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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
V
1
ValueWorks
New York
$10.4M +$238K +66,708 +2%
RA
2
Royce & Associates
New York
$2.41M +$2.72M +761,814 +1,155%
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.48M -$1.23M -345,211 -40%
BCM
4
Bridgeway Capital Management
Texas
$1.46M +$87.4K +24,516 +5%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$880K -$27.4K -7,685 -2%
EWA
6
Exencial Wealth Advisors
Oklahoma
$715K +$876K +245,777 New
BlackRock
7
BlackRock
New York
$651K +$80.2K +22,490 +11%
Russell Investments Group
8
Russell Investments Group
United Kingdom
$525K +$501K +140,662 +349%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$473K -$123K -34,407 -17%
Renaissance Technologies
10
Renaissance Technologies
New York
$407K -$294K -82,552 -37%
Bank of New York Mellon
11
Bank of New York Mellon
New York
$265K
Two Sigma Advisers
12
Two Sigma Advisers
New York
$257K -$188K -52,800 -37%
Boston Partners
13
Boston Partners
Massachusetts
$222K +$102K +28,653 +60%
State Street
14
State Street
Massachusetts
$206K +$65.3K +18,307 +35%
Stifel Financial
15
Stifel Financial
Missouri
$162K
Cambridge Investment Research Advisors
16
Cambridge Investment Research Advisors
Iowa
$160K
WG
17
Winton Group
United Kingdom
$157K -$22.7K -6,378 -11%
Northern Trust
18
Northern Trust
Illinois
$147K -$94.5K -26,516 -34%
Squarepoint
19
Squarepoint
New York
$133K -$143K -40,224 -47%
Millennium Management
20
Millennium Management
New York
$130K -$141K -39,640 -47%
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$116K
Invesco
22
Invesco
Georgia
$114K +$4.86K +1,364 +4%
Susquehanna International Group
23
Susquehanna International Group
Pennsylvania
$86K +$59.4K +16,657 +128%
Morgan Stanley
24
Morgan Stanley
New York
$77K -$130K -36,338 -58%
NSEDCP
25
NJ State Employees Deferred Compensation Plan
New Jersey
$70K