margin (%)

Period Value YoY Chg Change % Start Date End Date
2024 -144% +12% +7.8% 01 Jan 2024 31 Dec 2024
2023 -156% -53% -51% 01 Jan 2023 31 Dec 2023
2022 -103% 01 Jan 2022 31 Dec 2022
2020 -925% -386% -72% 01 Jan 2020 31 Dec 2020
2019 -539% -332% -160% 01 Jan 2019 31 Dec 2019
2018 -207% +668% +76% 01 Jan 2018 31 Dec 2018
2017 -875% 01 Jan 2017 31 Dec 2017
* An asterisk sign (*) next to the value indicates that the value is likely invalid.