LightAir AB (NGM:LAIR) Book Value per Share: kr0.49 (As of Dec. 2025)

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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.
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Charlie Tian
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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.

NGM:LAIR LightAir AB NGM:LAIR
31 GF Score
Price kr0.72
GF Value kr0.28
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is LightAir AB Book Value per Share?

LightAir AB NGM:LAIR +1.41% 31 Book Value per Share is kr0.49 as of Dec. 2025. GuruFocus rates NGM:LAIR with a GF Score™ of 31/100 and a GF Value™ of kr0.28 (Significantly Overvalued). The stock has 3 warning signs investors should review.

LightAir AB's book value per share for the quarter that ended in Dec. 2025 was kr0.49.

During the past 12 months, LightAir AB's average Book Value Per Share Growth Rate was -59.70% per year. During the past 3 years, the average Book Value Per Share Growth Rate was -69.10% per year. During the past 5 years, the average Book Value Per Share Growth Rate was -63.30% per year. During the past 10 years, the average Book Value Per Share Growth Rate was -41.40% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the book value growth rate using book value per share data.

During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of LightAir AB was 36.90% per year. The lowest was -69.10% per year. And the median was -37.50% per year.

LightAir AB's current price is kr0.72. Its book value per share for the quarter that ended in Dec. 2025 was kr0.49. Hence, today's PB Ratio of LightAir AB is 1.47.

During the past 13 years, the highest P/B Ratio of LightAir AB was 7.09. The lowest was 0.20. And the median was 1.39.


LightAir AB  (NGM:LAIR) Book Value per Share Explanation

Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.

For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.


LightAir AB Book Value per Share Related Terms


LightAir AB Book Value per Share Historical Data

* Premium members only.

The historical data trend for LightAir AB's Book Value per Share 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.

LightAir AB Book Value per Share Chart

LightAir AB Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Book Value per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 35.19 16.54 7.15 1.22 0.49

LightAir AB Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Book Value per Share 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 7.15 3.56 1.22 0.60 0.49

NGM:LAIR vs VLTO, ZWS, CECO: Book Value per Share Comparison

For the Pollution & Treatment Controls subindustry, LightAir AB's PB Ratio, along with its competitors' market caps and PB Ratio 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.


LightAir AB PB Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, LightAir AB's PB Ratio distribution charts can be found below:

* The bar in red indicates where LightAir AB's PB Ratio falls into.


NGM:LAIR
31GF Score
LightAir AB NGM:LAIR
Book Value per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

LightAir AB Book Value per Share Calculation

LightAir AB's Book Value Per Share for the fiscal year that ended in Dec. 2025 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(18.85-0.00)/38.43
=0.49

LightAir AB's Book Value Per Share for the quarter that ended in Dec. 2025 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(18.85-0.00)/38.43
=0.49

* 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.

Theoretically it is what the shareholders will receive if the company is liquidated. Total Stockholders Equity is a balance sheet item and equal to Total Assets less Total Liabilities of the company.

Book value may include intangible items which may come from the company's past acquisitions. Book value less intangibles is called Tangible Book.

Frequently Asked Questions Learn more about Book Value per Share →
What does a Book Value per Share of kr0.49 mean?
LightAir AB (NGM:LAIR) has a Book Value per Share of kr0.49 as of Dec. 2025. Book value per share gives the per-share value of a company's stockholder equity. View historical data on LightAir AB and its competitors.
Is LightAir AB's Book Value per Share too high?
LightAir AB's current Book Value per Share is kr0.49. Overall, LightAir AB has a GF Score™ of 31/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does LightAir AB's Book Value per Share compare to VLTO and ZWS?
LightAir AB's Book Value per Share of kr0.49 can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for an Industrial Products company?
A good Book Value per Share depends on the Industrial Products industry context. However, Book Value per Share 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 Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on LightAir AB and its competitors. LightAir AB's current Book Value per Share is kr0.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is LightAir AB stock overvalued right now?
Based on GuruFocus' analysis, LightAir AB (NGM:LAIR) is currently considered Significantly Overvalued. The stock's GF Value™ is kr0.28, compared to a current price of kr0.72 — trading 157.1% above its estimated fair value. The current Book Value per Share is kr0.49. LightAir AB's overall GF Score™ is 31/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For LightAir AB (NGM:LAIR), the current Book Value per Share is kr0.49 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 LightAir AB (NGM:LAIR) Overvalued in 2026?

Based on GuruFocus' analysis, LightAir AB stock appears to be overvalued. The current stock price of kr0.72 is trading 157.1% above its estimated GF Value™ of kr0.28. GuruFocus considers LightAir AB to be Significantly Overvalued.

Key valuation signals for NGM:LAIR:

  • Book Value per Share: kr0.49
  • GF Value™: kr0.28 vs. price of kr0.72 (157.1% above fair value)
  • GF Score™: 31/100 with 3 warning signs

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


LightAir AB Business Description

Address Svetsarvagen 13, kersberga, Stockholm, SWE, 184 42
LightAir AB is engaged in manufacturing and selling of air purifiers used for different industrial purposes such as traffic pollution, pet allergen, industrial pollution, smoke, and others. Its Air purifiers products include IonFlow Signature, IonFlow Evolution, IonFlow Style, IonFlow Surface, and others. The company distributes its products in Europe, Asia, and North America.
31GF Score

Get the complete analysis for NGM:LAIR

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

kr0.72
Price
kr0.28
GF Value