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

Owens Corning is the larger business by last-quarter revenue ($2.1B vs $1.1B, roughly 2.0× ILLUMINA, INC.). ILLUMINA, INC. runs the higher net margin — 12.3% vs -13.9%, a 26.2% gap on every dollar of revenue. On growth, ILLUMINA, INC. posted the faster year-over-year revenue change (4.8% vs -24.6%). Owens Corning produced more free cash flow last quarter ($333.0M vs $251.0M). Over the past eight quarters, ILLUMINA, INC.'s revenue compounded faster (-1.3% CAGR vs -3.5%).

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.

Owens Corning is an American company that develops and produces insulation, roofing, and fiberglass composites and related products. It is the world's largest manufacturer of fiberglass composites. It was formed in 1935 as a partnership between two major American glassworks, Corning Glass Works and Owens-Illinois. The company employs approximately 19,000 people around the world. Owens Corning has been a Fortune 500 company every year since the list was created in 1955. The Pink Panther is the...

ILMN vs OC — Head-to-Head

Bigger by revenue
OC
OC
2.0× larger
OC
$2.1B
$1.1B
ILMN
Growing faster (revenue YoY)
ILMN
ILMN
+29.4% gap
ILMN
4.8%
-24.6%
OC
Higher net margin
ILMN
ILMN
26.2% more per $
ILMN
12.3%
-13.9%
OC
More free cash flow
OC
OC
$82.0M more FCF
OC
$333.0M
$251.0M
ILMN
Faster 2-yr revenue CAGR
ILMN
ILMN
Annualised
ILMN
-1.3%
-3.5%
OC

Income Statement — Q1 FY2027 vs Q4 FY2025

Metric
ILMN
ILMN
OC
OC
Revenue
$1.1B
$2.1B
Net Profit
$134.0M
$-298.0M
Gross Margin
66.1%
23.2%
Operating Margin
19.2%
-10.5%
Net Margin
12.3%
-13.9%
Revenue YoY
4.8%
-24.6%
Net Profit YoY
-15.5%
EPS (diluted)
$0.87
$-3.47

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
ILMN
ILMN
OC
OC
Q1 26
$1.1B
Q4 25
$1.2B
$2.1B
Q3 25
$2.7B
Q2 25
$2.7B
Q1 25
$2.5B
Q4 24
$1.1B
$2.8B
Q3 24
$1.1B
$3.0B
Q2 24
$1.1B
$2.8B
Net Profit
ILMN
ILMN
OC
OC
Q1 26
$134.0M
Q4 25
$334.0M
$-298.0M
Q3 25
$-494.0M
Q2 25
$363.0M
Q1 25
$-93.0M
Q4 24
$186.0M
$-258.0M
Q3 24
$705.0M
$321.0M
Q2 24
$-2.0B
$285.0M
Gross Margin
ILMN
ILMN
OC
OC
Q1 26
66.1%
Q4 25
65.5%
23.2%
Q3 25
28.2%
Q2 25
31.2%
Q1 25
28.7%
Q4 24
65.9%
28.1%
Q3 24
69.0%
29.8%
Q2 24
64.8%
31.1%
Operating Margin
ILMN
ILMN
OC
OC
Q1 26
19.2%
Q4 25
17.4%
-10.5%
Q3 25
-12.2%
Q2 25
18.4%
Q1 25
16.1%
Q4 24
15.8%
-8.5%
Q3 24
68.6%
16.7%
Q2 24
-147.2%
16.4%
Net Margin
ILMN
ILMN
OC
OC
Q1 26
12.3%
Q4 25
28.8%
-13.9%
Q3 25
-18.4%
Q2 25
13.2%
Q1 25
-3.7%
Q4 24
16.8%
-9.1%
Q3 24
65.3%
10.5%
Q2 24
-178.8%
10.2%
EPS (diluted)
ILMN
ILMN
OC
OC
Q1 26
$0.87
Q4 25
$2.16
$-3.47
Q3 25
$-5.92
Q2 25
$4.25
Q1 25
$-1.08
Q4 24
$1.16
$-2.92
Q3 24
$4.42
$3.65
Q2 24
$-12.48
$3.24

Balance Sheet & Financial Strength

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

Metric
ILMN
ILMN
OC
OC
Cash + ST InvestmentsLiquidity on hand
$1.2B
$345.0M
Total DebtLower is stronger
$4.7B
Stockholders' EquityBook value
$2.7B
$3.9B
Total Assets
$6.6B
$13.0B
Debt / EquityLower = less leverage
1.22×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ILMN
ILMN
OC
OC
Q1 26
$1.2B
Q4 25
$1.6B
$345.0M
Q3 25
$286.0M
Q2 25
$230.0M
Q1 25
$400.0M
Q4 24
$93.0M
$361.0M
Q3 24
$70.0M
$499.0M
Q2 24
$74.0M
$254.0M
Total Debt
ILMN
ILMN
OC
OC
Q1 26
Q4 25
$4.7B
Q3 25
$4.7B
Q2 25
$5.1B
Q1 25
$5.0B
Q4 24
$5.1B
Q3 24
$5.0B
Q2 24
$5.0B
Stockholders' Equity
ILMN
ILMN
OC
OC
Q1 26
$2.7B
Q4 25
$2.7B
$3.9B
Q3 25
$4.4B
Q2 25
$5.2B
Q1 25
$4.9B
Q4 24
$2.4B
$5.1B
Q3 24
$2.1B
$5.6B
Q2 24
$1.4B
$5.5B
Total Assets
ILMN
ILMN
OC
OC
Q1 26
$6.6B
Q4 25
$6.6B
$13.0B
Q3 25
$13.5B
Q2 25
$14.5B
Q1 25
$14.3B
Q4 24
$6.3B
$14.1B
Q3 24
$6.0B
$15.1B
Q2 24
$6.1B
$15.0B
Debt / Equity
ILMN
ILMN
OC
OC
Q1 26
Q4 25
1.22×
Q3 25
1.06×
Q2 25
0.98×
Q1 25
1.03×
Q4 24
1.01×
Q3 24
0.89×
Q2 24
0.92×

Cash Flow & Capital Efficiency

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

Metric
ILMN
ILMN
OC
OC
Operating Cash FlowLast quarter
$289.0M
$590.0M
Free Cash FlowOCF − Capex
$251.0M
$333.0M
FCF MarginFCF / Revenue
23.0%
15.5%
Capex IntensityCapex / Revenue
12.0%
Cash ConversionOCF / Net Profit
2.16×
TTM Free Cash FlowTrailing 4 quarters
$1.1B
$962.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ILMN
ILMN
OC
OC
Q1 26
$289.0M
Q4 25
$321.0M
$590.0M
Q3 25
$918.0M
Q2 25
$327.0M
Q1 25
$-49.0M
Q4 24
$364.0M
$676.0M
Q3 24
$316.0M
$699.0M
Q2 24
$80.0M
$493.0M
Free Cash Flow
ILMN
ILMN
OC
OC
Q1 26
$251.0M
Q4 25
$267.0M
$333.0M
Q3 25
$752.0M
Q2 25
$129.0M
Q1 25
$-252.0M
Q4 24
$335.0M
$479.0M
Q3 24
$284.0M
$558.0M
Q2 24
$49.0M
$336.0M
FCF Margin
ILMN
ILMN
OC
OC
Q1 26
23.0%
Q4 25
23.0%
15.5%
Q3 25
28.0%
Q2 25
4.7%
Q1 25
-10.0%
Q4 24
30.3%
16.9%
Q3 24
26.3%
18.3%
Q2 24
4.4%
12.0%
Capex Intensity
ILMN
ILMN
OC
OC
Q1 26
Q4 25
12.0%
Q3 25
6.2%
Q2 25
7.2%
Q1 25
8.0%
Q4 24
2.6%
6.9%
Q3 24
3.0%
4.6%
Q2 24
2.8%
5.6%
Cash Conversion
ILMN
ILMN
OC
OC
Q1 26
2.16×
Q4 25
0.96×
Q3 25
Q2 25
0.90×
Q1 25
Q4 24
1.96×
Q3 24
0.45×
2.18×
Q2 24
1.73×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ILMN
ILMN

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

OC
OC

Insulation$724.0M34%
Residential$625.0M29%
Doors$427.0M20%
Discontinued Operations Disposed Of By Sale$299.0M14%
Commercial And Industrial Sector$101.0M5%

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