Genentech Layoffs
Layoff Detector tracks official WARN Act notices filed by Genentech across U.S. states. There are 11 filings on record, affecting 1,717 workers from 2017 to 2026.
Total filings
11
Workers affected
1,717
States
1
Latest filing
Jun 26, 2026
Filings
| Location | Employees Affected | Notice Date | Type | Source |
|---|---|---|---|---|
| California | 103 | Jun 26, 2026 | Layoff Permanent | — |
| California | 118 | Oct 24, 2025 | Layoff Permanent | — |
| California | 87 | Jul 16, 2025 | Layoff Permanent | — |
| California | 141 | Jun 26, 2025 | Layoff Permanent | — |
| California | 143 | May 29, 2025 | Layoff Permanent | — |
| California | 93 | Aug 22, 2024 | Layoff Permanent | — |
| California | 436 | Apr 3, 2024 | Layoff Permanent | — |
| California | 271 | Mar 23, 2023 | Layoff Permanent | — |
| South San Francisco, California | 114 | Feb 13, 2020 | Closure Permanent | — |
| South San, California | 83 | Nov 29, 2018 | Layoff Permanent | — |
| Vacaville, California | 128 | Nov 1, 2017 | Layoff Permanent | — |
California
Layoff Permanent103 employeesJun 26, 2026—
California
Layoff Permanent118 employeesOct 24, 2025—
California
Layoff Permanent87 employeesJul 16, 2025—
California
Layoff Permanent141 employeesJun 26, 2025—
California
Layoff Permanent143 employeesMay 29, 2025—
California
Layoff Permanent93 employeesAug 22, 2024—
California
Layoff Permanent436 employeesApr 3, 2024—
California
Layoff Permanent271 employeesMar 23, 2023—
South San Francisco, California
Closure Permanent114 employeesFeb 13, 2020—
South San, California
Layoff Permanent83 employeesNov 29, 2018—
Vacaville, California
Layoff Permanent128 employeesNov 1, 2017—
Search all WARN notices or browse data coverage by state.
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