Lonza Group (STU:LO3) Interest Expense: €-174 Mil (TTM As of Dec. 2025)


STU:LO3 Lonza Group Ltd STU:LO3
83 GF Score
Price €623.60
GF Value €645.09
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is Lonza Group Interest Expense?

Lonza Group STU:LO3 +1.43% 83 Interest Expense is €-174 Mil as of Dec. 2025. GuruFocus rates STU:LO3 with a GF Score™ of 83/100 and a GF Value™ of €645.09 (Fairly Valued). The stock has 4 warning signs investors should review.

Interest Expense is the amount reported by a company or individual as an expense for borrowed money. Lonza Group's interest expense for the six months ended in Dec. 2025 was € -85 Mil. Its interest expense for the trailing twelve months (TTM) ended in Dec. 2025 was €-174 Mil.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income(EBIT) by its Interest Expense. Lonza Group's Operating Income for the six months ended in Dec. 2025 was € 715 Mil. Lonza Group's Interest Expense for the six months ended in Dec. 2025 was € -85 Mil. Lonza Group's Interest Coverage for the quarter that ended in Dec. 2025 was 8.44. The higher the ratio, the stronger the company's financial strength is. Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Lonza Group  (STU:LO3) Interest Expense Explanation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense. The higher, the better.

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Lonza Group's Interest Expense for the six months ended in Dec. 2025 was €-85 Mil. Its Operating Income for the six months ended in Dec. 2025 was €715 Mil. And its Long-Term Debt & Capital Lease Obligation for the six months ended in Dec. 2025 was €4,498 Mil.

Lonza Group's Interest Coverage for the quarter that ended in Dec. 2025 is calculated as

Interest Coverage=-1* Operating Income (Q: Dec. 2025 )/Interest Expense (Q: Dec. 2025 )
=-1*714.792/-84.661
=8.44

* 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.

The higher the ratio, the stronger the company's financial strength is.

Lonza Group Interest Expense Historical Data

* Premium members only.

The historical data trend for Lonza Group's Interest Expense 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.

Lonza Group Interest Expense Chart

Lonza Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only -73.99 -63.84 -98.61 -149.96 -174.68

Lonza Group Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Interest Expense 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 -56.20 -61.32 -86.76 -89.56 -84.66
STU:LO3
83GF Score
Lonza Group Ltd STU:LO3
Interest Expense is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Lonza Group Interest Expense Calculation

Interest Expense is the amount reported by a company or individual as an expense for borrowed money.

Interest Expense for the trailing twelve months (TTM) ended in Dec. 2025 adds up the semi-annually data reported by the company within the most recent 12 months, which was €-174 Mil.

* 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 Interest Expense →
What does a Interest Expense of €-174 Mil mean?
Lonza Group (STU:LO3) has a Interest Expense of €-174 Mil as of Dec. 2025. Interest Expense is the amount a company pays on its long-term debt. View historical data on Lonza Group and its competitors.
Is Lonza Group's Interest Expense too high?
Lonza Group's current Interest Expense is €-174 Mil. Overall, Lonza Group has a GF Score™ of 83/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Lonza Group's Interest Expense compare to TMO and DHR?
Lonza Group's Interest Expense of €-174 Mil 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 Interest Expense for a Medical Diagnostics & Research company?
A good Interest Expense depends on the Medical Diagnostics & Research industry context. However, Interest Expense 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 Interest Expense mean?
A high Interest Expense can signal that a stock is expensive relative to its fundamentals. Interest Expense is the amount a company pays on its long-term debt. View historical data on Lonza Group and its competitors. Lonza Group's current Interest Expense is €-174 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lonza Group stock overvalued right now?
Based on GuruFocus' analysis, Lonza Group (STU:LO3) is currently considered Fairly Valued. The stock's GF Value™ is €645.09, compared to a current price of €623.60 — trading 3.3% below its estimated fair value. The current Interest Expense is €-174 Mil. Lonza Group's overall GF Score™ is 83/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Expense calculated?
Interest Expense is calculated from a company's financial statements. For Lonza Group (STU:LO3), the current Interest Expense is €-174 Mil 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 Lonza Group (STU:LO3) Overvalued in 2026?

Based on GuruFocus' analysis, Lonza Group stock appears to be undervalued. The current stock price of €623.60 is trading 3.3% below its estimated GF Value™ of €645.09. GuruFocus considers Lonza Group to be Fairly Valued.

Key valuation signals for STU:LO3:

  • Interest Expense: €-174 Mil
  • GF Value™: €645.09 vs. price of €623.60 (3.3% below fair value)
  • GF Score™: 83/100 with 4 warning signs

No single metric tells the full story. See the STU:LO3 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Lonza Group Business Description

Address Muenchensteinerstrasse 38, Basel, CHE, 4002
Lonza Group is a contract development and manufacturing organization. It operates under four segments: small molecules, biologics, cell and gene, and capsules and health ingredients. Lonza derives its revenue primarily from long-term supply agreements with pharmaceutical customers. The company provides development and manufacturing services throughout the entire lifecycle of a product, from drug research to commercial supply. The majority of Lonza's customers are pharmaceutical and biotechnology companies, academic institutions, and government research organizations.
83GF Score

Get the complete analysis for STU:LO3

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

€623.60
Price
€645.09
GF Value