Mammoth Energy Services Inc. (TUSK)

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Sector: Industrials

Hedge Fund Popularity

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Hedge Fund Holdings

Filing Period:

Last updated on December 02, 2025, 3:47pm based on SEC 13F filings Last update: December 02, 2025, 3:47pm

No.	Hedge Fund	Shares	Value	Activity	% Port
1.	Wexford Capital Charles Davidson	22,096,068	$50,599,990		7.27%
2.	Adage Capital Management Phill Gross And Robert Atchinson	4,575,000	$10,476,750		0.02%
3.	Valueworks LLC Charles Lemonides	2,038,205	$4,667,489	-15%	1.36%
4.	Citadel Investment Group Ken Griffin	268,315	$614,442	+84%	0%
5.	CastleKnight Management Aaron Weitman	167,433	$383,422		0.01%

Insider Trading: Purchases See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Amron Director	$2.97	1,000	$2,971.30	47,135	2024-12-12	Filing
Amron Director	$3.65	3,000	$10,944.30	18,279	2024-05-30	Filing
Amron Director	$3.57	2,000	$7,148.00	15,279	2024-05-28	Filing
Amron Director	$3.72	3,000	$11,157.00	13,279	2024-03-12	Filing
Wexford	$2.17	10,382	$22,577.74	22,434,125	2022-06-17	Filing

Insider Trading: Sales See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Smith Director	$2.51	20,000	$50,200.00	130,034	2025-05-22	Filing
Smith Director	$2.51	50,000	$125,500.00	150,034	2025-05-20	Filing
Smith Director	$2.49	15,000	$37,350.00	200,034	2025-05-19	Filing
Booker Director	$3.47	15,000	$52,050.00	125,488	2024-11-25	Filing
Booker Director	$3.43	10,000	$34,300.00	140,488	2024-11-22	Filing

Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	1,452,463	$3,326,140	0%
2.	Vanguard Group Inc	945,630	$2,165,492	0%
3.	Dimensional Fund Advisors Lp	936,414	$2,144,586	0%
4.	Geode Capital Management, Llc	579,105	$1,326,299	0%
5.	State Street Corp	406,916	$931,838	0%