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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
WC
1
Wexford Capital
Florida
$54.5M
Russell Investments Group
2
Russell Investments Group
United Kingdom
$5.36M +$1.21M +255,588 +13%
Hotchkis & Wiley Capital Management
3
Hotchkis & Wiley Capital Management
California
$2.27M +$1.37M +288,680 +46%
BlackRock
4
BlackRock
New York
$2.21M +$129K +27,235 +3%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$2.07M +$510K +107,341 +15%
Morgan Stanley
6
Morgan Stanley
New York
$2M +$3.39M +714,072 +756%
Vanguard Group
7
Vanguard Group
Pennsylvania
$1.54M -$515K -108,584 -15%
Boston Partners
8
Boston Partners
Massachusetts
$941K -$2.75M -580,225 -60%
First Trust Advisors
9
First Trust Advisors
Illinois
$918K +$950K +200,223 +118%
Two Sigma Investments
10
Two Sigma Investments
New York
$879K +$1.2M +251,934 +246%
State Street
11
State Street
Massachusetts
$795K +$361K +76,092 +31%
Nuveen
12
Nuveen
North Carolina
$753K +$41.5K +8,732 +3%
Goldman Sachs
13
Goldman Sachs
New York
$752K +$1.08M +227,649 +302%
Schroder Investment Management Group
14
Schroder Investment Management Group
United Kingdom
$689K -$1.86M -392,007 -59%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$562K -$666K -140,322 -38%
BCM
16
Bridgeway Capital Management
Texas
$549K -$142K -30,000 -12%
D.E. Shaw & Co
17
D.E. Shaw & Co
New York
$537K +$399K +83,966 +63%
Northern Trust
18
Northern Trust
Illinois
$522K -$61.1K -12,872 -6%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$510K +$39.8K +8,379 +4%
Janus Henderson Group
20
Janus Henderson Group
$483K -$8.23M -1,734,760 -90%
Ameriprise
21
Ameriprise
Minnesota
$479K +$89.3K +18,815 +11%
JP Morgan Chase
22
JP Morgan Chase
New York
$368K +$688K +144,833 +4,057%
WG
23
Winton Group
United Kingdom
$326K +$408K +86,022 +190%
Two Sigma Advisers
24
Two Sigma Advisers
New York
$314K +$447K +94,200 +290%
Connor, Clark & Lunn Investment Management (CC&L)
25
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$279K +$183K +38,475 +52%