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Livermore
Livermore
ZHEN

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 2023

Institutional positions in Mammoth Energy Services, Inc. as of Mar 31, 2023. 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
77
−2 vs. Q4 2022
Shares held
38.3M
+1.15M (+3.1%) vs. Q4 2022
Total value
$161.9M
−$159.7M (−49.7%) vs. Q4 2022
New holders
12
34 more added
Sold out
14
17 more reduced

1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

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 2023: 77 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 2023: $161.9M
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 2023

Shares, value and share of portfolio for each institution holding Mammoth Energy Services, Inc.; share changes are against Q4 2022.

Institutions holding TUSK in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Wexford Capital LP22,474,914$94.8M19.64%−10,4930.0%Reduced
Valueworks LLC3,400,768$14.4M5.46%−110,924−3.2%Reduced
Adage Capital Partners GP, L.L.C.3,200,050$13.5M0.03%+72,782+2.3%Added
Kanen Wealth Management LLC1,775,501$7.49M5.10%+660,925+59.3%Added
Royce & Associates LP1,290,194$5.44M0.05%−91,100−6.6%Reduced
Acadian Asset Management LLC668,056$2.82M0.01%+390,548+140.7%Added
Vanguard Group Inc566,009$2.39M0.00%+62,234+12.4%Added
Exencial Wealth Advisors, LLC507,610$2.14M0.11%+177,250+53.7%Added
X-Square Capital, LLC405,092$1.71M1.01%+15,000+3.8%Added
Millennium Management LLC404,967$1.71M0.00%+61,061+17.8%Added
Dimensional Fund Advisors LP311,586$1.31M0.00%−11,599−3.6%Reduced
Two Sigma Advisers, LP270,900$1.14M0.00%+2,800+1.0%Added
BlackRock Inc.259,560$1.10M0.00%+15,616+6.4%Added
Renaissance Technologies LLC250,472$1.06M0.00%+46,800+23.0%Added
Geode Capital Management, LLC201,059$848.5K0.00%+9,911+5.2%Added
Bridgeway Capital Management, LLC164,600$694.6K0.02%00.0%Unchanged
Russell Investments Group, Ltd.147,488$622.4K0.00%−17,885−10.8%Reduced
HRT Financial LP131,412$554.0K0.01%+69,419+112.0%Added
Jane Street Group, LLC113,551$479.2K0.00%+78,170+220.9%Added
Two Sigma Investments, LP109,406$461.7K0.00%−49,517−31.2%Reduced
Stifel Financial Corp107,072$451.8K0.00%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.95,825$404.4K0.00%+25,795+36.8%Added
Invesco Ltd.86,352$364.4K0.00%+86,352New
Marshall Wace, LLP86,135$363.5K0.00%−76,593−47.1%Reduced
Penbrook Management LLC81,300$343.1K0.27%+81,300New
Susquehanna International Group, LLP79,383$335.0K0.00%+2,351+3.1%Added
State Street Corp78,714$332.2K0.00%+16,100+25.7%Added
Bank of New York Mellon Corp73,030$308.2K0.00%+381+0.5%Added
Jump Financial, LLC67,937$286.7K0.01%+26,537+64.1%Added
Citadel Advisors LLC66,726$281.6K0.00%+20,934+45.7%Added
Cubist Systematic Strategies, LLC64,776$273.4K0.00%+39,821+159.6%Added
Long Focus Capital Management, LLC57,681$243.4K0.04%00.0%Unchanged
Morgan Stanley54,506$230.0K0.00%+31,176+133.6%Added
Caxton Associates LP51,785$218.5K0.03%−7,842−13.2%Reduced
Barclays PLC51,489$217.3K0.00%+1,489+3.0%Added
Goldman Sachs Group Inc51,489$217.3K0.00%+34,192+197.7%Added
Boston Partners40,428$170.6K0.00%−4,645−10.3%Reduced
Qube Research & Technologies Ltd38,008$160.4K0.00%+22,487+144.9%Added
Northern Trust Corp37,154$156.8K0.00%+2,168+6.2%Added
O'Shaughnessy Asset Management, LLC37,149$156.8K0.00%−10,627−22.2%Reduced
Algert Global LLC33,090$139.6K0.01%+15,260+85.6%Added
683 Capital Management, LLC29,795$125.7K0.01%−2,275−7.1%Reduced
Man Group plc–$117.3K0.00%––
Full Sail Capital, LLC27,191$114.7K0.01%00.0%Unchanged
Squarepoint Ops LLC24,758$104.5K0.00%+24,758New
Gsa Capital Partners LLP24,302$103.0K0.01%+24,302New
NJ State Employees Deferred Compensation Plan24,000$101.3K0.02%00.0%Unchanged
Price T Rowe Associates Inc18,000$76.0K0.00%00.0%Unchanged
Ritholtz Wealth Management17,091$72.1K0.00%−8,622−33.5%Reduced
Archer Investment Corp17,000$71.7K0.03%+6,000+54.5%Added
Hillsdale Investment Management Inc.16,100$67.9K0.01%−2,500−13.4%Reduced
Boothbay Fund Management, LLC15,609$65.9K0.00%+2,339+17.6%Added
XTX Topco Ltd15,285$64.5K0.01%+15,285New
LPL Financial LLC13,732$57.9K0.00%+3,625+35.9%Added
LMR Partners LLP12,591$53.1K0.00%+12,591New
Virtu Financial LLC12,288$52.0K0.01%+12,288New
Charles Schwab Investment Management Inc10,739$45.3K0.00%00.0%Unchanged
UBS Group AG10,542$44.5K0.00%+10,542New
Advisor Group Holdings, Inc.8,315$35.1K0.00%−805−8.8%Reduced
Tower Research Capital LLC (TRC)7,812$33.0K0.00%+6,354+435.8%Added
Group One Trading, L.P.7,184$30.3K0.00%−77,503−91.5%Reduced
FMR LLC6,226$26.3K0.00%00.0%Unchanged
Point72 Asset Management, L.P.5,130$21.6K0.00%+2,655+107.3%Added
Simplex Trading, LLC5,024$21.0K0.00%−29,954−85.6%Reduced
Point72 Middle East FZE3,894$16.4K0.00%+3,894New
Citigroup Inc2,494$10.5K0.00%+17+0.7%Added
Bank of America Corp2,013$8.49K0.00%+2,002+18,200.0%Added
Aquatic Capital Management LLC1,000$4.00K0.00%+1,000New
GWM Advisors LLC831$3.51K0.00%−1,400−62.8%Reduced
National Bank of Canada600$2.53K0.00%+600New
Tucker Asset Management LLC600$2.53K0.00%+600New
Advisory Services Network, LLC500$2.11K0.00%00.0%Unchanged
Harbour Investments, Inc.490$2.07K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA383$1.62K0.00%00.0%Unchanged
Wells Fargo & Company363$1.53K0.00%+2+0.6%Added
NewSquare Capital LLC100$4220.00%00.0%Unchanged
JPMorgan Chase & Co16$00.00%00.0%Unchanged
EAM Investors, LLC0$00.00%−244,508−100.0%Sold out
Intrinsic Edge Capital Management LLC0$00.00%−177,556−100.0%Sold out
Quadrature Capital Ltd0$00.00%−41,847−100.0%Sold out
HSBC Holdings PLC0$00.00%−13,471−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−13,261−100.0%Sold out
Wolverine Trading, LLC0$00.00%−12,905−100.0%Sold out
Mad River Investors0$00.00%−10,700−100.0%Sold out
Belvedere Trading LLC0$00.00%−1,823−100.0%Sold out
Federation des caisses Desjardins du Quebec0$00.00%−1,400−100.0%Sold out
Signaturefd, LLC0$00.00%−180−100.0%Sold out
Coppell Advisory Solutions LLC0$00.00%−166−100.0%Sold out
Coppell Advisory Solutions Corp.0$00.00%−166−100.0%Sold out
Capital Advisors, Ltd. LLC0$00.00%−18−100.0%Sold out
IFP Advisors, Inc0$00.00%−200−100.0%Sold out
Monarch Partners Asset Management LLC––––Not filed