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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
WC
1
Wexford Capital
Florida
$98.3M -$2.37M -535,367 -2%
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$19.1M +$2.55M +575,000 +16%
V
3
ValueWorks
New York
$14.9M -$109K -24,545 -0.7%
KWM
4
Kanen Wealth Management
Florida
$7.54M
BlackRock
5
BlackRock
New York
$6.68M +$536K +120,935 +9%
RA
6
Royce & Associates
New York
$5.73M +$19.1K +4,300 +0.3%
Vanguard Group
7
Vanguard Group
Pennsylvania
$3.15M +$148K +33,447 +5%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$2.88M +$684K +154,278 +31%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$2.16M +$68K +15,324 +3%
State Street
10
State Street
Massachusetts
$1.81M -$42.3K -9,540 -2%
BCM
11
Bridgeway Capital Management
Texas
$1.62M +$33.6K +7,570 +2%
Acadian Asset Management
12
Acadian Asset Management
Massachusetts
$1.09M -$859K -193,619 -44%
XSC
13
X-Square Capital
Puerto Rico
$959K
Northern Trust
14
Northern Trust
Illinois
$870K -$14.1K -3,186 -2%
CM
15
CastleKnight Management
New York
$747K -$88.7K -20,000 -11%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$713K +$128K +28,779 +22%
Renaissance Technologies
17
Renaissance Technologies
New York
$638K -$42.6K -9,600 -6%
Stifel Financial
18
Stifel Financial
Missouri
$478K
Invesco
19
Invesco
Georgia
$440K -$279K -62,970 -39%
Two Sigma Advisers
20
Two Sigma Advisers
New York
$389K -$272K -61,400 -41%
Osaic Holdings
21
Osaic Holdings
Arizona
$357K
PM
22
Penbrook Management
New York
$343K -$17.7K -4,000 -5%
EF
23
Empowered Funds
Pennsylvania
$303K +$178K +40,170 +144%
Charles Schwab
24
Charles Schwab
California
$285K
First Trust Advisors
25
First Trust Advisors
Illinois
$282K +$6.67K +1,503 +2%