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

Duolingo, Inc. is the larger business by last-quarter revenue ($295.5M vs $231.3M, roughly 1.3× ACM Research, Inc.). Duolingo, Inc. runs the higher net margin — 11.9% vs 7.5%, a 4.4% gap on every dollar of revenue. On growth, ACM Research, Inc. posted the faster year-over-year revenue change (34.2% vs 27.0%). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (28.7% CAGR vs 6.9%).

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.

Duolingo, Inc. is a leading global edtech firm operating a gamified language learning platform. It offers free and premium self-paced courses for over 40 languages, plus language certification, math learning tools, and literacy programs, serving individual learners, schools and corporate clients worldwide.

ACMR vs DUOL — Head-to-Head

Bigger by revenue
DUOL
DUOL
1.3× larger
DUOL
$295.5M
$231.3M
ACMR
Growing faster (revenue YoY)
ACMR
ACMR
+7.2% gap
ACMR
34.2%
27.0%
DUOL
Higher net margin
DUOL
DUOL
4.4% more per $
DUOL
11.9%
7.5%
ACMR
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
28.7%
6.9%
ACMR

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ACMR
ACMR
DUOL
DUOL
Revenue
$231.3M
$295.5M
Net Profit
$17.3M
$35.1M
Gross Margin
46.4%
55.5%
Operating Margin
15.6%
8.0%
Net Margin
7.5%
11.9%
Revenue YoY
34.2%
27.0%
Net Profit YoY
-44.7%
24.0%
EPS (diluted)
$0.24
$0.72

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
DUOL
DUOL
Q1 26
$231.3M
$295.5M
Q4 25
$244.4M
$282.9M
Q3 25
$269.2M
$271.7M
Q2 25
$215.4M
$252.3M
Q1 25
$172.3M
$230.7M
Q4 24
$223.5M
$209.6M
Q3 24
$204.0M
$192.6M
Q2 24
$202.5M
$178.3M
Net Profit
ACMR
ACMR
DUOL
DUOL
Q1 26
$17.3M
$35.1M
Q4 25
$8.0M
$42.0M
Q3 25
$35.9M
$292.2M
Q2 25
$29.8M
$44.8M
Q1 25
$20.4M
$35.1M
Q4 24
$31.1M
$13.9M
Q3 24
$30.9M
$23.4M
Q2 24
$24.2M
$24.4M
Gross Margin
ACMR
ACMR
DUOL
DUOL
Q1 26
46.4%
55.5%
Q4 25
40.9%
72.8%
Q3 25
42.0%
72.5%
Q2 25
48.5%
72.4%
Q1 25
47.9%
71.1%
Q4 24
49.6%
71.9%
Q3 24
51.4%
72.9%
Q2 24
47.8%
73.4%
Operating Margin
ACMR
ACMR
DUOL
DUOL
Q1 26
15.6%
8.0%
Q4 25
9.4%
15.4%
Q3 25
10.7%
12.9%
Q2 25
14.7%
13.2%
Q1 25
15.0%
10.2%
Q4 24
19.7%
6.6%
Q3 24
21.7%
7.0%
Q2 24
18.6%
10.5%
Net Margin
ACMR
ACMR
DUOL
DUOL
Q1 26
7.5%
11.9%
Q4 25
3.3%
14.8%
Q3 25
13.3%
107.5%
Q2 25
13.8%
17.8%
Q1 25
11.8%
15.2%
Q4 24
13.9%
6.6%
Q3 24
15.2%
12.1%
Q2 24
12.0%
13.7%
EPS (diluted)
ACMR
ACMR
DUOL
DUOL
Q1 26
$0.24
$0.72
Q4 25
$0.11
$0.99
Q3 25
$0.52
$5.95
Q2 25
$0.44
$0.91
Q1 25
$0.30
$0.72
Q4 24
$0.47
$0.31
Q3 24
$0.45
$0.49
Q2 24
$0.35
$0.51

Balance Sheet & Financial Strength

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

Metric
ACMR
ACMR
DUOL
DUOL
Cash + ST InvestmentsLiquidity on hand
$872.3M
$1.1B
Total DebtLower is stronger
$314.8M
Stockholders' EquityBook value
$2.1B
$1.3B
Total Assets
$3.1B
$2.0B
Debt / EquityLower = less leverage
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACMR
ACMR
DUOL
DUOL
Q1 26
$872.3M
$1.1B
Q4 25
$792.9M
$1.0B
Q3 25
$1.1B
$1.0B
Q2 25
$463.2M
$976.2M
Q1 25
$475.6M
$884.0M
Q4 24
$426.8M
$785.8M
Q3 24
$353.8M
$854.4M
Q2 24
$343.6M
$888.2M
Total Debt
ACMR
ACMR
DUOL
DUOL
Q1 26
$314.8M
Q4 25
$214.0M
Q3 25
$242.0M
Q2 25
$225.1M
Q1 25
$202.5M
Q4 24
$150.0M
Q3 24
$150.0M
Q2 24
$90.5M
Stockholders' Equity
ACMR
ACMR
DUOL
DUOL
Q1 26
$2.1B
$1.3B
Q4 25
$1.5B
$1.3B
Q3 25
$1.4B
$1.3B
Q2 25
$986.5M
$977.0M
Q1 25
$949.1M
$893.8M
Q4 24
$904.6M
$824.5M
Q3 24
$888.2M
$822.5M
Q2 24
$833.2M
$766.9M
Total Assets
ACMR
ACMR
DUOL
DUOL
Q1 26
$3.1B
$2.0B
Q4 25
$2.9B
$2.0B
Q3 25
$2.8B
$1.9B
Q2 25
$2.0B
$1.5B
Q1 25
$1.9B
$1.4B
Q4 24
$1.9B
$1.3B
Q3 24
$1.8B
$1.2B
Q2 24
$1.7B
$1.1B
Debt / Equity
ACMR
ACMR
DUOL
DUOL
Q1 26
0.15×
Q4 25
0.15×
Q3 25
0.17×
Q2 25
0.23×
Q1 25
0.21×
Q4 24
0.17×
Q3 24
0.17×
Q2 24
0.11×

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
DUOL
DUOL
Operating Cash FlowLast quarter
$105.6M
Free Cash FlowOCF − Capex
$103.0M
FCF MarginFCF / Revenue
34.9%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
3.01×
TTM Free Cash FlowTrailing 4 quarters
$368.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACMR
ACMR
DUOL
DUOL
Q1 26
$105.6M
Q4 25
$33.9M
$107.3M
Q3 25
$-4.6M
$84.2M
Q2 25
$-44.9M
$90.7M
Q1 25
$5.3M
$105.6M
Q4 24
$88.6M
$83.3M
Q3 24
$11.9M
$56.3M
Q2 24
$61.6M
$62.4M
Free Cash Flow
ACMR
ACMR
DUOL
DUOL
Q1 26
$103.0M
Q4 25
$20.1M
$96.6M
Q3 25
$-15.6M
$79.4M
Q2 25
$-59.6M
$89.5M
Q1 25
$-11.4M
$104.3M
Q4 24
$77.2M
$81.4M
Q3 24
$-20.6M
$53.1M
Q2 24
$48.5M
$56.8M
FCF Margin
ACMR
ACMR
DUOL
DUOL
Q1 26
34.9%
Q4 25
8.2%
34.1%
Q3 25
-5.8%
29.2%
Q2 25
-27.7%
35.5%
Q1 25
-6.6%
45.2%
Q4 24
34.5%
38.8%
Q3 24
-10.1%
27.6%
Q2 24
24.0%
31.9%
Capex Intensity
ACMR
ACMR
DUOL
DUOL
Q1 26
Q4 25
5.6%
3.8%
Q3 25
4.1%
1.8%
Q2 25
6.8%
0.5%
Q1 25
9.7%
0.6%
Q4 24
5.1%
0.9%
Q3 24
16.0%
1.7%
Q2 24
6.5%
3.1%
Cash Conversion
ACMR
ACMR
DUOL
DUOL
Q1 26
3.01×
Q4 25
4.21×
2.56×
Q3 25
-0.13×
0.29×
Q2 25
-1.51×
2.02×
Q1 25
0.26×
3.01×
Q4 24
2.85×
5.99×
Q3 24
0.39×
2.41×
Q2 24
2.54×
2.56×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACMR
ACMR

Segment breakdown not available.

DUOL
DUOL

Bookings$283.5M96%
Other$12.0M4%

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