220 hedge funds and large institutions have $1.42B invested in Tenaris in 2025 Q2 according to their latest regulatory filings, with 37 funds opening new positions, 87 increasing their positions, 68 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

17% less capital invested

Capital invested by funds: $1.71B → $1.42B (-$297M)

34% less call options, than puts

Call options by funds: $7.46M | Put options by funds: $11.3M

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
220
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$7.46M
Puts
$11.3M
Net Calls
Net Calls Change

Top Sellers

1 -$93.4M
2 -$76.4M
3 -$46.9M
4
MIM
Merewether Investment Management
Texas
-$28.4M
5
Morgan Stanley
Morgan Stanley
New York
-$26.6M
Name Holding Trade Value Shares
Change
Change in
Stake
SIA
126
Strategic Investment Advisors
Michigan
$369K
Mitsubishi UFJ Asset Management
127
Mitsubishi UFJ Asset Management
Japan
$364K
OAC
128
OMERS Administration Corp
Ontario, Canada
$359K
YCM
129
Yousif Capital Management
Michigan
$357K
Wells Fargo
130
Wells Fargo
California
$346K
JHCP
131
Jackson Hole Capital Partners
Oklahoma
$346K
Wealth Enhancement Advisory Services
132
Wealth Enhancement Advisory Services
Minnesota
$345K
MML Investors Services
133
MML Investors Services
Massachusetts
$331K
RhumbLine Advisers
134
RhumbLine Advisers
Massachusetts
$314K
RS
135
R Squared
Hong Kong
$308K
PNC Financial Services Group
136
PNC Financial Services Group
Pennsylvania
$299K
AAM
137
Advisors Asset Management
Colorado
$297K
Russell Investments Group
138
Russell Investments Group
United Kingdom
$280K
BC
139
Bridgefront Capital
Texas
$269K
IC
140
IEQ Capital
California
$257K
YIH
141
Y-Intercept (HK)
Hong Kong
$247K
WFI
142
West Family Investments
California
$242K
PWPS
143
Pinnacle Wealth Planning Services
Ohio
$240K
Franklin Resources
144
Franklin Resources
California
$230K
GT
145
Greenleaf Trust
Michigan
$226K
MOS
146
MGO One Seven
Ohio
$222K
TRCT
147
Tower Research Capital (TRC)
New York
$221K
BWM
148
Baron Wealth Management
Michigan
$219K
SRL
149
Scientech Research LLC
New Jersey
$214K
BIG
150
Brooklyn Investment Group
New York
$209K