Quick Answer
Alector, Inc. reported Stockholders Equity of $30.65 million for the year ending 2025.
- Alector, Inc. showed a decrease of -75.8% in Stockholders Equity from 2024 to 2025.
- This data is from Alector, Inc.'s annual report (Form 10-K), filed with the SEC on February 25, 2026.
- XBRL data for this metric is available from 2016 to 2025 (10 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Quarterly values from 10-Q filings: Q1 2018: -$59.50 million | Q2 2018: -$69.40 million | Q3 2018: -$82.78 million | Q1 2019: $266.19 million | Q2 2019: $245.72 million | Q3 2019: $218.59 million | Q1 2020: $391.73 million | Q2 2020: $355.33 million | Q3 2020: $310.19 million | Q1 2021: $227.83 million | Q2 2021: $184.52 million | Q3 2021: $335.89 million | Q1 2022: $267.54 million | Q2 2022: $288.52 million | Q3 2022: $253.10 million | Q1 2023: $183.02 million | Q2 2023: $196.31 million | Q3 2023: $162.56 million | Q1 2024: $178.91 million | Q2 2024: $150.57 million | Q3 2024: $118.93 million | Q1 2025: $94.61 million | Q2 2025: $71.18 million | Q3 2025: $57.71 million.
- Over the full 10 years of available data (2016 to 2025), Alector, Inc.'s Stockholders Equity has grown by 223.1%.
- Historical annual values: Fiscal year 2025: $30.65 million | Fiscal year 2024: $126.80 million | Fiscal year 2023: $134.16 million | Fiscal year 2022: $214.44 million | Fiscal year 2021: $300.72 million | Fiscal year 2020: $267.53 million | Fiscal year 2019: $194.74 million | Fiscal year 2018: -$97.40 million | Fiscal year 2017: -$52.03 million | Fiscal year 2016: -$24.91 million.
- Data sourced from SEC EDGAR public filings as of August 6, 2026.
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