Illumina, Inc. Worldwide Headquarters layoffs 2026: WARN notices & reports
Illumina, Inc. Worldwide Headquarters: 4 layoff events on record since Apr 2025, 4 state WARN filings in CA naming 189 workers. Latest: Jan 14, 2026. Every event links to its source.
4events on record
4WARN filings
189workers in WARN filings
Jan 14, 2026latest event
States with WARN filings: California.
Latest Illumina, Inc. Worldwide Headquarters layoff events
| Date | Event | Where | Workers | Source |
|---|---|---|---|---|
| Jan 14, 2026 | WARNWARN notice (2 sites), layoffs from Mar 9, 2026 | CA | 5 | California Employment Development Department |
| Nov 13, 2025 | WARNWARN notice, layoffs from Nov 11, 2025 | CA | 8 | California Employment Development Department |
| Nov 5, 2025 | WARNWARN notice, layoffs from Jan 5, 2026 | CA | 4 | California Employment Development Department |
| Apr 17, 2025 | WARNWARN notice, layoffs from Jun 16, 2025 | CA | 172 | California Employment Development Department |
Also filed as: Illumina, Inc Worldwide Headquarters.
About this data
WARN notices are filed by employers with state workforce agencies, usually 60 days before a mass layoff or plant closing. Counts are as reported in the notice and can change if the employer amends it. See methodology for how records are matched to companies.
Other recent WARN filings in California
- DLVR Sep 30, 2026
- Workday Sep 29, 2026
- Constellis, LLC Sep 29, 2026
- Covenant Aviation Security, LLC Sep 28, 2026
- McKinley Paper and Packaging Company Sep 28, 2026
- Corteva Agriscience LLC Sep 28, 2026