225 hedge funds and large institutions have $2.01B invested in Tenaris in 2025 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 72 increasing their positions, 82 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

3% less first-time investments, than exits

New positions opened: 34 | Existing positions closed: 35

3% less funds holding

Funds holding: 232225 (-7)

12% less repeat investments, than reductions

Existing positions increased: 72 | Existing positions reduced: 82

Holders
225
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$10.4M
Puts
$10M
Net Calls
Net Calls Change

Top Buyers

1 +$93.4M
2 +$66M
3 +$39M
4
Holocene Advisors
Holocene Advisors
New York
+$35.4M
5
UBS Group
UBS Group
Switzerland
+$30.8M

Top Sellers

1 -$64.1M
2 -$27.5M
3 -$25.4M
4
VanEck Associates
VanEck Associates
New York
-$19.3M
5
Capital Fund Management (CFM)
Capital Fund Management (CFM)
France
-$17.3M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$578K
102
$564K
103
$564K
104
$535K
105
$516K
106
$512K
107
$512K
108
$500K
109
$499K
110
$484K
111
$479K
112
$456K
113
$442K
114
$427K
115
$421K
116
$413K
117
$409K
118
$378K
119
$376K
120
$373K
121
$372K
122
$368K
123
$361K
124
$356K
125
$353K