As of January 2023, Illumina reported having approximately 10,200 full-time employees, 60 part-time employees, and 1,400 contingent workers. Over the past year, the company reduced its workforce by about 12%, bringing the total number of employees to around 9,300 at the start of 2024
https://www.medtechdive.com/news/illumina-Q4-cut-global-staff-past-year-ceo/707111/