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Side-by-side financial comparison of Keysight Technologies (KEYS) 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 $1.4B, roughly 1.7× Keysight Technologies). MPLX LP runs the higher net margin — 49.1% vs 16.4%, a 32.7% gap on every dollar of revenue. On growth, Keysight Technologies posted the faster year-over-year revenue change (10.3% vs 1.4%). MPLX LP produced more free cash flow last quarter ($782.0M vs $187.0M). Over the past eight quarters, MPLX LP's revenue compounded faster (6.2% CAGR vs 6.2%).

Keysight Technologies, Inc. is an American company that manufactures electronics test and measurement equipment and software. The company was formed as a spin-off of Agilent Technologies, which inherited and rebranded the test and measurement product lines developed and produced, from the late 1960s to the turn of the millennium, by Hewlett-Packard's Test and Measurement division. Its name is a portmanteau of key and insight.

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.

KEYS vs MPLX — Head-to-Head

Bigger by revenue
MPLX
MPLX
1.7× larger
MPLX
$2.5B
$1.4B
KEYS
Growing faster (revenue YoY)
KEYS
KEYS
+8.8% gap
KEYS
10.3%
1.4%
MPLX
Higher net margin
MPLX
MPLX
32.7% more per $
MPLX
49.1%
16.4%
KEYS
More free cash flow
MPLX
MPLX
$595.0M more FCF
MPLX
$782.0M
$187.0M
KEYS
Faster 2-yr revenue CAGR
MPLX
MPLX
Annualised
MPLX
6.2%
6.2%
KEYS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
KEYS
KEYS
MPLX
MPLX
Revenue
$1.4B
$2.5B
Net Profit
$233.0M
$1.2B
Gross Margin
61.2%
Operating Margin
15.3%
60.5%
Net Margin
16.4%
49.1%
Revenue YoY
10.3%
1.4%
Net Profit YoY
419.2%
8.5%
EPS (diluted)
$1.35

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
KEYS
KEYS
MPLX
MPLX
Q4 25
$1.4B
$2.5B
Q3 25
$1.4B
$2.5B
Q2 25
$1.3B
$2.4B
Q1 25
$1.3B
$2.5B
Q4 24
$1.3B
$2.4B
Q3 24
$1.2B
$2.3B
Q2 24
$1.2B
$2.3B
Q1 24
$1.3B
$2.2B
Net Profit
KEYS
KEYS
MPLX
MPLX
Q4 25
$233.0M
$1.2B
Q3 25
$191.0M
$1.6B
Q2 25
$257.0M
$1.1B
Q1 25
$169.0M
$1.1B
Q4 24
$-73.0M
$1.1B
Q3 24
$389.0M
$1.0B
Q2 24
$126.0M
$1.2B
Q1 24
$172.0M
$1.0B
Gross Margin
KEYS
KEYS
MPLX
MPLX
Q4 25
61.2%
Q3 25
61.7%
Q2 25
62.3%
Q1 25
63.2%
Q4 24
62.3%
Q3 24
62.0%
Q2 24
62.7%
Q1 24
64.6%
Operating Margin
KEYS
KEYS
MPLX
MPLX
Q4 25
15.3%
60.5%
Q3 25
17.3%
73.2%
Q2 25
15.8%
54.9%
Q1 25
16.8%
55.5%
Q4 24
17.9%
55.6%
Q3 24
16.8%
54.4%
Q2 24
14.6%
62.9%
Q1 24
17.6%
57.6%
Net Margin
KEYS
KEYS
MPLX
MPLX
Q4 25
16.4%
49.1%
Q3 25
14.1%
63.2%
Q2 25
19.7%
44.9%
Q1 25
13.0%
46.2%
Q4 24
-5.7%
45.9%
Q3 24
32.0%
44.6%
Q2 24
10.4%
52.6%
Q1 24
13.7%
46.7%
EPS (diluted)
KEYS
KEYS
MPLX
MPLX
Q4 25
$1.35
Q3 25
$1.10
Q2 25
$1.49
Q1 25
$0.97
Q4 24
$-0.41
Q3 24
$2.22
Q2 24
$0.72
Q1 24
$0.98

Balance Sheet & Financial Strength

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

Metric
KEYS
KEYS
MPLX
MPLX
Cash + ST InvestmentsLiquidity on hand
$1.9B
$2.1B
Total DebtLower is stronger
$2.5B
$24.2B
Stockholders' EquityBook value
$5.9B
Total Assets
$11.3B
$43.0B
Debt / EquityLower = less leverage
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KEYS
KEYS
MPLX
MPLX
Q4 25
$1.9B
$2.1B
Q3 25
$2.6B
$1.8B
Q2 25
$3.1B
$1.4B
Q1 25
$2.1B
$2.5B
Q4 24
$1.8B
$1.5B
Q3 24
$1.6B
$2.4B
Q2 24
$1.7B
$2.5B
Q1 24
$1.7B
$385.0M
Total Debt
KEYS
KEYS
MPLX
MPLX
Q4 25
$2.5B
$24.2B
Q3 25
$2.5B
$24.1B
Q2 25
$2.5B
$19.7B
Q1 25
$1.8B
$19.7B
Q4 24
$1.8B
$19.3B
Q3 24
$1.8B
$19.3B
Q2 24
$1.8B
$19.2B
Q1 24
$1.8B
$18.8B
Stockholders' Equity
KEYS
KEYS
MPLX
MPLX
Q4 25
$5.9B
Q3 25
$5.7B
Q2 25
$5.5B
Q1 25
$5.2B
Q4 24
$5.1B
Q3 24
$5.2B
Q2 24
$4.9B
Q1 24
$4.8B
Total Assets
KEYS
KEYS
MPLX
MPLX
Q4 25
$11.3B
$43.0B
Q3 25
$10.7B
$43.2B
Q2 25
$10.5B
$37.8B
Q1 25
$9.4B
$39.0B
Q4 24
$9.3B
$37.5B
Q3 24
$9.3B
$38.5B
Q2 24
$9.0B
$38.4B
Q1 24
$9.1B
$36.5B
Debt / Equity
KEYS
KEYS
MPLX
MPLX
Q4 25
0.43×
Q3 25
0.45×
Q2 25
0.46×
Q1 25
0.35×
Q4 24
0.35×
Q3 24
0.34×
Q2 24
0.37×
Q1 24
0.38×

Cash Flow & Capital Efficiency

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

Metric
KEYS
KEYS
MPLX
MPLX
Operating Cash FlowLast quarter
$225.0M
$1.5B
Free Cash FlowOCF − Capex
$187.0M
$782.0M
FCF MarginFCF / Revenue
13.2%
31.9%
Capex IntensityCapex / Revenue
2.7%
29.1%
Cash ConversionOCF / Net Profit
0.97×
1.24×
TTM Free Cash FlowTrailing 4 quarters
$1.3B
$4.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KEYS
KEYS
MPLX
MPLX
Q4 25
$225.0M
$1.5B
Q3 25
$322.0M
$1.4B
Q2 25
$484.0M
$1.7B
Q1 25
$378.0M
$1.2B
Q4 24
$359.0M
$1.7B
Q3 24
$255.0M
$1.4B
Q2 24
$110.0M
$1.6B
Q1 24
$328.0M
$1.3B
Free Cash Flow
KEYS
KEYS
MPLX
MPLX
Q4 25
$187.0M
$782.0M
Q3 25
$291.0M
$905.0M
Q2 25
$457.0M
$1.4B
Q1 25
$346.0M
$979.0M
Q4 24
$321.0M
$1.4B
Q3 24
$222.0M
$1.1B
Q2 24
$74.0M
$1.4B
Q1 24
$281.0M
$1.0B
FCF Margin
KEYS
KEYS
MPLX
MPLX
Q4 25
13.2%
31.9%
Q3 25
21.5%
36.8%
Q2 25
35.0%
60.9%
Q1 25
26.7%
39.8%
Q4 24
24.9%
56.6%
Q3 24
18.2%
48.4%
Q2 24
6.1%
60.0%
Q1 24
22.3%
47.7%
Capex Intensity
KEYS
KEYS
MPLX
MPLX
Q4 25
2.7%
29.1%
Q3 25
2.3%
21.4%
Q2 25
2.1%
12.8%
Q1 25
2.5%
10.9%
Q4 24
3.0%
12.7%
Q3 24
2.7%
11.9%
Q2 24
3.0%
9.4%
Q1 24
3.7%
11.7%
Cash Conversion
KEYS
KEYS
MPLX
MPLX
Q4 25
0.97×
1.24×
Q3 25
1.69×
0.92×
Q2 25
1.88×
1.64×
Q1 25
2.24×
1.10×
Q4 24
1.51×
Q3 24
0.66×
1.35×
Q2 24
0.87×
1.32×
Q1 24
1.91×
1.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KEYS
KEYS

Transferred At Point In Time$790.0M56%
Electronicindustrial$429.0M30%
Transferred Over Time$200.0M14%

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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