Illumina, Inc.

ILMNNASDAQHealthcare● Active

$158.30

$-4.02(-2.48%)

Market Cap$24.0B

P/E Ratio—

52W High$172.49

52W Low$81.76

Avg Volume1.6M

Open$162.39

Beta1.49

Employees Ownership Insider Trades

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

$24.2B

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 Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-02-12	2025-12-28	8,600	-370	-4.12%
2025-02-12	2024-12-29	8,970	-280	-3.03%
2024-02-16	2023-12-31	9,250	-950	-9.31%
2023-02-17	2023-01-01	10,200	+1,100	+12.09%
2022-02-18	2022-01-02	9,100	+1,300	+16.67%
2021-02-17	2021-01-03	7,800	+100	+1.30%
2020-02-11	2019-12-29	7,700	+400	+5.48%
2019-02-12	2018-12-30	7,300	+1,100	+17.74%
2018-02-13	2017-12-31	6,200	+700	+12.73%
2017-02-14	2017-01-01	5,500	+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

#SymbolCompanyEmployeesMkt Cap

Labcorp Holdings Inc.

60,900$21.7B #2

DGX

Quest Diagnostics Incorporated

55,000$22.2B #3

ICLR

ICON Public Limited Company

Medpace Holdings, Inc.

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.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

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