Dag Sigvard Magelssen is a private shareholder with an estimated portfolio value of NOK 1,000. Dag Sigvard Magelssen holds a stake in 1 company.

Estimated portfolio value

NOK 1,000

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

Companies Dag Sigvard Magelssen owns

Company	Stake	Value (est.)
NORSK UNDERHOLDNINGSMEDISINSK INSTITUTT AS	3.7%	–

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.