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Side-by-side financial comparison of MPLX LP (MPLX) and Simon Property Group (SPG). Click either name above to swap in a different company.

MPLX LP is the larger business by last-quarter revenue ($2.5B vs $1.8B, roughly 1.4× Simon Property Group). Simon Property Group runs the higher net margin — 197.6% vs 49.1%, a 148.5% gap on every dollar of revenue. On growth, Simon Property Group posted the faster year-over-year revenue change (13.2% vs 1.4%). Simon Property Group produced more free cash flow last quarter ($948.8M vs $782.0M). Over the past eight quarters, Simon Property Group's revenue compounded faster (11.4% 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.

Simon Media Properties, LLC, doing business as Simon Property Group, Inc., is an American real estate investment trust that invests in shopping malls, outlet centers, and community/lifestyle centers. It is the largest owner of shopping malls in the United States and is headquartered in Indianapolis, Indiana. As of December 31, 2024, it owned interests in 232 properties.

MPLX vs SPG — Head-to-Head

Bigger by revenue
MPLX
MPLX
1.4× larger
MPLX
$2.5B
$1.8B
SPG
Growing faster (revenue YoY)
SPG
SPG
+11.8% gap
SPG
13.2%
1.4%
MPLX
Higher net margin
SPG
SPG
148.5% more per $
SPG
197.6%
49.1%
MPLX
More free cash flow
SPG
SPG
$166.8M more FCF
SPG
$948.8M
$782.0M
MPLX
Faster 2-yr revenue CAGR
SPG
SPG
Annualised
SPG
11.4%
6.2%
MPLX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MPLX
MPLX
SPG
SPG
Revenue
$2.5B
$1.8B
Net Profit
$1.2B
$3.5B
Gross Margin
Operating Margin
60.5%
49.7%
Net Margin
49.1%
197.6%
Revenue YoY
1.4%
13.2%
Net Profit YoY
8.5%
358.7%
EPS (diluted)
$9.34

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
SPG
SPG
Q4 25
$2.5B
$1.8B
Q3 25
$2.5B
$1.6B
Q2 25
$2.4B
$1.5B
Q1 25
$2.5B
$1.5B
Q4 24
$2.4B
$1.6B
Q3 24
$2.3B
$1.5B
Q2 24
$2.3B
$1.5B
Q1 24
$2.2B
$1.4B
Net Profit
MPLX
MPLX
SPG
SPG
Q4 25
$1.2B
$3.5B
Q3 25
$1.6B
$702.7M
Q2 25
$1.1B
$643.7M
Q1 25
$1.1B
$477.9M
Q4 24
$1.1B
$771.8M
Q3 24
$1.0B
$546.7M
Q2 24
$1.2B
$569.4M
Q1 24
$1.0B
$841.2M
Operating Margin
MPLX
MPLX
SPG
SPG
Q4 25
60.5%
49.7%
Q3 25
73.2%
50.8%
Q2 25
54.9%
49.7%
Q1 25
55.5%
49.4%
Q4 24
55.6%
52.8%
Q3 24
54.4%
51.9%
Q2 24
62.9%
51.7%
Q1 24
57.6%
51.0%
Net Margin
MPLX
MPLX
SPG
SPG
Q4 25
49.1%
197.6%
Q3 25
63.2%
43.9%
Q2 25
44.9%
43.0%
Q1 25
46.2%
32.4%
Q4 24
45.9%
48.8%
Q3 24
44.6%
36.9%
Q2 24
52.6%
39.0%
Q1 24
46.7%
58.3%
EPS (diluted)
MPLX
MPLX
SPG
SPG
Q4 25
$9.34
Q3 25
$1.86
Q2 25
$1.70
Q1 25
$1.27
Q4 24
$2.04
Q3 24
$1.46
Q2 24
$1.51
Q1 24
$2.25

Balance Sheet & Financial Strength

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

Metric
MPLX
MPLX
SPG
SPG
Cash + ST InvestmentsLiquidity on hand
$2.1B
$823.1M
Total DebtLower is stronger
$24.2B
$28.4B
Stockholders' EquityBook value
$5.2B
Total Assets
$43.0B
$40.6B
Debt / EquityLower = less leverage
5.46×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPLX
MPLX
SPG
SPG
Q4 25
$2.1B
$823.1M
Q3 25
$1.8B
$1.6B
Q2 25
$1.4B
$1.2B
Q1 25
$2.5B
$1.4B
Q4 24
$1.5B
$1.4B
Q3 24
$2.4B
$2.5B
Q2 24
$2.5B
$2.5B
Q1 24
$385.0M
$2.6B
Total Debt
MPLX
MPLX
SPG
SPG
Q4 25
$24.2B
$28.4B
Q3 25
$24.1B
$25.8B
Q2 25
$19.7B
$25.4B
Q1 25
$19.7B
$24.8B
Q4 24
$19.3B
$24.3B
Q3 24
$19.3B
$25.4B
Q2 24
$19.2B
$25.3B
Q1 24
$18.8B
$25.5B
Stockholders' Equity
MPLX
MPLX
SPG
SPG
Q4 25
$5.2B
Q3 25
$2.3B
Q2 25
$2.5B
Q1 25
$2.6B
Q4 24
$2.9B
Q3 24
$2.7B
Q2 24
$2.9B
Q1 24
$3.1B
Total Assets
MPLX
MPLX
SPG
SPG
Q4 25
$43.0B
$40.6B
Q3 25
$43.2B
$33.6B
Q2 25
$37.8B
$33.3B
Q1 25
$39.0B
$32.5B
Q4 24
$37.5B
$32.4B
Q3 24
$38.5B
$33.3B
Q2 24
$38.4B
$33.4B
Q1 24
$36.5B
$33.7B
Debt / Equity
MPLX
MPLX
SPG
SPG
Q4 25
5.46×
Q3 25
10.98×
Q2 25
10.36×
Q1 25
9.50×
Q4 24
8.25×
Q3 24
9.37×
Q2 24
8.59×
Q1 24
8.22×

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
SPG
SPG
Operating Cash FlowLast quarter
$1.5B
$1.2B
Free Cash FlowOCF − Capex
$782.0M
$948.8M
FCF MarginFCF / Revenue
31.9%
53.0%
Capex IntensityCapex / Revenue
29.1%
14.2%
Cash ConversionOCF / Net Profit
1.24×
0.34×
TTM Free Cash FlowTrailing 4 quarters
$4.1B
$3.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPLX
MPLX
SPG
SPG
Q4 25
$1.5B
$1.2B
Q3 25
$1.4B
$890.3M
Q2 25
$1.7B
$1.2B
Q1 25
$1.2B
$827.2M
Q4 24
$1.7B
$1.1B
Q3 24
$1.4B
$892.9M
Q2 24
$1.6B
$1.1B
Q1 24
$1.3B
$773.1M
Free Cash Flow
MPLX
MPLX
SPG
SPG
Q4 25
$782.0M
$948.8M
Q3 25
$905.0M
$685.0M
Q2 25
$1.4B
$971.3M
Q1 25
$979.0M
$597.0M
Q4 24
$1.4B
$867.7M
Q3 24
$1.1B
$706.5M
Q2 24
$1.4B
$874.8M
Q1 24
$1.0B
$610.1M
FCF Margin
MPLX
MPLX
SPG
SPG
Q4 25
31.9%
53.0%
Q3 25
36.8%
42.8%
Q2 25
60.9%
64.8%
Q1 25
39.8%
40.5%
Q4 24
56.6%
54.8%
Q3 24
48.4%
47.7%
Q2 24
60.0%
60.0%
Q1 24
47.7%
42.3%
Capex Intensity
MPLX
MPLX
SPG
SPG
Q4 25
29.1%
14.2%
Q3 25
21.4%
12.8%
Q2 25
12.8%
16.3%
Q1 25
10.9%
15.6%
Q4 24
12.7%
13.8%
Q3 24
11.9%
12.6%
Q2 24
9.4%
12.9%
Q1 24
11.7%
11.3%
Cash Conversion
MPLX
MPLX
SPG
SPG
Q4 25
1.24×
0.34×
Q3 25
0.92×
1.27×
Q2 25
1.64×
1.89×
Q1 25
1.10×
1.73×
Q4 24
1.51×
1.41×
Q3 24
1.35×
1.63×
Q2 24
1.32×
1.87×
Q1 24
1.27×
0.92×

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%

SPG
SPG

Real Estate Segment$1.7B95%
Other$86.3M5%

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