Karl Johan Grøttum is a private shareholder with an estimated portfolio value of NOK 600,000. Karl Johan Grøttum holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 600,000

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

Companies Karl Johan Grøttum owns

Company	Stake	Value (est.)
QUADRATECH AS	21.0%	NOK 66,000
MPOWER AS	14.3%	NOK 157,000

Roles

Styrets leder

3 selskaper

MPOWER AS 984585020

KJERRVIKA HYTTEGRENDS VEL 923216812

QUADRATECH AS 933910997

Styremedlem

1 selskap

SPACETEC B.I.L. 929310594

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.