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

CSX Corporation is the larger business by last-quarter revenue ($3.5B vs $3.2B, roughly 1.1× SANMINA CORP). CSX Corporation runs the higher net margin — 23.2% vs 1.5%, a 21.6% gap on every dollar of revenue. On growth, SANMINA CORP posted the faster year-over-year revenue change (59.0% vs 1.7%). CSX Corporation produced more free cash flow last quarter ($793.0M vs $91.9M). Over the past eight quarters, SANMINA CORP's revenue compounded faster (31.9% CAGR vs -3.0%).

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.

Sanmina Corporation is an American electronics manufacturing services (EMS) provider headquartered in San Jose, California that serves original equipment manufacturers (OEMs) in communications and computer hardware fields. The firm has nearly 80 manufacturing sites, and is one of the world’s largest independent manufacturers of printed circuit boards and backplanes. As of 2022, it is ranked number 482 in the Fortune 500 list.

CSX vs SANM — Head-to-Head

Bigger by revenue
CSX
CSX
1.1× larger
CSX
$3.5B
$3.2B
SANM
Growing faster (revenue YoY)
SANM
SANM
+57.3% gap
SANM
59.0%
1.7%
CSX
Higher net margin
CSX
CSX
21.6% more per $
CSX
23.2%
1.5%
SANM
More free cash flow
CSX
CSX
$701.1M more FCF
CSX
$793.0M
$91.9M
SANM
Faster 2-yr revenue CAGR
SANM
SANM
Annualised
SANM
31.9%
-3.0%
CSX

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CSX
CSX
SANM
SANM
Revenue
$3.5B
$3.2B
Net Profit
$807.0M
$49.3M
Gross Margin
7.6%
Operating Margin
36.0%
2.3%
Net Margin
23.2%
1.5%
Revenue YoY
1.7%
59.0%
Net Profit YoY
24.9%
-24.2%
EPS (diluted)
$0.89

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
CSX
CSX
SANM
SANM
Q1 26
$3.5B
Q4 25
$3.5B
$3.2B
Q3 25
$3.6B
$2.1B
Q2 25
$3.6B
$2.0B
Q1 25
$3.4B
$2.0B
Q4 24
$3.5B
$2.0B
Q3 24
$3.6B
$2.0B
Q2 24
$3.7B
$1.8B
Net Profit
CSX
CSX
SANM
SANM
Q1 26
$807.0M
Q4 25
$720.0M
$49.3M
Q3 25
$694.0M
$48.1M
Q2 25
$829.0M
$68.6M
Q1 25
$646.0M
$64.2M
Q4 24
$720.0M
$65.0M
Q3 24
$894.0M
$61.4M
Q2 24
$963.0M
$51.6M
Gross Margin
CSX
CSX
SANM
SANM
Q1 26
Q4 25
7.6%
Q3 25
9.1%
Q2 25
8.9%
Q1 25
8.9%
Q4 24
8.4%
Q3 24
8.5%
Q2 24
8.3%
Operating Margin
CSX
CSX
SANM
SANM
Q1 26
36.0%
Q4 25
31.6%
2.3%
Q3 25
30.3%
3.7%
Q2 25
35.9%
4.7%
Q1 25
30.4%
4.6%
Q4 24
30.8%
4.4%
Q3 24
37.4%
4.4%
Q2 24
39.1%
4.5%
Net Margin
CSX
CSX
SANM
SANM
Q1 26
23.2%
Q4 25
20.5%
1.5%
Q3 25
19.3%
2.3%
Q2 25
23.2%
3.4%
Q1 25
18.9%
3.2%
Q4 24
20.3%
3.2%
Q3 24
24.7%
3.0%
Q2 24
26.0%
2.8%
EPS (diluted)
CSX
CSX
SANM
SANM
Q1 26
Q4 25
$0.39
$0.89
Q3 25
$0.37
$0.88
Q2 25
$0.44
$1.26
Q1 25
$0.34
$1.16
Q4 24
$0.38
$1.16
Q3 24
$0.46
$1.09
Q2 24
$0.49
$0.91

Balance Sheet & Financial Strength

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

Metric
CSX
CSX
SANM
SANM
Cash + ST InvestmentsLiquidity on hand
$1.1B
$1.4B
Total DebtLower is stronger
$18.9B
$2.2B
Stockholders' EquityBook value
$13.6B
$2.7B
Total Assets
$44.2B
$9.8B
Debt / EquityLower = less leverage
1.39×
0.82×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSX
CSX
SANM
SANM
Q1 26
$1.1B
Q4 25
$5.0M
$1.4B
Q3 25
$6.0M
$926.3M
Q2 25
$6.0M
$797.9M
Q1 25
$8.0M
$647.1M
Q4 24
$72.0M
$642.4M
Q3 24
$12.0M
$625.9M
Q2 24
$4.0M
$657.7M
Total Debt
CSX
CSX
SANM
SANM
Q1 26
$18.9B
Q4 25
$18.2B
$2.2B
Q3 25
$18.6B
$300.5M
Q2 25
$18.6B
Q1 25
$18.5B
Q4 24
$17.9B
Q3 24
$18.5B
Q2 24
$18.0B
Stockholders' Equity
CSX
CSX
SANM
SANM
Q1 26
$13.6B
Q4 25
$13.2B
$2.7B
Q3 25
$12.8B
$2.5B
Q2 25
$12.4B
$2.5B
Q1 25
$12.2B
$2.4B
Q4 24
$12.5B
$2.4B
Q3 24
$12.9B
$2.4B
Q2 24
$12.6B
$2.3B
Total Assets
CSX
CSX
SANM
SANM
Q1 26
$44.2B
Q4 25
$43.7B
$9.8B
Q3 25
$43.3B
$5.9B
Q2 25
$42.9B
$5.2B
Q1 25
$43.2B
$5.0B
Q4 24
$42.8B
$4.8B
Q3 24
$43.1B
$4.8B
Q2 24
$42.4B
$4.7B
Debt / Equity
CSX
CSX
SANM
SANM
Q1 26
1.39×
Q4 25
1.38×
0.82×
Q3 25
1.45×
0.12×
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
CSX
CSX
SANM
SANM
Operating Cash FlowLast quarter
$1.3B
$178.7M
Free Cash FlowOCF − Capex
$793.0M
$91.9M
FCF MarginFCF / Revenue
22.8%
2.9%
Capex IntensityCapex / Revenue
2.7%
Cash ConversionOCF / Net Profit
1.58×
3.63×
TTM Free Cash FlowTrailing 4 quarters
$2.0B
$518.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSX
CSX
SANM
SANM
Q1 26
$1.3B
Q4 25
$1.4B
$178.7M
Q3 25
$1.3B
$199.1M
Q2 25
$635.0M
$200.8M
Q1 25
$1.3B
$156.9M
Q4 24
$1.4B
$63.9M
Q3 24
$1.7B
$51.9M
Q2 24
$1.1B
$90.0M
Free Cash Flow
CSX
CSX
SANM
SANM
Q1 26
$793.0M
Q4 25
$709.0M
$91.9M
Q3 25
$607.0M
$136.6M
Q2 25
$-141.0M
$163.7M
Q1 25
$536.0M
$126.1M
Q4 24
$550.0M
$46.9M
Q3 24
$1.1B
$27.2M
Q2 24
$547.0M
$67.2M
FCF Margin
CSX
CSX
SANM
SANM
Q1 26
22.8%
Q4 25
20.2%
2.9%
Q3 25
16.9%
6.5%
Q2 25
-3.9%
8.0%
Q1 25
15.7%
6.4%
Q4 24
15.5%
2.3%
Q3 24
29.3%
1.4%
Q2 24
14.8%
3.7%
Capex Intensity
CSX
CSX
SANM
SANM
Q1 26
Q4 25
19.3%
2.7%
Q3 25
20.4%
3.0%
Q2 25
21.7%
1.8%
Q1 25
21.0%
1.5%
Q4 24
23.7%
0.9%
Q3 24
17.3%
1.2%
Q2 24
14.6%
1.2%
Cash Conversion
CSX
CSX
SANM
SANM
Q1 26
1.58×
Q4 25
1.93×
3.63×
Q3 25
1.93×
4.14×
Q2 25
0.77×
2.93×
Q1 25
1.94×
2.44×
Q4 24
1.93×
0.98×
Q3 24
1.89×
0.85×
Q2 24
1.13×
1.74×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSX
CSX

Segment breakdown not available.

SANM
SANM

Industrial And Energy Medical Defense And Aerospace And Automotive And Transportation$1.2B38%
ZT Systems$1.1B34%
Other Segments CPS$434.3M14%
CPS Third Party Revenue$412.7M13%
Change In Accounting Method Accounted For As Change In Estimate$2.7M0%

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