Ultra Clean Holdings, Inc.
As of Oct 22, 2026, Ultra Clean Holdings is in Stage 4, the downtrend phase, now in its first week (since Oct 16, 2026). It closed at $44.46, 68.8% below its 52-week high and below its 200-day average, which is rising.
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. More about the company
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UCTT among Semiconductor Equipment & Materials11th of 31 by relative strength
All 31 →| # | Stock | Stage | RS | 1M |
|---|---|---|---|---|
| 1 | AXTI | Stage 2 · wk 4 | 99 | −29.4% |
| 2 | TER | Stage 2 · wk 3 | 96 | −20.7% |
| 3 | AEHR | Stage 3 · wk 1 | 96 | −42.9% |
| 4 | FORM | Stage 2 · wk 3 | 96 | −27.6% |
| 5 | COHU | Stage 2 · wk 3 | 95 | −28.3% |
| 6 | KLIC | Stage 3 · wk 11 | 93 | −19.2% |
| 7 | AMAT | Stage 3 · wk 8 | 91 | −20.8% |
| 8 | ICHR | Stage 4 · wk 2 | 91 | −35.2% |
| …11 | UCTT | Stage 4 · wk 1 | 87 | −42.5% |
Ultra Clean Holdings: quick answers
What stage is Ultra Clean Holdings in?
As of Oct 22, 2026, Ultra Clean Holdings (UCTT) is in Stage 4, the downtrend phase. It entered Stage 4 on Oct 16, 2026 and is in its first week there. What the four stages mean
Is Ultra Clean Holdings in an uptrend?
No. Ultra Clean Holdings is in a Stage 4 downtrend. It trades 40.0% below its 200-day average, which is rising.
How far is Ultra Clean Holdings from its 52-week high?
Ultra Clean Holdings closed at $44.46 on Oct 22, 2026, 68.8% below its 52-week high of $142.59. Its 52-week low is $21.65.
How has Ultra Clean Holdings performed over the past year?
As of Oct 22, 2026, Ultra Clean Holdings is up 52.2% over the past year and up 62.7% so far in 2026.
Which sector and industry is Ultra Clean Holdings in?
Ultra Clean Holdings is in the Semiconductor Equipment & Materials industry, part of the Information Technology sector.
About this companyInformation Technology· Semiconductor Equipment & Materials
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.
Visit company website →All analytics based on EOD data. Data as of 2026-10-22. Past data patterns are not indicative of future results. This page is a data analytics tool only.