Mammoth Energy Services, Inc.

SIMPLEX TRADING, LLC TUSK

Report date

3/31/2026

Quarter

2026 Q1

Filed

5/14/2026

Shares

5,538

Value ($000)

14

Weight

0.0%

2020 Q2 - 2026 Q1 (18 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2026 Q1	5/14/2026	14	0.0%	5,538	3/31/2026
2025 Q2	8/5/2025	6	0.0%	2,419	6/30/2025
2025 Q1	5/12/2025	22	0.0%	11,079	3/31/2025
2024 Q4	2/11/2025	3	0.0%	1,305	12/31/2024
2024 Q2	7/25/2024	26	0.0%	8,061	6/30/2024
2023 Q4	2/2/2024	159	0.0%	35,792	12/31/2023
2023 Q3	11/1/2023	30	0.0%	6,496	9/30/2023
2023 Q1	4/27/2023	21	0.0%	5,024	3/31/2023
2022 Q4	2/2/2023	302	0.0%	34,978	12/31/2022
2022 Q3	11/4/2022	12	0.0%	3,616	9/30/2022
2022 Q2	8/3/2022	18	0.0%	8,458	6/30/2022
2022 Q1	5/2/2022	11	0.0%	5,474	3/31/2022
2021 Q4	2/23/2022	15	0.0%	8,347	12/31/2021
2021 Q3	10/28/2021	25	0.0%	5,691	9/30/2021
2021 Q2	8/12/2021	26	0.0%	5,691	6/30/2021
2021 Q1	4/26/2021	29	0.0%	5,566	3/31/2021
2020 Q4	2/2/2021	3	0.0%	864	12/31/2020
2020 Q2	7/13/2020	3	0.0%	3,044	6/30/2020