MARIUS ROSTOCK is a private shareholder with an estimated portfolio value of NOK 51.2m. MARIUS ROSTOCK har eierandeler i 2 selskaper, og roller i flere selskaper.

Estimated portfolio value

NOK 51.2m

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

Selskaper MARIUS ROSTOCK eier

Company	Stake	Value (est.)
ROSMA AS	100.0%	NOK 50.8m
ASCENIUM HOLDING AS	0.3%	NOK 470,000

Roles

Styremedlem

3 selskaper

BORØY NÆRINGSEIENDOM AS 929223640

HVALSTAD TEKNOLAB 913350561

BORØY TENNISFORENING 921734603

Daglig leder

2 selskaper

BYGGRO AS 912017966

BORØY NÆRINGSEIENDOM AS 929223640

Innehaver

1 selskap

MARIUS ROSTOCK 980439798

Styrets leder

1 selskap

BYGGRO AS 912017966

Varamedlem

1 selskap

CAFERO AS 899004612

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 15.06.2026.