Layoff Atlas
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US WARN intelligence

Illumina layoffs & WARN notices

Illumina appears in 26 non-cancelled imported WARN records across 1 states. These records report 797 affected workers; 0 have future effective dates. Totals include imported records only. Secondary records are attributed separately.

What the official notice history shows

During the last 365 days, this imported archive contains 5 eligible official filings for Illumina, reporting 46 affected workers. 0 worker counts are unavailable. The newest official notice date is Dec 22, 2025.

26 non-cancelled direct government records and 0 attributed secondary records appear in the full archive. Recent official event types: layoff. These figures describe notices, not unique people or completed layoffs. Grouped company names do not establish ownership.

Compare original weekly and monthly official-data reports → · How dates, names and counts are interpreted

26Non-cancelled notices
797Reported workers
0Future effective dates
Coverage is limited to connected sources and imported date ranges. 0 notices have unavailable worker counts. Company groups match normalized names; aliases below preserve exact employer names from filings. Methodology →

State breakdown

StateNoticesReported workersUpcoming events
California267970
California →San Diego County →San Mateo County →Alameda County →Foster City →Santa Clara →Santa Clara County →San Francisco →San Francisco County →Hayward →San Diego →

Reported employer names

Notice history by year

20256 notices · 142 reported workers
20243 notices · 163 reported workers
20238 notices · 181 reported workers
20224 notices · 231 reported workers
20191 notices · 19 reported workers
20184 notices · 61 reported workers

Filings and attributed reports

Company / locationWorkersEffective dateNotice dateType / source
IlluminaSan Diego, CA1Dec 22, 2025Dec 22, 2025layoffSource ↗
IlluminaSan Diego, CA7Dec 8, 2025Dec 11, 2025layoffSource ↗
IlluminaSan Diego, CA3Feb 17, 2026Dec 4, 2025layoffSource ↗
IlluminaSan Diego, CA7Jan 19, 2026Nov 20, 2025layoffSource ↗
IlluminaSan Diego, CA28Jan 5, 2026Nov 6, 2025layoffSource ↗
IlluminaSan Diego, CA96Apr 14, 2025Feb 12, 2025layoffSource ↗
IlluminaSan Diego, CA3Nov 6, 2024Sep 4, 2024layoffSource ↗
IlluminaSan Diego, CA49Oct 1, 2024Jul 31, 2024layoffSource ↗
IlluminaSan Diego, CA111Mar 12, 2024Jan 11, 2024layoffSource ↗
IlluminaSan Mateo, CA1Sep 6, 2023Aug 7, 2023layoffSource ↗
IlluminaSan Mateo, CA14Aug 14, 2023Jul 13, 2023layoffSource ↗
IlluminaSan Diego, CA76Aug 14, 2023Jul 13, 2023layoffSource ↗
IlluminaAlameda, CA3Aug 14, 2023Jul 13, 2023layoffSource ↗
IlluminaSan Mateo, CA71Jul 21, 2023Jun 21, 2023layoffSource ↗
IlluminaSan Diego, CA14Jul 21, 2023Jun 21, 2023layoffSource ↗
IlluminaAlameda, CA1Jul 21, 2023Jun 21, 2023layoffSource ↗
IlluminaSan Diego, CA1Mar 24, 2023Jan 23, 2023layoffSource ↗
IlluminaSan Diego, CA206Jan 13, 2023Nov 14, 2022layoffSource ↗
IlluminaSan Diego, CA1Jan 13, 2023Nov 14, 2022layoffSource ↗
IlluminaAlameda, CA4Jan 13, 2023Nov 14, 2022layoffSource ↗
IlluminaSan Mateo, CA20Jan 13, 2023Nov 14, 2022layoffSource ↗
IlluminaFoster City, CA19Nov 5, 2019Aug 30, 2019layoffSource ↗
IlluminaSanta Clara, CA2Apr 13, 2018Feb 12, 2018layoffSource ↗
IlluminaSan Francisco, CA3Apr 13, 2018Feb 12, 2018layoffSource ↗
IlluminaHayward, CA1Apr 13, 2018Feb 12, 2018layoffSource ↗

26 notices · Source check Oct 8, 2026