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
126
$61K
127
$61K
128
$59K
129
$53K
130
$51K
131
$45K
132
$36K
133
$34K
134
$33K
135
$32K
136
$27K
137
$25K
138
$24K
139
$22K
140
$22K
141
$21K
142
$18K
143
$17K
144
$16K
145
$14K
146
$14K
147
$9K
148
$8K
149
$7K
150
$7K