5 Best Energy Stocks to Buy Under $20 According to Billionaires

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1. ProPetro Holding Corp. (NYSE:PUMP)

Share Price as of May 6: $16.61

Number of Billionaire Holders: 18

Topping our list of the Best Energy Stocks Under $20 is ProPetro Holding Corp. (NYSE:PUMP). The company provides hydraulic fracturing and other complementary services to leading upstream oil and gas companies engaged in exploration and production.

ProPetro Holding Corp. (NYSE:PUMP) received a boost on May 5 when Citi pumped up its price target on the stock from $16 to $20, while maintaining a ‘Buy’ rating on the shares. The target boost reflects an upside of over 20% from the current price levels.

The development comes after ProPetro Holding Corp. (NYSE:PUMP) reported mixed results for its Q1 2026 on April 30. The company posted a loss per share of $0.03 during the quarter, exceeding estimates by $0.06. However, its revenue of $270.7 was down by almost 25% YoY and fell short of expectations by around $6 million.

ProPetro Holding Corp. (NYSE:PUMP) also highlighted the recent deal that its PROPWR unit signed with Caterpillar to purchase up to 2.1 GW of power generation assets by 2031 in support of data center, oil and gas, and industrial customers. The business is now positioned to have around 2.6 GW of power generation capacity delivered by year-end 2031 and fully deployed in 2032.

Moreover, ProPetro Holding Corp. (NYSE:PUMP) raised its CapEx forecasts for 2026. The company now expects to spend between $540 million and $610 million during the year, up from the $390 million to $435 million range highlighted in its previous earnings report.

While we acknowledge the potential of PUMP to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than PUMP and that has 100x upside potential, check out our report about the cheapest AI stock.

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