187 hedge funds and large institutions have $3.72B invested in Tenaris in 2017 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 57 increasing their positions, 60 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
187
Holders Change
+23
Holders Change %
+14.02%
% of All Funds
4.66%
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.2%
New
43
Increased
57
Reduced
60
Closed
18
Calls
$43.1M
Puts
$1.42M
Net Calls
+$41.7M
Net Calls Change
+$35.3M
Name Holding Trade Value Shares
Change
Shares
Change %
Renaissance Technologies
26
Renaissance Technologies
New York
$32.5M +$32.5M +953,099 New
WRF
27
Waddell & Reed Financial
Kansas
$32.1M +$4.66M +136,600 +17%
Jennison Associates
28
Jennison Associates
New York
$31.7M +$8.58M +251,441 +37%
Adage Capital Partners
29
Adage Capital Partners
Massachusetts
$27.3M +$27.3M +800,000 New
GXMC
30
Global X Management Company
New York
$23.7M +$5.11M +149,776 +28%
Russell Investments Group
31
Russell Investments Group
United Kingdom
$23.3M -$1.09M -31,995 -4%
Northern Trust
32
Northern Trust
Illinois
$22.7M -$2.72M -79,814 -11%
NIMC
33
NWQ Investment Management Company
California
$21.4M -$658K -19,121 -3%
CIS
34
Capital International Sarl
California
$17.2M +$3.95M +115,600 +30%
Calamos Advisors
35
Calamos Advisors
Illinois
$14.5M +$3.83M +112,086 +36%
Neuberger Berman Group
36
Neuberger Berman Group
New York
$13.9M -$2.69M -78,753 -16%
Deutsche Bank
37
Deutsche Bank
Germany
$12.8M +$12.5M +365,765 +4,290%
Bessemer Group
38
Bessemer Group
New Jersey
$12.3M +$755K +22,100 +7%
Norges Bank
39
Norges Bank
Norway
$12.2M
Bank of New York Mellon
40
Bank of New York Mellon
New York
$12M -$3.49M -102,351 -23%
CS
41
Credit Suisse
Switzerland
$11.9M +$9.2M +269,568 +341%
AI
42
Ariel Investments
Illinois
$11.7M +$2.48M +72,544 +27%
Capital Fund Management (CFM)
43
Capital Fund Management (CFM)
France
$11.6M +$11.6M +339,917 New
AII
44
AGF Investments Inc
Ontario, Canada
$11.6M -$460K -13,477 -4%
Vanguard Group
45
Vanguard Group
Pennsylvania
$11M +$306K +8,964 +3%
Capital International Investors
46
Capital International Investors
California
$10.3M +$1.31M +38,500 +15%
OMC
47
Old Mission Capital
Illinois
$9.99M +$9.99M +292,542 New
PPA
48
Parametric Portfolio Associates
Washington
$9.79M +$212K +6,197 +2%
Voloridge Investment Management
49
Voloridge Investment Management
Florida
$8.98M +$8.23M +241,078 +1,101%
TCM
50
TVR Capital Management
Connecticut
$8.75M +$8.75M +256,334 New