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

AMKOR TECHNOLOGY, INC. is the larger business by last-quarter revenue ($1.7B vs $1.2B, roughly 1.5× ILLUMINA, INC.). ILLUMINA, INC. runs the higher net margin — 28.8% vs 4.9%, a 23.9% gap on every dollar of revenue. On growth, AMKOR TECHNOLOGY, INC. posted the faster year-over-year revenue change (27.5% vs 5.0%). Over the past eight quarters, AMKOR TECHNOLOGY, INC.'s revenue compounded faster (7.4% CAGR vs -0.7%).

Amkor Technology, Inc. is a semiconductor product packaging and test services provider. The company has been headquartered in Arizona, since 2005, when it was moved from West Chester, Pennsylvania, also in the United States. The company's Arizona headquarters was originally in Chandler, then later moved to Tempe. The company was founded in 1968 and, as of 2022, has approximately 31,000 employees worldwide and a reported $7.1 billion in sales.

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.

AMKR vs ILMN — Head-to-Head

Bigger by revenue
AMKR
AMKR
1.5× larger
AMKR
$1.7B
$1.2B
ILMN
Growing faster (revenue YoY)
AMKR
AMKR
+22.5% gap
AMKR
27.5%
5.0%
ILMN
Higher net margin
ILMN
ILMN
23.9% more per $
ILMN
28.8%
4.9%
AMKR
Faster 2-yr revenue CAGR
AMKR
AMKR
Annualised
AMKR
7.4%
-0.7%
ILMN

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
AMKR
AMKR
ILMN
ILMN
Revenue
$1.7B
$1.2B
Net Profit
$83.0M
$334.0M
Gross Margin
14.2%
65.5%
Operating Margin
5.9%
17.4%
Net Margin
4.9%
28.8%
Revenue YoY
27.5%
5.0%
Net Profit YoY
295.2%
185.5%
EPS (diluted)
$0.33
$2.16

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
AMKR
AMKR
ILMN
ILMN
Q1 26
$1.7B
Q4 25
$1.9B
$1.2B
Q3 25
$2.0B
Q2 25
$1.5B
Q1 25
$1.3B
Q4 24
$1.6B
$1.1B
Q3 24
$1.9B
$1.1B
Q2 24
$1.5B
$1.1B
Net Profit
AMKR
AMKR
ILMN
ILMN
Q1 26
$83.0M
Q4 25
$171.8M
$334.0M
Q3 25
$126.6M
Q2 25
$54.4M
Q1 25
$21.1M
Q4 24
$105.6M
$186.0M
Q3 24
$122.6M
$705.0M
Q2 24
$66.9M
$-2.0B
Gross Margin
AMKR
AMKR
ILMN
ILMN
Q1 26
14.2%
Q4 25
16.7%
65.5%
Q3 25
14.3%
Q2 25
12.0%
Q1 25
11.9%
Q4 24
15.1%
65.9%
Q3 24
14.6%
69.0%
Q2 24
14.5%
64.8%
Operating Margin
AMKR
AMKR
ILMN
ILMN
Q1 26
5.9%
Q4 25
9.8%
17.4%
Q3 25
8.0%
Q2 25
6.1%
Q1 25
2.4%
Q4 24
8.3%
15.8%
Q3 24
8.0%
68.6%
Q2 24
5.6%
-147.2%
Net Margin
AMKR
AMKR
ILMN
ILMN
Q1 26
4.9%
Q4 25
9.1%
28.8%
Q3 25
6.4%
Q2 25
3.6%
Q1 25
1.6%
Q4 24
6.5%
16.8%
Q3 24
6.6%
65.3%
Q2 24
4.6%
-178.8%
EPS (diluted)
AMKR
AMKR
ILMN
ILMN
Q1 26
$0.33
Q4 25
$0.68
$2.16
Q3 25
$0.51
Q2 25
$0.22
Q1 25
$0.09
Q4 24
$0.43
$1.16
Q3 24
$0.49
$4.42
Q2 24
$0.27
$-12.48

Balance Sheet & Financial Strength

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

Metric
AMKR
AMKR
ILMN
ILMN
Cash + ST InvestmentsLiquidity on hand
$1.8B
$1.6B
Total DebtLower is stronger
$1.3B
Stockholders' EquityBook value
$4.6B
$2.7B
Total Assets
$8.3B
$6.6B
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMKR
AMKR
ILMN
ILMN
Q1 26
$1.8B
Q4 25
$2.0B
$1.6B
Q3 25
$2.1B
Q2 25
$2.0B
Q1 25
$1.6B
Q4 24
$1.6B
$93.0M
Q3 24
$1.5B
$70.0M
Q2 24
$1.5B
$74.0M
Total Debt
AMKR
AMKR
ILMN
ILMN
Q1 26
$1.3B
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
AMKR
AMKR
ILMN
ILMN
Q1 26
$4.6B
Q4 25
$4.5B
$2.7B
Q3 25
$4.3B
Q2 25
$4.2B
Q1 25
$4.2B
Q4 24
$4.1B
$2.4B
Q3 24
$4.2B
$2.1B
Q2 24
$4.0B
$1.4B
Total Assets
AMKR
AMKR
ILMN
ILMN
Q1 26
$8.3B
Q4 25
$8.1B
$6.6B
Q3 25
$8.2B
Q2 25
$7.7B
Q1 25
$6.9B
Q4 24
$6.9B
$6.3B
Q3 24
$7.0B
$6.0B
Q2 24
$6.9B
$6.1B
Debt / Equity
AMKR
AMKR
ILMN
ILMN
Q1 26
0.28×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
AMKR
AMKR
ILMN
ILMN
Operating Cash FlowLast quarter
$145.1M
$321.0M
Free Cash FlowOCF − Capex
$267.0M
FCF MarginFCF / Revenue
23.0%
Capex IntensityCapex / Revenue
29.0%
Cash ConversionOCF / Net Profit
1.75×
0.96×
TTM Free Cash FlowTrailing 4 quarters
$935.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMKR
AMKR
ILMN
ILMN
Q1 26
$145.1M
Q4 25
$644.5M
$321.0M
Q3 25
$168.5M
Q2 25
$258.5M
Q1 25
$24.1M
Q4 24
$537.6M
$364.0M
Q3 24
$164.2M
$316.0M
Q2 24
$224.8M
$80.0M
Free Cash Flow
AMKR
AMKR
ILMN
ILMN
Q1 26
Q4 25
$212.4M
$267.0M
Q3 25
$-77.9M
Q2 25
$112.3M
Q1 25
$-55.7M
Q4 24
$251.9M
$335.0M
Q3 24
$-31.3M
$284.0M
Q2 24
$58.4M
$49.0M
FCF Margin
AMKR
AMKR
ILMN
ILMN
Q1 26
Q4 25
11.2%
23.0%
Q3 25
-3.9%
Q2 25
7.4%
Q1 25
-4.2%
Q4 24
15.5%
30.3%
Q3 24
-1.7%
26.3%
Q2 24
4.0%
4.4%
Capex Intensity
AMKR
AMKR
ILMN
ILMN
Q1 26
29.0%
Q4 25
22.9%
Q3 25
12.4%
Q2 25
9.7%
Q1 25
6.0%
Q4 24
17.5%
2.6%
Q3 24
10.5%
3.0%
Q2 24
11.4%
2.8%
Cash Conversion
AMKR
AMKR
ILMN
ILMN
Q1 26
1.75×
Q4 25
3.75×
0.96×
Q3 25
1.33×
Q2 25
4.75×
Q1 25
1.14×
Q4 24
5.09×
1.96×
Q3 24
1.34×
0.45×
Q2 24
3.36×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMKR
AMKR

Advanced products (1)$1.4B81%
Mainstream products (2)$313.0M19%

ILMN
ILMN

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

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