Ultra Clean Holdings, Inc. specializes in providing essential subsystems, intricate components, precision parts, and rigorous ultra-high purity cleaning and sophisticated analytical verification services. The company primarily caters to the global semiconductor sector, operating across the U.S. and internationally. Their extensive product portfolio includes ultra-clean valves, high-purity and industrial process connectors, pneumatic actuators, manifolds, safety solutions, hoses, pressure gauges, and heaters for gas lines and components. They also supply specialized chemical delivery modules engineered to transport gases and reactive chemicals in liquid or gaseous forms from a central point to reaction chambers. Furthermore, they offer comprehensive gas delivery systems, encompassing weldments, filters, precise mass flow controllers, regulators, pressure transducers, various valves, component heaters, and integrated electronic or pneumatic control systems. Ultra Clean Holdings also provides a range of industrial and automation production machinery, alongside fluid delivery systems that incorporate multiple chemical delivery units, PFA tubing, filters, flow controllers, regulators, component heaters, and integrated electronic/pneumatic controls. Additionally, the company engineers precision robotic systems, top-plate and frame assemblies, and process modules – which are vital subsystems within semiconductor manufacturing tools designed to process integrated circuits onto wafers – along with other advanced high-level assemblies. Beyond manufacturing, Ultra Clean Holdings offers critical services such as cleaning and coating for tool chamber components. They conduct specialized micro-contamination analysis, evaluating tool parts, wafers, depositions, chemicals, cleanroom materials, deionized water, and airborne molecular contaminants. The company also provides analytical verification specifically for the cleanliness of process tool chamber components. Their principal clientele includes original equipment manufacturers (OEMs) within the semiconductor capital equipment and integrated device manufacturing industries. Beyond semiconductors, they also cater to the display, consumer, medical, energy, industrial, and research equipment sectors. Established in 1991, the corporation maintains its headquarters in Hayward, California.

Ultra Clean Holdings (UCTT) Stock Price & Market Analysis
UCTT · NASDAQ · Semiconductors
$73.24
▼ -$0.7800(-1.05%)4:00 PM ET - vs previous closeQuote as of Oct 6, 2026, 4:00 PM EDT
Regular-session close · Oct 6, 2026, 4:00 PM EDT.
Yahoo Finance · delayed, minutes not stated · as of Oct 6, 2026, 4:00 PM EDT · current source
Long-term rangesAvailable historyHide
Price history: 2004-03-25–2026-10-06. Earlier trading may not be included. Highs and lows use intraday prices when available, otherwise closing prices. The 52-week range is reported separately by Yahoo Finance.
Loading price chart…
Data dates
PriceAt closeLast traded
FundamentalsLast checked
AnalystLast checked
NewsLatest item
What matters next
Next important events
- Oct 27, 2026Next earningsFinnhub · Confirmed · Last verified 2026-10-07
Countdown
20 days out
Reported fundamentals
UCTT financial overview
Annual revenue
Not reported
Sales for the fiscal year ended Dec 26, 2025. This is not trailing twelve-month revenue.
Revenue change
Not comparable
Change versus the fiscal year ended Dec 27, 2024.
Net profit margin
Not reported
Net income divided by revenue for the fiscal year ended Dec 26, 2025. This is not the trailing margin.
These reported results describe the business’s recent scale and profitability. Compare cash generation and valuation before forming an investment view; historical growth is not a forecast.
Company · Profile
About Ultra Clean Holdings (UCTT)
Sector, leadership, and how Ultra Clean Holdings earns its revenue.
Technology
Company · Profile
About Ultra Clean Holdings (UCTT)
Sector, leadership, and how Ultra Clean Holdings earns its revenue.
Ultra Clean Holdings
NASDAQ · UCTT · US
Company overview as of Oct 7, 2026.
- Sector
- Technology
- Industry
- Semiconductors
- Headquarters
- Hayward, CA, United States
- Country
- US
- Founded
- 2004
- Employees
- 6,948
- CEO
- Jinsong Xiao
- Exchange
- NASDAQ
Business model & operating evidenceExplore business exposure, reported operating measures and the evidence behind growth and profitability claims.
Leadership
Chief executive officerName unavailable
Source: Financial Modeling Prep · Oct 7, 2026
Ownership filings and insider activityCompetitors & comparisonsCompare industry peers, reporting periods and related funds. Business mix and valuation bases may differ.
Governance & sustainability
All data sources
Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.
Premarket
Regular hours: 9:30 AM–4:00 PM America/New_York
Next open: 2026-10-07 · 9:30 AM America/New_York
Exchange calendar includes scheduled holidays and early closes. Extended-session prices appear separately only when supplied by the quote source.
Shortcuts
With research tools focused: / search · W watchlist · C compare · F financials · E earnings · N news · T technicals · Esc close