Jan Inge Halvorsen • 1973 • Skien • 2 roles • 9 shareholdings

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Roles

Management

Name	Role	Total operating income	Total equity	Shares
J JIH GRAVESERVICE AS	Managing Director/CEO	3,391,313	775,889	100 % directly

Boards

Name	Role	Total operating income	Total equity	Shares
J JIH GRAVESERVICE AS	Chairman	3,391,313	775,889	100 % directly

Last update: Apr 13, 2023

Related industries

1

Construction
Contractor activities

Direct relationships

1

UM
Ulf Moen1958
JIH GRAVESERVICE AS

Shares owned by Jan Inge Sandvik Halvorsen

Name	Share class	Total operating income	Total equity	Share
J JIH GRAVESERVICE AS	Ordinære aksjer	3,391,313	775,889	100 % directly
W WESTERN BULK CHARTERING AS	Ordinære aksjer	-411,220	35,263,346	< 0.01 % directly
D DOLPHIN DRILLING AS	Ordinære aksjer	26,513,234	1,321,359,402	< 0.01 % directly
K KONGSBERG AUTOMOTIVE ASA	Ordinære aksjer	8,900,000	267,700,000	< 0.01 % directly
M MOWI ASA	Ordinære aksjer	1,887,000,000	2,856,000,000	< 0.01 % directly
R REC SILICON HOLDINGS AS	Ordinære aksjer	0	16,124,000	< 0.01 % directly
H HÖEGH AUTOLINERS ASA	Ordinære aksjer	0	1,237,937,000	< 0.01 % directly
A AKER BP ASA	Ordinære aksjer	10,943,000,000	11,226,000,000	< 0.01 % directly
O ONCOINVENT ASA	Ordinære aksjer	1,909,000	122,658,000	< 0.01 % directly

Limited to direct ownership positions of 0.5% or more.

Last update: Oct 30, 2026