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Mammoth Energy Services

67 hedge funds and large institutions have $608M invested in Mammoth Energy Services in 2017 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 32 increasing their positions, 21 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
67
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$85.2M
2 +$44.1M
3 +$4.54M
4
American Century Companies
American Century Companies
Missouri
+$4.14M
5
RA
Royce & Associates
New York
+$2.26M

Top Sellers

1 -$2.71M
2 -$1.21M
3 -$1.06M
4
SIM
Spark Investment Management
New York
-$1.03M
5
UOC
UBS O'Connor
Illinois
-$783K
Name Holding Trade Value Shares
Change
Change in
Stake
76
77
78
79
80
81