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

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Roles

Boards

Name	Role	Total operating income	Total equity	Shares
H HORNSLIEN HORIZONS HOLDING AS	Chairman	-	-29,435	100 % directly
T TALENTECH TOPCO AS	Board Member	-	-	-
H HR NORDIC INVEST AS	Board Member	-	357,887,511	-
H HR NORDIC TOPCO AS	Board Member	-	578,332,599	-
K KEYSTONE EDUCATION GROUP AS	Board Member	-	113,614,000	-

Last update: Aug 13, 2026

Related industries

1

Information and communication
News dissemination

Direct relationships

5

NA
Nils Anders Vold1975
HR NORDIC INVEST AS, HR NORDIC TOPCO AS, TALENTECH TOPCO AS
TB
Thorstein Berg1949
KEYSTONE EDUCATION GROUP AS
BF
Björn Fredrik Högemark1982
KEYSTONE EDUCATION GROUP AS
JV
Jostein Vik1973
KEYSTONE EDUCATION GROUP AS
JW
Joar Welde1972
TALENTECH TOPCO AS

Shares owned by Marius Christoffer Hornslien

Name	Share class	Total operating income	Total equity	Share
H HORNSLIEN HORIZONS HOLDING AS	Ordinære aksjer	0	-29,435	100 % directly
O OCOPO AS		8,307,901	1,519,885	1.75 % indirectly
S SALMAR ASA	NO0010310956	228,000,000	11,856,000,000	< 0.01 % directly
N NORDIC SEMICONDUCTOR ASA	NO0003055501	477,595,000	515,052,000	< 0.01 % directly
M MOWI ASA	NO0003054108	1,887,000,000	2,856,000,000	< 0.01 % directly

Limited to direct ownership positions of 0.5% or more.

Last update: Jun 2, 2025