Illumina (ILMN) Operating Margin (2009 - 2026)

Illumina has reported Operating Margin for 18 years, with the latest figure at 19.16% in Q1 2026.

• For the quarter ending Q1 2026, Operating Margin rose 340.0% year-over-year to 19.16%; the trailing twelve-month figure through Mar 2026 stood at 19.37% (up 3221.0% YoY), and the FY2025 full-year result was 18.58%, up 3763.0% from the prior year.
• Operating Margin for Q1 2026 stood at 19.16%, up from 17.34% in the prior quarter.
• The five-year high for Operating Margin was 68.61% in Q3 2024, with the low at 327.98% in Q4 2022.
• Historically, Operating Margin has averaged 44.54% across 5 years, with a median of 5.89% in 2023.
• Annual changes were most pronounced in 2022 — Operating Margin plunged 27879 bps — and 2023, when it jumped 30479 bps.
• Illumina's Operating Margin stood at 327.98% in 2022, then jumped by 96 bps to 14.62% in 2023, then soared by 208 bps to 15.85% in 2024, then climbed by 9 bps to 17.34% in 2025, then rose by 10 bps to 19.16% in 2026.
• The last three Operating Margin figures came in at 19.16% (Q1 2026), 17.34% (Q4 2025), and 20.94% (Q3 2025), per Business Quant data.