145 hedge funds and large institutions have $2.73B invested in Tenaris in 2015 Q3 according to their latest regulatory filings, with 32 funds opening new positions, 44 increasing their positions, 48 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
145
Holders Change
+8
Holders Change %
+5.84%
% of All Funds
4.05%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
32
Increased
44
Reduced
48
Closed
22
Calls
$6.96M
Puts
$2.12M
Net Calls
+$4.84M
Net Calls Change
+$5.27M
Name Holding Trade Value Shares
Change
Shares
Change %
CS
26
Credit Suisse
Switzerland
$11.6M +$4.07M +168,766 +54%
Deutsche Bank
27
Deutsche Bank
Germany
$10.4M +$3.3M +136,698 +46%
Renaissance Technologies
28
Renaissance Technologies
New York
$10.2M +$5.69M +236,100 +125%
Arrowstreet Capital
29
Arrowstreet Capital
Massachusetts
$10.1M +$10.1M +418,724 New
CII
30
Capital International Inc
California
$9.89M -$246K -10,200 -2%
Norges Bank
31
Norges Bank
Norway
$8.61M
CGT
32
Capital Guardian Trust
California
$7.92M -$359K -14,900 -4%
VAM
33
Visium Asset Management
New York
$7.6M +$7.6M +315,333 New
Capital Fund Management (CFM)
34
Capital Fund Management (CFM)
France
$7.35M +$6.36M +263,622 +641%
Vanguard Group
35
Vanguard Group
Pennsylvania
$7.32M +$73.9K +3,064 +1%
Capital International Investors
36
Capital International Investors
California
$6.34M
Northern Trust
37
Northern Trust
Illinois
$6.02M -$2.31M -95,979 -28%
OMC
38
Old Mission Capital
Illinois
$5.96M +$5.96M +247,115 New
CPS
39
Counsel Portfolio Services
Ontario, Canada
$5.7M +$4.22M +175,100 +286%
Citadel Advisors
40
Citadel Advisors
Florida
$5.39M +$5.39M +223,630 New
VKH
41
Virtu KCG Holdings
New York
$5.24M +$1.84M +76,239 +54%
SAM
42
Shell Asset Management
Netherlands
$4.55M +$1.96M +43,043 +76%
Bessemer Group
43
Bessemer Group
New Jersey
$4.44M +$853K +35,400 +24%
AG
44
Aperio Group
California
$4.3M +$1.48M +61,300 +52%
SCM
45
SIR Capital Management
New York
$4.1M +$4.1M +170,000 New
Bank of America
46
Bank of America
North Carolina
$4.08M +$3.11M +128,824 +319%
AIA
47
AGF Investments America
Ontario, Canada
$3.81M -$287K -11,911 -7%
EOCM
48
Energy Opportunities Capital Management
Texas
$3.77M -$154K -6,375 -4%
FCH
49
Freestone Capital Holdings
Washington
$3.46M +$729K +30,250 +27%
GF
50
Gabelli Funds
New York
$3.42M -$699K -29,000 -17%