VALUEWORKS LLC

Position in TUSK — Mammoth Energy Services, Inc.

CIK 1282189 NEW YORK, NY

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Position in TUSK

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$26,264

+$2,631 QoQ

Shares Held

10,720

-16.1% QoQ

Ownership

0.022%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in TUSK Over Time

Shares Held

Position Value (USD)

Position in Conglomerates

Industrials · as of Mar 31, 2026

VALUEWORKS LLC holds $26,264 across 1 Conglomerates name. TUSK ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	TUSK	Mammoth Energy Services, Inc. This page	10,720	$26,264

All Filings in TUSK

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$26,264	10,720	-16.1%	Shares	Sole	2026-05-15
2025-12-31	$23,633	12,775	-99.4%	Shares	Sole	2026-02-13
2025-09-30	$4,667,489	2,038,205	-14.7%	Shares	Sole	2025-11-14
2025-06-30	$6,689,286	2,389,031	0.0%	Shares	Sole	2025-08-12
2025-06-30	$6,689,286	2,389,031	-14.9%	Shares	Sole	2025-08-14
2025-03-31	$5,730,074	2,808,860	-0.5%	Shares	Sole	2025-05-14
2024-12-31	$8,469,555	2,823,185	-10.0%	Shares	Sole	2025-02-14
2024-09-30	$12,827,757	3,136,371	-6.0%	Shares	Sole	2024-11-14
2024-06-30	$10,943,287	3,336,368	-0.2%	Shares	Sole	2024-08-12
2024-03-31	$12,170,769	3,343,618	-0.2%	Shares	Sole	2024-05-13
2023-12-31	$14,939,742	3,349,718	-0.7%	Shares	Sole	2024-02-13
2023-09-30	$15,656,580	3,374,263	-0.3%	Shares	Sole	2023-11-13
2023-06-30	$16,342,126	3,383,463	-0.5%	Shares	Sole	2023-08-14
2023-03-31	$14,351,240	3,400,768	-3.2%	Shares	Sole	2023-05-12
2022-12-31	$30,376,135	3,511,692	+0.2%	Shares	Sole	2023-02-14
2022-09-30	$11,954,743	3,505,790	+0.4%	Shares	Sole	2022-11-09
2022-06-30	$7,682,703	3,492,138	-1.3%	Shares	Sole	2022-08-12
2022-03-31	$7,532,489	3,536,380	-0.1%	Shares	Sole	2022-05-13
2021-12-31	$6,445,089	3,541,258	-1.1%	Shares	Sole	2022-02-11
2021-09-30	$10,416,574	3,579,579	+1.9%	Shares	Sole	2021-10-19
2021-06-30	$16,124,077	3,512,871	+7.5%	Shares	Sole	2021-08-10
2021-03-31	$17,384,355	3,267,736	-3.0%	Shares	Sole	2021-05-25
2020-12-31	$14,986,705	3,367,799	-2.8%	Shares	Sole	2021-02-24
2020-09-30	$5,541,816	3,463,635	-4.5%	Shares	Sole	2020-11-17
2020-06-30	$4,280,485	3,627,530	+15.3%	Shares	Sole	2020-08-14
2020-03-31	$2,355,517	3,144,883	—	Shares	Sole	2020-05-19
No filing history on record for this holder in this stock.