Siv Rønstad is a private shareholder with an estimated portfolio value of NOK 35.2m. Siv Rønstad holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 35.2m

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Siv Rønstad owns

Company	Stake	Value (est.)
SIHA INVESTERINGER AS	100.0%	NOK 35.2m

Roles

Styrets leder

1 selskap

SIHA INVESTERINGER AS 935363918

Varamedlem

1 selskap

VESTBY IDRETTSLAG 982892694

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

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