Sigrun Halvorsen is a private shareholder with an estimated portfolio value of NOK 2.0m. Sigrun Halvorsen holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 2.0m

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

Companies Sigrun Halvorsen owns

Company	Stake	Value (est.)
CARDIOCON AS	65.0%	NOK 2.0m

Roles

Styremedlem

3 selskaper

NORSK SELSKAP FOR TROMBOSE OG HEMOSTASE (NSTH) 911939517

ADA OG HAGBART WAAGES HUMANITÆRE OG VELDEDIGE STIFTELSE 976691334

FELLESKATALOGEN AS 965614923

Styrets leder

2 selskaper

CARDIOCON AS 990074194

OSLO KARDIOLOGISK FORENING 996334961

Daglig leder

1 selskap

CARDIOCON AS 990074194

Innehaver

1 selskap

SIGRUN HALVORSEN 985603162

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

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