
Valero Energy Corporation (VLO), headquartered in San Antonio, Texas, manufactures, sells, and distributes petroleum-based and low-carbon liquid transportation fuels and petrochemical products. Valued at $43.3 billion by market cap, the company produces conventional gasoline, diesel, jet fuel, heating oil, asphalt, feedstocks, aromatics, and crude oil under Valero, Beacon, Diamond Shamrock, Shamrock, Ultramar, and Texaco brands.
Shares of this largest independent refiner have underperformed the broader market over the past year. VLO has declined 4.3% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 20.7%. However, in 2025, VLO stock is up 11.7%,surpassing SPX’s 3.2% rise on a YTD basis.