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
51
$3.82M
52
$3.17M
53
$3.14M
54
$3.1M
55
$3.06M
56
$3.04M
57
$2.81M
58
$2.64M
59
$2.5M
60
$2.35M
61
$2.32M
62
$2.29M
63
$1.94M
64
$1.93M
65
$1.83M
66
$1.83M
67
$1.52M
68
$1.41M
69
$1.38M
70
$1.37M
71
$1.25M
72
$1.23M
73
$1.22M
74
$1.18M
75
$1.16M