Ole Fredrik Hartz Gravbråten is a private shareholder with an estimated portfolio value of NOK 814,000. Ole Fredrik Hartz Gravbråten holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 814,000

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

Companies Ole Fredrik Hartz Gravbråten owns

Company	Stake	Value (est.)
HARTZ PRODUCTIONS AS	100.0%	NOK 781,000
LOST GALLERY AS	50.0%	NOK 33,000

Roles

Innehaver

1 selskap

HARTZ MUSIC GRAVBRÅTEN 916564546

Styremedlem

1 selskap

LOST GALLERY AS 834100282

Styrets leder

1 selskap

HARTZ PRODUCTIONS AS 934938690

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.