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

ACM Research, Inc. is the larger business by last-quarter revenue ($231.3M vs $160.8M, roughly 1.4× TransMedics Group, Inc.). TransMedics Group, Inc. runs the higher net margin — 65.6% vs 7.5%, a 58.1% gap on every dollar of revenue. On growth, ACM Research, Inc. posted the faster year-over-year revenue change (34.2% vs 32.2%). Over the past eight quarters, TransMedics Group, Inc.'s revenue compounded faster (28.8% 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.

TransMedics Group, Inc. develops and commercializes innovative medical technologies for organ transplantation. Its flagship Organ Care System keeps donor organs viable during transport, improving transplant outcomes for heart, lung, liver and kidney recipients. It serves transplant centers and organ procurement organizations across North America, Europe and Asia-Pacific.

ACMR vs TMDX — Head-to-Head

Bigger by revenue
ACMR
ACMR
1.4× larger
ACMR
$231.3M
$160.8M
TMDX
Growing faster (revenue YoY)
ACMR
ACMR
+2.0% gap
ACMR
34.2%
32.2%
TMDX
Higher net margin
TMDX
TMDX
58.1% more per $
TMDX
65.6%
7.5%
ACMR
Faster 2-yr revenue CAGR
TMDX
TMDX
Annualised
TMDX
28.8%
6.9%
ACMR

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ACMR
ACMR
TMDX
TMDX
Revenue
$231.3M
$160.8M
Net Profit
$17.3M
$105.4M
Gross Margin
46.4%
58.1%
Operating Margin
15.6%
13.2%
Net Margin
7.5%
65.6%
Revenue YoY
34.2%
32.2%
Net Profit YoY
-44.7%
1436.9%
EPS (diluted)
$0.24
$2.59

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
TMDX
TMDX
Q1 26
$231.3M
Q4 25
$244.4M
$160.8M
Q3 25
$269.2M
$143.8M
Q2 25
$215.4M
$157.4M
Q1 25
$172.3M
$143.5M
Q4 24
$223.5M
$121.6M
Q3 24
$204.0M
$108.8M
Q2 24
$202.5M
$114.3M
Net Profit
ACMR
ACMR
TMDX
TMDX
Q1 26
$17.3M
Q4 25
$8.0M
$105.4M
Q3 25
$35.9M
$24.3M
Q2 25
$29.8M
$34.9M
Q1 25
$20.4M
$25.7M
Q4 24
$31.1M
$6.9M
Q3 24
$30.9M
$4.2M
Q2 24
$24.2M
$12.2M
Gross Margin
ACMR
ACMR
TMDX
TMDX
Q1 26
46.4%
Q4 25
40.9%
58.1%
Q3 25
42.0%
58.8%
Q2 25
48.5%
61.4%
Q1 25
47.9%
61.5%
Q4 24
49.6%
59.2%
Q3 24
51.4%
55.9%
Q2 24
47.8%
60.6%
Operating Margin
ACMR
ACMR
TMDX
TMDX
Q1 26
15.6%
Q4 25
9.4%
13.2%
Q3 25
10.7%
16.2%
Q2 25
14.7%
23.2%
Q1 25
15.0%
19.1%
Q4 24
19.7%
7.1%
Q3 24
21.7%
3.6%
Q2 24
18.6%
10.9%
Net Margin
ACMR
ACMR
TMDX
TMDX
Q1 26
7.5%
Q4 25
3.3%
65.6%
Q3 25
13.3%
16.9%
Q2 25
13.8%
22.2%
Q1 25
11.8%
17.9%
Q4 24
13.9%
5.6%
Q3 24
15.2%
3.9%
Q2 24
12.0%
10.7%
EPS (diluted)
ACMR
ACMR
TMDX
TMDX
Q1 26
$0.24
Q4 25
$0.11
$2.59
Q3 25
$0.52
$0.66
Q2 25
$0.44
$0.92
Q1 25
$0.30
$0.70
Q4 24
$0.47
$0.19
Q3 24
$0.45
$0.12
Q2 24
$0.35
$0.35

Balance Sheet & Financial Strength

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

Metric
ACMR
ACMR
TMDX
TMDX
Cash + ST InvestmentsLiquidity on hand
$872.3M
Total DebtLower is stronger
$314.8M
Stockholders' EquityBook value
$2.1B
$473.1M
Total Assets
$3.1B
$1.1B
Debt / EquityLower = less leverage
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACMR
ACMR
TMDX
TMDX
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
$330.1M
Q2 24
$343.6M
$362.8M
Total Debt
ACMR
ACMR
TMDX
TMDX
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
TMDX
TMDX
Q1 26
$2.1B
Q4 25
$1.5B
$473.1M
Q3 25
$1.4B
$355.2M
Q2 25
$986.5M
$318.1M
Q1 25
$949.1M
$266.3M
Q4 24
$904.6M
$228.6M
Q3 24
$888.2M
$209.9M
Q2 24
$833.2M
$189.9M
Total Assets
ACMR
ACMR
TMDX
TMDX
Q1 26
$3.1B
Q4 25
$2.9B
$1.1B
Q3 25
$2.8B
$946.0M
Q2 25
$2.0B
$890.5M
Q1 25
$1.9B
$837.5M
Q4 24
$1.9B
$804.1M
Q3 24
$1.8B
$785.6M
Q2 24
$1.7B
$758.6M
Debt / Equity
ACMR
ACMR
TMDX
TMDX
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
TMDX
TMDX
Operating Cash FlowLast quarter
$34.5M
Free Cash FlowOCF − Capex
$19.0M
FCF MarginFCF / Revenue
11.8%
Capex IntensityCapex / Revenue
9.7%
Cash ConversionOCF / Net Profit
0.33×
TTM Free Cash FlowTrailing 4 quarters
$133.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACMR
ACMR
TMDX
TMDX
Q1 26
Q4 25
$33.9M
$34.5M
Q3 25
$-4.6M
$69.6M
Q2 25
$-44.9M
$91.6M
Q1 25
$5.3M
$-2.9M
Q4 24
$88.6M
$19.7M
Q3 24
$11.9M
$6.9M
Q2 24
$61.6M
$25.7M
Free Cash Flow
ACMR
ACMR
TMDX
TMDX
Q1 26
Q4 25
$20.1M
$19.0M
Q3 25
$-15.6M
$61.9M
Q2 25
$-59.6M
$82.5M
Q1 25
$-11.4M
$-29.9M
Q4 24
$77.2M
$6.1M
Q3 24
$-20.6M
$-41.3M
Q2 24
$48.5M
$2.0M
FCF Margin
ACMR
ACMR
TMDX
TMDX
Q1 26
Q4 25
8.2%
11.8%
Q3 25
-5.8%
43.1%
Q2 25
-27.7%
52.4%
Q1 25
-6.6%
-20.8%
Q4 24
34.5%
5.0%
Q3 24
-10.1%
-38.0%
Q2 24
24.0%
1.7%
Capex Intensity
ACMR
ACMR
TMDX
TMDX
Q1 26
Q4 25
5.6%
9.7%
Q3 25
4.1%
5.3%
Q2 25
6.8%
5.8%
Q1 25
9.7%
18.8%
Q4 24
5.1%
11.2%
Q3 24
16.0%
44.3%
Q2 24
6.5%
20.8%
Cash Conversion
ACMR
ACMR
TMDX
TMDX
Q1 26
Q4 25
4.21×
0.33×
Q3 25
-0.13×
2.86×
Q2 25
-1.51×
2.62×
Q1 25
0.26×
-0.11×
Q4 24
2.85×
2.87×
Q3 24
0.39×
1.63×
Q2 24
2.54×
2.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACMR
ACMR

Segment breakdown not available.

TMDX
TMDX

Liver Product$127.0M79%
Heart Product$26.0M16%
Other$5.9M4%
Lung Product$1.9M1%

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