Idar Hodnefjell Østerhus is a private shareholder. Idar Hodnefjell Østerhus holds stakes in 2 companies.

Companies Idar Hodnefjell Østerhus owns

Company	Stake
IDAR INVESTMENT AS	100.0%
QUAD NINE HOLDING AS	100.0%

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