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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.

New
Increased
Maintained
Reduced
Closed
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 %
HW
51
Hancock Whitney
Mississippi
$60K -$17.3K -6,947 -22%
NJBEST
52
New Jersey Better Educational Savings Trust
New Jersey
$60K – – –
Squarepoint
53
Squarepoint
New York
$59K +$59K +23,800 New
NFG
54
Next Financial Group
Texas
$57K – – –
RhumbLine Advisers
55
RhumbLine Advisers
Massachusetts
$53K +$4.49K +1,793 +9%
California State Teachers Retirement System (CalSTRS)
56
California State Teachers Retirement System (CalSTRS)
California
$48K – – –
T. Rowe Price Associates
57
T. Rowe Price Associates
Maryland
$48K +$240 +96 +0.5%
Jane Street
58
Jane Street
New York
$46K +$46K +18,511 New
Invesco
59
Invesco
Georgia
$45K +$4.95K +2,009 +12%
HSBC Holdings
60
HSBC Holdings
United Kingdom
$44K +$1.45K +581 +3%
Federated Hermes
61
Federated Hermes
Pennsylvania
$42K +$51 +21 +0.1%
FA
62
Fortis Advisors
Pennsylvania
$40K +$8.88K +3,546 +29%
MAM
63
Meeder Asset Management
Ohio
$38K +$17.7K +7,045 +87%
Group One Trading
64
Group One Trading
Illinois
$36K +$17.8K +7,188 +98%
New York State Common Retirement Fund
65
New York State Common Retirement Fund
New York
$35K -$40.9K -16,478 -54%
TRCT
66
Tower Research Capital (TRC)
New York
$34K +$34K +13,736 New
ACI
67
AMP Capital Investors
Australia
$32K – – –
Principal Financial Group
68
Principal Financial Group
Iowa
$28K -$1.75M -697,002 -98%
Citigroup
69
Citigroup
New York
$28K -$7.38K -2,993 -21%
CS
70
Credit Suisse
Switzerland
$27K -$801 -334 -3%
Citadel Advisors
71
Citadel Advisors
Florida
$26K -$3.49K -1,391 -12%
Los Angeles Capital Management
72
Los Angeles Capital Management
California
$25K +$25K +10,120 New
UBS Group
73
UBS Group
Switzerland
$23K +$17K +6,737 +282%
AIG
74
American International Group
New York
$20K -$141 -58 -0.7%
Barclays
75
Barclays
United Kingdom
$18K -$4.92K -2,007 -21%
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