Mammoth Energy Services
TUSK
TUSK
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
Top Buyers
| 1 |
Adage Capital Partners
Boston,
Massachusetts
|
$12.8M |
| 2 |
JPMorgan Chase & Co
New York
|
$520K |
| 3 |
Morgan Stanley
New York
|
$519K |
| 4 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
$244K |
| 5 |
Marshall Wace
London,
United Kingdom
|
$161K |
Top Sellers
| 1 |
RA
Royce & Associates
New York
|
$115K |
| 2 |
V
ValueWorks
New York
|
$6.7M |
| 3 |
RC
Rangeley Capital
New Canaan,
Connecticut
|
$0 |
| 4 |
Citadel Advisors
Miami,
Florida
|
$410K |
| 5 |
Millennium Management
New York
|
$61.2K |
