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ASE Technology Holding Co., Ltd. (ASX) is a technology company in the chip assembly and verification operations industry, based in Kaohsiung, Taiwan, with about 114,179 full-time employees.
It reported revenue of 645.39 billion TWD for fiscal year 2025, up 8.4% from fiscal year 2024, and net income of 40.02 billion TWD. In Q2 2026 (the quarter ended June 30, 2026) revenue was 191.06 billion TWD, up 26.7% from a year before. Its largest business segment, Packaging, brought in 45% of segment revenue in fiscal year 2025; U.S. was the largest region with 57%. Its market capitalization was $102.09 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
, together with its subsidiaries, provides semiconductor manufacturing services in the United States, Taiwan, rest of Asia, Europe, and internationally. It operates through Packaging, Testing, and EMS.
ASE Technology Holding reported 645.39 billion TWD in revenue for fiscal year 2025, up 8.4% from 595.41 billion TWD in fiscal year 2024. In Q2 2026 revenue was 191.06 billion TWD.
Packaging, with 314.01 billion TWD or 45% of segment revenue in fiscal year 2025. Next: Electronic Manufacturing Services (42%) and Testing (10%).
U.S.: 57% of revenue by region in fiscal year 2025, followed by Taiwan (18%).
$102.09 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (chip assembly and verification operations) include Amkor Technology, Inc. (AMKR), ChipMOS Technologies Inc. (IMOS).