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Marathon Petroleum profits surge as Strait of Hormuz disruptions boost margins
The company reported Q2 profit of $5.14 billion and said prolonged crude supply disruptions doubled refining margins, while it also ran its US Gulf Coast refineries at 100% utilization.
Marathon Petroleum posted a sharp jump in quarterly results, with the company benefiting from prolonged crude supply disruptions through the Strait of Hormuz that boosted refining margins. According to Yahoo Finance, Marathon’s Q2 2026 profit rose to $5.14 billion, nearly four times higher than previously expected, as revenue grew by more than 53%.
The article also attributes the strength in part to ongoing supply constraints in global refining, saying the refining sector has been a key beneficiary as international buyers have paid more to secure crude. It notes that US fuel exports hit record highs this summer, with the US emerging as a key supplier to fill gaps left by Middle East oil shortages.
Marathon said it minimized lost production by operating with its lowest level of unplanned downtime this decade, and that its US Gulf Coast refineries ran at 100% utilization during the quarter. The piece further highlights Marathon’s roughly 64% ownership stake in MPLX, describing it as a source of more stable midstream cash flows that can help balance refining cyclicality.
The article adds that MPLX has been growing shareholder returns every year since its formation in 2012 and points to expansion projects to support continued momentum. It says MPLX increased its 2026 capital growth spending outlook by $500 million to $2.9 billion earlier this month.
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