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Tenaris
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Overview Fund Activity

218 hedge funds and large institutions have $1.42B invested in Tenaris in 2025 Q2 according to their latest regulatory filings, with 36 funds opening new positions, 87 increasing their positions, 67 reducing their positions, and 38 closing their positions.

Holders
218
Holders Change
-6
Holders Change %
-2.68%
% of All Funds
2.93%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
36
Increased
87
Reduced
67
Closed
38
Calls
$5.68M
Puts
$9.4M
Net Calls
-$3.72M
Net Calls Change
-$4.11M

Top Buyers

1
SG
1
Sourcerock Group
Colorado
$115M
2
SCM
2
SIR Capital Management
New York
$25.8M
3
UBS Group
3
UBS Group
Switzerland
$59.3M
4
Capstone Investment Advisors
4
Capstone Investment Advisors
New York
$34.5M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$35.2M

Top Sellers

1
ACM
1
Alua Capital Management
New York
$0
2
Citadel Advisors
2
Citadel Advisors
Florida
$64.4M
3
Holocene Advisors
3
Holocene Advisors
New York
$0
4
MIM
4
Merewether Investment Management
Texas
$20M
5
Morgan Stanley
5
Morgan Stanley
New York
$41.8M
Name Market Value Shares Shares
Change 		Shares
Change %
KK
76
KLP Kapitalforvaltning
Norway
$1.12M 30,000 +30,000 New
ATPW
77
Ashton Thomas Private Wealth
Arizona
$1.1M 29,511 +1,080 +4%
GCM
78
Graham Capital Management
Connecticut
$1.1M 29,409 +29,409 New
CIP
79
Capital Insight Partners
Arizona
$1.09M 29,130 -85,932 -75%
QT
80
Quantbot Technologies
New York
$1.07M 28,516 +28,516 New
VFM
81
Viking Fund Management
North Dakota
$1.05M 28,000 +3,000 +12%
Vanguard Group
82
Vanguard Group
Pennsylvania
$994K 26,589 -2,945 -10%
TIM
83
Thornburg Investment Management
New Mexico
$936K 25,031 +3,968 +19%
VPIM
84
Vanguard Personalized Indexing Management
California
$932K 24,915 +2,954 +13%
CL
85
CSS LLC
Illinois
$931K 24,890 -7,040 -22%
Cerity Partners
86
Cerity Partners
New York
$888K 23,732 +90 +0.4%
Ameriprise
87
Ameriprise
Minnesota
$866K 23,154 -876 -4%
CWM
88
Cornerstone Wealth Management
Missouri
$864K 23,099 +670 +3%
Corient Private Wealth
89
Corient Private Wealth
Florida
$845K 22,601 +11,693 +107%
LPL Financial
90
LPL Financial
California
$829K 22,179 -350 -2%
Mercer Global Advisors
91
Mercer Global Advisors
Colorado
$821K 21,947 -24,840 -53%
CWM
92
Cadence Wealth Management
Massachusetts
$771K 20,618 +1,574 +8%
ECM
93
Evergreen Capital Management
Washington
$757K 20,250 -270 -1%
Walleye Trading
94
Walleye Trading
New York
$757K 20,247 +20,247 New
GF
95
Gabelli Funds
New York
$748K 20,000 – –
CFO
96
Callan Family Office
Pennsylvania
$682K 18,232 +9,926 +120%
S
97
SignatureFD
Georgia
$677K 18,089 -278 -2%
VA
98
Vident Advisory
Georgia
$655K 17,509 +2,513 +17%
Squarepoint
99
Squarepoint
New York
$639K 17,092 +10,959 +179%
LNWWM
100
Laird Norton Wetherby Wealth Management
California
$635K 16,976 +16,976 New
2 3
4
5 6