Ingeborg Berget Tronstad is a private shareholder. Ingeborg Berget Tronstad holds a stake in 1 company.

Companies Ingeborg Berget Tronstad owns

Company	Stake
LIGNA AS	4.2%

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