Terje Røstum is a private shareholder. Terje Røstum holds stakes in 3 companies, and roles in several others.

Companies Terje Røstum owns

Company	Stake
SUMMITAS HOLDING AS	100.0%
LOSBY GOLFPARK AS	0.1%
.EAGL TECHNOLOGIES AS	0.0%

Roles

Daglig leder

1 selskap

SUMMITAS HOLDING AS 933613690

Styremedlem

1 selskap

TRITESE AS 933831787

Styrets leder

1 selskap

SUMMITAS HOLDING AS 933613690

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.