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Mammoth Energy Services
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Overview Fund Activity

144 hedge funds and large institutions have $1.25B invested in Mammoth Energy Services in 2018 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 56 increasing their positions, 28 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
144
Holders Change
+37
Holders Change %
+34.58%
% of All Funds
3.3%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
52
Increased
56
Reduced
28
Closed
14
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
CS
1
Credit Suisse
Switzerland
$20.3M
2
LCM
2
Laurion Capital Management
New York
$13.9M
3
HK
3
Horizon Kinetics
New York
$12.6M
4
Principal Financial Group
4
Principal Financial Group
Iowa
$26.9M
5
Prudential Financial
5
Prudential Financial
New Jersey
$7.89M

Top Sellers

1
WC
1
Wexford Capital
Florida
$808M
2
DCM
2
Driehaus Capital Management
Illinois
$5.9M
3
TAM
3
THB Asset Management
Connecticut
$2.59M
4
Deutsche Bank
4
Deutsche Bank
Germany
$976K
5
CAM
5
Cortina Asset Management
Wisconsin
$6.28M
Name Holding Trade Value Shares
Change 		Shares
Change %
American Century Companies
76
American Century Companies
Missouri
$613K – – –
KC
77
Kepos Capital
New York
$603K +$603K +17,750 New
UBS Group
78
UBS Group
Switzerland
$596K +$72.9K +2,146 +14%
AllianceBernstein
79
AllianceBernstein
Tennessee
$594K +$217K +6,400 +58%
EOCM
80
Energy Opportunities Capital Management
Texas
$591K – – –
TA
81
Teachers Advisors
New York
$588K +$76.2K +2,242 +15%
TRCT
82
Tower Research Capital (TRC)
New York
$577K +$577K +16,988 New
Squarepoint
83
Squarepoint
New York
$529K +$23.2K +682 +5%
Tudor Investment Corp
84
Tudor Investment Corp
Connecticut
$529K +$529K +15,578 New
AA
85
ALPS Advisors
Colorado
$527K -$24.7K -728 -4%
HCM
86
Hodges Capital Management
Texas
$509K +$509K +15,000 New
MFIM
87
Mesirow Financial Investment Management
Illinois
$495K -$88.6K -2,610 -15%
Swiss National Bank
88
Swiss National Bank
Switzerland
$486K – – –
NSEDCP
89
NJ State Employees Deferred Compensation Plan
New Jersey
$475K +$475K +14,000 New
GC
90
Globeflex Capital
California
$471K +$372K +10,963 +378%
California State Teachers Retirement System (CalSTRS)
91
California State Teachers Retirement System (CalSTRS)
California
$441K +$24.4K +717 +6%
MC
92
Menta Capital
California
$420K +$420K +12,380 New
B
93
Bailard
California
$411K +$411K +12,110 New
OAM
94
Oxford Asset Management
United Kingdom
$385K -$390K -11,437 -50%
EMG
95
Ellington Management Group
Connecticut
$384K -$839K -24,700 -69%
OAC
96
OMERS Administration Corp
Ontario, Canada
$374K +$374K +11,000 New
RJA
97
Raymond James & Associates
Florida
$368K -$1.8M -53,060 -83%
QC
98
Quadrature Capital
United Kingdom
$357K +$357K +10,499 New
SRAM
99
Stone Ridge Asset Management
New York
$356K – – –
Macquarie Group
100
Macquarie Group
Australia
$355K +$255K +7,500 +254%
2 3
4
5 6