Ultra Clean Holdings, Inc. (UCTT) stock
Close on Nov 13, 2026Market cap $2.22BP/E 81.3Yield –
Ultra Clean Holdings, Inc. grew revenue 15.8% to $2.44B over the twelve months to Sep 25, 2026. Free cash flow was -$164.00M, down 1059.1% from a year earlier. At the latest close the market valued the company at $2.22B, 81.3 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 25, 2026
Valuation
- Market cap
- $2.22B
- P/E ratio
- 81.3
- Price to sales
- 0.91
- Price to book
- 3.06
- Dividend yield
- –
- Free cash flow yield
- -7.38%
Fundamentals
- Revenue
- $2.44B
- Net income
- $26.60M
- EPS, diluted
- $0.57
- Free cash flow
- -$164.00M
- Book value per share
- $15.75
- Diluted shares
- 46M
Trading
- Previous close
- $48.10
- Open
- $47.25
- Day's range
- $44.28 – $47.79
- Volume
- 699,286
- Average volume (20 days)
- 1,548,540
- Index membership
- S&P SmallCap 600, Russell 2000, Russell 3000
- Beta (5 years)
- 2.07
- 52-week range
- $21.48 – $144.22
- RSI (14 days)
- 42.3
- Volatility (1 year)
- 92.8%
- Relative volume
- 0.56×
- WACC
- 12.8%
On 1 of our idea list: Stocking up
Index membership is inferred from the holdings of funds that track each index (SPSM, IJR, IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2010, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.
| Period | UCTT | S&P 500 | Difference | UCTT per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -24.0% | -3.0% | −21.0 pts | ||
| 3 months | -50.1% | -2.8% | −47.3 pts | ||
| Year to date | +83.0% | +11.5% | +71.5 pts | ||
| 1 year | +90.1% | +13.5% | +76.7 pts | ||
| 3 years | +83.5% | +77.7% | +5.8 pts | +22.4% | +21.1% |
| 5 years | -21.3% | +72.6% | −93.9 pts | -4.7% | +11.5% |
| 10 years | +380.8% | +308.2% | +72.6 pts | +17.0% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Ultra Clean filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- News
- News
- Results
- Results
About Ultra Clean
Semiconductors & Related Devices
Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components, ultra-high purity cleaning, and analytical services primarily for the semiconductor industry. The company operates through two main business segments: Products and Services. Its Products segment designs, engineers, and manufactures gas and chemical delivery systems, fluid delivery modules, precision robotics, frame assemblies, and process modules. Its Services segment provides precision tool chamber parts cleaning, recoating, surface encapsulation, and micro-contamination analysis. UCT primarily serves semiconductor capital equipment manufacturers and device makers, while also supplying customers across the display, medical, energy, consumer, and industrial sectors.
Company profile, executives and historyUltra Clean stock: common questions
What is Ultra Clean's stock price?
UCTT closed at $46.35 on Nov 13, 2026, down 3.64% on the day. Over the past 52 weeks it traded between $21.48 and $144.22.
What is Ultra Clean's market cap?
Ultra Clean was worth $2.22B at the close on Nov 13, 2026: the share price times the diluted shares outstanding.
What is UCTT's P/E ratio?
UCTT trades at 81.3 times earnings, based on diluted earnings per share of $0.57 over the twelve months to Sep 25, 2026.
How much revenue does Ultra Clean make?
Ultra Clean reported revenue of $2.44B for the twelve months to Sep 25, 2026, up 15.8% from a year earlier.
Does Ultra Clean pay a dividend?
No. Ultra Clean has not paid a cash dividend over the last twelve months.
How has UCTT stock performed over the past year?
Including dividends, UCTT returned +90.1% over the past year, against +13.5% for the S&P 500.
How many UCTT shares are sold short?
4M shares were sold short at the latest FINRA report, 8.12% of the float, or 2.3 days of average trading volume.
Who are Ultra Clean's competitors?
Companies most similar to Ultra Clean by business, industry and size include ICHR, DIOD, KLIC, Q, OSIS.
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