Olena Laktionova is a private shareholder. Olena Laktionova holds stakes in 2 companies.

Companies Olena Laktionova owns

Company	Stake
PROVENTUS AS	0.2%
CARDIACCS AS	0.1%

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