Ruben Kleiven is a private shareholder. Ruben Kleiven holds stakes in 2 companies.

Companies Ruben Kleiven owns

Company	Stake
CLARUS AS	20.0%
ISVIK HELSE AS	10.0%

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