Stratrix
On the Record · ASE Technology Holding

ASE Technology Holding acquisitions, on the record

The businesses ASE Technology Holding bought and sold, as its annual reports describe them, with the cash it reported paying for acquisitions each year and every deal filing since 2016.

Deals its annual reports describe

BusinessDealWhenValue
HCC Group
Word for word“In October 2023, we acquired HCC to expand our automotive wireless business.” 20-F for 2023
acquisition——
two subsidiaries of Infineon Group
Word for word“In February 2024, the board of directors of ASE resolved to acquire two subsidiaries of Infineon Group, which are located in the Philippines and Korea.” 20-F for 2023
agreed acquisitionFebruary 2024—
SPIL
Word for word“The Share Exchange consummated on April 30, 2018, and ASE and SPIL became privately held and wholly owned subsidiaries of ASEH concurrently.” 20-F for 2023
acquisitionApril 30, 2018—
FAFG
Word for word“In December 2020, the transaction was completed and as a result, USI acquired 100% of FAFG’s total issued shares.” 20-F for 2023
acquisitionIn December 2020, the transaction was completed—
Automotive wireless business (Target Business), renamed HCC Group, carved out from TE Connectivity Ltd.
Word for word“As of December 31, 2023, the SPV has paid US$41.4 million in consideration, while the portion of the consideration remaining to be paid has been accounted for in other payables.” 20-F for 2023
acquisition—As of December 31, 2023, the SPV has paid US$41.4 million in consideration
ASEPCAYMAN and CHE
Word for word“In August 2024, the transaction was completed and as a result, ASE and ASE Korea acquired 100% shareholdings of ASEPCAYMAN and CHE, respectively.” 20-F for 2024
acquisitionIn August 2024—
Infineon Group's manufacturing subsidiaries in the Philippines and Korea
Word for word“In August 2024, we acquired Infineon Group’s manufacturing subsidiaries in the Philippines and Korea to expand power chip module packaging and testing and lead frame packaging for automotive and industrial automation applications.” 20-F for 2024
acquisitionIn August 2024—
Automotive wireless business (Target Business), renamed Hirschmann Car Communication Holding S.a.r.l.
Word for word“The total consideration for the acquisition was US$71.5 million, which was based on the overall valuation of the Target Business and included an adjustment for the net debt and net working capital of the Target Business as of the settlement date.” 20-F for 2024
acquisition—US$71.5 million
Universal Scientific Industrial
Word for word“Upon several acquisitions through cash and stock tender offer, Universal Scientific Industrial became our subsidiary in 2010.” 20-F for 2024
acquisition2010—
USI Global
Word for word“The merger was consummated in 2019 and ASE Technology Holding Co., Ltd. became the surviving entity after the merger and USI Global was thereby dissolved.” 20-F for 2024
merger2019—
PowerASE
Word for word““PowerASE” are to PowerASE Technology Inc., a company incorporated under the laws of the R.O.C., which was merged into ASE Inc. in 2012;” 20-F for 2024
merger2012—
EugenLight Technologies
Word for word“In January 2026, we obtained control over EugenLight Technologies.” 20-F for 2025
acquisitionIn January 2026—
Analog Devices’s manufacturing subsidiaries in Malaysia
Word for word“For example, in 2023, we acquired HCC Group to expand our automotive wireless business, in 2024, we acquired Infineon Group’s manufacturing subsidiaries in the Philippines and South Korea to expand power chip module packaging and testing and lead frame packaging, and in March 2026, the board of directors of ASE Malaysia resolved to acquire Analog Devices’s manufacturing subsidiaries in Malaysia to enhance supply chain resilience and manufacturing diversity.” 20-F for 2025
agreed acquisitionin March 2026—
FAFG and Hirschmann
Word for word“In 2020 and 2023, USI Shanghai completed the acquisition of FAFG and Hirschmann, respectively.” 20-F for 2025
acquisitionIn 2020 and 2023—
Goodcare Holdings Inc. and its subsidiaries (GOODCARE), and HydroTron Power Co., Ltd.
Word for word“As described in Management’s Annual Report on Internal Control Over Financial Reporting, management excluded from its assessment the internal control over financial reporting at Goodcare Holdings Inc. and its subsidiaries (collectively the “GOODCARE”), and HydroTron Power Co., Ltd. (the “HydroTron”), which were acquired in 2025, and whose financial statements constituted less than 1% of net and total assets, operating revenues, and profit of the respective consolidated financial statement amounts as of and for the year ended December 31, 2025.” 20-F for 2025
acquisition2025—

Read from ASE Technology Holding’s annual reports (20-F for 2025, 20-F for 2024, 20-F for 2023) and the financial data it files with the SEC, as of 2026-04-01. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.