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Side-by-side financial comparison of MPLX LP (MPLX) and Willis Towers Watson (WTW). Click either name above to swap in a different company.

MPLX LP is the larger business by last-quarter revenue ($2.5B vs $2.4B, roughly 1.0× Willis Towers Watson). MPLX LP runs the higher net margin — 49.1% vs 12.6%, a 36.5% gap on every dollar of revenue. On growth, Willis Towers Watson posted the faster year-over-year revenue change (8.5% vs 1.4%). Over the past eight quarters, MPLX LP's revenue compounded faster (6.2% CAGR vs 4.3%).

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.

Willis Towers Watson plc is a British-American multinational advisory, broking and solutions company. Its operations span commercial insurance brokerage and risk advisory, employee benefits and rewards consulting, retirement and actuarial services, and investment advice for pension funds and institutional investors.

MPLX vs WTW — Head-to-Head

Bigger by revenue
MPLX
MPLX
1.0× larger
MPLX
$2.5B
$2.4B
WTW
Growing faster (revenue YoY)
WTW
WTW
+7.1% gap
WTW
8.5%
1.4%
MPLX
Higher net margin
MPLX
MPLX
36.5% more per $
MPLX
49.1%
12.6%
WTW
Faster 2-yr revenue CAGR
MPLX
MPLX
Annualised
MPLX
6.2%
4.3%
WTW

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MPLX
MPLX
WTW
WTW
Revenue
$2.5B
$2.4B
Net Profit
$1.2B
$303.0M
Gross Margin
Operating Margin
60.5%
18.6%
Net Margin
49.1%
12.6%
Revenue YoY
1.4%
8.5%
Net Profit YoY
8.5%
27.0%
EPS (diluted)
$3.10

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
WTW
WTW
Q1 26
$2.4B
Q4 25
$2.5B
$2.9B
Q3 25
$2.5B
$2.2B
Q2 25
$2.4B
$2.2B
Q1 25
$2.5B
$2.2B
Q4 24
$2.4B
$3.0B
Q3 24
$2.3B
$2.2B
Q2 24
$2.3B
$2.2B
Net Profit
MPLX
MPLX
WTW
WTW
Q1 26
$303.0M
Q4 25
$1.2B
$735.0M
Q3 25
$1.6B
$304.0M
Q2 25
$1.1B
$331.0M
Q1 25
$1.1B
$235.0M
Q4 24
$1.1B
$1.2B
Q3 24
$1.0B
$-1.7B
Q2 24
$1.2B
$141.0M
Operating Margin
MPLX
MPLX
WTW
WTW
Q1 26
18.6%
Q4 25
60.5%
35.3%
Q3 25
73.2%
18.7%
Q2 25
54.9%
16.6%
Q1 25
55.5%
19.8%
Q4 24
55.6%
30.2%
Q3 24
54.4%
-34.2%
Q2 24
62.9%
9.6%
Net Margin
MPLX
MPLX
WTW
WTW
Q1 26
12.6%
Q4 25
49.1%
25.5%
Q3 25
63.2%
13.6%
Q2 25
44.9%
14.9%
Q1 25
46.2%
10.8%
Q4 24
45.9%
41.7%
Q3 24
44.6%
-74.8%
Q2 24
52.6%
6.4%
EPS (diluted)
MPLX
MPLX
WTW
WTW
Q1 26
$3.10
Q4 25
$7.50
Q3 25
$3.11
Q2 25
$3.32
Q1 25
$2.33
Q4 24
$12.29
Q3 24
$-16.44
Q2 24
$1.36

Balance Sheet & Financial Strength

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

Metric
MPLX
MPLX
WTW
WTW
Cash + ST InvestmentsLiquidity on hand
$2.1B
$1.9B
Total DebtLower is stronger
$24.2B
$6.3B
Stockholders' EquityBook value
$8.1B
Total Assets
$43.0B
$29.6B
Debt / EquityLower = less leverage
0.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPLX
MPLX
WTW
WTW
Q1 26
$1.9B
Q4 25
$2.1B
$3.2B
Q3 25
$1.8B
$1.9B
Q2 25
$1.4B
$2.0B
Q1 25
$2.5B
$1.5B
Q4 24
$1.5B
$1.9B
Q3 24
$2.4B
$1.4B
Q2 24
$2.5B
$1.2B
Total Debt
MPLX
MPLX
WTW
WTW
Q1 26
$6.3B
Q4 25
$24.2B
$9.7B
Q3 25
$24.1B
Q2 25
$19.7B
Q1 25
$19.7B
Q4 24
$19.3B
$8.6B
Q3 24
$19.3B
Q2 24
$19.2B
Stockholders' Equity
MPLX
MPLX
WTW
WTW
Q1 26
$8.1B
Q4 25
$8.0B
Q3 25
$7.7B
Q2 25
$8.1B
Q1 25
$8.1B
Q4 24
$7.9B
Q3 24
$7.5B
Q2 24
$9.3B
Total Assets
MPLX
MPLX
WTW
WTW
Q1 26
$29.6B
Q4 25
$43.0B
$29.5B
Q3 25
$43.2B
$27.4B
Q2 25
$37.8B
$28.5B
Q1 25
$39.0B
$28.1B
Q4 24
$37.5B
$27.7B
Q3 24
$38.5B
$27.2B
Q2 24
$38.4B
$29.6B
Debt / Equity
MPLX
MPLX
WTW
WTW
Q1 26
0.78×
Q4 25
1.21×
Q3 25
Q2 25
Q1 25
Q4 24
1.08×
Q3 24
Q2 24

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

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPLX
MPLX
WTW
WTW
Q1 26
Q4 25
$1.5B
$771.0M
Q3 25
$1.4B
$678.0M
Q2 25
$1.7B
$361.0M
Q1 25
$1.2B
$-35.0M
Q4 24
$1.7B
$599.0M
Q3 24
$1.4B
$482.0M
Q2 24
$1.6B
$407.0M
Free Cash Flow
MPLX
MPLX
WTW
WTW
Q1 26
Q4 25
$782.0M
$708.0M
Q3 25
$905.0M
$621.0M
Q2 25
$1.4B
$303.0M
Q1 25
$979.0M
$-86.0M
Q4 24
$1.4B
$543.0M
Q3 24
$1.1B
$419.0M
Q2 24
$1.4B
$341.0M
FCF Margin
MPLX
MPLX
WTW
WTW
Q1 26
Q4 25
31.9%
24.6%
Q3 25
36.8%
27.7%
Q2 25
60.9%
13.7%
Q1 25
39.8%
-3.9%
Q4 24
56.6%
18.2%
Q3 24
48.4%
18.7%
Q2 24
60.0%
15.4%
Capex Intensity
MPLX
MPLX
WTW
WTW
Q1 26
Q4 25
29.1%
2.2%
Q3 25
21.4%
2.5%
Q2 25
12.8%
2.6%
Q1 25
10.9%
2.3%
Q4 24
12.7%
1.9%
Q3 24
11.9%
2.8%
Q2 24
9.4%
3.0%
Cash Conversion
MPLX
MPLX
WTW
WTW
Q1 26
Q4 25
1.24×
1.05×
Q3 25
0.92×
2.23×
Q2 25
1.64×
1.09×
Q1 25
1.10×
-0.15×
Q4 24
1.51×
0.48×
Q3 24
1.35×
Q2 24
1.32×
2.89×

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%

WTW
WTW

Bps The HWC segment had$1.3B53%
Bps The R&B segment had$1.1B46%

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