Quick Answer
Alector, Inc. reported Stockholders Equity of $30.65 million for fiscal year 2025.
Alector, Inc. Stockholders Equity — Annual History
| Fiscal Year | Stockholders Equity | YoY Change |
|---|---|---|
| 2025 | $30.65M | -75.8% |
| 2024 | $126.80M | -5.5% |
| 2023 | $134.16M | -37.4% |
| 2022 | $214.44M | -28.7% |
| 2021 | $300.72M | +12.4% |
| 2020 | $267.53M | +37.4% |
| 2019 | $194.74M | +299.9% |
| 2018 | -$97.40M | -87.2% |
| 2017 | -$52.03M | -108.9% |
| 2016 | -$24.91M | — |
Quarterly Stockholders Equity
| Quarter Ending | Stockholders Equity | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $57.71M | -51.5% | -18.9% |
| June 30, 2025 | $71.17M | -52.7% | -24.8% |
| March 31, 2025 | $94.61M | -47.1% | -25.4% |
| December 31, 2024 | $126.80M | -5.5% | +6.6% |
| September 30, 2024 | $118.93M | -26.8% | -21.0% |
| June 30, 2024 | $150.57M | -23.3% | -15.8% |
| March 31, 2024 | $178.91M | -2.2% | +33.4% |
| December 31, 2023 | $134.16M | -37.4% | -17.5% |
- Alector, Inc. showed a decrease of -75.8% in Stockholders Equity compared to the prior fiscal year.
- Over the 2016–2025 period, Alector, Inc.’s stockholders equity has grown by 223.1% (from -$24.91 million to $30.65 million).
- The most recent figure is from Alector, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 25, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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