ASE Technology Holding Co., Ltd.
Close on Oct 19, 2026
About ASE Technology Holding
Semiconductors & Related Devices, SIC 3674
ASE Technology Holding Co., Ltd. provides outsourced semiconductor packaging, assembly, and testing services, alongside electronic manufacturing services. Its offerings include advanced packaging, wirebonding, interconnect materials, engineering testing, wafer probing, final testing, and module assembly. Through subsidiaries such as USI Group, it delivers integrated solutions for computing, communications, consumer electronics, automotive electronics, and industrial applications. The company serves semiconductor designers, fabless firms, and integrated device manufacturers.
Headquartered in Kaohsiung, Taiwan, the company operates principal manufacturing sites across Taiwan, the People's Republic of China, South Korea, Japan, Singapore, Malaysia, the Philippines, and Vietnam. It also maintains facilities and development centers across Mexico, the United States, Poland, France, Germany, the United Kingdom, Tunisia, the Czech Republic, and Hungary.
Summary of the business section of ASE Technology Holding's latest annual report, written by StockData.
Company profile
Company
- Legal name
- ASE Technology Holding Co., Ltd.
- Founded
- 2018
- Headquarters
- Kaohsiung, Taiwan
- Address
- 26, Chin 3rd Rd., Nanzih District 811
- Phone
- 886-7-361-7173
- Website
- ir.aseglobal.com
- Employees
- 14,258, Dec 31, 2025
- Industry
- Semiconductors & Related Devices
- Incorporated in
- F5
- Fiscal year ends
- December 31
- Auditor
- Deloitte & Touche, Taipei, Taiwan
Stock & identifiers
- Ticker
- ASX
- Exchange
- NYSE
- IPO date
- Sep 27, 2000
- Shares outstanding
- 4.45B, Dec 31, 2025
- Filer category
- Large accelerated filer
- Stock splits
- 1-for-2 reverse, Apr 26, 2019; 11-for-10, Aug 22, 2003
- SEC CIK
- 1122411
- CUSIP
- 00215W100
- ISIN
- US00215W1009
- LEI
- 300300GO8QHPMV87NZ73
- EIN
- 00-0000000
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Hung-Szu Tung | Chief Financial Officer | 4,515,411 |
| Chung Lin | GM, ASE Shanghai & Electronics | 170,278 |
| Du-Tsuen Uang | Chief Administration Officer | 841,000 |
| Chih-Hsiao Chung | GM, ASE Japan & Wuxi Tongzhi | 425,000 |
| Kenneth Hsiang | CEO, ISE Labs | 109,000 |
| Hung-Ming Kuo | Principal Accounting Officer | 985,500 |
| Tien-Szu Chen | GM, ASE Inc. Chung-Li Branch | 2,551,821 |
| Raymond Lo | GM TW & Kaohsiung Pkg Facility | 4,383,430 |
| Chi-Wen Tsai | Chairman & President, SPIL | 15,598,000 |
| Sharon Mei Wan Ko | GM, ASE (PENANG) SDN. BHD. | – |
| Kelvin Fook Lin Liu | GM, ASE Malaysia | – |
| Dirk Wendt | GM, Hirschmann Mobility Hldg | – |
| Chih-Wen Yu | GM, SPIL SuZhou | – |
| Gichol Lee | GM, ASE Korea | – |
| Nicolas Denis | CEO, Financiere AFG | – |
| Hui-Min Liu | GM, USI Vietnam Co. Ltd | – |
| Ta-I Lin | GM, UGT Kunshan & Huizhou | – |
| Yean Peng Chen | GM, ASE Singapore Pte. Ltd | – |
| Yee Voon Hew | GM, ASE Cheonan, Inc. | – |
| Ying Pin Wu | GM, Asteelflash Suzhou Co. Ltd | – |
| Tuck Weng Andrew Lee | GM, USI Mexico | – |
| Kwai Mun Lee | President, ASE SE Asia Ops. | – |
| Chen-Yen Wei | Chairman, USI Co., Ltd. | 366,115 |
| Meng-Hui Lin | GM, UGT (Shanghai) Co., Ltd | 240,470 |
| Hung Pen Chang | Director | 128,975,228 |
Employees
Headcount reported in annual reports
“As of December 31, 2025, we had a research and development team of 14,258 employees.”
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| Jun 8, 2018 | Name change | Name changed from ASE Industrial Holding Co., Ltd. to ASE Technology Holding Co., Ltd. |
| May 3, 2018 | Delisting | Notice of delisting from exchange (Form 25) |
| Apr 30, 2018 | Name change | Name changed from ADVANCED SEMICONDUCTOR ENGINEERING INC to ASE Industrial Holding Co., Ltd. |
| Nov 22, 2016 | Merger | Registration of securities for a merger or exchange offer (S-4) |
| Dec 29, 2015 | Tender offer | Third-party tender offer for the company's shares |
| Aug 24, 2015 | Tender offer | Third-party tender offer for the company's shares |
| Sep 27, 2000 | IPO | Initial public offering priced (424B4 prospectus) |
| Sep 20, 2000 | Listing | Registration of securities on an exchange (Form 8-A) |
| Aug 28, 2000 | Merger | Registration of securities for a merger or exchange offer (S-4) |