ALEC
Alector, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 11:06:59 AM EDT
2.20USD+21.547%(+0.39)74,461,498
2.2100Bid2.2200Ask0.0100SpreadPre-marketOct 5, 2026 9:29:58 AM EDT
2.72USD+50.276%(+0.91)
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250.67M
Healthcare
Biotechnology
HQ
South San Francisco, CA, USA
273
Previous Close
$1.81
Beta
1.71
52-Week High
$3.40 2025-10-16
52-Week Low
$1.09 2025-12-03
SMA 50
$2.02
SMA 200
$1.99
Avg. Vol 10D
1.02M
Avg. Vol 30D
1.24M
Avg. Vol 90D
1.10M
Relative Vol
20.11
111.66M
77.73M
69.61%
6,104,803
7.85%
3.34
50%/50%
70.84%
47.66%
0.4100%
650,000
2,208
4,580
11,915
Nov 5, 2026 (31d)
Oct 5, 2026
Alector surges on licensing agreement with Genentech · 
Seeking Alpha
Why is Alector stock surging today? · 
Investing.com
Sep 15, 2026
ALEC Profile
we are a biotech company based in san francisco dedicated to the discovery and development of novel therapies harnessing the power of immune system to treat neurodegenerative diseases such as alzheimer's disease.
ALEC Performance
| Period | Price | Date | Change | Beta |
|---|---|---|---|---|
| 1W | 1.92 | 2026-09-28 | +16.93% | -0.724 |
| 1M | 2.46 | 2026-09-04 | -8.74% | 1.144 |
| 3M | 1.94 | 2026-07-06 | +15.72% | 0.314 |
| 6M | 2.35 | 2026-04-06 | -4.26% | 0.894 |
| 1Y | 3.18 | 2025-10-06 | -29.40% | 1.706 |
| 2Y | 4.62 | 2024-10-04 | -51.41% | — |
| 5Y | 23.89 | 2021-10-05 | -90.60% | 1.622 |
ALEC Stock Summary
Alector, Inc. Common Stock (NASDAQ:ALEC) stock price today is $2.25, and today's volume is 25,001,637. ALEC is up 24.033% today. The 30 day average volume is 1.24M. ALEC market cap is $250.67M with 111.66M shares outstanding.