UCTT

MKT CAP:$4B

Ultra Clean Holdings, Inc.

Market Cap

$4B

Technology·Semiconductors·🇺🇸 United States·NASDAQ

Technology·Semiconductors·🇺🇸·NASDAQ

Stock Price

$79.51+$52.19 (+191.03%)

Apr 17, 2026

Company Details

Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and ultra-high purity cleaning and analytical services for the semiconductor industry in the United States and internationally. The company provides...

CEO

Jinsong Xiao

IPO Date

Mar 25, 2004

Website

www.uct.com

Key Metrics TTM

Revenue

$1.9B

+77.3% YoY

Net Income

$600.0K

EPS (Diluted)

$0.02

Free Cash Flow

$43M

Revenue / Share

$42.92

Gross Margin

17.0%

Operating Margin

3.3%

Net Margin

0.0%

FCF Margin

2.2%

P/S

1.9x

P/E

6293.5x

Earnings Reports

Q1 2026

Apr 28, 2026

PENDING

FY 2025

Feb 23, 2026

$2.1BEPS -$4.00

Q4 2025

Feb 23, 2026

$507MEPS -$0.07

Q1 2024

May 6, 2024

$478MEPS -$0.21

FY 2023

Mar 6, 2024

$1.7BEPS -$0.70

Revenue & Profitability

Quarter	Revenue	Gross Profit	Operating Income
Q1 16	$112M	$15M	-$698.0K
Q2 16	$130M	$19M	$4M
Q3 16	$146M	$23M	$7M
Q4 16	$175M	$30M	$13M
Q1 17	$205M	$37M	$20M
Q2 17	$228M	$43M	$24M
Q3 17	$243M	$43M	$23M
Q4 17	$249M	$44M	$22M
Q1 18	$315M	$49M	$27M
Q2 18	$290M	$46M	$23M
Q2 21	$515M	$100M	$32M
Q4 23	$445M	$71M	$5M
Q1 24	$478M	$83M	$17M
Q4 25	$507M	$77M	$11M

Valuation

Quarter	P/S	P/E
Q1 16	—	—
Q2 16	—	—
Q3 16	—	—
Q4 16	6.7x	375.7x
Q1 17	5.8x	136.7x
Q2 17	5.0x	80.2x
Q3 17	4.4x	58.8x
Q4 17	4.1x	50.3x
Q1 18	3.6x	44.2x
Q2 18	3.4x	44.8x
Q2 21	2.8x	46.2x
Q4 23	2.4x	66.2x
Q1 24	2.2x	165.2x
Q4 25	1.9x	6293.5x

Operating Cash Flow

Quarter	Operating CF	Free CF
Q1 16	-$196.0K	-$2M
Q2 16	$4M	$2M
Q3 16	$6M	$4M
Q4 16	$8M	$6M
Q1 17	$9M	$6M
Q2 17	$11M	$8M
Q3 17	$17M	$11M
Q4 17	$11M	$8M
Q1 18	$5M	-$832.0K
Q2 18	-$17M	-$21M
Q2 21	$51M	$35M
Q4 23	$35M	$18M
Q1 24	$10M	-$8M
Q4 25	$8M	-$3M

Capital Expenditures

Quarter	CapEx
Q1 16	$2M
Q2 16	$2M
Q3 16	$2M
Q4 16	$2M
Q1 17	$3M
Q2 17	$3M
Q3 17	$7M
Q4 17	$4M
Q1 18	$6M
Q2 18	$4M
Q2 21	$16M
Q4 23	$17M
Q1 24	$18M
Q4 25	$10M

CapEx

OpEx vs Revenue Growth (YoY)

Quarter	Revenue Growth	OpEx Growth
Q1 17	+82.3%	+63.7%
Q2 17	+75.8%	+61.6%
Q3 17	+66.0%	+57.3%
Q4 17	+42.6%	+40.2%
Q1 18	+53.9%	+55.8%
Q2 18	+27.1%	+31.2%
Q2 21	+112.4%	+120.3%
Q4 23	+78.7%	+94.0%
Q1 24	+51.7%	+59.9%
Q4 25	+74.6%	+85.3%

Stock-Based Compensation

Quarter	SBC ($)	% of Revenue
Q1 16	$1M	0.9%
Q2 16	$1M	0.9%
Q3 16	$2M	1.3%
Q4 16	$2M	0.9%
Q1 17	$1M	0.7%
Q2 17	$1M	0.6%
Q3 17	$2M	0.9%
Q4 17	$3M	1.1%
Q1 18	$3M	0.8%
Q2 18	$2M	0.8%
Q2 21	$0	0.0%
Q4 23	$3M	0.8%
Q1 24	$4M	0.7%
Q4 25	$0	0.0%

OpEx Breakdown

Quarter	R&D	G&A	S&M
Q1 16	$2M	$10M	$3M
Q2 16	$2M	$10M	$3M
Q3 16	$2M	$12M	$3M
Q4 16	$3M	$11M	$3M
Q1 17	$3M	$12M	$3M
Q2 17	$3M	$13M	$3M
Q3 17	$3M	$13M	$4M
Q4 17	$3M	$15M	$4M
Q1 18	$3M	$15M	$4M
Q2 18	$3M	$17M	$4M
Q2 21	$6M	$49M	$13M
Q4 23	$7M	$47M	$13M
Q1 24	$7M	$45M	$14M
Q4 25	$9M	$42M	$16M

Revenue Segments

Quarter	Product	Service
Q2 21	$443M	$73M
Q1 24	$419M	$59M
Q4 25	$442M	$64M

Revenue by Geography

Quarter	Austria	China	Other Geographical Areas	Singapore	United States	I S R	Korea, Republic Of	Taiwan, Province Of China	Israel	Malaysia	Taiwan
Q1 16	$9M	$3M	$2M	$33M	$66M	—	—	—	—	—	—
Q2 16	$9M	$1M	$8M	$43M	$68M	—	—	—	—	—	—
Q3 16	$8M	$7M	$9M	$39M	$83M	—	—	—	—	—	—
Q1 17	$11M	$13M	$16M	$60M	$104M	—	—	—	—	—	—
Q2 17	$8M	$5M	$11M	$74M	$129M	—	—	—	—	—	—
Q3 17	$6M	$7M	$17M	$73M	$139M	—	—	—	—	—	—
Q1 18	$14M	$2M	$12M	$103M	$185M	—	—	—	—	—	—
Q2 18	$16M	$17M	$15M	$83M	$159M	—	—	—	—	—	—
Q2 21	$21M	$25M	$34M	$183M	$187M	$5M	$37M	$23M	—	—	—
Q1 24	$38M	$55M	$36M	$157M	$141M	—	$24M	—	$4M	$7M	$16M
Q4 25	$64M	$27M	$47M	$191M	$120M	—	$27M	—	—	$16M	$15M

War Chest

Quarter	Cash	Short-term Investments	Total
Q1 22	$367M	$0	$367M
Q2 22	$421M	$0	$421M
Q3 22	$454M	$0	$454M
Q4 22	$359M	$0	$359M
Q1 23	$322M	$0	$322M
Q2 23	$321M	$0	$321M
Q3 23	$342M	$0	$342M
Q4 23	$307M	$0	$307M
Q1 24	$293M	$0	$293M
Q2 24	$320M	$0	$320M
Q3 24	$318M	$0	$318M
Q4 24	$314M	$0	$314M
Q1 25	$318M	$0	$318M
Q2 25	$327M	$0	$327M
Q3 25	$314M	$0	$314M
Q4 25	$312M	$0	$312M

Shares Outstanding

Quarter	Shares (Diluted)	QoQ Change	YoY Change
Q1 16	32M	—	—
Q2 16	33M	+1.5%	—
Q3 16	33M	+0.9%	—
Q4 16	34M	+1.3%	—
Q1 17	34M	+1.0%	+4.8%
Q2 17	34M	+0.6%	+3.9%
Q3 17	34M	+0.9%	+3.8%
Q4 17	35M	+0.4%	+2.9%
Q1 18	37M	+8.7%	+10.7%
Q2 18	39M	+4.8%	+15.4%
Q2 21	44M	+12.6%	+28.8%
Q4 23	45M	+1.0%	+29.6%
Q1 24	45M	-0.2%	+19.0%
Q4 25	45M	+1.6%	+15.3%

Shares Outstanding

Revenue Per Employee

Period	Revenue/Employee	Employees
Q1 16	$61.8K	2K
Q2 16	$71.5K	2K
Q3 16	$80.4K	2K
Q4 16	$80.0K	2K
Q1 17	$93.8K	2K
Q2 17	$104.6K	2K
Q3 17	$111.2K	2K
Q4 17	$90.6K	3K
Q1 18	$114.6K	3K
Q2 18	$105.6K	3K
Q2 21	$103.1K	5K
Q4 23	$66.8K	7K
Q1 24	$71.8K	7K
Q4 25	$68.4K	7K

Revenue / Employee