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
51
$1.76M
52
$1.72M
53
$1.72M
54
$1.67M
55
$1.65M
56
$1.63M
57
$1.58M
58
$1.51M
59
$1.47M
60
$1.47M
61
$1.46M
62
$1.34M
63
$1.28M
64
$1.26M
65
$1.24M
66
$1.22M
67
$1.21M
68
$1.13M
69
$1.07M
70
$1M
71
$988K
72
$951K
73
$948K
74
$897K
75
$893K