ASE Industrial Holding Co LtdAI-fueled demand for advanced packaging drove record revenue and strong growth, with ASE outperforming Amkor.
ASE Technology and Amkor Technology both reported strong first-quarter 2026 results driven by AI-fueled demand for advanced semiconductor packaging, but ASE Technology holds the edge in growth, profitability, and earnings outlook. ASE Technology posted NT$173.7 billion in revenue, up 17% year over year, with its Assembly, Testing and Material business reaching a record NT$112.4 billion, while Amkor achieved record revenue of $1.68 billion, a 27% increase. ASE Technology shares have surged 149.8% year to date, outpacing Amkor's 99.4% gain, and analysts expect ASE Technology's earnings per share to grow 47.4% in 2026 and another 73.2% in 2027, compared with Amkor's projected 38.7% growth this year and just 3.7% next year. ASE Technology also trades at a slightly lower forward price-to-earnings multiple of 35.33 times versus Amkor's 37.11 times, while both stocks carry premium valuations relative to the industry average of 33.61 times. The analysis concludes that ASE Technology's faster revenue growth, superior margin profile, stronger AI-driven momentum, and better long-term earnings trajectory make it the more compelling investment in the chip packaging space.
ASE Industrial Holding Co LtdAI-fueled demand for advanced packaging drove record revenue and strong growth, with ASE outperforming Amkor.
Amkor Technology IncAI-fueled demand for advanced semiconductor packaging drove record revenue and strong growth.
Applied Materials Inc
KLA Corporation