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Mammoth Energy Services, Inc.

TUSK
Exchange
Nasdaq
Industry
Oil & Gas Field Services, NEC
SEC CIK
0001679268

In the last 90 days, Mammoth Energy Services, Inc. insiders filed 1 open-market purchase and 0 sales; 93 institutions reported holding it in 13F filings for Q2 2026, worth $84.7M in total; no superinvestor holds it.

13F holders, Q1 2021

Institutional positions in Mammoth Energy Services, Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
54
No complete 13F data for Q4 2020
Shares held
28.8M
No complete 13F data for Q4 2020
Total value
$153.3M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting TUSK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 54 institutions
Q1 2021: 54 institutionsQ2 2021: 52 institutionsQ3 2021: 46 institutionsQ4 2021: 44 institutionsQ1 2022: 50 institutionsQ2 2022: 49 institutionsQ3 2022: 58 institutionsQ4 2022: 80 institutionsQ1 2023: 77 institutionsQ2 2023: 72 institutionsQ3 2023: 75 institutionsQ4 2023: 67 institutionsQ1 2024: 67 institutionsQ2 2024: 67 institutionsQ3 2024: 64 institutionsQ4 2024: 67 institutionsQ1 2025: 66 institutionsQ2 2025: 66 institutionsQ3 2025: 77 institutionsQ4 2025: 72 institutionsQ1 2026: 90 institutionsQ2 2026: 93 institutions
Value heldQ1 2021: $153.3M
Q1 2021: $153.3MQ2 2021: $134.0MQ3 2021: $22.1MQ4 2021: $14.5MQ1 2022: $21.5MQ2 2022: $27.8MQ3 2022: $126.1MQ4 2022: $323.2MQ1 2023: $161.9MQ2 2023: $186.7MQ3 2023: $183.6MQ4 2023: $175.4MQ1 2024: $141.9MQ2 2024: $127.0MQ3 2024: $151.9MQ4 2024: $112.6MQ1 2025: $76.1MQ2 2025: $101.9MQ3 2025: $82.6MQ4 2025: $63.6MQ1 2026: $86.0MQ2 2026: $84.7M
Institutions holding TUSK and their total value by quarter
QuarterHoldersValue
Q2 202693$84.7M
Q1 202690$86.0M
Q4 202572$63.6M
Q3 202577$82.6M
Q2 202566$101.9M
Q1 202566$76.1M
Q4 202467$112.6M
Q3 202464$151.9M
Q2 202467$127.0M
Q1 202467$141.9M
Q4 202367$175.4M
Q3 202375$183.6M
Q2 202372$186.7M
Q1 202377$161.9M
Q4 202280$323.2M
Q3 202258$126.1M
Q2 202249$27.8M
Q1 202250$21.5M
Q4 202144$14.5M
Q3 202146$22.1M
Q2 202152$134.0M
Q1 202154$153.3M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding TUSK in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Wexford Capital LP22,066,259$117.4M17.53%––
Valueworks LLC3,267,736$17.4M9.85%––
Vanguard Group Inc637,500$3.39M0.00%––
Bridgeway Capital Management, LLC453,800$2.41M0.05%––
Geode Capital Management, LLC306,978$1.63M0.00%––
BlackRock Inc.286,177$1.52M0.00%––
Millennium Management LLC233,119$1.24M0.00%––
Dimensional Fund Advisors LP205,786$1.09M0.00%––
Two Sigma Advisers, LP164,500$875.0K0.00%––
Renaissance Technologies LLC134,072$713.0K0.00%––
Susquehanna International Group, LLP109,958$585.0K0.00%––
Bank of New York Mellon Corp103,385$550.0K0.00%––
Squarepoint Ops LLC85,217$453.0K0.00%––
Northern Trust Corp83,584$445.0K0.00%––
Acadian Asset Management LLC68,846$366.0K0.00%––
Winton Group Ltd62,903$335.0K0.02%––
Two Sigma Investments, LP59,178$315.0K0.00%––
Stifel Financial Corp55,572$296.0K0.00%––
Cambridge Investment Research Advisors, Inc.55,029$293.0K0.00%––
Price T Rowe Associates Inc44,270$236.0K0.00%––
Citadel Advisors LLC40,601$216.0K0.00%––
Invesco Ltd.38,018$202.0K0.00%––
Goldman Sachs Group Inc36,871$196.0K0.00%––
ExodusPoint Capital Management, LP26,542$141.0K0.00%––
NJ State Employees Deferred Compensation Plan24,000$128.0K0.02%––
Sigma Planning Corp21,500$114.0K0.00%––
Brandywine Global Investment Management, LLC18,950$101.0K0.00%––
Charles Schwab Investment Management Inc15,843$85.0K0.00%––
Occudo Quantitative Strategies LP13,844$74.0K0.02%––
Schonfeld Strategic Advisors LLC12,755$68.0K0.00%––
HRT Financial LP11,424$60.0K0.00%––
State Street Corp10,900$58.0K0.00%––
Mad River Investors10,700$57.0K0.04%––
Pinz Capital Management, LP8,028$43.0K0.01%––
Schroder Investment Management Group6,500$35.0K0.00%––
Citigroup Inc6,197$33.0K0.00%––
Dorsey Wright & Associates6,190$32.9K0.39%––
Simplex Trading, LLC5,566$29.0K0.00%––
Group One Trading, L.P.3,900$21.0K0.00%––
Royal Bank of Canada3,872$21.0K0.00%––
NEXT Financial Group, Inc2,600$14.0K0.00%––
American Portfolios Advisors2,280$12.1K0.00%––
Barclays PLC2,326$12.0K0.00%––
Advisor Group Holdings, Inc.2,123$11.0K0.00%––
Wells Fargo & Company2,007$10.0K0.00%––
JPMorgan Chase & Co1,414$7.00K0.00%––
Bank of America Corp949$5.00K0.00%––
Tower Research Capital LLC (TRC)534$3.00K0.00%––
BNP Paribas Arbitrage, SA534$2.84K0.00%––
O'Shaughnessy Asset Management, LLC286$2.00K0.00%––
Harbour Investments, Inc.205$1.00K0.00%––
International Assets Investment Management, LLC204$1.00K0.00%––
Morgan Stanley77$00.00%––
UBS Group AG12$00.00%––