Stig Otto Magnussen is a private shareholder. Stig Otto Magnussen holds a stake in 1 company.

Companies Stig Otto Magnussen owns

Company	Stake
O.S.S. HYTTE & EIENDOMSUTVIKLING AS	20.0%

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