Illumina (ILMN) Tax Rate (2009 - 2026)

Illumina has reported Tax Rate for 18 years, with the latest figure at 14.65% in Q1 2026.

• For the quarter ending Q1 2026, Tax Rate fell 1337.0% year-over-year to 14.65%; the trailing twelve-month figure through Mar 2026 stood at 19.53% (up 2832.0% YoY), and the FY2025 full-year result was 21.73%, up 2546.0% from the prior year.
• Tax Rate for Q1 2026 stood at 14.65%, up from 11.41% in the prior quarter.
• The five-year high for Tax Rate was 103.85% in Q2 2023, with the low at 162.92% in Q3 2023.
• Historically, Tax Rate has averaged 5.43% across 5 years, with a median of 7.49% in 2023.
• Annual changes were most pronounced in 2023 — Tax Rate slumped 17893 bps — and 2024, when it jumped 16231 bps.
• Illumina's Tax Rate stood at 3.92% in 2022, then decreased by 22 bps to 4.79% in 2023, then jumped by 143 bps to 2.08% in 2024, then surged by 447 bps to 11.41% in 2025, then increased by 28 bps to 14.65% in 2026.
• The last three Tax Rate figures came in at 14.65% (Q1 2026), 11.41% (Q4 2025), and 31.82% (Q3 2025), per Business Quant data.