Ole Martin Østby is a private shareholder with an estimated portfolio value of NOK 18.1m. Ole Martin Østby holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 18.1m

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

Companies Ole Martin Østby owns

Company	Stake	Value (est.)
SYLENE INVEST AS	100.0%	NOK 18.1m

Roles

Daglig leder

1 selskap

SYLENE INVEST AS 989251732

Styremedlem

1 selskap

IDEHUSGRUPPEN AS 980879798

Styrets leder

1 selskap

SYLENE INVEST AS 989251732

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.