Marcin Michal Kostrz is a private shareholder. Marcin Michal Kostrz holds a stake in 1 company.

Companies Marcin Michal Kostrz owns

Company	Stake
ANSATT VKV AS	7.9%

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.