Layoffs Tracker›Illumina, Inc.
WARN Act · Public Record
Illumina, Inc.
WARN Act filings on record for Illumina, Inc.. Each filing represents a notice submitted to a state workforce agency for a qualifying mass layoff or plant closing.
14
filings
315
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 | Dec 22, 2025 | Dec 22, 2025 |
| CA | San Diego County | 7 | Dec 11, 2025 | Dec 8, 2025 |
| CA | San Diego County | 3 | Dec 4, 2025 | Feb 17, 2026 |
| CA | San Diego County | 7 | Nov 20, 2025 | Jan 19, 2026 |
| CA | San Diego County | 28 | Nov 6, 2025 | Jan 5, 2026 |
| CA | San Diego County | 96 | Feb 12, 2025 | Apr 14, 2025 |
| CA | San Diego County | 3 | Sep 4, 2024 | Nov 6, 2024 |
| CA | San Diego County | 49 | Jul 31, 2024 | Oct 1, 2024 |
| CA | San Diego County | 111 | Jan 11, 2024 | Mar 12, 2024 |
| CA | San Mateo County | 1 | Aug 7, 2023 | Sep 6, 2023 |
| CA | Alameda County | 3 | Jul 13, 2023 | Aug 14, 2023 |
| CA | Alameda County | 1 | Jun 21, 2023 | Jul 21, 2023 |
| CA | San Diego County | 1 | Jan 23, 2023 | Mar 24, 2023 |
| CA | Alameda County | 4 | Nov 14, 2022 | Jan 13, 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 Some filings are later rescinded or modified — this tracker reflects raw filed data and may include filings that did not result in actual layoffs.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.