Amkor Technology, Inc.

amkor.com

What Do They Do?

Sells semiconductor packaging and test services—including advanced packaging, wafer-level processing and system-in-package solutions—to semiconductor companies and electronics makers.

How Do They Make Money?

Customers pay Amkor for packaging and testing their wafers; billing generally happens when each service is complete, or sometimes when combined services are complete.

revenue

Segment	Share	Revenue	How money arrives
Advanced Products Sold outright	83% FY2022: 76%		Sold outright
Mainstream Products Sold outright	17% FY2022: 24%		Sold outright

Who Are Their Customers?

Semiconductor companies, electronics makers and contract foundries use Amkor’s packaging and test services; Amkor assigns customers direct sales and technical-support teams.

Customers above 10% of revenue, FY2025

of revenue from two customers (30%, 11%)

FY2023: 28% from one customer

Do Revenues Turn Into Profits?

Yes. It kept 6 cents of every revenue dollar as net income in FY2025 and turned 3 cents into free cash flow.

Operating income, FY2025

7% of revenue

▲ +7% vs FY2024 ($438.5M, 7%)

Net income, FY2025

6% of revenue

▲ +6% vs FY2024 ($354M, 6%)

Free cash flow, FY2025

3% of revenue

▼ −45% vs FY2024 ($345.1M, 5%)

How Are They Changing?

Since the FY2025 annual report

Latest quarter: Q3 FY2026, the three months to Sep 30, 2026

Revenue: ▲ 0%; vs $2B in Q3 FY2025
Net income: ▲ +51%; vs $126.6M in Q3 FY2025

Advanced products share of revenue vs 84.7% in Q3 FY2025

Jul 27, 2026 Amkor issued third-quarter financial guidance It projected net sales of $1.95 billion to $2.05 billion and net income of $180 million to $205 million.
May 21, 2026 Amkor set long-term financial targets The targets cover revenue, gross margin and earnings per share.

Growing. Revenue grew 9% in 4 years, from $6.1B in FY2021 to $6.7B in FY2025, about 2% a year.

Revenue over time

Advanced Products Mainstream Products

$10B$5B$0

FY2021 FY2022 FY2023 FY2024 FY2025

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