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Tenaris
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Overview Fund Activity

171 hedge funds and large institutions have $1.85B invested in Tenaris in 2018 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 44 increasing their positions, 65 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
171
Holders Change
-5
Holders Change %
-2.84%
% of All Funds
3.82%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.02%
New
41
Increased
44
Reduced
65
Closed
45
Calls
$3.65M
Puts
$684K
Net Calls
+$2.97M
Net Calls Change
+$6.54M

Top Buyers

1
Aberdeen Group
Aberdeen Group
United Kingdom
$236M
2
Renaissance Technologies
Renaissance Technologies
New York
$49.8M
3
KL
KGH Ltd
Bahamas
$48.9M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$40.4M
5
Deutsche Bank
Deutsche Bank
Germany
$37M

Top Sellers

1
Viking Global Investors
Viking Global Investors
Connecticut
$0
2
Lazard Asset Management
Lazard Asset Management
New York
$8.75M
3
Citadel Advisors
Citadel Advisors
Florida
$7.18M
4
ECU
Egerton Capital (UK)
United Kingdom
$160M
5
WGI
Westwood Global Investments
Massachusetts
$166M
Name Holding Trade Value Shares
Change 		Shares
Change %
Russell Investments Group
26
Russell Investments Group
United Kingdom
$8.67M -$2.64M -123,589 -23%
Marshall Wace
27
Marshall Wace
United Kingdom
$8.58M +$8.58M +402,409 New
OMC
28
Old Mission Capital
Illinois
$7.66M +$2.73M +128,150 +56%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$7.62M +$2.43M +113,906 +47%
Vanguard Group
30
Vanguard Group
Pennsylvania
$7.58M +$217K +10,198 +3%
Goldman Sachs
31
Goldman Sachs
New York
$7.24M +$740K +34,698 +11%
Citadel Advisors
32
Citadel Advisors
Florida
$7.18M -$41.6M -1,951,087 -85%
SCM
33
SIR Capital Management
New York
$7.01M -$5.75M -269,900 -45%
PNC Financial Services Group
34
PNC Financial Services Group
Pennsylvania
$6.71M -$785K -36,814 -10%
PPA
35
Parametric Portfolio Associates
Washington
$6.38M -$2.18M -102,168 -25%
AG
36
Aperio Group
California
$6.22M +$931K +43,681 +18%
Norges Bank
37
Norges Bank
Norway
$6.19M – – –
JPMorgan Chase & Co
38
JPMorgan Chase & Co
New York
$6.13M +$6.11M +286,412 +23,381%
Invesco
39
Invesco
Georgia
$5.46M +$700K +32,852 +15%
Fidelity Investments
40
Fidelity Investments
Massachusetts
$4.81M -$129K -6,061 -3%
Capital Fund Management (CFM)
41
Capital Fund Management (CFM)
France
$4.71M +$2.23M +104,452 +90%
CIP
42
Chartwell Investment Partners
Pennsylvania
$4.53M -$1.42M -66,760 -24%
CS
43
Credit Suisse
Switzerland
$3.87M +$2.02M +94,903 +109%
PSCM
44
Prince Street Capital Management
New York
$3.73M +$3.73M +175,000 New
Jane Street
45
Jane Street
New York
$3.65M -$11.2M -519,016 -75%
Bank of America
46
Bank of America
North Carolina
$3.62M -$1.43M -66,933 -28%
CSS
47
Cubist Systematic Strategies
Connecticut
$3.38M +$3.13M +146,876 +1,244%
GIA
48
Granite Investment Advisors
New Hampshire
$3.31M -$741K -34,760 -18%
MWNA
49
Marshall Wace North America
New York
$3.3M -$3.55M -166,558 -52%
BS
50
Banco Santander
Spain
$3.27M – – –
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