170 hedge funds and large institutions have $6.38B invested in Tenaris in 2013 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 59 increasing their positions, 45 reducing their positions, and 14 closing their positions.

Holders
170
Holders Change
+20
Holders Change %
+13.33%
% of All Funds
5.51%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.16%
New
34
Increased
59
Reduced
45
Closed
14
Calls
$17.5M
Puts
$14.4M
Net Calls
+$3.15M
Net Calls Change
-$11M
Name Holding Trade Value Shares
Change
Shares
Change %
CIS
26
Capital International Sarl
California
$18.1M +$192K +4,100 +1%
MWNA
27
Marshall Wace North America
New York
$17.8M +$17.8M +381,204 New
Ameriprise
28
Ameriprise
Minnesota
$17.1M +$4.21K +90 +0%
Legal & General Group
29
Legal & General Group
United Kingdom
$16.6M
UIM
30
USS Investment Management
United Kingdom
$16.4M
Ninety One (UK)
31
Ninety One (UK)
United Kingdom
$16.1M +$384K +8,200 +2%
AIMCA
32
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$15.9M +$15.9M +340,000 New
WHG
33
Westwood Holdings Group
Texas
$15.2M -$239K -5,111 -2%
TAM
34
Todd Asset Management
Kentucky
$14.5M -$1.46M -31,173 -9%
TRSOTSOK
35
Teachers Retirement System of the State of Kentucky
Kentucky
$14.3M -$1.45M -31,000 -9%
Norges Bank
36
Norges Bank
Norway
$14.1M
CGT
37
Capital Guardian Trust
California
$13.6M +$908K +19,400 +7%
Vanguard Group
38
Vanguard Group
Pennsylvania
$13.3M
GF
39
Gabelli Funds
New York
$13.2M -$365K -7,800 -3%
ECA
40
Encompass Capital Advisors
New York
$12.2M +$12.2M +261,190 New
DM
41
Delphi Management
Massachusetts
$9.02M -$359K -7,675 -4%
SO
42
STRS Ohio
Ohio
$8.64M +$8.64M +184,710 New
IGIM
43
I.G. Investment Management
Manitoba, Canada
$8.42M +$13.2K +283 +0.2%
CS
44
Credit Suisse
Switzerland
$7.61M -$1.55M -33,040 -17%
Janus Henderson Group
45
Janus Henderson Group
United Kingdom
$6.97M -$3.87M -82,700 -36%
SCCM
46
Schafer Cullen Capital Management
New York
$6.76M +$507K +10,840 +8%
SC
47
Saturna Capital
Washington
$6.18M
VKH
48
Virtu KCG Holdings
New York
$6.16M +$6.16M +131,767 New
Susquehanna International Group
49
Susquehanna International Group
Pennsylvania
$5.86M -$883K -18,868 -13%
Morgan Stanley
50
Morgan Stanley
New York
$5.82M -$2.26M -48,353 -28%