49/100BASE Technology Holding company profile
- CEO
- Jason Chang
- Employees
- 96,436
- Headquarters
- 26, Chin 3rd Road, Kaohsiung, KH 811, TW
- Sector
- Technology
- Industry
- Semiconductors
- IPO date
- 2 Oct 2000
- Stock exchange
- NYSE
- ISIN
- US00215W1009
Website:aseglobal.com
About the company
Established in 1984 and headquartered in Kaohsiung, Taiwan, ASE Technology Holding Co., Ltd. operates as a leading global provider of essential services for the semiconductor industry. Its primary business encompasses a full range of semiconductor packaging and testing solutions, alongside electronic manufacturing services, catering to an international clientele spanning the United States, Taiwan, various other Asian countries, and Europe. The company offers an extensive portfolio of packaging services, featuring advanced techniques such as flip chip ball grid array (BGA) and chip scale package (CSP) formats. This also includes a variety of quad flat packages (including low profile and thin versions), bump chip carriers, and advanced quad flat no-lead (QFN) packages. ASE specializes in cutting-edge solutions like plastic BGAs, 3D chip packages, and stacked die integration, utilizing both copper and silver wire bonding. Further sophisticated offerings include specialized flip chip BGAs with heat-spreaders, hybrid FCCSPs, innovative package in package (PiP) and package on package (PoP) assemblies, advanced single-sided substrates, high-bandwidth PoP, fan-out wafer-level packaging, SESUB technology, and 2.5D silicon interposers. Additionally, the company produces IC wire bonding packages, system-in-package (SiP) products and modules, and provides critical interconnect materials, including the assembly of electronic components for the automotive sector. In the domain of semiconductor testing, ASE delivers a comprehensive array of services. These range from initial front-end engineering testing and wafer probing to the final verification of a diverse set of components, such as logic, mixed-signal, radio frequency (RF) modules, SiP, micro-electro-mechanical systems (MEMS), and discrete devices. The company also manages associated test services and drop shipment logistics. Beyond its core semiconductor operations, ASE Technology Holding diversifies its ventures significantly. This includes the development, construction, sale, leasing, and management of real estate properties. The company also manufactures substrates, offers information software solutions, provides equipment leasing and investment advisory services, and manages warehousing operations. Furthermore, ASE is involved in processing and distributing computer and communication peripherals, electronic components, telecommunications equipment, and motherboards, actively participating in the import and export of goods and technology.
Employees
ASE Technology Holding had about 105,947 employees at the end of fiscal year 2025 (31 December 2025), by its annual report. That is 10.9% more than a year before.
Employees at each fiscal year end, as the company reports them in its annual report (10-K); revenue and net income per employee are the fiscal year's over that count.
Who owns ASE Technology Holding
Institutions such as funds, banks and insurers held 7.0% of ASE Technology Holding's shares on 30 June 2026, 507 of them reporting holdings to the SEC; the rest is held by individual investors and other shareholders.
Shares free to trade
Closely held shares belong to insiders, founders and owners of more than 5%, and seldom change hands. The free float is the rest: the shares anyone can buy and sell.
Common questions about ASE Technology Holding
Source: Financial Modeling Prep