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Side-by-side financial comparison of MPLX LP (MPLX) and SEALED AIR CORP (SEE). Click either name above to swap in a different company.

MPLX LP is the larger business by last-quarter revenue ($2.5B vs $1.4B, roughly 1.8× SEALED AIR CORP). MPLX LP runs the higher net margin — 49.1% vs 3.1%, a 45.9% gap on every dollar of revenue. On growth, SEALED AIR CORP posted the faster year-over-year revenue change (2.6% vs 1.4%). MPLX LP produced more free cash flow last quarter ($782.0M vs $257.7M). Over the past eight quarters, MPLX LP's revenue compounded faster (6.2% CAGR vs 2.7%).

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.

Sealed Air Corporation is a global provider of innovative packaging and protective solutions. Its core offerings include cushioning materials, food safety and preservation packaging, and sustainable waste-reducing packaging systems, serving retail, e-commerce, food and beverage, and industrial manufacturing markets worldwide.

MPLX vs SEE — Head-to-Head

Bigger by revenue
MPLX
MPLX
1.8× larger
MPLX
$2.5B
$1.4B
SEE
Growing faster (revenue YoY)
SEE
SEE
+1.2% gap
SEE
2.6%
1.4%
MPLX
Higher net margin
MPLX
MPLX
45.9% more per $
MPLX
49.1%
3.1%
SEE
More free cash flow
MPLX
MPLX
$524.3M more FCF
MPLX
$782.0M
$257.7M
SEE
Faster 2-yr revenue CAGR
MPLX
MPLX
Annualised
MPLX
6.2%
2.7%
SEE

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MPLX
MPLX
SEE
SEE
Revenue
$2.5B
$1.4B
Net Profit
$1.2B
$43.8M
Gross Margin
28.6%
Operating Margin
60.5%
11.4%
Net Margin
49.1%
3.1%
Revenue YoY
1.4%
2.6%
Net Profit YoY
8.5%
700.0%
EPS (diluted)
$0.30

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
SEE
SEE
Q4 25
$2.5B
$1.4B
Q3 25
$2.5B
$1.3B
Q2 25
$2.4B
$1.3B
Q1 25
$2.5B
$1.3B
Q4 24
$2.4B
$1.4B
Q3 24
$2.3B
$1.3B
Q2 24
$2.3B
$1.3B
Q1 24
$2.2B
$1.3B
Net Profit
MPLX
MPLX
SEE
SEE
Q4 25
$1.2B
$43.8M
Q3 25
$1.6B
$255.1M
Q2 25
$1.1B
$93.1M
Q1 25
$1.1B
$113.5M
Q4 24
$1.1B
$-7.3M
Q3 24
$1.0B
$91.7M
Q2 24
$1.2B
$98.3M
Q1 24
$1.0B
$82.0M
Gross Margin
MPLX
MPLX
SEE
SEE
Q4 25
28.6%
Q3 25
29.8%
Q2 25
30.7%
Q1 25
30.9%
Q4 24
30.0%
Q3 24
30.1%
Q2 24
31.2%
Q1 24
30.3%
Operating Margin
MPLX
MPLX
SEE
SEE
Q4 25
60.5%
11.4%
Q3 25
73.2%
13.8%
Q2 25
54.9%
15.0%
Q1 25
55.5%
14.5%
Q4 24
55.6%
11.7%
Q3 24
54.4%
13.9%
Q2 24
62.9%
15.4%
Q1 24
57.6%
14.0%
Net Margin
MPLX
MPLX
SEE
SEE
Q4 25
49.1%
3.1%
Q3 25
63.2%
19.0%
Q2 25
44.9%
7.0%
Q1 25
46.2%
9.0%
Q4 24
45.9%
-0.5%
Q3 24
44.6%
6.9%
Q2 24
52.6%
7.4%
Q1 24
46.7%
6.2%
EPS (diluted)
MPLX
MPLX
SEE
SEE
Q4 25
$0.30
Q3 25
$1.73
Q2 25
$0.63
Q1 25
$0.77
Q4 24
$-0.05
Q3 24
$0.63
Q2 24
$0.67
Q1 24
$0.56

Balance Sheet & Financial Strength

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

Metric
MPLX
MPLX
SEE
SEE
Cash + ST InvestmentsLiquidity on hand
$2.1B
$344.0M
Total DebtLower is stronger
$24.2B
$3.3B
Stockholders' EquityBook value
$1.2B
Total Assets
$43.0B
$7.0B
Debt / EquityLower = less leverage
2.65×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPLX
MPLX
SEE
SEE
Q4 25
$2.1B
$344.0M
Q3 25
$1.8B
$282.5M
Q2 25
$1.4B
$354.4M
Q1 25
$2.5B
$335.2M
Q4 24
$1.5B
$371.8M
Q3 24
$2.4B
$386.0M
Q2 24
$2.5B
$388.6M
Q1 24
$385.0M
$352.8M
Total Debt
MPLX
MPLX
SEE
SEE
Q4 25
$24.2B
$3.3B
Q3 25
$24.1B
$4.0B
Q2 25
$19.7B
$4.0B
Q1 25
$19.7B
$4.2B
Q4 24
$19.3B
$4.2B
Q3 24
$19.3B
$4.3B
Q2 24
$19.2B
$4.4B
Q1 24
$18.8B
$4.5B
Stockholders' Equity
MPLX
MPLX
SEE
SEE
Q4 25
$1.2B
Q3 25
$1.2B
Q2 25
$953.1M
Q1 25
$797.9M
Q4 24
$624.5M
Q3 24
$771.2M
Q2 24
$650.1M
Q1 24
$598.3M
Total Assets
MPLX
MPLX
SEE
SEE
Q4 25
$43.0B
$7.0B
Q3 25
$43.2B
$7.1B
Q2 25
$37.8B
$7.2B
Q1 25
$39.0B
$7.0B
Q4 24
$37.5B
$7.0B
Q3 24
$38.5B
$7.3B
Q2 24
$38.4B
$7.3B
Q1 24
$36.5B
$7.2B
Debt / Equity
MPLX
MPLX
SEE
SEE
Q4 25
2.65×
Q3 25
3.34×
Q2 25
4.18×
Q1 25
5.26×
Q4 24
6.72×
Q3 24
5.62×
Q2 24
6.81×
Q1 24
7.49×

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
SEE
SEE
Operating Cash FlowLast quarter
$1.5B
$293.6M
Free Cash FlowOCF − Capex
$782.0M
$257.7M
FCF MarginFCF / Revenue
31.9%
18.5%
Capex IntensityCapex / Revenue
29.1%
2.6%
Cash ConversionOCF / Net Profit
1.24×
6.70×
TTM Free Cash FlowTrailing 4 quarters
$4.1B
$458.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPLX
MPLX
SEE
SEE
Q4 25
$1.5B
$293.6M
Q3 25
$1.4B
$165.9M
Q2 25
$1.7B
$136.6M
Q1 25
$1.2B
$31.9M
Q4 24
$1.7B
$244.2M
Q3 24
$1.4B
$170.5M
Q2 24
$1.6B
$188.2M
Q1 24
$1.3B
$125.1M
Free Cash Flow
MPLX
MPLX
SEE
SEE
Q4 25
$782.0M
$257.7M
Q3 25
$905.0M
$119.6M
Q2 25
$1.4B
$93.2M
Q1 25
$979.0M
$-12.0M
Q4 24
$1.4B
$185.1M
Q3 24
$1.1B
$115.2M
Q2 24
$1.4B
$129.5M
Q1 24
$1.0B
$78.0M
FCF Margin
MPLX
MPLX
SEE
SEE
Q4 25
31.9%
18.5%
Q3 25
36.8%
8.9%
Q2 25
60.9%
7.0%
Q1 25
39.8%
-0.9%
Q4 24
56.6%
13.6%
Q3 24
48.4%
8.6%
Q2 24
60.0%
9.7%
Q1 24
47.7%
5.9%
Capex Intensity
MPLX
MPLX
SEE
SEE
Q4 25
29.1%
2.6%
Q3 25
21.4%
3.4%
Q2 25
12.8%
3.3%
Q1 25
10.9%
3.5%
Q4 24
12.7%
4.4%
Q3 24
11.9%
4.1%
Q2 24
9.4%
4.4%
Q1 24
11.7%
3.6%
Cash Conversion
MPLX
MPLX
SEE
SEE
Q4 25
1.24×
6.70×
Q3 25
0.92×
0.65×
Q2 25
1.64×
1.47×
Q1 25
1.10×
0.28×
Q4 24
1.51×
Q3 24
1.35×
1.86×
Q2 24
1.32×
1.91×
Q1 24
1.27×
1.53×

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%

SEE
SEE

Protective Segment$1.1B78%
Other$292.0M21%
Pension Plans Defined Benefit$7.9M1%

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