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

Pool Corporation is the larger business by last-quarter revenue ($1.1B vs $1.1B, roughly 1.0× ILLUMINA, INC.). ILLUMINA, INC. runs the higher net margin — 12.3% vs 4.7%, a 7.6% gap on every dollar of revenue. On growth, Pool Corporation posted the faster year-over-year revenue change (6.2% vs 4.8%). Over the past eight quarters, ILLUMINA, INC.'s revenue compounded faster (-1.3% CAGR vs -19.8%).

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.

Pool Corporation, doing business as POOLCORP, is the largest distributor of supplies, equipment, and machinery for swimming pools worldwide. The company is organized in Delaware and headquartered in Covington, Louisiana. It serves approximately 125,000 customers and operates 439 sales centers in North America, Europe and Australia. The company receives over half of its revenue from the California, Texas, Florida, and Arizona markets and has benefited from population shifts to warmer climates....

ILMN vs POOL — Head-to-Head

Bigger by revenue
POOL
POOL
1.0× larger
POOL
$1.1B
$1.1B
ILMN
Growing faster (revenue YoY)
POOL
POOL
+1.4% gap
POOL
6.2%
4.8%
ILMN
Higher net margin
ILMN
ILMN
7.6% more per $
ILMN
12.3%
4.7%
POOL
Faster 2-yr revenue CAGR
ILMN
ILMN
Annualised
ILMN
-1.3%
-19.8%
POOL

Income Statement — Q1 FY2027 vs Q1 FY2026

Metric
ILMN
ILMN
POOL
POOL
Revenue
$1.1B
$1.1B
Net Profit
$134.0M
$53.2M
Gross Margin
66.1%
29.0%
Operating Margin
19.2%
7.3%
Net Margin
12.3%
4.7%
Revenue YoY
4.8%
6.2%
Net Profit YoY
-0.6%
EPS (diluted)
$0.87
$1.45

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
POOL
POOL
Q1 26
$1.1B
$1.1B
Q4 25
$1.2B
$982.2M
Q3 25
$1.5B
Q2 25
$1.8B
Q1 25
$1.1B
Q4 24
$1.1B
$987.5M
Q3 24
$1.1B
$1.4B
Q2 24
$1.1B
$1.8B
Net Profit
ILMN
ILMN
POOL
POOL
Q1 26
$134.0M
$53.2M
Q4 25
$334.0M
$31.6M
Q3 25
$127.0M
Q2 25
$194.3M
Q1 25
$53.5M
Q4 24
$186.0M
$37.3M
Q3 24
$705.0M
$125.7M
Q2 24
$-2.0B
$192.4M
Gross Margin
ILMN
ILMN
POOL
POOL
Q1 26
66.1%
29.0%
Q4 25
65.5%
30.1%
Q3 25
29.6%
Q2 25
30.0%
Q1 25
29.2%
Q4 24
65.9%
29.4%
Q3 24
69.0%
29.1%
Q2 24
64.8%
30.0%
Operating Margin
ILMN
ILMN
POOL
POOL
Q1 26
19.2%
7.3%
Q4 25
17.4%
5.3%
Q3 25
12.3%
Q2 25
15.3%
Q1 25
7.2%
Q4 24
15.8%
6.1%
Q3 24
68.6%
12.3%
Q2 24
-147.2%
15.3%
Net Margin
ILMN
ILMN
POOL
POOL
Q1 26
12.3%
4.7%
Q4 25
28.8%
3.2%
Q3 25
8.8%
Q2 25
10.9%
Q1 25
5.0%
Q4 24
16.8%
3.8%
Q3 24
65.3%
8.8%
Q2 24
-178.8%
10.9%
EPS (diluted)
ILMN
ILMN
POOL
POOL
Q1 26
$0.87
$1.45
Q4 25
$2.16
$0.86
Q3 25
$3.40
Q2 25
$5.17
Q1 25
$1.42
Q4 24
$1.16
$1.00
Q3 24
$4.42
$3.27
Q2 24
$-12.48
$4.99

Balance Sheet & Financial Strength

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

Metric
ILMN
ILMN
POOL
POOL
Cash + ST InvestmentsLiquidity on hand
$1.2B
$64.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.7B
Total Assets
$6.6B
$4.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ILMN
ILMN
POOL
POOL
Q1 26
$1.2B
$64.5M
Q4 25
$1.6B
Q3 25
Q2 25
Q1 25
Q4 24
$93.0M
Q3 24
$70.0M
Q2 24
$74.0M
Total Debt
ILMN
ILMN
POOL
POOL
Q1 26
Q4 25
Q3 25
$1.0B
Q2 25
$1.2B
Q1 25
$968.0M
Q4 24
Q3 24
$879.1M
Q2 24
$1.1B
Stockholders' Equity
ILMN
ILMN
POOL
POOL
Q1 26
$2.7B
Q4 25
$2.7B
$1.2B
Q3 25
$1.4B
Q2 25
$1.3B
Q1 25
$1.2B
Q4 24
$2.4B
$1.3B
Q3 24
$2.1B
$1.4B
Q2 24
$1.4B
$1.4B
Total Assets
ILMN
ILMN
POOL
POOL
Q1 26
$6.6B
$4.0B
Q4 25
$6.6B
$3.6B
Q3 25
$3.5B
Q2 25
$3.7B
Q1 25
$3.7B
Q4 24
$6.3B
$3.4B
Q3 24
$6.0B
$3.4B
Q2 24
$6.1B
$3.6B
Debt / Equity
ILMN
ILMN
POOL
POOL
Q1 26
Q4 25
Q3 25
0.76×
Q2 25
0.93×
Q1 25
0.78×
Q4 24
Q3 24
0.61×
Q2 24
0.75×

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
POOL
POOL
Operating Cash FlowLast quarter
$289.0M
$25.7M
Free Cash FlowOCF − Capex
$251.0M
FCF MarginFCF / Revenue
23.0%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
2.16×
0.48×
TTM Free Cash FlowTrailing 4 quarters
$1.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ILMN
ILMN
POOL
POOL
Q1 26
$289.0M
$25.7M
Q4 25
$321.0M
$80.1M
Q3 25
$287.3M
Q2 25
$-28.8M
Q1 25
$27.2M
Q4 24
$364.0M
$170.6M
Q3 24
$316.0M
$316.5M
Q2 24
$80.0M
$26.7M
Free Cash Flow
ILMN
ILMN
POOL
POOL
Q1 26
$251.0M
Q4 25
$267.0M
$71.9M
Q3 25
$266.6M
Q2 25
$-42.9M
Q1 25
$13.9M
Q4 24
$335.0M
$157.0M
Q3 24
$284.0M
$305.5M
Q2 24
$49.0M
$8.8M
FCF Margin
ILMN
ILMN
POOL
POOL
Q1 26
23.0%
Q4 25
23.0%
7.3%
Q3 25
18.4%
Q2 25
-2.4%
Q1 25
1.3%
Q4 24
30.3%
15.9%
Q3 24
26.3%
21.3%
Q2 24
4.4%
0.5%
Capex Intensity
ILMN
ILMN
POOL
POOL
Q1 26
Q4 25
0.8%
Q3 25
1.4%
Q2 25
0.8%
Q1 25
1.2%
Q4 24
2.6%
1.4%
Q3 24
3.0%
0.8%
Q2 24
2.8%
1.0%
Cash Conversion
ILMN
ILMN
POOL
POOL
Q1 26
2.16×
0.48×
Q4 25
0.96×
2.54×
Q3 25
2.26×
Q2 25
-0.15×
Q1 25
0.51×
Q4 24
1.96×
4.57×
Q3 24
0.45×
2.52×
Q2 24
0.14×

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%

POOL
POOL

Segment breakdown not available.

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