Ultra Clean Holdings, Inc. (UCTT) is a Technology stock trading at $66.12 (as of 2026-09-02), with a market capitalization of $2.92B. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.
Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and ultra-high purity cleaning and analytical services for the semiconductor industry in the United States and internationally. The company provides ultra-clean valves, high purity connectors, industrial process connectors and valves, pneumatic actuators, manifolds and safety solutions, hoses, pressure gauges, and gas line and component heaters; chemical delivery modules that deliver gases and reactive chemicals in a liquid or gaseous form from a centralized subsystem to the reaction chamber; and gas delivery systems, such as weldments, filters, mass flow controllers, regulators, pressure transducers and valves, component heaters, and an integrated electronic and/or pneumatic control system. It also offers various industrial and automation production equipment; fluid delivery systems consist of one or more chemical delivery units, including PFA tubing, filters, flow controllers, regulators, component heaters, and an integrated electronic and/or pneumatic control system; precision robotic systems; top-plate assemblies; frame assemblies; process modules, a subsystem of semiconductor manufacturing tools that process integrated circuits onto wafers; and other high-level assemblies. In addition, the company provides tool chamber parts cleaning and coating services; micro-contamination analysis services for tool parts, wafers and depositions, chemicals, cleanroom materials, deionized water, and airborne molecular contamination; and analytical verification services for process tool chamber part cleaning. It primarily serves original equipment manufacturing customers in the semiconductor capital equipment and semiconductor integrated device manufacturing industries, as well as display, consumer, medical, energy, industrial, and research equipment industries. The company was founded in 1991 and is headquartered in Hayward, California.
Ultra Clean Holdings sells ultra-pure valves, connectors, and gas/chemical delivery systems that sit inside semiconductor wafer fabs, earning revenue from component sales and cleaning services. The bulk of revenue (78%) comes from hardware products, with the rest from recurring service contracts tied to fab uptime.
The profit model is a capex play, not an opex play: 78% of revenue is one-time hardware sold during fab construction, and the 12% services slice is too small to smooth the trough between buildout cycles.
| Products | $0.5B |
| Services | $0.1B |
Business quality (Mixed): Mixed. 16% gross and 5% operating margins are thin for a specialized components maker, and negative ROE signals the equity base is still absorbing losses. The technical niche is defensible, but the margin profile leaves little room for pricing pressure.
| Price | $66.12 |
| Market Cap | $2.92B |
| EV / EBITDA | 29.6 |
| Price / Book | 4.07 |
| Price / Sales | 1.33 |
| FCF Yield | 0.5% |
| DCF Value (model) | $6.01 |
| DCF Upside vs Price | -90.9% |
| Revenue (TTM) | $2.05B |
| Net Margin | -8.8% |
| Revenue Growth (YoY) | 24.3% |
| EPS Growth (YoY) | -105.3% |
| FCF Growth (YoY) | -562.1% |
| Altman Z-Score | 3.47 (safe) |
| Piotroski F-Score | 4/9 (moderate) |
| Sector P/E (Technology) | 31.8 |
| Industry P/E (Electronic Equipment) | 38.0 |
| Top Institutional Holder | BlackRock, Inc. ($424.85M) |
| Institutional Holders Tracked | 10 |
| Sector | Technology |
| Industry | Electronic Equipment |
| CEO | James Xiao |
| Employees | 6,773 |
| Country | US |
| IPO Date | 2004-03-25 |
Data as of 2026-09-02.
Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.