Illumina (ILMN) Research & Development (2009 - 2026)

Illumina has reported Research & Development for 18 years, with the latest figure at $240.0 million in Q1 2026.

• For the quarter ending Q1 2026, Research & Development fell 4.76% year-over-year to $240.0 million; the trailing twelve-month figure through Mar 2026 stood at $955.0 million (down 12.06% YoY), and the FY2025 full-year result was $967.0 million, down 17.28% from the prior year.
• Research & Development for Q1 2026 stood at $240.0 million, roughly flat from $239.0 million in the prior quarter.
• The five-year high for Research & Development was $486.0 million in Q1 2023, with the low at $229.0 million in Q3 2025.
• Historically, Research & Development has averaged $305.6 million across 5 years, with a median of $323.0 million in 2022.
• Annual changes were most pronounced in 2022 — Research & Development surged 63.96% — and 2023, when it fell 29.84%.
• Illumina's Research & Development stood at $325.0 million in 2022, then rose by 4.92% to $341.0 million in 2023, then retreated by 24.93% to $256.0 million in 2024, then fell by 6.64% to $239.0 million in 2025, then advanced by 0.42% to $240.0 million in 2026.
• The last three Research & Development figures came in at $240.0 million (Q1 2026), $239.0 million (Q4 2025), and $229.0 million (Q3 2025), per Business Quant data.