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Side-by-side financial comparison of BNY Mellon (BK) and MPLX LP (MPLX). Click either name above to swap in a different company.

MPLX LP is the larger business by last-quarter revenue ($2.5B vs $1.3B, roughly 1.8× BNY Mellon). BNY Mellon runs the higher net margin — 108.5% vs 49.1%, a 59.5% gap on every dollar of revenue. On growth, BNY Mellon posted the faster year-over-year revenue change (12.7% vs 1.4%). BNY Mellon produced more free cash flow last quarter ($4.7B vs $782.0M). Over the past eight quarters, BNY Mellon's revenue compounded faster (13.8% CAGR vs 6.2%).

The Bank of New York Mellon Corporation, commonly known as BNY or by its prior brand name BNY Mellon, is an American international financial services company headquartered in New York City. It was established in its current form in July 2007 by the merger of the Bank of New York and Mellon Financial Corporation.

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.

BK vs MPLX — Head-to-Head

Bigger by revenue
MPLX
MPLX
1.8× larger
MPLX
$2.5B
$1.3B
BK
Growing faster (revenue YoY)
BK
BK
+11.3% gap
BK
12.7%
1.4%
MPLX
Higher net margin
BK
BK
59.5% more per $
BK
108.5%
49.1%
MPLX
More free cash flow
BK
BK
$4.0B more FCF
BK
$4.7B
$782.0M
MPLX
Faster 2-yr revenue CAGR
BK
BK
Annualised
BK
13.8%
6.2%
MPLX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BK
BK
MPLX
MPLX
Revenue
$1.3B
$2.5B
Net Profit
$1.5B
$1.2B
Gross Margin
Operating Margin
60.5%
Net Margin
108.5%
49.1%
Revenue YoY
12.7%
1.4%
Net Profit YoY
26.5%
8.5%
EPS (diluted)
$2.01

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
BK
BK
MPLX
MPLX
Q4 25
$1.3B
$2.5B
Q3 25
$1.2B
$2.5B
Q2 25
$1.2B
$2.4B
Q1 25
$1.2B
$2.5B
Q4 24
$1.2B
$2.4B
Q3 24
$1.0B
$2.3B
Q2 24
$1.0B
$2.3B
Q1 24
$1.0B
$2.2B
Net Profit
BK
BK
MPLX
MPLX
Q4 25
$1.5B
$1.2B
Q3 25
$1.4B
$1.6B
Q2 25
$1.4B
$1.1B
Q1 25
$1.2B
$1.1B
Q4 24
$1.2B
$1.1B
Q3 24
$1.2B
$1.0B
Q2 24
$1.2B
$1.2B
Q1 24
$1.0B
$1.0B
Operating Margin
BK
BK
MPLX
MPLX
Q4 25
60.5%
Q3 25
73.2%
Q2 25
54.9%
Q1 25
55.5%
Q4 24
55.6%
Q3 24
54.4%
Q2 24
62.9%
Q1 24
57.6%
Net Margin
BK
BK
MPLX
MPLX
Q4 25
108.5%
49.1%
Q3 25
116.9%
63.2%
Q2 25
118.3%
44.9%
Q1 25
105.3%
46.2%
Q4 24
96.7%
45.9%
Q3 24
112.8%
44.6%
Q2 24
113.4%
52.6%
Q1 24
98.6%
46.7%
EPS (diluted)
BK
BK
MPLX
MPLX
Q4 25
$2.01
Q3 25
$1.88
Q2 25
$1.93
Q1 25
$1.58
Q4 24
$1.53
Q3 24
$1.50
Q2 24
$1.52
Q1 24
$1.25

Balance Sheet & Financial Strength

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

Metric
BK
BK
MPLX
MPLX
Cash + ST InvestmentsLiquidity on hand
$5.1B
$2.1B
Total DebtLower is stronger
$31.9B
$24.2B
Stockholders' EquityBook value
$44.3B
Total Assets
$472.3B
$43.0B
Debt / EquityLower = less leverage
0.72×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BK
BK
MPLX
MPLX
Q4 25
$5.1B
$2.1B
Q3 25
$5.1B
$1.8B
Q2 25
$5.7B
$1.4B
Q1 25
$5.4B
$2.5B
Q4 24
$4.2B
$1.5B
Q3 24
$6.2B
$2.4B
Q2 24
$5.3B
$2.5B
Q1 24
$5.3B
$385.0M
Total Debt
BK
BK
MPLX
MPLX
Q4 25
$31.9B
$24.2B
Q3 25
$32.3B
$24.1B
Q2 25
$33.4B
$19.7B
Q1 25
$30.9B
$19.7B
Q4 24
$30.9B
$19.3B
Q3 24
$33.2B
$19.3B
Q2 24
$30.9B
$19.2B
Q1 24
$32.4B
$18.8B
Stockholders' Equity
BK
BK
MPLX
MPLX
Q4 25
$44.3B
Q3 25
$43.9B
Q2 25
$44.0B
Q1 25
$43.1B
Q4 24
$41.3B
Q3 24
$42.0B
Q2 24
$40.8B
Q1 24
$40.6B
Total Assets
BK
BK
MPLX
MPLX
Q4 25
$472.3B
$43.0B
Q3 25
$455.3B
$43.2B
Q2 25
$485.8B
$37.8B
Q1 25
$440.7B
$39.0B
Q4 24
$416.1B
$37.5B
Q3 24
$427.5B
$38.5B
Q2 24
$428.5B
$38.4B
Q1 24
$434.7B
$36.5B
Debt / Equity
BK
BK
MPLX
MPLX
Q4 25
0.72×
Q3 25
0.74×
Q2 25
0.76×
Q1 25
0.72×
Q4 24
0.75×
Q3 24
0.79×
Q2 24
0.76×
Q1 24
0.80×

Cash Flow & Capital Efficiency

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

Metric
BK
BK
MPLX
MPLX
Operating Cash FlowLast quarter
$5.2B
$1.5B
Free Cash FlowOCF − Capex
$4.7B
$782.0M
FCF MarginFCF / Revenue
352.8%
31.9%
Capex IntensityCapex / Revenue
32.4%
29.1%
Cash ConversionOCF / Net Profit
3.55×
1.24×
TTM Free Cash FlowTrailing 4 quarters
$5.2B
$4.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BK
BK
MPLX
MPLX
Q4 25
$5.2B
$1.5B
Q3 25
$-1.1B
$1.4B
Q2 25
$2.2B
$1.7B
Q1 25
$412.0M
$1.2B
Q4 24
$1.6B
$1.7B
Q3 24
$-312.0M
$1.4B
Q2 24
$2.1B
$1.6B
Q1 24
$-2.7B
$1.3B
Free Cash Flow
BK
BK
MPLX
MPLX
Q4 25
$4.7B
$782.0M
Q3 25
$-1.5B
$905.0M
Q2 25
$1.8B
$1.4B
Q1 25
$92.0M
$979.0M
Q4 24
$1.1B
$1.4B
Q3 24
$-687.0M
$1.1B
Q2 24
$1.7B
$1.4B
Q1 24
$-3.0B
$1.0B
FCF Margin
BK
BK
MPLX
MPLX
Q4 25
352.8%
31.9%
Q3 25
-121.5%
36.8%
Q2 25
152.8%
60.9%
Q1 25
7.9%
39.8%
Q4 24
95.2%
56.6%
Q3 24
-65.6%
48.4%
Q2 24
169.6%
60.0%
Q1 24
-286.4%
47.7%
Capex Intensity
BK
BK
MPLX
MPLX
Q4 25
32.4%
29.1%
Q3 25
35.4%
21.4%
Q2 25
29.8%
12.8%
Q1 25
27.6%
10.9%
Q4 24
34.6%
12.7%
Q3 24
35.8%
11.9%
Q2 24
37.1%
9.4%
Q1 24
28.7%
11.7%
Cash Conversion
BK
BK
MPLX
MPLX
Q4 25
3.55×
1.24×
Q3 25
-0.74×
0.92×
Q2 25
1.54×
1.64×
Q1 25
0.34×
1.10×
Q4 24
1.34×
1.51×
Q3 24
-0.26×
1.35×
Q2 24
1.82×
1.32×
Q1 24
-2.61×
1.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BK
BK

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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