Magnar Byberg is a private shareholder with an estimated portfolio value of NOK 1.2m. Magnar Byberg holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 1.2m

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

Companies Magnar Byberg owns

Company	Stake	Value (est.)
DUPLOSTAG AS	48.0%	NOK 1.2m
JÆREN SPAREBANK	0.0%	–

Roles

Daglig leder

3 selskaper

BYBERG KLEPP AS 991373462

DUPLOSTAG AS 991359192

BYBERG AS 991358919

Styremedlem

2 selskaper

BYBERG KLEPP AS 991373462

BYBERG AS 991358919

Innehaver

1 selskap

BYBERG MAGNAR 969241641

Styrets leder

1 selskap

DUPLOSTAG AS 991359192

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.