Illumina (ILMN) Tax Rate (2009 - 2026)

Illumina (ILMN) posted Tax Rate of 14.65% for Q1 2026, up 28.44% quarter-over-quarter from 11.41% in Q4 2025, and down 1337.0% year-on-year from 1.18% in Q1 2025.

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

Illumina (ILMN) has reported Tax Rate for 18 consecutive years, with 14.65% the latest figure, recorded in Q1 2026.

  • Tax Rate for Q1 2026 came in at 14.65%, down 1337.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 19.53% (up 2832.0% YoY), and the FY2025 annual result was 21.73%, up 2546.0% from the prior year.
  • Tax Rate was 14.65% for Q1 2026 at Illumina, up from 11.41% in the prior quarter.
  • Over five years, Tax Rate peaked at 103.85% in Q2 2023 and troughed at 162.92% in Q3 2023.
  • Average Tax Rate over 5 years is 5.43%, with a median of 7.49% recorded in 2023.
  • Year-over-year, Tax Rate plunged 17893 bps in 2023 and soared 16231 bps in 2024.
  • Over 5 years, Tax Rate stood at 3.92% in 2022, then declined 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 advanced by 28 bps to 14.65% in 2026.
  • Per Business Quant data, the three most recent Tax Rate figures were 14.65% in Q1 2026, 11.41% in Q4 2025, and 31.82% in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Waters 31,055.11 Bn 31,054.65 Bn 1.11 Bn 18.18%
2 Thermo Fisher Scientific 191.02 Bn 187.77 Bn 7.74 Bn 4.04%
3 Danaher 137.16 Bn 131.47 Bn 3.59 Bn 16.68%
4 Idexx Laboratories 42.82 Bn 42.62 Bn 722.74 Mn 21.66%
5 Natera 39.09 Bn 37.99 Bn 696.04 Mn -0.35%
6 Agilent Technologies 37.61 Bn 35.81 Bn 990.00 Mn 16.91%
7 Iqvia Holdings 34.23 Bn 32.25 Bn 1.36 Bn 17.99%
8 Illumina 28.14 Bn 26.98 Bn 721.00 Mn 14.65%
9 Mettler Toledo International 26.40 Bn 26.33 Bn 555.82 Mn 19.17%
10 Quest Diagnostics 23.76 Bn 23.67 Bn 942.00 Mn 22.16%

Historic Data

Download Data
DateValue
Mar 29, 2026 14.65%
Mar 29, 2026 14.65%
Dec 28, 2025 11.41%
Dec 28, 2025 11.41%
Sep 28, 2025 31.82%
Sep 28, 2025 31.82%
Jun 29, 2025 23.20%
Jun 29, 2025 23.20%
Mar 30, 2025 28.02%
Mar 30, 2025 28.02%
Sep 29, 2024 2.08%
Sep 29, 2024 2.08%
Jun 30, 2024 -0.61%
Jun 30, 2024 -0.61%
Mar 31, 2024 -15.60%
Mar 31, 2024 -15.60%
Dec 31, 2023 -4.79%
Dec 31, 2023 -4.79%
Oct 1, 2023 3.58%
Oct 1, 2023 3.58%