As of January 2026 Alector has a market cap of $0.17 Billion USD. This makes Alector the world's 8692th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 31st, 2025 the market cap of Alector was reported to be: