Castellum AB (publ) (CAST.ST) stock analysis

In our weekly check, Castellum AB (publ) is graded C (A to F). Of 25 checks on debt, profit, cash flow and trend: 15 pass, warnings: 3, red flags: 7.

About Castellum AB (publ)

Castellum AB (publ) is a Real Estate company (Real Estate - Development) based in Sweden, listed on STO as CAST.ST.

What our checks show for CAST.ST

Red flags

• Net debt is 13.9x a year of EBITDA (debt/equity 1.05). That limits room in a downturn and raises refinancing risk.
• The net margin fell by 113 points over 5 years, to 29.4%: the company keeps less of each sale as profit.
• The gross margin fell by 7.1 points, to 68.4%: costs are rising faster than prices.
• Analysts expect revenue to shrink about 5.2% a year.
• Revenue fell 9.7% a year over the last 3 years.
• Recovering from its deepest fall took about 4.1 years.
• Return on capital (ROCE) is only 4.3%.

Warning signs

• Operating profit covers interest only 2.8 times: a weak year could make the payments hard.
• The stock has fallen as much as 59% from a peak. Would you have held through that?
• Beta 1.44: the stock usually moves more than the market, both up and down.

Strengths

• Operating cash flow is 1.45x net profit: the profit arrives as real cash.
• Analysts expect earnings per share to grow about 21.8% a year over the next years.
• Analysts expect the net margin to improve by 14 points from today's 29.4%.
• Earnings per share grew 10.1% a year over the last 3 years.
• Net profit grew 16.4% a year over the last 3 years.
• The company keeps 29.4% of its revenue as net profit.

Similar companies

BALD-B.ST · SAGA-B.ST · EMAARDEV.AE · 0083.HK · EMAAR.AE · NRP.JO

Questions

What grade does Castellum AB (publ) (CAST.ST) have?

In our weekly check, Castellum AB (publ) is graded C (A to F). Of 25 checks on debt, profit, cash flow and trend: 15 pass, warnings: 3, red flags: 7. The grade is a risk check, not a buy or sell recommendation.

What are the main risks of CAST.ST stock?

This week's biggest flags for Castellum AB (publ): High debt, Margins falling, Gross margin falling. In total 10 of 25 checks show a warning or a red flag.

What does Castellum AB (publ) do?

Castellum AB (publ) is a Real Estate company (Real Estate - Development) based in Sweden, listed on STO as CAST.ST.

The grade is a risk check, not a price forecast, and not investment advice. In our 10-year test (S&P 500, 2016-2026), stocks we graded A or B fell more than 30% 2-3 times less often than D or F, without a lower average return.

Updated 2026-10-31

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