Castellum AB (CAST) Fair Value & Analysis

Real Estate · SE · Market cap 56.1B SEK

Analysis

Castellum AB (CAST) currently trades at kr 120.00, while our model-based Fair Value estimate is kr 55.70 — implying the stock looks roughly 53.6% overvalued today. We read business quality at 95/100 (high quality), in the Real Estate sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium — the entry price still matters most (evidence: high).

About the company

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.

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How we calculate Fair Value

Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data — nothing guessed.

Educational research only · not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.