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Mammoth Energy Services
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Overview Fund Activity

63 hedge funds and large institutions have $623M invested in Mammoth Energy Services in 2017 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 26 increasing their positions, 17 reducing their positions, and 5 closing their positions.

Holders
63
Holders Change
+4
Holders Change %
+6.78%
% of All Funds
1.43%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
9
Increased
26
Reduced
17
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$2.92M
2
NC
2
Northpointe Capital
Michigan
$2.61M
3
CAM
3
Cortina Asset Management
Wisconsin
$6.74M
4
ZIM
4
Zacks Investment Management
Illinois
$1.13M
5
Invesco
5
Invesco
Georgia
$1.03M

Top Sellers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$44.8M
2
American Century Companies
2
American Century Companies
Missouri
$1.99M
3
NP
3
Ninepoint Partners
Ontario, Canada
$0
4
SEI Investments
4
SEI Investments
Pennsylvania
$97K
5
PAM
5
Panagora Asset Management
Massachusetts
$657K
Name Holding Trade Value Shares
Change 		Shares
Change %
Barclays
51
Barclays
United Kingdom
$25K +$21.3K +1,089 +582%
Parallax Volatility Advisers
52
Parallax Volatility Advisers
California
$25K +$25K +1,260 New
Legal & General Group
53
Legal & General Group
United Kingdom
$23K – – –
Canada Life
54
Canada Life
Manitoba, Canada
$16K – – –
AIP
55
Ameritas Investment Partners
Nebraska
$14K – – –
Royal Bank of Canada
56
Royal Bank of Canada
Ontario, Canada
$13K -$11.7K -586 -47%
Federated Hermes
57
Federated Hermes
Pennsylvania
$12K -$311 -16 -3%
DCM
58
Delpha Capital Management
New York
$11K +$11K +576 New
LTFS
59
Ladenburg Thalmann Financial Services
Florida
$8K – – –
UBS Group
60
UBS Group
Switzerland
$8K +$2.71K +137 +51%
MAM
61
Meeder Asset Management
Ohio
$6K +$240 +13 +4%
TRCT
62
Tower Research Capital (TRC)
New York
$5K -$241K -11,373 -98%
Citigroup
63
Citigroup
New York
$3K +$2.95K +127 +6,350%
NP
64
Ninepoint Partners
Ontario, Canada
– -$2.1M -124,245 Closed
SCM
65
SIR Capital Management
New York
– -$366K -21,699 Closed
Renaissance Technologies
66
Renaissance Technologies
New York
– -$347K -20,600 Closed
NFA
67
Nationwide Fund Advisors
Ohio
– -$170K -10,076 Closed
BCM
68
BlueCrest Capital Management
Jersey
– -$169K -10,000 Closed
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