Soitec (SOI) Q3 2025 TU earnings summary

Executive summary

• Q3 2025 revenue was €226 million, down 6% year-on-year reported and 10% at constant exchange rates and perimeter, with a 5% positive currency impact and a minor negative scope effect from the Dolphin Design disposal.

• Mobile Communications returned to year-on-year growth, driven by smartphone market recovery, RF-SOI restocking, and strong POI traction, with Q3'25 revenue at €154 million, up 11% year-on-year at constant exchange rates and perimeter.

• Automotive & Industrial divisions saw a 47% year-on-year revenue decline due to weak automotive demand and inventory adjustments, with Q3'25 revenue at €25 million.

• Edge & Cloud AI revenue fell 30% year-on-year, impacted by seasonality and Imager-SOI phase-out, but Photonics-SOI showed strong growth; Q3'25 revenue was €45-47 million.

• Nine-month 2025 revenue totaled €564 million, down 12%-13% year-on-year at constant exchange rates and perimeter.

Financial highlights

• Q3 2025 revenue: €226 million, down 6% reported and 10% at constant exchange rates and perimeter.

• Mobile Communications revenue: €154 million, up 11% year-on-year at constant exchange rates and perimeter.

• Automotive & Industrial revenue: €25 million, down 47% year-on-year at constant exchange rates and perimeter.

• Edge & Cloud AI revenue: €45-47 million, down 30% year-on-year at constant exchange rates and perimeter.

• Fiscal year 2025 EBITDA margin expected at 32%-34%.

Outlook and guidance

• Fiscal year 2025 revenue outlook revised to a high single-digit percentage decline (previously flat) at constant exchange rate and perimeter.

• Q4 2025 expected to see strong recovery, supported by backlog, mobile market recovery, RF-SOI restocking, and continued POI and Photonics-SOI traction.

• Fiscal year 2026 growth expected to be limited due to ongoing market uncertainties and lack of visibility.

• Capital expenditures for FY25 to be around €230 million.

• EBITDA margin for FY25 guided to 32%-34%, down from previous 35%.