BioMerieux (FRA:EYWN) Tax Rate %: 24.38% (As of Dec. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

FRA:EYWN BioMerieux SA FRA:EYWN
84 GF Score
Price €69.15
GF Value €111.64
Valuation Significantly Undervalued
! 3 Warning Signs
View Full Analysis

What is BioMerieux Tax Rate %?

BioMerieux FRA:EYWN -2.33% 84 Tax Rate % is 24.38% as of Dec. 2025. GuruFocus rates FRA:EYWN with a GF Score™ of 84/100 and a GF Value™ of €111.64 (Significantly Undervalued). The stock has 3 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. BioMerieux's Tax Expense for the six months ended in Dec. 2025 was €76 Mil. BioMerieux's Pre-Tax Income for the six months ended in Dec. 2025 was €313 Mil. Therefore, BioMerieux's Tax Rate % for the quarter that ended in Dec. 2025 was 24.38%.

BioMerieux Tax Rate % Related Terms

BioMerieux Tax Rate % Historical Data

* Premium members only.

The historical data trend for BioMerieux'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.

BioMerieux Tax Rate % Chart

BioMerieux 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 22.67 24.13 26.17 26.64 24.50

BioMerieux Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 19.61 24.16 29.01 24.67 24.38
FRA:EYWN
84GF Score
BioMerieux SA FRA:EYWN
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

BioMerieux Tax Rate % Calculation

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

BioMerieux'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 )
=128.8/525.7
=24.50 %

BioMerieux's Tax Rate % for the quarter that ended in Dec. 2025 is calculated as

Tax Rate %=Tax Expense (Q: Dec. 2025 )/Pre-Tax Income (Q: Dec. 2025 )
=76.2/312.5
=24.38 %

* 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 24.38% mean?
BioMerieux (FRA:EYWN) has a Tax Rate % of 24.38% as of Dec. 2025.
Is BioMerieux's Tax Rate % too high?
BioMerieux's current Tax Rate % is 24.38%. Overall, BioMerieux has a GF Score™ of 84/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does BioMerieux's Tax Rate % compare to TMO and DHR?
BioMerieux's Tax Rate % of 24.38% 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. BioMerieux's current Tax Rate % is 24.38%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BioMerieux stock overvalued right now?
Based on GuruFocus' analysis, BioMerieux (FRA:EYWN) is currently considered Significantly Undervalued. The stock's GF Value™ is €111.64, compared to a current price of €69.15 — trading 38.1% below its estimated fair value. The current Tax Rate % is 24.38%. BioMerieux's overall GF Score™ is 84/100 with 3 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 BioMerieux (FRA:EYWN), the current Tax Rate % is 24.38% as of Dec. 2025. 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 BioMerieux (FRA:EYWN) Overvalued in 2026?

Based on GuruFocus' analysis, BioMerieux stock appears to be undervalued. The current stock price of €69.15 is trading 38.1% below its estimated GF Value™ of €111.64. GuruFocus considers BioMerieux to be Significantly Undervalued.

Key valuation signals for FRA:EYWN:

  • Tax Rate %: 24.38%
  • GF Value™: €111.64 vs. price of €69.15 (38.1% below fair value)
  • GF Score™: 84/100 with 3 warning signs

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

BioMerieux Business Description

Address Marcy l’Etoile, Lyon, FRA, 69280
BioMérieux designs, develops, and manufactures a broad portfolio of in vitro diagnostics for detecting disease-causing pathogens and contamination. The company operates in four segments: molecular biology (42% of 2024 sales), microbiology (33%), immunoassays (10%), and industrial applications (about 15%). The Americas account for the largest portion of the firm's revenue (40%), followed by Asia-Pacific (27%) and Europe, the Middle East, and Africa (27%). BioMérieux is headquartered in Marcy-l'Étoile, France.
84GF Score

Get the complete analysis for FRA:EYWN

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

€69.15
Price
€111.64
GF Value