Øystein Arthur Birkeland is a private shareholder with an estimated portfolio value of NOK 3.0m. Øystein Arthur Birkeland holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 3.0m

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

Companies Øystein Arthur Birkeland owns

Company	Stake	Value (est.)
CONTRA MANAGEMENT AS	100.0%	NOK 1.5m
REISEGIGANTEN AS	1.3%	NOK 1.5m

Roles

Styrets leder

2 selskaper

CONTRA MANAGEMENT AS 989036629

TOM SANDBERG FOUNDATION STI 920628400

Daglig leder

1 selskap

CONTRA MANAGEMENT AS 989036629

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.