Mammoth Energy Services (TUSK) reported second-quarter 2026 revenue of $26.1 million, up 110% from $12.4 million in the prior-year quarter. The company reported a net loss from continuing operations of $1.2 million, or $0.02 per diluted share, and Adjusted EBITDA from continuing operations of $2.6 million.
Mammoth said it completed the acquisitions of Mission Construction and BERE Rentals, expanding its fiber infrastructure capabilities, and raised its full-year 2026 outlook for the second time this year.
- Total revenue was $26.1 million for the second quarter of 2026, compared with $12.4 million a year earlier and $22.0 million in the first quarter of 2026.
- Adjusted EBITDA from continuing operations was $2.6 million, compared with a loss of $3.5 million a year earlier.
- Rental services revenue, including inter-segment revenue, was $10.2 million.
- Natural sand proppant services revenue was $8.0 million.
- The company expects full-year 2026 revenue growth to exceed 90% and Adjusted EBITDA margin to exceed 10%.
- As of June 30, 2026, Mammoth had $77.0 million in cash, cash equivalents and marketable securities.
$TUSK Insider Trading Activity
$TUSK insiders have traded $TUSK stock on the open market 5 times in the past 6 months. Of those trades, 5 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $TUSK stock by insiders over the last 6 months:
- CAPITAL LP WEXFORD (Chief Business Officer) purchased 4,019,574 shares for an estimated $10,468,176
- ARTHUR H AMRON has made 4 purchases buying 10,000 shares for an estimated $32,459 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$TUSK Hedge Fund Activity
We have seen 52 institutional investors add shares of $TUSK stock to their portfolio, and 35 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- RUSSELL INVESTMENTS GROUP, LTD. added 261,791 shares (+384.8%) to their portfolio in Q2 2026, for an estimated $850,820
- PEAPOD LANE CAPITAL LLC added 207,999 shares (+34.7%) to their portfolio in Q2 2026, for an estimated $675,996
- MORGAN STANLEY removed 139,975 shares (-47.8%) from their portfolio in Q1 2026, for an estimated $342,938
- GOLDMAN SACHS GROUP INC added 133,545 shares (+148.5%) to their portfolio in Q1 2026, for an estimated $327,185
- GSA CAPITAL PARTNERS LLP added 129,547 shares (+inf%) to their portfolio in Q2 2026, for an estimated $421,027
- CITADEL ADVISORS LLC added 111,256 shares (+50.5%) to their portfolio in Q1 2026, for an estimated $272,577
- MARQUETTE ASSET MANAGEMENT, LLC added 109,826 shares (+inf%) to their portfolio in Q2 2026, for an estimated $356,934
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
