Ultra Clean Holdings, Inc.
Ultra Clean Holdings, Inc. (Nasdaq: UCTT) develops and supplies critical subsystems, components, parts, and ultra-high-purity cleaning and analytical services, primarily for the semiconductor industry. Its Products segment designs, engineers, and manufactures production tools, components, modules, and subsystems for… From the company’s description.
In fiscal 2025, Ultra Clean Holdings, Inc. reported revenue of $2.05B, down 2.1% from fiscal 2024, and a net loss of $171.60M. Its operating margin was −5.2%, and operations generated $65.60M in cash. Over the twelve months to Jun 26, 2026, revenue was $2.20B.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Ultra Clean Holdings, Inc. does
In the company’s own words
Ultra Clean Holdings, Inc. (Nasdaq: UCTT) develops and supplies critical subsystems, components, parts, and ultra-high-purity cleaning and analytical services, primarily for the semiconductor industry. Its Products segment designs, engineers, and manufactures production tools, components, modules, and subsystems for semiconductor and display equipment markets, including gas and fluid delivery systems, chemical delivery modules, precision robotics, and process modules. Its Services segment provides process-tool parts cleaning and recoating, surface encapsulation, parts-life-extension solutions, and micro-contamination analysis, mainly for semiconductor device makers and wafer fabrication equipment companies. Other customers include businesses in display, consumer, medical, energy, industrial, and research equipment markets. Major customers include Applied Materials and Lam Research; together, the two largest customers account for 58.7% of fiscal 2025 revenue. The company operates manufacturing and service facilities in the United States, Asia Pacific, Europe, and the Middle East. As of December 26, 2025, it had 7,411 employees. Its website is www.uct.com.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Semiconductors
- Headquarters
- HAYWARD, CA
- Fiscal year end
- December
- CIK
- 1275014
- SIC
- 3674
Financial performance, year by year
Fiscal 2014–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Ultra Clean Holdings, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Ultra Clean Holdings, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Ultra Clean Holdings, Inc.’s bonds, as funds hold them
Funds report holding 1 issues of Ultra Clean Holdings, Inc.’s debt, $264.15M at market value — what funds hold, not the company’s total debt.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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