Hans Jacob Mustad is a private shareholder. Hans Jacob Mustad holds stakes in 5 companies.

Companies Hans Jacob Mustad owns

Company	Stake
LION ROCK INVEST AS	100.0%
HAMUS INVEST AS	99.9%
LEICA INVEST AS	33.0%
INVESTERINGSKLUBBEN NHHS AS	0.5%
HAMUS INVEST AS	0.1%

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