Airthings ASA (STU:64J) Debt-to-Equity: 0.26 (As of Sep. 2025) — 225% Above Median

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STU:64J Airthings ASA STU:64J
61 GF Score
Price €0.00
GF Value €0.08
! 6 Warning Signs
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What is Airthings ASA Debt-to-Equity?

Airthings ASA STU:64J 61 Debt-to-Equity is 0.26 as of Sep. 2025, which is 225% above its 10-year median of 0.08. GuruFocus rates STU:64J with a GF Score™ of 61/100 and a GF Value™ of €0.08. The stock has 6 warning signs investors should review.

Airthings ASA's Short-Term Debt & Capital Lease Obligation for the quarter that ended in Sep. 2025 was €2.40 Mil. Airthings ASA's Long-Term Debt & Capital Lease Obligation for the quarter that ended in Sep. 2025 was €1.55 Mil. Airthings ASA's Total Stockholders Equity for the quarter that ended in Sep. 2025 was €15.16 Mil. Airthings ASA's debt to equity for the quarter that ended in Sep. 2025 was 0.26.

A high debt to equity ratio generally means that a company has been aggressive in financing its growth with debt. This can result in volatile earnings as a result of the additional interest expense.

The historical rank and industry rank for Airthings ASA's Debt-to-Equity or its related term are showing as below:

STU:64J' s Debt-to-Equity Range Over the Past 10 Years
Min: 0.04   Med: 0.08   Max: 0.45
Current: 0.26

During the past 8 years, the highest Debt-to-Equity Ratio of Airthings ASA was 0.45. The lowest was 0.04. And the median was 0.08.

STU:64J's Debt-to-Equity is not ranked
in the Industrial Products industry.
Industry Median: 0.3 vs STU:64J: 0.26

Airthings ASA  (STU:64J) Debt-to-Equity Explanation

In the calculation of Debt to Equity, we use the total of Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation divided by Total Stockholders Equity. In some calculations, Total Liabilities is used to for calculation.


Be Aware

Because a company can increase its ROE % by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE % companies.


Airthings ASA Debt-to-Equity Related Terms


Airthings ASA Debt-to-Equity Historical Data

* Premium members only.

The historical data trend for Airthings ASA's Debt-to-Equity 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.

Airthings ASA Debt-to-Equity Chart

Airthings ASA Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
Debt-to-Equity
Get a 7-Day Free Trial 0.07 0.07 0.07 0.08 0.11

Airthings ASA Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25
Debt-to-Equity 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 0.08 0.11 0.12 0.12 0.26

STU:64J vs VRT, BE: Debt-to-Equity Comparison

For the Electrical Equipment & Parts subindustry, Airthings ASA's Debt-to-Equity, along with its competitors' market caps and Debt-to-Equity data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Airthings ASA Debt-to-Equity vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Airthings ASA's Debt-to-Equity distribution charts can be found below:

* The bar in red indicates where Airthings ASA's Debt-to-Equity falls into.


STU:64J
61GF Score
Airthings ASA STU:64J
Debt-to-Equity is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Airthings ASA Debt-to-Equity Calculation

Debt to Equity measures the financial leverage a company has.

Airthings ASA's Debt to Equity Ratio for the fiscal year that ended in Dec. 2024 is calculated as

Airthings ASA's Debt to Equity Ratio for the quarter that ended in Sep. 2025 is calculated as

* 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 Debt-to-Equity →
What does a Debt-to-Equity of 0.26 mean?
Airthings ASA (STU:64J) has a Debt-to-Equity of 0.26 as of Sep. 2025. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Airthings ASA and its competitors. This is 225% above median its historical median of 0.08. Over the past decade, Airthings ASA's Debt-to-Equity has ranged from 0.04 to 0.45.
Is Airthings ASA's Debt-to-Equity too high?
Airthings ASA's current Debt-to-Equity of 0.26 is 225% above median its 10-year median of 0.08. Over the past 10 years, this metric has ranged from a low of 0.04 to a high of 0.45. The Industrial Products industry median Debt-to-Equity is 0.30. Airthings ASA's value of 0.26 is 13.3% below this industry median. Overall, Airthings ASA has a GF Score™ of 61/100, reflecting its overall financial health beyond just this single metric.
How does Airthings ASA's Debt-to-Equity compare to VRT and BE?
Airthings ASA's Debt-to-Equity of 0.26 can be compared against companies in the Industrial Products industry. The industry median Debt-to-Equity is 0.30. Airthings ASA's value of 0.26 is 13.3% below this benchmark. Historically, Airthings ASA's own Debt-to-Equity has ranged from 0.04 to 0.45 over the past decade. While the company's 10-year median is 0.08 vs. the industry median of 0.30, Airthings ASA has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-Equity for an Industrial Products company?
The median Debt-to-Equity among Industrial Products companies is 0.30, based on 2,683 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-Equity significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-Equity should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Airthings ASA's current Debt-to-Equity of 0.26 is 13.3% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-Equity mean?
A high Debt-to-Equity can signal that a stock is expensive relative to its fundamentals. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Airthings ASA and its competitors. For the Industrial Products industry, the median Debt-to-Equity is 0.30 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Airthings ASA's current Debt-to-Equity is 0.26, which is 225% above median its own 10-year median of 0.08. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Airthings ASA stock overvalued right now?
Airthings ASA (STU:64J) has a current Debt-to-Equity of 0.26. The stock's GF Value™ is €0.08, compared to a current price of €0.00 — trading 95.5% below its estimated fair value. The current Debt-to-Equity is 0.26, which is 225% above median its 10-year median of 0.08 and 13.3% below the Industrial Products industry median of 0.30. Airthings ASA's overall GF Score™ is 61/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Equity calculated?
Debt-to-Equity is calculated from a company's financial statements. For Airthings ASA (STU:64J), the current Debt-to-Equity is 0.26 as of Sep. 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 Airthings ASA (STU:64J) Overvalued in 2026?

Based on GuruFocus' analysis, Airthings ASA stock appears to be undervalued. The current stock price of €0.00 is trading 95.5% below its estimated GF Value™ of €0.08.

Key valuation signals for STU:64J:

  • Debt-to-Equity: 0.26 (225% above median its 10-year median of 0.08)
  • GF Value™: €0.08 vs. price of €0.00 (95.5% below fair value)
  • GF Score™: 61/100 with 6 warning signs
  • Industry Position: 13.3% below the Industrial Products median

No single metric tells the full story. See the STU:64J stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Airthings ASA Business Description

Address Wergelandsveien 7, Oslo, NOR, 0167
Airthings ASA is a hardware-enabled software company that develops products and systems for monitoring indoor air quality, radon, and energy efficiency. The company's solutions resolve issues related to air quality and air containment and enable a reduced CO2 footprint by optimizing energy consumption for buildings. It is engaged in three business segments, which include Airthings for Consumer (Consumer), Airthings for Business (AfB), and Airthings for Professionals (Pro). The majority of the revenue comes from the Airthings for Consumer segment, which offers air quality monitors and air purifiers with software solutions to enable consumers to create and maintain a healthy home environment.
61GF Score

Get the complete analysis for STU:64J

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

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