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Side-by-side financial comparison of MPLX LP (MPLX) and Steris (STE). Click either name above to swap in a different company.

MPLX LP is the larger business by last-quarter revenue ($2.5B vs $1.5B, roughly 1.6× Steris). MPLX LP runs the higher net margin — 49.1% vs 12.9%, a 36.2% gap on every dollar of revenue. On growth, Steris posted the faster year-over-year revenue change (9.2% vs 1.4%). MPLX LP produced more free cash flow last quarter ($782.0M vs $199.5M). Over the past eight quarters, Steris's revenue compounded faster (15.8% CAGR vs 6.2%).

MarkWest Energy Partners, L.P., a subsidiary of MPLX LP, is a natural gas gathering, processing and transportation company master limited partnership of the United States. In 1988, the company was founded in Denver, Colorado and grew to be Colorado's 13th largest company. In 2015 it was acquired by MPLX, itself a subsidiary of Marathon Petroleum.

Steris plc is an American-Irish-based medical equipment company specializing in sterilization and surgical products for the US healthcare system. Steris is operationally headquartered in Mentor, Ohio, and has been legally registered in Dublin, Ireland, for tax purposes since 2018. Previously the company was registered in the United Kingdom from 2014 to 2018.

MPLX vs STE — Head-to-Head

Bigger by revenue
MPLX
MPLX
1.6× larger
MPLX
$2.5B
$1.5B
STE
Growing faster (revenue YoY)
STE
STE
+7.8% gap
STE
9.2%
1.4%
MPLX
Higher net margin
MPLX
MPLX
36.2% more per $
MPLX
49.1%
12.9%
STE
More free cash flow
MPLX
MPLX
$582.5M more FCF
MPLX
$782.0M
$199.5M
STE
Faster 2-yr revenue CAGR
STE
STE
Annualised
STE
15.8%
6.2%
MPLX

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
MPLX
MPLX
STE
STE
Revenue
$2.5B
$1.5B
Net Profit
$1.2B
$192.9M
Gross Margin
43.8%
Operating Margin
60.5%
18.3%
Net Margin
49.1%
12.9%
Revenue YoY
1.4%
9.2%
Net Profit YoY
8.5%
11.2%
EPS (diluted)
$1.96

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MPLX
MPLX
STE
STE
Q4 25
$2.5B
$1.5B
Q3 25
$2.5B
$1.5B
Q2 25
$2.4B
$1.4B
Q1 25
$2.5B
$1.5B
Q4 24
$2.4B
$1.4B
Q3 24
$2.3B
$1.3B
Q2 24
$2.3B
$1.3B
Q1 24
$2.2B
$1.1B
Net Profit
MPLX
MPLX
STE
STE
Q4 25
$1.2B
$192.9M
Q3 25
$1.6B
$191.9M
Q2 25
$1.1B
$177.4M
Q1 25
$1.1B
$145.7M
Q4 24
$1.1B
$173.5M
Q3 24
$1.0B
$150.0M
Q2 24
$1.2B
$145.4M
Q1 24
$1.0B
$-1.4M
Gross Margin
MPLX
MPLX
STE
STE
Q4 25
43.8%
Q3 25
44.2%
Q2 25
45.1%
Q1 25
43.3%
Q4 24
44.5%
Q3 24
43.6%
Q2 24
44.7%
Q1 24
40.2%
Operating Margin
MPLX
MPLX
STE
STE
Q4 25
60.5%
18.3%
Q3 25
73.2%
18.2%
Q2 25
54.9%
17.7%
Q1 25
55.5%
14.6%
Q4 24
55.6%
17.9%
Q3 24
54.4%
16.5%
Q2 24
62.9%
14.5%
Q1 24
57.6%
22.0%
Net Margin
MPLX
MPLX
STE
STE
Q4 25
49.1%
12.9%
Q3 25
63.2%
13.1%
Q2 25
44.9%
12.8%
Q1 25
46.2%
9.8%
Q4 24
45.9%
12.7%
Q3 24
44.6%
11.3%
Q2 24
52.6%
11.4%
Q1 24
46.7%
-0.1%
EPS (diluted)
MPLX
MPLX
STE
STE
Q4 25
$1.96
Q3 25
$1.94
Q2 25
$1.79
Q1 25
$1.48
Q4 24
$1.75
Q3 24
$1.51
Q2 24
$1.46
Q1 24
$-0.02

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MPLX
MPLX
STE
STE
Cash + ST InvestmentsLiquidity on hand
$2.1B
$423.7M
Total DebtLower is stronger
$24.2B
$1.9B
Stockholders' EquityBook value
$7.2B
Total Assets
$43.0B
$10.6B
Debt / EquityLower = less leverage
0.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPLX
MPLX
STE
STE
Q4 25
$2.1B
$423.7M
Q3 25
$1.8B
$319.2M
Q2 25
$1.4B
$279.7M
Q1 25
$2.5B
$171.7M
Q4 24
$1.5B
$155.2M
Q3 24
$2.4B
$172.2M
Q2 24
$2.5B
$198.3M
Q1 24
$385.0M
$207.0M
Total Debt
MPLX
MPLX
STE
STE
Q4 25
$24.2B
$1.9B
Q3 25
$24.1B
$1.9B
Q2 25
$19.7B
$1.9B
Q1 25
$19.7B
$1.9B
Q4 24
$19.3B
$2.0B
Q3 24
$19.3B
$2.2B
Q2 24
$19.2B
$2.2B
Q1 24
$18.8B
$3.1B
Stockholders' Equity
MPLX
MPLX
STE
STE
Q4 25
$7.2B
Q3 25
$7.0B
Q2 25
$7.0B
Q1 25
$6.6B
Q4 24
$6.4B
Q3 24
$6.6B
Q2 24
$6.4B
Q1 24
$6.3B
Total Assets
MPLX
MPLX
STE
STE
Q4 25
$43.0B
$10.6B
Q3 25
$43.2B
$10.4B
Q2 25
$37.8B
$10.4B
Q1 25
$39.0B
$10.1B
Q4 24
$37.5B
$10.0B
Q3 24
$38.5B
$10.2B
Q2 24
$38.4B
$10.1B
Q1 24
$36.5B
$11.1B
Debt / Equity
MPLX
MPLX
STE
STE
Q4 25
0.27×
Q3 25
0.27×
Q2 25
0.27×
Q1 25
0.29×
Q4 24
0.32×
Q3 24
0.33×
Q2 24
0.35×
Q1 24
0.50×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MPLX
MPLX
STE
STE
Operating Cash FlowLast quarter
$1.5B
$298.2M
Free Cash FlowOCF − Capex
$782.0M
$199.5M
FCF MarginFCF / Revenue
31.9%
13.3%
Capex IntensityCapex / Revenue
29.1%
6.6%
Cash ConversionOCF / Net Profit
1.24×
1.55×
TTM Free Cash FlowTrailing 4 quarters
$4.1B
$917.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPLX
MPLX
STE
STE
Q4 25
$1.5B
$298.2M
Q3 25
$1.4B
$287.8M
Q2 25
$1.7B
$420.0M
Q1 25
$1.2B
$260.8M
Q4 24
$1.7B
$332.8M
Q3 24
$1.4B
$250.7M
Q2 24
$1.6B
$303.7M
Q1 24
$1.3B
$254.8M
Free Cash Flow
MPLX
MPLX
STE
STE
Q4 25
$782.0M
$199.5M
Q3 25
$905.0M
$201.3M
Q2 25
$1.4B
$326.4M
Q1 25
$979.0M
$189.9M
Q4 24
$1.4B
$243.6M
Q3 24
$1.1B
$148.8M
Q2 24
$1.4B
$195.7M
Q1 24
$1.0B
$163.3M
FCF Margin
MPLX
MPLX
STE
STE
Q4 25
31.9%
13.3%
Q3 25
36.8%
13.8%
Q2 25
60.9%
23.5%
Q1 25
39.8%
12.8%
Q4 24
56.6%
17.8%
Q3 24
48.4%
11.2%
Q2 24
60.0%
15.3%
Q1 24
47.7%
14.6%
Capex Intensity
MPLX
MPLX
STE
STE
Q4 25
29.1%
6.6%
Q3 25
21.4%
5.9%
Q2 25
12.8%
6.7%
Q1 25
10.9%
4.8%
Q4 24
12.7%
6.5%
Q3 24
11.9%
7.7%
Q2 24
9.4%
8.4%
Q1 24
11.7%
8.2%
Cash Conversion
MPLX
MPLX
STE
STE
Q4 25
1.24×
1.55×
Q3 25
0.92×
1.50×
Q2 25
1.64×
2.37×
Q1 25
1.10×
1.79×
Q4 24
1.51×
1.92×
Q3 24
1.35×
1.67×
Q2 24
1.32×
2.09×
Q1 24
1.27×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

MPLX
MPLX

Services$746.0M30%
Other$675.0M28%
Products$492.0M20%
Nonrelated Party$186.0M8%
Related Party$151.0M6%
Crude Oil And Products Logistics$104.0M4%
Service Other$56.0M2%
Natural Gas And NGL Services$41.0M2%

STE
STE

Servicerevenues$404.7M27%
Consumablerevenues$387.1M26%
Applied Sterilization Technologies$286.6M19%
Capitalequipmentrevenues$272.1M18%
Life Science$145.8M10%

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