SA
Stein Ivar Antonsen
Stein Ivar Antonsen is a private shareholder with an estimated portfolio value of NOK 1.8m. Stein Ivar Antonsen holds a stake in 1 company, and roles in several others.
Estimated portfolio value
NOK 1.8m
The sum of estimated values across all known holdings in Norwegian AS/ASA companies
Companies Stein Ivar Antonsen owns
| Company | Stake | Value (est.) |
|---|---|---|
| SIA AS | 100.0% | NOK 1.8m |
Roles
Styrets leder
5 selskaper
ASTAFJORD SLAKTERI AS
981137299
GRATANGLAKS AS
988365777
ASTAFJORD SMOLT AS
958916116
SIA AS
990495823
SEACALX AS
998710227
Daglig leder
2 selskaper
SEACALX AS
998710227
SIA AS
990495823
Styremedlem
2 selskaper
ASTAFJORD INDUSTRIER AS
912428532
ASTAFJORD OCEAN SALMON AS
919881941
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.