226 hedge funds and large institutions have $1.27B invested in Tenaris in 2025 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 74 increasing their positions, 70 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

1% less capital invested

Capital invested by funds: $1.28B → $1.27B (-$10.4M)

42% less call options, than puts

Call options by funds: $3.39M | Put options by funds: $5.83M

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
226
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
$3.39M
Puts
$5.83M
Net Calls
Net Calls Change

Top Buyers

1 +$35.5M
2 +$21.1M
3 +$17.6M
4
VanEck Associates
VanEck Associates
New York
+$15.8M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$10.3M

Top Sellers

1 -$51.2M
2 -$32.4M
3 -$27.7M
4
Millennium Management
Millennium Management
New York
-$16.1M
5
Renaissance Technologies
Renaissance Technologies
New York
-$14.9M
Name Holding Trade Value Shares
Change
Change in
Stake
HCMT
51
Highland Capital Management (Tennessee)
Tennessee
$1.69M
New York State Common Retirement Fund
52
New York State Common Retirement Fund
New York
$1.65M
IQI
53
Integrated Quantitative Investments
Washington
$1.65M
Mercer Global Advisors
54
Mercer Global Advisors
Colorado
$1.55M
Pathstone Holdings
55
Pathstone Holdings
New Jersey
$1.49M
GC
56
Guggenheim Capital
Illinois
$1.39M
LIP
57
Lighthouse Investment Partners
Florida
$1.38M
EWA
58
Exencial Wealth Advisors
Oklahoma
$1.35M
BNP Paribas Financial Markets
59
BNP Paribas Financial Markets
France
$1.31M
CL
60
CSS LLC
Illinois
$1.31M
Mariner
61
Mariner
Kansas
$1.2M
Cerity Partners
62
Cerity Partners
New York
$1.16M
Susquehanna International Group
63
Susquehanna International Group
Pennsylvania
$1.14M
Envestnet Asset Management
64
Envestnet Asset Management
Illinois
$1.1M
MCM
65
Mork Capital Management
California
$1.09M
VFM
66
Viking Fund Management
North Dakota
$1.08M
Vanguard Group
67
Vanguard Group
Pennsylvania
$1.02M
HWAM
68
Hennion & Walsh Asset Management
New Jersey
$956K
CFO
69
Callan Family Office
Pennsylvania
$909K
LNWTC
70
Laird Norton Wetherby Trust Company
Washington
$903K
ECM
71
Evergreen Capital Management
Washington
$890K
Ameriprise
72
Ameriprise
Minnesota
$880K
VPIM
73
Vanguard Personalized Indexing Management
California
$874K
CWM
74
Cadence Wealth Management
Massachusetts
$846K
Capital Fund Management (CFM)
75
Capital Fund Management (CFM)
France
$839K