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Mammoth Energy Services

Name Holding Trade Value Shares
Change
Change in
Stake
WC
1
Wexford Capital
Florida
$808M -$42.8M -1,217,960 -5%
Janus Henderson Group
2
Janus Henderson Group
$43.7M -$792K -22,532 -2%
Principal Financial Group
3
Principal Financial Group
Iowa
$26.9M +$8.75M +249,030 +46%
BlackRock
4
BlackRock
New York
$23.3M +$6.6M +187,868 +38%
Millennium Management
5
Millennium Management
New York
$21.1M +$2.42M +68,786 +12%
Vanguard Group
6
Vanguard Group
Pennsylvania
$20.5M +$6.18M +175,941 +41%
CS
7
Credit Suisse
Switzerland
$20.3M +$20.4M +579,917 +3,530%
PCM
8
Penn Capital Management
Pennsylvania
$17.2M +$5.22M +148,481 +41%
LCM
9
Laurion Capital Management
New York
$13.9M +$14.4M +409,053 New
MIM
10
Monashee Investment Management
Massachusetts
$13.6M
NC
11
Northpointe Capital
Michigan
$12.7M +$2.24M +63,685 +21%
HK
12
Horizon Kinetics
New York
$12.6M +$13M +369,697 New
RA
13
Royce & Associates
New York
$11.5M +$1.66M +47,200 +16%
New York State Common Retirement Fund
14
New York State Common Retirement Fund
New York
$8.98M +$3.13M +89,166 +51%
Renaissance Technologies
15
Renaissance Technologies
New York
$7.96M +$1.26M +35,968 +18%
Prudential Financial
16
Prudential Financial
New Jersey
$7.89M +$8.16M +232,254 New
LM
17
Luminus Management
Texas
$7.58M +$7.84M +223,133 New
CAM
18
Cortina Asset Management
Wisconsin
$6.28M -$2.2M -62,758 -25%
HI
19
HBK Investments
Texas
$5.94M +$6.15M +175,000 New
DCM
20
Driehaus Capital Management
Illinois
$5.9M -$3.56M -101,397 -37%
Northern Trust
21
Northern Trust
Illinois
$5.83M +$2.46M +69,935 +69%
State Street
22
State Street
Massachusetts
$5.53M +$834K +23,745 +17%
Citadel Advisors
23
Citadel Advisors
Florida
$5.43M +$4.53M +128,891 +416%
GAM
24
Gotham Asset Management
New York
$5.33M +$5.52M +157,018 New
AAMU
25
Amundi Asset Management US
Massachusetts
$5.31M +$5.49M +156,300 New