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Mammoth Energy Services
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Overview Fund Activity

87 hedge funds and large institutions have $85.5M invested in Mammoth Energy Services in 2019 Q3 according to their latest regulatory filings, with 10 funds opening new positions, 37 increasing their positions, 29 reducing their positions, and 23 closing their positions.

Holders
87
Holders Change
-13
Holders Change %
-13%
% of All Funds
1.91%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
10
Increased
37
Reduced
29
Closed
23
Calls
$168K
Puts
$52K
Net Calls
+$116K
Net Calls Change
+$999K

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$2M
2
Hotchkis & Wiley Capital Management
2
Hotchkis & Wiley Capital Management
California
$2.27M
3
Russell Investments Group
3
Russell Investments Group
United Kingdom
$5.36M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$879K
5
Goldman Sachs
5
Goldman Sachs
New York
$752K

Top Sellers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$483K
2
Principal Financial Group
2
Principal Financial Group
Iowa
$28K
3
State of New Jersey Common Pension Fund D
3
State of New Jersey Common Pension Fund D
New Jersey
$0
4
Boston Partners
4
Boston Partners
Massachusetts
$941K
5
MCM
5
Matarin Capital Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Allianz Asset Management
26
Allianz Asset Management
Germany
$278K +$278K +111,811 New
EGM
27
Engineers Gate Manager
New York
$270K +$205K +82,495 +314%
AAP
28
Ardsley Advisory Partners
Connecticut
$248K +$248K +100,000 New
ZCM
29
Zebra Capital Management
Connecticut
$225K +$84.8K +34,158 +60%
AQR Capital Management
30
AQR Capital Management
Connecticut
$208K -$139K -56,181 -40%
SO
31
STRS Ohio
Ohio
$202K – – –
Deutsche Bank
32
Deutsche Bank
Germany
$198K -$460K -186,266 -70%
Walleye Capital
33
Walleye Capital
New York
$193K +$124K +50,143 +182%
Walleye Trading
34
Walleye Trading
New York
$177K +$113K +45,371 +176%
LSV Asset Management
35
LSV Asset Management
Illinois
$174K -$3.46K -1,400 -2%
SEI Investments
36
SEI Investments
Pennsylvania
$174K +$24K +9,668 +16%
Charles Schwab
37
Charles Schwab
California
$173K +$9.62K +3,871 +6%
KC
38
Kepos Capital
New York
$172K – – –
Voloridge Investment Management
39
Voloridge Investment Management
Florida
$134K +$134K +54,187 New
AllianceBernstein
40
AllianceBernstein
Tennessee
$129K -$364K -146,880 -74%
Prudential Financial
41
Prudential Financial
New Jersey
$120K -$42.7K -17,250 -26%
PPA
42
Parametric Portfolio Associates
Washington
$119K -$120K -48,318 -50%
Susquehanna International Group
43
Susquehanna International Group
Pennsylvania
$111K -$66.1K -26,616 -37%
LCAM
44
London & Capital Asset Management
United Kingdom
$92K +$8.32K +3,339 +10%
Wells Fargo
45
Wells Fargo
California
$91K -$21.7K -8,710 -19%
JG
46
Jefferies Group
New York
$79K +$27.7K +11,208 +54%
Renaissance Technologies
47
Renaissance Technologies
New York
$70K -$600K -241,251 -90%
Bank of America
48
Bank of America
North Carolina
$64K -$26.1K -10,337 -29%
Swiss National Bank
49
Swiss National Bank
Switzerland
$62K – – –
NSEDCP
50
NJ State Employees Deferred Compensation Plan
New Jersey
$60K -$60K -24,000 -50%
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