221 hedge funds and large institutions have $1.28B invested in Tenaris in 2025 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 82 increasing their positions, 65 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
221
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.22M
Puts
$4.97M
Net Calls
Net Calls Change

Top Sellers

1 -$115M
2 -$66.1M
3 -$62.1M
4
UBS Group
UBS Group
Switzerland
-$47.8M
5
Capstone Investment Advisors
Capstone Investment Advisors
New York
-$34.5M
Name Holding Trade Value Shares
Change
Change in
Stake
126
$316K
127
$315K
128
$313K
129
$291K
130
$286K
131
$286K
132
$285K
133
$275K
134
$243K
135
$241K
136
$236K
137
$235K
138
$232K
139
$226K
140
$224K
141
$216K
142
$215K
143
$214K
144
$209K
145
$205K
146
$205K
147
$204K
148
$202K
149
$201K
150
$178K