ASE Technology’s March Revenue Surges 18% Sequentially—Strong Momentum in ATM Business Drives 2025 Growth Outlook

March Revenues Show Notable Sequential and Annual Growth

ASE Technology Holding Co., Ltd. (NYSE: ASX), a leading name in semiconductor packaging and testing, released its unaudited monthly revenue report for March and the first quarter of 2025. The numbers stand out: March consolidated net revenues hit NT$61,577 million (US$1,949 million), representing an 18.2% sequential jump from February and a robust 14.6% year-over-year increase. In US dollar terms, the March rise was 17.9% sequentially and 19% year-over-year. Such double-digit growth—both month-over-month and year-over-year—signals accelerating demand in ASE’s core businesses.

ATM Segment Delivers Outstanding Year-over-Year Expansion

The company’s ATM (Assembly, Testing, and Material) business was especially impressive. March ATM net revenues surged to NT$39,823 million (US$1,261 million)—up 13.9% sequentially from February and 27.6% year-over-year in local currency. When measured in dollars, the growth rates were even more striking at 13.6% sequentially and 32.6% year-over-year. For the first quarter, ATM revenues rose 2.5% quarter-over-quarter and a significant 29.7% year-over-year (NT$). Such broad-based gains suggest momentum is not just a monthly blip but part of a sustained recovery and growth trend.

Quarterly Results Reinforce Upward Momentum Despite Minor Sequential Dip

For Q1 2026, consolidated net revenues totaled NT$173,662 million (US$5,508 million). This was a modest -2.4% decline sequentially in NT$ (or -4.4% in US$) compared to Q4 2025—a typical post-holiday season effect. Still, year-on-year growth remained strong, up 17.2% (NT$) and 21.9% (US$) versus Q1 2025, highlighting resilience amid semiconductor market volatility. The results suggest ASE is outpacing broader industry trends and may be capturing market share.

Year-Over-Year Gains Suggest Industry Recovery and ASE’s Expanding Position

The most remarkable aspect of these figures is the consistent year-over-year expansion—21.9% growth in quarterly US dollar revenue and over 29% in the ATM segment. This not only points to a broader industry recovery after recent cyclical softness but may also indicate ASE is leveraging its scale and technological prowess to win more business, especially in an environment where the supply chain and advanced packaging capabilities are increasingly critical.

What’s Next? Key Factors to Watch Based on Revenue Trends

It’s clear ASE Technology is entering Q2 with strong tailwinds from March and solid first-quarter performance. The rapid expansion in the ATM segment, in particular, could have ripple effects both for the company’s margins and its ability to invest in further capacity or technology upgrades. For investors and industry watchers, key factors to monitor include cyclical demand in global semiconductors, competitive dynamics from regional rivals, and developments in advanced packaging technologies.

While short-term market fluctuations are always possible—as indicated by the small quarter-over-quarter dip—the scale of year-over-year gains underscores a positive long-term trajectory.

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