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Mammoth Energy Services
TUSK

Overview Fund Activity

67 hedge funds and large institutions have $608M invested in Mammoth Energy Services in 2017 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 32 increasing their positions, 21 reducing their positions, and 14 closing their positions.

Holders
67
Holders Change
-7
Holders Change %
-9.46%
% of All Funds
1.67%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
8
Increased
32
Reduced
21
Closed
14
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
WC
1
Wexford Capital
Florida
$465M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$44M
3
CAM
3
Cortina Asset Management
Wisconsin
$5.03M
4
American Century Companies
4
American Century Companies
Missouri
$11.7M
5
RA
5
Royce & Associates
New York
$2.4M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$435K
2
PE
2
Point72 Europe
United Kingdom
$0
3
Goldman Sachs
3
Goldman Sachs
New York
$586K
4
SIM
4
Spark Investment Management
New York
$0
5
UOC
5
UBS O'Connor
Illinois
$6.05M
Name Market Value Shares Shares
Change 		Shares
Change %
WC
1
Wexford Capital
Florida
$465M 25,011,542 +4,565,416 +22%
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$44M 2,363,961 +2,363,961 New
American Century Companies
3
American Century Companies
Missouri
$11.7M 627,081 +221,656 +55%
Principal Financial Group
4
Principal Financial Group
Iowa
$10.8M 579,898 -12,386 -2%
BlackRock
5
BlackRock
New York
$9.52M 512,099 +46,993 +10%
Vanguard Group
6
Vanguard Group
Pennsylvania
$7.79M 418,865 +55,973 +15%
UOC
7
UBS O'Connor
Illinois
$6.05M 325,243 -41,917 -11%
CAM
8
Cortina Asset Management
Wisconsin
$5.03M 270,657 +243,101 +882%
PRCM
9
Pine River Capital Management
Minnesota
$4.44M 238,700 -21,300 -8%
TAM
10
THB Asset Management
Connecticut
$4.39M 235,811 -12,069 -5%
DCM
11
Driehaus Capital Management
Illinois
$3.45M 185,412 -13,720 -7%
Franklin Resources
12
Franklin Resources
California
$2.49M 133,800 – –
RA
13
Royce & Associates
New York
$2.4M 128,800 +121,000 +1,551%
PAM
14
Panagora Asset Management
Massachusetts
$2.32M 124,520 +46,029 +59%
State Street
15
State Street
Massachusetts
$2.13M 114,246 +16,965 +17%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$2.1M 113,050 +8,398 +8%
Luther King Capital Management (LKCM)
17
Luther King Capital Management (LKCM)
Texas
$2.08M 111,665 -23,915 -18%
Russell Investments Group
18
Russell Investments Group
United Kingdom
$2.07M 111,225 -5,285 -5%
Northern Trust
19
Northern Trust
Illinois
$1.72M 92,303 +1,996 +2%
Arrowstreet Capital
20
Arrowstreet Capital
Massachusetts
$1.48M 79,697 +10,876 +16%
CCMLC
21
Cardinal Capital Management LLC (Connecticut)
Connecticut
$1.44M 77,275 +2,595 +3%
Victory Capital Management
22
Victory Capital Management
Texas
$1.34M 71,943 +3,986 +6%
TCIM
23
TIAA CREF Investment Management
New York
$1.31M 70,604 +51,707 +274%
Boston Partners
24
Boston Partners
Massachusetts
$910K 48,929 -7,071 -13%
Invesco
25
Invesco
Georgia
$850K 45,686 -15,539 -25%
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