Øystein Kjos is a private shareholder. Øystein Kjos holds stakes in 3 companies.

Companies Øystein Kjos owns

Company	Stake
SIGGE INVEST AS	14.0%
SIGGE INVEST AS	10.0%
SIGGE INVEST AS	1.0%

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