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Illumina, Inc Layoffs — WARN Notices

16 WARN notices on record affecting 485 workers across 3 counties.

From public state WARN filings (CA). Updated 2026-08-13.

Filing record

WARN notices

16

Distinct filings on record

Workers affected

485

Sum of reported headcounts

Name variants resolved

1

Site/building strings combined

Coverage. California filings run from April 2023 to the present and are rebuilt from the CA EDD fiscal-year archives plus the live rolling report, refreshed hourly. 2023 is a partial year (records begin 25 April 2023). See methodology.

Where Illumina, Inc filed

CountyFilings
San Diego County11
San Mateo County3
Alameda County2

Filings by year

YearFilings
20237
20243
20253
20263

All Illumina, Inc notices

CountyWorkersLayoff dateNotice date
San Diego County32026-02-172025-12-04
San Diego County72026-01-192025-11-20
San Diego County282026-01-052025-11-06
San Diego County12025-12-222025-12-22
San Diego County72025-12-082025-12-11
San Diego County962025-04-142025-02-12
San Diego County32024-11-062024-09-04
San Diego County492024-10-012024-07-31
San Diego County1112024-03-122024-01-11
San Mateo County12023-09-062023-08-07
Alameda County32023-08-142023-07-13
San Mateo County142023-08-142023-07-13
San Diego County762023-08-142023-07-13
San Diego County142023-07-212023-06-21
San Mateo County712023-07-212023-06-21
Alameda County12023-07-212023-06-21

Track filings like these

Kcalbin WARN Intelligence scores each new filing by county displacement risk and delivers it as it is filed.

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