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Side-by-side financial comparison of Ultra Clean Holdings, Inc. (UCTT) and VIAVI SOLUTIONS INC. (VIAV). Click either name above to swap in a different company.

Ultra Clean Holdings, Inc. is the larger business by last-quarter revenue ($533.7M vs $369.3M, roughly 1.4× VIAVI SOLUTIONS INC.). Ultra Clean Holdings, Inc. runs the higher net margin — -2.8% vs -13.0%, a 10.2% gap on every dollar of revenue. On growth, VIAVI SOLUTIONS INC. posted the faster year-over-year revenue change (36.4% vs 2.9%). Over the past eight quarters, VIAVI SOLUTIONS INC.'s revenue compounded faster (22.5% CAGR vs 1.7%).

Ultra Clean Holdings, Inc. is a leading global supplier of critical subsystems, ultra-high purity cleaning services, and precision process components for the semiconductor, advanced display, and life sciences sectors. It operates across North America, Asia, and Europe, serving top semiconductor fabs and high-tech equipment manufacturers to support advanced microelectronics production.

Viavi Solutions Inc., formerly part of JDS Uniphase Corporation (JDSU), is an American network test, measurement and assurance technology company based in Chandler, Arizona. The company manufactures testing and monitoring equipment for networks. It also develops optical technology used for a range of applications including material quality control, currency anti-counterfeiting and 3D motion sensing, including Microsoft's Kinect video game controller.

UCTT vs VIAV — Head-to-Head

Bigger by revenue
UCTT
UCTT
1.4× larger
UCTT
$533.7M
$369.3M
VIAV
Growing faster (revenue YoY)
VIAV
VIAV
+33.5% gap
VIAV
36.4%
2.9%
UCTT
Higher net margin
UCTT
UCTT
10.2% more per $
UCTT
-2.8%
-13.0%
VIAV
Faster 2-yr revenue CAGR
VIAV
VIAV
Annualised
VIAV
22.5%
1.7%
UCTT

Income Statement — Q1 FY2026 vs Q2 FY2026

Metric
UCTT
UCTT
VIAV
VIAV
Revenue
$533.7M
$369.3M
Net Profit
$-15.0M
$-48.1M
Gross Margin
12.2%
57.0%
Operating Margin
2.1%
3.1%
Net Margin
-2.8%
-13.0%
Revenue YoY
2.9%
36.4%
Net Profit YoY
-500.0%
-628.6%
EPS (diluted)
$-0.40
$-0.21

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
UCTT
UCTT
VIAV
VIAV
Q1 26
$533.7M
Q4 25
$506.6M
$369.3M
Q3 25
$510.0M
$299.1M
Q2 25
$518.8M
$290.5M
Q1 25
$518.6M
$284.8M
Q4 24
$563.4M
$270.8M
Q3 24
$540.4M
$238.2M
Q2 24
$516.1M
$252.0M
Net Profit
UCTT
UCTT
VIAV
VIAV
Q1 26
$-15.0M
Q4 25
$-3.3M
$-48.1M
Q3 25
$-10.9M
$-21.4M
Q2 25
$-162.0M
$8.0M
Q1 25
$-5.0M
$19.5M
Q4 24
$16.3M
$9.1M
Q3 24
$-2.3M
$-1.8M
Q2 24
$19.1M
$-21.7M
Gross Margin
UCTT
UCTT
VIAV
VIAV
Q1 26
12.2%
Q4 25
15.2%
57.0%
Q3 25
16.1%
56.5%
Q2 25
15.3%
56.3%
Q1 25
16.2%
56.4%
Q4 24
16.3%
59.4%
Q3 24
17.3%
57.1%
Q2 24
17.1%
57.8%
Operating Margin
UCTT
UCTT
VIAV
VIAV
Q1 26
2.1%
Q4 25
2.2%
3.1%
Q3 25
2.1%
2.5%
Q2 25
-27.3%
5.3%
Q1 25
2.5%
3.0%
Q4 24
4.6%
8.2%
Q3 24
4.7%
4.8%
Q2 24
4.4%
-2.3%
Net Margin
UCTT
UCTT
VIAV
VIAV
Q1 26
-2.8%
Q4 25
-0.7%
-13.0%
Q3 25
-2.1%
-7.2%
Q2 25
-31.2%
2.8%
Q1 25
-1.0%
6.8%
Q4 24
2.9%
3.4%
Q3 24
-0.4%
-0.8%
Q2 24
3.7%
-8.6%
EPS (diluted)
UCTT
UCTT
VIAV
VIAV
Q1 26
$-0.40
Q4 25
$-0.07
$-0.21
Q3 25
$-0.24
$-0.10
Q2 25
$-3.58
$0.03
Q1 25
$-0.11
$0.09
Q4 24
$0.36
$0.04
Q3 24
$-0.05
$-0.01
Q2 24
$0.42
$-0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
UCTT
UCTT
VIAV
VIAV
Cash + ST InvestmentsLiquidity on hand
$323.5M
$767.4M
Total DebtLower is stronger
$601.9M
$1.2B
Stockholders' EquityBook value
$702.1M
$834.3M
Total Assets
$1.9B
$2.8B
Debt / EquityLower = less leverage
0.86×
1.46×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
UCTT
UCTT
VIAV
VIAV
Q1 26
$323.5M
Q4 25
$311.8M
$767.4M
Q3 25
$314.1M
$545.6M
Q2 25
$327.4M
$425.3M
Q1 25
$317.6M
$396.8M
Q4 24
$313.9M
$509.4M
Q3 24
$318.2M
$493.1M
Q2 24
$319.5M
$491.2M
Total Debt
UCTT
UCTT
VIAV
VIAV
Q1 26
$601.9M
Q4 25
$481.4M
$1.2B
Q3 25
$640.5M
Q2 25
$396.3M
Q1 25
$396.1M
Q4 24
$499.7M
$639.3M
Q3 24
$637.6M
Q2 24
$636.0M
Stockholders' Equity
UCTT
UCTT
VIAV
VIAV
Q1 26
$702.1M
Q4 25
$711.0M
$834.3M
Q3 25
$709.9M
$723.9M
Q2 25
$719.4M
$780.2M
Q1 25
$872.0M
$728.8M
Q4 24
$873.6M
$682.8M
Q3 24
$857.9M
$702.1M
Q2 24
$852.3M
$681.6M
Total Assets
UCTT
UCTT
VIAV
VIAV
Q1 26
$1.9B
Q4 25
$1.7B
$2.8B
Q3 25
$1.7B
$2.1B
Q2 25
$1.7B
$2.0B
Q1 25
$1.9B
$1.9B
Q4 24
$1.9B
$1.7B
Q3 24
$1.9B
$1.7B
Q2 24
$1.9B
$1.7B
Debt / Equity
UCTT
UCTT
VIAV
VIAV
Q1 26
0.86×
Q4 25
0.68×
1.46×
Q3 25
0.88×
Q2 25
0.51×
Q1 25
0.54×
Q4 24
0.57×
0.94×
Q3 24
0.91×
Q2 24
0.93×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
UCTT
UCTT
VIAV
VIAV
Operating Cash FlowLast quarter
$42.5M
Free Cash FlowOCF − Capex
$36.9M
FCF MarginFCF / Revenue
10.0%
Capex IntensityCapex / Revenue
1.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$78.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
UCTT
UCTT
VIAV
VIAV
Q1 26
Q4 25
$8.1M
$42.5M
Q3 25
$100.0K
$31.0M
Q2 25
$29.2M
$23.8M
Q1 25
$28.2M
$7.8M
Q4 24
$17.1M
$44.7M
Q3 24
$14.9M
$13.5M
Q2 24
$23.2M
$26.2M
Free Cash Flow
UCTT
UCTT
VIAV
VIAV
Q1 26
Q4 25
$-2.0M
$36.9M
Q3 25
$-10.9M
$22.5M
Q2 25
$12.4M
$18.3M
Q1 25
$15.8M
$1.0M
Q4 24
$-200.0K
$36.5M
Q3 24
$-300.0K
$6.2M
Q2 24
$10.2M
$22.4M
FCF Margin
UCTT
UCTT
VIAV
VIAV
Q1 26
Q4 25
-0.4%
10.0%
Q3 25
-2.1%
7.5%
Q2 25
2.4%
6.3%
Q1 25
3.0%
0.4%
Q4 24
-0.0%
13.5%
Q3 24
-0.1%
2.6%
Q2 24
2.0%
8.9%
Capex Intensity
UCTT
UCTT
VIAV
VIAV
Q1 26
Q4 25
2.0%
1.5%
Q3 25
2.2%
2.8%
Q2 25
3.2%
1.9%
Q1 25
2.4%
2.4%
Q4 24
3.1%
3.0%
Q3 24
2.8%
3.1%
Q2 24
2.5%
1.5%
Cash Conversion
UCTT
UCTT
VIAV
VIAV
Q1 26
Q4 25
Q3 25
Q2 25
2.98×
Q1 25
0.40×
Q4 24
1.05×
4.91×
Q3 24
Q2 24
1.21×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

UCTT
UCTT

Products$465.7M87%
Services$68.0M13%

VIAV
VIAV

Products$317.3M86%
Services$52.0M14%

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