Torbjørn Gjelstad is a private shareholder. Torbjørn Gjelstad holds stakes in 2 companies.

Companies Torbjørn Gjelstad owns

Company	Stake
OPTISAN AS	3.0%
AQUA BIO TECHNOLOGY ASA	0.5%

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