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