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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
WC
1
Wexford Capital
Florida
$640M -$59.5M -1,807,331 -8%
Vanguard Group
2
Vanguard Group
Pennsylvania
$24.3M +$7.66M +232,542 +39%
BlackRock
3
BlackRock
New York
$22.6M +$3.04M +92,155 +13%
Principal Financial Group
4
Principal Financial Group
Iowa
$22.5M -$595K -18,058 -2%
Russell Investments Group
5
Russell Investments Group
United Kingdom
$21.6M +$20M +606,457 +441%
Janus Henderson Group
6
Janus Henderson Group
$21.3M -$18.3M -554,962 -43%
PCM
7
Penn Capital Management
Pennsylvania
$15.2M -$1.04M -31,592 -6%
Prudential Financial
8
Prudential Financial
New Jersey
$14.2M +$8.43M +255,771 +110%
Millennium Management
9
Millennium Management
New York
$13.2M -$5.57M -169,079 -27%
Allianz Asset Management
10
Allianz Asset Management
Germany
$13.1M +$14.8M +449,113 New
RA
11
Royce & Associates
New York
$11.2M +$1.47M +44,487 +13%
AQR Capital Management
12
AQR Capital Management
Connecticut
$10.9M +$9.13M +277,218 +285%
NC
13
Northpointe Capital
Michigan
$9.9M -$1.1M -33,265 -9%
TA
14
Teachers Advisors
New York
$8.11M +$8.61M +261,253 +1,510%
New York State Common Retirement Fund
15
New York State Common Retirement Fund
New York
$8.08M +$436K +13,227 +5%
Dimensional Fund Advisors
16
Dimensional Fund Advisors
Texas
$7.66M +$5.37M +163,137 +163%
Boston Partners
17
Boston Partners
Massachusetts
$7.3M +$3.29M +99,783 +66%
Citadel Advisors
18
Citadel Advisors
Florida
$6.93M +$2.58M +78,276 +49%
GAM
19
Gotham Asset Management
New York
$6.86M +$2.59M +78,592 +50%
Northern Trust
20
Northern Trust
Illinois
$6.47M +$1.67M +50,654 +30%
State Street
21
State Street
Massachusetts
$6.33M +$1.8M +54,583 +34%
Franklin Resources
22
Franklin Resources
California
$5.68M +$2.31M +70,200 +56%
Charles Schwab
23
Charles Schwab
California
$5.09M +$1.55M +47,085 +37%
CAM
24
Cortina Asset Management
Wisconsin
$4.83M -$623K -18,903 -10%
Ameriprise
25
Ameriprise
Minnesota
$4.74M +$3.4M +103,234 +173%