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 %
Royal Bank of Canada
26
Royal Bank of Canada
Ontario, Canada
$17.7M +$533K +13,635 +3%
AssetMark Inc
27
AssetMark Inc
California
$17.6M +$260K +6,653 +2%
Bank of America
28
Bank of America
North Carolina
$15.8M +$11.7M +298,024 +282%
OAG
29
Orbis Allan Gray
Bermuda
$14.8M -$25.4M -649,403 -63%
Pacer Advisors
30
Pacer Advisors
Pennsylvania
$11.3M -$915K -23,388 -7%
Legal & General Group
31
Legal & General Group
United Kingdom
$8.47M -$1.7M -43,551 -17%
Grantham, Mayo, Van Otterloo & Co (GMO)
32
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$8.35M -$8.27M -211,443 -50%
TIM
33
Thornburg Investment Management
New Mexico
$8.24M
ACG
34
Aventail Capital Group
New York
$7.26M
SCM
35
SIR Capital Management
New York
$7.08M -$5.96M -152,370 -46%
KP
36
Kiltearn Partners
United Kingdom
$6.73M -$4.72M -120,600 -41%
Lazard Asset Management
37
Lazard Asset Management
New York
$6.46M +$124K +3,178 +2%
Verition Fund Management
38
Verition Fund Management
Connecticut
$6.44M +$6.44M +164,596 New
D.E. Shaw & Co
39
D.E. Shaw & Co
New York
$6.39M +$6.39M +163,406 New
ECM
40
ExodusPoint Capital Management
New York
$5.95M +$58.5K +1,497 +1%
UBS AM
41
UBS AM
Illinois
$5.46M +$5.46M +139,554 New
AA
42
ABC Arbitrage
France
$5.18M -$27.5M -703,190 -84%
BFM
43
Boothbay Fund Management
New York
$4.91M +$722K +18,466 +17%
CIP
44
Capital Insight Partners
Arizona
$4.5M -$56.5K -1,445 -1%
EI
45
Ethic Inc
New York
$4.46M -$286K -7,256 -6%
SC
46
SummitTX Capital
Texas
$4.21M +$4.21M +107,566 New
LIP
47
Lighthouse Investment Partners
Florida
$4.11M -$2.57M -65,836 -39%
Marshall Wace
48
Marshall Wace
United Kingdom
$4.03M -$12.7M -324,953 -76%
Optiver Holding
49
Optiver Holding
Netherlands
$3.88M -$15.7M -400,302 -80%
SAM
50
Silvercrest Asset Management
New York
$3.82M -$5.28K -135 -0.1%