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Mammoth Energy Services
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Overview Fund Activity

136 hedge funds and large institutions have $1.02B invested in Mammoth Energy Services in 2018 Q3 according to their latest regulatory filings, with 33 funds opening new positions, 52 increasing their positions, 41 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
136
Holders Change
-8
Holders Change %
-5.56%
% of All Funds
3.11%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
33
Increased
52
Reduced
41
Closed
40
Calls
$2.89M
Puts
$3.55M
Net Calls
-$665K
Net Calls Change
-$665K

Top Buyers

1
Russell Investments Group
1
Russell Investments Group
United Kingdom
$21.6M
2
Allianz Asset Management
2
Allianz Asset Management
Germany
$13.1M
3
AQR Capital Management
3
AQR Capital Management
Connecticut
$10.9M
4
TA
4
Teachers Advisors
New York
$8.11M
5
Prudential Financial
5
Prudential Financial
New Jersey
$14.2M

Top Sellers

1
WC
1
Wexford Capital
Florida
$640M
2
CS
2
Credit Suisse
Switzerland
$240K
3
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$21.3M
4
MIM
4
Monashee Investment Management
Massachusetts
$0
5
LCM
5
Laurion Capital Management
New York
$462K
Name Holding Trade Value Shares
Change 		Shares
Change %
Credit Agricole
151
Credit Agricole
France
– -$816K -24,000 Closed
DTL
152
Dynamic Technology Lab
Singapore
– -$773K -22,757 Closed
EOCM
153
Energy Opportunities Capital Management
Texas
– -$591K -17,390 Closed
HCM
154
Hodges Capital Management
Texas
– -$509K -15,000 Closed
B
155
Bailard
California
– -$411K -12,110 Closed
OAM
156
Oxford Asset Management
United Kingdom
– -$385K -11,302 Closed
OAC
157
OMERS Administration Corp
Ontario, Canada
– -$374K -11,000 Closed
RJA
158
Raymond James & Associates
Florida
– -$368K -10,834 Closed
QC
159
Quadrature Capital
United Kingdom
– -$357K -10,499 Closed
BFM
160
Boothbay Fund Management
New York
– -$286K -8,435 Closed
QT
161
Quantbot Technologies
New York
– -$272K -8,010 Closed
AIMCA
162
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
– -$272K -8,000 Closed
Manulife (Manufacturers Life Insurance)
163
Manulife (Manufacturers Life Insurance)
Ontario, Canada
– -$258K -7,593 Closed
EGM
164
Engineers Gate Manager
New York
– -$225K -6,627 Closed
MF
165
Magnetar Financial
Illinois
– -$223K -6,570 Closed
PCP
166
Proficio Capital Partners
Massachusetts
– -$215K -6,320 Closed
Brown Advisory
167
Brown Advisory
Maryland
– -$206K -6,078 Closed
SG Americas Securities
168
SG Americas Securities
New York
– -$141K -4,141 Closed
WEC
169
Winslow Evans & Crocker
Massachusetts
– -$122K -3,576 Closed
PCM
170
Penserra Capital Management
California
– -$91K -2,700 Closed
MYIA
171
Mount Yale Investment Advisors
Colorado
– -$35K -1,019 Closed
New York State Teachers Retirement System (NYSTRS)
172
New York State Teachers Retirement System (NYSTRS)
New York
– -$24K -700 Closed
SPIA
173
Steward Partners Investment Advisory
New York
– -$5K -150 Closed
PIA
174
Piedmont Investment Advisors
North Carolina
– -$5K -147 Closed
MIM
175
Monashee Investment Management
Massachusetts
– -$13.6M – –
3 4 5 6
7