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Castellum AB (0GT1) fair value: what the stock is really worth

As of Oct 2, 2026: fair value of Castellum AB SEK 105, price SEK 122, upside -13.7%, quality 51 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.

  1. Fair value above price? No
  2. Good quality? Yes
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Real Estate · GB · Home Sweden · ISIN SE0000379190

CA Thin data Sep 24, 2026

Castellum AB

0GT1 · LSE

Overvalued / MonitorQuality is not strong enough to offset the price risk.

!Fair value kr 105.45 · Overvalued (−13.7%)
!Quality 51/100
!Mixed Growth (revenue 3y +5.0 %/yr)
✓Highly profitable · 26.9% net margin (TTM)
!Moderate debt
✓Wide moat 65/100
!Evidence only low, so the estimate is less certain
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What runs behind every stock

26 valuation models 8 families, DCF to NCAV 37 quality factors margins, balance sheet, cashflow, debt 6 AI factors moat, what no ratio measures 2,000+ data points verified, per stock, median

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Price vs Fair Value

kr 203.13 kr 91.00 Fair Value kr 105.45 Jul 2021 Oct 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 24, 2026.

How to read this chart

60‑month range kr 91.00 – kr 203.13 · fair‑value band kr 105.45 – kr 145.65 · the kr 122.20 price screens above the kr 105.45 fair value. Dashed = 300-day average. As of Sep 24, 2026.

Which stocks are undervalued right now? Check free Discover now →

Company profile

Castellum AB (publ) is one of the Nordic region's largest commercial property companies, with a focus on office and logistics properties in Nordic growth cities. As of 31 December 2025, the property value, including the holdings in the Norwegian company Entra ASA and Halvorsäng, totaled approximately SEK 137 Bn.

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Castellum AB (publ) is one of the Nordic region's largest commercial property companies, with a focus on office and logistics properties in Nordic growth cities. As of 31 December 2025, the property value, including the holdings in the Norwegian company Entra ASA and Halvorsäng, totaled approximately SEK 137 Bn. The company is listed on Nasdaq Stockholm Large Cap and is classified as green under the Green Equity Designation. Castellum is the only Nordic property company included in the Dow Jones Sustainability Indices (DJSI). Castellum AB (publ) is incorporated in Sweden.

Stock analysis

Castellum AB (0GT1) currently trades at kr 122.20, while our model-based Fair Value estimate is kr 105.45, 13.7% below the price, so the stock looks overvalued today.

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Valuation

Bull case: the Economic Profit group reads highest at a median of kr 182.72 per share, and 5 of the 14 models we run sit above the kr 122.20 price.

Bear case: the Growth DCF group reads lowest at kr 69.51, and 9 of the 14 models stay below the price. Evidence for this calculation is low.

Scenario range: kr 105.45 (bear) to kr 145.65 (bull), the price of kr 122.20 sits inside it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.

Quality & growth

The Quality Score stands at 51/100 (solid quality), in the Real Estate sector.

Mixed Growth: Revenue is growing, but margins or cash flow do not fully confirm the trend.

Castellum AB reported revenue of 6.0B SEK in FY2020 versus 4.5B SEK in FY2016, a compound +7.3%/yr. Reported net income was 5.6B SEK in FY2020, compounding +3.1%/yr from FY2016.

Key figures

Market cap 41.0B SEK (≈ $4.1B) · P/E ratio 0.0 · P/S ratio 0.04 · EPS (TTM) kr 38.87 · Net margin 93.5% · Return on equity 3.5% · Return on assets (EBIT) 3.7% · Operating margin 63.1%.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 51 out of 100 (low confidence).

What moves the price

The share trades about 11% below its 52-week high and 19% above its 52-week low, currently above its 200-day average.

For context, the median of 10 Real Estate peers we cover trades at 2% fair-value upside, at −14%, 0GT1 screens richer than that median.

Fair Value models

Bear kr 105.45 Fair Value kr 105.45 Bull kr 145.65
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above is their evidence-weighted blend, not the output of a single model. Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds. Evidence ⓘEvidence = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Highest evidence
FCF DCF n/a kr 73.64 kr 181.10 73
Residual Income kr 160.56 kr 182.72 kr 237.74 73
5Y Revenue Exit n/a kr 16.65 >kr 66.60 66
All 15 models by family
DCF Models
FCF DCF n/a kr 73.64 kr 181.10 73
5Y Revenue Exit n/a kr 16.65 >kr 66.60 66
5Y EBITDA Exit kr 4.09 kr 100.52 kr 209.88 63
10Y Revenue Exit n/a kr 23.74 kr 92.86 61
10Y EBITDA Exit n/a kr 79.84 kr 180.91 62
Dividend Discount
Gordon GGM kr 65.55 kr 130.61 kr 197.78 64
DDM Multi-Stage kr 65.55 kr 100.39 kr 135.96 64
Multiples
P/S Multiple kr 107.14 kr 142.85 kr 178.56 58
P/B Multiple kr 262.05 kr 349.39 kr 436.74 55
EV/EBIT kr 80.32 kr 162.68 kr 245.03 63
EV/EBITDA kr 31.63 kr 97.76 kr 163.89 62
EV/Revenue n/a n/a kr 33.23 50
Asset-Based
NCAV (Graham) kr 88.30 kr 118.32 kr 176.59 54
Growth DCF
Growth DCF kr 0.7800 kr 69.51 kr 161.40 64
Economic Profit
Residual Income kr 160.56 kr 182.72 kr 237.74 73

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Quality Score breakdown

Overall quality 51/100

Of which business quality 49 · Market factors (momentum, volatility) 54

Profitability 40
Margins and returns on capital today
Quality Growth 47
Are margins and returns improving?
Cashflow 73
Earnings quality: real cash, not paper profit
Fin. Strength 29
Balance sheet, leverage, solvency risk
Investment 63
Disciplined investing over empire-building
Low Volatility 53
Calm price path (market factor)
Momentum 55
Price trend over the last 3–12 months (market factor)
52W Momentum 54
Distance to the 52-week high (market factor)

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Revenue & earnings trend

Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card. 66/100
Revenue is growing, but margins or cash flow do not fully confirm the trend.
Revenue growth 1 year
+3.1%
Revenue growth 3 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+5.0%
Profit margin (trend) ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.
52.0% (2016) → 68.1% (2020)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: no share-count history
not computed

0GT1 screens overvalued: fair value 14% below the price. Compare with Sun Hung Kai Properties Limited →

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Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Real Estate - Development · 577 stocks

Beats the industry median on 6/9 measures
Overall it ranks above its industry peers.
Valuation
Quality Score 52 · Above median
Profitability
Return on equity (TTM) 3.5% · Above median
Return on assets 2.7% · Above median
Net margin (TTM) 26.9% · Top 25%
Operating margin (TTM) 63.1% · Top 25%
Growth and dividend
Revenue growth −24.0% · Below median
Dividend yield (TTM) 0.0% · Bottom 25%
Balance sheet
Debt / equity 0.95× · Highest 25%

Valuation Multiplesvs Real Estate - Development median · lower = cheaper

P/E (TTM) 0.0× · Cheapest 25%

Context: sector, industry, market

Values & ESG

Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.

None of the checked exposures detected

Similar stocks

10 more Real Estate - Development stocks, each showing price versus our Fair Value estimate.

Stock Price Fair Value vs Fair Value
Sun Hung Kai Properties Limited 0016 HK$107.10 HK$155.14 +45%
China Resources Land Limited 1109 HK$28.64 HK$71.60 +150%
CK Asset Holdings 1113 HK$45.90 HK$71.49 +56%
Hongkong Land Holdings H78 $8.57 $1.52 −82%
DLF Limited DLF ₹658.40 ₹167.48 −75%
China Overseas Land & Investment Limited 0688 HK$12.42 HK$22.33 +80%
Sino Land Company 0083 HK$9.94 HK$7.28 −27%
Lodha Developers Limited LODHA ₹1,165 ₹274.14 −76%
Poly Developments and Holdings 600048 ¥5.77 ¥5.87 +2%
China Merchants Shekou Industrial Zone Holdings 001979 ¥7.18 ¥6.04 −16%

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Castellum AB · Fair Value
kr 105.45 −14%Fair Value
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Cite: Fair Value Calculator (2026). "Castellum AB Fair Value". https://www.fairvalue-calculator.com/stock/0GT1

Frequently asked questions

Is Castellum AB (0GT1) overvalued or undervalued?
As of Sep 24, 2026, our model estimates a fair value of kr 105.45 versus a price of kr 122.20, about −14% upside (overvalued).
What is the fair value of 0GT1?
Our model-based fair value for Castellum AB is kr 105.45 (as of Sep 24, 2026), built from audited fundamentals. The current price: kr 122.20.
What is the quality score of 0GT1?
Castellum AB has a Quality Score of 51/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the price target for Castellum AB (0GT1)?
Our model-based price target is the fair value of kr 105.45 (as of Sep 24, 2026) from 15 valuation models. Cautious scenario kr 105.45, optimistic scenario kr 145.65. It is a calculation from audited fundamentals, not an analyst target.
What is the Castellum AB stock forecast for 2026?
Our models put fair value at kr 105.45, about −14% upside versus a price of kr 122.20 (overvalued). Cautious scenario kr 105.45, optimistic scenario kr 145.65. The calculation is refreshed regularly with new filings.
What is the revenue of Castellum AB (0GT1)?
Castellum AB reported trailing-twelve-month revenue of about 10.0B SEK (latest available figure, as of Sep 24, 2026).
What is the intrinsic value of Castellum AB (0GT1)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Castellum AB it is kr 105.45 per share (as of Sep 24, 2026), against a price of kr 122.20. It is the blended result of 15 valuation models (cash flow, earnings, asset, dividend).
Is Castellum AB stock overvalued or undervalued in 2026?
As of Sep 24, 2026, 0GT1 trades above its calculated fair value: price kr 122.20, fair value kr 105.45, a gap of about −14% (overvalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of 0GT1?
No. The price is what the market pays today (kr 122.20); the fair value is what the company's own numbers justify (kr 105.45). For Castellum AB the two are kr 16.75 per share apart. That gap is exactly why we show both numbers side by side.
How much is Castellum AB worth?
The market values Castellum AB at about 41.0B SEK (market capitalisation, as of Sep 24, 2026). Per share that is kr 122.20; our models calculate a fair value of kr 105.45 per share.
What do the bullish and bearish scenarios say about 0GT1?
Our models span a range for Castellum AB: cautious scenario kr 105.45, base kr 105.45, optimistic kr 145.65 per share (as of Sep 24, 2026, price kr 122.20). The range comes from different growth and margin assumptions, not from analyst opinions.
What is the P/E ratio of 0GT1?
Castellum AB trades at a price-to-earnings ratio of 0.0 (as of Sep 24, 2026). A P/E on its own says little: it compares the price with ONE year of profit, while our fair value of kr 105.45 is built from several models across several years.
How solid is the balance sheet of Castellum AB (0GT1)?
Balance-sheet figures for Castellum AB (as of Sep 24, 2026): return on equity 3.5%, debt of 0.95 per unit of equity. They feed the Quality Score of 51/100, which measures business quality independently of the share price.
How far is 0GT1 from its 52-week high?
Castellum AB trades at kr 122.20, about 11% below its 52-week high of kr 137.08 and 19% above the low of kr 102.98 (as of Oct 2, 2026). Distance from the high says nothing about value: that is what the fair value of kr 105.45 is for.
Which stocks are comparable to Castellum AB?
From the same area (Real Estate) we also value Sun Hung Kai Properties Limited, China Resources Land Limited, CK Asset Holdings, Hongkong Land Holdings, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is Castellum AB stock attractive at the current price?
The data as of Sep 24, 2026: price kr 122.20, calculated fair value kr 105.45 (−14%), Quality Score 51/100, from 15 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of 0GT1 calculated?
We run Castellum AB through 15 models from four families: discounted cash flow, earnings models, asset and balance-sheet models, and dividend models. Every model gets the same audited fundamentals; the result is the weighted average of kr 105.45, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 14.5 % above its aggregate fair value. Castellum AB itself currently trades above fair value. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of Castellum AB (0GT1)?
The closing price on Oct 2, 2026 was kr 122.20. Our model-based fair value is kr 105.45, about −14% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Castellum AB right now?
Solid but not exceptional quality (51/100) and above fair value, neither a clear bargain nor a standout compounder. Evidence is limited here (fewer models, shorter history), so the fair value is a rougher estimate than usual. As a real-estate business, asset- and dividend-based methods carry more weight here than a standard DCF.

Key figures of Castellum AB

How large is the market capitalisation of Castellum AB (0GT1)?
The market capitalisation of Castellum AB is 41.0B SEK (≈ $4.1B). The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of Castellum AB (0GT1)?
The price-to-sales ratio of Castellum AB is 0.04 (P/E × margin). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of Castellum AB (0GT1)?
Earnings per share at Castellum AB are kr 38.87 (price ÷ EPS = P/E 0.0). Earnings per share over the last twelve months: total profit spread across every single share.
What is the net margin of Castellum AB (0GT1)?
The net margin of Castellum AB is 93.5% (fiscal year 2020). How much of every unit of revenue ends up as profit. 10% means 10 cents of profit per dollar of sales.
What is the return on equity of Castellum AB (0GT1)?
The return on equity (ROE) of Castellum AB is 3.5% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of Castellum AB (0GT1)?
On an EBIT basis the return on assets of Castellum AB is 3.7% (avg 5y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of Castellum AB (0GT1)?
The operating margin of Castellum AB is 63.1% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Castellum AB (0GT1)?
Revenue at Castellum AB is growing −24.0% versus a year earlier (3y avg +5.0%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How fast are earnings growing at Castellum AB (0GT1)?
Earnings per share at Castellum AB are growing +257% versus a year earlier. How much earnings per share grew versus a year earlier.
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