MP

Marathon Petroleum Corporation stock research

Latest · Mar 31, 2026

FY2026 Q1

Marathon Petroleum (MPC) Gross Margin & Quarterly History

Explore Marathon Petroleum Corporation (MPC) gross margin from 2023 through the latest reported quarter, using SEC-sourced revenue, gross profit, and direct costs.

Gross margin takeaway

Quarter ended Mar 31, 2026 · FY2026 Q1

Revenue increased compared to both the prior quarter and the same quarter last year, while gross profit was lower than the prior quarter but higher than a year ago. Cost of revenue rose relative to both periods, resulting in a gross margin that weakened from the prior quarter but improved from the same quarter last year.

  • The gross margin improved compared to the same quarter last year, driven by a larger increase in revenue relative to the increase in cost of revenue. The margin weakened sequentially as cost of revenue grew faster than revenue.
  • Compared to the prior quarter, revenue was higher but gross profit was lower, and cost of revenue was higher, leading to a weakened gross margin. Compared to the same quarter last year, revenue, gross profit, and cost of revenue were all higher, with gross margin improved.

Gross margin snapshot

The selected quarter's reported revenue, gross profit, direct costs, and margin comparisons.

Gross margin

8.6%

Gross profit

$2.9B

Revenue

$34.2B

Cost of revenue

$31.3B

Quarter-over-quarter change

-2.8 pts

Year-over-year change

+1.7 pts

Quarterly gross margin trend

A four-quarter view of the revenue and direct-cost bridge behind gross margin.

PeriodRevenueGross profitCost of revenueGross margin
Jun 30, 2025$33.8B$3.8B$30.0B11.2%
Sep 30, 2025$34.8B$3.6B$31.2B10.4%
Dec 31, 2025$32.6B$3.7B$28.9B11.4%
Mar 31, 2026$34.2B$2.9B$31.3B8.6%

Quarterly comparisons

Compare the selected margin with the preceding quarter and the same fiscal quarter one year earlier.

Previous-quarter change

Dec 31, 2025

-2.8 pts

Year-over-year change

Mar 31, 2025

+1.7 pts

What the margin says

Filing-constrained interpretation of margin direction, comparisons, and what to monitor next.

The gross margin improved compared to the same quarter last year, driven by a larger increase in revenue relative to the increase in cost of revenue. The margin weakened sequentially as cost of revenue grew faster than revenue.

Compared to the prior quarter, revenue was higher but gross profit was lower, and cost of revenue was higher, leading to a weakened gross margin. Compared to the same quarter last year, revenue, gross profit, and cost of revenue were all higher, with gross margin improved.

Monitor the trajectory of cost of revenue relative to revenue, as its faster sequential growth drove the margin decline.

Peer context

Latest available gross margins for related public companies.