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Mammoth Energy Services
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Overview Fund Activity

74 hedge funds and large institutions have $606M invested in Mammoth Energy Services in 2017 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 23 increasing their positions, 21 reducing their positions, and 13 closing their positions.

Holders
74
Holders Change
+10
Holders Change %
+15.63%
% of All Funds
1.84%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
29
Increased
23
Reduced
21
Closed
13
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BlackRock
1
BlackRock
New York
$10M
2
TAM
2
THB Asset Management
Connecticut
$5.33M
3
PIM
3
Perkins Investment Management
Illinois
$60.5M
4
Luther King Capital Management (LKCM)
4
Luther King Capital Management (LKCM)
Texas
$2.92M
5
Goldman Sachs
5
Goldman Sachs
New York
$1.9M

Top Sellers

1
PRCM
1
Pine River Capital Management
Minnesota
$5.59M
2
American Century Companies
2
American Century Companies
Missouri
$8.72M
3
LCM
3
Laurion Capital Management
New York
$0
4
Franklin Resources
4
Franklin Resources
California
$2.88M
5
DCM
5
Driehaus Capital Management
Illinois
$4.28M
Name Market Value Shares Shares
Change 		Shares
Change %
WC
1
Wexford Capital
Florida
$440M 20,446,126 +2,223 +0%
PIM
2
Perkins Investment Management
Illinois
$60.5M 2,810,657 +225,303 +9%
Principal Financial Group
3
Principal Financial Group
Iowa
$12.7M 592,284 -7,503 -1%
BlackRock
4
BlackRock
New York
$10M 465,106 +459,460 +8,138%
American Century Companies
5
American Century Companies
Missouri
$8.72M 405,425 -236,340 -37%
UOC
6
UBS O'Connor
Illinois
$7.9M 367,160 -13,125 -3%
Vanguard Group
7
Vanguard Group
Pennsylvania
$7.81M 362,892 +38,931 +12%
PRCM
8
Pine River Capital Management
Minnesota
$5.59M 260,000 -255,000 -50%
TAM
9
THB Asset Management
Connecticut
$5.33M 247,880 +247,880 New
DCM
10
Driehaus Capital Management
Illinois
$4.28M 199,132 -93,599 -32%
Millennium Management
11
Millennium Management
New York
$3.62M 168,475 +4,601 +3%
Luther King Capital Management (LKCM)
12
Luther King Capital Management (LKCM)
Texas
$2.92M 135,580 +135,580 New
Franklin Resources
13
Franklin Resources
California
$2.88M 133,800 -136,200 -50%
Russell Investments Group
14
Russell Investments Group
United Kingdom
$2.51M 116,510 +14,264 +14%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$2.25M 104,652 +6,341 +6%
State Street
16
State Street
Massachusetts
$2.09M 97,281 +23,360 +32%
Northern Trust
17
Northern Trust
Illinois
$1.94M 90,307 -2,118 -2%
Goldman Sachs
18
Goldman Sachs
New York
$1.9M 88,145 +88,145 New
PAM
19
Panagora Asset Management
Massachusetts
$1.69M 78,491 +78,491 New
CCMLC
20
Cardinal Capital Management LLC (Connecticut)
Connecticut
$1.61M 74,680 +5,570 +8%
Arrowstreet Capital
21
Arrowstreet Capital
Massachusetts
$1.48M 68,821 +68,821 New
Victory Capital Management
22
Victory Capital Management
Texas
$1.46M 67,957 +37,957 +127%
Invesco
23
Invesco
Georgia
$1.32M 61,225 +61,225 New
PE
24
Point72 Europe
United Kingdom
$1.21M 56,223 +34,297 +156%
Boston Partners
25
Boston Partners
Massachusetts
$1.21M 56,000 +8,400 +18%
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