Castellum AB (publ) (STO:CAST)
126.80
-6.10 (-4.59%)
Jul 8, 2026, 5:29 PM CET
Castellum AB Company Description
Castellum is a Swedish property company that owns, manages, and develops commercial properties in growth cities.
As of 31 March 2026, the property value amounted to approximately SEK 138 Bn. The company is listed on Nasdaq Stockholm Large Cap and is classified as green under the Green Equity Designation.
Castellum is the only Swedish property company included in the Dow Jones Sustainability Indices (DJSI).
Castellum AB (publ) is incorporated in Sweden.
Castellum AB (publ)

| Country | Sweden |
| Industry | Real Estate - Development |
| Sector | Real Estate |
| Employees | 485 |
| CEO | Pal Ahlsen |
Contact Details
Address: Oestra Hamngatan 16 Gothenburg, 403 14 Sweden | |
| Phone | 46 0 31 60 74 00 |
| Website | castellum.se |
Stock Details
| Ticker Symbol | CAST |
| Exchange | Nasdaq Stockholm |
| Share Class | Class A Shares |
| Fiscal Year | January - December |
| Reporting Currency | SEK |
| ISIN Number | SE0000379190 |
| SIC Code | 6512 |
Key Executives
| Name | Position |
|---|---|
| Per Gawelin | Chief Executive Officer of Central Region |
| Pal Ahlsen | President and Chief Executive Officer |
| Christoffer Stromback | Chief Financial Officer |
| Anna-Karin Nyman | Communications Director |
| Kristina Grahn Persson | Human Resources Director |
| Ola Orsmark | Managing Director of Region Öresund |
| Filip Elland | Chief Sustainability Officer |
| Mats Eriksson | Managing Director of Region Mälardalen |
| Sven Stork | Managing Director of Region Stockholm |
| Orjan Rystedt | Managing Director of Region West |