Short Interest in Mammoth Energy Services Rises 21.3%

Hedge funds and institutional investors increase bets against the energy services company.

Apr. 17, 2026 at 9:41am

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Mammoth Energy Services, Inc. (NASDAQ:TUSK) saw a significant 21.3% increase in short interest during March, with 1,048,211 shares now sold short as of March 31st. This represents approximately 2.2% of the company's total shares outstanding and suggests growing bearish sentiment from investors.

Why it matters

The rise in short interest indicates that some investors are betting against Mammoth Energy Services, likely due to concerns about the company's financial performance or outlook. This could signal potential volatility ahead for the stock as short-sellers look to profit from a decline in the share price.

The details

Mammoth Energy Services provides hydraulic fracturing, well completion, and other oilfield services to exploration and production companies across North America. The company has seen its stock price fluctuate in recent quarters amid shifting market conditions in the energy sector.

  • As of March 31st, 2026, there was short interest totaling 1,048,211 shares.
  • This represents a 21.3% increase from the 864,244 shares that were short as of March 15th.

The players

Mammoth Energy Services, Inc.

A diversified energy services company that provides hydraulic fracturing, well completion, and other oilfield services to exploration and production companies across North America.

Virtu Financial LLC

A hedge fund that recently bought a new stake in Mammoth Energy Services.

Franklin Resources Inc.

An investment management firm that also added to its position in Mammoth Energy Services.

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The takeaway

The rising short interest in Mammoth Energy Services suggests that some investors are betting against the company's future performance, which could lead to increased volatility in the stock price. This development bears watching as the energy services industry continues to navigate shifting market conditions.