Alector, Inc., a clinical stage biotechnology company, develops therapies to counteract the progression of neurodegeneration in the United States. Its pipeline includes Nivisnebart, an investigational human recombinant monoclonal antibody for treating prevalent neurodegenerative diseases; AL137, an anti-amyloid beta antibody paired in preclinical development for the potential treatment of Alzheimer's disease; and AL050, a GCase enzyme replacement therapy in preclinical development for the potential treatment of Parkinson's disease and Lewy body dementia in patients having GBA1 gene mutations. The company also develops its preclinical and research pipeline comprising AL064, a tau siRNA for Alzheimer's disease and other tauopathies; ADP062-ABC, an alpha-synuclein siRNA for Parkinson's disease; and ADP065-ABC, an NLRP3 siRNA for neurodegenerative conditions. It has a strategic collaboration agreement with GlaxoSmithKline plc for the development and commercialization of progranulin-elevating monoclonal antibodies, including Latozinemab and Nivisnebart. The company was founded in 2013 and is headquartered in South San Francisco, California. Show more

131 Oyster Point Boulevard, South San Francisco, CA, 94080, United States

https://www.alector.com

Biotechnology

Healthcare

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Market Cap

234.3M

52 Wk Range

$1.09 - $3.40

Previous Close

$2.11

Open

$2.11

Volume

526,310

Day Range

$2.11 - $2.23

Enterprise Value

62.85M

Cash

206.5M

Avg Qtr Burn

-49.81M

Insider Ownership

9.57%

Institutional Own.

84.06%

Qtr Updated

03/31/26

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Drug & Indication	Stage & Event	Catalyst Date
AL050 (GCase Enzyme Replacement) Details Parkinson's disease, Lewy body dementia	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ADP065-ABC (NLRP3 Targeting SiRNA) Details Neurodegenerative diseases	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ADP062-ABC (Alpha-Synuclein SiRNA) Details Parkinson's disease, Lewy body dementia	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
AL137 (Amyloid Beta Antibody) Details Alzheimer's disease	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ADP064-ABC (Tau Targeting SiRNA) Details Alzheimer's disease, Tauopathies	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
AL002 (TREM 2) Details Alzheimer's disease	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
AL003 (SIGLEC 3) Details Alzheimer's disease	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
AL101 (GSK4527226) (Progranulin) Details Parkinson's disease, Alzheimer's disease, Neurological disorder	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Latozinemab (AL001) (progranulin) Details Frontotemporal dementia with a granulin mutation, Dementia	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.