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Alector, Inc. (ALEC)

$1.83 +0.00% NASDAQ: ALEC · 15-min delayed

SOUTH SAN FRANCISCO, California
Public · NASDAQ: ALEC
103 employees

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$164.3MMarket cap

$21.0MRevenue · FY2025

-$142.9MNet income

103Employees

ALECNASDAQ

2019IPO

About Alector, Inc.

Alector Inc is a clinical-stage biotechnology company focused on developing therapies for neurodegenerative diseases. The company advances a pipeline of product candidates including Nivisnebart (AL101/GSK4527226) for Alzheimer's disease, AL137 for Alzheimer's disease, AL050 for Parkinson's disease and Lewy body dementia, and AL064, an siRNA program targeting tau for Alzheimer's disease and other tauopathies, supported by its proprietary Alector Brain Carrier (ABC) platform designed to improve delivery of therapeutics across the blood-brain barrier.

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Company facts

Type: Public · NASDAQ: ALEC
Employees: 103
IPO date: Feb 7, 2019
Headquarters: 131 OYSTER POINT BLVD., SUITE 600
SOUTH SAN FRANCISCO, California 94080
Phone: 415-231-5660
Industry: Pharmaceuticals
Website: Visit site

Incorporation record

Incorporated in: DE, United States
Registered office: Wilmington, US
Legal entity ID: 549300Z8RQOIY1JMHC25

Source: GLEIF, the global Legal Entity Identifier registry · checked Jul 26, 2026. A US headquarters does not always mean US incorporation.

Registry IDs

Ticker: ALEC Nasdaq
SEC CIK: 1653087
LEI: 549300Z8RQOIY1JMHC25
EIN: 822933343
SIC: 2836 BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)

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Reported figures

Financial summary

Revenue FY2025: $21.0M
Net income: -$142.9M
Total assets: $293.2M
Market cap: $164.3M

Source: SEC EDGAR · updated Jun 7, 2026

NASDAQ: ALEC

$1.83 +0.00%

15-minute delayed · data by Polygon.io

Past year · hover for prices

$1.14 $3.32

52-week range

Market cap: $164.3M
Shares outstanding: 89.8M
Open: —
Day range: –
Prev close: —
Volume: —
IPO date: Feb 7, 2019

Alector, Inc. (ALEC) Stock Price

Reported a net loss of $142.9M in FY2025.
Trading 45% below its 52-week high.

Automatically generated from public filings and market data. Informational only — not investment advice or a recommendation to buy or sell any security.

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Newsroom

News about Alector, Inc.

Dementia Market Insight, Epidemiology, and Forecasts, 2022-2025 & 2026-2034 GlobeNewswire Inc. · 2026-04-13 · positive ALEC Investors Have Opportunity to Join Alector, Inc. Fraud Investigation with the Schall Law Firm GlobeNewswire Inc. · 2025-11-26 · negative Alector Announces Results from its Phase 3 Clinical Trial of Potential FTD-GRN Therapeutic GlobeNewswire Inc. · 2025-10-21 · negative Alector to Participate in Upcoming Healthcare Conferences GlobeNewswire Inc. · 2025-02-25 · positive Alector Reports on Recent Progress and Outlines Strategic Priorities for 2025 GlobeNewswire Inc. · 2025-01-13 · positive Alector to Participate in Upcoming Healthcare Conferences GlobeNewswire Inc. · 2024-08-29 · positive

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FAQ

Alector, Inc.: frequently asked questions

Is Alector, Inc. an American company?

Alector, Inc. is a US-based company headquartered in South San Francisco, California, listed in the americancompanies.com directory of American companies. Its American-origin credentials have not yet been independently verified.

Where is Alector, Inc. headquartered?

Alector, Inc. is headquartered in South San Francisco, California, United States.

Is Alector, Inc. publicly traded?

Yes — Alector, Inc. is a publicly traded company. Its stock trades under the ticker symbol ALEC on the NASDAQ.

What does Alector, Inc. do?

Alector, Inc. is an American Pharmaceuticals company in the Health & Beauty sector.

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