John Birger Tronsaune is a private shareholder with an estimated portfolio value of NOK 4.4m. John Birger Tronsaune holds stakes in 3 companies, and roles in several others.

Estimated portfolio value

NOK 4.4m

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

Companies John Birger Tronsaune owns

Company	Stake	Value (est.)
SPINNAKER NORWAY MIPCO AS	1.0%	NOK 4.2m
RØROSBANKEN RØROS SPAREBANK	0.1%	–
SPINNAKER NORWAY MIPCO AS	0.0%	NOK 106,000

Roles

Styrets leder

1 selskap

RØROSBANKEN RØROS SPAREBANK 956548888

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.