Illumina (ILMN) Tax Rate (2009 - 2026)

Illumina (ILMN) posted quarterly Tax Rate of 20.38% for Q2 2026, down 282.0% year-over-year from 11.2% in Q2 2025, and up 39.15% on a QoQ basis from 14.65% in Q1 2026.

Illumina (ILMN) Tax Rate (2009 - 2026) Analysis & Trends

Illumina has reported Tax Rate for 18 years, with the latest figure at 20.38% in Q2 2026.

  • Tax Rate for Q2 2026 came in at 20.38%, down 282.0% year-over-year; the trailing twelve-month figure through Jun 2026 was 18.64% (up 882.0% YoY), and the FY2025 annual result was 21.73%, up 2546.0% from the prior year.
  • Tax Rate climbed to 20.38% in Q2 2026, from 14.65% in the prior quarter.
  • Over five years, Tax Rate peaked at 103.85% in Q2 2023 and troughed at 162.92% in Q3 2023.
  • A 5-year average of 6.31% and a median of 11.41% in 2025 frame the typical range for Tax Rate.
  • The widest annual swing landed in 2023, when Tax Rate sank 17893 bps; it then jumped 16231 bps in 2024.
  • A 5-year view of Tax Rate shows it 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 jumped by 79 bps to 20.38% in 2026.
  • Per Business Quant data, the three most recent Tax Rate figures were 20.38% in Q2 2026, 14.65% in Q1 2026, and 11.41% in Q4 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Thermo Fisher Scientific 213.86 Bn 209.80 Bn 8.34 Bn 8.68%
2 Danaher 140.41 Bn 136.07 Bn 3.61 Bn 19.29%
3 Idexx Laboratories 46.33 Bn 46.13 Bn 779.09 Mn 18.89%
4 Agilent Technologies 39.71 Bn 37.90 Bn 990.00 Mn 16.91%
5 Iqvia Holdings 39.35 Bn 37.27 Bn 1.44 Bn 19.93%
6 Natera 38.97 Bn 37.87 Bn 696.04 Mn -0.35%
7 Illumina 30.09 Bn 28.92 Bn 770.00 Mn 20.38%
8 Mettler Toledo International 28.70 Bn 28.65 Bn 650.22 Mn 19.52%
9 Quest Diagnostics 26.19 Bn 25.56 Bn 1.03 Bn 21.36%
10 Labcorp Holdings 25.89 Bn 24.91 Bn 1.01 Bn 13.04%

Historic Data

Download Data
DateValue
Jun 28, 2026 20.38%
Jun 28, 2026 20.38%
Jun 28, 2026 20.38%
Mar 29, 2026 14.65%
Mar 29, 2026 14.65%
Mar 29, 2026 14.65%
Dec 28, 2025 11.41%
Dec 28, 2025 11.41%
Dec 28, 2025 11.41%
Sep 28, 2025 31.82%
Sep 28, 2025 31.82%
Sep 28, 2025 31.82%
Jun 29, 2025 23.20%
Jun 29, 2025 23.20%
Jun 29, 2025 23.20%
Mar 30, 2025 28.02%
Mar 30, 2025 28.02%
Mar 30, 2025 28.02%
Sep 29, 2024 2.08%
Sep 29, 2024 2.08%