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 $120.86BP/E 14.8Yield 0.87%
Marathon Petroleum West Coast: Refining & Marketing margin by Quarter
West Coast: Refining & Marketing margin ($M) ($M)
Marathon Petroleum West Coast: Refining & Marketing margin: $1,989M in Q2 2026, up 84.2% from a year earlier.
Latest, Q2 2026
1,989
Period ended Jun 30, 2026
Change on a year earlier
+84.2%
1,080 in Q2 2025
History
6 quarters
Since Q1 2025
Sources
1
MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx)
Where the Q2 2026 figure comes from
“MPC-2Q-2026-IR-Packet.xlsx (Region Margin and EBITDA Recon) | FY2026Q2 | West Coast: 1989”
Source: MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗
Quarterly history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | West Coast: Refining & Marketing margin ($M) ($M) | Year on year | Source |
|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | 1,989 | +84.2% | MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗ |
| Q1 2026 | Mar 31, 2026 | 1,225 | +50.7% | MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗ |
| Q4 2025 | Dec 31, 2025 | 1,072 | – | MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗ |
| Q3 2025 | Sep 30, 2025 | 947 | – | MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗ |
| Q2 2025 | Jun 30, 2025 | 1,080 | – | MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗ |
| Q1 2025 | Mar 31, 2025 | 813 | – | MPC Investor Relations Data Packet (MPC-2Q-2026-IR-Packet.xlsx) ↗ |
Cite this data
StockData. (2026). Marathon Petroleum West Coast: Refining & Marketing margin ($M), quarterly Q1 2025–Q2 2026 [Data set]. Compiled from Marathon Petroleum SEC filings and investor materials. https://stockdatahq.com/stocks/mpc/kpis/rm-wc-margin-mm
See every metric in the Marathon Petroleum KPI table. Data updated Oct 27, 2026.