Who Owns MAMMOTH ENERGY SVCS INC (TUSK)? -- Institutional Holders (2026-06-30)

114 institutions reported holding $85.2M of MAMMOTH ENERGY SVCS INC (TUSK) in SEC 13F filings for 2026-06-30. Largest institutional holders: WEXFORD CAPITAL LP ($39.2M), ADAGE CAPITAL PARTNERS GP, L.L.C. ($14.9M), VANGUARD GROUP INC ($4.0M), Peapod Lane Capital LLC ($2.6M), DIMENSIONAL FUND ADVISORS LP ($2.2M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	WEXFORD CAPITAL LP	$39.2M	12.1M	Trimmed
2	ADAGE CAPITAL PARTNERS GP, L.L.C.	$14.9M	4.6M	Hold
3	VANGUARD GROUP INC	$4.0M	1.2M	Added
4	Peapod Lane Capital LLC	$2.6M	807,804	Added
5	DIMENSIONAL FUND ADVISORS LP	$2.2M	691,667	Added
6	CITADEL ADVISORS LLC	$1.9M	593,263	Added
7	JANE STREET GROUP, LLC	$1.6M	506,662	Added
8	BlackRock, Inc.	$1.3M	407,976	Trimmed
9	MARSHALL WACE, LLP	$1.3M	395,583	New
10	Johns Hopkins University	$1.3M	387,359	New
11	BRIDGEWAY CAPITAL MANAGEMENT, LLC	$1.1M	332,313	Hold
12	Russell Investments Group, Ltd.	$1.1M	329,821	Added
13	GEODE CAPITAL MANAGEMENT, LLC	$995,730	306,028	Trimmed
14	RENAISSANCE TECHNOLOGIES LLC	$949,910	292,280	Added
15	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	$942,812	290,096	New
16	Empowered Funds, LLC	$784,267	241,313	Hold
17	AQR CAPITAL MANAGEMENT LLC	$577,928	177,824	Added
18	Round Rock Advisors, LLC	$496,733	152,841	New
19	MORGAN STANLEY	$434,070	133,560	Trimmed
20	Centiva Capital, LP	$425,328	130,870	Added
21	GSA CAPITAL PARTNERS LLP	$421,000	129,547	Added
22	MILLENNIUM MANAGEMENT LLC	$403,604	124,186	New
23	ACADIAN ASSET MANAGEMENT LLC	$396,000	122,050	Trimmed
24	Marquette Asset Management, LLC	$356,935	109,826	New
25	STIFEL FINANCIAL CORP	$343,109	105,572	Hold

来源：SEC 13F 申报文件 · 截至 2026-06-30