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Mammoth Energy Services
TUSK

Overview Fund Activity

64 hedge funds and large institutions have $430M invested in Mammoth Energy Services in 2016 Q4 according to their latest regulatory filings, with 64 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
64
Holders Change
+64
Holders Change %
–
% of All Funds
1.6%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
64
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
WC
1
Wexford Capital
Florida
$311M
2
PIM
2
Perkins Investment Management
Illinois
$39.3M
3
American Century Companies
3
American Century Companies
Missouri
$9.76M
4
Principal Financial Group
4
Principal Financial Group
Iowa
$9.12M
5
PRCM
5
Pine River Capital Management
Minnesota
$7.83M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
WC
1
Wexford Capital
Florida
$311M 20,443,903 +20,443,903 New
PIM
2
Perkins Investment Management
Illinois
$39.3M 2,585,354 +2,585,354 New
American Century Companies
3
American Century Companies
Missouri
$9.76M 641,765 +641,765 New
Principal Financial Group
4
Principal Financial Group
Iowa
$9.12M 599,787 +599,787 New
PRCM
5
Pine River Capital Management
Minnesota
$7.83M 515,000 +515,000 New
UOC
6
UBS O'Connor
Illinois
$5.78M 380,285 +380,285 New
Vanguard Group
7
Vanguard Group
Pennsylvania
$4.92M 323,961 +323,961 New
DCM
8
Driehaus Capital Management
Illinois
$4.45M 292,731 +292,731 New
Franklin Resources
9
Franklin Resources
California
$4.1M 270,000 +270,000 New
BFA
10
BlackRock Fund Advisors
California
$3.56M 234,343 +234,343 New
LCM
11
Laurion Capital Management
New York
$3.04M 200,000 +200,000 New
Millennium Management
12
Millennium Management
New York
$2.49M 163,874 +163,874 New
SIM
13
Spark Investment Management
New York
$2.14M 141,100 +141,100 New
Russell Investments Group
14
Russell Investments Group
United Kingdom
$1.53M 102,246 +102,246 New
OA
15
Omega Advisors
New York
$1.52M 100,000 +100,000 New
Geode Capital Management
16
Geode Capital Management
Massachusetts
$1.49M 98,311 +98,311 New
NC
17
Nokomis Capital
Texas
$1.41M 92,696 +92,696 New
Northern Trust
18
Northern Trust
Illinois
$1.41M 92,425 +92,425 New
NI
19
Numeric Investors
Massachusetts
$1.36M 89,210 +89,210 New
OIM
20
Oceanic Investment Management
Isle Of Man
$1.21M 79,658 +79,658 New
State Street
21
State Street
Massachusetts
$1.12M 73,921 +73,921 New
CCMLC
22
Cardinal Capital Management LLC (Connecticut)
Connecticut
$1.05M 69,110 +69,110 New
BIT
23
BlackRock Institutional Trust
California
$1.05M 68,811 +68,811 New
PCM
24
Peregrine Capital Management
Minnesota
$829K 54,527 +54,527 New
Boston Partners
25
Boston Partners
Massachusetts
$724K 47,600 +47,600 New
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