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Marathon Petroleum Corp

MPCNYSEPetroleum RefiningFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 2026Score 16/308% above fair value
$430.39−14.34 (-3.22%)

Close on Nov 2, 2026Market cap $120.86BP/E 14.8Yield 0.87%

Marathon Petroleum West Coast: Refining & Marketing margin by Quarter

West Coast: Refining & Marketing margin ($/bbl) ($)

QuarterlyAnnual

Marathon Petroleum West Coast: Refining & Marketing margin: $41.28 in Q2 2026, up 78.1% from a year earlier.

Latest, Q2 2026
41.28
Period ended Jun 30, 2026
Change on a year earlier
+78.1%
23.18 in Q2 2025
History
30 quarters
Since Q1 2019
Sources
12
Documents cited below

Where the Q2 2026 figure comes from

“MPC-2Q-2026-IR-Packet.xlsx (West Coast Region Data) | FY2026Q2 | Refining & Marketing margin (dollar per barrel of net refinery throughput): 41.28”

Source: MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedWest Coast: Refining & Marketing margin ($/bbl) ($)Year on yearSource
Q2 2026Jun 30, 202641.28+78.1%MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗
Q1 2026Mar 31, 202625.71+43.3%MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗
Q4 2025Dec 31, 202521.94+39.7%MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗
Q3 2025Sep 30, 202519.17+32.5%MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗
Q2 2025Jun 30, 202523.18+6.9%MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗
Q1 2025Mar 31, 202517.94-19.1%MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗
Q4 2024Dec 31, 202415.70-36.0%MPC Investor Relations Data Packet (MPC-4Q-2025-IR-Packet.xlsx) ↗
Q3 2024Sep 30, 202414.47-60.5%MPC Investor Relations Data Packet (MPC-4Q-2025-IR-Packet.xlsx) ↗
Q2 2024Jun 30, 202421.68-16.1%MPC Investor Relations Data Packet (MPC-4Q-2025-IR-Packet.xlsx) ↗
Q1 2024Mar 31, 202422.17-13.5%MPC Investor Relations Data Packet (MPC-4Q-2025-IR-Packet.xlsx) ↗
Q4 2023Dec 31, 202324.53-14.3%MPC Investor Relations Data Packet (MPC-Q4-2024-IR-Packet.xlsx) ↗
Q3 2023Sep 30, 202336.66+2.3%MPC Investor Relations Data Packet (MPC-Q4-2024-IR-Packet.xlsx) ↗
Q2 2023Jun 30, 202325.85-39.6%MPC Investor Relations Data Packet (MPC-Q4-2024-IR-Packet.xlsx) ↗
Q1 2023Mar 31, 202325.64+28.3%MPC Investor Relations Data Packet (MPC-Q4-2024-IR-Packet.xlsx) ↗
Q4 2022Dec 31, 202228.63+31.8%MPC Investor Relations Data Packet (MPC-Q4-2023-IR-Packet.xlsx) ↗
Q3 2022Sep 30, 202235.83+130.3%MPC Investor Relations Data Packet (MPC-Q4-2023-IR-Packet.xlsx) ↗

Breakdown

What makes up west Coast: Refining & Marketing margin

Cite this data

StockData. (2026). Marathon Petroleum West Coast: Refining & Marketing margin ($), quarterly Q1 2019–Q2 2026 [Data set]. Compiled from Marathon Petroleum SEC filings and investor materials. https://stockdatahq.com/stocks/mpc/kpis/rm-wc-margin-per-bbl

See every metric in the Marathon Petroleum KPI table. Data updated Oct 27, 2026.