Illumina Layoffs & WARN Notices — 1,545 Workers Affected
All WARN Act mass layoff and plant closure notices filed by Illumina.
Data updated
36
Total Notices
1,142
Workers Affected
1
States
2011
First Filing
2026
Latest Filing
Data Insights
Industry Breakdown
Workers affected by industry sector
Illumina WARN Act Filings
| Company | Location | Employees | Notice Date | Type |
|---|---|---|---|---|
| Illumina, Inc. Worldwide Headquarters | San Diego, CA | 4 | Layoff | |
| Illumina, Inc Worldwide Headquarters | San Diego, CA | 1 | Layoff | |
| Illumina | San Diego, CA | 1 | ||
| Illumina | San Diego, CA | 7 | ||
| Illumina | San Diego, CA | 3 | ||
| Illumina | San Diego, CA | 7 | ||
| Illumina, Inc. Worldwide Headquarters | San Diego, CA | 8 | ||
| Illumina | San Diego, CA | 28 | Layoff | |
| Illumina, Inc. Worldwide Headquarters | San Diego, CA | 4 | Layoff | |
| Illumina, Inc. Worldwide Headquarters | San Diego, CA | 172 | Layoff | |
| Illumina | San Diego, CA | 96 | Layoff | |
| Illumina | San Diego, CA | 3 | Layoff | |
| Illumina | San Diego, CA | 49 | Layoff | |
| Illumina | San Diego, CA | 111 | Layoff | |
| Illumina | Centre Drive San Mateo, CA | 1 | Layoff | |
| Illumina | San Diego, CA | 76 | Layoff | |
| Illumina, Inc. Worldwide Headquarters | San Diego, CA | 75 | Layoff | |
| Illumina | Centre Drive San Mateo, CA | 14 | Layoff | |
| Illumina | Hayward, CA | 3 | Layoff | |
| Illumina | San Diego, CA | 1 | Layoff |
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Free daily alerts for new WARN Act filings.
Illumina Layoff FAQ
Is Illumina laying off in 2026?
Yes. Illumina has filed 2 WARN Act notices in 2026 affecting 5 workers. See the filings table above for locations and dates.
How many layoffs has Illumina had?
Illumina has filed 44 WARN Act notices affecting a total of 1,545 workers across 1 state.
When was Illumina's most recent layoff?
Illumina's most recent WARN Act filing was on 2026-01-23.
What states has Illumina laid off workers in?
Illumina has filed WARN Act notices in: California.
What is the WARN Act?
The Worker Adjustment and Retraining Notification (WARN) Act is a federal law that requires employers with 100 or more employees to provide 60 calendar days' advance notice of plant closings and mass layoffs.
How do I get notified about Illumina layoffs?
Subscribe using the form above to receive free daily email alerts whenever new WARN Act notices are filed. You can also set up custom filters and webhooks with a paid API plan at warnfirehose.com/pricing.
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SEC Filings & Hiring Signals
Cross-dataset signals for Illumina: SEC 8-K event filings and H-1B labor condition applications often move before and after WARN notices.
8-K — 8-K
Filed 2026-06-23
8-K — 8-K
Filed 2026-05-26
8-K — 8-K
Filed 2026-04-30
8-K — 8-K
Filed 2026-04-02
8-K — 8-K
Filed 2026-02-05
1,033 H-1B LCA petitions filed (FY2010–FY2026) — check H-1B layoff risk →
Related Industries
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States with Filings
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