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Mammoth Energy Services
TUSK

Overview Fund Activity

59 hedge funds and large institutions have $552M invested in Mammoth Energy Services in 2017 Q3 according to their latest regulatory filings, with 6 funds opening new positions, 22 increasing their positions, 23 reducing their positions, and 13 closing their positions.

Holders
59
Holders Change
-8
Holders Change %
-11.94%
% of All Funds
1.47%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
6
Increased
22
Reduced
23
Closed
13
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$53.6M
2
NP
2
Ninepoint Partners
Ontario, Canada
$2.1M
3
American Century Companies
3
American Century Companies
Missouri
$12.6M
4
Boston Partners
4
Boston Partners
Massachusetts
$2.5M
5
CM
5
Castleark Management
Illinois
$1.32M

Top Sellers

1
UOC
1
UBS O'Connor
Illinois
$0
2
PRCM
2
Pine River Capital Management
Minnesota
$0
3
DCM
3
Driehaus Capital Management
Illinois
$0
4
Arrowstreet Capital
4
Arrowstreet Capital
Massachusetts
$0
5
Luther King Capital Management (LKCM)
5
Luther King Capital Management (LKCM)
Texas
$413K
Name Market Value Shares Shares
Change 		Shares
Change %
WC
1
Wexford Capital
Florida
$422M 25,013,764 +2,222 +0%
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$53.6M 3,177,245 +813,284 +34%
American Century Companies
3
American Century Companies
Missouri
$12.6M 747,023 +119,942 +19%
Principal Financial Group
4
Principal Financial Group
Iowa
$9.4M 557,277 -22,621 -4%
BlackRock
5
BlackRock
New York
$7.84M 464,834 -47,265 -9%
Vanguard Group
6
Vanguard Group
Pennsylvania
$7.22M 428,194 +9,329 +2%
CAM
7
Cortina Asset Management
Wisconsin
$4.52M 268,303 -2,354 -0.9%
TAM
8
THB Asset Management
Connecticut
$3.77M 223,795 -12,016 -5%
RA
9
Royce & Associates
New York
$2.87M 170,400 +41,600 +32%
Russell Investments Group
10
Russell Investments Group
United Kingdom
$2.79M 165,702 +54,477 +49%
Boston Partners
11
Boston Partners
Massachusetts
$2.5M 148,269 +99,340 +203%
Franklin Resources
12
Franklin Resources
California
$2.47M 146,600 +12,800 +10%
NP
13
Ninepoint Partners
Ontario, Canada
$2.1M 124,245 +124,245 New
Geode Capital Management
14
Geode Capital Management
Massachusetts
$2.06M 122,296 +9,246 +8%
State Street
15
State Street
Massachusetts
$1.94M 115,146 +900 +0.8%
Northern Trust
16
Northern Trust
Illinois
$1.64M 97,375 +5,072 +5%
CM
17
Castleark Management
Illinois
$1.32M 78,378 +78,378 New
Victory Capital Management
18
Victory Capital Management
Texas
$1.2M 71,412 -531 -0.7%
PAM
19
Panagora Asset Management
Massachusetts
$1.09M 64,494 -60,026 -48%
QI
20
QS Investors
New York
$725K 43,005 -346 -0.8%
Wells Fargo
21
Wells Fargo
California
$695K 41,203 +2,108 +5%
SEI Investments
22
SEI Investments
Pennsylvania
$622K 36,875 +5,355 +17%
TCIM
23
TIAA CREF Investment Management
New York
$590K 35,004 -35,600 -50%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$567K 33,597 -695 -2%
Charles Schwab
25
Charles Schwab
California
$530K 31,400 +1,566 +5%
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