Magne Rønningsland Halvorsen is a private shareholder with an estimated portfolio value of NOK 4.6m. Magne Rønningsland Halvorsen holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 4.6m

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

Companies Magne Rønningsland Halvorsen owns

Company	Stake	Value (est.)
LANGESUND RØR AS	100.0%	NOK 3.5m
RØRINVEST AS	100.0%	NOK 1.1m

Roles

Styrets leder

2 selskaper

LANGESUND RØR AS 933256391

RØRINVEST AS 934535561

Daglig leder

1 selskap

LANGESUND RØR AS 933256391

Styremedlem

1 selskap

GRENLAND RACERBÅT KLUBB 895021172

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.