Company / Shares Outstanding
Alector, Inc. Shares Outstanding History
FY2019-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Shares Outstanding
99.1M
FY2025
5-year range
79.3M / 99.1M
FY2021-FY2025
Trend
+16.7%
vs FY2024
Sector context
Sector data unavailable
Latest sector comparison
What the data says
Shares Outstanding has increased for 6 consecutive years, from 13764829.00 in FY2019 to 99085888.00 in FY2025.
Based on SEC 10-K filings.
99085888.00 in FY2025 with a 5-year CAGR of +7.5%.
Increased from 82895718.00 to 99085888.00 over the past 2 years.
Shares Outstanding over time
Growth rates
- 3-Year CAGR
- +6.5%
- 5-Year CAGR
- +7.5%
- 10-Year CAGR
- -
Key checks
Key Insights
- Alector, Inc.'s shares outstanding has grown for 6 consecutive years.
- In FY2025, shares outstanding increased 16.7% year-over-year.
- Lowest shares outstanding in the period was in FY2019.
Company context
Key Data Points
- Low Piotroski F-Score: 1/9 (multiple financial health concerns)
- Altman Z-Score -3.86 (distress zone, below 1.8 threshold)
- Low earnings quality (accrual-heavy earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Shares OutstandingValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | 99.1M | +16.7% |
| FY2024 | 84.9M | +2.4% |
| FY2023 | 82.9M | +1.1% |
| FY2022 | 82.0M | +3.4% |
| FY2021 | 79.3M | +14.9% |
| FY2020 | 69.1M | +401.7% |
| FY2019 | 13.8M | - |
As of FY2025 · SEC 10-K · Updated Jun 24, 2026