Amkor Technology, Inc.
Amkor Technology, Inc. (Nasdaq: AMKR) provides outsourced semiconductor packaging and test services to integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers and contract foundries. Its turnkey offerings include package design, wafer bumping and probing, wafer back-grinding,… From the company’s description.
In fiscal 2025, Amkor Technology, Inc. reported revenue of $6.71B, up 6.2% from fiscal 2024, and net income of $376.12M. Its operating margin was 7.0%, and operations generated $1.10B in cash. Over the twelve months to Jun 30, 2026, revenue was $7.46B.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Amkor Technology, Inc. does
In the company’s own words
Amkor Technology, Inc. (Nasdaq: AMKR) provides outsourced semiconductor packaging and test services to integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers and contract foundries. Its turnkey offerings include package design, wafer bumping and probing, wafer back-grinding, packaging, burn-in, system-level and final testing, and drop shipment. Products span advanced packaging, wafer-level processing and system-in-package solutions for communications, computing, automotive, industrial and consumer applications. Amkor classifies its offerings as Advanced Products, including flip-chip, memory and wafer-level packaging, and Mainstream Products, including wirebond and power-device packaging; Advanced Products generated 82.8% of 2025 net sales. Its services support applications in smartphones, data centers, artificial intelligence, vehicles, wearables and connected devices, and its package brands and technologies include MicroLeadFrame, SWIFT and S-Connect. Net sales were $6.708 billion in fiscal 2025, and the company employed 30,800 people at year-end across operations in 12 countries. Its website is www.amkor.com.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Semiconductors
- Headquarters
- TEMPE, AZ
- Fiscal year end
- December
- CIK
- 1047127
- SIC
- 3674
Financial performance, year by year
Fiscal 2013–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Amkor Technology, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Amkor Technology, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Amkor Technology, Inc.’s bonds, as funds hold them
Funds report holding 2 issues of Amkor Technology, Inc.’s debt, $225.44M at market value — what funds hold, not the company’s total debt. Weighted-average coupon 5.88%, maturing 2031 to 2033.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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