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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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

0% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 5

1.8% less ownership

Funds ownership: 77.53%75.73% (-1.8%)

77% less call options, than puts

Call options by funds: $45K | Put options by funds: $199K

Holders
65
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$45K
Puts
$199K
Net Calls
Net Calls Change

Top Sellers

1 -$3.51M
2 -$1.18M
3 -$420K
4
Citadel Advisors
Citadel Advisors
Florida
-$105K
5
Millennium Management
Millennium Management
New York
-$103K