Grethe Støa Birketvedt is a private shareholder with an estimated portfolio value of NOK 2.2m. Grethe Støa Birketvedt holds stakes in 4 companies, and roles in several others.

Estimated portfolio value

NOK 2.2m

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

Companies Grethe Støa Birketvedt owns

Company	Stake	Value (est.)
MEDISINSK SENTER FOR OVERVEKT OG FORSKNING AS	100.0%	NOK 1.5m
NOS NOVA AS	0.0%	NOK 29,000
INTEROIL EXPLORATION AND PRODUCTION ASA	0.0%	–
OBSERVE MEDICAL ASA	0.0%	NOK 2,000

Roles

Daglig leder

1 selskap

MEDISINSK SENTER FOR OVERVEKT OG FORSKNING AS 966581050

Styremedlem

1 selskap

ZOBRIUS PHARMA AS 914330009

Styrets leder

1 selskap

MEDISINSK SENTER FOR OVERVEKT OG FORSKNING AS 966581050

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.