Thor Kristian Seth • 1986 • Fyllingsdalen • 5 roles • 10 shareholdings

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Roles

Management

Name	Role	Total operating income	Total equity	Shares
A ARITMA AS	Managing Director/CEO	85,724,867	11,887,470	6.91 % indirectly
A ARITMA HOLDCO AS	Managing Director/CEO	-	264,562,147	6.91 % indirectly
A ARITMA INTERNATIONAL AS	Managing Director/CEO	-	142,802,579	6.91 % indirectly

Boards

Name	Role	Total operating income	Total equity	Shares
S SETH INVEST AS	Chairman	-	-	100 % directly
D DYREVERNALLIANSEN STI	Chairman	-	-	-

Last update: Oct 11, 2025

Related industries

2

Information and communication
Software
Services
Financial support

Direct relationships

5

WG
Wessel Geoff Ploegmakers1988
ARITMA AS, ARITMA HOLDCO AS, ARITMA INTERNATIONAL AS
DS
David Sebastian Ingman1992
ARITMA AS, ARITMA HOLDCO AS, ARITMA INTERNATIONAL AS
TF
Thomas Falck1966
ARITMA HOLDCO AS, ARITMA INTERNATIONAL AS
TK
Tetyana Kalchenko1974
DYREVERNALLIANSEN STI
JJ
Julie Janine Ravnanger Seth1989
ARITMA AS

Shares owned by Thor Kristian Ravnanger Seth

Name	Share class	Total operating income	Total equity	Share
S SETH INVEST AS	Ordinære aksjer	0	0	100 % directly
Z ZDATA HOLDING AS	Ordinære aksjer	765,417	283,467,459	25 % directly
A ARITMA AS		85,724,867	11,887,470	6.91 % indirectly
A ARITMA HOLDCO AS		0	264,562,147	6.91 % indirectly
A ARITMA INTERNATIONAL AS		0	142,802,579	6.91 % indirectly
E ELKEM ASA	Ordinære aksjer	8,461,000,000	0	< 0.01 % directly
V Veidekke ASA	Ordinære aksjer	124,000,000	1,355,000,000	< 0.01 % directly
E EQUINOR ASA	Ordinære aksjer	67,956,000,000	39,182,000,000	< 0.01 % directly
A AF GRUPPEN ASA	Ordinære aksjer	914,000,000	968,000,000	< 0.01 % directly
T TELENOR ASA	Ordinære aksjer	77,292,000,000	75,629,000,000	< 0.01 % directly

Limited to direct ownership positions of 0.5% or more.

Last update: Oct 30, 2026