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Alector LLC

ALECHealth Care· San Francisco, California, USA
LAYOFFS TRACKED
4
LAST EVENT
Dec 22, 2025
MARKET CAP
EMPLOYEES

Alector LLC is a biotechnology company focused on developing immuno-neurology therapies for neurodegenerative diseases. The company aims to harness the immune system to treat conditions such as Alzheimer's disease and other related disorders.

Layoff history

EVENTS PER QUARTER · HOVER FOR EMPLOYEE COUNTS

Q4 '23: 3 eventsQ1 '24: 0 eventsQ2 '24: 0 eventsQ3 '24: 0 eventsQ4 '24: 0 eventsQ1 '25: 0 eventsQ2 '25: 0 eventsQ3 '25: 0 eventsQ4 '25: 1 eventsQ1 '26: 0 eventsQ2 '26: 0 eventsQ3 '26: 0 events
Q4 '23Q1 '24Q1 '25Q1 '26Q3 '26

Layoff timeline

4 EVENTS
Dec 22, 2025WARN notice
Oct 1, 2023News

Alector LLC, a Bay Area biotech company that was once valued at $2 billion, has laid off half of its workforce, affecting approximately 200 employees. This decision comes as the company faces significant financial challenges and seeks to streamline operations. The layoffs are part of a broader effort to reduce costs and refocus its business strategy. Alector's recent struggles highlight the difficulties faced by biotech firms in the current economic climate, as they navigate funding challenges and market pressures.

Oct 1, 2023News

Alector LLC has announced significant layoffs, cutting its workforce by half, which equates to approximately 50 employees. This decision follows the disappointing results of a Phase 3 clinical trial for an antibody developed in partnership with GSK aimed at treating dementia. The company is now focusing on its remaining programs and streamlining operations in light of the trial's failure. The layoffs are part of a broader effort to adjust to the challenges faced in the biotech sector, particularly in the development of new therapies. Alector's headquarters is located in San Francisco, California.

Oct 1, 2023News

Alector LLC has announced layoffs affecting 13% of its workforce, which translates to approximately 39 employees. This decision comes as part of the company's ongoing efforts to streamline operations and reduce costs. The layoffs are part of a broader restructuring plan aimed at improving financial stability. Alector has faced challenges in recent months, prompting this workforce reduction to better align with its strategic goals. The company has not specified the exact departments impacted by these layoffs, nor has it provided a timeline for when the cuts will take effect.

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