13 Best Oil Refinery Stocks to Buy Right Now

3. Marathon Petroleum Corporation (NYSE:MPC)

Number of Hedge Fund Holders: 57

Drawing significant hedge fund interest, Marathon Petroleum Corporation (NYSE:MPC) secures a spot on our list of the 13 Best Oil Refinery Stocks to Buy Right Now.

Marathon Petroleum Corporation (NYSE:MPC) reported Q2 results on August 5, 2025. Its net income fell to $1.2 billion from $1.5 billion last year, while strong refining execution and stable midstream performance helped the company achieve adjusted EBITDA of $3.3 billion. The company’s crude utilization reached 97%, resulting in 3.1 million bpd throughput. Meanwhile, its R&M margin improved slightly to $17.58 per barrel.

With the $2.375 billion acquisition of Northwind Midstream, Marathon Petroleum Corporation (NYSE:MPC) advanced key Permian and Gulf Coast projects, improving its sour gas processing capacity. Furthermore, MPC streamlined its portfolio with the completion of the $425 million divestiture of its ethanol JV stake. The company’s capital return stood at $1.0 billion in the quarter, including $692 million in share repurchases. Meanwhile, $6.0 billion is still available under buyback programs.

Looking ahead, Marathon Petroleum Corporation (NYSE:MPC) reaffirmed its future strategy by highlighting high-return refinery investments in the Los Angeles, Galveston Bay, and Robinson facilities, alongside infrastructure projects such as Secretariat and Harmon Creek III.

With its Refining & Marketing, Midstream, and Renewable Diesel segments, Marathon Petroleum Corporation (NYSE:MPC) operates as an integrated downstream energy company.