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Mammoth Energy Services
TUSK

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 %
Goldman Sachs
51
Goldman Sachs
New York
$992K +$28.9K +1,610 +3%
BPM
52
Bowling Portfolio Management
Ohio
$985K +$87.2K +4,853 +10%
Barclays
53
Barclays
United Kingdom
$846K +$300K +16,688 +55%
Citadel Advisors
54
Citadel Advisors
Florida
$799K -$3.48M -193,708 -81%
Jane Street
55
Jane Street
New York
$776K +$330K +18,345 +74%
GCP
56
GSA Capital Partners
United Kingdom
$757K -$162K -9,027 -18%
QI
57
QS Investors
New York
$683K – – –
American Century Companies
58
American Century Companies
Missouri
$654K -$11.3K -628 -2%
SRAM
59
Stone Ridge Asset Management
New York
$642K +$386K +21,460 +151%
Two Sigma Advisers
60
Two Sigma Advisers
New York
$631K -$55.7K -3,100 -8%
Deutsche Bank
61
Deutsche Bank
Germany
$629K -$138K -7,681 -18%
NFG
62
Next Financial Group
Texas
$604K +$2.61K +145 +0.4%
AG
63
Algert Global
California
$568K +$91.9K +5,114 +19%
MRI
64
Mad River Investors
Massachusetts
$536K -$423K -23,500 -44%
Morgan Stanley
65
Morgan Stanley
New York
$493K -$246K -13,659 -33%
OSAM
66
O'Shaughnessy Asset Management
Connecticut
$464K +$237K +13,202 +105%
EWM
67
Evercore Wealth Management
New York
$450K +$90K +5,000 +25%
SO
68
STRS Ohio
Ohio
$445K – – –
USAA
69
United Services Automobile Association
Texas
$436K +$84.5K +4,704 +24%
ZCM
70
Zebra Capital Management
Connecticut
$429K +$429K +23,885 New
PPA
71
Parametric Portfolio Associates
Washington
$398K +$75.8K +4,215 +24%
Envestnet Asset Management
72
Envestnet Asset Management
Illinois
$388K +$388K +21,589 New
California State Teachers Retirement System (CalSTRS)
73
California State Teachers Retirement System (CalSTRS)
California
$383K +$41.2K +2,292 +12%
T. Rowe Price Associates
74
T. Rowe Price Associates
Maryland
$337K +$61.6K +3,424 +22%
Squarepoint
75
Squarepoint
New York
$326K -$52.8K -2,943 -14%
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