Tore Jahnsen is a private shareholder. Tore Jahnsen holds stakes in 3 companies.

Companies Tore Jahnsen owns

Company	Stake
RHEUMATECH AS	10.8%
SPERMATECH AS	5.3%
ARCTIC PHARMA AS	1.2%

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