Alector

ALECNasdaq United States Health Care Biotechnology: Biological Products (No Diagnostic Substances)

Market cap

$310.598 M

$2.10 -8.11%

Close of 6 Nov 2026

As of 6 Nov 2026, Alector (ALEC) has a market capitalization of $310.6M. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$21.0M

#2953 by revenue

Earnings

-$143.0M

Loss-making

Shares outstanding

148,877,074

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Biotechnology: Biological Products (No Diagnostic Substances), ranked by market cap

All 163 →

#80Eikon TherapeuticsEIKN$315.8M
#81X4 PharmaceuticalsXFOR$314.0M
#82AlectorALEC$310.6M
#83Scribe TherapeuticsSCTX$293.7M
#84AgenusAGEN$290.4M

What if Alector were worth as much as…

Open the what-if tool →

Gold $28.2T

$190,459.21

Per share 90,911× higher

Bitcoin $1.53T

$10,305.42

Per share 4,919× higher

Apple $5.02T

$33,831.72

Per share 16,149× higher

Or at a round number

$500.0M $1.00B $2.00B $5.00B

Where these numbers come from

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. Read the methodology.