日月光（3711.TW）CY25Q4 业绩点评及法说会纪要：ATM 先进封装接近满载，EMS 转型光电 CPO，共筑 AI 全栈护城河

Investment Rating - The report does not explicitly state an investment rating for the company Core Insights - The company reported a consolidated revenue of NT$177.915 billion for Q4 2025, representing a year-over-year increase of 9.6% and a quarter-over-quarter increase of 5.5% [2][9] - The gross margin for Q4 2025 was 19.5%, up 3.1 percentage points year-over-year and 2.4 percentage points quarter-over-quarter, primarily due to high capacity utilization in the ATM factories, product mix optimization, and favorable currency effects [2][9] - The company achieved a net profit attributable to shareholders of NT$14.713 billion in Q4 2025, reflecting a 58% year-over-year increase [10] Financial Performance Overview Q4 2025 Performance - Revenue reached NT$1779.15 billion, with a gross margin of 19.5% [2][9] - The semiconductor packaging segment (ATM) generated NT$1097.07 billion in revenue, a 24.2% year-over-year increase, with a gross margin of 26.3% [2][13] - The electronic manufacturing services segment (EMS) reported revenue of NT$689.91 billion, down 7.9% year-over-year, with a gross margin of 9.0% [2][20] Full Year 2025 Performance - Total revenue for 2025 was NT$6453.88 billion, an 8.4% year-over-year increase, with the ATM segment's revenue share rising to 60% [3][11] - The gross margin for the year was 17.7%, with a net profit of NT$406.58 billion, a 25% increase year-over-year [3][11] Business Segment Revenue Semiconductor Packaging (ATM) - Q4 2025 revenue was NT$1097.07 billion, with a gross margin of 26.3% [2][13] - The segment's revenue for 2025 was NT$3892.28 billion, a 19% year-over-year increase [18] Electronic Manufacturing Services (EMS) - Q4 2025 revenue was NT$689.91 billion, with a gross margin of 9.0% [20] - The segment's revenue for 2025 was NT$2590.79 billion, down 5% year-over-year [24] Performance Guidance Q1 2026 Guidance - The company expects a mild revenue decline of 5%-7% quarter-over-quarter for Q1 2026, with a gross margin decrease of 0.5-1 percentage points [4][25] Full Year 2026 Guidance - The company anticipates continued revenue growth, with ATM performance expected to outperform the logic semiconductor market [4][26] Market Outlook and Strategic Layout - The industry is in a long-term upward cycle driven by AI, with growth extending to edge devices [5][30] - Capital expenditures for 2026 are projected to approach US$4.9 billion, with a significant portion allocated to advanced capacity [5][30] - The company is expanding its operations in Penang, Malaysia, to meet global manufacturing demands [5][31]