How many institutions held TUSK - MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value in Q4 2023?

67 institutional investors reported TUSK - MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value for Q4 2023. Use the holders table for investor-level position and value details.

MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK)

Q: What does CUSIP 56155L108 represent in this 13F holders report?

CUSIP 56155L108 is the security identifier for TUSK - MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value used to aggregate holder disclosures.

CUSIP: 56155L108

Q4 2023 13F Holders as of 31 Dec 2023

Type / Class: Equity / Common Stock, $0.01 par value
Shares outstanding: 48,165,948
Total 13F shares: 39,323,837
Share change: -255,988
Total reported value: $175,382,941
Put/Call ratio: 6.7%
Price per share: $4.46
Number of holders: 67
Value change: -$1,190,175
Number of buys: 33
Number of sells: 31

Quarterly Holders Quick Answers

What is CUSIP 56155L108?
CUSIP 56155L108 identifies TUSK - MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2024
Previous quarter: Q3 2023

Recent filing periods for CUSIP 56155L108:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of TUSK - MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
WEXFORD CAPITAL LP	13F	Company	47%	22,566,238	$104,707,344	—	30 Sep 2023	13F
GPOR Distribution Trust	3/4/5	10%+ Owner	— class O/S missing	9,829,548	$42,797,852	—	30 Jun 2021	3/4/5
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	7.7%	3,700,000	$17,168,000	—	30 Sep 2023	13F
VALUEWORKS LLC	13F	Company	7%	3,374,263	$15,623,000	—	30 Sep 2023	13F
Kanen Wealth Management LLC	13F	Company	3.5%	1,690,570	$7,844,244	—	30 Sep 2023	13F
BlackRock Finance, Inc.	13F	Company	2.9%	1,376,010	$6,384,687	—	30 Sep 2023	13F
ROYCE & ASSOCIATES LP	13F	Company	2.7%	1,280,151	$5,939,901	—	30 Sep 2023	13F
Arty Straehla	3/4/5	Chief Executive Officer, Director	— class O/S missing	1,013,899	$4,414,516	—	18 Dec 2023	3/4/5
VANGUARD GROUP INC	13F	Company	1.4%	672,956	$3,122,516	—	30 Sep 2023	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1%	490,708	$2,277,042	—	30 Sep 2023	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.97%	468,427	$2,173,778	—	30 Sep 2023	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.91%	437,601	$2,029,000	—	30 Sep 2023	13F
STATE STREET CORP	13F	Company	0.86%	414,606	$1,923,772	—	30 Sep 2023	13F
Mark E. Layton	3/4/5	CFO and Secretary	— class O/S missing	418,985	$1,824,261	—	03 Mar 2023	3/4/5
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.74%	355,528	$1,649,650	—	30 Sep 2023	13F
X-Square Capital, LLC	13F	Company	0.45%	215,092	$1,039,000	—	30 Sep 2023	13F
NORTHERN TRUST CORP	13F	Company	0.41%	198,164	$919,481	—	30 Sep 2023	13F
CastleKnight Management LP	13F	Company	0.39%	187,433	$869,689	—	30 Sep 2023	13F
Invesco Ltd.	13F	Company	0.34%	161,621	$749,921	—	30 Sep 2023	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.32%	152,572	$708,000	—	30 Sep 2023	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.31%	148,700	$689,968	—	30 Sep 2023	13F
Russell Investments Group, Ltd.	13F	Company	0.29%	140,162	$650,350	—	30 Sep 2023	13F
Bank of New York Mellon Corp	13F	Company	0.27%	131,158	$608,573	—	30 Sep 2023	13F
STIFEL FINANCIAL CORP	13F	Company	0.22%	107,072	$496,814	—	30 Sep 2023	13F
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.19%	93,214	$432,513	—	30 Sep 2023	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.18%	88,948	$413,000	—	30 Sep 2023	13F
Penbrook Management LLC	13F	Company	0.17%	80,900	$375,376	—	30 Sep 2023	13F
OSAIC HOLDINGS, INC.	13F	Company	0.17%	79,965	$371,038	—	30 Sep 2023	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.13%	63,981	$296,872	—	30 Sep 2023	13F
FIRST TRUST ADVISORS LP	13F	Company	0.13%	61,735	$286,450	—	30 Sep 2023	13F
NBC SECURITIES, INC.	13F	Company	0.12%	58,740	$272,000	—	30 Sep 2023	13F
Long Focus Capital Management, LLC	13F	Company	0.12%	57,681	$267,640	—	30 Sep 2023	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	0.12%	57,096	$264,925	—	30 Sep 2023	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.1%	48,121	$223,281	—	30 Sep 2023	13F
MORGAN STANLEY	13F	Company	0.08%	36,418	$168,980	—	30 Sep 2023	13F
WINTON GROUP Ltd	13F	Company	0.07%	35,816	$166,186	—	30 Sep 2023	13F
Boston Partners	13F	Company	0.07%	35,093	$162,830	—	30 Sep 2023	13F
Nuveen Asset Management, LLC	13F	Company	0.07%	32,142	$149,139	—	30 Sep 2023	13F
ROYAL BANK OF CANADA	13F	Company	0.06%	29,812	$138,000	—	30 Sep 2023	13F
BARCLAYS PLC	13F	Company	0.06%	29,174	$135,367	—	30 Sep 2023	13F
Empowered Funds, LLC	13F	Company	0.06%	27,828	$129,122	—	30 Sep 2023	13F
Full Sail Capital, LLC	13F	Company	0.06%	27,191	$126,166	—	30 Sep 2023	13F
RHUMBLINE ADVISERS	13F	Company	0.05%	25,957	$120,434	—	30 Sep 2023	13F
NJ State Employees Deferred Compensation Plan	13F	Company	0.05%	24,000	$111,360	—	30 Sep 2023	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.05%	22,752	$106,000	—	30 Sep 2023	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.05%	21,916	$101,690	—	30 Sep 2023	13F
ALGERT GLOBAL LLC	13F	Company	0.04%	19,010	$88,000	—	30 Sep 2023	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.04%	17,872	$82,925	—	30 Sep 2023	13F
Cruiser Capital Advisors, LLC	13F	Company	0.04%	17,125	$79,460	—	30 Sep 2023	13F
Archer Investment Corp	13F	Company	0.04%	17,100	$79,344	—	30 Sep 2023	13F

Institutional Holders of MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK) as of Q4 2023

As of 31 Dec 2023, MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK) was held by 67 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 39,323,837 shares. The largest 10 holders included WEXFORD CAPITAL LP, ADAGE CAPITAL PARTNERS GP, L.L.C., VALUEWORKS LLC, Kanen Wealth Management LLC, BlackRock Inc., ROYCE & ASSOCIATES LP, VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, GEODE CAPITAL MANAGEMENT, LLC, and STATE STREET CORP. This page lists 67 institutional shareholders reporting positions in this security for the Q4 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

Q4 2023 holders

Holder diff

-7

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 Value $	Q4 2023 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.