Best mid-cap semiconductor stocks to invest in 2025

Mid-cap semiconductor companies combine innovation leadership with significant growth potential, often specializing in critical niche markets that larger corporations overlook. These agile firms excel at developing cutting-edge technologies for emerging applications, from AI acceleration to advanced manufacturing processes.

Camtek provides essential metrology and inspection solutions that ensure semiconductor quality and manufacturing precision across global production facilities. Rambus specializes in high-performance memory interfaces and security technologies that power data centers and next-generation computing applications. Nova delivers advanced measurement and process control technologies that enable semiconductor manufacturers to optimize production efficiency and yield.

These mid-cap semiconductor leaders represent compelling investment opportunities as the industry continues its rapid evolution in 2025. Their specialized expertise and market positions make them well-suited to capitalize on growing demand for advanced semiconductor solutions across multiple technology sectors.

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Before we dive into each company, let`s take a look at how your investment would have performed if you had invested in stocks mentioned in this article.

Now, let`s take a closer look at each of the companies:

  • Camtek (NYSE:CAMT)

    Camtek Ltd. is a leading provider of metrology and inspection solutions for the semiconductor industry, specializing in advanced imaging and measurement technologies. Founded in 1987 and headquartered in Migdal HaEmek, Israel, the company has established itself as a key player in semiconductor process control. Camtek`s systems are used for wafer inspection, 3D metrology, and defect detection, helping manufacturers improve yield and enhance production efficiency.

    With a strong focus on high-precision optical and software-driven inspection, Camtek serves global semiconductor foundries, integrated device manufacturers, and outsourced semiconductor assembly and test (OSAT) providers. Its cutting-edge technologies enable the detection of minute defects in advanced packaging, microelectromechanical systems (MEMS), and compound semiconductors. By continuously innovating and expanding its capabilities, Camtek supports the semiconductor industry`s drive toward smaller, more powerful, and highly reliable electronic devices.

    Camtek financial statements

    Analysts recommendation: 1.3

    Financial Health

    • Return on assets (ROA): 7.51%
    • Return on equity (ROE): 8.76%
    • Return on investment (ROI): 4.36%

    Profitability

    • Gross margin: 49.76%
    • Operating margin: 25.67%
    • Net profit margin: 9.86%

    Growth

    • EPS (past 5 years): 34.36%
    • EPS (current): 1.01
    • EPS estimate (next quarter): 0.81
    • EPS growth (this year): 12.93%
    • EPS growth (next year): 2.93%
    • EPS growth (next 5 years): 9.98%
    • EPS growth (quarter-over-quarter): -275.49%
    • Sales growth (past 5 years): 26.21%
    • Sales growth (quarter-over-quarter): 12.2%

    💡 Why invest in Camtek?

    Camtek`s unique position in the electronics industry offers several potential advantages for investors seeking exposure to this vital sector:

    • Quality Control Assurance: Camtek's inspection and metrology solutions ensure semiconductor functionality by detecting defects early, preventing faulty components from disrupting electronics applications across advanced packaging.
    • Innovation Focus Strategy: Camtek's commitment to R&D keeps inspection tools ahead of manufacturing trends, developing solutions for miniaturization, heterogeneous integration, and growing complexity in next‑generation devices.
    • Global Partnership Network: Camtek partners with leading manufacturers worldwide, building a diversified client base and global reach that stabilizes revenue and positions the company to capture international growth opportunities.
    • Strong Track Record: Camtek's consistent financial performance and reinvestment into R&D support product leadership and scalable operations, positioning the company for sustained growth and durable competitive advantage.

    🐌 Key considerations before investing in Camtek

    However, before investing in Camtek, it`s crucial to consider the potential challenges they face:

    • Cyclicality of Demand: Electronics demand fluctuates with macro conditions; downturns reduce device spending and defer capacity investments, which can materially impact Camtek's order flow, revenue growth, and utilization rates.
    • Industry Competition Pressure: Camtek competes with established inspection and metrology providers, necessitating continuous innovation, superior accuracy, and faster throughput to defend market share against leading rivals and new entrants.
    • Geopolitical Risk Exposure: Global exposure creates vulnerability to geopolitical tensions, export controls, and trade wars, where supply chain and cross‑border logistics disruptions can hinder operations, deliveries, and profitability.
    • Technology Evolution Pace: Rapid manufacturing evolution requires timely adaptation of inspection solutions; falling behind node transitions, packaging formats, or process innovations risks product obsolescence and pressure on margins.

    Final thoughts on Camtek

    Camtek`s leadership in semiconductor inspection and metrology creates compelling opportunities for investors seeking exposure to essential quality control technologies. However, cyclical electronics demand, competitive pressures, and rapid technological evolution require careful evaluation before investment. Like a precision instrument that becomes more valuable as manufacturing grows complex, Camtek`s inspection expertise becomes increasingly critical as semiconductor technology advances.

  • Nova (NYSE:NVMI)

    Nova Ltd. is a leading provider of metrology solutions for the semiconductor manufacturing industry, specializing in advanced measurement and process control technologies. Founded in 1993 and headquartered in Rehovot, Israel, the company has grown into a global innovator, supporting semiconductor manufacturers with precise, high-speed measurement tools. Nova`s solutions enable chipmakers to enhance production efficiency, improve yield, and accelerate time-to-market in an increasingly complex semiconductor landscape.

    With a strong focus on materials metrology and optical and X-ray-based measurement technologies, Nova serves some of the world`s largest semiconductor foundries and integrated device manufacturers. The company`s advanced analytics and AI-driven insights help optimize fabrication processes, ensuring high-performance semiconductor devices. By continuously innovating and expanding its technological capabilities, Nova Ltd. plays a crucial role in advancing semiconductor manufacturing and enabling next-generation electronic devices.

    Nova financial statements

    Analysts recommendation: 1.38

    Financial Health

    • Return on assets (ROA): 8.52%
    • Return on equity (ROE): 23.58%
    • Return on investment (ROI): 12.52%

    Profitability

    • Gross margin: 57.1%
    • Operating margin: 28.43%
    • Net profit margin: 28.73%

    Growth

    • EPS (past 5 years): 35.31%
    • EPS (current): 7.69
    • EPS estimate (next quarter): 2.12
    • EPS growth (this year): 18.8%
    • EPS growth (next year): 10.62%
    • EPS growth (next 5 years): 16.99%
    • EPS growth (quarter-over-quarter): 18.92%
    • Sales growth (past 5 years): 24.49%
    • Sales growth (quarter-over-quarter): 25.5%

    💡 Why invest in Nova?

    Like a precision watchmaker in the digital age, Nova delivers the critical measurement tools that keep semiconductor manufacturing running flawlessly:

    • Critical Technology Backbone: Nova`s metrology solutions provide precise measurements that ensure chips meet stringent performance standards in advanced manufacturing processes, making them indispensable for quality control.
    • Technology Leadership Position: Continuous R&D investments and cutting-edge optical and X-ray measurement technologies position Nova at the forefront of semiconductor metrology and next-generation manufacturing processes.
    • Market Position Strength: Nova serves leading semiconductor foundries and device manufacturers worldwide, creating diversified revenue streams and competitive advantages through deep customer relationships.
    • AI Integration Advantage: Advanced analytics and artificial intelligence integrated into measurement platforms capitalize on growing demand for intelligent manufacturing solutions and predictive process control.

    🐌 Key considerations before investing in Nova

    Even the most precise instruments face challenges in the volatile semiconductor landscape:

    • Cyclical Industry Exposure: Nova`s revenue fluctuates with semiconductor industry cycles, as capital equipment spending by chipmakers varies significantly based on demand patterns, economic conditions, and technology transition periods.
    • Competitive Pressure Intensity: Nova faces pressure from established metrology equipment providers and emerging technologies, requiring continuous innovation and significant R&D investments to maintain market leadership.
    • Geopolitical Vulnerability Exposure: Nova`s global operations and customer base expose the company to trade restrictions, export controls, and geopolitical tensions that can disrupt supply chains and limit access to key markets.
    • Technology Transition Risks: Rapid evolution in semiconductor manufacturing processes and emerging technologies like quantum computing may require Nova to quickly adapt its measurement solutions or risk technological obsolescence.

    Final thoughts on Nova

    Nova`s precision-focused semiconductor metrology creates compelling opportunities for investors seeking quality control backbone exposure. However, cyclical semiconductor capital spending and competitive pressures require careful navigation before investment. Like a master craftsman whose tools become more valuable as work grows complex, Nova`s measurement expertise becomes increasingly critical as manufacturing advances.

  • Onto Innovation (NYSE:ONTO)

    Onto Innovation Inc. is a leading provider of advanced process control and inspection solutions for the semiconductor and electronics industries. Formed in 2019 through the merger of Nanometrics and Rudolph Technologies, the company is headquartered in Wilmington, Massachusetts. Onto Innovation specializes in metrology, inspection, and data analysis technologies that help semiconductor manufacturers optimize yield, improve efficiency, and enhance device performance.

    With a strong presence in the global semiconductor ecosystem, Onto Innovation delivers cutting-edge solutions for advanced packaging, MEMS, displays, and silicon wafers. The company`s products enable manufacturers to identify defects, monitor process variations, and ensure quality in high-volume production environments. By combining innovative hardware with powerful software analytics, Onto Innovation plays a crucial role in advancing semiconductor manufacturing and driving technological progress.

    Onto Innovation financial statements

    Analysts recommendation: 1.8

    Financial Health

    • Return on assets (ROA): 5.69%
    • Return on equity (ROE): 8.96%
    • Return on investment (ROI): 8.71%

    Profitability

    • Gross margin: 53.17%
    • Operating margin: 16.07%
    • Net profit margin: 17.46%

    Growth

    • EPS (past 5 years): 129.63%
    • EPS (current): 3.55
    • EPS estimate (next quarter): 1.27
    • EPS growth (this year): -46.7%
    • EPS growth (next year): 22.37%
    • EPS growth (next 5 years): 12.05%
    • EPS growth (quarter-over-quarter): -46.16%
    • Sales growth (past 5 years): 26.41%
    • Sales growth (quarter-over-quarter): -13.5%

    💡 Why invest in Onto Innovation?

    Like a quality inspector with a magnifying glass in the semiconductor factory, Onto Innovation ensures every chip meets perfection standards:

    • Mission Critical Role: Onto Innovation`s process control and inspection solutions are indispensable for semiconductor manufacturing, ensuring chip quality and yield optimization in advanced production environments.
    • Advanced Technology Leadership: Cutting-edge metrology and inspection technologies enable manufacturers to identify defects and monitor process variations with unprecedented precision and speed in semiconductor production.
    • Market Leadership Position: Strategic merger of industry leaders Nanometrics and Rudolph Technologies combines decades of expertise and established customer relationships in semiconductor equipment markets worldwide.
    • Revenue Stability Base: Software analytics and service contracts provide stable recurring revenue streams, reducing dependency on cyclical capital equipment sales and enhancing overall financial predictability.

    🐌 Key considerations before investing in Onto Innovation

    Even the most precise inspection tools face challenges in the volatile semiconductor landscape:

    • Industry Cyclicality Exposure: Semiconductor equipment demand fluctuates with industry cycles, creating revenue volatility as chipmakers adjust capital expenditures based on market conditions and demand patterns.
    • Equipment Competition Pressure: The semiconductor equipment market features established players and emerging technologies, requiring continuous R&D investments to maintain technological leadership and market position.
    • Manufacturing Evolution Pace: Rapid advancement in semiconductor manufacturing processes demands constant innovation and significant investments to keep pace with shrinking node sizes and increasingly complex architectures.
    • Trade Restrictions Risk: Global trade tensions and export restrictions can disrupt supply chains and limit access to key markets, particularly affecting companies serving international semiconductor manufacturers.

    Final thoughts on Onto Innovation

    Onto Innovation`s essential role in semiconductor quality control positions the company as a critical enabler of chip manufacturing excellence. However, industry cyclicality and competitive pressures require careful navigation before investment. Like a master craftsman whose tools become more valuable as work grows intricate, Onto Innovation`s precision capabilities become increasingly critical as manufacturing advances.

  • ACM Research (NASDAQ:ACMR)

    ACM Research, Inc. develops, manufactures, and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated circuits worldwide. Founded in 1998, the company has established itself as a leading provider of advanced semiconductor process equipment, serving major foundries, memory manufacturers, and integrated device manufacturers across Asia, Europe, and North America.

    The company`s innovative cleaning and processing solutions address critical challenges in semiconductor manufacturing, including advanced node requirements, 3D memory structures, and emerging technologies. ACM Research focuses on developing proprietary technologies such as Space Alternated Phase Shift (SAPS) and Timely Energized Bubble Oscillation (TEBO) that enable superior cleaning performance and higher yields in semiconductor fabrication processes.

    ACM Research financial statements

    Analysts recommendation: N/A

    Financial Health

    • Return on assets (ROA): 3.57%
    • Return on equity (ROE): 9.94%
    • Return on investment (ROI): N/A

    Profitability

    • Gross margin: 46.68%
    • Operating margin: 10.75%
    • Net profit margin: 13.3%

    Growth

    • EPS (past 5 years): N/A
    • EPS (current): 1.72
    • EPS estimate (next quarter): N/A
    • EPS growth (this year): 13.7%
    • EPS growth (next year): N/A
    • EPS growth (next 5 years): N/A
    • EPS growth (quarter-over-quarter): N/A
    • Sales growth (past 5 years): N/A
    • Sales growth (quarter-over-quarter): 32%

    💡 Why invest in ACM Research?

    Like precision-engineered tools in a high-tech manufacturing facility, ACM Research demonstrates compelling semiconductor equipment strengths:

    • Technology Innovation: Proprietary SAPS and TEBO technologies provide superior cleaning performance and competitive advantages in advanced semiconductor manufacturing processes.
    • Market Growth: Benefits from increasing semiconductor complexity, advanced node migration, and growing demand for memory and logic devices requiring sophisticated cleaning solutions.
    • Customer Relationships: Established relationships with leading foundries and memory manufacturers provide stable revenue base and opportunities for technology adoption.
    • Geographic Expansion: Growing presence in key semiconductor manufacturing regions including Asia, Europe, and North America diversifies revenue sources and market opportunities.

    🐌 Key considerations before investing in ACM Research

    Like navigating complex semiconductor manufacturing cycles, ACM Research faces significant industry challenges:

    • Cyclical Industry: Semiconductor equipment demand is highly cyclical, influenced by memory pricing, foundry capacity utilization, and technology transition timing.
    • Intense Competition: Faces competition from larger, established equipment manufacturers with greater resources, broader product portfolios, and stronger customer relationships.
    • Customer Concentration: Dependence on major semiconductor manufacturers creates revenue concentration risk and exposure to their capital expenditure cycles and strategic decisions.
    • Technology Risks: Rapid semiconductor technology evolution requires continuous R&D investment and risk of product obsolescence if unable to keep pace with industry requirements.

    Final thoughts on ACM Research

    ACM Research benefits from its innovative cleaning technologies, growing semiconductor equipment market, and established customer relationships in the industry. However, the company faces challenges from cyclical equipment demand, intense competition, and customer concentration risks. Like a specialized tool maker crafting precision instruments for advanced manufacturing, ACM Research`s success depends on maintaining technological leadership while navigating the volatile semiconductor equipment landscape and evolving customer requirements.

If you are interested in other stock categories, check out my other lists of the best mid-cap utility, tech, semiconductor, retail, industrial, healthcare, financial, energy, basic materials stocks.