John Henry Nilssen is a private shareholder. John Henry Nilssen holds stakes in 2 companies.

Companies John Henry Nilssen owns

Company	Stake
OSLO KLATRESENTER AS	0.9%
VENGA HOLDING AS	0.4%

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