Sivert Høyem is a private shareholder with an estimated portfolio value of NOK 19.1m. Sivert Høyem holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 19.1m

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

Companies Sivert Høyem owns

Company	Stake	Value (est.)
HEKTOR GRAMMOFON AS	100.0%	NOK 18.2m
MADRUGADA MUSIC AS	33.3%	NOK 953,000

Roles

Daglig leder

1 selskap

HEKTOR GRAMMOFON AS 993166545

Innehaver

1 selskap

SIVERT HØYEM HEKTOR GRAMMOFON 981556232

Styremedlem

1 selskap

MADRUGADA MUSIC AS 922180202

Styrets leder

1 selskap

HEKTOR GRAMMOFON AS 993166545

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.