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

IQVIA is the larger business by last-quarter revenue ($4.4B vs $3.5B, roughly 1.3× CSX Corporation). CSX Corporation runs the higher net margin — 23.2% vs 11.8%, a 11.4% gap on every dollar of revenue. On growth, IQVIA posted the faster year-over-year revenue change (10.3% vs 1.7%). CSX Corporation produced more free cash flow last quarter ($793.0M vs $561.0M). Over the past eight quarters, IQVIA's revenue compounded faster (8.1% 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.

IQVIA Holdings, Inc., headquartered in Durham, North Carolina, is an American company focused on health information technology and clinical research.

CSX vs IQV — Head-to-Head

Bigger by revenue
IQV
IQV
1.3× larger
IQV
$4.4B
$3.5B
CSX
Growing faster (revenue YoY)
IQV
IQV
+8.5% gap
IQV
10.3%
1.7%
CSX
Higher net margin
CSX
CSX
11.4% more per $
CSX
23.2%
11.8%
IQV
More free cash flow
CSX
CSX
$232.0M more FCF
CSX
$793.0M
$561.0M
IQV
Faster 2-yr revenue CAGR
IQV
IQV
Annualised
IQV
8.1%
-3.0%
CSX

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CSX
CSX
IQV
IQV
Revenue
$3.5B
$4.4B
Net Profit
$807.0M
$514.0M
Gross Margin
Operating Margin
29.9%
14.4%
Net Margin
23.2%
11.8%
Revenue YoY
1.7%
10.3%
Net Profit YoY
401.2%
17.6%
EPS (diluted)
$2.97

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
IQV
IQV
Q1 26
$3.5B
Q4 25
$3.5B
$4.4B
Q3 25
$3.6B
$4.1B
Q2 25
$3.6B
$4.0B
Q1 25
$3.4B
$3.8B
Q4 24
$3.5B
$4.0B
Q3 24
$3.6B
$3.9B
Q2 24
$3.7B
$3.8B
Net Profit
CSX
CSX
IQV
IQV
Q1 26
$807.0M
Q4 25
$720.0M
$514.0M
Q3 25
$694.0M
$331.0M
Q2 25
$829.0M
$266.0M
Q1 25
$646.0M
$249.0M
Q4 24
$720.0M
$437.0M
Q3 24
$894.0M
$285.0M
Q2 24
$963.0M
$363.0M
Gross Margin
CSX
CSX
IQV
IQV
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
23.5%
Q2 24
22.6%
Operating Margin
CSX
CSX
IQV
IQV
Q1 26
29.9%
Q4 25
31.6%
14.4%
Q3 25
30.3%
13.5%
Q2 25
35.9%
12.6%
Q1 25
30.4%
13.0%
Q4 24
30.8%
15.8%
Q3 24
37.4%
14.1%
Q2 24
39.1%
13.6%
Net Margin
CSX
CSX
IQV
IQV
Q1 26
23.2%
Q4 25
20.5%
11.8%
Q3 25
19.3%
8.1%
Q2 25
23.2%
6.6%
Q1 25
18.9%
6.5%
Q4 24
20.3%
11.0%
Q3 24
24.7%
7.3%
Q2 24
26.0%
9.5%
EPS (diluted)
CSX
CSX
IQV
IQV
Q1 26
Q4 25
$0.39
$2.97
Q3 25
$0.37
$1.93
Q2 25
$0.44
$1.54
Q1 25
$0.34
$1.40
Q4 24
$0.38
$2.41
Q3 24
$0.46
$1.55
Q2 24
$0.49
$1.97

Balance Sheet & Financial Strength

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

Metric
CSX
CSX
IQV
IQV
Cash + ST InvestmentsLiquidity on hand
$1.1B
$2.1B
Total DebtLower is stronger
$18.9B
Stockholders' EquityBook value
$13.6B
$6.5B
Total Assets
$44.2B
$29.9B
Debt / EquityLower = less leverage
1.39×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSX
CSX
IQV
IQV
Q1 26
$1.1B
Q4 25
$5.0M
$2.1B
Q3 25
$6.0M
$2.0B
Q2 25
$6.0M
$2.2B
Q1 25
$8.0M
$1.9B
Q4 24
$72.0M
$1.8B
Q3 24
$12.0M
$1.7B
Q2 24
$4.0M
$1.7B
Total Debt
CSX
CSX
IQV
IQV
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
CSX
CSX
IQV
IQV
Q1 26
$13.6B
Q4 25
$13.2B
$6.5B
Q3 25
$12.8B
$6.2B
Q2 25
$12.4B
$5.8B
Q1 25
$12.2B
$6.0B
Q4 24
$12.5B
$6.1B
Q3 24
$12.9B
$7.0B
Q2 24
$12.6B
$6.7B
Total Assets
CSX
CSX
IQV
IQV
Q1 26
$44.2B
Q4 25
$43.7B
$29.9B
Q3 25
$43.3B
$28.7B
Q2 25
$42.9B
$28.6B
Q1 25
$43.2B
$27.3B
Q4 24
$42.8B
$26.9B
Q3 24
$43.1B
$27.2B
Q2 24
$42.4B
$26.4B
Debt / Equity
CSX
CSX
IQV
IQV
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
CSX
CSX
IQV
IQV
Operating Cash FlowLast quarter
$1.3B
$735.0M
Free Cash FlowOCF − Capex
$793.0M
$561.0M
FCF MarginFCF / Revenue
22.8%
12.9%
Capex IntensityCapex / Revenue
4.0%
Cash ConversionOCF / Net Profit
1.58×
1.43×
TTM Free Cash FlowTrailing 4 quarters
$2.0B
$2.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSX
CSX
IQV
IQV
Q1 26
$1.3B
Q4 25
$1.4B
$735.0M
Q3 25
$1.3B
$908.0M
Q2 25
$635.0M
$443.0M
Q1 25
$1.3B
$568.0M
Q4 24
$1.4B
$885.0M
Q3 24
$1.7B
$721.0M
Q2 24
$1.1B
$588.0M
Free Cash Flow
CSX
CSX
IQV
IQV
Q1 26
$793.0M
Q4 25
$709.0M
$561.0M
Q3 25
$607.0M
$772.0M
Q2 25
$-141.0M
$292.0M
Q1 25
$536.0M
$426.0M
Q4 24
$550.0M
$721.0M
Q3 24
$1.1B
$571.0M
Q2 24
$547.0M
$445.0M
FCF Margin
CSX
CSX
IQV
IQV
Q1 26
22.8%
Q4 25
20.2%
12.9%
Q3 25
16.9%
18.8%
Q2 25
-3.9%
7.3%
Q1 25
15.7%
11.1%
Q4 24
15.5%
18.2%
Q3 24
29.3%
14.7%
Q2 24
14.8%
11.7%
Capex Intensity
CSX
CSX
IQV
IQV
Q1 26
Q4 25
19.3%
4.0%
Q3 25
20.4%
3.3%
Q2 25
21.7%
3.8%
Q1 25
21.0%
3.7%
Q4 24
23.7%
4.1%
Q3 24
17.3%
3.9%
Q2 24
14.6%
3.7%
Cash Conversion
CSX
CSX
IQV
IQV
Q1 26
1.58×
Q4 25
1.93×
1.43×
Q3 25
1.93×
2.74×
Q2 25
0.77×
1.67×
Q1 25
1.94×
2.28×
Q4 24
1.93×
2.03×
Q3 24
1.89×
2.53×
Q2 24
1.13×
1.62×

Financial Flow Comparison

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

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