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What is Tera Probe, Inc. stock?

6627 is the ticker symbol for Tera Probe, Inc., listed on TSE.

Founded in Dec 7, 2010 and headquartered in 2005, Tera Probe, Inc. is a Miscellaneous Commercial Services company in the Commercial services sector.

What you'll find on this page: What is 6627 stock? What does Tera Probe, Inc. do? What is the development journey of Tera Probe, Inc.? How has the stock price of Tera Probe, Inc. performed?

Last updated: 2026-05-13 18:52 JST

About Tera Probe, Inc.

6627 real-time stock price

6627 stock price details

Quick intro

Tera Probe, Inc. (TSE: 6627), headquartered in Yokohama, is a leading provider of semiconductor testing services, specializing in wafer and final testing for DRAM, SoC, and image sensors.

In FY2025, the company reported consolidated net sales of ¥41.75 billion, a 12.5% year-on-year increase, with operating income rising 28.0% to ¥8.89 billion. This strong performance was driven by robust demand for AI-related products and logic devices for electric vehicles (EVs).

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Basic info

NameTera Probe, Inc.
Stock ticker6627
Listing marketjapan
ExchangeTSE
FoundedDec 7, 2010
Headquarters2005
SectorCommercial services
IndustryMiscellaneous Commercial Services
CEOteraprobe.com
WebsiteYokohama
Employees (FY)1.13K
Change (1Y)+85 +8.16%
Fundamental analysis

Tera Probe, Inc. Business Introduction

Tera Probe, Inc. (Tokyo Stock Exchange: 6627) is a leading provider of semiconductor testing services, specializing in wafer testing and final testing for integrated circuits (ICs). As a key player in the OSAT (Outsourced Semiconductor Assembly and Test) industry, the company acts as a vital bridge between semiconductor design/manufacturing and the final consumer markets.

Core Business Segments

1. Wafer Testing (Mainstay Business): This represents the company's primary revenue driver. Tera Probe provides electrical testing of semiconductor chips while they are still in wafer form. By identifying defective dies early, they help clients save costs on packaging and assembly. Their expertise covers Logic ICs, SoC (System on Chip), Memory (DRAM/Flash), and Analog devices.
2. Final Testing: After the wafer is diced and packaged, Tera Probe performs comprehensive functional tests on the finished ICs to ensure they meet performance specifications under various environmental conditions (temperature, voltage, etc.).
3. Testing Engineering Services: Beyond execution, the company offers "Test Development" services, which involve designing test programs and hardware (probe cards and load boards) tailored to new chip architectures, significantly shortening the time-to-market for chip designers.
4. Image Sensor Testing: Through its subsidiary (Tera Mikado), the company has a specialized focus on CMOS Image Sensors (CIS), catering to the smartphone and automotive camera markets.

Business Model Characteristics

Tera Probe operates on a high-utilization service model. Unlike fabless designers or integrated device manufacturers (IDMs), Tera Probe does not own the intellectual property of the chips; instead, it provides the capital-intensive infrastructure (expensive Automated Test Equipment - ATE) and technical expertise required to validate high-end chips. This model benefits from the increasing complexity of semiconductors, as more complex chips require longer and more sophisticated testing procedures.

Core Competitive Moat

Strategic Partnerships: Tera Probe was originally established as a joint venture involving major players like Mitsubishi Electric and Renesas. This heritage provides a stable customer base and deep technical alignment with leading Japanese and global IDMs.
Multi-Platform Expertise: The company maintains a diverse fleet of testers from major suppliers like Advantest and Teradyne, allowing them to handle everything from high-speed memory to complex logic chips.
Geographic Advantage: With facilities in Japan and Taiwan (via TeraPower Technology Inc.), they are strategically positioned near the world's most advanced semiconductor manufacturing hubs.

Latest Strategic Layout

According to recent financial reports and mid-term plans (2024-2025), Tera Probe is aggressively pivoting towards High-Performance Computing (HPC) and Automotive sectors. As EVs and AI servers demand higher reliability, Tera Probe is investing in high-temperature testing and specialized power semiconductor testing capabilities to capture the higher margins associated with industrial-grade reliability standards.

Tera Probe, Inc. Development History

The history of Tera Probe is a reflection of the Japanese semiconductor industry's transition from vertically integrated manufacturing to a specialized horizontal division of labor.

Development Phases

Phase 1: Foundation and Consolidation (2005 - 2009)
Tera Probe was established in 2005 through the consolidation of the testing departments of several major Japanese electronics firms. The goal was to create a specialized testing powerhouse that could achieve economies of scale. In 2007, it listed on the Tokyo Stock Exchange (Mothers market), marking its emergence as an independent professional service provider.

Phase 2: Global Expansion and the Taiwan Bridge (2010 - 2017)
Recognizing that the center of semiconductor manufacturing was shifting toward Taiwan, Tera Probe established TeraPower Technology Inc. in Taiwan. This was a pivotal move that allowed the company to tap into the TSMC ecosystem. During this period, the company expanded its capacity to handle the booming demand for mobile SoC and DRAM testing.

Phase 3: Restructuring and Modernization (2018 - 2022)
The company underwent significant structural optimization to improve profitability. This included focusing on high-growth areas like CMOS Image Sensors and Automotive ICs. In 2022, Tera Probe transitioned to the Standard Market of the Tokyo Stock Exchange following the market restructuring, reflecting its stable governance and market position.

Phase 4: The AI and EV Era (2023 - Present)
Currently, the company is benefiting from the "Semiconductor Super Cycle." It has significantly increased capital expenditure to acquire next-generation testers capable of handling AI accelerators and advanced power modules (SiC/GaN).

Success Factors and Challenges

Success Factors: Deep technical heritage from its founding partners and a timely strategic investment in Taiwan, which insulated it from the relative decline of the domestic Japanese consumer electronics market.
Challenges: High sensitivity to the capital expenditure cycles of the semiconductor industry. Periods of overcapacity in the industry can lead to pressure on utilization rates and margins.

Industry Introduction

Tera Probe operates within the OSAT (Outsourced Semiconductor Assembly and Test) industry. Testing is no longer just a "check" at the end of the line; it is a critical yield-management component in the 3nm/2nm era.

Industry Trends and Catalysts

1. Increased Test Intensity: As chip designs move to "Chiplets" and 2.5D/3D packaging, the complexity of testing increases exponentially. Testing time per wafer is rising, which directly drives revenue for Tera Probe.
2. The Automotive Revolution: Modern EVs require thousands of chips. Unlike consumer electronics, automotive chips require 100% "burn-in" testing and zero-defect rates, commanding higher service fees.
3. AI-Driven Demand: The surge in AI server deployments requires high-bandwidth memory (HBM) and massive SoCs, both of which require specialized, high-cost testing equipment.

Competitive Landscape

The industry is characterized by a few global giants and specialized regional players:

Category Key Players Tera Probe's Position
Global Tier 1 ASE Technology, Amkor, JCET Tera Probe is smaller in scale but highly specialized in "Wafer Test" precision compared to full-service assembly giants.
Specialized Testing KYEC (Taiwan), Sigurd Microelectronics Direct competitors in the Taiwan and Japan markets, particularly in logic and SoC testing.
Regional Leaders Tera Probe, UTAC Tera Probe maintains a dominant "boutique" status in Japan for high-end industrial and automotive applications.

Industry Data and Market Status

According to industry reports from SEMI and Gartner, the global semiconductor testing equipment market is expected to grow at a CAGR of 6-8% through 2028. Tera Probe's recent financial performance (FY2023-FY2024) shows a resilient operating margin, often hovering between 15-20%, which is competitive for the OSAT sector. The company's unique position as a Japanese firm with a strong Taiwan footprint makes it a strategic partner for companies looking to diversify their supply chains amidst global geopolitical shifts in the semiconductor trade.

Summary of Industry Position

Tera Probe is a top-tier specialist in the wafer testing niche. While it does not compete on the sheer volume of low-end packaging like some Chinese OSATs, its technical barrier lies in its ability to handle high-mix, high-complexity testing for Japan's prestigious automotive and industrial clients and Taiwan's cutting-edge fabless designers.

Financial data

Sources: Tera Probe, Inc. earnings data, TSE, and TradingView

Financial analysis

Tera Probe, Inc. Financial Health Score

Tera Probe, Inc. (6627.T) demonstrates strong revenue growth and operational efficiency, though its aggressive expansion strategy has led to a recent increase in debt and a slight decline in equity ratios. The company is successfully transitioning its product mix toward high-margin AI and EV sectors.

Metric Category Score (40-100) Rating Key Commentary (Based on FY2025 Data)
Revenue Growth 92 ⭐️⭐️⭐️⭐️⭐️ Net sales reached ¥41.75B (+12.5% YoY), surpassing the ¥40B milestone for the first time.
Profitability 88 ⭐️⭐️⭐️⭐️ Operating income jumped 28% YoY to ¥8.89B; operating margin improved from 18.7% to 21.3%.
Solvency & Liquidity 72 ⭐️⭐️⭐️ Equity ratio fell to 40.2% (from 49.6%) due to ¥30B in CapEx funded by debt.
Operational Efficiency 85 ⭐️⭐️⭐️⭐️ ROE stands at a healthy 8.65% (adjusted) despite massive asset expansion; high utilization in AI testing.
Overall Health 84 ⭐️⭐️⭐️⭐️ Strong "Growth" profile with temporary leverage for strategic positioning.

Tera Probe, Inc. Development Potential

1. Explosive Growth in AI and Server Markets

Tera Probe has successfully pivoted to the high-end logic testing market. In FY2025, AI-related sales surged by 170% compared to the previous year. As AI chips require significantly longer testing times (3-4x longer than standard chips), the company benefits from increased tester occupancy and higher service pricing. This trend is expected to continue through 2026 as demand for GPU and specialized AI accelerators remains robust.

2. EV and ADAS Catalyst

While the general consumer automotive market faces inventory adjustments, the Electric Vehicle (EV) and Advanced Driver Assistance Systems (ADAS) segments continue to expand. Tera Probe's exposure to high-reliability automotive logic chips has increased, with the automotive sector now accounting for approximately 44% of total sales. This provides a stable "cash cow" to fund frontier R&D.

3. Strategic Capacity Expansion in Japan and Taiwan

The company executed a massive ¥30 billion capital expenditure program in 2025, primarily investing in the latest high-end testers at its Kyushu (Japan) and TeraPower (Taiwan) facilities. This expansion is timed to capture the "Business Transfer" trend where fabless companies move from in-house testing to specialized OSAT (Outsourced Semiconductor Assembly and Test) providers to manage rising technical complexity.

4. Synergy with PTI Group

As a subsidiary of Powertech Technology Inc. (PTI), Tera Probe benefits from a turnkey solution model. The ability to offer integrated assembly and testing services in Taiwan—the global hub of semiconductor manufacturing—gives Tera Probe a competitive edge in securing contracts for next-generation logic and SoC products.


Tera Probe, Inc. Pros and Risks

Investment Pros

- Strong Top-line Performance: 6 consecutive years of revenue growth, with record-breaking ordinary income in FY2025.
- High Value-Add Product Mix: Shift toward AI, 5G, and ADAS improves margins and creates a "moat" through technical expertise in testing complex architectures.
- Geographic Advantage: Operations in both Japan and Taiwan provide resilience and proximity to major foundries and packaging houses.
- Favorable Market Sentiment: Strong "Buy" consensus from analysts and significant price appreciation (+325% over the 52-week period) reflect market confidence in its AI-driven roadmap.

Investment Risks

- Leverage and Interest Rates: Significant debt increase to fund equipment may pressure earnings if interest rates rise or if demand for new testers doesn't meet expectations.
- Depreciation Pressure: The large-scale investment in 2025 will lead to higher depreciation expenses in 2026, which could temporarily compress net margins if revenue growth slows down.
- Customer Concentration: Heavy reliance on a few major logic and automotive clients makes the company vulnerable to specific product cycles or design-win losses.
- Cyclicality: Despite the current AI boom, the semiconductor industry remains inherently cyclical; a potential downturn in global tech spending could leave the company with underutilized expensive equipment.

Analyst insights

分析师们如何看待Tera Probe, Inc.公司和6627股票?

进入2026年,分析师对日本半导体测试服务商 Tera Probe, Inc.(6627.T)及其股票的看法呈现出“成长势头强劲,核心业务稳固”的积极态势。随着电动汽车(EV)逻辑芯片需求持续旺盛,以及AI与服务器相关产品的稳步增长,该股在资本市场中获得了显著关注。以下是主流分析师与研究机构的详细分析:

1. 机构对公司的核心观点

业务结构转型成功: 分析师普遍认为,Tera Probe 已成功从传统的 DRAM 存储测试转向以逻辑芯片(Logic IC)为核心的增长模式。特别是在汽车电子领域,由于 EV 逻辑器件对可靠性要求极高,公司的晶圆测试(Wafer Test)服务展现了极强的客户粘性。

AI 与服务器驱动的新周期: 华尔街及日本本土研究机构指出,随着生成式 AI 和数据中心扩展,针对 AI 加速器和高带宽内存接口的测试需求正在激增。根据公司 2025 财年财报,服务器和 AI 相关产品的稳步增长已成为支撑其利润率的重要支柱。

产能扩张与技术领先: 分析师看好公司在先进制程(如 3nm/5nm)测试技术上的投入。Phillip Securities 等机构指出,Tera Probe 通过在台湾等地的战略部署,有效利用了全球半导体制造中心的供应链优势。

2. 股票评级与目标价

截至2026年5月,市场对 6627 股票的共识倾向于“买入”或“强烈买入”

评级分布: 在追踪该股的少数核心分析师中,共识意见为“强气买入”(Strong Buy)。例如,在 2026 年 5 月初的最新共识评估中,覆盖该股的分析师给予了全额正面评价。

财务数据与估值: 营收表现: 2025 财年全年,公司实现净销售额 417.46 亿日元(同比增长 12.5%),营业利润达到 88.93 亿日元(大幅增长 28.0%)。
目标价: 部分机构(如 Phillip Securities)曾给出每股约 6,750 日元的初步目标价,但随着 2026 年初股价突破 10,000 日元大关(2026年5月最新股价约在 11,530 日元上下波动),分析师正在上调其公允价值评估。
盈利预测: 分析师预测 2026 财年净利润有望回升至 45 亿日元水平,较 2025 财年的 33.67 亿日元有显著增长潜力。

3. 分析师眼中的风险点(看空理由)

尽管基本面看好,分析师也提醒投资者注意以下潜在挑战:

设备折旧压力: 为了保持技术领先,公司在 2025 年进行了大量前期资本投入。分析师指出,2026 年初可能会因折旧费用增加而导致短期利润率出现波动(如 2026 年第一季度的预警)。

汇率波动风险: 由于公司有相当比例的业务位于日本境外(尤其是台湾),日元对美元和新台币的汇率波动会对财报中的合并报表产生较大影响。

行业竞争与技术更迭: 存储市场(尤其是 DRAM)的波动性依然存在,虽然公司已多元化发展,但如果全球消费电子市场复苏不及预期,其存储测试部门的利用率可能受压。

总结

分析师的一致看法是:Tera Probe 是一家正处于盈利上行周期的优质“卖铲子”公司。 只要电动汽车的智能化趋势和 AI 算力基建的需求不减,Tera Probe 作为半导体制造流程中不可或缺的质量把关者,其 6627 股票依然是专注于半导体供应链投资组合中的重要配置标的。

Further research

Tera Probe, Inc. (6627) Frequently Asked Questions

What are the investment highlights for Tera Probe, Inc. (6627), and who are its main competitors?

Tera Probe, Inc. is a leading provider of semiconductor testing services, specifically specializing in wafer testing. Its primary investment highlight is its strategic partnership with TSMC and Powerchip (through the joint venture TeraPower), which positions it well within the high-end logic and memory chip supply chains. As the demand for automotive chips and AI-driven high-performance computing (HPC) grows, Tera Probe benefits from its advanced probe card technologies and testing scale.
Major competitors include global OSAT (Outsourced Semiconductor Assembly and Test) giants such as ASE Technology Holding (3711.TW), Amkor Technology (AMKR), and domestic Japanese peers like Kyushu-PROTEC.

Are the latest financial results of Tera Probe healthy? How are the revenue, net income, and debt levels?

Based on the financial reports for the fiscal year ending December 2023 and the interim results for 2024, Tera Probe has maintained a stable financial position. In FY2023, the company reported revenue of approximately 33.8 billion JPY. While the semiconductor market faced a cyclical downturn in memory, the company’s focus on automotive and logic ICs helped stabilize margins.
Net Income: The company remains profitable, though net margins fluctuate based on depreciation costs from high R&D and equipment investment.
Debt Situation: Tera Probe maintains a healthy Equity Ratio (typically above 50%), indicating a strong balance sheet with manageable long-term debt levels relative to its asset base.

Is the current valuation of Tera Probe (6627) high? How do its P/E and P/B ratios compare to the industry?

As of mid-2024, Tera Probe’s valuation reflects its position as a specialized mid-cap player in the Tokyo Stock Exchange (Standard Market).
Price-to-Earnings (P/E) Ratio: It typically trades at a P/E range of 10x to 15x, which is often lower than high-growth fabless design houses but aligned with capital-intensive testing peers.
Price-to-Book (P/B) Ratio: Its P/B ratio generally hovers around 1.0x to 1.5x. Compared to the broader Japanese semiconductor equipment sector, Tera Probe is often viewed as "fairly valued" or "value-oriented" rather than "growth-heavy."

How has the stock price performed over the past three months and the past year? Has it outperformed its peers?

Over the past year, Tera Probe’s stock price has seen significant volatility, mirroring the Philadelphia Semiconductor Index (SOX) and the Nikkei 225. While it benefited from the 2023-2024 AI rally, it faced pressure during periods of Yen fluctuations.
Compared to peers like Advantest (which provides the hardware), Tera Probe (which provides the service) tends to have lower beta. Over the past 12 months, it has generally performed in line with the Japanese electronics components sector, though it occasionally lags behind pure-play AI hardware stocks.

Are there any recent positive or negative news trends in the industry affecting Tera Probe?

Positive Factors: The ongoing expansion of TSMC’s presence in Kumamoto, Japan (JASM) is a significant tailwind for the domestic semiconductor ecosystem, potentially increasing the demand for localized testing services. Additionally, the recovery of the automotive semiconductor market supports their core business.
Negative Factors: Rising electricity costs in Japan and the high cost of advanced testing equipment (CAPEX) can squeeze short-term margins. Furthermore, any slowdown in global smartphone demand continues to impact the logic testing segment.

Have major institutional investors been buying or selling Tera Probe (6627) recently?

Tera Probe is a subsidiary of FormFactor, Inc. and has significant backing from industrial partners. Recent filings indicate that institutional ownership remains stable, with major Japanese banks and insurance companies holding long-term positions.
Foreign institutional activity in the Japanese "Standard Market" has increased recently due to Tokyo Stock Exchange (TSE) reforms urging companies to improve capital efficiency and P/B ratios, which has led to renewed interest from value-seeking institutional funds in companies like Tera Probe.

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TSE:6627 stock overview