Grethe Birkedal Tuveng is a private shareholder. Grethe Birkedal Tuveng holds stakes in 2 companies.

Companies Grethe Birkedal Tuveng owns

Company	Stake
SEPTECH NORWAY AS	0.7%
NORDIC HALIBUT AS	0.0%

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