224 hedge funds and large institutions have $1.71B invested in Tenaris in 2025 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 72 increasing their positions, 81 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: 231224 (-7)

11% less repeat investments, than reductions

Existing positions increased: 72 | Existing positions reduced: 81

Holders
224
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
$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
Envestnet Asset Management
126
Envestnet Asset Management
Illinois
$343K
CFO
127
Callan Family Office
Pennsylvania
$325K
PNC Financial Services Group
128
PNC Financial Services Group
Pennsylvania
$316K
RhumbLine Advisers
129
RhumbLine Advisers
Massachusetts
$315K
CAM
130
Cresset Asset Management
Illinois
$313K
HAI
131
Hennessy Advisors Inc
California
$274K
SSA
132
Schonfeld Strategic Advisors
New York
$266K
PSP
133
Principal Street Partners
Tennessee
$257K
WFI
134
West Family Investments
California
$252K
PAS
135
Park Avenue Securities
New York
$245K
Squarepoint
136
Squarepoint
New York
$240K
Franklin Resources
137
Franklin Resources
California
$238K
PWPS
138
Pinnacle Wealth Planning Services
Ohio
$233K
MOS
139
MGO One Seven
Ohio
$221K
UCFA
140
United Capital Financial Advisors
Texas
$215K
BWM
141
Baron Wealth Management
Michigan
$214K
BP
142
Ballentine Partners
Massachusetts
$210K
DOA
143
D'Orazio & Associates
Virginia
$209K
CGL
144
Clarius Group LLC
Washington
$207K
IWC
145
Integrated Wealth Concepts
Massachusetts
$203K
TWPM
146
Total Wealth Planning & Management
Florida
$202K
RF
147
Rossby Financial
Florida
$180K
PA
148
Parallel Advisors
California
$160K
VIA
149
Virtus Investment Advisers
Connecticut
$158K
Russell Investments Group
150
Russell Investments Group
United Kingdom
$142K