UCTT
TechnologyUltra Clean Holdings, Inc. · Semiconductors · $4B
What is Ultra Clean Holdings, Inc.?
Ultra Clean Holdings, Inc. is a mid-cap supplier of critical subsystems and ultra-high purity services for the semiconductor manufacturing industry, serving customers across the United States and internationally. Founded in 2004 and headquartered in Hayward, California, the company operates at the heart of chip production infrastructure.
Ultra Clean Holdings generates revenue by designing and supplying precision subsystems, components, and cleaning services that semiconductor equipment makers depend on. Its products control the delivery of gases, chemicals, and fluids inside chip fabrication tools. The company also provides tool chamber parts cleaning, micro-contamination analysis, and coating services — supporting the ultra-high purity standards that modern semiconductor manufacturing demands.
Ultra Clean Holdings was founded in 2004 and is headquartered in Hayward, California.
- Gas and chemical delivery systems for semiconductor tools
- Ultra-high purity valves, connectors, and manifolds
- Precision robotic systems and process modules
- Tool chamber cleaning and coating services
- Micro-contamination analysis and cleanroom support services
Is UCTT a Good Stock to Buy?
UQS Score rates UCTT as Below Average overall, reflecting meaningful weaknesses across several fundamental dimensions.
Among the five pillars, Risk stands out as the relative bright spot, suggesting the company carries a manageable risk profile compared to its score in other areas. Growth lands at a Neutral rating, indicating the business is neither accelerating sharply nor declining — a middle-ground position in a cyclical sector.
Quality and Moat are both rated Weak, pointing to limited competitive differentiation and below-average business quality metrics. Valuation is Neutral, offering little cushion given the underlying quality concerns.
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Past performance does not guarantee future results. UQS Score is based on fundamental data and is not a buy/sell recommendation.
Does UCTT pay dividends?
No — Ultra Clean Holdings, Inc. does not currently pay a dividend.
Ultra Clean Holdings does not currently pay a dividend. As a supplier tied to semiconductor capital equipment cycles, the company has historically prioritized reinvesting resources into operations and capacity rather than returning cash to shareholders. Investors seeking income from this sector may need to look elsewhere, while growth-oriented investors may view the reinvestment approach as consistent with the industry's capital demands.
When does UCTT report earnings?
Ultra Clean Holdings reports earnings on a quarterly cadence, typical for US-listed equities.
Results tend to reflect the broader semiconductor equipment cycle, with revenue and profitability moving alongside customer capital spending patterns. Given the cyclical nature of the industry, quarterly swings can be pronounced. The company's Growth pillar is rated Neutral, suggesting neither strong acceleration nor contraction in recent periods.
For the most recent quarter's results and guidance, visit Ultra Clean Holdings' investor relations page directly.
UCTT Price History
+37.7% over 5Y
Monthly close, adjusted for stock splits and dividend reinvestment.
What if I invested in Ultra Clean Holdings, Inc.?
Based on Ultra Clean Holdings, Inc.'s historical closing prices, adjusted for stock splits and dividend reinvestment. Past performance does not guarantee future results. This is for informational purposes only and is not financial advice.
UCTT Long-term Outlook
The fundamental outlook for UCTT is shaped by its Neutral Growth rating and Weak Quality and Moat scores. While the semiconductor industry's long-term demand trajectory remains constructive, Ultra Clean Holdings faces the challenge of competing in a supplier landscape where differentiation is difficult. Its Good Risk rating suggests the business is not in acute financial distress, but the path to meaningful quality improvement depends heavily on semiconductor equipment spending cycles recovering and sustaining.
Growth drivers
- Recovery in semiconductor capital equipment spending cycles
- Expanding demand for ultra-high purity components in advanced chip nodes
- Growth in cleaning and analytical services as fabs scale complexity
Key risks
- Cyclical downturns in semiconductor equipment investment
- Weak moat leaves pricing power vulnerable to competition
- Neutral valuation provides limited margin of safety given quality concerns
UCTT vs Peers
Ultra Clean Holdings operates in a competitive semiconductor supply chain alongside several specialized peers.
AXT focuses on compound semiconductor substrates, serving a narrower but distinct materials niche compared to UCTT's subsystems and services model.
Axcelis develops ion implantation systems — a higher-level equipment category — giving it a different position in the semiconductor tool supply chain than UCTT.
Vishay is a broad electronic components manufacturer serving multiple end markets, making it a more diversified but less semiconductor-focused peer than Ultra Clean Holdings.
Frequently Asked Questions
What does Ultra Clean Holdings do?
Ultra Clean Holdings develops and supplies critical subsystems, components, and ultra-high purity cleaning and analytical services for the semiconductor industry. Its products — including gas delivery systems, valves, and chemical delivery modules — are used inside the tools that manufacture integrated circuits. The company also provides chamber parts cleaning and micro-contamination analysis services.
Does UCTT pay dividends?
No, Ultra Clean Holdings does not currently pay a dividend. The company operates in a capital-intensive, cyclical industry and has not established a dividend program. Investors focused on income generation may find this a drawback, while those prioritizing reinvestment may view it differently.
When does UCTT report earnings?
Ultra Clean Holdings follows a standard quarterly earnings cadence for US-listed companies. The timing of specific releases can shift, so investors should check the company's investor relations page for the most current schedule and recent results.
Is UCTT a good stock to buy?
UQS Score rates UCTT as Below Average overall. The Quality and Moat pillars are both rated Weak, which signals limited competitive differentiation and below-average business quality. Risk is rated Good, and Growth and Valuation are both Neutral. Investors should weigh these factors carefully before making a decision.
Is UCTT overvalued?
UCTT's Valuation pillar is rated Neutral, suggesting the stock is neither clearly cheap nor obviously expensive relative to its fundamentals. However, a Neutral valuation combined with Weak Quality and Moat ratings means investors are not receiving a significant discount for the underlying business risks.
How does UCTT compare to its competitors?
Ultra Clean Holdings competes in the semiconductor supply chain alongside peers like Axcelis Technologies, AXT, Inc., and Vishay Intertechnology. Each operates in a different niche — from ion implantation equipment to compound substrates to broad electronic components. UCTT's focus on subsystems and purity services carves out a specific but competitive position. See the full UQS comparison for pillar-level peer analysis.
What is UCTT's market cap bracket?
Ultra Clean Holdings is classified as a mid-cap company. This places it in a range that typically offers more liquidity than small-cap peers but less institutional coverage than large-cap names, which can create both opportunity and volatility for investors.
Who founded Ultra Clean Holdings?
Ultra Clean Holdings was founded in 2004. For detailed founding history and leadership background, the company's official investor relations materials and public filings provide the most accurate and complete information.
Is UCTT a long-term quality investment?
As a long-term quality indicator, UCTT's Below Average UQS Score — driven by Weak Quality and Moat ratings — raises questions about durable competitive advantage. The Good Risk rating offers some reassurance on financial stability, but sustained long-term quality typically requires stronger moat and business quality characteristics than UCTT currently demonstrates.
What is the main competitive advantage of Ultra Clean Holdings?
Ultra Clean Holdings' primary advantage lies in its specialized expertise in ultra-high purity standards and its integrated subsystem capabilities for semiconductor tools. However, the UQS Moat pillar rates this advantage as Weak, suggesting that differentiation from competitors remains a meaningful challenge in this supplier segment.
What sector does UCTT belong to?
UCTT operates in the Technology sector, specifically within the semiconductor equipment supply chain. It serves chipmakers and equipment manufacturers that require precision components and ultra-high purity services — a segment closely tied to the broader semiconductor capital expenditure cycle.
Is UCTT a growth stock or value stock?
Based on its UQS pillar profile, UCTT sits in an ambiguous middle ground. Growth is rated Neutral — neither a high-growth story nor a declining one — while Valuation is also Neutral. This combination makes it difficult to classify cleanly as either a growth or value play under current conditions.
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Pro Analysis
UCTT — Score History
| Date | UQS | Quality | Moat | Growth | Risk | Value | Change |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | 34.2 | 5.3 | 16.0 | 52.5 | 69.3 | 53.2 | +0.2 |
| May 16, 2026 | 34.0 | 5.3 | 16.0 | 52.5 | 69.3 | 51.8 | +3.9 |
| May 8, 2026 | 30.1 | 1.6 | 16.0 | 47.1 | 37.2 | 71.2 | -2.7 |
| May 7, 2026 | 32.8 | 6.1 | 16.0 | 47.1 | 70.7 | 48.2 | -0.3 |
| May 3, 2026 | 33.1 | 6.1 | 16.0 | 47.1 | 70.7 | 50.2 | +0.3 |
| May 1, 2026 | 32.8 | 6.1 | 16.0 | 47.1 | 70.7 | 48.3 | +1.0 |
| Apr 26, 2026 | 31.8 | 6.1 | 16.0 | 43.0 | 70.7 | 46.8 | -0.1 |
| Apr 19, 2026 | 31.9 | 6.1 | 16.0 | 43.0 | 70.7 | 47.5 | 0.0 |
| Apr 14, 2026 | 31.9 | 6.1 | 16.0 | 43.0 | 70.7 | 48.1 | -0.1 |
| Apr 12, 2026 | 32.0 | 6.1 | 16.0 | 43.0 | 70.7 | 48.3 | -0.5 |
UCTT — Pillar Breakdown
Quality
— 5.3/100 (25%)Ultra Clean Holdings, Inc. currently shows below-average quality metrics, suggesting challenges with profitability.
How effectively capital is deployed to generate returns.
Profitability relative to shareholders' equity.
Ability to convert revenue into operating profit.
Bottom-line profit as a share of revenue.
Asset productivity — how much gross profit each dollar of assets generates.
Free cash flow relative to market value.
Growth
— 52.5/100 (20%)Ultra Clean Holdings, Inc. shows steady but unspectacular growth, typical for mature companies.
Revenue trajectory over the last twelve months.
Compound annual revenue growth rate over 3 years.
Year-over-year earnings per share growth.
Analyst consensus for future revenue growth.
Analyst consensus for future earnings growth.
Risk
— 69.3/100 (15%)Ultra Clean Holdings, Inc. maintains a reasonable risk profile with manageable debt levels.
Debt levels relative to earnings capacity.
Total debt relative to shareholder equity.
Short-term liquidity — ability to pay near-term obligations.
Earnings capacity relative to interest payments.
Valuation
— 52.3/100 (15%)Ultra Clean Holdings, Inc. has a mixed valuation — some metrics suggest fair value while others appear stretched.
Inverse of forward P/E — higher yield means cheaper stock.
How many years of FCF the market cap represents.
P/E relative to earnings growth — lower is more attractive.
Moat
— 16/100 (25%)Ultra Clean Holdings, Inc. operates in a highly competitive environment with limited sustainable advantages. The Moat pillar evaluates competitive advantages across five dimensions: Switching Costs, Network Effects, Cost Advantage, Intangible Assets, and Scale & Ecosystem. Sign in to customize moat ratings for UCTT.
Score Composition
Financial Data
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How is the UCTT UQS Score Calculated?
The UQS (Unified Quality Score) for Ultra Clean Holdings, Inc. is calculated using a proprietary 6-pillar framework with 29 financial metrics. Each pillar evaluates a different dimension on a 0–100 scale, then combines into a single weighted score. Scoring thresholds are calibrated per sector. Momentum is an optional Pro toggle — without it, you get the 5-pillar / 25-metric core shown below.
Quality (25%) measures profitability and capital efficiency — ROIC, ROE, margins, GP/Assets, and FCF Yield.
Moat (25%) assesses Ultra Clean Holdings, Inc.'s competitive advantages across switching costs, network effects, cost advantages, intangible assets, and ecosystem scale.
Growth (20%) tracks revenue trajectory and earnings momentum, combining historical results with analyst forward estimates.
Risk (15%) is inversely scored — lower leverage and strong balance sheet health result in higher scores.
Valuation (15%) measures whether Ultra Clean Holdings, Inc. is fairly priced using earnings yield, price-to-FCF, PEG ratio, and EV/EBITDA relative to sector peers.
Six investor-inspired presets are available, each with different pillar weights: Balanced, Buffett, Munger, Lynch, Cathie Wood, and Graham. The public score shown here uses the Balanced preset. Learn more in our FAQ.