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10-K2026-02-23· merged:deepseek-v4-flash

UCTT · Ultra Clean Holdings, Inc.

0001628280-26-010744

SEC filing

Summary

Total revenue fell 2.1% to $2.054B, gross margin contracted 130 bps to 15.7%, and a $151.1M goodwill impairment drove an operating loss.

Key takeaways

Full analysis

Business

Company Overview

Ultra Clean Holdings, Inc. (UCT) is a leading developer and supplier of critical subsystems, components, parts, and ultra-high purity cleaning and analytical services primarily for the semiconductor industry. The company offers an integrated outsourced solution for major subassemblies, improved design-to-delivery cycle times, design for manufacturability, prototyping, component manufacturing, tool chamber parts cleaning and coating, and micro-contamination analytical services. UCT conducts operating activities primarily through its subsidiaries, with international revenues representing 75.9%, 73.0%, and 69.6% of total revenues for fiscal years 2025, 2024, and 2023, respectively.

Reporting Segments

UCT reports results in two segments: Products and Services. The Products segment designs, engineers and manufactures production tools, components and parts, and modules and subsystems for the semiconductor and display capital equipment markets. Offerings include chemical delivery modules, gas delivery systems, fluid delivery systems, precision robotics, process modules, and other high-level assemblies. The Services segment provides ultra-high purity parts cleaning, process tool part recoating, surface encapsulation and high sensitivity micro contamination analysis primarily for semiconductor device makers and wafer fabrication equipment markets.

Products & Platforms

Key products and platforms include: chemical delivery modules that deliver gases and reactive chemicals; gas delivery systems composed of weldments, filters, mass flow controllers, regulators, pressure transducers, valves, and integrated control systems; fluid delivery systems using PFA tubing and components; precision robotics for wafer handling and other motion tasks; process modules that integrate multiple subsystems for semiconductor manufacturing; and other high-level assemblies for semiconductor sub-fab, display, medical, energy, industrial, and research industries. Additionally, the company offers a wide range of parts and components such as ultra-clean valves, high purity connectors, pneumatic actuators, manifolds, hoses, and pressure gauges.

Go-To-Market & Customers

UCT sells and supports products and services through its Customer Business Management organization, with customer relationship directors dedicated to specific accounts. The company provides on-site support and has a global field service engineering team available 24/7. The customer base is concentrated: the two largest customers, Applied Materials and Lam Research, each accounted for more than 10% of total revenues in fiscal 2025, 2024, and 2023, and together represented 58.7%, 54.5%, and 57.4% of revenues in those years. Approximately 95.7% of fiscal 2025 revenues came from multiple segments of the semiconductor industry, including IDM, memory, foundry, OEM, and sub-tier suppliers.

Competition

Principal competitors vary by product category. For gas delivery systems: Ichor Systems and Fujikin. For other critical subsystems: Foxsemicon, Jabil, VDL ETG, Celestica, and Benchmark. For gas delivery components: Swagelok, Parker Hannifin, Fujikin, and Watlow. For services (cleaning and coating): KoMiCo, SHT, EnPro, and Pentagon. For analytical services: Balazs (Air Liquide), Eurofins, and SCAS. The filing notes that some competitors have substantially greater financial, technical, manufacturing, and marketing resources. Primary competitive factors include quality, meeting customer timeline requirements, price, technology, design-to-delivery cycle time, customer qualification approvals, and historical relationships.

Strategy

UCT's strategy comprises seven key elements: (1) expand solutions and service market share with semiconductor OEMs and IDMs; (2) develop or acquire solutions that allow customers to succeed at the leading edge of semiconductor processing nodes; (3) leverage geographic presence in lower-cost manufacturing regions; (4) provide production flexibility to respond rapidly to demand changes; (5) drive profitable growth with a flexible cost structure; (6) selectively pursue strategic acquisitions to improve financial model, expand geographic presence, and broaden capabilities; and (7) strengthen vertical integration by investing in operations or acquiring companies along the supply chain.

Human Capital

As of December 26, 2025, UCT had 7,411 employees, of which 463 were temporary. The workforce includes 146 in engineering, 57 in technology development, 508 in sales and support, 4,778 in direct manufacturing, 1,367 in indirect manufacturing, and 555 in administrative and executive functions. Geographically, 3,772 employees are in Asia Pacific and 1,663 in EMEA. Employees are not represented by labor unions except where required by local regulations, and the company has not experienced a significant work stoppage.

Period Performance

Period Performance

Fiscal 2025 total revenue decreased 2.1% year-over-year to $2.054 billion, driven by a 2.9% decline in Products segment revenue ($1.799B) partially offset by 4.4% growth in Services ($254.7M). Gross profit fell 9.4% to $322.9M, with gross margin contracting 130 basis points to 15.7%, as cost of revenues rose as a percentage of sales due to fixed costs and restructuring. Operating income swung to a loss of $107.4M from a profit of $91.2M in 2024, primarily due to a $151.1M goodwill impairment charge recorded in Q2 2025. The impairment affected the Fluid Solutions reporting unit within Products ($77.6M) and the Services segment ($73.5M), reducing their goodwill to zero. Excluding this non-cash charge, operating income would have been $43.7M. Other costs included higher stock-based compensation and severance from a voluntary early retirement program. Provision for income taxes decreased to $25.9M, with an effective tax rate of -17.8%, reflecting the valuation allowance and goodwill impairment.

Segment Dynamics

Products segment revenue declined 2.9% to $1.799B, reflecting lower customer demand in response to short-term market conditions. Cost of products revenues decreased 1.4% to $1.547B, but gross margin fell to 14.0% from 15.3% due to overhead and restructuring costs. Operating margin turned negative at -2.6%, driven by the $77.6M goodwill impairment. Services segment revenue increased 4.4% to $254.7M, driven by higher demand across its customer base. Cost of services revenues rose 7.3% to $184.1M, outpacing revenue growth, leading to a gross margin decline to 27.7% from 29.6%. Services operating margin was -24.0% after a $73.5M goodwill impairment. Without impairment, Services operating profit would have been $12.3M. The mix shifted slightly toward international revenue, which comprised 75.9% of total revenue (up from 73.0%), reflecting a shift in product shipments to international locations.

Forward View

Management emphasized growth drivers including new process architectures (gate-all-around), high-bandwidth memory, and AI/ML applications. They expect semiconductor OEMs to increasingly rely on partners like UCT for capacity expansion, and the Services business to benefit from precision cleaning needs. Capital expenditures typically run 2-4% of Products revenue and 5-10% of Services revenue; 2025 capex was $50.3M. The company has $311.8M in cash and $146.6M available under its revolving credit facility. A factoring agreement sold $56.4M of receivables in 2025. The credit facility's interest rate was reduced via amendments, with a current term loan rate of 6.7%. Management believes existing resources are sufficient for at least 12 months. The Pillar Two global minimum tax may increase tax rates in Singapore and Malaysia starting fiscal 2026. No specific quantitative guidance was provided for fiscal 2026.

Notes & Operating Detail

Balance Sheet & Liquidity

As of December 26, 2025, Ultra Clean held $311.8M in cash and cash equivalents, down slightly from $313.9M at year-end 2024. Total debt stood at $476.9M (net of $4.5M unamortized issuance costs), composed of $481.4M in principal under the Term Loan (maturing February 2028) and smaller local credit facilities. Shareholders' equity fell sharply to $784.1M from $935.8M, driven by a $171.6M net loss. Inventory increased to $390.9M from $381.0M, with raw materials and work-in-process rising while finished goods declined.

Commitments & Contractual Obligations

Note 6 details debt principal payments: $12.1M in 2026, $12.1M in 2027, and $457.2M in 2028. Operating lease obligations total $247.8M in undiscounted payments, with $32.2M due in 2026. Pension benefit payments are estimated at $22.6M through 2030+ (Note 8). No aggregate purchase commitments for inventory or supply were disclosed.

Capital Allocation (buybacks, dividends, debt, capex)

The company repurchased 0.2M shares for $3.4M in FY2025 under the prior $150M program. On October 23, 2025, the Board approved a new $150.0M three-year repurchase authorization; no shares had been bought under this program by year-end. Dividends of $0.1M were paid only to a joint venture shareholder. Net debt decreased $15.6M during the year. Capital expenditures totaled $50.3M (2.45% of sales), down from $63.5M in 2024. The company drew $59.3M and repaid $74.9M in borrowings under its credit facilities.

Segment / Geographic Mix (if disclosed at note level)

The company operates in two reportable segments: Products (87.6% of revenue) and Services (12.4%). Products revenue declined 2.9% to $1,799.3M, while Services grew 4.4% to $254.7M. Both segments reported operating losses after goodwill impairment: Products lost $46.2M (including $77.6M impairment) and Services lost $61.2M (including $73.5M impairment). Geographically, Singapore contributed the largest revenue share at $754.0M (36.7%), followed by the United States at $495.4M (24.1%), Austria $221.5M (10.8%), China $143.1M (7.0%), and others. Long-lived assets were concentrated in the US ($172.6M), Malaysia ($81.0M), and Israel ($69.6M).

Risk Factors

Industry and Customer Risks

Ultra Clean's revenue is heavily tied to the cyclical semiconductor and display industries, which have historically experienced sharp fluctuations. The company expects elevated demand driven by AI growth but warns of potential over-supply corrections. Customer concentration is acute: the top two OEMs contributed 58.7% of fiscal 2025 revenue. These customers are not contractually obligated to place orders, and they own the IP for products manufactured by Ultra Clean, giving them leverage to reduce prices or bring production in-house. A loss of any major customer would be difficult to replace.

Geopolitical and Regulatory Risks

US-China trade tensions are a key risk. The U.S. Department of Commerce has expanded export license requirements and added over 140 Chinese entities to the Entity List. This has created uncertainty for Ultra Clean's China operations, including potential negative impacts on its manufacturing subsidiary's utilization. The company also faces risks from tariffs and retaliatory measures. Additionally, operations in Israel (Fluid Solutions) are disrupted by the ongoing conflict with Hamas, affecting workforce and supply chains. Joint ventures in South Korea and China introduce further political and operational complexities.

Operational Risks

Supply chain dependencies on single- or sole-source suppliers, many designated by customers, pose a risk of disruptions. A ransomware attack on a key supplier already impacted production. The company is implementing a new ERP system, which could cause disruptions if not integrated successfully. Cybersecurity threats are evolving; the company lacks a backup data center, and past breaches (e.g., supplier ransomware) highlight vulnerabilities. Inventory management is critical, with inventory representing 22.6% of total assets; misforecasting demand could lead to write-offs.

Financial Risks

In Q2 2025, Ultra Clean recorded a $151.1M goodwill impairment due to a sustained decline in market capitalization. Further impairment is possible if conditions worsen. The company carries $481.4M in gross debt with restrictive covenants (leverage and fixed charge coverage). Failure to comply could accelerate repayment. Foreign exchange fluctuations are a concern given international operations, and changes in tax laws (e.g., Pillar Two global minimum tax) could increase the effective tax rate.

Competitive and Technology Risks

The semiconductor equipment market is highly competitive, with rivals possessing greater resources. Customers could develop in-house capabilities or license IP to competitors. Technological innovation, particularly in AI, requires timely adaptation; failure to achieve design wins or introduce competitive products could result in market share loss. AI adoption itself brings risks of errors, liability, and regulatory compliance costs.

Cash Flow Quality

Cash Flow Analysis

The provided document excerpt does not include the actual Consolidated Statements of Cash Flows or any numerical data from it. The text only contains the auditor's report and a table of contents referencing the cash flow statement. Therefore, no analysis of cash flow quality, CFO trends, capex intensity, or capital returns can be performed. To proceed, the full cash flow statement for the years ended December 26, 2025, December 27, 2024, and December 29, 2023 is required.