US WARN layoff notices › Employers › I › Illumina, Inc. Worldwide Headquarters
Official state WARN filings by Illumina, Inc. Worldwide Headquarters since 1988, normalized from state labor department sources. Latest notice: 2026-01-23.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-01-23 | California | San Diego County | 4 | 2026-03-16 | Layoff Permanent |
| 2025-11-14 | California | San Diego County | 8 | 2025-11-11 | Layoff Permanent |
| 2025-11-06 | California | San Diego County | 4 | 2026-01-05 | Layoff Permanent |
| 2025-04-17 | California | San Diego County | 172 | 2025-06-16 | Layoff Permanent |
| 2023-08-15 | California | San Diego County | 75 | 2023-08-14 | Layoff Permanent |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
