Alector Inc (ALEC)
$2.21 -1.34% Close Oct 30, 2026 Live
Alector stock today
Alector closed at $2.21 on October 30, 2026, down 1.34% on the day. Over the past year it returned +45.4% with dividends reinvested, against +12.4% for the S&P 500. Its market value is $245 million.
$1.50$2.00$2.50
NovJan 2026MarMayJulSep
| Period | ALEC | S&P 500 (SPY) |
|---|---|---|
| 1 month | +19.5% | -0.9% |
| 3 months | +36.4% | +2.1% |
| Year to date | +41.7% | +11.7% |
| 1 year | +45.4% | +12.4% |
| 3 years | -57.2% | +88.5% |
| 5 years | -89.8% | +76.0% |
Key statistics
- Market value
- $245M
- Price / sales
- 17.7
- 52-week range
- $1.14 to $2.72
- Next report
- Nov 5, 2026 (estimated)
About Alector
Biotechnology company developing immunotherapies for neurodegenerative diseases.
Sector: Health Care
More on Alector
- Financials: revenue, earnings and segmentsRevenue -79% in the year to Dec 2025
- Returns: what $1,000 became$1,000 five years ago is $101.66 today
No forecast, no recommendation. This page describes Alector Inc from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.