Revenue
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Mammoth Energy Services, Inc. (TUSK)
Price$3.12Cached quote
Net income
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Free cash flow
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Total cash / debt
CashTotal debt
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Financial statements
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $44.3M | $45.6M | $309.5M | $362.1M | $229.0M | $313.1M | $625.0M | $1.69B | $691.5M | $230.6M | $367.9M |
| Gross profit | $1.7M | $3.1M | $61.7M | $83.5M | $30.6M | $81.1M | $81.2M | $596.3M | $208.9M | $57.6M | $93.3M |
| Gross margin | 3.90% | 6.72% | 19.92% | 23.06% | 13.38% | 25.89% | 13.00% | 35.28% | 30.21% | 24.98% | 25.34% |
| Operating expenses | $101.7M | $166.0M | $326.2M | $378.5M | $153.7M | $462.4M | $753.4M | $1.30B | $628.7M | $265.3M | $383.7M |
| Operating income | −$57.4M | −$120.4M | −$16.7M | −$16.4M | −$123.0M | −$148.7M | −$128.4M | $394.5M | $62.8M | −$34.6M | −$15.8M |
| Operating margin | −129.67% | −263.95% | −5.39% | −4.53% | −53.74% | −47.49% | −20.54% | 23.34% | 9.08% | −15.02% | −4.29% |
| EBITDA | −$48.7M | −$110.1M | $25.0M | $44.9M | −$45.9M | −$54.3M | −$14.8M | $510.8M | $154.9M | $37.7M | $58.7M |
| EBITDA margin | −109.97% | −241.36% | 8.07% | 12.40% | −20.07% | −17.35% | −2.37% | 30.22% | 22.40% | 16.34% | 15.96% |
| Net income | $4.6M | −$207.3M | −$3.2M | −$619,000 | −$101.4M | −$107.6M | −$79.0M | $236.0M | $59.0M | −$92.5M | −$21.8M |
| Net profit margin | 10.38% | −454.67% | −1.02% | −0.17% | −44.30% | −34.37% | −12.65% | 13.96% | 8.53% | −40.09% | −5.93% |
| Basic EPSper basic share | $0.10 | -$4.31 | -$0.07 | -$0.01 | -$2.18 | -$2.36 | -$1.76 | $5.27 | $1.42 | -$2.94 | -$0.73 |
| Diluted EPSper diluted share | $0.10 | -$4.31 | -$0.07 | -$0.01 | -$2.18 | -$2.36 | -$1.76 | $5.24 | $1.42 | -$2.94 | -$0.73 |
Owners
Reported shareholders
25.08%of listed shares
WEXFORD CAPITAL LP12.07M shares · Jun 30, 2026
View holders
| Holder | % owned |
|---|---|
WEXFORD CAPITAL LP | 25.08%12.07M shares |
CD Holding Company, LLC / DAVIDSON CHARLES E | ≈13.44%6.47M shares |
ADAGE CAPITAL PARTNERS GP, L.L.C. | 9.51%4.58M shares |
VANGUARD CAPITAL MANAGEMENT LLC | 2.20%1.06M shares |
Peapod Lane Capital LLC | 1.68%807.8K shares |
DIMENSIONAL FUND ADVISORS LP | 1.44%691.67K shares |
JANE STREET GROUP, LLC | 1.05%506.66K shares |
CITADEL ADVISORS LLC | 0.94%452.16K shares |
BlackRock, Inc. | 0.85%407.98K shares |
MARSHALL WACE, LLP | 0.82%395.58K shares |
Johns Hopkins University | 0.80%387.36K shares |
BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.69%332.31K shares |
Russell Investments Group, Ltd. | 0.69%329.82K shares |
GEODE CAPITAL MANAGEMENT, LLC | 0.64%306.03K shares |
RENAISSANCE TECHNOLOGIES LLC | 0.61%292.28K shares |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.60%290.1K shares |
Empowered Funds, LLC | 0.50%241.31K shares |
AQR CAPITAL MANAGEMENT LLC | 0.37%177.82K shares |
VANGUARD FIDUCIARY TRUST CO | 0.34%161.79K shares |
Round Rock Advisors LLC | 0.32%152.84K shares |
Percentages use 48.13M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.
Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.
Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data
Insider buys & sells
| Transaction | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| Jun 17, 2026Form 4 | Wexford GP LLC +3Chief Business Officer | BuyCommon Stock · indirect | 4.02M | $2.60 | $10.45M | 10.62M |
| Jun 12, 2026Form 4 | Amron Arthur HDirector | BuyCommon Stock | 2.0K | $3.28 | $6.6K | 67.1K |
| Jun 11, 2026Form 4 | Amron Arthur HDirector | BuyCommon Stock | 2.5K | $3.22 | $8.1K | 65.1K |
| May 28, 2026Form 4 | Amron Arthur HDirector | BuyCommon Stock | 3.0K | $3.25 | $9.8K | 62.6K |
| May 26, 2026Form 4 | Amron Arthur HDirector | BuyCommon Stock | 2.5K | $3.24 | $8.1K | 59.6K |