Karl Anton Kopperstad is a private shareholder with an estimated portfolio value of NOK 727,000. Karl Anton Kopperstad holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 727,000

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

Companies Karl Anton Kopperstad owns

Company	Stake	Value (est.)
HERØY BYGGSENTER AS	47.7%	NOK 717,000

Roles

Styrets leder

1 selskap

HERØY BYGGSENTER AS 941532446

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 03.10.2026.