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Marathon Petroleum Corp (MPC) operating KPIs

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
$444.73+12.22 (+2.83%)

Close on Oct 30, 2026Market cap $124.89BP/E 15.3Yield 0.84%

Marathon Petroleum inventories: Materials and supplies ($M) ($M)

Quarterly figures from Marathon Petroleum's filings and investor materials

QuarterlyAnnual
Latest, Q2 2026
1,411
Period ended Jun 30, 2026
Change on a year earlier
+10.1%
1,282 in Q2 2025
History
30 quarters
Since Q4 2018
Sources
29
Documents cited below

Quarterly history

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

PeriodEndedInventories: Materials and supplies ($M) ($M)Year on yearSource
Q2 2026Jun 30, 20261,411+10.1%Marathon Petroleum Form 10-Q, filed 2026-08-04 ↗
Q1 2026Mar 31, 20261,369+12.8%Marathon Petroleum Form 10-Q, filed 2026-05-05 ↗
Q4 2025Dec 31, 20251,507+20.9%Marathon Petroleum Form 10-Q, filed 2026-08-04 ↗
Q3 2025Sep 30, 20251,345+12.4%Marathon Petroleum Form 10-Q, filed 2025-11-04 ↗
Q2 2025Jun 30, 20251,282+13.0%Marathon Petroleum Form 10-Q, filed 2025-08-05 ↗
Q1 2025Mar 31, 20251,214+13.0%Marathon Petroleum Form 10-Q, filed 2025-05-06 ↗
Q4 2024Dec 31, 20241,246+6.9%Marathon Petroleum Form 10-K (FY2025), filed 2026-02-26 ↗
Q3 2024Sep 30, 20241,197+9.1%Marathon Petroleum Form 10-Q, filed 2024-11-05 ↗
Q2 2024Jun 30, 20241,135+13.2%Marathon Petroleum Form 10-Q, filed 2024-08-06 ↗
Q1 2024Mar 31, 20241,074+7.9%Marathon Petroleum Form 10-Q, filed 2024-04-30 ↗
Q4 2023Dec 31, 20231,166+13.0%Marathon Petroleum Form 10-K (FY2024), filed 2025-02-27 ↗
Q3 2023Sep 30, 20231,097+1.5%Marathon Petroleum Form 10-Q, filed 2023-10-31 ↗
Q2 2023Jun 30, 20231,003-5.4%Marathon Petroleum Form 10-Q, filed 2023-08-01 ↗
Q1 2023Mar 31, 2023995+0.3%Marathon Petroleum Form 10-Q, filed 2023-05-02 ↗
Q4 2022Dec 31, 20221,032+7.9%Marathon Petroleum Form 10-K (FY2023), filed 2024-02-28 ↗
Q3 2022Sep 30, 20221,081+13.9%Marathon Petroleum Form 10-Q, filed 2022-11-01 ↗

Cite this data

StockData. (2026). Marathon Petroleum Inventories: Materials and supplies ($M) ($M), quarterly Q4 2018–Q2 2026 [Data set]. Compiled from Marathon Petroleum SEC filings and investor materials. https://stockdatahq.com/stocks/mpc/kpis/xbrl_inv_materials_supplies

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