Jan Magne Langseth is a private shareholder with an estimated portfolio value of NOK 10.8m. Jan Magne Langseth holds stakes in 3 companies, and roles in several others.

Estimated portfolio value

NOK 10.8m

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

Companies Jan Magne Langseth owns

Company	Stake	Value (est.)
JGL INVEST AS	50.0%	NOK 1.1m
ADVOKATFIRMAET SIMONSEN VOGT WIIG AS	1.5%	NOK 9.6m
PRE CHINA PRIVATE EQUITY II AS	0.1%	NOK 146,000

Roles

Styrets leder

1 selskap

JGL INVEST AS 914264421

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.