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Mammoth Energy Services

76 hedge funds and large institutions have $82.6M invested in Mammoth Energy Services in 2025 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 17 increasing their positions, 29 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

19% less capital invested

Capital invested by funds: $102M → $82.6M (-$19.4M)

41% less repeat investments, than reductions

Existing positions increased: 17 | Existing positions reduced: 29

66% less call options, than puts

Call options by funds: $35K | Put options by funds: $102K

Holders
76
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
$35K
Puts
$102K
Net Calls
Net Calls Change

Top Buyers

1 +$279K
2 +$165K
3 +$90.5K
4
Jane Street
Jane Street
New York
+$79.1K
5
NA
NewEdge Advisors
Louisiana
+$58.4K