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Side-by-side financial comparison of BELDEN INC. (BDC) and ILLUMINA, INC. (ILMN). Click either name above to swap in a different company.

ILLUMINA, INC. is the larger business by last-quarter revenue ($1.1B vs $696.4M, roughly 1.6× BELDEN INC.). ILLUMINA, INC. runs the higher net margin — 12.3% vs 7.3%, a 5.0% gap on every dollar of revenue. On growth, BELDEN INC. posted the faster year-over-year revenue change (11.4% vs 4.8%). ILLUMINA, INC. produced more free cash flow last quarter ($251.0M vs $-63.1M). Over the past eight quarters, BELDEN INC.'s revenue compounded faster (7.3% CAGR vs -1.3%).

Belden Inc. is an American, multinational, publicly traded company specializing in the design, manufacture, and distribution of end-to-end networking, security and connectivity products. The company serves the Industrial Automation Solutions, Smart Buildings and Broadband & 5G markets.

Illumina, Inc. is an American biotechnology company, headquartered in San Diego, California. Incorporated on April 1, 1998, Illumina develops, manufactures, and markets integrated systems for the analysis of genetic variation and biological function. The company provides a line of products and services that serves the sequencing, genotyping and gene expression, and proteomics markets, and serves more than 155 countries.

BDC vs ILMN — Head-to-Head

Bigger by revenue
ILMN
ILMN
1.6× larger
ILMN
$1.1B
$696.4M
BDC
Growing faster (revenue YoY)
BDC
BDC
+6.6% gap
BDC
11.4%
4.8%
ILMN
Higher net margin
ILMN
ILMN
5.0% more per $
ILMN
12.3%
7.3%
BDC
More free cash flow
ILMN
ILMN
$314.1M more FCF
ILMN
$251.0M
$-63.1M
BDC
Faster 2-yr revenue CAGR
BDC
BDC
Annualised
BDC
7.3%
-1.3%
ILMN

Income Statement — Q1 FY2026 vs Q1 FY2027

Metric
BDC
BDC
ILMN
ILMN
Revenue
$696.4M
$1.1B
Net Profit
$51.0M
$134.0M
Gross Margin
37.1%
66.1%
Operating Margin
11.2%
19.2%
Net Margin
7.3%
12.3%
Revenue YoY
11.4%
4.8%
Net Profit YoY
-1.8%
EPS (diluted)
$1.30
$0.87

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
BDC
BDC
ILMN
ILMN
Q1 26
$696.4M
$1.1B
Q4 25
$720.1M
$1.2B
Q3 25
$698.2M
Q2 25
$672.0M
Q1 25
$624.9M
Q4 24
$666.0M
$1.1B
Q3 24
$654.9M
$1.1B
Q2 24
$604.3M
$1.1B
Net Profit
BDC
BDC
ILMN
ILMN
Q1 26
$51.0M
$134.0M
Q4 25
$67.9M
$334.0M
Q3 25
$56.7M
Q2 25
$61.0M
Q1 25
$51.9M
Q4 24
$58.4M
$186.0M
Q3 24
$53.7M
$705.0M
Q2 24
$49.0M
$-2.0B
Gross Margin
BDC
BDC
ILMN
ILMN
Q1 26
37.1%
66.1%
Q4 25
36.6%
65.5%
Q3 25
37.7%
Q2 25
38.5%
Q1 25
39.3%
Q4 24
37.5%
65.9%
Q3 24
37.3%
69.0%
Q2 24
37.5%
64.8%
Operating Margin
BDC
BDC
ILMN
ILMN
Q1 26
11.2%
19.2%
Q4 25
12.2%
17.4%
Q3 25
10.9%
Q2 25
11.8%
Q1 25
11.6%
Q4 24
10.4%
15.8%
Q3 24
11.5%
68.6%
Q2 24
11.4%
-147.2%
Net Margin
BDC
BDC
ILMN
ILMN
Q1 26
7.3%
12.3%
Q4 25
9.4%
28.8%
Q3 25
8.1%
Q2 25
9.1%
Q1 25
8.3%
Q4 24
8.8%
16.8%
Q3 24
8.2%
65.3%
Q2 24
8.1%
-178.8%
EPS (diluted)
BDC
BDC
ILMN
ILMN
Q1 26
$1.30
$0.87
Q4 25
$1.70
$2.16
Q3 25
$1.41
Q2 25
$1.53
Q1 25
$1.27
Q4 24
$1.41
$1.16
Q3 24
$1.30
$4.42
Q2 24
$1.19
$-12.48

Balance Sheet & Financial Strength

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

Metric
BDC
BDC
ILMN
ILMN
Cash + ST InvestmentsLiquidity on hand
$272.2M
$1.2B
Total DebtLower is stronger
$1.3B
Stockholders' EquityBook value
$1.3B
$2.7B
Total Assets
$6.6B
Debt / EquityLower = less leverage
0.98×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BDC
BDC
ILMN
ILMN
Q1 26
$272.2M
$1.2B
Q4 25
$389.9M
$1.6B
Q3 25
$314.3M
Q2 25
$301.5M
Q1 25
$259.0M
Q4 24
$370.3M
$93.0M
Q3 24
$323.0M
$70.0M
Q2 24
$564.8M
$74.0M
Total Debt
BDC
BDC
ILMN
ILMN
Q1 26
$1.3B
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
BDC
BDC
ILMN
ILMN
Q1 26
$1.3B
$2.7B
Q4 25
$1.3B
$2.7B
Q3 25
$1.2B
Q2 25
$1.2B
Q1 25
$1.2B
Q4 24
$1.3B
$2.4B
Q3 24
$1.2B
$2.1B
Q2 24
$1.2B
$1.4B
Total Assets
BDC
BDC
ILMN
ILMN
Q1 26
$6.6B
Q4 25
$3.5B
$6.6B
Q3 25
$3.4B
Q2 25
$3.4B
Q1 25
$3.3B
Q4 24
$3.3B
$6.3B
Q3 24
$3.3B
$6.0B
Q2 24
$3.5B
$6.1B
Debt / Equity
BDC
BDC
ILMN
ILMN
Q1 26
0.98×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
BDC
BDC
ILMN
ILMN
Operating Cash FlowLast quarter
$289.0M
Free Cash FlowOCF − Capex
$-63.1M
$251.0M
FCF MarginFCF / Revenue
-9.1%
23.0%
Capex IntensityCapex / Revenue
6.4%
Cash ConversionOCF / Net Profit
2.16×
TTM Free Cash FlowTrailing 4 quarters
$180.4M
$1.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BDC
BDC
ILMN
ILMN
Q1 26
$289.0M
Q4 25
$160.4M
$321.0M
Q3 25
$105.0M
Q2 25
$82.0M
Q1 25
$7.4M
Q4 24
$174.7M
$364.0M
Q3 24
$91.7M
$316.0M
Q2 24
$83.0M
$80.0M
Free Cash Flow
BDC
BDC
ILMN
ILMN
Q1 26
$-63.1M
$251.0M
Q4 25
$121.3M
$267.0M
Q3 25
$65.3M
Q2 25
$56.9M
Q1 25
$-24.8M
Q4 24
$116.4M
$335.0M
Q3 24
$67.2M
$284.0M
Q2 24
$61.0M
$49.0M
FCF Margin
BDC
BDC
ILMN
ILMN
Q1 26
-9.1%
23.0%
Q4 25
16.8%
23.0%
Q3 25
9.4%
Q2 25
8.5%
Q1 25
-4.0%
Q4 24
17.5%
30.3%
Q3 24
10.3%
26.3%
Q2 24
10.1%
4.4%
Capex Intensity
BDC
BDC
ILMN
ILMN
Q1 26
6.4%
Q4 25
5.4%
Q3 25
5.7%
Q2 25
3.7%
Q1 25
5.2%
Q4 24
8.8%
2.6%
Q3 24
3.7%
3.0%
Q2 24
3.6%
2.8%
Cash Conversion
BDC
BDC
ILMN
ILMN
Q1 26
2.16×
Q4 25
2.36×
0.96×
Q3 25
1.85×
Q2 25
1.34×
Q1 25
0.14×
Q4 24
2.99×
1.96×
Q3 24
1.71×
0.45×
Q2 24
1.69×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BDC
BDC

Segment breakdown not available.

ILMN
ILMN

Product revenue$917.0M84%
Service and other revenue$174.0M16%

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