What is Marathon Petroleum's change in inventories?

Marathon Petroleum (MPC) reported change in inventories of $635M in Q1 2026.

How has Marathon Petroleum's change in inventories changed year-over-year?

Marathon Petroleum's change in inventories decreased by 31.0% year-over-year, from $920M to $635M.

What does change in inventories mean?

Increase or decrease in inventory levels, directly affecting operating cash flow and working capital.

Marathon Petroleum MPC Change in Inventories

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——

Other financials

Income statement

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Revenue$34.2B+8.5%

Gross profit$2.9B+36.3%

Operating income$1.4B+104%

Net income$511.0M+791%

EPS (diluted)$1.73+821%

Balance sheet

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Cash & equivalents$2.2B-43.6%

Total debt$1.5B+22.3%

Total equity$16.8B+2.2%

Total assets$88.2B+8.0%

Cash flow

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Operating cash flow$1.1B+1,852%

CapEx$913.0M+37.7%

Free cash flow$208.0M+129%

Valuation

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Market cap$74.64B+51.1%

Enterprise value$73.99B+50.7%

P/E16.1×-7.0×

P/S0.6×+0.2×

Profitability

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Gross margin10.4%+1.9pp

Operating margin6.7%+2.5pp

Net margin3.4%+1.7pp

FCF margin4.2%+1.0pp

Returns & leverage

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Return on equity27.9%+15.6pp

Debt / equity0.1×0.0×

Current ratio1.2×0.0×

Where this comes from

Reported directly by Marathon Petroleum in its filing.

Tagged under the XBRL concept us-gaap:IncreaseDecreaseInInventories.

The official record: Marathon Petroleum’s 10-Q, filed May 5, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Marathon Petroleum's change in inventories?: Marathon Petroleum (MPC) reported change in inventories of $635M in Q1 2026.
How has Marathon Petroleum's change in inventories changed year-over-year?: Marathon Petroleum's change in inventories decreased by 31.0% year-over-year, from $920M to $635M.
What does change in inventories mean?: Increase or decrease in inventory levels, directly affecting operating cash flow and working capital.