Company profile · Semiconductors

Amkor Technology (AMKR)

Nasdaq: AMKR · Tempe, AZ · Data from SEC filings, updated Oct 6, 2026

Overview

Amkor Technology trades on Nasdaq under the ticker AMKR and is classified by RoxMag in the Semiconductors segment (SEC industry code 3674, Semiconductors & Related Devices). Its principal executive offices are in Tempe, AZ. The company was founded in 1968. In its annual report for the fiscal year ended December 31, 2025, it reported revenue of $6.71 billion and net income of $373.9 million. By public float it ranks #31 of the 68 semiconductors companies profiled on RoxMag.

Amkor Technology, Inc. is an American 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.

Financial history

Annual figures as reported in Amkor Technology's 10-K filings (US dollars).

Revenue growth
6.2%
vs prior year, FY2025
Net margin
5.6%
net income ÷ revenue, FY2025
Operating margin
7.0%
operating income ÷ revenue, FY2025
R&D share of revenue
2.5%
R&D ÷ revenue, FY2025
Revenue
$6.1B FY2021 $7.1B FY2022 $6.5B FY2023 $6.3B FY2024 $6.7B FY2025
Net income
$643.0M FY2021 $765.8M FY2022 $359.8M FY2023 $354.0M FY2024 $373.9M FY2025
Annual financial data for Amkor Technology
MetricFY2025FY2024FY2023FY2022FY2021
Revenue $6.7B$6.3B$6.5B$7.1B$6.1B
Gross profit $938.6M$933.2M$943.2M$1.3B$1.2B
Operating income $467.4M$438.5M$470.3M$897.2M$763.4M
Net income $373.9M$354.0M$359.8M$765.8M$643.0M
Research & development $166.7M$163.0M$177.5M$149.4M$166.0M
Total assets $8.1B$6.9B$6.8B$6.8B$6.0B
Stockholders' equity $4.5B$4.1B$4.0B$3.7B$2.9B
Cash & equivalents $1.4B$1.1B$1.1B$959.1M$826.7M

Fiscal-year labels follow the calendar year in which each fiscal year ends. Margins and growth are calculated by RoxMag from the reported figures.

Recent SEC filings

  • 10-Q 10-Q
  • 8-K 8-K
  • 8-K 8-K
  • 8-K 8-K
  • 8-K 8-K
  • 8-K 8-K
  • 8-K 8-K
  • 10-Q 10-Q
  • 8-K 8-K
  • DEF 14A DEF 14A
  • 10-K 10-K
  • 8-K 8-K

All filings on SEC EDGAR →

Sources & method

Company identity, address, filings, financial figures, share counts and public float come from the company's own filings with the U.S. Securities and Exchange Commission (EDGAR). Website, founding year, chief executive and employee count come from Wikidata where available; the overview excerpt is from Wikipedia. Fields without a public source are left blank. RoxMag does not estimate figures. This page is general information, not investment advice — see our disclaimer and editorial policy.