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Side-by-side financial comparison of ACM Research, Inc. (ACMR) and Koppers Holdings Inc. (KOP). Click either name above to swap in a different company.

Koppers Holdings Inc. is the larger business by last-quarter revenue ($432.7M vs $231.3M, roughly 1.9× ACM Research, Inc.). ACM Research, Inc. runs the higher net margin — 7.5% vs 6.9%, a 0.6% gap on every dollar of revenue. On growth, ACM Research, Inc. posted the faster year-over-year revenue change (34.2% vs -9.3%). Over the past eight quarters, ACM Research, Inc.'s revenue compounded faster (6.9% CAGR vs -6.7%).

ACM Research, Inc. is a leading global supplier of advanced processing equipment for the semiconductor manufacturing industry. It designs, develops and commercializes high-performance wet processing systems including wafer cleaning, electroplating and etching tools, which support production of advanced logic, memory and power semiconductor chips, serving chip manufacturers across Asia, North America and Europe.

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.

ACMR vs KOP — Head-to-Head

Bigger by revenue
KOP
KOP
1.9× larger
KOP
$432.7M
$231.3M
ACMR
Growing faster (revenue YoY)
ACMR
ACMR
+43.5% gap
ACMR
34.2%
-9.3%
KOP
Higher net margin
ACMR
ACMR
0.6% more per $
ACMR
7.5%
6.9%
KOP
Faster 2-yr revenue CAGR
ACMR
ACMR
Annualised
ACMR
6.9%
-6.7%
KOP

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ACMR
ACMR
KOP
KOP
Revenue
$231.3M
$432.7M
Net Profit
$17.3M
$29.7M
Gross Margin
46.4%
25.6%
Operating Margin
15.6%
11.5%
Net Margin
7.5%
6.9%
Revenue YoY
34.2%
-9.3%
Net Profit YoY
-44.7%
391.2%
EPS (diluted)
$0.24
$1.44

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
ACMR
ACMR
KOP
KOP
Q1 26
$231.3M
Q4 25
$244.4M
$432.7M
Q3 25
$269.2M
$485.3M
Q2 25
$215.4M
$504.8M
Q1 25
$172.3M
$456.5M
Q4 24
$223.5M
$477.0M
Q3 24
$204.0M
$554.3M
Q2 24
$202.5M
$563.2M
Net Profit
ACMR
ACMR
KOP
KOP
Q1 26
$17.3M
Q4 25
$8.0M
$29.7M
Q3 25
$35.9M
$23.8M
Q2 25
$29.8M
$16.4M
Q1 25
$20.4M
$-13.9M
Q4 24
$31.1M
$-10.2M
Q3 24
$30.9M
$22.8M
Q2 24
$24.2M
$26.8M
Gross Margin
ACMR
ACMR
KOP
KOP
Q1 26
46.4%
Q4 25
40.9%
25.6%
Q3 25
42.0%
24.1%
Q2 25
48.5%
22.6%
Q1 25
47.9%
23.2%
Q4 24
49.6%
17.5%
Q3 24
51.4%
21.9%
Q2 24
47.8%
21.6%
Operating Margin
ACMR
ACMR
KOP
KOP
Q1 26
15.6%
Q4 25
9.4%
11.5%
Q3 25
10.7%
10.7%
Q2 25
14.7%
7.7%
Q1 25
15.0%
5.9%
Q4 24
19.7%
1.3%
Q3 24
21.7%
9.0%
Q2 24
18.6%
10.2%
Net Margin
ACMR
ACMR
KOP
KOP
Q1 26
7.5%
Q4 25
3.3%
6.9%
Q3 25
13.3%
4.9%
Q2 25
13.8%
3.2%
Q1 25
11.8%
-3.0%
Q4 24
13.9%
-2.1%
Q3 24
15.2%
4.1%
Q2 24
12.0%
4.8%
EPS (diluted)
ACMR
ACMR
KOP
KOP
Q1 26
$0.24
Q4 25
$0.11
$1.44
Q3 25
$0.52
$1.17
Q2 25
$0.44
$0.81
Q1 25
$0.30
$-0.68
Q4 24
$0.47
$-0.47
Q3 24
$0.45
$1.09
Q2 24
$0.35
$1.25

Balance Sheet & Financial Strength

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

Metric
ACMR
ACMR
KOP
KOP
Cash + ST InvestmentsLiquidity on hand
$872.3M
Total DebtLower is stronger
$314.8M
$928.3M
Stockholders' EquityBook value
$2.1B
$574.0M
Total Assets
$3.1B
$1.9B
Debt / EquityLower = less leverage
0.15×
1.62×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACMR
ACMR
KOP
KOP
Q1 26
$872.3M
Q4 25
$792.9M
Q3 25
$1.1B
Q2 25
$463.2M
Q1 25
$475.6M
Q4 24
$426.8M
Q3 24
$353.8M
Q2 24
$343.6M
Total Debt
ACMR
ACMR
KOP
KOP
Q1 26
$314.8M
Q4 25
$214.0M
$928.3M
Q3 25
$242.0M
$932.9M
Q2 25
$225.1M
$977.5M
Q1 25
$202.5M
$989.0M
Q4 24
$150.0M
$939.5M
Q3 24
$150.0M
$989.4M
Q2 24
$90.5M
$1.0B
Stockholders' Equity
ACMR
ACMR
KOP
KOP
Q1 26
$2.1B
Q4 25
$1.5B
$574.0M
Q3 25
$1.4B
$545.6M
Q2 25
$986.5M
$526.8M
Q1 25
$949.1M
$498.0M
Q4 24
$904.6M
$488.7M
Q3 24
$888.2M
$532.3M
Q2 24
$833.2M
$509.2M
Total Assets
ACMR
ACMR
KOP
KOP
Q1 26
$3.1B
Q4 25
$2.9B
$1.9B
Q3 25
$2.8B
$1.9B
Q2 25
$2.0B
$1.9B
Q1 25
$1.9B
$1.9B
Q4 24
$1.9B
$1.9B
Q3 24
$1.8B
$2.0B
Q2 24
$1.7B
$1.9B
Debt / Equity
ACMR
ACMR
KOP
KOP
Q1 26
0.15×
Q4 25
0.15×
1.62×
Q3 25
0.17×
1.71×
Q2 25
0.23×
1.86×
Q1 25
0.21×
1.99×
Q4 24
0.17×
1.92×
Q3 24
0.17×
1.86×
Q2 24
0.11×
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
ACMR
ACMR
KOP
KOP
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
ACMR
ACMR
KOP
KOP
Q1 26
Q4 25
$33.9M
$45.1M
Q3 25
$-4.6M
$49.6M
Q2 25
$-44.9M
$50.5M
Q1 25
$5.3M
$-22.7M
Q4 24
$88.6M
$74.7M
Q3 24
$11.9M
$29.8M
Q2 24
$61.6M
$27.2M
Free Cash Flow
ACMR
ACMR
KOP
KOP
Q1 26
Q4 25
$20.1M
$28.5M
Q3 25
$-15.6M
$37.6M
Q2 25
$-59.6M
$38.4M
Q1 25
$-11.4M
$-37.0M
Q4 24
$77.2M
$56.1M
Q3 24
$-20.6M
$14.4M
Q2 24
$48.5M
$10.1M
FCF Margin
ACMR
ACMR
KOP
KOP
Q1 26
Q4 25
8.2%
6.6%
Q3 25
-5.8%
7.7%
Q2 25
-27.7%
7.6%
Q1 25
-6.6%
-8.1%
Q4 24
34.5%
11.8%
Q3 24
-10.1%
2.6%
Q2 24
24.0%
1.8%
Capex Intensity
ACMR
ACMR
KOP
KOP
Q1 26
Q4 25
5.6%
3.8%
Q3 25
4.1%
2.5%
Q2 25
6.8%
2.4%
Q1 25
9.7%
3.1%
Q4 24
5.1%
3.9%
Q3 24
16.0%
2.8%
Q2 24
6.5%
3.0%
Cash Conversion
ACMR
ACMR
KOP
KOP
Q1 26
Q4 25
4.21×
1.52×
Q3 25
-0.13×
2.08×
Q2 25
-1.51×
3.08×
Q1 25
0.26×
Q4 24
2.85×
Q3 24
0.39×
1.31×
Q2 24
2.54×
1.01×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACMR
ACMR

Segment breakdown not available.

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%

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