Marius Christoffer Hornslien • 1993 • Oslo • 2 roles • 5 shareholdings

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Roles

Boards

Name	Role	Total operating income	Total equity	Shares
H HORNSLIEN HORIZONS HOLDING AS	Chairman	-	26,691	100 % directly
K KEYSTONE EDUCATION GROUP AS	Alternate Member	-	99,050,000	-

Last update: Jun 21, 2025

Related industries1

Services
/ IT services

Direct relationships5

TB
Thorstein Berg1949
KEYSTONE EDUCATION GROUP AS
BF
Björn Fredrik Högemark1982
KEYSTONE EDUCATION GROUP AS
JV
Jostein Vik1973
KEYSTONE EDUCATION GROUP AS
CF
Carl Fredrik Gustav Søderlindh1980
KEYSTONE EDUCATION GROUP AS
IM
Ingeborg Margrete Lianes1995
HORNSLIEN HORIZONS HOLDING AS

Shares owned by Marius Christoffer Hornslien

Name	Share class	Total operating income	Total equity	Share
H HORNSLIEN HORIZONS HOLDING AS	Ordinære aksjer	0	26,691	100 % directly
O OCOPO AS		3,171,951	2,072,711	1.75 % indirectly
S SALMAR ASA	NO0010310956	836,826,000	10,049,628,000	< 0.01 % directly
N NORDIC SEMICONDUCTOR ASA	NO0003055501	508,026,000	554,883,000	< 0.01 % directly
M MOWI ASA	NO0003054108	1,913,000,000	3,013,000,000	< 0.01 % directly

Limited to direct ownership positions of 0.5% or more.

Last update: Jun 2, 2025