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Home/Companies/Biotech/Illumina
I
United States
Biotech

Illumina layoffs, tracked in full.

Illumina has cut 762 jobs across 4 tracked rounds since 2020. The most recent round was announced Feb 1, 2024, affecting 111 employees.

Last verified Feb 1, 2024|See methodology
At a glance
762
people laid off since 2020
Rounds
4
tracked
Industry share
15.8%
of Biotech cuts
Largest round
500
Nov 14, 2022
Most recent
Feb 1, 2024
111 cut
Total since 2020
All time
762
Across 4 rounds
Most recent round
Feb 1, 2024
111
Illumina Layoffs — 2024-02-01
Layoff rounds
Tracked
4
Nov 14, 2022 — Feb 1, 2024
Industry share
Cumulative
15.8%
of all Biotech cuts
Complete timeline · 4 verified rounds

Every Illumina layoff, documented.

Date
Event
Headcount
Location
Severity
Source
Feb 12024
Illumina Layoffs — 2024-02-01
111
San Diego
US
Low
sandiegouniontribune.com ↗
Aug 172023
Illumina Layoffs — 2023-08-17
151
San Diego
US
Low
sandiegouniontribune.com ↗
Jun 212023
Illumina Layoffs — 2023-06-21
—
San Diego
US
Low
sec.gov ↗
Nov 142022
Illumina Layoffs — 2022-11-14
500
5.0% of total
San Diego
US
Moderate
genomeweb.com ↗
By geography

Where the cuts landed, city by city.

  1. #01
    San Diego
    4 ROUNDS · US
    762
Country breakdown
100% of cuts in United States
United States
762
Frequently asked

Questions about Illumina layoffs.

How many people has Illumina laid off since 2020?+
Our dataset tracks 762 job cuts across 4 layoff rounds at Illumina since January 2020. All rounds are cross-referenced against WARN Act filings, SEC disclosures, and verified news reports.
When were Illumina's most recent layoffs?+
Illumina's most recent tracked layoffs were announced on February 1, 2024. Scroll up to the timeline for the full round-by-round history.
What percentage of Illumina's workforce has been laid off?+
An exact workforce percentage isn't available for Illumina — we don't have a confirmed peak headcount figure. The total cut figure above reflects all verified rounds in our dataset.
Which teams were affected by Illumina layoffs?+
Team-level data for Illumina is limited in our current dataset. Where available, division breakdowns are shown above.
Where does Illumina layoff data come from?+
Our data combines WARN Act government filings (mandatory for US employers cutting 50+ workers with 60-day notice), SEC 8-K corporate disclosures, and verified news reports. Each event is assigned a verification tier. See our methodology for full standards.
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