Wenche Elisabeth Steier Bjønness is a private shareholder with an estimated portfolio value of NOK 1.8m. Wenche Elisabeth Steier Bjønness holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 1.8m

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

Companies Wenche Elisabeth Steier Bjønness owns

Company	Stake	Value (est.)
SEM INVEST AS	10.0%	NOK 1.8m
DIATEC AS	2.5%	–

Roles

Styrets leder

2 selskaper

IDAS VERDEN AS 988426873

SEM INVEST AS 989240048

Styremedlem

1 selskap

ST OLAVS BORETTSLAG 981643755

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.