Layoffs Tracker›Illumina, Inc Worldwide Headquarters
WARN Act · Public Record
Illumina, Inc Worldwide Headquarters
WARN Act filings on record for Illumina, Inc Worldwide Headquarters. Each filing represents a notice submitted to a state workforce agency for a qualifying mass layoff or plant closing.
5
filings
260
employees affected (total)
CA
state
All filings
Ordered by announcement date, most recent first. Source links open the original state agency record.
| State | Location | Employees | Announced | Effective |
|---|---|---|---|---|
| CA | San Diego County | 1 | Jan 14, 2026 | Mar 9, 2026 |
| CA | San Diego County | 8 | Nov 13, 2025 | Nov 11, 2025 |
| CA | San Diego County | 4 | Nov 5, 2025 | Jan 5, 2026 |
| CA | San Diego County | 172 | Apr 17, 2025 | Jun 16, 2025 |
| CA | San Diego County | 75 | Jul 13, 2023 | Aug 14, 2023 |
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About this data: WARN Act filings are public records submitted to state workforce agencies when employers plan mass layoffs of 50+ employees or plant closings affecting 100+ workers. Some filings are later rescinded or modified — this tracker reflects raw filed data and may include filings that did not result in actual layoffs. Data is updated weekly from primary state agency sources.