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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
WC
1
Wexford Capital
Florida
$16.5M +$1 +1 +0%
V
2
ValueWorks
New York
$2.35M +$1.24M +944,182 +43%
BlackRock
3
BlackRock
New York
$651K -$5.74K -4,355 -0.5%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$564K -$1.71K -1,294 -0.2%
Russell Investments Group
5
Russell Investments Group
United Kingdom
$495K -$765K -581,029 -47%
Vanguard Group
6
Vanguard Group
Pennsylvania
$360K -$5.68K -4,315 -0.9%
BCM
7
Bridgeway Capital Management
Texas
$263K -$92.2K -70,000 -17%
Two Sigma Advisers
8
Two Sigma Advisers
New York
$231K -$12.9K -9,800 -3%
Invesco
9
Invesco
Georgia
$198K +$318K +241,144 +1,089%
State Street
10
State Street
Massachusetts
$189K -$76K -57,669 -19%
D.E. Shaw & Co
11
D.E. Shaw & Co
New York
$166K -$152K -115,022 -34%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$161K +$8.66K +6,577 +3%
Two Sigma Investments
13
Two Sigma Investments
New York
$141K -$384K -291,461 -61%
Northern Trust
14
Northern Trust
Illinois
$120K -$44.7K -33,904 -17%
WG
15
Winton Group
United Kingdom
$75K +$3.02K +2,295 +2%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$63K +$55.8K +42,331 +101%
SO
17
STRS Ohio
Ohio
$61K
Charles Schwab
18
Charles Schwab
California
$54K +$1.5K +1,139 +2%
HSBC Holdings
19
HSBC Holdings
United Kingdom
$45K -$54 -41 -0.1%
Nuveen
20
Nuveen
North Carolina
$40K -$3.88K -2,947 -5%
AllianceBernstein
21
AllianceBernstein
Tennessee
$38K
Stifel Financial
22
Stifel Financial
Missouri
$35K +$62K +47,035 New
NJBEST
23
New Jersey Better Educational Savings Trust
New Jersey
$31K
ZCM
24
Zebra Capital Management
Connecticut
$31K
Wells Fargo
25
Wells Fargo
California
$27K -$73.5K -55,755 -61%