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Mammoth Energy Services

65 hedge funds and large institutions have $102M invested in Mammoth Energy Services in 2025 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 31 increasing their positions, 16 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
65
Holders Change
Holders Change %
0%
% of All Funds
0.87%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
5
Increased
31
Reduced
16
Closed
5
Calls
$45K
Puts
$199K
Net Calls
-$154K
Net Calls Change
-$115K
Name Holding Trade Value Shares
Change
Shares
Change %
Goldman Sachs
26
Goldman Sachs
New York
$150K -$36.4K -12,987 -20%
NS
27
NBC Securities
Alabama
$124K -$34.4K -12,360 -22%
T. Rowe Price Associates
28
T. Rowe Price Associates
Maryland
$122K +$47.4K +16,812 +64%
RA
29
Royce & Associates
New York
$115K -$3.51M -1,252,483 -97%
NL
30
Nuveen LLC
North Carolina
$103K
UBS Group
31
UBS Group
Switzerland
$103K +$18.1K +6,450 +21%
XT
32
XTX Topco
Cayman Islands
$103K +$103K +36,662 New
RhumbLine Advisers
33
RhumbLine Advisers
Massachusetts
$89K +$21.7K +7,757 +32%
Acadian Asset Management
34
Acadian Asset Management
Massachusetts
$79K +$46.6K +16,852 +144%
NSEDCP
35
NJ State Employees Deferred Compensation Plan
New Jersey
$67.2K
PM
36
Penbrook Management
New York
$65K +$31.3K +13,000 +93%
Millennium Management
37
Millennium Management
New York
$61.2K -$103K -36,823 -63%
Jane Street
38
Jane Street
New York
$48.4K +$15.7K +5,621 +48%
Wells Fargo
39
Wells Fargo
California
$43.6K +$2.76K +984 +7%
Mirae Asset Global ETFs Holdings
40
Mirae Asset Global ETFs Holdings
Hong Kong
$39.1K -$1.75K -624 -4%
BNP Paribas Financial Markets
41
BNP Paribas Financial Markets
France
$37.9K +$8.36K +2,987 +28%
Bank of America
42
Bank of America
North Carolina
$36.6K -$3.1K -1,108 -8%
AIC
43
Archer Investment Corporation
Indiana
$34.2K
Wealth Enhancement Advisory Services
44
Wealth Enhancement Advisory Services
Minnesota
$33.9K +$33.9K +12,121 New
IIM
45
INTECH Investment Management
Florida
$33.8K -$16.2K -5,793 -32%
Fidelity Investments
46
Fidelity Investments
Massachusetts
$30.6K -$7.06K -2,520 -19%
New York State Common Retirement Fund
47
New York State Common Retirement Fund
New York
$30K
AllianceBernstein
48
AllianceBernstein
Tennessee
$28.5K +$28.5K +10,190 New
PFSRSONJ
49
Police & Firemen's Retirement System of New Jersey
New Jersey
$27K +$27K +9,637 New
Citigroup
50
Citigroup
New York
$26.5K -$22K -7,861 -45%