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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
WC
1
Wexford Capital
Florida
$45M
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$8.47M +$133K +50,000 +1%
V
3
ValueWorks
New York
$5.73M -$38.2K -14,325 -0.5%
BlackRock
4
BlackRock
New York
$2.98M -$40.2K -15,088 -1%
RA
5
Royce & Associates
New York
$2.64M -$417K -156,285 -11%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$2.04M +$26.6K +9,981 +1%
Vanguard Group
7
Vanguard Group
Pennsylvania
$1.93M -$5.76K -2,162 -0.2%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$1.11M +$20.8K +7,788 +1%
State Street
9
State Street
Massachusetts
$821K
BCM
10
Bridgeway Capital Management
Texas
$685K -$332K -124,589 -27%
RC
11
Rangeley Capital
Connecticut
$420K -$604K -226,458 -52%
Northern Trust
12
Northern Trust
Illinois
$414K -$8.03K -3,012 -1%
Citadel Advisors
13
Citadel Advisors
Florida
$376K +$443K +166,206 +930%
CM
14
CastleKnight Management
New York
$342K
EF
15
Empowered Funds
Pennsylvania
$326K +$35K +13,111 +9%
Renaissance Technologies
16
Renaissance Technologies
New York
$276K +$4.53K +1,700 +1%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$247K -$1.98K -744 -0.6%
Stifel Financial
18
Stifel Financial
Missouri
$215K -$141 -53 -0.1%
Susquehanna International Group
19
Susquehanna International Group
Pennsylvania
$191K +$90.5K +33,937 +57%
Morgan Stanley
20
Morgan Stanley
New York
$186K +$680 +255 +0.3%
Charles Schwab
21
Charles Schwab
California
$144K
Goldman Sachs
22
Goldman Sachs
New York
$136K -$60.9K -22,854 -26%
Wellington Management Group
23
Wellington Management Group
Massachusetts
$126K +$32.6K +12,238 +25%
Osaic Holdings
24
Osaic Holdings
Arizona
$121K
Millennium Management
25
Millennium Management
New York
$120K +$156K +58,674 New