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Mammoth Energy Services
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Overview Fund Activity

69 hedge funds and large institutions have $71.3M invested in Mammoth Energy Services in 2019 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 21 increasing their positions, 31 reducing their positions, and 27 closing their positions.

Holders
69
Holders Change
-18
Holders Change %
-20.69%
% of All Funds
1.36%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
9
Increased
21
Reduced
31
Closed
27
Calls
$97K
Puts
–
Net Calls
+$97K
Net Calls Change
-$19K

Top Buyers

1
V
1
ValueWorks
New York
$4.84M
2
MAM
2
Monaco Asset Management
Monaco
$868K
3
BCM
3
Bridgeway Capital Management
Texas
$927K
4
Two Sigma Advisers
4
Two Sigma Advisers
New York
$702K
5
Two Sigma Investments
5
Two Sigma Investments
New York
$1.05M

Top Sellers

1
Hotchkis & Wiley Capital Management
1
Hotchkis & Wiley Capital Management
California
$0
2
Russell Investments Group
2
Russell Investments Group
United Kingdom
$2.73M
3
Morgan Stanley
3
Morgan Stanley
New York
$392K
4
First Trust Advisors
4
First Trust Advisors
Illinois
$64K
5
Nuveen Asset Management
5
Nuveen Asset Management
Illinois
$123K
Name Market Value Shares Shares
Change 		Shares
Change %
WC
1
Wexford Capital
Florida
$48.5M 22,045,273 +52,596 +0.2%
V
2
ValueWorks
New York
$4.84M 2,200,701 +2,200,701 New
Russell Investments Group
3
Russell Investments Group
United Kingdom
$2.73M 1,243,798 -917,160 -42%
BlackRock
4
BlackRock
New York
$1.92M 873,965 -16,291 -2%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$1.66M 754,451 -79,682 -10%
Vanguard Group
6
Vanguard Group
Pennsylvania
$1.07M 485,438 -135,488 -22%
Two Sigma Investments
7
Two Sigma Investments
New York
$1.05M 479,251 +124,896 +35%
BCM
8
Bridgeway Capital Management
Texas
$927K 421,400 +200,000 +90%
MAM
9
Monaco Asset Management
Monaco
$868K 394,558 +394,558 New
D.E. Shaw & Co
10
D.E. Shaw & Co
New York
$740K 336,374 +120,024 +55%
Two Sigma Advisers
11
Two Sigma Advisers
New York
$702K 318,900 +192,200 +152%
State Street
12
State Street
Massachusetts
$681K 309,529 -11,172 -3%
Boston Partners
13
Boston Partners
Massachusetts
$555K 252,015 -127,467 -34%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$460K 209,410 +3,531 +2%
Northern Trust
15
Northern Trust
Illinois
$429K 195,080 -15,367 -7%
Morgan Stanley
16
Morgan Stanley
New York
$392K 178,862 -629,651 -78%
Connor, Clark & Lunn Investment Management (CC&L)
17
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$319K 145,108 +32,662 +29%
Goldman Sachs
18
Goldman Sachs
New York
$257K 116,775 -186,258 -61%
WG
19
Winton Group
United Kingdom
$215K 97,749 -33,529 -26%
Wells Fargo
20
Wells Fargo
California
$201K 91,572 +55,008 +150%
SO
21
STRS Ohio
Ohio
$179K 81,800 – –
Charles Schwab
22
Charles Schwab
California
$156K 70,528 +935 +1%
JPMorgan Chase & Co
23
JPMorgan Chase & Co
New York
$154K 70,206 -78,197 -53%
KC
24
Kepos Capital
New York
$152K 69,174 – –
HSBC Holdings
25
HSBC Holdings
United Kingdom
$132K 60,246 +42,571 +241%
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