Soitec (SOI) recovers from yesterday's sharp depreciation
Soitec shares advanced 5.3% on 2026-06-11, trading at €132.05, as the French semiconductor materials manufacturer rebounded from a significant depreciation. The move follows a challenging session yesterday, which saw the stock fall sharply.
This recovery comes after Soitec experienced a depreciation of more than 13% on Wednesday, June 10. That decline occurred when Jefferies downgraded its recommendation on the stock from "hold" to "underperform", citing concerns over valuation, a disconnect between the share price and fundamentals, and projected lower mobile phone deliveries impacting RF-SOI wafer demand. The previous day's close was €125.35.
Despite recent analyst caution, Soitec continues to benefit from positive momentum surrounding its Photonics-SOI technology, a critical growth engine for artificial intelligence data centres. The company recently announced it surpassed $100 million in revenue for this activity in fiscal year 2026, ahead of its own projections, and reported a 25% sequential revenue growth in the fourth quarter of 2026, exceeding forecasts. Soitec also returned to positive free cash flow for the full fiscal year.
Why Soitec's AI division is driving a market re-evaluation
Soitec is a French company that manufactures advanced semiconductor materials, specifically ultra-thin silicon wafers. These sophisticated plates form the fundamental building blocks for electronic chips found in everything from mobile phones, where their RF-SOI technology is used, to the powerful data centres powering artificial intelligence, a segment served by their Photonics-SOI solution. Essentially, Soitec provides the critical, underlying technological foundations for the electronics industry.
Today's upward movement in Soitec's shares reflects a significant re-evaluation by the market of the company's growth trajectory, primarily driven by exceptional performance within its Artificial Intelligence division. Just yesterday, on 10 June, the stock saw a sharp decline of over 13% after an analyst downgrade cited concerns about mobile phone shipments. However, the market is now focusing on the stellar results from Soitec's Photonics-SOI technology, which is crucial for AI data centres. This segment not only surpassed $100 million in revenue for the fiscal year 2026 ahead of schedule but also reported a 25% sequential revenue growth in the fourth quarter of 2026, comfortably beating expectations.
This positive shift in investor sentiment has seen Soitec's shares advance by 5.3%, now trading at €132.05, a notable rebound from yesterday's close of €125.35.
Imagine a restaurant with two popular dishes. If one dish receives a lukewarm review, sales might dip. But if the other, more innovative dish suddenly becomes a sensation, exceeding all expectations and drawing in new customers, the restaurant's overall prospects look much brighter, quickly overshadowing any earlier disappointment.

Soitec
Soitec S.A. (SOI) is a French semiconductor company that engineers and produces advanced materials for microelectronics. Its specialised silicon-on-insulator (SOI) wafers are integral to manufacturing chips found in a wide array of devices, from smartphones, tablets, and computers to IT servers, data centres, and automotive electronics. The company’s product portfolio includes Fully Depleted Silicon-On-Insulator (FD-SOI) for automotive radar and processors, alongside PD-SOI and FinFET-SOI for high-performance computing. Soitec also supplies RF-SOI substrates for 4G LTE and 5G sub-6 GHz/mmWave smartphone front-end modules, and power-SOI products for integrating high and low voltage functions in automotive and industrial power ICs. Further offerings include Smart Photonics-SOI for optical networking, Smart Imager-SOI for 3D image sensing, Auto Smartsic for green mobility, Connect RF-GaN for 5G infrastructure, and Gallium Nitride (GAN) Epitaxial wafers for energy-efficient power management. Established in 1992, Soitec S.A. is headquartered in Bernin, France.