Which listed robotics companies are the most worth investing in? 2026 Taiwan and US stock leader evaluation

Mechanical arm listed companies are becoming a new focus in the investment market. With breakthroughs in AI technology and industry upgrades accelerating, a group of core stocks have demonstrated strong growth momentum. This article will analyze in detail the most noteworthy mechanical arm concept stocks in Taiwan and the US markets, helping investors find targets with both short-term performance and long-term potential.

Industry on the Rise: Why Now Is the Golden Period for Mechanical Arm Investment

The robotics industry is undergoing profound transformation. Traditional industrial robotic arms are approaching maturity, but emerging fields—especially collaborative robots, autonomous mobile robots (AMRs), and humanoid robots—are becoming new engines of industry growth.

According to industry research firm TrendForce, the global humanoid robotic arm market is expected to surpass $2 billion by 2027, with a compound annual growth rate (CAGR) of 154% from 2024 to 2027. This indicates that the industry will experience exponential expansion over the next three years.

Meanwhile, the global aging population crisis has driven a surge in demand for medical robotic arms. Companies like Intuitive Surgical (ISRG), representing surgical robots, have seen their stock prices continuously rise due to strong market demand. Against this backdrop, investment opportunities in listed mechanical arm companies are unfolding across the board.

Leading Taiwanese Mechanical Arm Concept Stocks

Taiwanese listed companies play a vital role in the mechanical arm industry chain. As of late 2025, the following ten listed companies are core targets in the industry:

| Company | Stock Code | Full-year 2025 Growth | Industry Segment | |---------|--------------|----------------------|------------------| | Delta Electronics | 2308 | 132.85% | Robotics control systems and industrial automation | | Chih-Mao | 2360 | 105.86% | Core component high-precision testing solutions | | Leihua | 8033 | 100.00% | Special mechanical arms and autonomous equipment | | Teco | 1504 | 61.27% | Robotic arm joint modules | | Deli | 3030 | 36.50% | Components and circuit board testing equipment | | ZhiBang | 2345 | 31.96% | Robotic arm network communication systems | | Hon Hai (Foxconn) | 2317 | 28.77% | Robotic arm automation production | | Guangyu | 2328 | 15.79% | Key components for robotic arms | | Hechun | 6215 | 15.43% | Robotic arm hardware and system integration | | Shinhan | 8234 | 12.42% | Robotic arm control systems |

Data as of late 2025

Deep Dive into Industry Leaders in Segmented Fields

Delta Electronics (2308.TW): Leader in Automation and Control Systems

Since entering automation in 1995, Delta has grown into one of the world's largest providers of industrial automation solutions. With 20 manufacturing bases and thousands of production lines in China, Taiwan, and beyond, these facilities serve as prime testing grounds for Delta’s smart factory upgrades. This deep understanding of industrial automation and robotic arms gives Delta a competitive edge.

In Q3 2025, Delta demonstrated strong profitability, with net profit exceeding NT$18.6 billion, a 50% increase YoY, and EPS surpassing NT$7, setting a quarterly record. Cumulative net profit for the first three quarters exceeded NT$42.7 billion, with EPS over NT$16. As of October, revenue hit a record NT$57.3 billion, up nearly 50% YoY.

This robust performance is driven by global demand for AI data centers and energy transition. Delta is accelerating its transformation into a system integration leader, with plans to launch new AI server power supplies and liquid cooling solutions in late 2025, further consolidating its position in high-end tech markets.

Chih-Mao (2360.TW): Hidden Champion in Core Mechanical Arm Components

While Chih-Mao Electronics does not produce robotic arms directly, it is a leading global manufacturer of precision testing equipment, becoming an indispensable player in the mechanical arm industry. With over 30 years of experience in precision measurement and automation testing, Chih-Mao provides comprehensive testing solutions for core components and complete machine assembly.

Chih-Mao’s testing systems support various fields including industrial, collaborative, and autonomous mobile robotic arms. Its high-precision intelligent testing platforms help manufacturers improve product yield and operational stability.

Financially, Chih-Mao’s performance in 2025 is outstanding: EPS more than doubled YoY, with gross margin approaching 60%. In Q3, net profit was NT$5.066 billion, up 1.59x QoQ, with EPS of NT$11.99; cumulative net profit for the first three quarters reached NT$9.142 billion, EPS NT$21.67, surpassing last year's full-year total. Revenue from measurement and automation testing equipment in Q3 was NT$3.011 billion, up 74% YoY. The company expects double-digit growth for the full year, setting a new record.

Future growth drivers include power electronics measurement and semiconductor testing equipment—key components supporting manufacturing of robotic arms, automation devices, and AI hardware.

Teco (1504.TW): Power Drive and Intelligent System Integration Expert

Founded in 1966, Teco is a major global supplier in industrial power and automation. Its core strength lies in over half a century of expertise in motor and drive technology, with products widely used across industrial scenarios.

In the robotic arm sector, Teco’s development focuses on two areas: “motor drive technology” and “smart system integration.” The company offers complete solutions from motors, drives, to controllers, simplifying robotic arm development. It is also developing higher-precision, higher-torque, and energy-efficient high-end motors to meet the needs of collaborative and precision assembly applications.

Practically, Teco provides comprehensive services through its “Factory Automation” division, including robotic arms, autonomous mobile robots (AMRs), and overall production line planning. These solutions are applied in warehousing, logistics, and semiconductor manufacturing. By integrating energy management systems and cloud platforms, Teco enables remote intelligent monitoring and energy optimization of robotic equipment.

In Q3 2025, Teco’s net profit attributable to shareholders was NT$1.593 billion, up nearly 10% QoQ; for the first three quarters, net profit was NT$4.189 billion, with EPS NT$1.98. Gross margin and operating margin improved to 24.44% and 11.23%, respectively. Looking ahead, Teco’s collaboration with Foxconn will focus on the Taiwanese market from 2026, with energy-saving upgrades at old factories expected to boost revenue.

Hechun Technology (6215.TW): Emerging Modular Solutions Provider

Hechun has over 40 years of experience in automation, specializing in key components for robotic arms. Its products are used in 3C, medical, aerospace, and other industries. Major clients include TSMC, UMC, and Foxconn, ensuring stable revenue streams.

In the first half of 2025, Hechun posted impressive growth, with revenue up over 70% YoY to NT$1.09 billion. As a leader in the robotic arm concept stock space, Hechun launched its second growth strategy in 2023 and established a dedicated robotic arm division in 2025, offering highly flexible modular solutions.

By integrating key robotic arm technologies from China, Japan, Germany, and the US, Hechun has built a comprehensive solution capability. Supported by market demand and orders, management expects strong growth over the next 2-3 years, with 2025 revenue and profits reaching double digits, and gross margins outperforming last year.

Shinhan (8234.TW): Leader in AI-Driven Robotic Arm Controllers

Shinhan Group’s subsidiary, NexCOBOT, has over ten years of R&D experience in robotic arm controllers, making it one of the few companies offering open-standard controllers supporting various robotic configurations.

NexCOBOT is Taiwan’s first company to obtain functional safety certification for robotic arm controllers via a modular platform, developing its own safety modules and collaborating with partners to build complete safety solutions. Its AI modules for humanoid robotic arms, launched in August 2025 in partnership with NVIDIA, mark a significant step forward in AI + robotic arm integration.

NexCOBOT offers modular solutions including robotic arm controllers, safety control platforms, AI edge computing, and mobile robotic kits, helping clients develop intelligent robotic systems efficiently. Despite current market fluctuations, Shinhan remains optimistic about future growth in the robotic arm sector.

The New Wave in US Markets: Defense and AI-Driven Opportunities

Beyond Taiwan, US stocks in the robotic arm sector also merit attention. Particularly in defense, robotic arms and autonomous systems show huge commercial potential.

Palantir (PLTR) and AeroVironment (AVAV) have secured major contracts in autonomous systems, with stock performance remarkable. In 2025, Palantir’s stock surged over 140%, AeroVironment over 80%. Additionally, AMD, which has established a comprehensive robotic arm and AI tech matrix in 2025, has gained over 83% since the start of the year.

| Company | Stock Code | 2025 Full-year Growth | Industry Application | |---------|--------------|------------------------|----------------------| | Palantir | PLTR | 140.43% | Big data analysis and AI software platforms | | AeroVironment | AVAV | 82.87% | Drones and autonomous robotic hardware | | AMD | AMD | 83.48% | High-performance computing hardware |

These strong performances indicate that the robotic arm industry’s applications in defense and AI computing are being fully recognized by the market.

Practical Guide to Investing in Mechanical Arm Listed Stocks

When choosing among numerous mechanical arm stocks, investors should consider the following dimensions:

1. Market Demand Breadth and Depth

The wider the application of robotic arm technology, the greater the market demand and growth potential. Aging populations worldwide increase demand for surgical robotic arms, driving up stock prices of companies like ISRG.

Prioritize companies favored by industry research, with sustained growth prospects over the next decade. Focus especially on firms developing humanoid robotic arms or integrating into the humanoid industry chain. According to TrendForce, the humanoid robotic arm market is expected to achieve a CAGR of 154% over the next three years, offering exponential growth opportunities.

2. Continuous R&D Investment

Robotics is a technology-intensive industry with rapid iteration. Companies that cannot maintain strong innovation will risk being eliminated.

Investors should pay close attention to investment cash flow (CFI) in financial reports. For example, Delta has significantly increased its investment cash flow since 2021, maintaining high levels over time—reflecting a focus on R&D and technological advancement.

Prefer companies with high or rising CFI over the past five years, as they are more likely to sustain technological leadership and deliver long-term returns.

3. Customer Base and Market Position

Having major clients enhances business stability. For instance, Hechun’s clients include TSMC, UMC, and Foxconn, providing a stable revenue base.

Evaluate whether a company’s customer list includes industry leaders and whether its position in the supply chain is strategic.

Risks in Investing in Mechanical Arm Stocks

While the growth potential of mechanical arm concept stocks is significant, risks also exist:

Technological Risk: Rapid technological evolution, especially combined with AI, requires companies to keep pace. Falling behind in R&D can lead to obsolescence.

Policy Risk: Government policies vary across countries, affecting development. Rapid adoption of robotic arms may impact labor markets, and regulatory changes or export restrictions could hinder international expansion.

Market Risk: Although the market outlook is promising, large-scale commercial applications are still developing. Overly optimistic expectations may lead to disappointment if actual orders and market penetration fall short.

Competitive Risk: As industry attractiveness grows, new entrants and overseas competitors will intensify competition, potentially squeezing margins and market share.

Investors should maintain flexible, timely position adjustments based on company performance and policy developments to capitalize on the robotic arm investment wave.