STMicroelectronics (STMPA): UBS sees STMicroelectronics positioned for material FY27 earnings upside as end markets recover and datacenter exposure scales.

Overview

This earnings-focused update argues that STMicroelectronics has a more attractive risk/reward profile than in recent quarters. UBS expects a cyclical recovery, structural datacenter growth and cost discipline to drive above-consensus earnings and a substantial improvement in profitability through FY27 and beyond.

Core views

UBS argues that expectations for STMicroelectronics have reset while management commentary and end-market trends have improved. Ahead of Q3 results on 29 October, it expects Q3 2026 revenue to be about 2% above both company guidance and consensus, with gross margin in line. For 2026, UBS forecasts revenue growth of about 24% year-on-year versus 22% consensus and adjusted EBIT 6% above consensus. The immediate catalyst is a stronger-than-normal Q4 outlook. UBS expects Q4 revenue to rise about 12% quarter-on-quarter, compared with consensus expectations of 10% and normal seasonality of roughly 7%. It attributes this to robust automotive demand from customers including Tesla and Mobileye, improving demand from European OEMs, a strong datacenter ramp and ongoing industrial recovery. UBS estimates Q4 gross-margin guidance near 38.5%, with its 38.3% forecast above consensus at 38.1%; this could leave Q4 EBIT about 10% above consensus. The central structural growth thesis is expanding datacenter exposure. UBS forecasts silicon-photonics revenue of about US$2.0bn in 2027E and US$2.5bn in 2028E. Including AI power products, it forecasts datacenter revenue of about US$2.5bn in 2027E, above management's current target of “well above US$2bn” and equal to about 14% of group sales. Datacenter revenue is projected to rise to roughly US$3.8bn, or 19% of group sales, in 2028E. UBS also identifies LEO growth as a structural contributor, while noting that management is unlikely to revise medium-term guidance at this stage. UBS expects operating leverage and cost discipline to support a gradual margin recovery. It forecasts gross margin at 36.4% in 2026E, 41.2% in 2027E and 45.3% in 2028E, with gross margin exceeding 40% by Q3 2027E. The report sees further upside if silicon-photonics and silicon-carbide demand develops more rapidly than expected. Its adjusted EBIT forecast rises from US$1.316bn in 2026E to US$3.488bn in 2027E and US$5.114bn in 2028E; diluted EPS is projected at US$1.40, US$3.16 and US$4.63, respectively. The FY27 EPS forecast is about 19.9% above consensus, and UBS expects approximately 56% EPS CAGR over 2026-29E. Valuation supports the positive stance in UBS's view. The report says STM trades at 17x 2027E and 11x 2028E P/E, below its historical average forward multiple of about 18x despite the expected earnings trajectory, datacenter exposure and margin recovery. UBS retains its €80 target price, based on a DCF using a 9% WACC and 2% terminal growth rate. The DCF produces enterprise value of US$84.05bn and an equity value of €80 per share; value beyond 2031 represents 85.8% of enterprise value.

Analysis framework

UBS compares its quarterly and annual revenue, margin, EBIT and EPS forecasts with company guidance and market consensus, then builds its case through end-market demand, segment-level growth and operating-margin recovery. It values the company with a discounted-cash-flow model and cross-checks the valuation against forward P/E multiples and historical trading levels.

Methodology notes

• Valuation methodsDCF (Discounted Cash Flow)

  Discounted cash flow valuation

  UBS discounts projected cash flows using a 9% WACC and 2% terminal growth rate to derive its €80 per-share target price.

• Valuation methodsP/E and PEG Valuation

  Forward P/E comparison

  The report compares STM's 2027E and 2028E P/E multiples with its historical average forward multiple to support its re-rating argument.

• Industry AnalysisUpstream-Midstream-Downstream Transmission

  End-market demand transmission

  UBS links automotive, industrial, AI-power, silicon-photonics and datacenter demand to STM's segment revenues, margins and earnings.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• STMicroelectronics (STMPA.PA)

  Primary covered company; UBS expects improving end-market demand, datacenter growth and margin recovery to drive earnings upside.

  Strengths

  Exposure to automotive, industrial, silicon photonics, AI power products and LEO; projected datacenter revenue growth and recovering margins.

  Weaknesses

  Earnings remain sensitive to semiconductor-cycle conditions and execution in growth products.

  Comparison

  UBS FY27 diluted EPS forecast of US$3.16 is 19.9% above consensus of US$2.63; 2027E P/E is described as below the historical average forward multiple.

  Risks

  GDP growth, US dollar/euro exchange-rate weakness, product life cycles, capacity, semiconductor supply-demand and utilization, and delivery of new smartphone image-sensing products.

Key data

• Q4 2026 revenue growthUBS +12% q-o-q; consensus +10%; normal seasonality about +7%UBS expects stronger automotive, datacenter and industrial demand.
• Q4 2026 gross marginUBS 38.3%; consensus 38.1%UBS sees guidance around 38.5% and potential Q4 EBIT about 10% above consensus.
• FY27 diluted EPSUS$3.1619.9% above consensus of US$2.63.
• Datacenter revenueAbout US$2.5bn in 2027E; about US$3.8bn in 2028EEquivalent to about 14% and 19% of group sales, respectively.
• Gross margin36.4% in 2026E; 41.2% in 2027E; 45.3% in 2028EUBS expects gross margin to exceed 40% by Q3 2027E.
• DCF assumptions9% WACC; 2% terminal growth rateSupports a €80 per-share target price.

Impact & implications

UBS believes the combination of a cyclical recovery, rising high-margin datacenter revenue and margin expansion can move STM's earnings above consensus and support a valuation re-rating. The report's €80 target price remains unchanged, with forecast price appreciation of 78.3% from the €44.88 price on 24 September 2026.

Risks

• A weaker macroeconomic environment or lower GDP growth could impair semiconductor demand.
• Further weakening of the US dollar against the euro could affect results.
• Technology product-life-cycle shifts, capacity growth, supply-demand conditions and utilization rates are risks to semiconductor growth.
• UBS identifies successful delivery of new image-sensing products into smartphones as STM's largest medium-term risk.
• Faster-than-expected silicon-photonics and silicon-carbide demand would create upside, implying execution and demand uncertainty around these growth areas.

What to watch

• Q3 results on 29 October and whether revenue exceeds guidance and consensus.
• Q4 revenue guidance, particularly whether growth exceeds normal seasonal patterns.
• Gross-margin guidance and the path toward gross margin above 40% by Q3 2027E.
• The pace of automotive, European OEM, industrial and datacenter demand recovery.
• Progress in silicon photonics, AI power products, silicon carbide and LEO-related revenue.