Alector Inc.

Alector Inc. annual/quarterly shares outstanding history and growth rate from 2018 to 2026. Shares outstanding refers to a company's stock currently held by all its shareholders, including institutional investors and company insiders.

• Alector Inc. shares outstanding for the quarter ending March 31, 2026 was 0.11 B shs, a 11.26% increase year-over-year.
• Alector Inc. annual shares outstanding for 2025 was 0.10 B shs, a 6.64% increase from 2024.
• Alector Inc. annual shares outstanding for 2024 was 0.10 B shs, a 15.35% increase from 2023.
• Alector Inc. annual shares outstanding for 2023 was 0.08 B shs, a 1.54% increase from 2022.
• Alector Inc. annual shares outstanding for 2022 was 0.08 B shs.