Solaris Energy Infrastructure (SEI) Gained Significantly This Week. Here is Why.

The share price of Solaris Energy Infrastructure, Inc. (NYSE:SEI) surged by 29.09% between September 9 and September 16, 2025, putting it among the Energy Stocks that Gained the Most This Week.

Solaris Energy Infrastructure, Inc. (NYSE:SEI) designs and manufactures specialized equipment for oil and natural gas operators in the United States.

Solaris Energy Infrastructure, Inc. (NYSE:SEI) jumped after a recent regulatory filing revealed that  CEO William A. Zartler purchased 10,000 shares of the company’s stock, valuing the transaction at around $248,300. Moreover, the energy technology company’s CFO, Kyle S. Ramachandran, also acquired 2,000 shares of SEI for approximately $50,000.

The reports of SEI’s executives betting on the company’s success helped boost investor confidence, with the stock now having gained more than 50% over the last six months.

While we acknowledge the potential of SEI as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you’re looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

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Disclosure: None.