Siwa Vetvik-Ellefsen is a private shareholder. Siwa Vetvik-Ellefsen holds a stake in 1 company.

Companies Siwa Vetvik-Ellefsen owns

Company	Stake
SPLÆSH AS	5.0%

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