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

ILLUMINA, INC. is the larger business by last-quarter revenue ($1.2B vs $693.4M, roughly 1.7× ADVANCED DRAINAGE SYSTEMS, INC.). ILLUMINA, INC. runs the higher net margin — 28.8% vs 13.5%, a 15.3% gap on every dollar of revenue. On growth, ILLUMINA, INC. posted the faster year-over-year revenue change (5.0% vs 0.4%). ILLUMINA, INC. produced more free cash flow last quarter ($267.0M vs $183.6M). Over the past eight quarters, ADVANCED DRAINAGE SYSTEMS, INC.'s revenue compounded faster (3.0% CAGR vs -0.7%).

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.

Advanced Drainage Systems, Inc. (ADS) is an American company that designs, manufactures and markets polypropylene and polyethylene pipes, plastic leach field chambers and systems, septic tanks and accessories, storm retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water filters and water separators. It is the largest maker of high-density polyethylene pipe in the United States. It is headquartered in Hilliard, Ohio. In 2020, 93% of the company's s...

ILMN vs WMS — Head-to-Head

Bigger by revenue
ILMN
ILMN
1.7× larger
ILMN
$1.2B
$693.4M
WMS
Growing faster (revenue YoY)
ILMN
ILMN
+4.6% gap
ILMN
5.0%
0.4%
WMS
Higher net margin
ILMN
ILMN
15.3% more per $
ILMN
28.8%
13.5%
WMS
More free cash flow
ILMN
ILMN
$83.4M more FCF
ILMN
$267.0M
$183.6M
WMS
Faster 2-yr revenue CAGR
WMS
WMS
Annualised
WMS
3.0%
-0.7%
ILMN

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
ILMN
ILMN
WMS
WMS
Revenue
$1.2B
$693.4M
Net Profit
$334.0M
$93.6M
Gross Margin
65.5%
37.4%
Operating Margin
17.4%
19.7%
Net Margin
28.8%
13.5%
Revenue YoY
5.0%
0.4%
Net Profit YoY
185.5%
15.3%
EPS (diluted)
$2.16
$1.19

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
WMS
WMS
Q4 25
$1.2B
$693.4M
Q3 25
$850.4M
Q2 25
$829.9M
Q1 25
$615.8M
Q4 24
$1.1B
$690.5M
Q3 24
$1.1B
$782.6M
Q2 24
$1.1B
$815.3M
Q1 24
$1.1B
$653.8M
Net Profit
ILMN
ILMN
WMS
WMS
Q4 25
$334.0M
$93.6M
Q3 25
$156.0M
Q2 25
$143.9M
Q1 25
$77.2M
Q4 24
$186.0M
$81.2M
Q3 24
$705.0M
$130.4M
Q2 24
$-2.0B
$161.4M
Q1 24
$-126.0M
$94.8M
Gross Margin
ILMN
ILMN
WMS
WMS
Q4 25
65.5%
37.4%
Q3 25
40.0%
Q2 25
39.8%
Q1 25
36.7%
Q4 24
65.9%
35.0%
Q3 24
69.0%
37.6%
Q2 24
64.8%
40.8%
Q1 24
62.0%
38.5%
Operating Margin
ILMN
ILMN
WMS
WMS
Q4 25
17.4%
19.7%
Q3 25
26.3%
Q2 25
24.8%
Q1 25
19.0%
Q4 24
15.8%
18.4%
Q3 24
68.6%
23.9%
Q2 24
-147.2%
27.7%
Q1 24
-10.3%
20.7%
Net Margin
ILMN
ILMN
WMS
WMS
Q4 25
28.8%
13.5%
Q3 25
18.3%
Q2 25
17.3%
Q1 25
12.5%
Q4 24
16.8%
11.8%
Q3 24
65.3%
16.7%
Q2 24
-178.8%
19.8%
Q1 24
-11.7%
14.5%
EPS (diluted)
ILMN
ILMN
WMS
WMS
Q4 25
$2.16
$1.19
Q3 25
$1.99
Q2 25
$1.84
Q1 25
$0.99
Q4 24
$1.16
$1.04
Q3 24
$4.42
$1.67
Q2 24
$-12.48
$2.06
Q1 24
$-0.79
$1.22

Balance Sheet & Financial Strength

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

Metric
ILMN
ILMN
WMS
WMS
Cash + ST InvestmentsLiquidity on hand
$1.6B
$1.0B
Total DebtLower is stronger
Stockholders' EquityBook value
$2.7B
$1.9B
Total Assets
$6.6B
$4.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ILMN
ILMN
WMS
WMS
Q4 25
$1.6B
$1.0B
Q3 25
$812.9M
Q2 25
$638.3M
Q1 25
$463.3M
Q4 24
$93.0M
$488.9M
Q3 24
$70.0M
$613.0M
Q2 24
$74.0M
$541.6M
Q1 24
$490.2M
Total Debt
ILMN
ILMN
WMS
WMS
Q4 25
Q3 25
Q2 25
Q1 25
$1.3B
Q4 24
Q3 24
Q2 24
Q1 24
$1.3B
Stockholders' Equity
ILMN
ILMN
WMS
WMS
Q4 25
$2.7B
$1.9B
Q3 25
$1.8B
Q2 25
$1.7B
Q1 25
$1.5B
Q4 24
$2.4B
$1.5B
Q3 24
$2.1B
$1.4B
Q2 24
$1.4B
$1.3B
Q1 24
$5.7B
$1.2B
Total Assets
ILMN
ILMN
WMS
WMS
Q4 25
$6.6B
$4.1B
Q3 25
$4.1B
Q2 25
$3.9B
Q1 25
$3.7B
Q4 24
$6.3B
$3.6B
Q3 24
$6.0B
$3.5B
Q2 24
$6.1B
$3.4B
Q1 24
$10.0B
$3.3B
Debt / Equity
ILMN
ILMN
WMS
WMS
Q4 25
Q3 25
Q2 25
Q1 25
0.83×
Q4 24
Q3 24
Q2 24
Q1 24
1.11×

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
WMS
WMS
Operating Cash FlowLast quarter
$321.0M
$269.3M
Free Cash FlowOCF − Capex
$267.0M
$183.6M
FCF MarginFCF / Revenue
23.0%
26.5%
Capex IntensityCapex / Revenue
12.4%
Cash ConversionOCF / Net Profit
0.96×
2.88×
TTM Free Cash FlowTrailing 4 quarters
$935.0M
$577.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ILMN
ILMN
WMS
WMS
Q4 25
$321.0M
$269.3M
Q3 25
$234.9M
Q2 25
$275.0M
Q1 25
$41.2M
Q4 24
$364.0M
$189.9M
Q3 24
$316.0M
$166.9M
Q2 24
$80.0M
$183.4M
Q1 24
$77.0M
$17.7M
Free Cash Flow
ILMN
ILMN
WMS
WMS
Q4 25
$267.0M
$183.6M
Q3 25
$176.4M
Q2 25
$222.4M
Q1 25
$-5.3M
Q4 24
$335.0M
$135.7M
Q3 24
$284.0M
$112.4M
Q2 24
$49.0M
$125.7M
Q1 24
$41.0M
$-29.8M
FCF Margin
ILMN
ILMN
WMS
WMS
Q4 25
23.0%
26.5%
Q3 25
20.7%
Q2 25
26.8%
Q1 25
-0.9%
Q4 24
30.3%
19.7%
Q3 24
26.3%
14.4%
Q2 24
4.4%
15.4%
Q1 24
3.8%
-4.6%
Capex Intensity
ILMN
ILMN
WMS
WMS
Q4 25
12.4%
Q3 25
6.9%
Q2 25
6.3%
Q1 25
7.6%
Q4 24
2.6%
7.9%
Q3 24
3.0%
7.0%
Q2 24
2.8%
7.1%
Q1 24
3.3%
7.3%
Cash Conversion
ILMN
ILMN
WMS
WMS
Q4 25
0.96×
2.88×
Q3 25
1.51×
Q2 25
1.91×
Q1 25
0.53×
Q4 24
1.96×
2.34×
Q3 24
0.45×
1.28×
Q2 24
1.14×
Q1 24
0.19×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ILMN
ILMN

Product revenue$990.0M85%
Service and other revenue$169.0M15%

WMS
WMS

Reportable Segment Aggregation Before Other Operating Segment$557.3M80%
Other$85.5M12%
Pipe$35.5M5%
Allied Products And Other$15.0M2%

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