Stein Mohn is a private shareholder with an estimated portfolio value of NOK 15.3m. Stein Mohn holds stakes in 5 companies, and roles in several others.

Estimated portfolio value

NOK 15.3m

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

Companies Stein Mohn owns

Company	Stake	Value (est.)
STAS AS	100.0%	NOK 10,000
SIRA PSV AS	87.5%	–
MOHN TECHNOLOGY AS	44.9%	NOK 1.4m
MOHN DRILLING AS	19.0%	NOK 13.7m
NORDSJØ AS	2.3%	NOK 208,000

Roles

Styrets leder

3 selskaper

MOHN TECHNOLOGY AS 877390462

STAS AS 927376792

SIRA PSV AS 957075770

Daglig leder

2 selskaper

STAS AS 927376792

SIRA PSV AS 957075770

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.