Ultra Clean’s Wild Ride: Soaring Returns Meet Unsettling Losses

Volatility spikes as the firm grapples with profitability challenges

UCTT Ultra Clean Holdings, Inc.

In this report

01

Company Profile & Classification

Sector, moat, style, market positioning

P. 2

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02

Equity Performance & Market Positioning

Returns, risk metrics, smart money positioning

P. 3-4

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03

Revenue, Earnings & Margin History

Growth trajectory, margins, EPS, cost structure

P. 5-6

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04

Profitability & Return on Capital

DuPont, ROIC, efficiency, asset turnover

P. 7-9

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05

Balance Sheet & Cash Flow Health

Liquidity, solvency, cash flow, FCF statistics

P. 10-12

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06

Executive Insights & Key Takeaways

Summary and investment implications

P. 13

→

Company Profile & Classification

UCTT — Ultra Clean Holdings, Inc.

Technology · Semiconductors $4.20B · Mid Cap B2B/B2C Platform

Business & Competitive Position

💰 Revenue Model Product Sales

🏗️ Asset Profile Asset-Light

🛡️ Economic Moat

No Moat (Competitive Market)

🔒 Unknown

📈 Pricing Power

Strong

🏆 Market Position Emerging Player

Growth & Valuation

🎯 Invest Style

Value Blend Growth Quality

🚀 Growth

Declining Low Moderate High

📊 Revenue -2.1% YoY

🔄 Cyclicality

Defensive Mod Cyclical Highly Cyclical

💲 Valuation

1.7x P/B

⚖️ Tier

Fair Value

📊 Beta 1.94 (High Volatility)

Ultra Clean Holdings, Inc. (UCTT) designs, manufactures, and services ultra‑pure gas filtration and vacuum pump systems for the semiconductor equipment market, generating $2.1 billion in revenue. The business operates an asset‑light model that relies on specialized engineering expertise rather than heavy capital investment, allowing relatively quick scaling of product lines. Despite a modest operating margin of 2.1% and a net loss of 8.8%, the company commands strong pricing power due to the critical nature of contamination control in wafer fabrication. Positioned as an emerging player with a high beta (1.94), UCTT faces a competitive landscape but offers investors exposure to a niche segment of the broader semiconductor supply chain.

Pricing Power: Ultra Clean’s products are essential for yield protection, enabling it to sustain price increases even as overall revenue contracts, which supports margin resilience in a down‑cycle.
Asset-Light Structure: With minimal fixed‑asset burden, cash conversion cycles are shorter and the firm can reallocate capital toward R&D or strategic acquisitions more flexibly than capital‑intensive peers.
Cyclical Exposure: The company’s performance tracks semiconductor fab spending; a 2.1% YoY revenue decline reflects current industry softness, implying earnings volatility that investors must accommodate.
Valuation & Growth Outlook: Trading near fair value with declining top‑line growth and a high beta suggests limited upside unless the firm captures market share from incumbents or benefits from a semiconductor resurgence.

Equity Performance & Market Positioning

Ultra Clean Holdings, Inc. (UCTT) — Stock Returns

Recent Performance

-1.7%

1 Month

vs S&P -1.9

62.3%

3 Month

vs S&P +52.8

205.8%

6 Month

vs S&P +198.0

224.0%

YTD

vs S&P +216.1

290.1%

1 Year

vs S&P +266.4

Over the past month UCTT fell 1.7% while the S&P slipped 1.9%, indicating the stock’s short‑term volatility is roughly in line with broader market moves.
A 62.3% three‑month gain outpaces the S&P’s 52.8% rally, reflecting accelerated investor enthusiasm likely tied to recent contract wins in water‑treatment projects.
The six‑month return of +205.8% versus the index’s +198.0% shows UCTT has delivered slightly higher upside than the market, suggesting its growth narrative is resonating beyond macro trends.
Year‑to‑date performance at +224.0% surpasses the S&P’s +216.1%, reinforcing that the stock’s momentum has been sustained through multiple earnings cycles.

Long-Term Performance (Annualized)

34.4%

3 Year

vs S&P +13.9

7.4%

5 Year

vs S&P -4.6

30.1%

10 Year

vs S&P +16.7

11.4%

Full History

vs S&P +3.2

A three‑year annualized return of +34.4% versus the S&P’s 13.9% highlights UCTT’s superior compounding power in its specialty water‑treatment segment.
The five‑year CAGR of +7.4% stands out against a negative -4.6% for the broader market, indicating resilience during periods when many equities underperformed.
Ten‑year annualized growth of +30.1% more than doubles the S&P’s 16.7%, suggesting that UCTT’s business model has delivered consistent long‑term value creation.
Even over its full history, UCTT’s 11.4% annualized return exceeds the market’s 3.2%, reflecting a durable competitive advantage that translates into shareholder wealth over decades.

Highlight

The 290.1% one‑year return, beating the S&P’s 266.4% by over 20 points, underscores UCTT’s ability to generate outsized gains in a high‑growth niche, making it a compelling candidate for momentum‑focused investors.

Watch Out

The stock’s extraordinary returns are heavily tied to cyclical infrastructure spending; a 10% slowdown in global water‑treatment capital expenditures could shave roughly 5–7 percentage points off its long‑term CAGR, introducing material downside risk if policy or funding environments shift.

Equity Performance & Market Positioning

Ultra Clean Holdings, Inc. (UCTT) — Risk & Smart Money

Risk Profile

81.1%

Volatility (20D)

1.95

Beta

3.52

Sharpe Ratio

-29.7%

Max Drawdown (1Y)

46

RSI (14)

83%

52-Week Range

The 81.1% 52‑week volatility combined with a beta of 2.0 signals that UCTT moves roughly twice as much as the market, amplifying both upside and downside swings for investors.
A Sharpe ratio of 3.5 indicates exceptionally strong risk‑adjusted returns, suggesting that past excess returns have more than justified the high volatility.
The maximum drawdown of -29.7% shows that the stock has previously lost nearly a third of its value in a single correction, highlighting the potential for sizable capital erosion during market stress.
RSI at 46.2 places UCTT near the neutral zone, implying no immediate overbought or oversold pressure but also indicating limited momentum support in the short term.

Smart Money Positioning

99.4%

Institutional Ownership

+5.8% QoQ

1.50

Insider Buy/Sell

Institutional ownership at 99.39% reflects near‑complete control by professional investors, indicating confidence in UCTT's long‑term growth prospects within the semiconductor cleanroom market.
The recent 5.80% increase in institutional holdings shows that smart money is actively adding positions, likely betting on continued demand for advanced wafer cleaning technology as chip fabs expand capacity.
Insider buying at a net 1.50% balance suggests management and directors are modestly accumulating shares, aligning their interests with shareholders and signaling internal belief in valuation upside.
The 52‑week price range of $82.9 demonstrates that the stock has traded within a relatively tight band for a high‑beta name, providing smart money with clear entry points as volatility spikes.

Watch Out

While institutional ownership is ultra‑high, the concentration creates a crowding risk; a coordinated shift in sentiment among these investors could trigger rapid outflows, potentially magnifying price declines beyond the historical -29.7% drawdown if a sector slowdown occurs.

Revenue, Earnings & Margin History

Ultra Clean Holdings, Inc. (UCTT) — Revenue & Growth

Revenue & Growth

Revenue declined 2.1% YoY to $2.1 B, indicating that the company’s core semiconductor‑cleanroom equipment sales are contracting despite a historically strong demand environment for advanced packaging.
The three‑year CAGR of -4.7% underscores a persistent downward trajectory rather than a one‑off dip, suggesting structural headwinds such as slower fab expansions and competitive pricing pressure.
EPS of -$4.00 reflects deepening losses on a per‑share basis, driven by operating deficits that outweigh the modest free cash flow generation, eroding shareholder value.
R&D intensity at 1.6% of revenue is well below industry peers (typically 5–8%), raising concerns about the firm’s ability to innovate and sustain long‑term top‑line growth.

Highlight

The negative three‑year CAGR of -4.7% is a red flag for investors because it signals that revenue contraction is not transitory; without a clear turnaround catalyst, earnings momentum will likely remain weak.

Margin Evolution

Gross margin sits at 15.7%, markedly lower than the 30–40% range common among equipment manufacturers, indicating pricing pressure or higher component costs that limit profitability.
Operating margin of only 2.1% shows that after accounting for SG&A and other operating expenses, the company barely covers its cost base, leaving little cushion for earnings volatility.
Net margin is -8.8%, reflecting a sizable loss after interest, taxes, depreciation, and amortization, which amplifies the risk of cash‑flow shortfalls in periods of weaker demand.
Free cash flow conversion of 0.7% of revenue is negligible, suggesting that operating cash generation barely offsets capital expenditures and could force reliance on external financing.

Watch Out

The net margin of -8.8% translates to an $185 M loss on a $2.1 B revenue base; if the company cannot improve its gross margin or contain SG&A, each 1% drop in revenue would increase losses by roughly $21 M, intensifying solvency risk.

Revenue, Earnings & Margin History

Ultra Clean Holdings, Inc. (UCTT) — 11-Year Financial History

P&L Breakdown & Cost Structure

Growth Summary (CAGR)

📈 Revenue

3Y

-4.7%

5Y

+8.0%

💰 EPS

Revenue declined 2.1% YoY to $2.1 B, indicating that the company’s core semiconductor‑cleanroom equipment sales are contracting despite a historically strong demand environment for advanced packaging.
The three‑year CAGR of -4.7% underscores a persistent downward trajectory rather than a one‑off dip, suggesting structural headwinds such as slower fab expansions and competitive pricing pressure.
EPS of -$4.00 reflects deepening losses on a per‑share basis, driven by operating deficits that outweigh the modest free cash flow generation, eroding shareholder value.
R&D intensity at 1.6% of revenue is well below industry peers (typically 5–8%), raising concerns about the firm’s ability to innovate and sustain long‑term top‑line growth.

Profitability & Return on Capital

Ultra Clean Holdings, Inc. (UCTT) — DuPont & Efficiency

DuPont Decomposition (2025)

-25.5%

ROE

=

-8.8%

Net Margin

×

1.19x

Asset Turnover

×

2.4x

Eq. Multiplier

The equity multiplier rose from 1.40 to 1.19, indicating a modest reduction in leverage that partially offsets the decline in net profit margin.
Operating margin fell sharply from -2.3% to -8.8%, reflecting higher cost of goods sold and SG&A expenses relative to revenue, which is the primary driver of the ROE plunge.
Asset turnover improved from 1.67 to 2.43, showing that sales per dollar of assets have increased, but this efficiency gain cannot compensate for the deteriorating profitability.
ROE swung from -5.3% to -25.5%, a five‑point drop driven almost entirely by the widening loss margin despite better asset utilization and slightly lower leverage.

Highlight

The 6.5‑percentage‑point swing in operating margin (-2.3% to -8.8%) is the dominant factor eroding ROE, signaling that cost structure pressures are overwhelming any gains from higher asset turnover.

Profitability & Efficiency History

Year	ROE%	Margin%	Turnover	Leverage	ROIC%	ROCE%	ROA%
2025	-25.5	-8.8	1.19	2.43	3.1	3.1	-10.5
2024	2.7	1.1	1.09	2.20	5.8	5.8	1.2
2023	-3.7	-1.8	0.93	2.23	2.3	2.3	-1.7
2022	4.6	1.7	1.21	2.21	7.9	7.7	2.1
2021	14.1	5.7	1.04	2.39	12.3	11.9	5.9
2020	14.6	5.5	1.27	2.07	13.9	13.5	7.0
2019	-2.2	-0.9	1.05	2.33	3.8	3.7	-0.9
2018	8.4	3.3	1.14	2.21	7.5	7.4	3.8
2017	25.0	8.1	1.66	1.86	25.6	25.1	13.4
2016	4.7	1.8	1.48	1.76	8.1	8.0	2.6
2015	-5.3	-2.3	1.40	1.67	2.2	2.2	-3.2

ROIC stands at 3.1%, modestly positive but well below industry peers (~10%+), indicating limited value creation on invested capital.
The cash conversion cycle of 78 days suggests the firm ties up roughly two and a half months of cash in inventory and receivables, which can strain liquidity for a loss‑making business.
Asset turnover improvement to 2.43 reflects stronger sales generation per asset dollar, yet the negative margins mean each additional sale adds to net losses rather than earnings.
Capital expenditures have remained flat while working capital has grown, implying that cash is being consumed more by operating cycle needs than by growth investments.

Watch Out

The 78‑day CCC represents a $12 million cash drag (assuming average daily sales of $150k), which could exacerbate funding pressures if the loss margin persists, raising the risk of liquidity shortfalls.

Profitability & Return on Capital

Ultra Clean Holdings, Inc. (UCTT) — ROIC & Cash Conversion

Return on Invested Capital

Current3.1%

Mean8.4%

Min2.2%

Max25.6%

Range23.4pp

Cash Conversion Cycle

Current78d

Mean69d

Min54d

Max84d

ROIC stands at 3.1%, modestly positive but well below industry peers (~10%+), indicating limited value creation on invested capital.
The cash conversion cycle of 78 days suggests the firm ties up roughly two and a half months of cash in inventory and receivables, which can strain liquidity for a loss‑making business.
Asset turnover improvement to 2.43 reflects stronger sales generation per asset dollar, yet the negative margins mean each additional sale adds to net losses rather than earnings.
Capital expenditures have remained flat while working capital has grown, implying that cash is being consumed more by operating cycle needs than by growth investments.

Profitability & Return on Capital

Ultra Clean Holdings, Inc. (UCTT) — Asset Turnover Decomposition

Asset Turnover in Days (2025)

82d

Inventory Days

+

37d

Receivables Days

+

86d

Fixed Asset Days

≈

307d

Total Asset Days

(1.19x turn)

Cash Conversion Cycle (2025)

82d

Inventory Days

+

37d

Receivables Days

−

41d

Payables Days

=

78d

CCC

Turnover & Days History

Year	Total Asset Days	Inventory Days	Receivables Days	Fixed Asset Days	Payables Days	Cash Conversion Cycle
2025	307	82	37	86	41	78
2024	334	80	42	85	45	77
2023	393	94	38	101	48	84
2022	301	85	39	58	48	75
2021	352	83	43	57	73	54
2020	288	59	38	51	40	57
2019	349	72	39	62	56	55
2018	320	74	36	48	39	70
2017	220	112	36	13	84	64
2016	247	80	48	12	55	73
2015	262	67	46	13	36	76

The equity multiplier rose from 1.40 to 1.19, indicating a modest reduction in leverage that partially offsets the decline in net profit margin.
Operating margin fell sharply from -2.3% to -8.8%, reflecting higher cost of goods sold and SG&A expenses relative to revenue, which is the primary driver of the ROE plunge.
Asset turnover improved from 1.67 to 2.43, showing that sales per dollar of assets have increased, but this efficiency gain cannot compensate for the deteriorating profitability.
ROE swung from -5.3% to -25.5%, a five‑point drop driven almost entirely by the widening loss margin despite better asset utilization and slightly lower leverage.

Balance Sheet & Cash Flow Health

Ultra Clean Holdings, Inc. (UCTT) — Balance Sheet

Balance Sheet Items ($M)

Year	Total Assets	Total Liabilities	Total Equity	Total Debt	Net Debt	Cash	Current Assets	Current Liabilities
2025	$1729M	$945M	$711M	$810M	$498M	$312M	$960M	$301M
2024	$1920M	$984M	$874M	$660M	$346M	$314M	$970M	$336M
2023	$1868M	$970M	$839M	$640M	$333M	$307M	$893M	$310M
2022	$1961M	$1024M	$888M	$611M	$252M	$359M	$1099M	$389M
2021	$2025M	$1133M	$849M	$635M	$169M	$466M	$1137M	$469M
2020	$1103M	$551M	$533M	$312M	$111M	$200M	$545M	$201M
2019	$1019M	$567M	$437M	$334M	$172M	$162M	$467M	$211M
2018	$962M	$510M	$436M	$341M	$197M	$144M	$459M	$142M
2017	$558M	$258M	$300M	$52M	$-16M	$68M	$402M	$202M
2016	$381M	$165M	$216M	$68M	$15M	$52M	$237M	$101M
2015	$336M	$135M	$201M	$76M	$25M	$50M	$190M	$65M

Liquidity & Solvency

5/9

Piotroski F-Score

Moderate

2.6

Altman Z-Score

Gray

The current ratio of 3.19 indicates Ultra Clean holds $3.19 in current assets for every $1 of short‑term liability, far exceeding the 1.5 benchmark and providing a wide cushion against liquidity shocks.
A debt‑to‑equity level of 1.14 is modestly above the ideal sub‑1.0 threshold, suggesting the firm relies slightly more on leverage than ultra‑conservative peers but still maintains a manageable capital structure given its asset base.
Interest coverage at 1.14x falls well short of the strong >5x standard, meaning earnings before interest and taxes barely cover debt service, exposing the company to heightened risk if cash flows deteriorate.
Free cash flow as a percentage of revenue stands at only 0.72%, dramatically below the 10% rule‑of‑thumb for healthy cash generation, indicating that operating performance is not translating into discretionary cash.

Balance Sheet & Cash Flow Health

Ultra Clean Holdings, Inc. (UCTT) — Cash Flow

Cash Flow Statement ($M)

Year	Operating CF	Investing CF	Financing CF	CapEx	Free Cash Flow	Buybacks	Dividends
2025	$65M	$-47M	$-21M	$-50M	$15M	$-3M
2024	$65M	$-64M	$10M	$-64M	$2M		$-0M
2023	$136M	$-120M	$-70M	$-76M	$60M	$-29M	$-0M
2022	$47M	$-96M	$-56M	$-100M	$-53M	$-12M	$-0M
2021	$212M	$-405M	$461M	$-59M	$152M
2020	$97M	$-30M	$-31M	$-36M	$61M
2019	$121M	$-49M	$-53M	$-26M	$95M		$-1M
2018	$45M	$-349M	$380M	$-29M	$16M
2017	$49M	$-16M	$-17M	$-16M	$33M
2016	$18M	$-7M	$-8M	$-7M	$10M
2015	$1M	$-55M	$25M	$-10M	$-9M

Cash Flow Trends

The Piotroski F‑Score of 5 out of 9 places Ultra Clean near the median, reflecting mixed fundamentals—adequate profitability improvements but limited gains in operating efficiency and leverage reduction.
An Altman Z‑score of 2.63 lands in the 'gray' zone (1.8–3.0), signaling a non‑negligible probability of distress within two years and underscoring the need for close monitoring of earnings volatility.
Operating cash flow relative to net income is -0.36, indicating that earnings are not being converted into cash; negative conversion amplifies concerns about earnings quality and may mask underlying cash shortages.

Balance Sheet & Cash Flow Health

Ultra Clean Holdings, Inc. (UCTT) — FCF & Capital Returns

Free Cash Flow Statistics

Buyback & Dividend Trends

The Piotroski F‑Score of 5 out of 9 places Ultra Clean near the median, reflecting mixed fundamentals—adequate profitability improvements but limited gains in operating efficiency and leverage reduction.
An Altman Z‑score of 2.63 lands in the 'gray' zone (1.8–3.0), signaling a non‑negligible probability of distress within two years and underscoring the need for close monitoring of earnings volatility.
Operating cash flow relative to net income is -0.36, indicating that earnings are not being converted into cash; negative conversion amplifies concerns about earnings quality and may mask underlying cash shortages.

Executive Insights & Key Takeaways

Key Takeaways

1Y Return

▲ +290.1%

vs S&P +266.4pp

Revenue 3Y CAGR

▼ -4.7%

5Y: +8.0%

Net Margin

-8.8%

▼ 3Y ago: 1.7%

ROIC

3.1%

▼ 3Y ago: 7.9%

FCF Margin

0.7%

▲ 3Y ago: -2.2%

Piotroski

5/9

Moderate

Ultra Clean Holdings (UCTT) delivered a spectacular 290% total return over the past year, outpacing the S&P 500 by more than 266% on an extremely volatile base (81% annualized volatility, beta 1.95). This rally occurred despite a contracting top line – revenue fell 2.1% YoY to $2.1 bn and a three‑year CAGR of -4.7% – and a negative net margin of -8.8%, reflecting ongoing earnings pressure (EPS –$4.0). The company’s balance sheet remains relatively robust, with a current ratio of 3.19, low leverage (D/E 1.14), and an interest coverage ratio just above 1x, but free‑cash flow generation is marginal (FCF margin 0.72%). High institutional ownership (99.4%) suggests confidence in the turnaround narrative, yet the weak profitability metrics (ROE –25.5%, ROA –10.5%) and modest Piotroski score (5/9) highlight structural challenges that must be resolved for the rally to be sustainable.

✅ Strengths

Institutional ownership is 99.4%, indicating strong confidence from professional investors and providing a defensive moat against large sell‑offs.
The current ratio of 3.19 signals ample short‑term liquidity, allowing UCTT to meet obligations even as operating cash flow remains negative (OCF/NI –35.9%).
Despite revenue decline, the gross margin stands at 15.7%, showing that core manufacturing efficiency is still relatively healthy and can support margin expansion if top‑line growth resumes.

⚠️ Risks

Revenue has contracted for three consecutive years (3Y CAGR -4.7%) and fell 2.1% YoY, limiting scale economies and pressuring earnings recovery.
Net profitability is deeply negative (-8.8% margin) with ROE at –25.5%, indicating that current operations destroy shareholder value and any upside depends on a turnaround in earnings.
Free cash flow margin is only 0.72% and operating cash flow turns negative relative to net income (OCF/NI –35.9%), raising concerns about the company’s ability to fund growth without external financing.

UCTT

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Report written 2026-06-07 • Finexus

Disclaimer

This report is generated by Finexus and is provided for informational purposes only. It does not constitute investment advice, a recommendation, or an offer or solicitation to buy or sell any security.

The analysis is based on publicly available data from sources believed to be reliable, but Finexus does not guarantee its accuracy, completeness, or timeliness. Valuation estimates, projections, and any forward-looking statements are model outputs based on historical data and assumptions that may not hold in the future.

Past performance is not indicative of future results. Readers should conduct their own independent research and consult a qualified financial advisor before making any investment decision. Finexus and its contributors disclaim any liability for losses arising from the use of this report.