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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
WC
1
Wexford Capital
Florida
$54.1M -$63.4K -27,856 -0.1%
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$11.2M
BlackRock
3
BlackRock
New York
$3.56M -$41.4K -18,205 -1%
Vanguard Capital Management
4
Vanguard Capital Management
Pennsylvania
$2.01M +$1.86M +819,120 New
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$1.68M -$30.7K -13,479 -2%
PLC
6
Peapod Lane Capital
New York
$1.51M +$1.37M +599,805 New
Geode Capital Management
7
Geode Capital Management
Massachusetts
$1.5M +$57.4K +25,207 +4%
State Street
8
State Street
Massachusetts
$1.03M +$30.6K +13,438 +3%
BCM
9
Bridgeway Capital Management
Texas
$814K -$177K -77,678 -19%
Citadel Advisors
10
Citadel Advisors
Florida
$812K +$253K +111,256 +51%
EF
11
Empowered Funds
Pennsylvania
$591K +$50.8K +22,322 +10%
Renaissance Technologies
12
Renaissance Technologies
New York
$568K +$104K +45,900 +25%
Goldman Sachs
13
Goldman Sachs
New York
$548K +$304K +133,545 +148%
Acadian Asset Management
14
Acadian Asset Management
Massachusetts
$498K +$221K +97,213 +91%
Northern Trust
15
Northern Trust
Illinois
$458K +$43.9K +19,283 +11%
Vanguard Fiduciary Trust
16
Vanguard Fiduciary Trust
Pennsylvania
$417K +$387K +170,131 New
Los Angeles Capital Management
17
Los Angeles Capital Management
California
$400K +$372K +163,259 New
Boston Partners
18
Boston Partners
Massachusetts
$378K +$351K +154,388 New
Morgan Stanley
19
Morgan Stanley
New York
$374K -$319K -139,975 -48%
Vanguard Portfolio Management
20
Vanguard Portfolio Management
Pennsylvania
$343K +$319K +140,145 New
Bank of New York Mellon
21
Bank of New York Mellon
New York
$325K -$307 -135 -0.1%
CC
22
Centiva Capital
New York
$272K +$159K +69,791 +169%
Stifel Financial
23
Stifel Financial
Missouri
$259K
Osaic Holdings
24
Osaic Holdings
Arizona
$177K -$16.5K -7,267 -9%
Wellington Management Group
25
Wellington Management Group
Massachusetts
$168K +$27.4K +12,017 +21%