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Mammoth Energy Services
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Overview Fund Activity

130 hedge funds and large institutions have $655M invested in Mammoth Energy Services in 2018 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 50 increasing their positions, 44 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
130
Holders Change
-6
Holders Change %
-4.41%
% of All Funds
2.9%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
18
Increased
50
Reduced
44
Closed
24
Calls
$1.86M
Puts
$2.1M
Net Calls
-$241K
Net Calls Change
+$424K

Top Buyers

1
Russell Investments Group
1
Russell Investments Group
United Kingdom
$25.3M
2
Boston Partners
2
Boston Partners
Massachusetts
$16.2M
3
Bank of New York Mellon
3
Bank of New York Mellon
New York
$6.13M
4
Allianz Asset Management
4
Allianz Asset Management
Germany
$13.2M
5
BCM
5
Bridgeway Capital Management
Texas
$4.52M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$2.53M
2
Citadel Advisors
2
Citadel Advisors
Florida
$799K
3
NC
3
Northpointe Capital
Michigan
$3.04M
4
HK
4
Horizon Kinetics
New York
$0
5
GAM
5
Gotham Asset Management
New York
$1.94M
Name Holding Trade Value Shares
Change 		Shares
Change %
NSEDCP
76
NJ State Employees Deferred Compensation Plan
New Jersey
$324K – – –
RhumbLine Advisers
77
RhumbLine Advisers
Massachusetts
$310K +$113K +6,283 +57%
AA
78
ALPS Advisors
Colorado
$294K -$11.8K -655 -4%
Marshall Wace
79
Marshall Wace
United Kingdom
$290K +$290K +16,121 New
VRS
80
Virginia Retirement Systems
Virginia
$288K -$101K -5,600 -26%
Swiss National Bank
81
Swiss National Bank
Switzerland
$284K +$27K +1,500 +10%
QCM
82
Quantinno Capital Management
New York
$273K +$273K +15,173 New
GC
83
Globeflex Capital
California
$264K – – –
Capital Fund Management (CFM)
84
Capital Fund Management (CFM)
France
$264K +$264K +14,700 New
CEP
85
Chicago Equity Partners
Illinois
$259K -$73.1K -4,075 -22%
MFIM
86
Mesirow Financial Investment Management
Illinois
$243K – – –
GC
87
Guggenheim Capital
Illinois
$225K -$32.6K -1,818 -13%
BF
88
BOK Financial
Oklahoma
$222K +$222K +12,347 New
WG
89
Winton Group
United Kingdom
$219K -$10K -557 -4%
CS
90
Credit Suisse
Switzerland
$208K +$60.3K +3,358 +41%
EA
91
Emerald Advisers
Pennsylvania
$200K +$50.3K +2,796 +34%
PCM
92
Prelude Capital Management
New York
$200K +$166K +9,240 +496%
TI
93
Trexquant Investment
Connecticut
$197K -$80.7K -4,489 -29%
AG
94
Aperio Group
California
$196K +$45.2K +2,509 +30%
ECM
95
Element Capital Management
New York
$188K -$54.7K -3,048 -23%
FA
96
Fortis Advisors
Pennsylvania
$172K +$172K +9,593 New
SAM
97
Shell Asset Management
Netherlands
$151K -$12.6K -700 -8%
AIG
98
American International Group
New York
$148K -$1.15K -64 -0.8%
UBS Group
99
UBS Group
Switzerland
$122K -$39.9K -2,211 -25%
MIM
100
MetLife Investment Management
New Jersey
$113K – – –
2 3
4
5 6