Companies: 10,795·Total market cap: $144.5T
Illumina, Inc.

Illumina, Inc.

ILMNNASDAQHealthcare● Active
$157.49
$-4.83(-2.97%)
Market Cap$23.8B
P/E Ratio—
52W High$172.49
52W Low$81.76
Overview

Illumina, Inc. (ILMN) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · ILMN · as of Feb 12, 2026

Latest filing snapshot

8,600
-370-4.12%vs prior year

Illumina, Inc. (ILMN) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-28·Full-time · Global
Total Employees
8,600
Change (1Y)
-370
Growth % (1Y)
-4.12%
Revenue / Employee
$504.4K
Net Income / Employee
$98.8K
Market Cap
$23.9B

ILMN Employee Count

2000 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-128,600-370-4.12%
2025-02-128,970-280-3.03%
2024-02-169,250-950-9.31%
2023-02-1710,200+1,100+12.09%
2022-02-189,100+1,300+16.67%
2021-02-177,800+100+1.30%
2020-02-117,700+400+5.48%
2019-02-127,300+1,100+17.74%
2018-02-136,200+700+12.73%
2017-02-145,500+900+19.57%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Medical - Diagnostics & Research
#SymbolCompanyEmployees
#1
Labcorp Holdings Inc.
LH
Labcorp Holdings Inc.
60,900#2
Quest Diagnostics Incorporated
DGX
Quest Diagnostics Incorporated
55,000#3
ICON Public Limited Company
ICLR
ICON Public Limited Company
41,250#4
Illumina, Inc.
ILMN
Illumina, Inc.YOU
8,600#5
Hologic, Inc.
HOLX
Hologic, Inc.
7,063#6
Medpace Holdings, Inc.
MEDP
Medpace Holdings, Inc.
5,900#7
Genmab A/S
GMAB
Genmab A/S
2,638
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · ILMN peer comparison

About ILMN employees

ILMN Employees · Headcount

Illumina, Inc. (ILMN) employee data is sourced from the annual SEC 10-K filing. As of 2025, Illumina, Inc. had 8,600 full-time employees globally. Full-time employees only. Global consolidated headcount.

Illumina, Inc. employs 8,600 full-time employees as of the latest filing within the Medical - Diagnostics & Research industry. Revenue per employee stands at $504,419, reflecting the company's operational efficiency.

Illumina, Inc.'s workforce decreased by 370 (4.12%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Illumina, Inc.'s revenue per employee of $504,419 positions it among the notable performers in the Medical - Diagnostics & Research sector for operational efficiency.

RevenueFinancial statementsNet incomeSEC filingsPrice historyForecast & ratingsOwnershipEarnings

Frequently Asked Questions

ILMN Employees · 5 questions

As of the latest SEC 10-K filing (2025), Illumina, Inc. had 8,600 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Illumina, Inc. employee counthow many employees does Illumina, Inc. haveILMN total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-12