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

ILLUMINA, INC. is the larger business by last-quarter revenue ($1.1B vs $4.2M, roughly 262.8× Seer, Inc.). ILLUMINA, INC. runs the higher net margin — 16.8% vs -380.7%, a 397.6% gap on every dollar of revenue. On growth, Seer, Inc. posted the faster year-over-year revenue change (5.0% vs -1.6%). ILLUMINA, INC. produced more free cash flow last quarter ($335.0M vs $-11.1M). Over the past eight quarters, Seer, Inc.'s revenue compounded faster (17.1% CAGR vs 0.8%).

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.

Seer, Inc. is an American biotechnology company headquartered in Redwood City, California. Established in 2017, the company develops technologies for proteomics research.

ILMN vs SEER — Head-to-Head

Bigger by revenue
ILMN
ILMN
262.8× larger
ILMN
$1.1B
$4.2M
SEER
Growing faster (revenue YoY)
SEER
SEER
+6.6% gap
SEER
5.0%
-1.6%
ILMN
Higher net margin
ILMN
ILMN
397.6% more per $
ILMN
16.8%
-380.7%
SEER
More free cash flow
ILMN
ILMN
$346.1M more FCF
ILMN
$335.0M
$-11.1M
SEER
Faster 2-yr revenue CAGR
SEER
SEER
Annualised
SEER
17.1%
0.8%
ILMN

Income Statement — Q4 2025 vs Q4 2025

Metric
ILMN
ILMN
SEER
SEER
Revenue
$1.1B
$4.2M
Net Profit
$186.0M
$-16.0M
Gross Margin
65.9%
52.0%
Operating Margin
15.8%
-413.8%
Net Margin
16.8%
-380.7%
Revenue YoY
-1.6%
5.0%
Net Profit YoY
205.7%
26.4%
EPS (diluted)
$1.16

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
SEER
SEER
Q4 25
$4.2M
Q3 25
$4.1M
Q2 25
$4.1M
Q1 25
$4.2M
Q4 24
$1.1B
$4.0M
Q3 24
$1.1B
$4.0M
Q2 24
$1.1B
$3.1M
Q1 24
$1.1B
$3.1M
Net Profit
ILMN
ILMN
SEER
SEER
Q4 25
$-16.0M
Q3 25
$-18.2M
Q2 25
$-19.4M
Q1 25
$-19.9M
Q4 24
$186.0M
$-21.7M
Q3 24
$705.0M
$-21.3M
Q2 24
$-2.0B
$-22.9M
Q1 24
$-126.0M
$-20.7M
Gross Margin
ILMN
ILMN
SEER
SEER
Q4 25
52.0%
Q3 25
51.2%
Q2 25
52.1%
Q1 25
49.0%
Q4 24
65.9%
50.6%
Q3 24
69.0%
48.1%
Q2 24
64.8%
56.3%
Q1 24
62.0%
44.4%
Operating Margin
ILMN
ILMN
SEER
SEER
Q4 25
-413.8%
Q3 25
-469.4%
Q2 25
-506.8%
Q1 25
-493.0%
Q4 24
15.8%
-587.2%
Q3 24
68.6%
-603.3%
Q2 24
-147.2%
-882.0%
Q1 24
-10.3%
-821.7%
Net Margin
ILMN
ILMN
SEER
SEER
Q4 25
-380.7%
Q3 25
-442.5%
Q2 25
-479.5%
Q1 25
-474.4%
Q4 24
16.8%
-543.6%
Q3 24
65.3%
-529.0%
Q2 24
-178.8%
-743.8%
Q1 24
-11.7%
-674.5%
EPS (diluted)
ILMN
ILMN
SEER
SEER
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$1.16
Q3 24
$4.42
$-0.35
Q2 24
$-12.48
$-0.35
Q1 24
$-0.79
$-0.32

Balance Sheet & Financial Strength

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

Metric
ILMN
ILMN
SEER
SEER
Cash + ST InvestmentsLiquidity on hand
$93.0M
$47.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.4B
$259.3M
Total Assets
$6.3B
$296.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ILMN
ILMN
SEER
SEER
Q4 25
$47.3M
Q3 25
$45.0M
Q2 25
$37.9M
Q1 25
$52.4M
Q4 24
$93.0M
$40.8M
Q3 24
$70.0M
$37.6M
Q2 24
$74.0M
$31.9M
Q1 24
$54.4M
Stockholders' Equity
ILMN
ILMN
SEER
SEER
Q4 25
$259.3M
Q3 25
$271.8M
Q2 25
$288.3M
Q1 25
$311.0M
Q4 24
$2.4B
$327.6M
Q3 24
$2.1B
$344.7M
Q2 24
$1.4B
$364.7M
Q1 24
$5.7B
$383.6M
Total Assets
ILMN
ILMN
SEER
SEER
Q4 25
$296.1M
Q3 25
$308.6M
Q2 25
$322.5M
Q1 25
$347.3M
Q4 24
$6.3B
$366.6M
Q3 24
$6.0B
$383.4M
Q2 24
$6.1B
$406.6M
Q1 24
$10.0B
$422.0M

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
SEER
SEER
Operating Cash FlowLast quarter
$364.0M
$-10.8M
Free Cash FlowOCF − Capex
$335.0M
$-11.1M
FCF MarginFCF / Revenue
30.3%
-264.2%
Capex IntensityCapex / Revenue
2.6%
7.0%
Cash ConversionOCF / Net Profit
1.96×
TTM Free Cash FlowTrailing 4 quarters
$709.0M
$-46.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ILMN
ILMN
SEER
SEER
Q4 25
$-10.8M
Q3 25
$-7.6M
Q2 25
$-14.7M
Q1 25
$-11.4M
Q4 24
$364.0M
$-11.5M
Q3 24
$316.0M
$-14.1M
Q2 24
$80.0M
$-10.1M
Q1 24
$77.0M
$-10.5M
Free Cash Flow
ILMN
ILMN
SEER
SEER
Q4 25
$-11.1M
Q3 25
$-7.8M
Q2 25
$-15.2M
Q1 25
$-12.1M
Q4 24
$335.0M
$-12.0M
Q3 24
$284.0M
$-16.3M
Q2 24
$49.0M
$-11.2M
Q1 24
$41.0M
$-11.2M
FCF Margin
ILMN
ILMN
SEER
SEER
Q4 25
-264.2%
Q3 25
-190.5%
Q2 25
-375.9%
Q1 25
-287.1%
Q4 24
30.3%
-299.8%
Q3 24
26.3%
-404.7%
Q2 24
4.4%
-366.0%
Q1 24
3.8%
-365.6%
Capex Intensity
ILMN
ILMN
SEER
SEER
Q4 25
7.0%
Q3 25
6.9%
Q2 25
14.0%
Q1 25
15.6%
Q4 24
2.6%
13.4%
Q3 24
3.0%
54.4%
Q2 24
2.8%
38.2%
Q1 24
3.3%
24.6%
Cash Conversion
ILMN
ILMN
SEER
SEER
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
1.96×
Q3 24
0.45×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

ILMN
ILMN

Sequencing$1.0B91%
Microarray$101.0M9%
Investee$7.0M1%

SEER
SEER

Segment breakdown not available.

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