Jan Birger Carlsen is a private shareholder with an estimated portfolio value of NOK 1.4m. Jan Birger Carlsen holds stakes in 3 companies.

Estimated portfolio value

NOK 1.4m

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

Companies Jan Birger Carlsen owns

Company	Stake	Value (est.)
ADURNA AS	80.8%	NOK 179,000
ADURNA AS	19.2%	NOK 43,000
NORDIC MINING ASA	0.1%	NOK 1.2m

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.