ASE Technology Holding Co., Ltd. Reports Robust Monthly Net Revenues for December 2025

ASE Technology Holding Co., Ltd. (NYSE: ASX, TAIEX: 3711), widely recognized as ASEH, has released its unaudited consolidated net revenue figures for December 2025. The company reported a solid performance, with net revenues reaching NT$58,865 million (approximately US$1,880 million). This represents a marginal increase of 0.1% compared to the previous month, and a significant year-on-year growth of 11.3% compared to December 2024. The strong performance is indicative of the company's robust position in the semiconductor industry, particularly in the assembly and testing sectors, where demand continues to rise.

Quarterly and Full Year Performance

In addition to the December figures, ASE Technology also disclosed results for the fourth quarter and the entirety of the fiscal year 2025. The net revenues for Q4 amounted to NT$177,915 million (about US$5,763 million), marking a 5.5% increase from Q3 2025 and a year-on-year growth of 9.6% from Q4 2024. Overall, the full-year revenues for 2025 stood at NT$645,388 million (approximately US$20,782 million), showcasing an 8.4% rise compared to the previous year.

This steady revenue growth can be partially attributed to ASE Technology's strategic initiatives to enhance its service offerings within the semiconductor packaging and testing landscape, which has seen increased demand due to the booming electronics market globally.

ATM Revenue Breakdown

In its report, ASE Technology specifically highlighted revenues from its ATM (assembly, testing, and materials) segment. In December, this sector generated net revenues of NT$37,586 million (around US$1,201 million), reflecting a robust sequential increase of 4.2% and a remarkable year-on-year jump of 25.9%. The strong performance in the ATM segment underscores ASE's ability to cater to the evolving needs of its clients and adapt to changing market conditions.

For Q4 2025, ATM revenues climbed to NT$109,707 million (approximately US$3,553 million), a 9.4% sequential improvement and a robust year-on-year rise of 24.2%. These figures illustrate ASE Technology's increasing market share in this niche, as it continues to leverage its technological advancements to attract more business.

Looking at the fiscal year, ATM net revenues were reported at NT$389,228 million (about US$12,539 million), marking a 19.4% increase compared to 2024. This growth underlines the company's strategic focus on boosting its ATM capabilities, enhancing productivity, and expanding its client base.

Future Outlook

ASE Technology Holding Co., Ltd. remains optimistic about its future growth prospects. The company plans to continue investing in innovative technologies and expanding its production capacities to meet the increasing demands of the semiconductor market. The anticipated growth is expected to be supported by the ongoing advancements in industries reliant on semiconductor technology, such as consumer electronics, automotive, and telecommunications.

Furthermore, the management has indicated that they are closely monitoring various market conditions, including fluctuations in currency exchange rates and changes in regulatory landscapes, which could impact operations. ASE Technology is poised to leverage its experience and resources to navigate these challenges effectively and sustain its growth trajectory.

In conclusion, ASE Technology Holding Co., Ltd.'s impressive revenue figures for December and the entire year of 2025 reaffirm its status as a leader in the semiconductor industry, with strong foundations for future growth.