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

ARGENX SE is the larger business by last-quarter revenue ($2.5B vs $2.5B, roughly 1.0× MPLX LP). MPLX LP runs the higher net margin — 49.1% vs 35.5%, a 13.6% gap on every dollar of revenue. On growth, ARGENX SE posted the faster year-over-year revenue change (83.2% vs 1.4%). MPLX LP produced more free cash flow last quarter ($782.0M vs $322.4M).

AbbVie Inc. is an American pharmaceutical company headquartered in North Chicago, Illinois. They have produced drugs to treat a wide range of medical issues.

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.

ARGX vs MPLX — Head-to-Head

Bigger by revenue
ARGX
ARGX
1.0× larger
ARGX
$2.5B
$2.5B
MPLX
Growing faster (revenue YoY)
ARGX
ARGX
+81.8% gap
ARGX
83.2%
1.4%
MPLX
Higher net margin
MPLX
MPLX
13.6% more per $
MPLX
49.1%
35.5%
ARGX
More free cash flow
MPLX
MPLX
$459.6M more FCF
MPLX
$782.0M
$322.4M
ARGX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ARGX
ARGX
MPLX
MPLX
Revenue
$2.5B
$2.5B
Net Profit
$877.2M
$1.2B
Gross Margin
89.5%
Operating Margin
28.9%
60.5%
Net Margin
35.5%
49.1%
Revenue YoY
83.2%
1.4%
Net Profit YoY
1.3%
8.5%
EPS (diluted)
$13.25

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
ARGX
ARGX
MPLX
MPLX
Q4 25
$2.5B
$2.5B
Q3 25
$2.5B
Q2 25
$1.8B
$2.4B
Q1 25
$2.5B
Q4 24
$1.4B
$2.4B
Q3 24
$2.3B
Q2 24
$901.9M
$2.3B
Q1 24
$2.2B
Net Profit
ARGX
ARGX
MPLX
MPLX
Q4 25
$877.2M
$1.2B
Q3 25
$1.6B
Q2 25
$414.8M
$1.1B
Q1 25
$1.1B
Q4 24
$865.6M
$1.1B
Q3 24
$1.0B
Q2 24
$-32.5M
$1.2B
Q1 24
$1.0B
Gross Margin
ARGX
ARGX
MPLX
MPLX
Q4 25
89.5%
Q3 25
Q2 25
89.2%
Q1 25
Q4 24
90.2%
Q3 24
Q2 24
89.4%
Q1 24
Operating Margin
ARGX
ARGX
MPLX
MPLX
Q4 25
28.9%
60.5%
Q3 25
73.2%
Q2 25
19.2%
54.9%
Q1 25
55.5%
Q4 24
8.7%
55.6%
Q3 24
54.4%
Q2 24
-15.4%
62.9%
Q1 24
57.6%
Net Margin
ARGX
ARGX
MPLX
MPLX
Q4 25
35.5%
49.1%
Q3 25
63.2%
Q2 25
23.4%
44.9%
Q1 25
46.2%
Q4 24
64.1%
45.9%
Q3 24
44.6%
Q2 24
-3.6%
52.6%
Q1 24
46.7%
EPS (diluted)
ARGX
ARGX
MPLX
MPLX
Q4 25
$13.25
Q3 25
Q2 25
$6.32
Q1 25
Q4 24
$13.33
Q3 24
Q2 24
$-0.55
Q1 24

Balance Sheet & Financial Strength

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

Metric
ARGX
ARGX
MPLX
MPLX
Cash + ST InvestmentsLiquidity on hand
$3.5B
$2.1B
Total DebtLower is stronger
$24.2B
Stockholders' EquityBook value
$7.3B
Total Assets
$8.7B
$43.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARGX
ARGX
MPLX
MPLX
Q4 25
$3.5B
$2.1B
Q3 25
$1.8B
Q2 25
$2.1B
$1.4B
Q1 25
$2.5B
Q4 24
$1.5B
$1.5B
Q3 24
$2.4B
Q2 24
$1.4B
$2.5B
Q1 24
$385.0M
Total Debt
ARGX
ARGX
MPLX
MPLX
Q4 25
$24.2B
Q3 25
$24.1B
Q2 25
$19.7B
Q1 25
$19.7B
Q4 24
$19.3B
Q3 24
$19.3B
Q2 24
$11.0M
$19.2B
Q1 24
$18.8B
Stockholders' Equity
ARGX
ARGX
MPLX
MPLX
Q4 25
$7.3B
Q3 25
Q2 25
$6.1B
Q1 25
Q4 24
$5.5B
Q3 24
Q2 24
$4.3B
Q1 24
Total Assets
ARGX
ARGX
MPLX
MPLX
Q4 25
$8.7B
$43.0B
Q3 25
$43.2B
Q2 25
$7.2B
$37.8B
Q1 25
$39.0B
Q4 24
$6.2B
$37.5B
Q3 24
$38.5B
Q2 24
$4.8B
$38.4B
Q1 24
$36.5B
Debt / Equity
ARGX
ARGX
MPLX
MPLX
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
0.00×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
ARGX
ARGX
MPLX
MPLX
Operating Cash FlowLast quarter
$323.3M
$1.5B
Free Cash FlowOCF − Capex
$322.4M
$782.0M
FCF MarginFCF / Revenue
13.0%
31.9%
Capex IntensityCapex / Revenue
0.0%
29.1%
Cash ConversionOCF / Net Profit
0.37×
1.24×
TTM Free Cash FlowTrailing 4 quarters
$594.5M
$4.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARGX
ARGX
MPLX
MPLX
Q4 25
$323.3M
$1.5B
Q3 25
$1.4B
Q2 25
$361.8M
$1.7B
Q1 25
$1.2B
Q4 24
$41.9M
$1.7B
Q3 24
$1.4B
Q2 24
$-124.7M
$1.6B
Q1 24
$1.3B
Free Cash Flow
ARGX
ARGX
MPLX
MPLX
Q4 25
$322.4M
$782.0M
Q3 25
$905.0M
Q2 25
$356.6M
$1.4B
Q1 25
$979.0M
Q4 24
$40.9M
$1.4B
Q3 24
$1.1B
Q2 24
$-125.5M
$1.4B
Q1 24
$1.0B
FCF Margin
ARGX
ARGX
MPLX
MPLX
Q4 25
13.0%
31.9%
Q3 25
36.8%
Q2 25
20.1%
60.9%
Q1 25
39.8%
Q4 24
3.0%
56.6%
Q3 24
48.4%
Q2 24
-13.9%
60.0%
Q1 24
47.7%
Capex Intensity
ARGX
ARGX
MPLX
MPLX
Q4 25
0.0%
29.1%
Q3 25
21.4%
Q2 25
0.3%
12.8%
Q1 25
10.9%
Q4 24
0.1%
12.7%
Q3 24
11.9%
Q2 24
0.1%
9.4%
Q1 24
11.7%
Cash Conversion
ARGX
ARGX
MPLX
MPLX
Q4 25
0.37×
1.24×
Q3 25
0.92×
Q2 25
0.87×
1.64×
Q1 25
1.10×
Q4 24
0.05×
1.51×
Q3 24
1.35×
Q2 24
1.32×
Q1 24
1.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ARGX
ARGX

Segment breakdown not available.

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%

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