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
101
$292K
102
$284K
103
$270K
104
$225K
105
$213K
106
$201K
107
$189K
108
$188K
109
$187K
110
$185K
111
$164K
112
$154K
113
$149K
114
$123K
115
$121K
116
$116K
117
$115K
118
$95K
119
$88K
120
$81K
121
$80K
122
$79K
123
$78K
124
$76K
125
$67K