Maria Terese Antonsen is a private shareholder. Maria Terese Antonsen holds stakes in 2 companies.

Companies Maria Terese Antonsen owns

Company	Stake
OPTIMAL INVEST AS	33.3%
IBORG AS	2.6%

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