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MAMMOTH ENERGY SERVICES, INC. (TUSK) Ownership Summary
Institutional Holders
Total Number of Holders 75
% of Shares Outstanding 80.48%
Total Shares Held 38,732,449
Total Value of Holdings $142,535,412.32
Net Activity (269,695)
 
Top 5 Holders Shares Held Shares Changed
WEXFORD CAPITAL LP 22,078,491 47,619
ADAGE CAPITAL PARTNERS GP, L.L.C. 4,400,000 25,000
VALUEWORKS LLC 3,336,368 (7,250)
BLACKROCK INC. 1,410,164 (33,451)
KANEN WEALTH MANAGEMENT LLC 1,323,442 (136,709)

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Insider Trades
 Last 3 mos.Last 12 mos.
Number of Insider Trades08
Number of Buys03
Number of Sells05
Net Activity 0 (182,000)
 
Top 5 TradesShares Traded Date
AMRON ARTHUR H27,8566/12/2024
BOOKER COREY J.27,8566/12/2024
JACOBI PAUL M.27,8566/12/2024
PALM JAMES D27,8566/12/2024
SMITH ARTHUR L27,8566/12/2024

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5% Ownership (SC 13D & SC 13G Filings)
View Form   Filer  Received  Period 
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View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   VALUEWORKS LLC  02/13/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   WEXFORD CAPITAL LP  02/09/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   ADAGE CAPITAL PARTNERS GP, L.L.C.  02/07/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G   VALUEWORKS LLC  02/10/23   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   ADAGE CAPITAL PARTNERS GP, L.L.C.  02/09/23   File this document to a folder.