Knut Birger Marthinsen is a private shareholder with an estimated portfolio value of NOK 2.6m. Knut Birger Marthinsen holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 2.6m

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

Companies Knut Birger Marthinsen owns

Company	Stake	Value (est.)
KTH HOLDING AS	10.2%	NOK 2.3m

Roles

Daglig leder

1 selskap

KTH HOLDING AS 989187422

Styrets leder

1 selskap

KTH HOLDING AS 989187422

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.