Illumina, Inc Worldwide Headquarters
Private companyWARN notices since 2024
Workers affected since 2024
Executive changes, last 12 months
Last event
Workers affected over time
Cumulative workers in WARN notices since 2024
| Notice date | Workers affected | Cumulative |
|---|---|---|
| Apr 17, 2025 | 172 | 172 |
| Nov 5, 2025 | 4 | 176 |
| Nov 13, 2025 | 8 | 184 |
| Jan 14, 2026 | 4 | 188 |
| Jan 14, 2026 | 1 | 189 |
Leadership
No executive changes on record.
layoffs from Mar 9, 2026
WARN noticeWARN notice: CA
Illumina, Inc Worldwide Headquarters filed a WARN notice with the California WARN list on Jan 14, 2026 covering 1 worker. The layoffs take effect on Mar 9, 2026.
Source: California WARN list, filed Jan 14, 2026Site: CA
Workers affected: 1
layoffs from Mar 16, 2026
WARN noticeWARN notice: CA
Illumina, Inc. Worldwide Headquarters filed a WARN notice with the California WARN list on Jan 14, 2026 covering 4 workers. The layoffs take effect on Mar 16, 2026.
Source: California WARN list, filed Jan 14, 2026Site: CA
Workers affected: 4
layoffs from Nov 11, 2025
WARN noticeWARN notice: CA
Illumina, Inc. Worldwide Headquarters filed a WARN notice with the California WARN list on Nov 13, 2025 covering 8 workers. The layoffs take effect on Nov 11, 2025.
Source: California WARN list, filed Nov 13, 2025Site: CA
Workers affected: 8
layoffs from Jan 5, 2026
WARN noticeWARN notice: CA
Illumina, Inc. Worldwide Headquarters filed a WARN notice with the California WARN list on Nov 5, 2025 covering 4 workers. The layoffs take effect on Jan 5, 2026.
Source: California WARN list, filed Nov 5, 2025Site: CA
Workers affected: 4
layoffs from Jun 16, 2025
WARN noticeWARN notice: CA
Illumina, Inc. Worldwide Headquarters filed a WARN notice with the California WARN list on Apr 17, 2025 covering 172 workers. The layoffs take effect on Jun 16, 2025.
Source: California WARN list, filed Apr 17, 2025Site: CA
Workers affected: 172
layoffs from Aug 14, 2023
WARN noticeWARN notice: CA
Illumina, Inc. Worldwide Headquarters filed a WARN notice with the California WARN list on Jul 13, 2023 covering 75 workers. The layoffs take effect on Aug 14, 2023.
Source: California WARN list, filed Jul 13, 2023Site: CA
Workers affected: 75
Last verified Nov 8, 2026