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Side-by-side financial comparison of MPLX LP (MPLX) and S&P Global (SPGI). Click either name above to swap in a different company.

S&P Global is the larger business by last-quarter revenue ($4.2B vs $2.5B, roughly 1.7× MPLX LP). MPLX LP runs the higher net margin — 49.1% vs 36.1%, a 13.0% gap on every dollar of revenue. On growth, S&P Global posted the faster year-over-year revenue change (10.0% vs 1.4%). S&P Global produced more free cash flow last quarter ($919.0M vs $782.0M). Over the past eight quarters, S&P Global's revenue compounded faster (8.4% 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.

S&P Global Inc. is an American publicly traded corporation headquartered in Manhattan, New York. Its primary areas of business are financial information, analytics, and energy and commodities intelligence. It is the parent company of S&P Global Ratings, S&P Global Energy, S&P Global Market Intelligence, S&P Global Mobility, and the Indian credit rating agency CRISIL. It is also the majority owner of the S&P Dow Jones Indices joint venture. "S&P" is a shortening of "Standard and Poor's".

MPLX vs SPGI — Head-to-Head

Bigger by revenue
SPGI
SPGI
1.7× larger
SPGI
$4.2B
$2.5B
MPLX
Growing faster (revenue YoY)
SPGI
SPGI
+8.6% gap
SPGI
10.0%
1.4%
MPLX
Higher net margin
MPLX
MPLX
13.0% more per $
MPLX
49.1%
36.1%
SPGI
More free cash flow
SPGI
SPGI
$137.0M more FCF
SPGI
$919.0M
$782.0M
MPLX
Faster 2-yr revenue CAGR
SPGI
SPGI
Annualised
SPGI
8.4%
6.2%
MPLX

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MPLX
MPLX
SPGI
SPGI
Revenue
$2.5B
$4.2B
Net Profit
$1.2B
$1.5B
Gross Margin
Operating Margin
60.5%
48.0%
Net Margin
49.1%
36.1%
Revenue YoY
1.4%
10.0%
Net Profit YoY
8.5%
28.0%
EPS (diluted)
$4.69

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
SPGI
SPGI
Q1 26
$4.2B
Q4 25
$2.5B
$3.9B
Q3 25
$2.5B
$3.9B
Q2 25
$2.4B
$3.8B
Q1 25
$2.5B
$3.8B
Q4 24
$2.4B
$3.6B
Q3 24
$2.3B
$3.6B
Q2 24
$2.3B
$3.5B
Net Profit
MPLX
MPLX
SPGI
SPGI
Q1 26
$1.5B
Q4 25
$1.2B
$1.1B
Q3 25
$1.6B
$1.2B
Q2 25
$1.1B
$1.1B
Q1 25
$1.1B
$1.1B
Q4 24
$1.1B
$879.0M
Q3 24
$1.0B
$971.0M
Q2 24
$1.2B
$1.0B
Gross Margin
MPLX
MPLX
SPGI
SPGI
Q1 26
Q4 25
70.1%
Q3 25
71.2%
Q2 25
70.2%
Q1 25
69.5%
Q4 24
69.8%
Q3 24
70.0%
Q2 24
69.4%
Operating Margin
MPLX
MPLX
SPGI
SPGI
Q1 26
48.0%
Q4 25
60.5%
42.7%
Q3 25
73.2%
43.1%
Q2 25
54.9%
41.3%
Q1 25
55.5%
41.8%
Q4 24
55.6%
36.4%
Q3 24
54.4%
40.1%
Q2 24
62.9%
40.9%
Net Margin
MPLX
MPLX
SPGI
SPGI
Q1 26
36.1%
Q4 25
49.1%
28.9%
Q3 25
63.2%
30.2%
Q2 25
44.9%
28.5%
Q1 25
46.2%
28.9%
Q4 24
45.9%
24.5%
Q3 24
44.6%
27.2%
Q2 24
52.6%
28.5%
EPS (diluted)
MPLX
MPLX
SPGI
SPGI
Q1 26
$4.69
Q4 25
$3.76
Q3 25
$3.86
Q2 25
$3.50
Q1 25
$3.54
Q4 24
$2.85
Q3 24
$3.11
Q2 24
$3.23

Balance Sheet & Financial Strength

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

Metric
MPLX
MPLX
SPGI
SPGI
Cash + ST InvestmentsLiquidity on hand
$2.1B
Total DebtLower is stronger
$24.2B
$13.3B
Stockholders' EquityBook value
$31.3B
Total Assets
$43.0B
$60.8B
Debt / EquityLower = less leverage
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPLX
MPLX
SPGI
SPGI
Q1 26
Q4 25
$2.1B
$1.8B
Q3 25
$1.8B
$1.7B
Q2 25
$1.4B
$1.8B
Q1 25
$2.5B
$1.5B
Q4 24
$1.5B
$1.7B
Q3 24
$2.4B
$1.7B
Q2 24
$2.5B
$2.0B
Total Debt
MPLX
MPLX
SPGI
SPGI
Q1 26
$13.3B
Q4 25
$24.2B
$13.1B
Q3 25
$24.1B
$11.4B
Q2 25
$19.7B
$11.4B
Q1 25
$19.7B
$11.4B
Q4 24
$19.3B
$11.4B
Q3 24
$19.3B
$11.4B
Q2 24
$19.2B
$11.4B
Stockholders' Equity
MPLX
MPLX
SPGI
SPGI
Q1 26
$31.3B
Q4 25
$31.1B
Q3 25
$33.1B
Q2 25
$33.4B
Q1 25
$33.4B
Q4 24
$33.2B
Q3 24
$34.0B
Q2 24
$34.9B
Total Assets
MPLX
MPLX
SPGI
SPGI
Q1 26
$60.8B
Q4 25
$43.0B
$61.2B
Q3 25
$43.2B
$59.7B
Q2 25
$37.8B
$60.4B
Q1 25
$39.0B
$59.9B
Q4 24
$37.5B
$60.2B
Q3 24
$38.5B
$60.4B
Q2 24
$38.4B
$61.0B
Debt / Equity
MPLX
MPLX
SPGI
SPGI
Q1 26
0.43×
Q4 25
0.42×
Q3 25
0.34×
Q2 25
0.34×
Q1 25
0.34×
Q4 24
0.34×
Q3 24
0.34×
Q2 24
0.33×

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
SPGI
SPGI
Operating Cash FlowLast quarter
$1.5B
Free Cash FlowOCF − Capex
$782.0M
$919.0M
FCF MarginFCF / Revenue
31.9%
22.0%
Capex IntensityCapex / Revenue
29.1%
0.6%
Cash ConversionOCF / Net Profit
1.24×
TTM Free Cash FlowTrailing 4 quarters
$4.1B
$5.5B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPLX
MPLX
SPGI
SPGI
Q1 26
Q4 25
$1.5B
$1.7B
Q3 25
$1.4B
$1.5B
Q2 25
$1.7B
$1.4B
Q1 25
$1.2B
$953.0M
Q4 24
$1.7B
$1.7B
Q3 24
$1.4B
$1.4B
Q2 24
$1.6B
$1.6B
Free Cash Flow
MPLX
MPLX
SPGI
SPGI
Q1 26
$919.0M
Q4 25
$782.0M
$1.7B
Q3 25
$905.0M
$1.5B
Q2 25
$1.4B
$1.4B
Q1 25
$979.0M
$910.0M
Q4 24
$1.4B
$1.7B
Q3 24
$1.1B
$1.4B
Q2 24
$1.4B
$1.5B
FCF Margin
MPLX
MPLX
SPGI
SPGI
Q1 26
22.0%
Q4 25
31.9%
43.5%
Q3 25
36.8%
37.6%
Q2 25
60.9%
36.9%
Q1 25
39.8%
24.1%
Q4 24
56.6%
47.5%
Q3 24
48.4%
39.4%
Q2 24
60.0%
42.9%
Capex Intensity
MPLX
MPLX
SPGI
SPGI
Q1 26
0.6%
Q4 25
29.1%
1.2%
Q3 25
21.4%
1.2%
Q2 25
12.8%
1.6%
Q1 25
10.9%
1.1%
Q4 24
12.7%
0.9%
Q3 24
11.9%
1.0%
Q2 24
9.4%
0.9%
Cash Conversion
MPLX
MPLX
SPGI
SPGI
Q1 26
Q4 25
1.24×
1.54×
Q3 25
0.92×
1.28×
Q2 25
1.64×
1.35×
Q1 25
1.10×
0.87×
Q4 24
1.51×
1.98×
Q3 24
1.35×
1.49×
Q2 24
1.32×
1.54×

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%

SPGI
SPGI

Ratings$1.3B31%
Market Intelligence$1.3B31%
Energy$652.0M16%
Indices$519.0M12%
Mobility$454.0M11%

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