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Mammoth Energy Services

77 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, 30 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)

43% less repeat investments, than reductions

Existing positions increased: 17 | Existing positions reduced: 30

66% less call options, than puts

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

Holders
77
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 +$300K
2 +$178K
3 +$97.3K
4
Jane Street
Jane Street
New York
+$85K
5
NA
NewEdge Advisors
Louisiana
+$62.8K
Name Holding Trade Value Shares
Change
Change in
Stake
51
$25.6K
52
$24.6K
53
$24.5K
54
$22.1K
55
$11.2K
56
$10.3K
57
$8.57K
58
$4.99K
59
$4.79K
60
$4.41K
61
$4.04K
62
$3.83K
63
$2K
64
$1.67K
65
$1.15K
66
$1K
67
$987
68
$751
69
$357
70
$275
71
$160
72
$69
73
$26
74
$19
75
$9