US WARN layoff notices › Employers › T › Thermo Fisher
Official state WARN filings by Thermo Fisher since 1988, normalized from state labor department sources. Latest notice: 2026-01-27.
Filed under 4 spellings in state records, merged on this page: Thermo Fisher Scientific; Thermo Fisher Scientific - 5781 Building; Thermo Fisher Scientific - two (2) locations.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-01-27 | California | San Diego County | 173 | 2026-03-18 | Layoff Temporary |
| 2026-01-23 | Massachusetts | Franklin, MA | 103 | 2026-12-31 | — |
| 2026-01-08 | North Carolina | Asheville, Buncombe County | 423 | 2027-12-31 | Closure |
| 2025-07-29 | California | San Diego County | 52 | 2025-09-15 | Layoff Permanent |
| 2025-07-29 | California | San Diego County | 33 | 2025-09-15 | Layoff Permanent |
| 2025-04-29 | California | Los Angeles County | 11 | 2025-06-28 | Closure Permanent |
| 2025-04-29 | Florida | ORLANDO, FL, 32806 | 59 | 2025-06-28 | — |
| 2025-01-31 | Massachusetts | Cambridge | 300 | 2025-03-30 | — |
| 2025-01-31 | Massachusetts | Plainville | — | 2025-03-30 | — |
| 2024-11-07 | Massachusetts | Planville | — | 2025-01-06 | — |
| 2024-11-07 | Massachusetts | Lexington | 160 | 2025-01-06 | — |
| 2024-11-07 | Massachusetts | Cambridge | — | 2025-01-06 | — |
| 2024-04-03 | California | San Diego County | 74 | 2024-05-31 | Closure Permanent |
| 2023-12-22 | California | Sonoma County | 74 | 2024-02-01 | Layoff Permanent |
| 2023-11-03 | Alabama | Auburn | 97 | 2024-01-02 | Closure |
| 2023-08-08 | Florida | ALACHUA, FL, 32615 | 18 | 2023-10-09 | — |
| 2023-08-08 | Florida | ALACHUA, FL, 32615 | 187 | 2023-10-09 | — |
| 2023-08-02 | California | San Diego County | 6 | 2023-08-22 | Layoff Permanent |
| 2023-08-02 | California | San Diego County | 66 | 2023-08-27 | Layoff Permanent |
| 2023-08-02 | California | San Diego County | 5 | 2023-08-27 | Layoff Permanent |
| 2023-08-02 | California | San Diego County | 27 | 2023-08-27 | Layoff Permanent |
| 2023-08-02 | California | San Diego County | 2 | 2023-08-22 | Layoff Permanent |
| 2023-07-31 | California | San Mateo County | 64 | 2023-08-22 | Layoff Permanent |
| 2023-07-31 | California | Alameda County | 38 | 2023-08-22 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 2 | 2023-06-19 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 1 | 2023-06-23 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 33 | 2023-07-22 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 8 | 2023-07-24 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 2 | 2023-06-19 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 6 | 2023-06-26 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 3 | 2023-07-22 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 1 | 2023-06-27 | Layoff Permanent |
| 2023-06-13 | California | San Diego County | 32 | 2023-06-26 | Layoff Permanent |
| 2023-04-26 | California | San Diego County | 52 | 2023-06-10 | Layoff Permanent |
| 2023-04-26 | California | San Diego County | 137 | 2023-06-10 | Layoff Permanent |
| 2023-04-26 | California | San Diego County | 29 | 2023-06-10 | Layoff Permanent |
| 2023-03-07 | California | San Diego County | 19 | 2023-05-06 | Layoff Permanent |
| 2023-03-07 | California | San Diego County | 123 | 2023-05-06 | Layoff Permanent |
| 2023-03-07 | California | San Diego County | 12 | 2023-05-06 | Layoff Permanent |
| 2023-03-01 | New Jersey | Princton | 113 | 2023-06-16 | — |
| 2023-02-06 | California | San Diego County | 183 | 2023-01-31 | Layoff Permanent |
| 2023-02-06 | California | San Diego County | 15 | 2023-01-31 | Layoff Permanent |
| 2023-02-06 | California | San Diego County | 32 | 2023-01-31 | Layoff Permanent |
| 2022-12-12 | California | San Diego County | 1 | 2022-11-15 | Layoff Permanent |
| 2022-12-12 | California | San Diego County | 9 | 2022-11-15 | Layoff Permanent |
| 2022-11-23 | California | Alameda County | 46 | 2023-01-31 | Layoff Permanent |
| 2022-11-23 | California | San Mateo County | 49 | 2023-01-31 | Layoff Permanent |
| 2016-10-17 | California | Santa Clara | 38 | 2017-03-31 | Layoff Permanent |
| 2016-10-17 | California | San Diego | 44 | 2017-09-30 | Closure Permanent |
| 2016-10-17 | California | Hercules | 2 | 2016-12-30 | Closure Permanent |
| 2016-06-16 | California | Carlsbad | 33 | 2016-10-01 | Layoff Permanent |
| — | Pennsylvania | Bristol, Bucks | 75 | 2012-11-02 | Plant Closing |
| 2011-07-20 | Alabama | Huntsville | 67 | 2011-11-18 | Closing * |
| 2009-06-08 | Indiana | Indianapolis | 114 | 2009-12-31 | CL |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
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