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Mammoth Energy Services
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Overview Fund Activity

54 hedge funds and large institutions have $153M invested in Mammoth Energy Services in 2021 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 18 increasing their positions, 11 reducing their positions, and 4 closing their positions.

Holders
54
Holders Change
+9
Holders Change %
+20%
% of All Funds
0.95%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
14
Increased
18
Reduced
11
Closed
4
Calls
$607K
Puts
$80K
Net Calls
+$527K
Net Calls Change
+$525K

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.39M
2
Squarepoint
2
Squarepoint
New York
$453K
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$585K
4
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$366K
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$236K

Top Sellers

1
Invesco
1
Invesco
Georgia
$202K
2
V
2
ValueWorks
New York
$17.4M
3
6CM
3
683 Capital Management
New York
$0
4
TF
4
Trek Financial
Arizona
$0
5
Millennium Management
5
Millennium Management
New York
$1.24M
Name Market Value Shares Shares
Change 		Shares
Change %
WC
1
Wexford Capital
Florida
$117M 22,066,259 – –
V
2
ValueWorks
New York
$17.4M 3,267,736 -100,063 -3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.39M 637,500 +127,933 +25%
BCM
4
Bridgeway Capital Management
Texas
$2.41M 453,800 -17,700 -4%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$1.63M 306,978 +20,710 +7%
BlackRock
6
BlackRock
New York
$1.52M 286,177 -22,521 -7%
Millennium Management
7
Millennium Management
New York
$1.24M 233,119 -38,290 -14%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$1.1M 205,786 – –
Two Sigma Advisers
9
Two Sigma Advisers
New York
$875K 164,500 +10,000 +6%
Renaissance Technologies
10
Renaissance Technologies
New York
$713K 134,072 +35,100 +35%
Susquehanna International Group
11
Susquehanna International Group
Pennsylvania
$585K 109,958 +70,281 +177%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$550K 103,385 -8,270 -7%
Squarepoint
13
Squarepoint
New York
$453K 85,217 +85,217 New
Northern Trust
14
Northern Trust
Illinois
$445K 83,584 -546 -0.6%
Acadian Asset Management
15
Acadian Asset Management
Massachusetts
$366K 68,846 +62,349 +960%
WG
16
Winton Group
United Kingdom
$335K 62,903 -5,785 -8%
Two Sigma Investments
17
Two Sigma Investments
New York
$315K 59,178 +8,963 +18%
Stifel Financial
18
Stifel Financial
Missouri
$296K 55,572 – –
Cambridge Investment Research Advisors
19
Cambridge Investment Research Advisors
Iowa
$293K 55,029 +500 +0.9%
T. Rowe Price Associates
20
T. Rowe Price Associates
Maryland
$236K 44,270 +44,270 New
Citadel Advisors
21
Citadel Advisors
Florida
$216K 40,601 +19,193 +90%
Invesco
22
Invesco
Georgia
$202K 38,018 -188,539 -83%
Goldman Sachs
23
Goldman Sachs
New York
$196K 36,871 -26,022 -41%
ECM
24
ExodusPoint Capital Management
New York
$141K 26,542 +16,497 +164%
NSEDCP
25
NJ State Employees Deferred Compensation Plan
New Jersey
$128K 24,000 – –
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