186 hedge funds and large institutions have $2.92B invested in Tenaris in 2018 Q1 according to their latest regulatory filings, with 40 funds opening new positions, 56 increasing their positions, 55 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
186
Holders Change
+9
Holders Change %
+5.08%
% of All Funds
4.27%
Holding in Top 10
9
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+12.5%
% of All Funds
0.21%
New
40
Increased
56
Reduced
55
Closed
29
Calls
$2.95M
Puts
$7.01M
Net Calls
-$4.06M
Net Calls Change
-$5.11M
Name Holding Trade Value Shares
Change
Shares
Change %
HL
1
Harding Loevner
New Jersey
$561M +$42.2M +1,222,911 +8%
WGI
2
Westwood Global Investments
Massachusetts
$272M +$50.2K +1,447 +0%
Aberdeen Group
3
Aberdeen Group
United Kingdom
$222M -$58.5M -1,686,500 -21%
RL
4
Ruffer LLP
United Kingdom
$208M -$7.19M -210,877 -3%
Millennium Management
5
Millennium Management
New York
$152M +$91.1M +2,628,095 +149%
VanEck Associates
6
VanEck Associates
New York
$130M -$7.59M -218,999 -6%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$111M +$82.3K +2,375 +0.1%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$110M -$100K -2,896 -0.1%
LM
9
Luminus Management
Texas
$90.6M -$32.9M -949,994 -27%
Viking Global Investors
10
Viking Global Investors
Connecticut
$89M +$89M +2,566,963 New
Mackenzie Financial
11
Mackenzie Financial
Ontario, Canada
$73M -$2.53M -72,892 -3%
WRF
12
Waddell & Reed Financial
Kansas
$70.8M +$3.17M +91,300 +5%
WHG
13
Westwood Holdings Group
Texas
$64.4M -$6.79M -195,968 -10%
ACM
14
Arosa Capital Management
Florida
$48.2M +$48.2M +1,390,000 New
Citadel Advisors
15
Citadel Advisors
Florida
$48M +$36.7M +1,057,926 +323%
Lazard Asset Management
16
Lazard Asset Management
New York
$46.6M +$37.7M +1,087,418 +424%
DCM
17
Discovery Capital Management
Connecticut
$31.6M +$31.6M +912,800 New
SCM
18
SIR Capital Management
New York
$30.2M +$25.5M +735,446 +539%
AI
19
Ariel Investments
Illinois
$28.5M +$941K +27,132 +3%
Legal & General Group
20
Legal & General Group
United Kingdom
$28.1M -$3.97M -114,589 -12%
Fidelity Investments
21
Fidelity Investments
Massachusetts
$27M +$27M +778,000 New
State Street
22
State Street
Massachusetts
$26.4M +$25.7M +742,122 +3,960%
DCM
23
Driehaus Capital Management
Illinois
$24.9M +$24.9M +716,782 New
NIMC
24
NWQ Investment Management Company
California
$23.6M -$456K -13,144 -2%
Jennison Associates
25
Jennison Associates
New York
$22.3M -$8.05M -232,262 -27%