Location: Illumina Way San Diego, CA (San Diego County).
A WARN notice was filed on November 20, 2025.
Disclosed through an official WARN filing with the CA state workforce agency.
Illumina, Inc. disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice filed with the CA state workforce agency on November 20, 2025. The notice covers 7 employees in Illumina Way San Diego, CA (San Diego County), with the layoff effective January 19, 2026.
That is roughly 0.1% of the 5,000 people Illumina, Inc. employs.
LayoffTalk has tracked 12 layoff events at Illumina, Inc. since April 2023, affecting a combined 654 employees.
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Illumina, Inc. cut 7 jobs in Illumina Way San Diego, CA on January 19, 2026. What did this look like from the inside — which teams, how much notice, what severance was offered? You can post anonymously below.
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