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Side-by-side financial comparison of HARVARD BIOSCIENCE INC (HBIO) 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 $23.7M, roughly 46.5× HARVARD BIOSCIENCE INC). ILLUMINA, INC. runs the higher net margin — 16.8% vs -12.0%, a 28.8% gap on every dollar of revenue. On growth, ILLUMINA, INC. posted the faster year-over-year revenue change (-1.6% vs -3.3%). ILLUMINA, INC. produced more free cash flow last quarter ($335.0M vs $-545.0K). Over the past eight quarters, ILLUMINA, INC.'s revenue compounded faster (0.8% CAGR vs -1.6%).

Harvard Bioscience is a global developer, manufacturer and marketer of life sciences equipment to support research and drug discovery. It is traded on NASDAQ under the stock symbol HBIO.

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.

HBIO vs ILMN — Head-to-Head

Bigger by revenue
ILMN
ILMN
46.5× larger
ILMN
$1.1B
$23.7M
HBIO
Growing faster (revenue YoY)
ILMN
ILMN
+1.7% gap
ILMN
-1.6%
-3.3%
HBIO
Higher net margin
ILMN
ILMN
28.8% more per $
ILMN
16.8%
-12.0%
HBIO
More free cash flow
ILMN
ILMN
$335.5M more FCF
ILMN
$335.0M
$-545.0K
HBIO
Faster 2-yr revenue CAGR
ILMN
ILMN
Annualised
ILMN
0.8%
-1.6%
HBIO

Income Statement — Q4 2025 vs Q4 2025

Metric
HBIO
HBIO
ILMN
ILMN
Revenue
$23.7M
$1.1B
Net Profit
$-2.8M
$186.0M
Gross Margin
59.7%
65.9%
Operating Margin
7.2%
15.8%
Net Margin
-12.0%
16.8%
Revenue YoY
-3.3%
-1.6%
Net Profit YoY
-15916.7%
205.7%
EPS (diluted)
$-0.06
$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
HBIO
HBIO
ILMN
ILMN
Q4 25
$23.7M
Q3 25
$20.6M
Q2 25
$20.4M
Q1 25
$21.8M
Q4 24
$24.6M
$1.1B
Q3 24
$22.0M
$1.1B
Q2 24
$23.1M
$1.1B
Q1 24
$24.5M
$1.1B
Net Profit
HBIO
HBIO
ILMN
ILMN
Q4 25
$-2.8M
Q3 25
$-1.2M
Q2 25
$-2.3M
Q1 25
$-50.3M
Q4 24
$18.0K
$186.0M
Q3 24
$-4.8M
$705.0M
Q2 24
$-2.9M
$-2.0B
Q1 24
$-4.7M
$-126.0M
Gross Margin
HBIO
HBIO
ILMN
ILMN
Q4 25
59.7%
Q3 25
58.4%
Q2 25
56.4%
Q1 25
56.0%
Q4 24
57.1%
65.9%
Q3 24
58.1%
69.0%
Q2 24
57.2%
64.8%
Q1 24
60.3%
62.0%
Operating Margin
HBIO
HBIO
ILMN
ILMN
Q4 25
7.2%
Q3 25
1.0%
Q2 25
-4.0%
Q1 25
-228.1%
Q4 24
0.0%
15.8%
Q3 24
-8.5%
68.6%
Q2 24
-9.0%
-147.2%
Q1 24
-9.3%
-10.3%
Net Margin
HBIO
HBIO
ILMN
ILMN
Q4 25
-12.0%
Q3 25
-6.0%
Q2 25
-11.2%
Q1 25
-231.2%
Q4 24
0.1%
16.8%
Q3 24
-21.9%
65.3%
Q2 24
-12.7%
-178.8%
Q1 24
-19.1%
-11.7%
EPS (diluted)
HBIO
HBIO
ILMN
ILMN
Q4 25
$-0.06
Q3 25
$-0.03
Q2 25
$-0.05
Q1 25
$-1.14
Q4 24
$0.01
$1.16
Q3 24
$-0.11
$4.42
Q2 24
$-0.07
$-12.48
Q1 24
$-0.11
$-0.79

Balance Sheet & Financial Strength

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

Metric
HBIO
HBIO
ILMN
ILMN
Cash + ST InvestmentsLiquidity on hand
$8.6M
$93.0M
Total DebtLower is stronger
$35.9M
Stockholders' EquityBook value
$13.7M
$2.4B
Total Assets
$80.1M
$6.3B
Debt / EquityLower = less leverage
2.61×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HBIO
HBIO
ILMN
ILMN
Q4 25
$8.6M
Q3 25
$6.8M
Q2 25
$7.4M
Q1 25
$5.5M
Q4 24
$4.1M
$93.0M
Q3 24
$4.6M
$70.0M
Q2 24
$4.0M
$74.0M
Q1 24
$4.3M
Total Debt
HBIO
HBIO
ILMN
ILMN
Q4 25
$35.9M
Q3 25
$34.0M
Q2 25
$34.9M
Q1 25
$36.4M
Q4 24
$37.0M
Q3 24
$34.9M
Q2 24
$35.7M
Q1 24
$35.6M
Stockholders' Equity
HBIO
HBIO
ILMN
ILMN
Q4 25
$13.7M
Q3 25
$14.1M
Q2 25
$15.7M
Q1 25
$14.8M
Q4 24
$63.3M
$2.4B
Q3 24
$65.3M
$2.1B
Q2 24
$67.2M
$1.4B
Q1 24
$68.8M
$5.7B
Total Assets
HBIO
HBIO
ILMN
ILMN
Q4 25
$80.1M
Q3 25
$78.0M
Q2 25
$80.1M
Q1 25
$79.8M
Q4 24
$126.6M
$6.3B
Q3 24
$131.2M
$6.0B
Q2 24
$128.9M
$6.1B
Q1 24
$133.2M
$10.0B
Debt / Equity
HBIO
HBIO
ILMN
ILMN
Q4 25
2.61×
Q3 25
2.41×
Q2 25
2.22×
Q1 25
2.45×
Q4 24
0.58×
Q3 24
0.53×
Q2 24
0.53×
Q1 24
0.52×

Cash Flow & Capital Efficiency

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

Metric
HBIO
HBIO
ILMN
ILMN
Operating Cash FlowLast quarter
$-96.0K
$364.0M
Free Cash FlowOCF − Capex
$-545.0K
$335.0M
FCF MarginFCF / Revenue
-2.3%
30.3%
Capex IntensityCapex / Revenue
1.9%
2.6%
Cash ConversionOCF / Net Profit
1.96×
TTM Free Cash FlowTrailing 4 quarters
$5.5M
$709.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HBIO
HBIO
ILMN
ILMN
Q4 25
$-96.0K
Q3 25
$1.1M
Q2 25
$2.8M
Q1 25
$3.0M
Q4 24
$1.7M
$364.0M
Q3 24
$-842.0K
$316.0M
Q2 24
$-846.0K
$80.0M
Q1 24
$1.4M
$77.0M
Free Cash Flow
HBIO
HBIO
ILMN
ILMN
Q4 25
$-545.0K
Q3 25
$877.0K
Q2 25
$2.7M
Q1 25
$2.5M
Q4 24
$1.4M
$335.0M
Q3 24
$-1.7M
$284.0M
Q2 24
$-1.7M
$49.0M
Q1 24
$758.0K
$41.0M
FCF Margin
HBIO
HBIO
ILMN
ILMN
Q4 25
-2.3%
Q3 25
4.3%
Q2 25
13.0%
Q1 25
11.4%
Q4 24
5.8%
30.3%
Q3 24
-7.8%
26.3%
Q2 24
-7.2%
4.4%
Q1 24
3.1%
3.8%
Capex Intensity
HBIO
HBIO
ILMN
ILMN
Q4 25
1.9%
Q3 25
1.0%
Q2 25
0.4%
Q1 25
2.4%
Q4 24
1.2%
2.6%
Q3 24
4.0%
3.0%
Q2 24
3.5%
2.8%
Q1 24
2.6%
3.3%
Cash Conversion
HBIO
HBIO
ILMN
ILMN
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
95.83×
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

HBIO
HBIO

Instruments Equipment Software And Accessories$21.6M91%
Service Maintenance And Warranty Contracts$2.1M9%

ILMN
ILMN

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

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