Company data
Illumina, Inc. employees and revenue per employee
ILMN · Medical - Diagnostics & Research · $41.3B market cap
Illumina, Inc. had 8,600 employees at the end of fiscal Dec 2025, down 4.1% from a year earlier. Revenue for the year was $4.34B, down 0.8% from a year earlier, or $504K per employee. Revenue fell, and headcount fell or held flat with it.
Employees
8,600
-4.1% YoY
Revenue
$4.34B
-0.8% YoY
Revenue / employee
$504K
Peer median $380K
Rank in industry
2 of 18
Medical - Diagnostics & Research
Headcount against revenue
Both lines start at 100 in the first year we hold, so you can see which one grew faster.
Hover a year for the numbers.
| Year ending | Employees | Revenue | Per employee | Staff YoY | Revenue YoY |
|---|---|---|---|---|---|
| Dec 2025 | 8,600 | $4.34B | $504K | -4.1% | -0.8% |
| Dec 2024 | 8,970 | $4.37B | $487K | -3.0% | -2.9% |
| Dec 2023 | 9,250 | $4.50B | $487K | -9.3% | -1.7% |
| Jan 2023 | 10,200 | $4.58B | $449K | +12.1% | +1.3% |
| Jan 2022 | 9,100 | $4.53B | $497K | +16.7% | +39.7% |
| Jan 2021 | 7,800 | $3.24B | $415K | +1.3% | -8.6% |
| Dec 2019 | 7,700 | $3.54B | $460K | +5.5% | +6.3% |
| Dec 2018 | 7,300 | $3.33B | $457K | +17.7% | +21.1% |
| Dec 2017 | 6,200 | $2.75B | $444K | +12.7% | +14.7% |
| Jan 2017 | 5,500 | $2.40B | $436K | — | — |
Open roles: we have not matched a verified job board for this company yet.
Illumina, Inc. against similar companies
The closest industry peers by revenue, from Medical - Diagnostics & Research.
| Company | Employees | Revenue | Revenue / employee | Shape |
|---|---|---|---|---|
| ILMN Illumina, Inc. | 8,600 | $4.34B | $504K | Contracting |
| MEDP Medpace Holdings, Inc. | 6,200 | $2.53B | $408K | Efficient growth |
| WAT Waters Corporation | 7,900 | $3.17B | $401K | Efficient growth |
| IDXX IDEXX Laboratories, Inc. | 11,000 | $4.30B | $391K | Leaner |
| A Agilent Technologies, Inc. | 18,100 | $6.95B | $384K | Efficient growth |
| NTRA Natera, Inc. | 6,135 | $2.31B | $376K | Hiring ahead |
| RVTY Revvity, Inc. | 11,000 | $2.86B | $260K | Leaner |
| MTD Mettler-Toledo International Inc. | 16,600 | $4.03B | $243K | Leaner |
| CRL Charles River Laboratories International, Inc. | 19,700 | $4.02B | $204K | Contracting |
Questions about Illumina, Inc.
- How many employees does Illumina, Inc. have?
- Illumina, Inc. reported 8,600 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 12, 2026. That is down 4.1% from a year earlier.
- What is Illumina, Inc.'s revenue per employee?
- Illumina, Inc. brought in $4.34B of revenue in fiscal Dec 2025, which is $504K per employee. That ranks 2 of 18 companies we track in Medical - Diagnostics & Research, where the median is $380K.
- Where do these numbers come from?
- Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.
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Source: employee counts and revenue as stated in Illumina, Inc.'s annual reports (Form 10-K), latest filed February 12, 2026. This is data, not a recommendation to buy or sell ILMN.