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
Holders
224
Holders Change
-7
Holders Change %
-3.03%
% of All Funds
3.04%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
34
Increased
72
Reduced
81
Closed
35
Calls
$10.4M
Puts
$10M
Net Calls
+$395K
Net Calls Change
+$14.1M
Name Holding Trade Value Shares
Change
Shares
Change %
OSAM
51
O'Shaughnessy Asset Management
Connecticut
$3.17M +$91.8K +2,346 +3%
QCM
52
QRG Capital Management
Illinois
$3.14M +$2.32M +59,371 +283%
Citigroup
53
Citigroup
New York
$3.1M +$1.14M +29,024 +58%
Capital Fund Management (CFM)
54
Capital Fund Management (CFM)
France
$3.06M -$17.3M -443,317 -85%
Two Sigma Investments
55
Two Sigma Investments
New York
$3.04M
Invesco
56
Invesco
Georgia
$2.81M -$443K -11,318 -14%
OAC
57
OMERS Administration Corp
Ontario, Canada
$2.64M +$2.22M +56,800 +526%
CCIA
58
Campbell & Co Investment Adviser
Maryland
$2.5M -$3.24M -82,848 -56%
EAM
59
Erste Asset Management
Austria
$2.35M
RL
60
Ruffer LLP
United Kingdom
$2.32M -$4.47M -114,317 -66%
QCM
61
Quantinno Capital Management
New York
$2.29M +$475K +12,146 +26%
Jane Street
62
Jane Street
New York
$1.94M -$4.91M -125,658 -72%
HCMT
63
Highland Capital Management (Tennessee)
Tennessee
$1.93M -$141K -3,600 -7%
Mercer Global Advisors
64
Mercer Global Advisors
Colorado
$1.83M +$1.06M +27,214 +139%
MNA
65
Manning & Napier Advisors
New York
$1.83M -$41.6K -1,064 -2%
CGH
66
Crossmark Global Holdings
Texas
$1.52M +$148K +3,788 +11%
Creative Planning
67
Creative Planning
Kansas
$1.41M -$128K -3,281 -8%
Barclays
68
Barclays
United Kingdom
$1.38M +$1.38M +35,255 +176,275%
Pathstone Holdings
69
Pathstone Holdings
New Jersey
$1.37M +$71.3K +1,822 +5%
CL
70
CSS LLC
Illinois
$1.25M -$264K -6,750 -17%
EWA
71
Exencial Wealth Advisors
Oklahoma
$1.23M -$745K -19,051 -38%
Twin Tree Management
72
Twin Tree Management
Texas
$1.22M +$1.22M +31,211 New
Charles Schwab
73
Charles Schwab
California
$1.18M +$128K +3,273 +12%
Vanguard Group
74
Vanguard Group
Pennsylvania
$1.16M -$1.85M -47,351 -62%
Susquehanna International Group
75
Susquehanna International Group
Pennsylvania
$1.12M -$2.99M -76,519 -73%