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Side-by-side financial comparison of Union Pacific Corporation (UNP) and Western Digital (WDC). Click either name above to swap in a different company.

Union Pacific Corporation is the larger business by last-quarter revenue ($6.2B vs $3.3B, roughly 1.9× Western Digital). Western Digital runs the higher net margin — 96.0% vs 27.4%, a 68.7% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs 3.2%). Western Digital produced more free cash flow last quarter ($978.0M vs $631.0M). Over the past eight quarters, Union Pacific Corporation's revenue compounded faster (1.7% CAGR vs -9.7%).

The Union Pacific Railroad Company is a Class I freight-hauling railroad that operates 8,300 locomotives over 32,200 miles (51,800 km) routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second-largest railroad in the United States after BNSF.

Western Digital Corporation, doing business as WD, is an American data storage company headquartered in San Jose, California. Established in 1970, the company is one of the world's largest manufacturers of hard disk drives (HDDs).

UNP vs WDC — Head-to-Head

Bigger by revenue
UNP
UNP
1.9× larger
UNP
$6.2B
$3.3B
WDC
Growing faster (revenue YoY)
WDC
WDC
+42.3% gap
WDC
45.5%
3.2%
UNP
Higher net margin
WDC
WDC
68.7% more per $
WDC
96.0%
27.4%
UNP
More free cash flow
WDC
WDC
$347.0M more FCF
WDC
$978.0M
$631.0M
UNP
Faster 2-yr revenue CAGR
UNP
UNP
Annualised
UNP
1.7%
-9.7%
WDC

Income Statement — Q1 FY2026 vs Q1 FY2027

Metric
UNP
UNP
WDC
WDC
Revenue
$6.2B
$3.3B
Net Profit
$1.7B
$3.2B
Gross Margin
50.2%
Operating Margin
39.5%
35.7%
Net Margin
27.4%
96.0%
Revenue YoY
3.2%
45.5%
Net Profit YoY
-2.1%
516.3%
EPS (diluted)
$2.87
$8.20

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
UNP
UNP
WDC
WDC
Q3 26
$3.3B
Q2 26
$3.0B
Q1 26
$6.2B
$3.0B
Q4 25
$6.1B
$2.8B
Q3 25
$6.2B
Q2 25
$6.2B
$-1.2B
Q1 25
$6.0B
$2.3B
Q4 24
$6.1B
$4.3B
Net Profit
UNP
UNP
WDC
WDC
Q3 26
$3.2B
Q2 26
$1.8B
Q1 26
$1.7B
$1.8B
Q4 25
$1.8B
$1.2B
Q3 25
$1.8B
Q2 25
$1.9B
$282.0M
Q1 25
$1.6B
$520.0M
Q4 24
$1.8B
$594.0M
Gross Margin
UNP
UNP
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
45.7%
Q4 25
43.5%
Q3 25
Q2 25
Q1 25
39.8%
Q4 24
35.4%
Operating Margin
UNP
UNP
WDC
WDC
Q3 26
35.7%
Q2 26
30.1%
Q1 26
39.5%
30.1%
Q4 25
39.5%
28.1%
Q3 25
40.8%
Q2 25
41.0%
Q1 25
39.3%
33.1%
Q4 24
41.3%
19.9%
Net Margin
UNP
UNP
WDC
WDC
Q3 26
96.0%
Q2 26
61.1%
Q1 26
27.4%
61.1%
Q4 25
30.4%
41.9%
Q3 25
28.6%
Q2 25
30.5%
-24.4%
Q1 25
27.0%
22.7%
Q4 24
28.8%
13.9%
EPS (diluted)
UNP
UNP
WDC
WDC
Q3 26
$8.20
Q2 26
$4.73
Q1 26
$2.87
$4.73
Q4 25
$3.12
$3.07
Q3 25
$3.01
Q2 25
$3.15
$0.72
Q1 25
$2.70
$1.42
Q4 24
$2.91
$1.63

Balance Sheet & Financial Strength

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

Metric
UNP
UNP
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$735.0M
$2.0B
Total DebtLower is stronger
$1.6B
Stockholders' EquityBook value
$9.7B
Total Assets
$69.6B
$15.0B
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
UNP
UNP
WDC
WDC
Q3 26
$2.0B
Q2 26
$2.0B
Q1 26
$735.0M
$2.0B
Q4 25
$1.3B
$2.0B
Q3 25
$808.0M
Q2 25
$1.1B
$2.1B
Q1 25
$1.4B
$3.5B
Q4 24
$1.0B
$2.3B
Total Debt
UNP
UNP
WDC
WDC
Q3 26
$1.6B
Q2 26
$4.7B
Q1 26
$4.7B
Q4 25
$30.3B
$4.7B
Q3 25
$30.3B
Q2 25
$30.3B
$4.7B
Q1 25
$30.6B
$7.3B
Q4 24
$29.8B
$7.4B
Stockholders' Equity
UNP
UNP
WDC
WDC
Q3 26
$9.7B
Q2 26
$7.1B
Q1 26
$7.1B
Q4 25
$18.5B
$5.9B
Q3 25
$17.3B
Q2 25
$16.3B
$5.3B
Q1 25
$16.0B
$5.2B
Q4 24
$16.9B
$12.1B
Total Assets
UNP
UNP
WDC
WDC
Q3 26
$15.0B
Q2 26
$15.6B
Q1 26
$69.6B
$15.6B
Q4 25
$69.7B
$14.4B
Q3 25
$68.6B
Q2 25
$68.6B
$14.0B
Q1 25
$68.5B
$16.4B
Q4 24
$67.7B
$25.5B
Debt / Equity
UNP
UNP
WDC
WDC
Q3 26
0.16×
Q2 26
0.65×
Q1 26
0.65×
Q4 25
1.64×
0.80×
Q3 25
1.75×
Q2 25
1.86×
0.89×
Q1 25
1.91×
1.42×
Q4 24
1.76×
0.61×

Cash Flow & Capital Efficiency

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

Metric
UNP
UNP
WDC
WDC
Operating Cash FlowLast quarter
$1.1B
Free Cash FlowOCF − Capex
$631.0M
$978.0M
FCF MarginFCF / Revenue
10.1%
29.3%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.35×
TTM Free Cash FlowTrailing 4 quarters
$4.8B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
UNP
UNP
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
Q4 25
$2.2B
$672.0M
Q3 25
$2.5B
Q2 25
$2.3B
$746.0M
Q1 25
$2.2B
$508.0M
Q4 24
$2.7B
$403.0M
Free Cash Flow
UNP
UNP
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
$631.0M
Q4 25
$1.2B
$599.0M
Q3 25
$1.6B
Q2 25
$1.4B
$675.0M
Q1 25
$1.3B
$379.0M
Q4 24
$1.7B
$287.0M
FCF Margin
UNP
UNP
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
10.1%
Q4 25
20.1%
21.3%
Q3 25
25.2%
Q2 25
22.7%
-58.5%
Q1 25
21.6%
16.5%
Q4 24
28.4%
6.7%
Capex Intensity
UNP
UNP
WDC
WDC
Q3 26
Q2 26
Q1 26
Q4 25
16.4%
2.6%
Q3 25
15.2%
Q2 25
15.2%
-6.2%
Q1 25
15.0%
5.6%
Q4 24
15.1%
2.7%
Cash Conversion
UNP
UNP
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
Q4 25
1.20×
0.57×
Q3 25
1.41×
Q2 25
1.24×
2.65×
Q1 25
1.36×
0.98×
Q4 24
1.51×
0.68×

Financial Flow Comparison

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

Revenue Breakdown by Segment

UNP
UNP

Freight revenues$5.9B95%
Other revenues$324.0M5%

WDC
WDC

Segment breakdown not available.

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