SEI Stock Summary and Trading Ideas (Solaris Energy Infrastructure Class A | NYSE:SEI)

Solaris Energy Infrastructure Inc provides modular and scalable equipment-based solutions for power generation, control, distribution, and the management of raw materials in oil and natural gas well completions. Its solutions are Solaris software suite, Fluid management system, Automated control systems, Field services, Last mile logistics management, Wet sand solutions, Power Solutions, and Integrated wellsite solution, among others. Solaris serves multiple U.S. end markets, including data center, energy, and other commercial and industrial sectors. The company has two reportable business segments: Solaris Power Solutions and Solaris Logistics Solutions. Maximum revenue is generated from the Solaris Power Solutions segment, delivering power generation and distribution solutions.

Solaris Energy Infrastructure Class A trades on the NYSE stock market under the symbol SEI.

As of September 9, 2026, SEI stock price climbed to $67.67 with 4,707,429 million shares trading.

SEI has a beta of 1.54, meaning it tends to be more sensitive to market movements. SEI has a correlation of 0.07 to the broad based SPY ETF.

SEI has a market cap of $4.45 billion. This is considered a Mid Cap stock.

Last quarter Solaris Energy Infrastructure Class A reported $219 million in Revenue and $.39 earnings per share. This beat revenue expectation by $13 million and exceeded earnings estimates by $.07.

The top ETF exchange traded funds that SEI belongs to (by Net Assets): VTI, OIH, VXF, SPSM, SLYG.

SEI has outperformed the market in the last year with a price return of +162.6% while the SPY ETF gained +18.7%. However, in the short term, SEI had mixed performance relative to the market. It has underperformed in the last 3 months, returning -6.3% vs +3.4% return in SPY. But in the last 2 weeks, SEI shares have fared better than the market returning +27.9% compared to SPY -0.5%.

SEI support price is $60.88 and resistance is $67.04 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that SEI shares will trade within this expected range on the day.