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Mammoth Energy Services
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Overview Fund Activity

100 hedge funds and large institutions have $249M invested in Mammoth Energy Services in 2019 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 42 increasing their positions, 33 reducing their positions, and 49 closing their positions.

Holders
100
Holders Change
-36
Holders Change %
-26.47%
% of All Funds
2.18%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
16
Increased
42
Reduced
33
Closed
49
Calls
$306K
Puts
$1.19M
Net Calls
-$883K
Net Calls Change
-$472K

Top Buyers

1
Russell Investments Group
1
Russell Investments Group
United Kingdom
$13.1M
2
Boston Partners
2
Boston Partners
Massachusetts
$6.6M
3
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$13.3M
4
Hotchkis & Wiley Capital Management
4
Hotchkis & Wiley Capital Management
California
$4.31M
5
Nuveen Asset Management
5
Nuveen Asset Management
Illinois
$2.03M

Top Sellers

1
Allianz Asset Management
1
Allianz Asset Management
Germany
$0
2
PCM
2
Penn Capital Management
Pennsylvania
$0
3
CAM
3
Cortina Asset Management
Wisconsin
$0
4
Marshall Wace
4
Marshall Wace
United Kingdom
$0
5
CEI
5
Clark Estates Inc
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
CAM
101
Cortina Asset Management
Wisconsin
– -$3.16M -189,666 Closed
Marshall Wace
102
Marshall Wace
United Kingdom
– -$3.04M -182,530 Closed
CEI
103
Clark Estates Inc
New York
– -$2.26M -136,000 Closed
Franklin Resources
104
Franklin Resources
California
– -$2.22M -133,327 Closed
AAMU
105
Amundi Asset Management US
Massachusetts
– -$1.66M -99,486 Closed
Man Group
106
Man Group
United Kingdom
– -$1.61M -96,666 Closed
FHC
107
Forest Hill Capital
Arkansas
– -$1.46M -87,500 Closed
MSL
108
Mackay Shields LLC
New York
– -$1.2M -72,059 Closed
Arrowstreet Capital
109
Arrowstreet Capital
Massachusetts
– -$1.14M -68,467 Closed
Luther King Capital Management (LKCM)
110
Luther King Capital Management (LKCM)
Texas
– -$1.06M -63,695 Closed
Norges Bank
111
Norges Bank
Norway
– -$999K -60,000 Closed
PNC Financial Services Group
112
PNC Financial Services Group
Pennsylvania
– -$893K -53,592 Closed
GAM
113
Gotham Asset Management
New York
– -$852K -51,200 Closed
VIA
114
Vident Investment Advisory
Georgia
– -$807K -48,443 Closed
Cambridge Investment Research Advisors
115
Cambridge Investment Research Advisors
Iowa
– -$598K -35,929 Closed
JIR
116
James Investment Research
Ohio
– -$536K -32,175 Closed
QI
117
QS Investors
New York
– -$505K -30,303 Closed
American Century Companies
118
American Century Companies
Missouri
– -$480K -28,842 Closed
MFIM
119
Mesirow Financial Investment Management
Illinois
– -$445K -26,747 Closed
MRI
120
Mad River Investors
Massachusetts
– -$430K -25,800 Closed
SG Americas Securities
121
SG Americas Securities
New York
– -$363K -21,823 Closed
AAP
122
Ardsley Advisory Partners
Connecticut
– -$333K -20,000 Closed
GC
123
Guggenheim Capital
Illinois
– -$328K -19,682 Closed
PP
124
Paloma Partners
Connecticut
– -$313K -18,780 Closed
Squarepoint
125
Squarepoint
New York
– -$307K -18,452 Closed
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5
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