Marathon Petroleum (MPC) Shares Outstanding (Weighted Average) (2010 - 2026)

Marathon Petroleum has disclosed Shares Outstanding (Weighted Average) across 17 years of filings, most recently posting $295.0 million for Q1 2026.

• Shares Outstanding (Weighted Average) for Q1 2026 came in at $295.0 million, down 5.75% year-over-year; the trailing twelve-month figure through Mar 2026 was $295.0 million (down 5.75% YoY), and the FY2025 annual result was $305.0 million, down 10.29% from the prior year.
• Shares Outstanding (Weighted Average) came in at $295.0 million for Q1 2026 at Marathon Petroleum, down from $305.0 million in the prior quarter.
• In the past five years, Shares Outstanding (Weighted Average) ranged from a high of $564.0 million in Q1 2022 to a low of $295.0 million in Q1 2026.
• The 5-year median for Shares Outstanding (Weighted Average) is $361.0 million (2024), against an average of $394.5 million.
• Across the five-year window, Shares Outstanding (Weighted Average) declined 23.88% in 2022 and retreated 5.75% in 2026, its largest moves.
• Marathon Petroleum's Shares Outstanding (Weighted Average) stood at $512.0 million in 2022, then fell by 20.51% to $407.0 million in 2023, then fell by 16.46% to $340.0 million in 2024, then fell by 10.29% to $305.0 million in 2025, then retreated by 3.28% to $295.0 million in 2026.
• The last three Shares Outstanding (Weighted Average) figures came in at $295.0 million (Q1 2026), $305.0 million (Q4 2025), and $307.0 million (Q3 2025), per Business Quant data.