Mammoth Energy Services, Inc. (TUSK)
Nasdaq · Oil & Gas Field Services, Nec · Mining · CIK 1679268 · fiscal year ends in Dec
Closing price $3.18 on 30 Oct 2026; 52-week range $1.73 to $3.84.
Key figures
The last twelve months reported, with the latest price and balance sheet.
- Revenue, last twelve months
- $78.9M
- Revenue growth
- -10.4%
- Net income, last twelve months
- $13.5M
- Earnings per share
- $0.29
- Operating margin
- -10.6%
- Net margin
- 17.1%
- Return on equity
- 5.1%
- Market value
- $153.0M
- Price to earnings
- 11.0x
- Cash
- $13.1M
- Debt
- $0
- Debt to equity
- 0.00
- Shares outstanding
- 48.1M
Financial statements
Revenue, profit and cash flow by fiscal year, each year linked to its annual report.
| Fiscal year | Year end | Revenue | Operating income | Net income | EPS | Free cash flow | Filing |
|---|---|---|---|---|---|---|---|
| FY2025 | 31 Dec 2025 | $44.3M | -$57.4M | $4.6M | $0.10 | -$89.1M | 10-K filed 6 Mar 2026 |
| FY2024 | 31 Dec 2024 | $45.6M | -$120.4M | -$207.3M | -$4.31 | $179.5M | 10-K filed 7 Mar 2025 |
| FY2023 | 31 Dec 2023 | $309.5M | -$16.7M | -$3.2M | -$0.07 | $12.0M | 10-K filed 1 Mar 2024 |
| FY2022 | 31 Dec 2022 | $362.1M | -$16.4M | -$619.0K | -$0.01 | $2.5M | 10-K filed 24 Feb 2023 |
| FY2021 | 31 Dec 2021 | $229.0M | -$123.0M | -$101.4M | -$2.18 | -$24.7M | 10-K filed 4 Mar 2022 |
By quarter
| Quarter | Quarter end | Revenue | Net income | EPS |
|---|---|---|---|---|
| Q3 FY2026 | 30 Sep 2026 | $21.3M | $126.0K | $0.01 |
| Q2 FY2026 | 30 Jun 2026 | $26.1M | -$760.0K | -$0.01 |
| Q1 FY2026 | 31 Mar 2026 | $22.0M | $5.2M | $0.11 |
| Q4 FY2025 | 31 Dec 2025 | $9.5M | $8.9M | $0.18 |
| Q3 FY2025 | 30 Sep 2025 | $10.9M | -$12.6M | -$0.26 |
| Q2 FY2025 | 30 Jun 2025 | $12.4M | $8.8M | $0.18 |
| Q1 FY2025 | 31 Mar 2025 | $11.6M | -$537.0K | -$0.01 |
| Q4 FY2024 | 31 Dec 2024 | $53.2M | -$15.5M | -$0.32 |
Revenue by segment
As the company reports it in the segment note of its annual report.
By business, FY2025
| Segment | Revenue | Share |
|---|---|---|
| Sand | $16.6M | 37.3% |
| Rentals | $11.1M | 25.0% |
| Accommodations | $9.0M | 20.2% |
| Infrastructure | $4.1M | 9.2% |
| Drilling | $3.7M | 8.3% |
By region, FY2025
| Segment | Revenue | Share |
|---|---|---|
| United States | $27.5M | 62.1% |
| Canada | $16.7M | 37.7% |
| Other | $76.0K | 0.2% |
Company events
The newest 8-K filings of 102 held.
| Filed | Form | Event | Items |
|---|---|---|---|
| 30 Oct 2026 | 8-K | Material agreement, New debt, Investor update | 1.01, 2.03, 7.01, 9.01 |
| 30 Oct 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 7 Aug 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 26 Jun 2026 | 8-K | Shareholder vote | 5.07 |
| 15 May 2026 | 8-K | Auditor change | 4.01, 9.01 |
| 11 May 2026 | 8-K | Results | 2.02, 9.01 |
| 6 Mar 2026 | 8-K | Results | 2.02, 9.01 |
| 4 Dec 2025 | 8-K | Deal completed, Material agreement, Investor update | 1.01, 2.01, 7.01, 9.01 |
| 31 Oct 2025 | 8-K | Results | 2.02, 9.01 |
| 8 Aug 2025 | 8-K | Results | 2.02, 9.01 |
| 3 Jul 2025 | 8-K | Leadership change, Material agreement | 1.01, 5.02, 9.01 |
| 30 Jun 2025 | 8-K | Leadership change | 5.02 |
Every filing
The newest filings with the SEC of 212 held.
| Filed | Form | Period |
|---|---|---|
| 30 Oct 2026 | 10-Q | 30 Sep 2026 |
| 30 Oct 2026 | 8-K | 26 Oct 2026 |
| 30 Oct 2026 | 8-K | 30 Oct 2026 |
| 7 Aug 2026 | 10-Q | 30 Jun 2026 |
| 7 Aug 2026 | 8-K | 7 Aug 2026 |
| 26 Jun 2026 | 8-K | 25 Jun 2026 |
| 15 May 2026 | ARS | 15 May 2026 |
| 15 May 2026 | DEFA14A | – |
| 15 May 2026 | DEF 14A | 31 Dec 2025 |
| 15 May 2026 | 8-K | 13 May 2026 |
| 11 May 2026 | 10-Q | 31 Mar 2026 |
| 11 May 2026 | 8-K | 11 May 2026 |
Insider trades
Form 4 trades by officers, directors and 10% owners, last 12 months.
| Traded | Insider | Type | Shares | Price | Value | Held after | Form 4 |
|---|---|---|---|---|---|---|---|
| 16 Sep 2026 | Plaumann Mark Lawrence, Director | Purchase | 5,000 | $3.00 | $15.0K | 5,000 | 17 Sep 2026 |
| 17 Jun 2026 | Wexford Capital Lp, Chief Business Officer | Purchase | 4,019,574 | $2.60 | $10.5M | 10,620,789 | 22 Jun 2026 |
| 12 Jun 2026 | Amron Arthur H, Director | Purchase | 2,000 | $3.28 | $6.6K | 67,135 | 15 Jun 2026 |
| 11 Jun 2026 | Amron Arthur H, Director | Purchase | 2,500 | $3.22 | $8.1K | 65,135 | 15 Jun 2026 |
| 28 May 2026 | Amron Arthur H, Director | Purchase | 3,000 | $3.25 | $9.8K | 62,635 | 28 May 2026 |
| 26 May 2026 | Amron Arthur H, Director | Purchase | 2,500 | $3.24 | $8.1K | 59,635 | 28 May 2026 |
| 11 Dec 2025 | Amron Arthur H, Director | Purchase | 10,000 | $1.89 | $18.9K | 57,135 | 15 Dec 2025 |
Large holders
Schedule 13D and 13G filings by holders of more than 5% of the voting shares.
| Filed | Holder | Schedule | Stake | Shares |
|---|---|---|---|---|
| 22 Jun 2026 | Charles E. Davidson | 13G | 13.43% | 6.5M |
| 22 Jun 2026 | Wexford Capital LP | 13G amended | 25.06% | 12.1M |
Short interest
Shares sold short and not yet bought back, on each FINRA settlement date.
| Settlement | Shares short | Change | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 100.5K | -9.06% | 1.2 |
| 30 Sep 2026 | 110.5K | +24.39% | 1.18 |
| 15 Sep 2026 | 88.8K | -3.25% | 1.11 |
| 31 Aug 2026 | 91.8K | -26.48% | 1 |
| 14 Aug 2026 | 124.9K | +18.16% | 1 |
| 31 Jul 2026 | 105.7K | -8.59% | 1 |
| 15 Jul 2026 | 115.7K | -12.7% | 1 |
| 30 Jun 2026 | 132.5K | -83.39% | 1 |
Funds that hold it
From each fund's latest Form 13F.
116 funds held it at 30 Jun 2026: 60 added and 23 trimmed in the quarter. The largest:
| Fund | Shares | Value | Change in the quarter |
|---|---|---|---|
| Wexford Capital LP | 12,071,823 | $39.2M | -9,996,389 |
| Adage Capital Partners GP, L.l.c. | 4,575,000 | $14.9M | 0 |
| Vanguard Capital Management LLC | 1,059,603 | $3.4M | +240,483 |
| Peapod Lane Capital LLC | 807,804 | $2.6M | +207,999 |
| Dimensional Fund Advisors LP | 691,667 | $2.2M | +5,468 |
| Jane Street Group, LLC | 506,662 | $1.6M | +483,808 |
| Citadel Advisors LLC | 452,163 | $1.5M | +120,796 |
| BlackRock, Inc. | 407,976 | $1.3M | -1,046,863 |
| Marshall Wace, LLP | 395,583 | $1.3M | +395,583 |
| Johns Hopkins University | 387,359 | $1.3M | +387,359 |
Peers
Companies in the same industry.
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- Halliburton Co. (HAL): revenue $22.5B, market value $29.9B
- Oceaneering International Inc. (OII): revenue $2.9B, market value $4.1B
- WaterBridge Infrastructure LLC (WBI): revenue $750.9M, market value $3.8B
- Liberty Energy Inc. (LBRT): revenue $4.4B, market value $2.8B
- Select Water Solutions, Inc. (WTTR): revenue $1.4B, market value $2.7B
- National Energy Services Reunited Corp. (NESR): revenue –, market value $2.1B
- RPC Inc. (RES): revenue $1.8B, market value $1.4B
- Hornbeck Offshore Services, Inc. (HOS): revenue $1.3B, market value $1.0B
- ProPetro Holding Corp. (PUMP): revenue $1.2B, market value $951.0M