Jan Ove Grastveit is a private shareholder. Jan Ove Grastveit holds stakes in 2 companies.

Companies Jan Ove Grastveit owns

Company	Stake
EVO-TECH AS	5.0%
MAGMA GEOPARK AS	0.1%

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