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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
Northern Trust
26
Northern Trust
Illinois
$95K
QC
27
Quadrature Capital
United Kingdom
$92K +$77.4K +42,645 New
Marshall Wace
28
Marshall Wace
United Kingdom
$91K +$77.1K +42,495 New
Connor, Clark & Lunn Investment Management (CC&L)
29
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$53K +$45K +24,808 New
NA
30
NewEdge Advisors
Louisiana
$53K +$45.4K +25,000 New
NSEDCP
31
NJ State Employees Deferred Compensation Plan
New Jersey
$51K
T. Rowe Price Associates
32
T. Rowe Price Associates
Maryland
$38K
TCM
33
Traynor Capital Management
Pennsylvania
$36K +$31.5K +17,368 New
Morgan Stanley
34
Morgan Stanley
New York
$32K +$13.6K +7,475 +96%
HSBC Holdings
35
HSBC Holdings
United Kingdom
$31K
MRI
36
Mad River Investors
Massachusetts
$23K
AIC
37
Archer Investment Corporation
Indiana
$21K +$18.2K +10,000 New
TRCT
38
Tower Research Capital (TRC)
New York
$17K +$6.81K +3,749 +85%
APA
39
American Portfolios Advisors
New York
$13.2K +$7.12K +3,920 +172%
Fidelity Investments
40
Fidelity Investments
Massachusetts
$13K +$11.3K +6,226 New
Simplex Trading
41
Simplex Trading
Illinois
$11K -$5.21K -2,873 -34%
JP Morgan Chase
42
JP Morgan Chase
New York
$8K +$7.05K +3,886 +24,288%
Barclays
43
Barclays
United Kingdom
$6K
Osaic Holdings
44
Osaic Holdings
Arizona
$5K -$15 -8 -0.4%
Bank of America
45
Bank of America
North Carolina
$2K -$2.1K -1,154 -59%
BNP Paribas Financial Markets
46
BNP Paribas Financial Markets
France
$1.14K
Federated Hermes
47
Federated Hermes
Pennsylvania
$1K +$267 +147 New
YCM
48
Yaupon Capital Management
New York
-$182K -100,000 Closed
Invesco
49
Invesco
Georgia
-$67K -36,693 Closed
WG
50
Winton Group
United Kingdom
-$34K -18,803 Closed