Key points for investors:
- Q1 (pro forma excluding the divested timing business) came in slightly ahead of guidance: revenue ~JPY 369–372 billion, gross margin ~59%, operating margin ~33.5% and operating profit ~JPY 123–125 billion. Yen translation helped results. Management describes Q1 as "good" and stronger than prior guidance.
- Demand environment is strong across automotive, data-center AI and client-side AI, and IIoT. Automotive (R-Car Gen4 ramp, legacy R-Car and MCUs) and digital power/memory-interface products are notable growth drivers. Altium ARR growth slowed slightly as it prioritizes platform adoption and account expansion; Renesas 365 is now generally available.
- Supply is the principal constraint. Management cites a Taiwan earthquake, subsequent supply disruptions and localized bottlenecks (wafer supply, test equipment availability) that limited shipments in Q1. They are aggressively addressing bottlenecks (e.g., pulling in wafers, procuring testers) and expect gradual supply increases with more material relief into Q2/Q3 and clearer contribution from internal investments from next year onward.
- CapEx and capacity: a JPY 94 billion investment decision was announced, with ~80% aimed at capacity expansion (front end 8" at Kofu/Naka/Saijo and backend/package/module investments). Management expects production from these investments to ramp later — material production impact and associated depreciation are expected to begin around FY2028.
- Utilization and inventory: wafer-input utilization ~55% in Q1 (up ~6 points from prior quarter); company target Days of Inventory (DOI) ~150 days with a deliberate buffer policy. Channel inventory building will continue into Q2 to support short lead times, though automotive sell-through has reduced some intended channel buildup in Q1.
- Q2 guidance (non-GAAP, excluding timing business): revenue midpoint JPY 388 billion, gross margin ~57.0%, operating margin ~29.0% (FX, product/currency mix, and higher manufacturing & operating costs drive margin contraction Q-on-Q). Management flags one-time/timing effects and an expected ~JPY 100 billion quarterly OPEX run-rate in the near term.
- Risks & considerations: macro uncertainty (energy prices, auto demand), continued supply-side constraints (components, testers, wafers, PCBs), rising utility and labor costs that pressure margins, and comparability noise from the timing-business divestment. Upside depends on successful execution in relieving supply constraints and managing mix and costs.
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