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Side-by-side financial comparison of Vulcan Materials Company (VMC) and Western Digital (WDC). Click either name above to swap in a different company.

Western Digital is the larger business by last-quarter revenue ($3.3B vs $1.8B, roughly 1.9× Vulcan Materials Company). Western Digital runs the higher net margin — 96.0% vs 9.4%, a 86.6% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs 7.4%). Over the past eight quarters, Vulcan Materials Company's revenue compounded faster (-6.6% CAGR vs -9.7%).

Vulcan Materials Company is an American company based in Birmingham, Alabama. It is principally engaged in the production, distribution and sale of construction materials. Vulcan is the largest producer of construction materials, primarily gravel, crushed stone, and sand, and employs approximately 12,000 people at over 400 facilities. Vulcan serves 22 states, the District of Columbia, Mexico, Canada, Bahamas and the U.S. Virgin Islands.

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).

VMC vs WDC — Head-to-Head

Bigger by revenue
WDC
WDC
1.9× larger
WDC
$3.3B
$1.8B
VMC
Growing faster (revenue YoY)
WDC
WDC
+38.1% gap
WDC
45.5%
7.4%
VMC
Higher net margin
WDC
WDC
86.6% more per $
WDC
96.0%
9.4%
VMC
Faster 2-yr revenue CAGR
VMC
VMC
Annualised
VMC
-6.6%
-9.7%
WDC

Income Statement — Q1 FY2026 vs Q1 FY2027

Metric
VMC
VMC
WDC
WDC
Revenue
$1.8B
$3.3B
Net Profit
$165.0M
$3.2B
Gross Margin
24.1%
50.2%
Operating Margin
15.1%
35.7%
Net Margin
9.4%
96.0%
Revenue YoY
7.4%
45.5%
Net Profit YoY
27.9%
516.3%
EPS (diluted)
$1.35
$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
VMC
VMC
WDC
WDC
Q3 26
$3.3B
Q2 26
$3.0B
Q1 26
$1.8B
$3.0B
Q4 25
$1.9B
$2.8B
Q3 25
$2.3B
Q2 25
$2.1B
$-1.2B
Q1 25
$1.6B
$2.3B
Q4 24
$1.9B
$4.3B
Net Profit
VMC
VMC
WDC
WDC
Q3 26
$3.2B
Q2 26
$1.8B
Q1 26
$165.0M
$1.8B
Q4 25
$252.0M
$1.2B
Q3 25
$374.9M
Q2 25
$320.9M
$282.0M
Q1 25
$128.9M
$520.0M
Q4 24
$293.6M
$594.0M
Gross Margin
VMC
VMC
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
24.1%
45.7%
Q4 25
25.5%
43.5%
Q3 25
30.4%
Q2 25
29.7%
Q1 25
22.3%
39.8%
Q4 24
29.0%
35.4%
Operating Margin
VMC
VMC
WDC
WDC
Q3 26
35.7%
Q2 26
30.1%
Q1 26
15.1%
30.1%
Q4 25
19.8%
28.1%
Q3 25
23.7%
Q2 25
22.4%
Q1 25
13.9%
33.1%
Q4 24
21.6%
19.9%
Net Margin
VMC
VMC
WDC
WDC
Q3 26
96.0%
Q2 26
61.1%
Q1 26
9.4%
61.1%
Q4 25
13.2%
41.9%
Q3 25
16.4%
Q2 25
15.3%
-24.4%
Q1 25
7.9%
22.7%
Q4 24
15.8%
13.9%
EPS (diluted)
VMC
VMC
WDC
WDC
Q3 26
$8.20
Q2 26
$4.73
Q1 26
$1.35
$4.73
Q4 25
$1.90
$3.07
Q3 25
$2.82
Q2 25
$2.42
$0.72
Q1 25
$0.97
$1.42
Q4 24
$2.21
$1.63

Balance Sheet & Financial Strength

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

Metric
VMC
VMC
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$140.2M
$2.0B
Total DebtLower is stronger
$4.4B
$1.6B
Stockholders' EquityBook value
$8.5B
$9.7B
Total Assets
$16.7B
$15.0B
Debt / EquityLower = less leverage
0.51×
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
VMC
VMC
WDC
WDC
Q3 26
$2.0B
Q2 26
$2.0B
Q1 26
$140.2M
$2.0B
Q4 25
$183.3M
$2.0B
Q3 25
$191.3M
Q2 25
$347.4M
$2.1B
Q1 25
$181.3M
$3.5B
Q4 24
$559.7M
$2.3B
Total Debt
VMC
VMC
WDC
WDC
Q3 26
$1.6B
Q2 26
$4.7B
Q1 26
$4.4B
$4.7B
Q4 25
$4.4B
$4.7B
Q3 25
$4.4B
Q2 25
$4.4B
$4.7B
Q1 25
$4.9B
$7.3B
Q4 24
$5.3B
$7.4B
Stockholders' Equity
VMC
VMC
WDC
WDC
Q3 26
$9.7B
Q2 26
$7.1B
Q1 26
$8.5B
$7.1B
Q4 25
$8.5B
$5.9B
Q3 25
$8.7B
Q2 25
$8.4B
$5.3B
Q1 25
$8.1B
$5.2B
Q4 24
$8.1B
$12.1B
Total Assets
VMC
VMC
WDC
WDC
Q3 26
$15.0B
Q2 26
$15.6B
Q1 26
$16.7B
$15.6B
Q4 25
$16.7B
$14.4B
Q3 25
$17.0B
Q2 25
$17.0B
$14.0B
Q1 25
$16.7B
$16.4B
Q4 24
$17.1B
$25.5B
Debt / Equity
VMC
VMC
WDC
WDC
Q3 26
0.16×
Q2 26
0.65×
Q1 26
0.51×
0.65×
Q4 25
0.51×
0.80×
Q3 25
0.50×
Q2 25
0.52×
0.89×
Q1 25
0.60×
1.42×
Q4 24
0.65×
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
VMC
VMC
WDC
WDC
Operating Cash FlowLast quarter
$241.1M
$1.1B
Free Cash FlowOCF − Capex
$978.0M
FCF MarginFCF / Revenue
29.3%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.46×
0.35×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
VMC
VMC
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
$241.1M
Q4 25
$543.0M
$672.0M
Q3 25
$676.8M
Q2 25
$341.7M
$746.0M
Q1 25
$251.5M
$508.0M
Q4 24
$440.1M
$403.0M
Free Cash Flow
VMC
VMC
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
Q4 25
$358.2M
$599.0M
Q3 25
$454.8M
Q2 25
$238.8M
$675.0M
Q1 25
$83.5M
$379.0M
Q4 24
$277.6M
$287.0M
FCF Margin
VMC
VMC
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
Q4 25
18.7%
21.3%
Q3 25
19.8%
Q2 25
11.4%
-58.5%
Q1 25
5.1%
16.5%
Q4 24
15.0%
6.7%
Capex Intensity
VMC
VMC
WDC
WDC
Q3 26
Q2 26
Q1 26
Q4 25
9.7%
2.6%
Q3 25
9.7%
Q2 25
4.9%
-6.2%
Q1 25
10.3%
5.6%
Q4 24
8.8%
2.7%
Cash Conversion
VMC
VMC
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
1.46×
Q4 25
2.15×
0.57×
Q3 25
1.81×
Q2 25
1.06×
2.65×
Q1 25
1.95×
0.98×
Q4 24
1.50×
0.68×

Financial Flow Comparison

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

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