Wilhelm Johan Sissener Munthe is a private shareholder with an estimated portfolio value of NOK 32.1m. Wilhelm Johan Sissener Munthe holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 32.1m

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

Companies Wilhelm Johan Sissener Munthe owns

Company	Stake	Value (est.)
WHITE MONSTER AS	99.9%	NOK 342,000
WJSM AS	99.1%	NOK 31.8m

Roles

Styremedlem

1 selskap

WJSM AS 997711998

Varamedlem

1 selskap

WHITE MONSTER AS 991973664

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.