Stian-André Antonsen is a private shareholder. Stian-André Antonsen holds a stake in 1 company.

Companies Stian-André Antonsen owns

Company	Stake	Value (est.)
BIVUAKK AS	33.3%	–

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.