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Side-by-side financial comparison of CMS Energy (CMS) and CSX Corporation (CSX). Click either name above to swap in a different company.

CSX Corporation is the larger business by last-quarter revenue ($3.5B vs $2.1B, roughly 1.6× CMS Energy). CSX Corporation runs the higher net margin — 23.2% vs 13.5%, a 9.6% gap on every dollar of revenue. On growth, CMS Energy posted the faster year-over-year revenue change (13.0% vs 1.7%). Over the past eight quarters, CMS Energy's revenue compounded faster (-0.2% CAGR vs -3.0%).

CMS Energy Corporation is an American energy company based in Jackson, Michigan, that is focused principally on utility operations in Michigan. Its principal business is Consumers Energy, a public utility that provides electricity and natural gas to more than 6 million of Michigan's 10 million residents. Its non-utility businesses are focused primarily on domestic independent power production. Consumers Energy has operated since 1886.

CSX Transportation, known colloquially as simply CSX, is a Class I freight railroad company operating in the Eastern United States and the Canadian provinces of Ontario and Quebec. Operating about 21,000 route miles (34,000 km) of track, it is the leading subsidiary of CSX Corporation, a Fortune 500 company headquartered in Jacksonville, Florida.

CMS vs CSX — Head-to-Head

Bigger by revenue
CSX
CSX
1.6× larger
CSX
$3.5B
$2.1B
CMS
Growing faster (revenue YoY)
CMS
CMS
+11.2% gap
CMS
13.0%
1.7%
CSX
Higher net margin
CSX
CSX
9.6% more per $
CSX
23.2%
13.5%
CMS
Faster 2-yr revenue CAGR
CMS
CMS
Annualised
CMS
-0.2%
-3.0%
CSX

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CMS
CMS
CSX
CSX
Revenue
$2.1B
$3.5B
Net Profit
$289.0M
$807.0M
Gross Margin
Operating Margin
20.4%
36.0%
Net Margin
13.5%
23.2%
Revenue YoY
13.0%
1.7%
Net Profit YoY
9.1%
24.9%
EPS (diluted)
$0.94

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
CMS
CMS
CSX
CSX
Q1 26
$3.5B
Q4 25
$2.1B
$3.5B
Q3 25
$2.0B
$3.6B
Q2 25
$1.8B
$3.6B
Q1 25
$2.4B
$3.4B
Q4 24
$1.9B
$3.5B
Q3 24
$1.7B
$3.6B
Q2 24
$1.6B
$3.7B
Net Profit
CMS
CMS
CSX
CSX
Q1 26
$807.0M
Q4 25
$289.0M
$720.0M
Q3 25
$277.0M
$694.0M
Q2 25
$201.0M
$829.0M
Q1 25
$304.0M
$646.0M
Q4 24
$265.0M
$720.0M
Q3 24
$253.0M
$894.0M
Q2 24
$198.0M
$963.0M
Operating Margin
CMS
CMS
CSX
CSX
Q1 26
36.0%
Q4 25
20.4%
31.6%
Q3 25
24.4%
30.3%
Q2 25
17.6%
35.9%
Q1 25
20.6%
30.4%
Q4 24
22.5%
30.8%
Q3 24
21.4%
37.4%
Q2 24
18.0%
39.1%
Net Margin
CMS
CMS
CSX
CSX
Q1 26
23.2%
Q4 25
13.5%
20.5%
Q3 25
14.0%
19.3%
Q2 25
11.2%
23.2%
Q1 25
12.7%
18.9%
Q4 24
14.0%
20.3%
Q3 24
14.8%
24.7%
Q2 24
12.6%
26.0%
EPS (diluted)
CMS
CMS
CSX
CSX
Q1 26
Q4 25
$0.94
$0.39
Q3 25
$0.92
$0.37
Q2 25
$0.66
$0.44
Q1 25
$1.01
$0.34
Q4 24
$0.88
$0.38
Q3 24
$0.84
$0.46
Q2 24
$0.65
$0.49

Balance Sheet & Financial Strength

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

Metric
CMS
CMS
CSX
CSX
Cash + ST InvestmentsLiquidity on hand
$509.0M
$1.1B
Total DebtLower is stronger
$18.9B
Stockholders' EquityBook value
$9.1B
$13.6B
Total Assets
$39.9B
$44.2B
Debt / EquityLower = less leverage
1.39×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CMS
CMS
CSX
CSX
Q1 26
$1.1B
Q4 25
$509.0M
$5.0M
Q3 25
$362.0M
$6.0M
Q2 25
$844.0M
$6.0M
Q1 25
$465.0M
$8.0M
Q4 24
$103.0M
$72.0M
Q3 24
$412.0M
$12.0M
Q2 24
$699.0M
$4.0M
Total Debt
CMS
CMS
CSX
CSX
Q1 26
$18.9B
Q4 25
$18.2B
Q3 25
$18.6B
Q2 25
$18.6B
Q1 25
$18.5B
Q4 24
$17.9B
Q3 24
$18.5B
Q2 24
$18.0B
Stockholders' Equity
CMS
CMS
CSX
CSX
Q1 26
$13.6B
Q4 25
$9.1B
$13.2B
Q3 25
$8.9B
$12.8B
Q2 25
$8.4B
$12.4B
Q1 25
$8.3B
$12.2B
Q4 24
$8.2B
$12.5B
Q3 24
$8.1B
$12.9B
Q2 24
$8.0B
$12.6B
Total Assets
CMS
CMS
CSX
CSX
Q1 26
$44.2B
Q4 25
$39.9B
$43.7B
Q3 25
$38.0B
$43.3B
Q2 25
$37.7B
$42.9B
Q1 25
$36.3B
$43.2B
Q4 24
$35.9B
$42.8B
Q3 24
$34.8B
$43.1B
Q2 24
$34.4B
$42.4B
Debt / Equity
CMS
CMS
CSX
CSX
Q1 26
1.39×
Q4 25
1.38×
Q3 25
1.45×
Q2 25
1.50×
Q1 25
1.52×
Q4 24
1.43×
Q3 24
1.43×
Q2 24
1.42×

Cash Flow & Capital Efficiency

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

Metric
CMS
CMS
CSX
CSX
Operating Cash FlowLast quarter
$478.0M
$1.3B
Free Cash FlowOCF − Capex
$793.0M
FCF MarginFCF / Revenue
22.8%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.65×
1.58×
TTM Free Cash FlowTrailing 4 quarters
$2.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CMS
CMS
CSX
CSX
Q1 26
$1.3B
Q4 25
$478.0M
$1.4B
Q3 25
$343.0M
$1.3B
Q2 25
$414.0M
$635.0M
Q1 25
$1.0B
$1.3B
Q4 24
$403.0M
$1.4B
Q3 24
$304.0M
$1.7B
Q2 24
$707.0M
$1.1B
Free Cash Flow
CMS
CMS
CSX
CSX
Q1 26
$793.0M
Q4 25
$709.0M
Q3 25
$-635.0M
$607.0M
Q2 25
$-470.0M
$-141.0M
Q1 25
$112.0M
$536.0M
Q4 24
$550.0M
Q3 24
$-502.0M
$1.1B
Q2 24
$26.0M
$547.0M
FCF Margin
CMS
CMS
CSX
CSX
Q1 26
22.8%
Q4 25
20.2%
Q3 25
-32.2%
16.9%
Q2 25
-26.1%
-3.9%
Q1 25
4.7%
15.7%
Q4 24
15.5%
Q3 24
-29.3%
29.3%
Q2 24
1.6%
14.8%
Capex Intensity
CMS
CMS
CSX
CSX
Q1 26
Q4 25
19.3%
Q3 25
49.5%
20.4%
Q2 25
49.2%
21.7%
Q1 25
37.0%
21.0%
Q4 24
23.7%
Q3 24
47.1%
17.3%
Q2 24
43.2%
14.6%
Cash Conversion
CMS
CMS
CSX
CSX
Q1 26
1.58×
Q4 25
1.65×
1.93×
Q3 25
1.24×
1.93×
Q2 25
2.06×
0.77×
Q1 25
3.29×
1.94×
Q4 24
1.52×
1.93×
Q3 24
1.20×
1.89×
Q2 24
3.57×
1.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CMS
CMS

Electric Utility$1.3B59%
Gas Utility$803.0M38%
North Star Clean Energy$77.0M4%

CSX
CSX

Segment breakdown not available.

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