What is MPLX's capex?

MPLX (MPLX) reported capex of $575M in Q1 2026.

How has MPLX's capex changed year-over-year?

MPLX's capex increased by 115.4% year-over-year, from $267M to $575M.

What is the long-term trend for MPLX's capex?

Over 4 years (2021 to 2025), MPLX's capex has grown at a 36.0% compound annual growth rate (CAGR), from $529M to $1.81B.

What does capex mean?

Cash spent on property, plant, and equipment — the primary measure of investment in productive capacity and infrastructure.

MPLX MPLX CapEx

CapEx at other companies

Enterprise Products PartnersEPD

$983M-7.4%

Energy TransferET

$1.92B+56.5%

Antero Midstream CorporationAM

$68.59M+2,286,100%

OneokOKE

$864M+37.4%

TRG

Targa ResourcesTRGP

$899.5M+13.5%

Kinder MorganKMI

——

Other financials

Income statement

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Revenue$3.0B-2.8%

Operating income$1.2B-11.1%

Net income$922.0M-18.8%

EPS (diluted)$0.90-18.2%

Balance sheet

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Cash & equivalents$1.5B-40.6%

Total debt$267.0M-5.3%

Total assets$42.9B+10.2%

Cash flow

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Operating cash flow$1.3B+8.1%

Free cash flow$772.0M-21.1%

Valuation

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Market cap$56.9B+8.5%

Enterprise value$55.66B+10.9%

P/E12×+0.3×

P/S4.4×+0.1×

Profitability

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Operating margin44.8%+0.6pp

Net margin36.7%0.0pp

FCF margin30.2%-9.4pp

Returns & leverage

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Current ratio1.1×0.0×

Where this comes from

Reported directly by MPLX in its filing.

Tagged under the XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

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

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Questions, answered.

What is MPLX's capex?: MPLX (MPLX) reported capex of $575M in Q1 2026.
How has MPLX's capex changed year-over-year?: MPLX's capex increased by 115.4% year-over-year, from $267M to $575M.
What is the long-term trend for MPLX's capex?: Over 4 years (2021 to 2025), MPLX's capex has grown at a 36.0% compound annual growth rate (CAGR), from $529M to $1.81B.
What does capex mean?: Cash spent on property, plant, and equipment — the primary measure of investment in productive capacity and infrastructure.