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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 %
SIM
51
Spark Investment Management
New York
$1.34M +$1.34M +46,200 New
Bank of New York Mellon
52
Bank of New York Mellon
New York
$1.31M -$580K -19,941 -31%
Deutsche Bank
53
Deutsche Bank
Germany
$1.25M +$409K +14,038 +49%
Morgan Stanley
54
Morgan Stanley
New York
$1.19M -$460K -15,803 -28%
Renaissance Technologies
55
Renaissance Technologies
New York
$1.15M -$5.67M -194,768 -83%
Two Sigma Advisers
56
Two Sigma Advisers
New York
$1.11M +$1.11M +38,200 New
CGM
57
Centenus Global Management
New York
$1.11M +$1.11M +38,000 New
QI
58
QS Investors
New York
$1.1M – – –
BCM
59
Bridgeway Capital Management
Texas
$1.1M -$69.9K -2,403 -6%
American Century Companies
60
American Century Companies
Missouri
$1.08M +$551K +18,936 +105%
MAM
61
Martingale Asset Management
Massachusetts
$1M -$105K -3,595 -9%
NFG
62
Next Financial Group
Texas
$973K +$676K +23,250 +228%
Barclays
63
Barclays
United Kingdom
$885K +$766K +26,312 +641%
Tudor Investment Corp
64
Tudor Investment Corp
Connecticut
$782K +$329K +11,312 +73%
AG
65
Algert Global
California
$771K +$771K +26,480 New
Jane Street
66
Jane Street
New York
$722K -$624K -21,448 -46%
SO
67
STRS Ohio
Ohio
$721K +$721K +24,800 New
VRS
68
Virginia Retirement Systems
Virginia
$629K +$84.4K +2,900 +16%
Squarepoint
69
Squarepoint
New York
$614K +$161K +5,518 +35%
EWM
70
Evercore Wealth Management
New York
$582K – – –
USAA
71
United Services Automobile Association
Texas
$569K +$569K +19,559 New
California State Teachers Retirement System (CalSTRS)
72
California State Teachers Retirement System (CalSTRS)
California
$554K +$176K +6,051 +47%
CEP
73
Chicago Equity Partners
Illinois
$538K -$867K -29,815 -62%
NSEDCP
74
NJ State Employees Deferred Compensation Plan
New Jersey
$524K +$116K +4,000 +29%
PPA
75
Parametric Portfolio Associates
Washington
$522K -$1.22M -41,926 -70%
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