Siri Massey Sommerstad is a private shareholder. Siri Massey Sommerstad holds a stake in 1 company, and roles in several others.

Companies Siri Massey Sommerstad owns

Company	Stake
HOLMSHORNET AS	3.3%

Roles

Innehaver

1 selskap

SIRI SOMMERSTAD 937430698

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.