SS
Siv Hege Helgheim Stemshaug
Siv Hege Helgheim Stemshaug is a private shareholder with an estimated portfolio value of NOK 234.3m. Siv Hege Helgheim Stemshaug holds stakes in 2 companies, and roles in several others.
Estimated portfolio value
NOK 234.3m
The sum of estimated values across all known holdings in Norwegian AS/ASA companies
Companies Siv Hege Helgheim Stemshaug owns
| Company | Stake | Value (est.) |
|---|---|---|
| HAVIAR AS | 100.0% | NOK 224.3m |
| MONTAN AS | 6.8% | NOK 10.0m |
Roles
Styremedlem
5 selskaper
PROCERTA AS
984807880
TURKONKURRANSEN 4-FJELL
913411862
PORTIV AS
925815055
STEMNA AS
925814857
KJERKBÅTLAGET FJORDAMERRA
917345333
Daglig leder
1 selskap
MONTAN AS
925814970
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 02.09.2026.