Deferred Tax Assets, Valuation Allowance in USD of Alector, Inc. from Q4 2018 to Q4 2024

Taxonomy & unit
us-gaap: USD
Description
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.
Summary
Alector, Inc. quarterly Deferred Tax Assets, Valuation Allowance history and change rate from Q4 2018 to Q4 2024.
  • Alector, Inc. Deferred Tax Assets, Valuation Allowance for the quarter ending 31 Dec 2024 was $231M, a 13.1% increase year-over-year.
Deferred Tax Assets, Valuation Allowance, Quarterly (USD)
Deferred Tax Assets, Valuation Allowance, YoY Quarterly Change (%)

Alector, Inc. Quarterly Deferred Tax Assets, Valuation Allowance (USD)

Period Value YoY Chg Change % Date Report Filed
Q4 2024 $231M +$26.7M +13.1% 31 Dec 2024 10-K 26 Feb 2025
Q4 2023 $205M +$40.2M +24.5% 31 Dec 2023 10-K 26 Feb 2025
Q4 2022 $164M +$42.3M +34.6% 31 Dec 2022 10-K 27 Feb 2024
Q4 2021 $122M +$16.8M +16% 31 Dec 2021 10-K 28 Feb 2023
Q4 2020 $105M +$58.2M +124% 31 Dec 2020 10-K 24 Feb 2022
Q4 2019 $47.1M +$29.8M +172% 31 Dec 2019 10-K 25 Feb 2021
Q4 2018 $17.3M 31 Dec 2018 10-K 24 Mar 2020
* An asterisk sign (*) next to the value indicates that the value is likely invalid.