Illumina (XSWX:ILMN) Tax Rate %: 14.65% (As of Mar. 2026)


XSWX:ILMN Illumina Inc XSWX:ILMN
76 GF Score
Price CHF143.95
GF Value CHF105.51
! 7 Warning Signs
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What is Illumina Tax Rate %?

Illumina XSWX:ILMN -0.79% 76 Tax Rate % is 14.65% as of Mar. 2026. GuruFocus rates XSWX:ILMN with a GF Score™ of 76/100 and a GF Value™ of CHF105.51. The stock has 7 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. Illumina's Tax Expense for the three months ended in Mar. 2026 was CHF18 Mil. Illumina's Pre-Tax Income for the three months ended in Mar. 2026 was CHF124 Mil. Therefore, Illumina's Tax Rate % for the quarter that ended in Mar. 2026 was 14.65%.

Illumina Tax Rate % Related Terms

Illumina Tax Rate % Historical Data

* Premium members only.

The historical data trend for Illumina's Tax Rate % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Illumina Tax Rate % Chart

Illumina Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Tax Rate %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 13.80 -1.57 -3.94 -3.73 21.73

Illumina Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Tax Rate % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 28.02 23.20 31.82 11.41 14.65
XSWX:ILMN
76GF Score
Illumina Inc XSWX:ILMN
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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Illumina Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

Illumina's Tax Rate % for the fiscal year that ended in Dec. 2025 is calculated as

Tax Rate %=Tax Expense (A: Dec. 2025 )/Pre-Tax Income (A: Dec. 2025 )
=188.068/865.433
=21.73 %

Illumina's Tax Rate % for the quarter that ended in Mar. 2026 is calculated as

Tax Rate %=Tax Expense (Q: Mar. 2026 )/Pre-Tax Income (Q: Mar. 2026 )
=18.108/123.606
=14.65 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Tax Rate % →
What does a Tax Rate % of 14.65% mean?
Illumina (XSWX:ILMN) has a Tax Rate % of 14.65% as of Mar. 2026.
Is Illumina's Tax Rate % too high?
Illumina's current Tax Rate % is 14.65%. Overall, Illumina has a GF Score™ of 76/100, reflecting its overall financial health beyond just this single metric.
How does Illumina's Tax Rate % compare to MTD and DGX?
Illumina's Tax Rate % of 14.65% can be compared against companies in the Medical Diagnostics & Research industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for a Medical Diagnostics & Research company?
A good Tax Rate % depends on the Medical Diagnostics & Research industry context. However, Tax Rate % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. Illumina's current Tax Rate % is 14.65%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Illumina stock overvalued right now?
Illumina (XSWX:ILMN) has a current Tax Rate % of 14.65%. The stock's GF Value™ is CHF105.51, compared to a current price of CHF143.95 — trading 36.4% above its estimated fair value. The current Tax Rate % is 14.65%. Illumina's overall GF Score™ is 76/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For Illumina (XSWX:ILMN), the current Tax Rate % is 14.65% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Illumina (XSWX:ILMN) Overvalued in 2026?

Based on GuruFocus' analysis, Illumina stock appears to be overvalued. The current stock price of CHF143.95 is trading 36.4% above its estimated GF Value™ of CHF105.51.

Key valuation signals for XSWX:ILMN:

  • Tax Rate %: 14.65%
  • GF Value™: CHF105.51 vs. price of CHF143.95 (36.4% above fair value)
  • GF Score™: 76/100 with 7 warning signs

No single metric tells the full story. See the XSWX:ILMN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Illumina Business Description

Address 5200 Illumina Way, San Diego, CA, USA, 92122
Illumina provides tools and services to analyze genetic material with life science and clinical lab applications. The company generates over 90% of its revenue from sequencing instruments, consumables, and services. Illumina's high-throughput technology enables whole genome sequencing in humans and other large organisms. Its lower throughput tools enable applications that require smaller data outputs, such as viral and cancer tumor screening. Illumina also sells microarrays (9% of 2024 sales) that enable lower-cost, focused genetic screening with primarily consumer and agricultural applications.
76GF Score

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Tax Rate % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

CHF143.95
Price
CHF105.51
GF Value