In the fast-evolving semiconductor industry, two companies stand out: STMicroelectronics N.V. (STM) and Silicon Laboratories Inc. (SLAB). Both firms are pivotal players in a market defined by innovation and competition, with overlapping interests in mixed-signal solutions and microcontrollers. While STM focuses on a broad spectrum of applications from automotive to industrial, SLAB carves out a niche with its IoT-centric products. Join me as I analyze which of these companies presents a more compelling opportunity for investors.

Table of contents
Company Overview
STM Overview
STMicroelectronics N.V. (STM) is a leading global semiconductor company, headquartered in Schiphol, the Netherlands. Established in 1987, STM focuses on the design, development, and manufacturing of a wide range of semiconductor products. The company operates through three key segments: Automotive and Discrete Group, Analog, MEMS and Sensors Group, and Microcontrollers and Digital ICs Group. STM serves diverse markets including automotive, industrial, and personal electronics, leveraging its robust portfolio to address the growing demand for advanced technology solutions. With a market capitalization of approximately $20.5B, STM is well-positioned in the competitive semiconductor landscape, driven by its commitment to innovation and customer-centric solutions.
SLAB Overview
Silicon Laboratories Inc. (SLAB), founded in 1996 and based in Austin, Texas, is a fabless semiconductor company specializing in analog-intensive mixed-signal solutions. With a market cap of about $4.2B, SLAB develops wireless microcontrollers and sensors that are integral to Internet of Things (IoT) applications, including smart home devices and industrial automation. The company emphasizes innovation in its product offerings, catering to a variety of sectors such as consumer electronics and medical instrumentation. By utilizing a direct sales force and a global network of distributors, SLAB continues to expand its presence in the rapidly evolving semiconductor market.
Key similarities and differences
Both STM and SLAB operate within the semiconductor industry, yet their business models differ significantly. STM has a broader product range catering to various sectors, including automotive and industrial markets, while SLAB focuses primarily on IoT applications and analog solutions. This distinction highlights STM’s diversified approach versus SLAB’s targeted strategy in the rapidly growing IoT space.
Income Statement Comparison
The following table presents a comparative analysis of the income statements for STMicroelectronics N.V. (STM) and Silicon Laboratories Inc. (SLAB) for their most recent fiscal years.
| Metric | STM | SLAB |
|---|---|---|
| Market Cap | 20.5B | 4.2B |
| Revenue | 13.3B | 584.4M |
| EBITDA | 3.7B | -104.9M |
| EBIT | 1.96B | -153.5M |
| Net Income | 1.56B | -191.0M |
| EPS | 1.73 | -5.93 |
| Fiscal Year | 2024 | 2024 |
Interpretation of Income Statement
In the most recent fiscal year, STMicroelectronics demonstrated robust performance with a revenue of 13.3B and a net income of 1.56B, despite a slight decline compared to the previous year. Their EBITDA margin remains strong at approximately 27.9%. In contrast, Silicon Laboratories reported a revenue drop to 584.4M, leading to a net loss of 191.0M, reflecting ongoing operational challenges. The company’s EBITDA was negative, indicating significant cost pressures. The contrast in performance highlights STM’s strength in the semiconductor market versus SLAB’s struggles, presenting a cautionary tale for investors focused on growth versus stability.
Financial Ratios Comparison
The following table provides a comparative overview of the most recent financial ratios for STMicroelectronics (STM) and Silicon Laboratories (SLAB). This will help investors evaluate their financial health and performance.
| Metric | STM | SLAB |
|---|---|---|
| ROE | 8.92% | -17.69% |
| ROIC | 6.34% | -18.15% |
| P/E | 14.43 | -21.53 |
| P/B | 1.29 | 3.81 |
| Current Ratio | 3.11 | 6.15 |
| Quick Ratio | 2.37 | 5.07 |
| D/E | 0.18 | 0.01 |
| Debt-to-Assets | 12.80% | 4.49% |
| Interest Coverage | 19.72 | -126.33 |
| Asset Turnover | 0.54 | 0.48 |
| Fixed Asset Turnover | 1.22 | 4.42 |
| Payout Ratio | 18.50% | 0.00% |
| Dividend Yield | 1.28% | 0.00% |
Interpretation of Financial Ratios
STMicroelectronics shows solid financial health with a positive ROE and ROIC, indicating effective capital utilization. Its current and quick ratios above 3 suggest strong liquidity. Conversely, Silicon Laboratories struggles with negative profitability metrics, reflected in its negative P/E and ROE. Additionally, its high debt-to-assets ratio raises concerns about financial stability, making it a much riskier investment compared to STM.
Dividend and Shareholder Returns
STMicroelectronics N.V. (STM) pays a dividend with a yield of 1.28% and a payout ratio of approximately 18.5%. The company has maintained a steady dividend growth trend, indicating a commitment to returning value to shareholders while managing its cash flows effectively. Conversely, Silicon Laboratories Inc. (SLAB) does not pay dividends, as it prioritizes reinvestment for growth, evidenced by its negative net income. SLAB’s strategy focuses on R&D and acquisitions, which may align with long-term shareholder value creation. Overall, STM’s dividend policy supports sustainable value, while SLAB’s approach emphasizes growth potential.
Strategic Positioning
In the semiconductor market, STMicroelectronics N.V. (STM) holds a stronger position with a market cap of $20.5B compared to Silicon Laboratories Inc. (SLAB) at $4.2B. STM’s diversified product segments address automotive, industrial, and consumer markets, enhancing its competitive edge. In contrast, SLAB focuses on analog-intensive mixed-signal solutions for IoT applications, facing increased pressure from technological advancements and competition. Both companies are navigating a landscape of rapid innovation and evolving consumer needs, which may influence their market shares moving forward.
Stock Comparison
In this section, I will analyze the stock price movements of STMicroelectronics N.V. (STM) and Silicon Laboratories Inc. (SLAB) over the past year, highlighting key trading dynamics and price fluctuations.

Trend Analysis
STMicroelectronics N.V. (STM) Over the past year, STM has experienced a significant price change of -48.46%. This indicates a bearish trend, supported by a deceleration in the trend’s acceleration status. The stock reached a notable high of 47.17 and a low of 18.49, reflecting substantial volatility with a standard deviation of 8.0. More recently, from September 14, 2025, to November 30, 2025, the price change was -11.27%, with a standard deviation of 2.37, further confirming the bearish sentiment as the trend continues to slope negatively.
Silicon Laboratories Inc. (SLAB) Conversely, SLAB has shown a positive price change of 5.8% over the past year, categorizing it within a bullish trend despite a recent deceleration in acceleration. The stock has fluctuated between a high of 155.33 and a low of 89.82, with a standard deviation of 13.72 indicating notable volatility. In the recent period from September 14, 2025, to November 30, 2025, SLAB’s price decreased by 4.63%, with a standard deviation of 5.6, suggesting a shift towards a more cautious market behavior as the trend slope remains negative.
In summary, while SLAB maintains a bullish outlook overall, the recent price movements signal a potential cautious sentiment. In contrast, STM’s bearish trend presents significant risks that investors should consider.
Analyst Opinions
Recent recommendations for STMicroelectronics N.V. (STM) indicate a consensus “buy” rating, with analysts highlighting strong performance metrics, particularly in return on assets and price-to-book ratios. Notably, analysts such as those from Jefferies and Morgan Stanley have underscored STM’s growth potential amid a robust semiconductor market. In contrast, Silicon Laboratories Inc. (SLAB) holds a “sell” rating, with concerns raised by analysts from Barclays regarding low return on equity and overall financial health. Thus, the consensus for STM leans positively while SLAB faces a more cautious outlook.
Stock Grades
As we analyze the recent stock grades for STM and SLAB, we can observe a steady outlook from prominent grading companies.
STMicroelectronics N.V. Grades
| Grading Company | Action | New Grade | Date |
|---|---|---|---|
| TD Cowen | Maintain | Buy | 2025-10-24 |
| Susquehanna | Maintain | Positive | 2025-10-22 |
| Susquehanna | Maintain | Positive | 2025-07-25 |
| Susquehanna | Maintain | Positive | 2025-07-22 |
| Baird | Upgrade | Outperform | 2025-07-22 |
| Jefferies | Upgrade | Buy | 2025-02-19 |
| Bernstein | Downgrade | Market Perform | 2025-02-05 |
| Susquehanna | Maintain | Positive | 2025-01-31 |
| Barclays | Downgrade | Underweight | 2025-01-22 |
| JP Morgan | Downgrade | Neutral | 2024-12-09 |
Silicon Laboratories Inc. Grades
| Grading Company | Action | New Grade | Date |
|---|---|---|---|
| Susquehanna | Maintain | Neutral | 2025-08-06 |
| Morgan Stanley | Maintain | Equal Weight | 2025-08-06 |
| Barclays | Maintain | Equal Weight | 2025-08-05 |
| Susquehanna | Maintain | Neutral | 2025-07-22 |
| Stifel | Maintain | Buy | 2025-07-18 |
| Keybanc | Maintain | Overweight | 2025-07-08 |
| Benchmark | Maintain | Buy | 2025-05-27 |
| Needham | Maintain | Buy | 2025-05-14 |
| Benchmark | Maintain | Buy | 2025-05-14 |
| Susquehanna | Maintain | Neutral | 2025-05-14 |
In summary, STM demonstrates a mix of maintained and upgraded ratings, indicating a stable and somewhat optimistic outlook. On the other hand, SLAB shows a consistent pattern of maintenance across its grades, reflecting a balanced but cautious perspective from analysts.
Target Prices
The consensus target prices for the two companies indicate positive expectations from analysts.
| Company | Target High | Target Low | Consensus |
|---|---|---|---|
| STMicroelectronics N.V. | 45 | 22 | 33.38 |
| Silicon Laboratories Inc. | 165 | 130 | 147.5 |
For STMicroelectronics (STM), analysts expect a consensus target of 33.38, significantly higher than the current price of 22.99. Similarly, Silicon Laboratories (SLAB) has a consensus target of 147.5, well above its current price of 127.58, suggesting a bullish outlook for both companies.
Strengths and Weaknesses
The following table outlines the strengths and weaknesses of STMicroelectronics N.V. (STM) and Silicon Laboratories Inc. (SLAB) based on the most recent data.
| Criterion | STMicroelectronics N.V. (STM) | Silicon Laboratories Inc. (SLAB) |
|---|---|---|
| Diversification | High (multiple segments) | Moderate (focus on IoT) |
| Profitability | Strong (Net Margin: 24.4%) | Weak (Net Margin: -4.4%) |
| Innovation | High (advanced semiconductor tech) | Moderate (IoT-oriented solutions) |
| Global presence | Strong (operates globally) | Moderate (focus on US & China) |
| Market Share | Significant (growing market) | Limited (niche market) |
| Debt level | Low (Debt-to-Equity: 0.19) | Very low (Debt-to-Equity: 0.05) |
Key takeaways reveal that STMicroelectronics boasts higher profitability and global presence compared to Silicon Laboratories, which struggles with profitability issues but maintains a low debt level.
Risk Analysis
In the following table, I outline the potential risks associated with STMicroelectronics N.V. (STM) and Silicon Laboratories Inc. (SLAB).
| Metric | STM | SLAB |
|---|---|---|
| Market Risk | Medium | High |
| Regulatory Risk | Medium | High |
| Operational Risk | Low | High |
| Environmental Risk | Low | Medium |
| Geopolitical Risk | Medium | High |
In synthesizing the risks, both companies face significant market and regulatory challenges, especially in a rapidly evolving tech landscape. SLAB’s operational risks are pronounced due to ongoing financial struggles, evidenced by negative profit margins in recent fiscal years.
Which one to choose?
In comparing STMicroelectronics N.V. (STM) and Silicon Laboratories Inc. (SLAB), the fundamentals present a clear distinction. STM boasts a strong net profit margin of 11.73% and a favorable return on equity (ROE) of 25.17%, paired with a solid B+ rating from analysts. Conversely, SLAB is struggling, with significant negative profit margins and a C- rating, indicating weaker financial health. STM’s stock trend is currently bearish with a notable price decline of 48.46%, while SLAB’s trend appears bullish, albeit with a recent dip of 4.63%.
Given these factors, investors focused on growth may prefer STM for its robust fundamentals, whereas those valuing stability might find potential in SLAB, despite its recent challenges. However, be cautious of industry risks such as competition and supply chain issues that could impact both companies.
Disclaimer: This article is not financial advice. Each investor is responsible for their own investment decisions.
Go further
I encourage you to read the complete analyses of STMicroelectronics N.V. and Silicon Laboratories Inc. to enhance your investment decisions:
