vs

Side-by-side financial comparison of Koppers Holdings Inc. (KOP) 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 $432.7M, roughly 1.2× Koppers Holdings Inc.). Koppers Holdings Inc. runs the higher net margin — 6.9% vs -2.8%, a 9.7% gap on every dollar of revenue. On growth, Ultra Clean Holdings, Inc. posted the faster year-over-year revenue change (2.9% vs -9.3%). Over the past eight quarters, Ultra Clean Holdings, Inc.'s revenue compounded faster (1.7% CAGR vs -6.7%).

Koppers is a global chemical and materials company based in Pittsburgh, Pennsylvania, United States. Its headquarters is an art-deco 1920s skyscraper, the Koppers Tower.

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.

KOP vs UCTT — Head-to-Head

Bigger by revenue
UCTT
UCTT
1.2× larger
UCTT
$533.7M
$432.7M
KOP
Growing faster (revenue YoY)
UCTT
UCTT
+12.2% gap
UCTT
2.9%
-9.3%
KOP
Higher net margin
KOP
KOP
9.7% more per $
KOP
6.9%
-2.8%
UCTT
Faster 2-yr revenue CAGR
UCTT
UCTT
Annualised
UCTT
1.7%
-6.7%
KOP

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
KOP
KOP
UCTT
UCTT
Revenue
$432.7M
$533.7M
Net Profit
$29.7M
$-15.0M
Gross Margin
25.6%
12.2%
Operating Margin
11.5%
2.1%
Net Margin
6.9%
-2.8%
Revenue YoY
-9.3%
2.9%
Net Profit YoY
391.2%
-500.0%
EPS (diluted)
$1.44
$-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
KOP
KOP
UCTT
UCTT
Q1 26
$533.7M
Q4 25
$432.7M
$506.6M
Q3 25
$485.3M
$510.0M
Q2 25
$504.8M
$518.8M
Q1 25
$456.5M
$518.6M
Q4 24
$477.0M
$563.4M
Q3 24
$554.3M
$540.4M
Q2 24
$563.2M
$516.1M
Net Profit
KOP
KOP
UCTT
UCTT
Q1 26
$-15.0M
Q4 25
$29.7M
$-3.3M
Q3 25
$23.8M
$-10.9M
Q2 25
$16.4M
$-162.0M
Q1 25
$-13.9M
$-5.0M
Q4 24
$-10.2M
$16.3M
Q3 24
$22.8M
$-2.3M
Q2 24
$26.8M
$19.1M
Gross Margin
KOP
KOP
UCTT
UCTT
Q1 26
12.2%
Q4 25
25.6%
15.2%
Q3 25
24.1%
16.1%
Q2 25
22.6%
15.3%
Q1 25
23.2%
16.2%
Q4 24
17.5%
16.3%
Q3 24
21.9%
17.3%
Q2 24
21.6%
17.1%
Operating Margin
KOP
KOP
UCTT
UCTT
Q1 26
2.1%
Q4 25
11.5%
2.2%
Q3 25
10.7%
2.1%
Q2 25
7.7%
-27.3%
Q1 25
5.9%
2.5%
Q4 24
1.3%
4.6%
Q3 24
9.0%
4.7%
Q2 24
10.2%
4.4%
Net Margin
KOP
KOP
UCTT
UCTT
Q1 26
-2.8%
Q4 25
6.9%
-0.7%
Q3 25
4.9%
-2.1%
Q2 25
3.2%
-31.2%
Q1 25
-3.0%
-1.0%
Q4 24
-2.1%
2.9%
Q3 24
4.1%
-0.4%
Q2 24
4.8%
3.7%
EPS (diluted)
KOP
KOP
UCTT
UCTT
Q1 26
$-0.40
Q4 25
$1.44
$-0.07
Q3 25
$1.17
$-0.24
Q2 25
$0.81
$-3.58
Q1 25
$-0.68
$-0.11
Q4 24
$-0.47
$0.36
Q3 24
$1.09
$-0.05
Q2 24
$1.25
$0.42

Balance Sheet & Financial Strength

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

Metric
KOP
KOP
UCTT
UCTT
Cash + ST InvestmentsLiquidity on hand
$323.5M
Total DebtLower is stronger
$928.3M
$601.9M
Stockholders' EquityBook value
$574.0M
$702.1M
Total Assets
$1.9B
$1.9B
Debt / EquityLower = less leverage
1.62×
0.86×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOP
KOP
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
KOP
KOP
UCTT
UCTT
Q1 26
$601.9M
Q4 25
$928.3M
$481.4M
Q3 25
$932.9M
Q2 25
$977.5M
Q1 25
$989.0M
Q4 24
$939.5M
$499.7M
Q3 24
$989.4M
Q2 24
$1.0B
Stockholders' Equity
KOP
KOP
UCTT
UCTT
Q1 26
$702.1M
Q4 25
$574.0M
$711.0M
Q3 25
$545.6M
$709.9M
Q2 25
$526.8M
$719.4M
Q1 25
$498.0M
$872.0M
Q4 24
$488.7M
$873.6M
Q3 24
$532.3M
$857.9M
Q2 24
$509.2M
$852.3M
Total Assets
KOP
KOP
UCTT
UCTT
Q1 26
$1.9B
Q4 25
$1.9B
$1.7B
Q3 25
$1.9B
$1.7B
Q2 25
$1.9B
$1.7B
Q1 25
$1.9B
$1.9B
Q4 24
$1.9B
$1.9B
Q3 24
$2.0B
$1.9B
Q2 24
$1.9B
$1.9B
Debt / Equity
KOP
KOP
UCTT
UCTT
Q1 26
0.86×
Q4 25
1.62×
0.68×
Q3 25
1.71×
Q2 25
1.86×
Q1 25
1.99×
Q4 24
1.92×
0.57×
Q3 24
1.86×
Q2 24
1.97×

Cash Flow & Capital Efficiency

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

Metric
KOP
KOP
UCTT
UCTT
Operating Cash FlowLast quarter
$45.1M
Free Cash FlowOCF − Capex
$28.5M
FCF MarginFCF / Revenue
6.6%
Capex IntensityCapex / Revenue
3.8%
Cash ConversionOCF / Net Profit
1.52×
TTM Free Cash FlowTrailing 4 quarters
$67.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOP
KOP
UCTT
UCTT
Q1 26
Q4 25
$45.1M
$8.1M
Q3 25
$49.6M
$100.0K
Q2 25
$50.5M
$29.2M
Q1 25
$-22.7M
$28.2M
Q4 24
$74.7M
$17.1M
Q3 24
$29.8M
$14.9M
Q2 24
$27.2M
$23.2M
Free Cash Flow
KOP
KOP
UCTT
UCTT
Q1 26
Q4 25
$28.5M
$-2.0M
Q3 25
$37.6M
$-10.9M
Q2 25
$38.4M
$12.4M
Q1 25
$-37.0M
$15.8M
Q4 24
$56.1M
$-200.0K
Q3 24
$14.4M
$-300.0K
Q2 24
$10.1M
$10.2M
FCF Margin
KOP
KOP
UCTT
UCTT
Q1 26
Q4 25
6.6%
-0.4%
Q3 25
7.7%
-2.1%
Q2 25
7.6%
2.4%
Q1 25
-8.1%
3.0%
Q4 24
11.8%
-0.0%
Q3 24
2.6%
-0.1%
Q2 24
1.8%
2.0%
Capex Intensity
KOP
KOP
UCTT
UCTT
Q1 26
Q4 25
3.8%
2.0%
Q3 25
2.5%
2.2%
Q2 25
2.4%
3.2%
Q1 25
3.1%
2.4%
Q4 24
3.9%
3.1%
Q3 24
2.8%
2.8%
Q2 24
3.0%
2.5%
Cash Conversion
KOP
KOP
UCTT
UCTT
Q1 26
Q4 25
1.52×
Q3 25
2.08×
Q2 25
3.08×
Q1 25
Q4 24
1.05×
Q3 24
1.31×
Q2 24
1.01×
1.21×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KOP
KOP

Other$127.8M30%
Railroad Treated Products$119.0M28%
Utility Poles$79.8M18%
Pitch And Related Products$74.1M17%
Carbon Black Feedstock And Distillates$14.4M3%
Railroad Infrastructure Products And Services$9.9M2%
Phthalic Anhydride Naphthalene And Other Chemicals$7.7M2%

UCTT
UCTT

Products$465.7M87%
Services$68.0M13%

Related Comparisons