Mikhail Kostousov is a private shareholder with an estimated portfolio value of NOK 3,000. Mikhail Kostousov holds a stake in 1 company.

Estimated portfolio value

NOK 3,000

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Mikhail Kostousov owns

Company	Stake	Value (est.)
SUBSEA1 AS	1.0%	NOK 3,000

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