Illumina Layoffs
Layoff Detector tracks official WARN Act notices filed by Illumina across U.S. states. There are 52 filings on record, affecting 1,594 workers from 2018 to 2025.
Total filings
52
Workers affected
1,594
States
1
Latest filing
Dec 22, 2025
Filings
| Location | Employees Affected | Notice Date | Type | Source |
|---|---|---|---|---|
| California | 1 | Dec 22, 2025 | Layoff Permanent | — |
| California | 1 | Dec 22, 2025 | Layoff Permanent | — |
| California | 7 | Dec 11, 2025 | Layoff Permanent | — |
| California | 7 | Dec 11, 2025 | Layoff Permanent | — |
| California | 3 | Dec 4, 2025 | Layoff Permanent | — |
| California | 3 | Dec 4, 2025 | Layoff Permanent | — |
| California | 7 | Nov 20, 2025 | Layoff Permanent | — |
| California | 7 | Nov 20, 2025 | Layoff Permanent | — |
| California | 28 | Nov 6, 2025 | Layoff Permanent | — |
| California | 28 | Nov 6, 2025 | Layoff Permanent | — |
| California | 96 | Feb 12, 2025 | Layoff Permanent | — |
| California | 96 | Feb 12, 2025 | Layoff Permanent | — |
| California | 3 | Sep 4, 2024 | Layoff Permanent | — |
| California | 3 | Sep 4, 2024 | Layoff Permanent | — |
| California | 49 | Jul 31, 2024 | Layoff Permanent | — |
| California | 49 | Jul 31, 2024 | Layoff Permanent | — |
| California | 111 | Jan 11, 2024 | Layoff Permanent | — |
| California | 111 | Jan 11, 2024 | Layoff Permanent | — |
| California | 1 | Aug 7, 2023 | Layoff Permanent | — |
| California | 1 | Aug 7, 2023 | Layoff Permanent | — |
| California | 3 | Jul 13, 2023 | Layoff Permanent | — |
| California | 3 | Jul 13, 2023 | Layoff Permanent | — |
| California | 76 | Jul 13, 2023 | Layoff Permanent | — |
| California | 76 | Jul 13, 2023 | Layoff Permanent | — |
| California | 14 | Jul 13, 2023 | Layoff Permanent | — |
| California | 14 | Jul 13, 2023 | Layoff Permanent | — |
| California | 14 | Jun 21, 2023 | Layoff Permanent | — |
| California | 71 | Jun 21, 2023 | Layoff Permanent | — |
| California | 14 | Jun 21, 2023 | Layoff Permanent | — |
| California | 1 | Jun 21, 2023 | Layoff Permanent | — |
| California | 71 | Jun 21, 2023 | Layoff Permanent | — |
| California | 1 | Jun 21, 2023 | Layoff Permanent | — |
| California | 1 | Jan 23, 2023 | Layoff Permanent | — |
| California | 1 | Jan 23, 2023 | Layoff Permanent | — |
| California | 20 | Nov 14, 2022 | Layoff Permanent | — |
| California | 206 | Nov 14, 2022 | Layoff Permanent | — |
| California | 4 | Nov 14, 2022 | Layoff Permanent | — |
| California | 1 | Nov 14, 2022 | Layoff Permanent | — |
| California | 4 | Nov 14, 2022 | Layoff Permanent | — |
| California | 1 | Nov 14, 2022 | Layoff Permanent | — |
| California | 20 | Nov 14, 2022 | Layoff Permanent | — |
| California | 206 | Nov 14, 2022 | Layoff Permanent | — |
| Foster City, California | 19 | Aug 30, 2019 | Layoff Unknown at this time | — |
| Foster City, California | 19 | Aug 30, 2019 | Layoff Unknown at this time | — |
| Hayward, California | 1 | Feb 12, 2018 | Layoff Permanent | — |
| San Francisco, California | 3 | Feb 12, 2018 | Layoff Unknown at this time | — |
| San Diego, California | 55 | Feb 12, 2018 | Layoff Unknown at this time | — |
| Hayward, California | 1 | Feb 12, 2018 | Layoff Permanent | — |
| Santa Clara, California | 2 | Feb 12, 2018 | Layoff Unknown at this time | — |
| San Francisco, California | 3 | Feb 12, 2018 | Layoff Unknown at this time | — |
| Santa Clara, California | 2 | Feb 12, 2018 | Layoff Unknown at this time | — |
| San Diego, California | 55 | Feb 12, 2018 | Layoff Unknown at this time | — |
California
Layoff Permanent1 employeesDec 22, 2025—
California
Layoff Permanent1 employeesDec 22, 2025—
California
Layoff Permanent7 employeesDec 11, 2025—
California
Layoff Permanent7 employeesDec 11, 2025—
California
Layoff Permanent3 employeesDec 4, 2025—
California
Layoff Permanent3 employeesDec 4, 2025—
California
Layoff Permanent7 employeesNov 20, 2025—
California
Layoff Permanent7 employeesNov 20, 2025—
California
Layoff Permanent28 employeesNov 6, 2025—
California
Layoff Permanent28 employeesNov 6, 2025—
California
Layoff Permanent96 employeesFeb 12, 2025—
California
Layoff Permanent96 employeesFeb 12, 2025—
California
Layoff Permanent3 employeesSep 4, 2024—
California
Layoff Permanent3 employeesSep 4, 2024—
California
Layoff Permanent49 employeesJul 31, 2024—
California
Layoff Permanent49 employeesJul 31, 2024—
California
Layoff Permanent111 employeesJan 11, 2024—
California
Layoff Permanent111 employeesJan 11, 2024—
California
Layoff Permanent1 employeesAug 7, 2023—
California
Layoff Permanent1 employeesAug 7, 2023—
California
Layoff Permanent3 employeesJul 13, 2023—
California
Layoff Permanent3 employeesJul 13, 2023—
California
Layoff Permanent76 employeesJul 13, 2023—
California
Layoff Permanent76 employeesJul 13, 2023—
California
Layoff Permanent14 employeesJul 13, 2023—
California
Layoff Permanent14 employeesJul 13, 2023—
California
Layoff Permanent14 employeesJun 21, 2023—
California
Layoff Permanent71 employeesJun 21, 2023—
California
Layoff Permanent14 employeesJun 21, 2023—
California
Layoff Permanent1 employeesJun 21, 2023—
California
Layoff Permanent71 employeesJun 21, 2023—
California
Layoff Permanent1 employeesJun 21, 2023—
California
Layoff Permanent1 employeesJan 23, 2023—
California
Layoff Permanent1 employeesJan 23, 2023—
California
Layoff Permanent20 employeesNov 14, 2022—
California
Layoff Permanent206 employeesNov 14, 2022—
California
Layoff Permanent4 employeesNov 14, 2022—
California
Layoff Permanent1 employeesNov 14, 2022—
California
Layoff Permanent4 employeesNov 14, 2022—
California
Layoff Permanent1 employeesNov 14, 2022—
California
Layoff Permanent20 employeesNov 14, 2022—
California
Layoff Permanent206 employeesNov 14, 2022—
Foster City, California
Layoff Unknown at this time19 employeesAug 30, 2019—
Foster City, California
Layoff Unknown at this time19 employeesAug 30, 2019—
Hayward, California
Layoff Permanent1 employeesFeb 12, 2018—
San Francisco, California
Layoff Unknown at this time3 employeesFeb 12, 2018—
San Diego, California
Layoff Unknown at this time55 employeesFeb 12, 2018—
Hayward, California
Layoff Permanent1 employeesFeb 12, 2018—
Santa Clara, California
Layoff Unknown at this time2 employeesFeb 12, 2018—
San Francisco, California
Layoff Unknown at this time3 employeesFeb 12, 2018—
Santa Clara, California
Layoff Unknown at this time2 employeesFeb 12, 2018—
San Diego, California
Layoff Unknown at this time55 employeesFeb 12, 2018—
Search all WARN notices or browse data coverage by state.
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