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Side-by-side financial comparison of RLI CORP (RLI) and Ultra Clean Holdings, Inc. (UCTT). 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 $465.7M, roughly 1.1× RLI CORP). RLI CORP runs the higher net margin — 19.6% vs -2.8%, a 22.4% gap on every dollar of revenue. On growth, RLI CORP posted the faster year-over-year revenue change (6.1% vs 2.9%). Over the past eight quarters, RLI CORP's revenue compounded faster (2.3% CAGR vs 1.7%).

RLI Corp. is an American insurance company specializing in property insurance and casualty insurance. It is headquartered in Peoria, Illinois.

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.

RLI vs UCTT — Head-to-Head

Bigger by revenue
UCTT
UCTT
1.1× larger
UCTT
$533.7M
$465.7M
RLI
Growing faster (revenue YoY)
RLI
RLI
+3.1% gap
RLI
6.1%
2.9%
UCTT
Higher net margin
RLI
RLI
22.4% more per $
RLI
19.6%
-2.8%
UCTT
Faster 2-yr revenue CAGR
RLI
RLI
Annualised
RLI
2.3%
1.7%
UCTT

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
RLI
RLI
UCTT
UCTT
Revenue
$465.7M
$533.7M
Net Profit
$91.2M
$-15.0M
Gross Margin
12.2%
Operating Margin
24.4%
2.1%
Net Margin
19.6%
-2.8%
Revenue YoY
6.1%
2.9%
Net Profit YoY
123.1%
-500.0%
EPS (diluted)
$1.00
$-0.40

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
RLI
RLI
UCTT
UCTT
Q1 26
$533.7M
Q4 25
$465.7M
$506.6M
Q3 25
$509.3M
$510.0M
Q2 25
$499.8M
$518.8M
Q1 25
$407.7M
$518.6M
Q4 24
$439.1M
$563.4M
Q3 24
$470.0M
$540.4M
Q2 24
$416.4M
$516.1M
Net Profit
RLI
RLI
UCTT
UCTT
Q1 26
$-15.0M
Q4 25
$91.2M
$-3.3M
Q3 25
$124.6M
$-10.9M
Q2 25
$124.3M
$-162.0M
Q1 25
$63.2M
$-5.0M
Q4 24
$40.9M
$16.3M
Q3 24
$95.0M
$-2.3M
Q2 24
$82.0M
$19.1M
Gross Margin
RLI
RLI
UCTT
UCTT
Q1 26
12.2%
Q4 25
15.2%
Q3 25
16.1%
Q2 25
15.3%
Q1 25
16.2%
Q4 24
16.3%
Q3 24
17.3%
Q2 24
17.1%
Operating Margin
RLI
RLI
UCTT
UCTT
Q1 26
2.1%
Q4 25
24.4%
2.2%
Q3 25
30.9%
2.1%
Q2 25
31.3%
-27.3%
Q1 25
19.3%
2.5%
Q4 24
10.8%
4.6%
Q3 24
24.9%
4.7%
Q2 24
24.8%
4.4%
Net Margin
RLI
RLI
UCTT
UCTT
Q1 26
-2.8%
Q4 25
19.6%
-0.7%
Q3 25
24.5%
-2.1%
Q2 25
24.9%
-31.2%
Q1 25
15.5%
-1.0%
Q4 24
9.3%
2.9%
Q3 24
20.2%
-0.4%
Q2 24
19.7%
3.7%
EPS (diluted)
RLI
RLI
UCTT
UCTT
Q1 26
$-0.40
Q4 25
$1.00
$-0.07
Q3 25
$1.35
$-0.24
Q2 25
$1.34
$-3.58
Q1 25
$0.68
$-0.11
Q4 24
$-2.87
$0.36
Q3 24
$2.06
$-0.05
Q2 24
$1.78
$0.42

Balance Sheet & Financial Strength

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

Metric
RLI
RLI
UCTT
UCTT
Cash + ST InvestmentsLiquidity on hand
$323.5M
Total DebtLower is stronger
$601.9M
Stockholders' EquityBook value
$1.8B
$702.1M
Total Assets
$6.2B
$1.9B
Debt / EquityLower = less leverage
0.86×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RLI
RLI
UCTT
UCTT
Q1 26
$323.5M
Q4 25
$311.8M
Q3 25
$314.1M
Q2 25
$327.4M
Q1 25
$317.6M
Q4 24
$313.9M
Q3 24
$318.2M
Q2 24
$319.5M
Total Debt
RLI
RLI
UCTT
UCTT
Q1 26
$601.9M
Q4 25
$481.4M
Q3 25
$100.0M
Q2 25
$100.0M
Q1 25
$100.0M
Q4 24
$100.0M
$499.7M
Q3 24
$100.0M
Q2 24
$100.0M
Stockholders' Equity
RLI
RLI
UCTT
UCTT
Q1 26
$702.1M
Q4 25
$1.8B
$711.0M
Q3 25
$1.9B
$709.9M
Q2 25
$1.7B
$719.4M
Q1 25
$1.6B
$872.0M
Q4 24
$1.5B
$873.6M
Q3 24
$1.7B
$857.9M
Q2 24
$1.6B
$852.3M
Total Assets
RLI
RLI
UCTT
UCTT
Q1 26
$1.9B
Q4 25
$6.2B
$1.7B
Q3 25
$6.2B
$1.7B
Q2 25
$6.0B
$1.7B
Q1 25
$5.7B
$1.9B
Q4 24
$5.6B
$1.9B
Q3 24
$5.8B
$1.9B
Q2 24
$5.5B
$1.9B
Debt / Equity
RLI
RLI
UCTT
UCTT
Q1 26
0.86×
Q4 25
0.68×
Q3 25
0.05×
Q2 25
0.06×
Q1 25
0.06×
Q4 24
0.07×
0.57×
Q3 24
0.06×
Q2 24
0.06×

Cash Flow & Capital Efficiency

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

Metric
RLI
RLI
UCTT
UCTT
Operating Cash FlowLast quarter
$156.8M
Free Cash FlowOCF − Capex
$155.0M
FCF MarginFCF / Revenue
33.3%
Capex IntensityCapex / Revenue
0.4%
Cash ConversionOCF / Net Profit
1.72×
TTM Free Cash FlowTrailing 4 quarters
$608.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RLI
RLI
UCTT
UCTT
Q1 26
Q4 25
$156.8M
$8.1M
Q3 25
$179.2M
$100.0K
Q2 25
$174.7M
$29.2M
Q1 25
$103.5M
$28.2M
Q4 24
$128.1M
$17.1M
Q3 24
$219.4M
$14.9M
Q2 24
$141.8M
$23.2M
Free Cash Flow
RLI
RLI
UCTT
UCTT
Q1 26
Q4 25
$155.0M
$-2.0M
Q3 25
$177.8M
$-10.9M
Q2 25
$173.4M
$12.4M
Q1 25
$102.5M
$15.8M
Q4 24
$127.6M
$-200.0K
Q3 24
$219.0M
$-300.0K
Q2 24
$139.1M
$10.2M
FCF Margin
RLI
RLI
UCTT
UCTT
Q1 26
Q4 25
33.3%
-0.4%
Q3 25
34.9%
-2.1%
Q2 25
34.7%
2.4%
Q1 25
25.1%
3.0%
Q4 24
29.0%
-0.0%
Q3 24
46.6%
-0.1%
Q2 24
33.4%
2.0%
Capex Intensity
RLI
RLI
UCTT
UCTT
Q1 26
Q4 25
0.4%
2.0%
Q3 25
0.3%
2.2%
Q2 25
0.3%
3.2%
Q1 25
0.3%
2.4%
Q4 24
0.1%
3.1%
Q3 24
0.1%
2.8%
Q2 24
0.7%
2.5%
Cash Conversion
RLI
RLI
UCTT
UCTT
Q1 26
Q4 25
1.72×
Q3 25
1.44×
Q2 25
1.41×
Q1 25
1.64×
Q4 24
3.13×
1.05×
Q3 24
2.31×
Q2 24
1.73×
1.21×

Financial Flow Comparison

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

Revenue Breakdown by Segment

RLI
RLI

Casualty Segment$246.8M53%
Property Insurance Segment$122.5M26%
Other$59.3M13%
Surety Insurance Segment$37.1M8%

UCTT
UCTT

Products$465.7M87%
Services$68.0M13%

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