Filing Flows › Illumina (ILMN) › Q3 2025
Illumina (ILMN) Q3 2025 earnings results (third quarter 2025)
10-Q filed Oct 31, 2025
Illumina (ILMN) reported revenue of $1.1B for the third quarter 2025 (Q3 2025), +0.4% from a year earlier and +2% from the quarter before. Operating margin was 20.9%, net earnings $150M (13.8% of revenue).
Illumina, Q3 2025: revenue $1.1B (+0.4% year over year), operating margin 20.9%, net earnings $150M, operating cash flow $284M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.1B | +2% | +0.4% |
| Gross profit | $733M | +5% | -2% |
| Operating profit | $227M | +6% | -69% |
| Net earnings | $150M | -36% | -79% |
| Operating cash flow | $284M | +21% | -10% |
| Free cash flow | $253M | — | -11% |
What changed
Revenue was $1.1B in Q3 2025, roughly flat year over year and up 2% from the previous quarter. Consumables was the largest line at 75% of revenue. Consumables added $0.01B year over year (up 1%), 225% of the total change. Service declined 5%.
Gross margin was 67.6%, down 1.4 points from a year earlier. Operating profit was $0.23B, a 20.9% margin (down 47.7 points year over year). Operating profit fell $0.51B even though revenue rose $4.0M versus a year earlier, so costs grew faster than sales. Operating expenses grew 12550% against flat revenue. Net earnings were $0.15B, down 79% year over year. The effective tax rate was 31.8%.
Operating cash flow was $0.28B (down 10% year over year), 189% of net earnings. Non-cash charges added back $0.07B of depreciation and amortization and $0.07B of share-based compensation. After purchases of property and equipment ($0.03B), free cash flow as the company reports it was $0.25B.
Questions
What was Illumina's revenue in the third quarter 2025?
Illumina (ILMN) reported revenue of $1.1B for the third quarter 2025 (Q3 2025), +0.4% from a year earlier and +2% from the quarter before.
Was Illumina profitable in the third quarter 2025?
Operating profit was $227M (20.9% of revenue) and net earnings $150M.
Source: Illumina 10-Q on SEC EDGAR.