Castellum ABOSTO:CAST +0.36%66 Net Margin % is 55.97% as of Mar. 2026, which is 41% below its 10-year median of 95.29. GuruFocus rates OSTO:CAST with a GF Score™ of 66/100 and a GF Value™ of kr113.16 (Modestly Overvalued). The stock has 3 warning signs investors should review. Among 1,755 Real Estate companies, Castellum AB ranks better than 70.94% on this metric.
Net margin is calculated as Net Income divided by its Revenue. Castellum AB's Net Income for the
three
months ended in Mar. 2026 was kr1,299 Mil. Castellum AB's Revenue for the
three
months ended in Mar. 2026 was kr2,321 Mil. Therefore, Castellum AB's net margin for the quarter that ended in Mar. 2026 was 55.97%.
The historical rank and industry rank for Castellum AB's Net Margin % or its related term are showing as below:
OSTO:CAST'
s Net Margin % Range Over the Past 10 Years
Min: -118.21 Med: 95.29 Max: 186.18
Current: 23.42
OSTO:CAST's Net Margin % is ranked better than 70.94% of 1755
companies
in the Real Estate industry
Industry Median: 8.03
vs OSTO:CAST: 23.42
Castellum AB (OSTO:CAST) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
Castellum AB Net Margin % Related Terms
Castellum AB Net Margin % Historical Data
* Premium members only.
The historical data trend for Castellum AB's Net Margin % 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.
For the Real Estate - Development subindustry, Castellum AB's Net Margin %, along with its competitors' market caps and Net Margin % 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.
Castellum AB Net Margin % vs Real Estate Industry
For the Real Estate industry and Real Estate sector, Castellum AB's Net Margin % distribution charts can be found below:
* The bar in red indicates where Castellum AB's Net Margin % falls into.
* 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.
Castellum AB (OSTO:CAST) has a Net Margin % of 55.97% as of Mar. 2026. Net margin is the ratio of total net income to net sales. View historical data on Castellum AB and its competitors. This is 41% below median its historical median of 95.29. According to the industry distribution chart, Castellum AB ranks #510 out of 1755 companies in the Real Estate industry, placing it in the top 29.1%.
Is Castellum AB's Net Margin % too high?
Castellum AB's current Net Margin % of 55.97% is 41% below median its 10-year median of 95.29. The Real Estate industry median Net Margin % is 8.03. Castellum AB's value of 55.97% is 597% above this industry median. Based on the distribution chart, Castellum AB ranks #510 out of 1755 companies in the Real Estate industry, which is above the industry midpoint. Overall, Castellum AB has a GF Score™ of 66/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Castellum AB's Net Margin % compare to competitors?
According to the Real Estate industry distribution chart, Castellum AB ranks #510 out of 1755 companies for Net Margin %. This puts Castellum AB in the upper half of its industry. The industry median Net Margin % is 8.03. Castellum AB's value of 55.97% is 597% above this benchmark. While the company's 10-year median is 95.29 vs. the industry median of 8.03, Castellum AB has consistently been above 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 Net Margin % for a Real Estate company?
The median Net Margin % among Real Estate companies is 8.03, based on 1,755 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Castellum AB's current Net Margin % of 55.97% is 597% above 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on Castellum AB and its competitors. For the Real Estate industry, the median Net Margin % is 8.03 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Castellum AB's current Net Margin % is 55.97%, which is 41% below median its own 10-year median of 95.29. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Castellum AB stock overvalued right now?
Based on GuruFocus' analysis, Castellum AB (OSTO:CAST) is currently considered Modestly Overvalued. The stock's GF Value™ is kr113.16, compared to a current price of kr125.95 — trading 11.3% above its estimated fair value. The current Net Margin % is 55.97%, which is 41% below median its 10-year median of 95.29 and 597% above the Real Estate industry median of 8.03. Castellum AB's overall GF Score™ is 66/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For Castellum AB (OSTO:CAST), the current Net Margin % is 55.97% 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 Castellum AB (OSTO:CAST) Overvalued in 2026?
Based on GuruFocus' analysis, Castellum AB stock appears to be overvalued.
The current stock price of kr125.95 is trading 11.3% above its estimated GF Value™ of kr113.16.
GuruFocus considers Castellum AB to be Modestly Overvalued.
Key valuation signals for OSTO:CAST:
Net Margin %: 55.97% (41% below median its 10-year median of 95.29)
GF Value™: kr113.16 vs. price of kr125.95 (11.3% above fair value)
Industry Position: 597% above the Real Estate median (#510 of 1755)
No single metric tells the full story. See the OSTO:CAST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Castellum AB is a Swedish property company that owns, manages, and develops commercial properties in growth cities. The Company holds properties mainly in Sweden, with additional presence in Denmark and Finland. Its operating segments are organized by geographical areas: Stockholm; West (Greater Gothenburg, including Boras); Central (Orebro, Linkoping, Norrkoping, Jonkoping, and Vaxjo); Malardalen (Uppsala and Vasteras); Oresund (Malmo, Lund, Helsingborg, and Copenhagen); and Finland.
66GF Score
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