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Side-by-side financial comparison of Steel Dynamics (STLD) and Western Digital (WDC). Click either name above to swap in a different company.

Steel Dynamics is the larger business by last-quarter revenue ($5.2B vs $3.3B, roughly 1.6× Western Digital). Western Digital runs the higher net margin — 96.0% vs 7.7%, a 88.4% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs 17.9%). Over the past eight quarters, Steel Dynamics's revenue compounded faster (6.0% CAGR vs -9.7%).

Steel Dynamics, Inc. (SDI) is an American steel producer based in Fort Wayne, Indiana. With a production capacity of 13 million tons of steel, the company is the third largest producer of carbon steel products in the United States. It is among the most profitable American steel companies in terms of profit margins and operating margin per ton. Based on its 2021 revenue, the company ranked 196th on the 2022 edition of the Fortune 500.

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).

STLD vs WDC — Head-to-Head

Bigger by revenue
STLD
STLD
1.6× larger
STLD
$5.2B
$3.3B
WDC
Growing faster (revenue YoY)
WDC
WDC
+27.6% gap
WDC
45.5%
17.9%
STLD
Higher net margin
WDC
WDC
88.4% more per $
WDC
96.0%
7.7%
STLD
Faster 2-yr revenue CAGR
STLD
STLD
Annualised
STLD
6.0%
-9.7%
WDC

Income Statement — Q1 FY2026 vs Q1 FY2027

Metric
STLD
STLD
WDC
WDC
Revenue
$5.2B
$3.3B
Net Profit
$400.1M
$3.2B
Gross Margin
14.7%
50.2%
Operating Margin
10.3%
35.7%
Net Margin
7.7%
96.0%
Revenue YoY
17.9%
45.5%
Net Profit YoY
51.3%
516.3%
EPS (diluted)
$2.78
$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
STLD
STLD
WDC
WDC
Q3 26
$3.3B
Q2 26
$3.0B
Q1 26
$5.2B
$3.0B
Q4 25
$4.4B
$2.8B
Q3 25
$4.8B
Q2 25
$4.6B
$-1.2B
Q1 25
$4.4B
$2.3B
Q4 24
$3.9B
$4.3B
Net Profit
STLD
STLD
WDC
WDC
Q3 26
$3.2B
Q2 26
$1.8B
Q1 26
$400.1M
$1.8B
Q4 25
$266.0M
$1.2B
Q3 25
$403.7M
Q2 25
$298.7M
$282.0M
Q1 25
$217.2M
$520.0M
Q4 24
$207.3M
$594.0M
Gross Margin
STLD
STLD
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
14.7%
45.7%
Q4 25
12.0%
43.5%
Q3 25
15.7%
Q2 25
13.5%
Q1 25
11.1%
39.8%
Q4 24
11.4%
35.4%
Operating Margin
STLD
STLD
WDC
WDC
Q3 26
35.7%
Q2 26
30.1%
Q1 26
10.3%
30.1%
Q4 25
7.0%
28.1%
Q3 25
10.5%
Q2 25
8.4%
Q1 25
6.3%
33.1%
Q4 24
6.1%
19.9%
Net Margin
STLD
STLD
WDC
WDC
Q3 26
96.0%
Q2 26
61.1%
Q1 26
7.7%
61.1%
Q4 25
6.0%
41.9%
Q3 25
8.4%
Q2 25
6.5%
-24.4%
Q1 25
5.0%
22.7%
Q4 24
5.4%
13.9%
EPS (diluted)
STLD
STLD
WDC
WDC
Q3 26
$8.20
Q2 26
$4.73
Q1 26
$2.78
$4.73
Q4 25
$1.80
$3.07
Q3 25
$2.74
Q2 25
$2.01
$0.72
Q1 25
$1.44
$1.42
Q4 24
$1.40
$1.63

Balance Sheet & Financial Strength

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

Metric
STLD
STLD
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$556.5M
$2.0B
Total DebtLower is stronger
$4.2B
$1.6B
Stockholders' EquityBook value
$9.0B
$9.7B
Total Assets
$16.7B
$15.0B
Debt / EquityLower = less leverage
0.47×
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
STLD
STLD
WDC
WDC
Q3 26
$2.0B
Q2 26
$2.0B
Q1 26
$556.5M
$2.0B
Q4 25
$769.9M
$2.0B
Q3 25
$770.4M
Q2 25
$497.6M
$2.1B
Q1 25
$1.2B
$3.5B
Q4 24
$737.3M
$2.3B
Total Debt
STLD
STLD
WDC
WDC
Q3 26
$1.6B
Q2 26
$4.7B
Q1 26
$4.2B
$4.7B
Q4 25
$4.2B
$4.7B
Q3 25
$3.8B
Q2 25
$3.8B
$4.7B
Q1 25
$4.2B
$7.3B
Q4 24
$3.2B
$7.4B
Stockholders' Equity
STLD
STLD
WDC
WDC
Q3 26
$9.7B
Q2 26
$7.1B
Q1 26
$9.0B
$7.1B
Q4 25
$9.0B
$5.9B
Q3 25
$9.0B
Q2 25
$8.9B
$5.3B
Q1 25
$8.8B
$5.2B
Q4 24
$8.9B
$12.1B
Total Assets
STLD
STLD
WDC
WDC
Q3 26
$15.0B
Q2 26
$15.6B
Q1 26
$16.7B
$15.6B
Q4 25
$16.4B
$14.4B
Q3 25
$16.0B
Q2 25
$15.5B
$14.0B
Q1 25
$15.9B
$16.4B
Q4 24
$14.9B
$25.5B
Debt / Equity
STLD
STLD
WDC
WDC
Q3 26
0.16×
Q2 26
0.65×
Q1 26
0.47×
0.65×
Q4 25
0.47×
0.80×
Q3 25
0.42×
Q2 25
0.43×
0.89×
Q1 25
0.48×
1.42×
Q4 24
0.36×
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
STLD
STLD
WDC
WDC
Operating Cash FlowLast quarter
$148.3M
$1.1B
Free Cash FlowOCF − Capex
$978.0M
FCF MarginFCF / Revenue
29.3%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.37×
0.35×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
STLD
STLD
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
$148.3M
Q4 25
$272.7M
$672.0M
Q3 25
$722.6M
Q2 25
$301.6M
$746.0M
Q1 25
$152.6M
$508.0M
Q4 24
$346.9M
$403.0M
Free Cash Flow
STLD
STLD
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
Q4 25
$84.2M
$599.0M
Q3 25
$556.9M
Q2 25
$13.3M
$675.0M
Q1 25
$-152.9M
$379.0M
Q4 24
$-106.3M
$287.0M
FCF Margin
STLD
STLD
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
Q4 25
1.9%
21.3%
Q3 25
11.5%
Q2 25
0.3%
-58.5%
Q1 25
-3.5%
16.5%
Q4 24
-2.7%
6.7%
Capex Intensity
STLD
STLD
WDC
WDC
Q3 26
Q2 26
Q1 26
Q4 25
4.3%
2.6%
Q3 25
3.4%
Q2 25
6.3%
-6.2%
Q1 25
7.0%
5.6%
Q4 24
11.7%
2.7%
Cash Conversion
STLD
STLD
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
0.37×
Q4 25
1.03×
0.57×
Q3 25
1.79×
Q2 25
1.01×
2.65×
Q1 25
0.70×
0.98×
Q4 24
1.67×
0.68×

Financial Flow Comparison

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

Revenue Breakdown by Segment

STLD
STLD

Steel$3.5B68%
Metals Recycling$593.2M11%
Other$490.1M9%
Steel Fabrication$355.4M7%
Aluminum$227.4M4%

WDC
WDC

Segment breakdown not available.

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