177 hedge funds and large institutions have $2.43B invested in Tenaris in 2017 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 64 increasing their positions, 49 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
177
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.15M
Puts
$1.1M
Net Calls
Net Calls Change

Top Buyers

1 +$26.3M
2 +$24M
3 +$17.5M
4
Wellington Management Group
Wellington Management Group
Massachusetts
+$15.7M
5
VanEck Associates
VanEck Associates
New York
+$11.4M

Top Sellers

1 -$378M
2 -$30.9M
3 -$26.6M
4
GXMC
Global X Management Company
New York
-$21.1M
5
CS
Credit Suisse
Switzerland
-$19.3M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$1.06M
77
$1.01M
78
$948K
79
$924K
80
$897K
81
$889K
82
$872K
83
$865K
84
$732K
85
$726K
86
$708K
87
$707K
88
$701K
89
$652K
90
$648K
91
$642K
92
$596K
93
$535K
94
$481K
95
$431K
96
$403K
97
$346K
98
$333K
99
$325K
100
$295K