Thorvald Ydstebø is a private shareholder with an estimated portfolio value of NOK 5.9m. Thorvald Ydstebø holds stakes in 3 companies, and roles in several others.

Estimated portfolio value

NOK 5.9m

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

Companies Thorvald Ydstebø owns

Company	Stake	Value (est.)
YDSTEBØ MARINE AS	50.0%	NOK 185,000
YMAS AS	50.0%	NOK 4.7m
KVITSØY SJØTJENESTER AS	10.0%	NOK 1.0m

Roles

Styremedlem

3 selskaper

KVITSØY MISJONSFELLESSKAP 937085702

YDSTEBØ MARINE AS 983217699

KVITSØY SJØTJENESTER AS 996441083

Daglig leder

1 selskap

YDSTEBØ MARINE AS 983217699

Styrets leder

1 selskap

YMAS AS 985509387

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.