Siv Hege Stemshaug • 1966 • Nesoddtangen • 9 roles • 32 shareholdings

Roles

Management

Name	Role	Total operating income	Total equity	Shares
M MONTAN AS	Managing Director/CEO	12,589,038	192,953,078	10 % directly 6.82 % indirectly 3.18 %

Boards

Name	Role	Total operating income	Total equity	Shares
H HAVIAR AS	Chairman	16,377,450	265,543,954	100 % directly
P PROCERTA AS	Board Member	-	1,078,576,328	15.9 % indirectly
M MONTAN AS	Chairman	12,589,038	192,953,078	10 % directly 6.82 % indirectly 3.18 %
S SH STEMSHAUG Closed	Holder	-	-	-
P PORTIV AS	Board Member	-	75,612,289	-
S STEMNA AS	Board Member	-73,461	78,212,360	-
T TURKONKURRANSEN 4-FJELL	Board Member	-	-	-
K KJERKBÅTLAGET FJORDAMERRA	Board Member	-	-	-

Last update: Apr 13, 2023

Related industries

Health and social
Hospital and doctors
Services
Financial support

Direct relationships

HS
Hans Stemshaug2000
MONTAN AS, HAVIAR AS, PORTIV AS, STEMNA AS
IS
Ivar Stemshaug1998
MONTAN AS, HAVIAR AS, PORTIV AS, STEMNA AS
MA
Mille Aarvåg1962
KJERKBÅTLAGET FJORDAMERRA
BE
Benedicte Elisabeth Bakke Agerup1964
PROCERTA AS
HP
Hans Petter Høegh1961
PROCERTA AS

Shares owned by Siv Hege Helgheim Stemshaug

Name	Share class	Total operating income	Total equity	Share
H HAVIAR AS	Ordinære aksjer	16,377,450	265,543,954	100 % directly
P PROCERTA AS		0	1,078,576,328	15.9 % indirectly
L LAHO AS		56,578,516	1,010,019,491	9.3 % indirectly
F FINNSKOGTOPPEN SPA & VELVÆREHOTELL AS		28,924,708	22,799,361	9.3 % indirectly
V VESTBY SMÅBRUK AS		0	-57,543	9.3 % indirectly
Y YTRI ISLAND RETREAT AS		525,521	2,996,093	9.3 % indirectly
U UTVIKLINGSSELSKAP TRÆNA 365 AS		1,193,400	108,080,169	8.99 % indirectly
M MONTAN AS	B-aksjer	12,589,038	192,953,078	6.82 % directly 6.82 % indirectly 3.18 %
D DR FURST MEDISINSK LABORATORIUM AS		1,270,450,301	158,537,569	5.58 % indirectly
F FÜRST HOLDING AS		0	1,430,879,210	5.58 % indirectly
W WEBMED EPJ AS		63,824,513	4,312,701	5.58 % indirectly
W WEBMED ANSATT INVEST AS		0	15,304	5.58 % indirectly
L LABORATORIEBYGG AS		25,202,831	102,619,409	3.97 % indirectly
S SØREN BULLS VEI 25 INVEST AS		0	67,581,773	3.97 % indirectly
S SALFJORD AS		0	26,187,776	2.24 % indirectly
A ANNA FUND AS Closed		353,886,825	261,118,558	2.13 % indirectly
I INDUSTRIFINANS EIENDOMSFOND AS		0	350,794,179	1.77 % indirectly
L LEGEDATA SERVICEPARTNER AS		15,058,692	3,712,901	1.59 % indirectly
O ORO BREIVOLLBYEN AS Closed		0	235,053,394	1.57 % indirectly
B BREIVOLLBYEN EIENDOM AS		38,618,354	203,585,862	1.57 % indirectly
H HAMAR KONTOREIENDOM AS		0	98,793,151	1.06 % indirectly
S SPAREBANKEN SØR Closed	NO0006001502	-	-	< 0.01 % directly
S SPAREBANKEN NORGE	Ordinære aksjer	-	-	< 0.01 % directly
S SPAREBANK 1 ØSTLANDET	Ordinære aksjer	-	-	< 0.01 % directly
S SPAREBANKEN MØRE	Ordinære aksjer	-	-	< 0.01 % directly
S SPAREBANK 1 SØR-NORGE ASA	Ordinære aksjer	-	-	< 0.01 % directly
S SPAREBANK 1 HELGELAND	Ordinære aksjer	-	-	< 0.01 % directly
S SPAREBANK 1 SMN	Ordinære aksjer	-	-	< 0.01 % directly
S SPAREBANK 1 NORD-NORGE	Ordinære aksjer	-	-	< 0.01 % directly
D DNB BANK ASA	Ordinære aksjer	-	-	< 0.01 % directly
B B2 IMPACT ASA	Ordinære aksjer	162,000,000	0	< 0.01 % directly
G GJENSIDIGE FORSIKRING ASA	Ordinære aksjer	-	-	< 0.01 % directly

Limited to direct ownership positions of 0.5% or more.

Last update: Oct 30, 2026

Siv Hege Helgheim Stemshaug1966

Roles

Management

Boards

Related industries

Direct relationships

Shares owned by Siv Hege Helgheim Stemshaug