Ultra Clean Holdings
Two-segment picks-and-shovels: Products (designed-in subsystems and components built to WFE-OEM specs, ~87% of revenue) + Services (ultra-high-purity parts cleaning, coating and analytics near customer fabs, ~13%). Volume-driven, thin-margin outsourced manufacturing levered to the WFE capex cycle.
Earnings, margins, COGS & capex
A high-revenue, low-margin outsourced manufacturer whose top line tracks WFE capex at LRCX and AMAT. FY2025 revenue dipped ~2% to $2.05B and GAAP results swung to a $181.2M loss almost entirely from a $151.1M non-cash goodwill impairment (write-down of prior acquisitions); non-GAAP net income was $47.7M ($1.05/sh). Momentum turned in early FY2026: Q1 revenue $533.7M (+5% q/q) and a Q2 guide of $565-605M as an AI-driven fab-equipment expansion accelerates. The core tension is volume-up, margin-thin: gross margin sits ~16% and operating leverage is the whole bull/bear axis.
Income statement — where each revenue dollar goes
% of revenueOf every $1 of revenue, ~84¢ is cost of goods and ~15¢ operating expense, leaving ~1¢ of operating profit (~2¢ net).
Revenue trend
Margins
thin, roughly flat, key upside lever
improving modestly vs 16.1% in Q4 FY2025
rising with volume/fixed-cost absorption
recovering post-impairment
trough-cycle
COGS structure
Dominated by purchased materials and components (gas/fluid-delivery parts, machined metal, electronics) plus direct assembly labor and facility overhead; the buy-heavy, designed-to-spec bill of materials is why gross margin is structurally ~15-17% versus the 40%+ of the OEMs it supplies. Fixed-cost absorption across a global plant network drives incremental margin as volume ramps.
Capex
Capital-light relative to the fabs it serves, historically low-single-digit % of revenue; management states existing capacity can support ~$4B of revenue (its stated 2030 target) with only modest incremental investment, so the near-term ramp is largely capex-free operating leverage rather than a build cycle.
Latest earnings
Revenue and non-GAAP EPS above the midpoint of guidance; GAAP was a net loss of $17.9M (-$0.40/sh) while non-GAAP net income was $14.5M ($0.31/sh)
Q2 FY2026: revenue $565-605M; GAAP diluted EPS $0.20-0.36; non-GAAP diluted EPS $0.44-0.60 - a sequential step-up management ties to a multi-year AI-driven fab-equipment expansion
- Total revenue
- $533.7M
- Products / Services revenue
- $465.7M / $68.0M
- Non-GAAP gross margin
- 16.5%
- Non-GAAP EPS
- $0.31
- Cash / long-term debt
- $323.5M / $601.9M
Growth drivers
- AI-driven wafer-fab-equipment capex expansion at Lam Research and Applied Materials (logic, HBM/DRAM, advanced packaging)
- Operating leverage: fixed-cost absorption lifts margins as volume climbs from the 2024-25 trough
- Higher-margin Services segment (cleaning/analytics) growing alongside installed fab base
- Customer supply-chain regionalization favoring UCT's US + Southeast-Asia (Malaysia) footprint outside China
- Content gains as subsystems get designed into next-generation OEM platforms
Reported financials — SEC EDGAR
Audited GAAP figures pulled from SEC filings · latest filing 2026-02-23. The audited primary-source spine — not financial advice.
Revenue — annual (GAAP)
Margins & balance sheet — FY’25
Bull & bear
A high-operating-leverage, capital-light picks-and-shovels play on the AI-driven WFE supercycle: revenue is re-accelerating off a 2024-25 trough, capacity is already in place, and each incremental dollar of volume drops margin - so normalized earnings power sits well above depressed trailing results.
- Revenue turned up in Q1 FY2026 (+5% q/q) with a Q2 guide of $565-605M (~+10% q/q) and non-GAAP EPS $0.44-0.60, implying a steep sequential earnings ramp
- Capital-light: existing plants can support ~$4B revenue with modest capex, so the ramp is mostly free operating leverage rather than a spend cycle
- Largest independent subsystems supplier with designed-in qualification lock-in at LRCX and AMAT and a global footprint customers want for China de-risking
- FY2025 GAAP loss was driven by a $151.1M non-cash goodwill impairment now behind the company; non-GAAP earnings power ($1.05 FY2025) is set to expand as volume returns
- Direct leverage to secular AI capex - logic, HBM/DRAM and advanced packaging all pull WFE spend the company supplies into
A thin-margin, capital-intensive-customer-dependent contract manufacturer with ~59% of revenue in two buyers who hold the pricing power - trading at a rich multiple that already prices a sustained upcycle, leaving asymmetric downside if WFE digests or margins fail to inflect.
- Customer concentration is existential: LRCX (~37%) + AMAT (~21.7%) = 58.7% of FY2025 revenue, so both volume and price are dictated by two buyers who can dual-source to Ichor
- Margins are structurally low (~16% gross, ~2-5% operating) - a commoditized-assembly economic model with little pricing power and high fixed-cost downside in a downturn
- Valuation is stretched: ~$4.78B cap on FY2025 non-GAAP EPS of $1.05 is ~100x trailing, and EV/sales ~2.5x is rich for a low-margin cyclical - it prices a smooth multi-year upcycle
- Balance sheet carries ~$278M net debt / ~$602M gross debt into a cyclical business, and Q1 FY2026 operating cash flow was -$33.3M
- The $151.1M FY2025 goodwill impairment is evidence prior M&A destroyed value; WFE cyclicality and China export-control/demand risk can de-rate the stock quickly
What it is worth
Peer-relative EV/sales and P/E versus WFE-subsystem comps (ICHR, MKSI) cross-checked with a reverse-DCF read on implied volume/margin - not a full multi-tab DCF.
~$55-70
if WFE digests, margins stay pinned ~16% by customer pricing power, or a top-customer volume shift hits, the thin-margin cyclical de-rates toward ~1.5x sales and mid-teens P/E on lower earnings.
~$105-115
roughly current levels; a durable but not runaway upcycle with gross margin grinding toward high-teens and forward P/E in the high-30s to low-40s on ~$2.5-3.0 normalized EPS.
~$140+
if the AI-WFE ramp drives revenue toward ~$2.5B+ and non-GAAP operating margin recovers to high-single-digits, normalized EPS ~$3+ supports a mid-40s multiple as a scaled, capital-light cycle winner.
At ~$4.78B market cap (~$5.1B EV incl. ~$278M net debt) the stock trades ~2.5x FY2025 sales and ~100x trailing FY2025 non-GAAP EPS ($1.05) - optically extreme because earnings are trough-depressed. On a ramping FY2026 (Q2 non-GAAP EPS guide $0.44-0.60, annualizing toward ~$2+) the forward multiple compresses materially. The price implies the market is underwriting a sustained WFE upcycle plus margin recovery toward high-teens gross; the debate is whether that inflection holds given customer pricing power.
SWOT
Strengths
- Largest independent WFE subsystems supplier with the broadest product-plus-services portfolio and deep, designed-in relationships at the top OEMs
- Global manufacturing footprint (US, Southeast Asia incl. Malaysia, Europe) that lets customers diversify supply outside China
- Highly scalable, capital-light model - capacity toward ~$4B revenue with modest incremental capex
- Directly levered to the AI/WFE capex supercycle with re-accelerating revenue and a rising Q2 guide
Weaknesses
- Extreme customer concentration — Lam Research (~37%) and Applied Materials (~21.7%) together were 58.7% of FY2025 revenue
- Structurally thin margins (~16% gross, low-single-digit operating) with limited pricing power versus far larger customers
- FY2025 $151.1M goodwill impairment signals prior acquisitions (e.g. Ham-Let, HIS) were overpaid
- Net debt ~$278M and ~$602M gross debt going into a cyclical business; negative Q1 FY2026 operating cash flow on working-capital build
Opportunities
- Multi-year AI-driven build-out of logic, HBM/DRAM and advanced-packaging capacity lifting WFE spend
- Margin recovery toward high-teens gross / high-single-digit operating as volume absorbs fixed costs
- Share of wallet and content gains as OEMs outsource more subsystem integration
- Growth of the sticky, higher-margin Services (cleaning/analytics) segment near new fabs
Threats
- WFE cyclicality and any air-pocket or China-WFE digestion after a strong period
- OEM dual-sourcing (chiefly Ichor) that caps pricing power and can shift share
- Semiconductor export controls / China demand and geopolitical supply-chain risk
- Customer insourcing of subsystem assembly, or a single large customer reallocating volume
Moats, dependencies & bottlenecks
Moats
Once a subsystem is qualified into an OEM platform, re-qualifying a competitor is costly and slow - but OEMs deliberately dual-source (Ichor) to preserve leverage, capping the moat.
Largest independent subsystems supplier with a broader product-plus-services range and bigger global footprint than nearest peer Ichor - a real but narrow scale edge.
Ultra-high-purity cleaning and analytics located near customer fabs are sticky, recurring and higher-margin - the most defensible part of the model.
US + Southeast Asia (Malaysia) + Europe footprint is valuable as customers de-risk supply out of China; replicable over time but a current advantage.
Dependencies
Customer concentration 58.7% of FY2025 revenue from two customers (LRCX ~37%, AMAT ~21.7%); loss or volume reallocation of either would be severe.
Revenue tracks OEM equipment demand, which is highly cyclical and currently in an AI-driven up-phase.
machined metal, electronics) Buy-heavy BOM (e.g. Fujikin, Parker, MKS parts) exposes cost and lead-times; margin is sensitive to input pricing.
Geopolitical/regulatory Policy shifts on China WFE can swing OEM order patterns UCT supplies into.
Advantages
- Largest independent WFE subsystems supplier with broadest product + services portfolio
- Global, multi-region footprint enabling customer China-de-risking
- Capital-light scalability - ramp toward ~$4B revenue with modest capex
- Deep co-development / designed-in relationships with top OEMs
Weaknesses
- 58.7% revenue concentration in LRCX + AMAT with little pricing power
- Structurally thin margins and low, volatile free cash flow
- ~$278M net debt into a cyclical business; negative Q1 FY2026 operating cash flow
- History of value-destructive M&A (FY2025 $151.1M goodwill impairment)
Bottlenecks
- Margin ceiling imposed by large-customer pricing power - hard to move gross margin much above high-teens
- Cyclical, concentrated demand tied to two OEMs' capex timing
- Net debt / thin free cash flow limit balance-sheet flexibility through a downturn
- Input-cost and component lead-time exposure in a buy-heavy bill of materials
Top signals & trends
Top signals
Confirms the AI-driven WFE ramp is flowing through to UCT's order book.
The single most important variable; sustained move toward high-teens re-rates the earnings power.
UCT is a derivative of these two names' spend - watch their guides more than UCT's own.
Structural risk that any single-customer volume shift is outsized.
Q1 FY2026 OCF -$33.3M on working-capital build; needs to turn positive as the ramp matures.
Trends
Primary tailwind pulling WFE spend UCT supplies into.
Customers value UCT's US + Southeast-Asia footprint for non-China subsystem supply.
Keeps pricing power with customers and caps margin/share.
Can swing OEM order timing in either direction.
Expands the addressable content per equipment platform.
Ecosystem & competitor graph
Suppliers feed the company; customers pull from it. Line thickness shows the strength of each tie (supply-chain dependency, customer earnings contribution). Hover to isolate a tie.
Private (Japan) - ultra-high-purity gas/fluid-delivery components; also a competitor.
Fluid/motion-control components used in delivery subsystems.
Private - fittings, valves and fluid-system components.
Flow/pressure/vacuum components designed into modules; supplier and competitor.
Valve/instrumentation components for fluid-handling assemblies.
Largest customer at ~37% of FY2025 revenue; deposition/etch platforms UCT subsystems design into.
Second-largest customer at ~21.7% of FY2025 revenue; with LRCX ~58.7% combined.
Process-control OEM in the broader WFE customer set.
Lithography OEM; part of the broader WFE customer universe UCT serves indirectly.
Closest direct competitor in gas/fluid delivery subsystems; UCT is larger with a slightly better margin/scale profile.
Broader WFE subsystems/instruments supplier that both competes in modules and supplies components into the chain.
Large contract manufacturer competing for critical-subsystem and precision-assembly work.
EMS/ODM competitor for complex subsystem manufacturing.
EMS competitor in complex/precision manufacturing for semi-cap and industrial.
Taiwan-listed competitor for critical subsystems and frames; context only, not a US-framed call.
Private (Japan) competitor and supplier in gas-delivery components.
Private (Netherlands) precision-systems competitor for high-end subsystems.