As of March 6, 2026, the global semiconductor industry is emerging from a protracted "inventory digestion" phase that defined much of 2024 and 2025. At the heart of this recovery is onsemi (Nasdaq: ON), a company that has undergone a radical transformation from a broad-based commodity chipmaker into a specialized powerhouse in "intelligent power and sensing."

The focus on onsemi today is driven by its strategic pivot toward Silicon Carbide (SiC) and its resilience in a volatile automotive and industrial landscape. Under the leadership of CEO Hassane El-Khoury, the company has executed an aggressive "Fab-Right" strategy, shedding underperforming assets to focus on high-margin, high-growth technologies. This deep dive explores how onsemi is positioning itself to lead the next generation of electric vehicles (EVs), AI-driven data centers, and industrial automation.

Historical Background

The story of onsemi begins on August 4, 1999, when it was spun off from Motorola’s Semiconductor Components Group. Initially headquartered in Phoenix, Arizona, the company (then known as ON Semiconductor) inherited a massive portfolio of discrete, logic, and analog devices. The early years were marked by survival, as the company navigated the 2001 tech bust and worked to modernize its manufacturing footprint.

Over the next two decades, onsemi utilized strategic M&A to climb the value chain. Key milestones include the 2008 acquisition of AMI Semiconductor, the 2011 purchase of SANYO Semiconductor, and the transformative $2.4 billion acquisition of Fairchild Semiconductor in 2016, which catapulted the company into the upper echelons of power management leaders.

In 2021, the company rebranded as onsemi to reflect a new strategic focus. That same year, it acquired GT Advanced Technologies (GTAT), a move that proved visionary by providing the company with internal control over its Silicon Carbide (SiC) substrate supply chain, a critical component for the burgeoning EV market.

Business Model

onsemi operates through three primary segments, each targeting high-value, high-growth "megatrends" in the electronics industry:

1. Power Solutions Group (PSG): The company’s largest revenue driver, accounting for roughly 47% of sales. It focuses on power management components, including SiC modules, MOSFETs, and IGBTs, which are essential for EV drivetrains and energy infrastructure.
2. Advanced Solutions Group (ASG): This segment provides mixed-signal, analog, and logic solutions for automotive, industrial, and medical markets. This includes the Treo Platform, a 65nm BCD process used in precision sensing and power control.
3. Intelligent Sensing Group (ISG): A leader in image sensors, ISG serves the automotive (ADAS and cabin monitoring) and industrial sectors. onsemi holds a dominant market share in automotive image sensors, which are critical for autonomous driving.

The company’s customer base is heavily weighted toward Automotive (approx. 52%) and Industrial (approx. 28%), with the remainder coming from the AI data center and consumer markets.

Stock Performance Overview

Over the last decade, onsemi has been a volatile but rewarding investment.

• 10-Year View: From 2016 to early 2026, the stock has grown from roughly $10 to over $60. Much of this growth occurred during the "SiC gold rush" of 2021–2023, where shares hit an all-time high of approximately $108.09 in August 2023.
• 5-Year View: The stock saw a massive acceleration under the current management team, outperforming many peers in the PHLX Semiconductor Index (SOX) between 2021 and 2023.
• Recent Performance: The 2024–2025 period was difficult. As EV demand softened and industrial inventories swelled, the stock entered a consolidation phase, trading between $50 and $75. As of March 2026, the stock is showing signs of a fresh breakout, supported by a newly launched $6 billion share repurchase program.

Financial Performance

In early 2026, onsemi is emerging from a cyclical trough.

• Revenue: After peaking at $8.25 billion in 2023 and dipping to approximately $6.0 billion in 2025, revenue is projected to rebound to $9.0 billion by the end of the 2026/2027 cycle.
• Margins: Management’s "Fab-Right" strategy has been successful in protecting profitability. Non-GAAP gross margins remain robust at 45%+, with a long-term target of 53% as 200mm SiC production scales.
• Cash Flow & Debt: The company reported a free cash flow of $1.4 billion in 2025 (24% of revenue). This strong liquidity position allowed for the massive $6 billion buyback program announced in late 2025, aimed at reducing share count and boosting EPS.
• Valuation: Trading at a Forward P/E of approximately 23x, onsemi is viewed as reasonably valued compared to its 5-year historical average, particularly given the expected EPS rebound in late 2026.

Leadership and Management

The leadership team is widely credited with onsemi’s structural improvement:

• Hassane El-Khoury (President & CEO): Since joining in late 2020, El-Khoury has been the architect of the "intelligent power and sensing" pivot. His disciplined approach to capital allocation and "asset-right" manufacturing has revitalized the company's reputation on Wall Street.
• Thad Trent (EVP & CFO): Also joining in 2021, Trent has overseen the divestiture of low-margin fabs and the implementation of a rigorous financial model focused on free cash flow and margin expansion.
• Simon Keeton (Group President, PSG): A veteran of the company, Keeton leads the high-growth Power Solutions Group and is currently managing the transition to 200mm SiC wafers, a critical technical hurdle for the company.

Products, Services, and Innovations

The crown jewel of onsemi’s current portfolio is the EliteSiC brand. Silicon Carbide is superior to traditional silicon for high-voltage applications because it is more efficient, handles higher temperatures, and allows for smaller, lighter power systems.

• EliteSiC M3e MOSFETs: Launched in late 2024, the M3e generation reduced conduction losses by 30%, making it the industry standard for 800V EV traction inverters.
• 200mm (8-inch) SiC Transition: In 2026, onsemi successfully ramped its 200mm SiC production in Bucheon, South Korea. Moving from 150mm to 200mm wafers increases the number of chips per wafer by ~80%, providing a massive cost advantage.
• AI Power Stages: Recognizing the massive power requirements of AI GPUs (like those from Nvidia), onsemi has developed high-density smart power stages that are now being integrated into hyperscale data centers.

Competitive Landscape

onsemi operates in a highly competitive market, dominated by European and US giants:

• STMicroelectronics (STM): The current market leader in SiC, largely due to its long-standing relationship with Tesla. STMicro is also ramping 200mm production in Italy.
• Infineon Technologies (IFNNY): The overall global leader in power semiconductors. Infineon has a broader portfolio and is aiming for 30% SiC market share by 2030.
• Wolfspeed (WOLF): A pure-play SiC competitor that focuses on material supply. While a leader in 200mm substrate production, Wolfspeed has struggled with manufacturing yields, giving integrated players like onsemi an opening.

onsemi’s competitive edge lies in its vertical integration (controlling the SiC process from boule to module) and its dominant position in automotive image sensors.

Industry and Market Trends

The semiconductor sector in 2026 is defined by several key macro drivers:

• 800V EV Architectures: The industry is moving from 400V to 800V systems to enable faster charging and longer range. This shift heavily favors SiC technology over traditional silicon.
• Industrial Automation 2.0: After a lull, industrial demand is returning as factories invest in energy-efficient robotics and motion control.
• The AI Pivot: Beyond logic chips, AI data centers require massive power delivery infrastructure. onsemi is positioning its SiC and smart power solutions to capture this high-margin niche.

Risks and Challenges

Despite the recovery, onsemi faces several significant headwinds:

• China Exposure: onsemi derives approximately 30% of its revenue from China. While it has design wins in 60% of Chinese EV models, geopolitical tensions and potential trade tariffs remain a primary risk.
• Inventory Digestion: While the "worst is over," certain industrial sub-sectors still have high inventory levels that could dampen revenue growth in the first half of 2026.
• Manufacturing Execution: The transition to 200mm SiC wafers is technically challenging. Any delays in yield improvements could hurt gross margins.

Opportunities and Catalysts

• $2 Billion Czech Expansion: In late 2025, the EU approved a €450 million grant to support onsemi’s $2 billion vertically integrated SiC plant in Roznov, Czech Republic. This facility will be a major growth driver for the European automotive market by 2027.
• AI Data Center Growth: If AI power revenue continues to scale, it could provide a "third leg" of growth alongside Automotive and Industrial.
• Capital Returns: The $6 billion buyback is a massive catalyst for EPS growth, especially if the stock remains at these valuation levels.

Investor Sentiment and Analyst Coverage

Wall Street sentiment as of March 2026 is "Moderate Buy." Analysts have largely confirmed that the cyclical bottom was reached in late 2025.

• Bullish Views: Analysts highlight onsemi’s superior free cash flow and the successful 200mm ramp. Many have set price targets in the $95–$110 range.
• Bearish Views: Skeptics point to the slowing growth rate of the global EV market and the potential for increased competition from Chinese SiC suppliers. Lower-end price targets sit around $64.

Regulatory, Policy, and Geopolitical Factors

• CHIPS Act: onsemi is a major beneficiary of the US CHIPS Act’s 25% investment tax credit for its East Fishkill, NY fab.
• European Chips Act: The Czech expansion is a flagship project under the European Chips Act, securing onsemi’s position as a critical infrastructure provider for the EU’s green transition.
• Global Trade: Potential shifts in US trade policy toward China remain a "wildcard" that could affect onsemi's supply chain and customer base in the Asia-Pacific region.

Conclusion

As of March 2026, onsemi (Nasdaq: ON) stands as a leaner, more focused version of its former self. Through the "Fab-Right" strategy and the acquisition of GTAT, the company has successfully transitioned into a premier provider of intelligent power and sensing technologies.

While the 2024–2025 downturn tested the company’s resilience, the start of 2026 suggests a new era of growth driven by 200mm Silicon Carbide production and the emerging AI power market. For investors, onsemi offers a balanced play on the recovery of the semiconductor sector, backed by strong free cash flow and a massive capital return program. However, watchers must remain mindful of the geopolitical risks associated with its China exposure and the technical hurdles of the 200mm transition.

Disclaimer: This content is intended for informational purposes only and is not financial advice.