Deferred Tax Assets, Valuation Allowance of Alector, Inc. from 31 Dec 2018 to 31 Dec 2025

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 in USD history and change rate from 31 Dec 2018 to 31 Dec 2025.
  • Alector, Inc. Deferred Tax Assets, Valuation Allowance for the quarter ending 31 Dec 2025 was $274,229,000, a 19% increase year-over-year.
Source SEC data
View on sec.gov
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 Fiscal Year Fiscal Period
Q4 2025 $274,229,000 +$42,933,000 +19% 31 Dec 2025 10-K 25 Feb 2026 2025 FY
Q4 2024 $231,296,000 +$26,746,000 +13% 31 Dec 2024 10-K 25 Feb 2026 2025 FY
Q4 2023 $204,550,000 +$40,234,000 +24% 31 Dec 2023 10-K 26 Feb 2025 2024 FY
Q4 2022 $164,316,000 +$42,270,000 +35% 31 Dec 2022 10-K 27 Feb 2024 2023 FY
Q4 2021 $122,046,000 +$16,820,000 +16% 31 Dec 2021 10-K 28 Feb 2023 2022 FY
Q4 2020 $105,226,000 +$58,173,000 +124% 31 Dec 2020 10-K 24 Feb 2022 2021 FY
Q4 2019 $47,053,000 +$29,767,000 +172% 31 Dec 2019 10-K 25 Feb 2021 2020 FY
Q4 2018 $17,286,000 31 Dec 2018 10-K 24 Mar 2020 2019 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.