Bjørn Johan Arntzen is a private shareholder. Bjørn Johan Arntzen holds a stake in 1 company.

Companies Bjørn Johan Arntzen owns

Company	Stake
BLAST MANCO AS	1.7%

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