Carl Wilhelm Janssen is a private shareholder. Carl Wilhelm Janssen holds stakes in 2 companies.

Companies Carl Wilhelm Janssen owns

Company	Stake
INVESTERINGSKLUBBEN NHHS AS	1.0%
NEKKAR ASA	0.0%

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.