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Mammoth Energy
TUSK
2.720
1.45% ( -0.040 )
Trading: Oct 22, 14:15:20 (EDT)
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Overview
Overview
Options
Options
News
News
Posts
Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
44.48%
Public and others
30.33%
Individuals & Insiders
15.68%
Hedge funds
9.51%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
Wexford Capital LP
25.08%
12.07M
20.73%
-10.00M
06/30/2026
Charles Davidson
13.44%
6.47M
--
+6.47M
06/17/2026
Adage Capital Management, L.P.
9.51%
4.58M
<0.01%
+0
06/30/2026
Vanguard Capital Management, LLC
2.54%
1.22M
0.48%
+232.14K
06/30/2026
Peapod Lane Capital LLC
1.68%
807.80K
0.43%
+208.00K
06/30/2026
Dimensional Fund Advisors LP
1.44%
691.67K
0.01%
+5.47K
06/30/2026
Bridgeway Capital Management, LLC
1.19%
573.63K
<0.01%
+0
06/30/2026
Jane Street Group, LLC
1.05%
506.66K
1.01%
+483.81K
06/30/2026
Citadel Advisors LLC
0.94%
452.16K
0.25%
+120.80K
06/30/2026
Mark Layton
CFO & Company Secretary
0.87%
418.99K
<0.01%
+0
04/24/2026
BlackRock, Inc.
0.85%
407.98K
2.17%
-1.05M
06/30/2026
Marshall Wace LLP
0.82%
395.58K
0.82%
+395.58K
06/30/2026
Johns Hopkins University
0.80%
387.36K
--
+387.36K
06/30/2026
Russell Investment Management, LLC
0.69%
329.82K
0.54%
+261.79K
06/30/2026
Geode Capital Management, LLC
0.64%
306.03K
0.63%
-304.90K
06/30/2026
Renaissance Technologies LLC
0.61%
292.28K
0.13%
+60.31K
06/30/2026
Arrowstreet Capital, Limited Partnership
0.60%
290.10K
--
+290.10K
06/30/2026
James Palm
Independent Director
0.50%
240.14K
0.06%
+27.86K
04/24/2026
AQR Capital Management, LLC
0.36%
175.45K
0.23%
+110.06K
06/30/2026
Phillip Lancaster
Non-Independent Voting Member of the Board
0.33%
159.45K
0.18%
+84.45K
06/26/2026