Mammoth Energy Services, Inc.

DIMENSIONAL FUND ADVISORS LP TUSK

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/12/2026

Shares

699,678

Value ($000)

1,294

Weight

0.0%

2019 Q4 - 2025 Q4 (25 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
2025 Q4	2/12/2026	1,294	0.0%	699,678	12/31/2025
2025 Q3	11/12/2025	2,145	0.0%	936,414	9/30/2025
2025 Q2	8/12/2025	2,783	0.0%	993,914	6/30/2025
2025 Q1	5/13/2025	2,043	0.0%	1,001,204	3/31/2025
2024 Q4	2/13/2025	2,973	0.0%	991,223	12/31/2024
2024 Q3	11/7/2024	3,652	0.0%	892,928	9/30/2024
2024 Q2	8/9/2024	2,645	0.0%	806,280	6/30/2024
2024 Q1	5/10/2024	2,574	0.0%	707,187	3/31/2024
2023 Q4	2/7/2024	2,877	0.0%	644,986	12/31/2023
2023 Q3	11/9/2023	2,277	0.0%	490,708	9/30/2023
2023 Q2	8/9/2023	1,526	0.0%	315,982	6/30/2023
2023 Q1	5/12/2023	1,315	0.0%	311,586	3/31/2023
2022 Q4	2/9/2023	2,795	0.0%	323,185	12/31/2022
2022 Q3	11/10/2022	822	0.0%	241,144	9/30/2022
2022 Q2	8/12/2022	367	0.0%	166,941	6/30/2022
2022 Q1	5/13/2022	213	0.0%	99,830	3/31/2022
2021 Q4	2/9/2022	287	0.0%	157,866	12/31/2021
2021 Q3	11/12/2021	473	0.0%	162,623	9/30/2021
2021 Q2	8/12/2021	904	0.0%	197,030	6/30/2021
2021 Q1	5/14/2021	1,095	0.0%	205,786	3/31/2021
2020 Q4	3/8/2021	916	0.0%	205,786	12/31/2020
2020 Q3	11/12/2020	445	0.0%	278,218	9/30/2020
2020 Q2	8/13/2020	550	0.0%	466,316	6/30/2020
2020 Q1	5/14/2020	564	0.0%	753,157	3/31/2020
2019 Q4	2/14/2020	1,660	0.0%	754,451	12/31/2019