ALECNasdaq United StatesHealth CareBiotechnology: Biological Products (No Diagnostic Substances)
Market cap
$224.430 M
$2.01 +4.14%
Close of 22 Sept 2026
Revenue
$21.0M
#2972 by revenue
Earnings
-$143.0M
Loss-making
Shares outstanding
111,656,919
Latest filing cover page
P/E ratio
—
Cap ÷ net income
Biotechnology: Biological Products (No Diagnostic Substances), ranked by market cap
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Share counts and financials for Alector are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 23 Sept 2026. Read the methodology.