Health score, price, valuation, risk signals, and key metrics at a glance.
Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and cleaning and analytical services for the semiconductor industry in the United States and internationally. The company offers outsourced solutions for the development, design, component sourcing and cleaning, prototyping, engineering, and manufacturing and testing of advanced systems. It also provides a range of gas delivery solutions, such as precision thermal products, valves, connectors, industrial process connectors and valves, pneumatic actuators, manifolds and safety solutions, hoses, pressure gauges, gas lines, and component heaters, as well as complex weldments. In addition, the company offers assemblies, including gas and fluid delivery solutions, wafer transport systems, mechatronic assemblies, process modules, and sub-fab process equipment support racks; weldments and frames with exacting standards; heaters, sensors, and controllers for precise temperature control; integrated device manufacturers and OEMs validated process tool chamber parts cleaning and coating services; and tool part process optimization solutions, analytical verification of process tool chamber part cleaning effectiveness and micro contamination analysis of tool parts, wafers and depositions, chemicals, cleanroom materials, deionized water, and airborne molecular contamination. It primarily serves 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.
Strongest: Balance Sheet & Red Flags (18/25); weakest: Cash & Earnings Quality (4/25).
Today's multiple positioned against its own trailing range — a visual premium/discount check.
Currently above its 11-quarter median.
Currently above its 19-quarter median.
Data-driven signals worth keeping an eye on across the last 8 quarters
The company posted negative operating margins in recent quarters — core operations are unprofitable.
Free cash flow has been negative in 6 of the last 8 quarters — earnings are not translating to cash.
as of June 2026
Revenue, EBITDA, operating income, net income, EPS, and shares
Gross, EBITDA, operating, and net margin trends
P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield
Total assets, cash, debt, book value, and leverage
Operating cash flow, free cash flow, FCF margin, and earnings quality
Currently above its 19-quarter median.
Revenue has softened, declining in 3 quarters. Watch for further erosion.
The last 4 consecutive quarters had negative FCF — the company is burning cash and may need external funding.