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

Astera Labs, Inc. is the larger business by last-quarter revenue ($308.4M vs $160.8M, roughly 1.9× TransMedics Group, Inc.). TransMedics Group, Inc. runs the higher net margin — 65.6% vs 26.0%, a 39.5% gap on every dollar of revenue. On growth, Astera Labs, Inc. posted the faster year-over-year revenue change (93.4% vs 32.2%). Over the past eight quarters, Astera Labs, Inc.'s revenue compounded faster (100.3% CAGR vs 28.8%).

Astera Labs, Inc. is an American fabless semiconductor manufacturer and artificial intelligence company. The company specializes in designing high-speed connectivity solutions for data centers and AI infrastructure. The company has been listed on the Nasdaq since March 2024.

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.

ALAB vs TMDX — Head-to-Head

Bigger by revenue
ALAB
ALAB
1.9× larger
ALAB
$308.4M
$160.8M
TMDX
Growing faster (revenue YoY)
ALAB
ALAB
+61.2% gap
ALAB
93.4%
32.2%
TMDX
Higher net margin
TMDX
TMDX
39.5% more per $
TMDX
65.6%
26.0%
ALAB
Faster 2-yr revenue CAGR
ALAB
ALAB
Annualised
ALAB
100.3%
28.8%
TMDX

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ALAB
ALAB
TMDX
TMDX
Revenue
$308.4M
$160.8M
Net Profit
$80.3M
$105.4M
Gross Margin
76.3%
58.1%
Operating Margin
20.1%
13.2%
Net Margin
26.0%
65.6%
Revenue YoY
93.4%
32.2%
Net Profit YoY
152.4%
1436.9%
EPS (diluted)
$0.44
$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
ALAB
ALAB
TMDX
TMDX
Q1 26
$308.4M
Q4 25
$270.6M
$160.8M
Q3 25
$230.6M
$143.8M
Q2 25
$191.9M
$157.4M
Q1 25
$159.4M
$143.5M
Q4 24
$141.1M
$121.6M
Q3 24
$113.1M
$108.8M
Q2 24
$76.8M
$114.3M
Net Profit
ALAB
ALAB
TMDX
TMDX
Q1 26
$80.3M
Q4 25
$45.0M
$105.4M
Q3 25
$91.1M
$24.3M
Q2 25
$51.2M
$34.9M
Q1 25
$31.8M
$25.7M
Q4 24
$24.7M
$6.9M
Q3 24
$-7.6M
$4.2M
Q2 24
$-7.5M
$12.2M
Gross Margin
ALAB
ALAB
TMDX
TMDX
Q1 26
76.3%
Q4 25
75.6%
58.1%
Q3 25
76.2%
58.8%
Q2 25
75.8%
61.4%
Q1 25
74.9%
61.5%
Q4 24
74.0%
59.2%
Q3 24
77.7%
55.9%
Q2 24
77.9%
60.6%
Operating Margin
ALAB
ALAB
TMDX
TMDX
Q1 26
20.1%
Q4 25
24.7%
13.2%
Q3 25
24.0%
16.2%
Q2 25
20.7%
23.2%
Q1 25
7.1%
19.1%
Q4 24
0.1%
7.1%
Q3 24
-7.9%
3.6%
Q2 24
-31.7%
10.9%
Net Margin
ALAB
ALAB
TMDX
TMDX
Q1 26
26.0%
Q4 25
16.6%
65.6%
Q3 25
39.5%
16.9%
Q2 25
26.7%
22.2%
Q1 25
20.0%
17.9%
Q4 24
17.5%
5.6%
Q3 24
-6.7%
3.9%
Q2 24
-9.8%
10.7%
EPS (diluted)
ALAB
ALAB
TMDX
TMDX
Q1 26
$0.44
Q4 25
$0.25
$2.59
Q3 25
$0.50
$0.66
Q2 25
$0.29
$0.92
Q1 25
$0.18
$0.70
Q4 24
$1.23
$0.19
Q3 24
$-0.05
$0.12
Q2 24
$-0.05
$0.35

Balance Sheet & Financial Strength

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

Metric
ALAB
ALAB
TMDX
TMDX
Cash + ST InvestmentsLiquidity on hand
$148.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.5B
$473.1M
Total Assets
$1.7B
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALAB
ALAB
TMDX
TMDX
Q1 26
$148.3M
Q4 25
$167.6M
Q3 25
$140.4M
Q2 25
$162.3M
Q1 25
$86.4M
Q4 24
$79.6M
Q3 24
$126.1M
$330.1M
Q2 24
$421.1M
$362.8M
Stockholders' Equity
ALAB
ALAB
TMDX
TMDX
Q1 26
$1.5B
Q4 25
$1.4B
$473.1M
Q3 25
$1.3B
$355.2M
Q2 25
$1.1B
$318.1M
Q1 25
$1.0B
$266.3M
Q4 24
$964.8M
$228.6M
Q3 24
$889.6M
$209.9M
Q2 24
$845.3M
$189.9M
Total Assets
ALAB
ALAB
TMDX
TMDX
Q1 26
$1.7B
Q4 25
$1.5B
$1.1B
Q3 25
$1.4B
$946.0M
Q2 25
$1.3B
$890.5M
Q1 25
$1.1B
$837.5M
Q4 24
$1.1B
$804.1M
Q3 24
$983.1M
$785.6M
Q2 24
$915.5M
$758.6M

Cash Flow & Capital Efficiency

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

Metric
ALAB
ALAB
TMDX
TMDX
Operating Cash FlowLast quarter
$74.6M
$34.5M
Free Cash FlowOCF − Capex
$19.0M
FCF MarginFCF / Revenue
11.8%
Capex IntensityCapex / Revenue
9.7%
Cash ConversionOCF / Net Profit
0.93×
0.33×
TTM Free Cash FlowTrailing 4 quarters
$133.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALAB
ALAB
TMDX
TMDX
Q1 26
$74.6M
Q4 25
$95.3M
$34.5M
Q3 25
$78.2M
$69.6M
Q2 25
$135.4M
$91.6M
Q1 25
$10.5M
$-2.9M
Q4 24
$39.7M
$19.7M
Q3 24
$63.5M
$6.9M
Q2 24
$29.8M
$25.7M
Free Cash Flow
ALAB
ALAB
TMDX
TMDX
Q1 26
Q4 25
$76.6M
$19.0M
Q3 25
$65.9M
$61.9M
Q2 25
$133.3M
$82.5M
Q1 25
$6.0M
$-29.9M
Q4 24
$24.3M
$6.1M
Q3 24
$46.8M
$-41.3M
Q2 24
$28.5M
$2.0M
FCF Margin
ALAB
ALAB
TMDX
TMDX
Q1 26
Q4 25
28.3%
11.8%
Q3 25
28.6%
43.1%
Q2 25
69.5%
52.4%
Q1 25
3.7%
-20.8%
Q4 24
17.2%
5.0%
Q3 24
41.4%
-38.0%
Q2 24
37.1%
1.7%
Capex Intensity
ALAB
ALAB
TMDX
TMDX
Q1 26
Q4 25
6.9%
9.7%
Q3 25
5.3%
5.3%
Q2 25
1.1%
5.8%
Q1 25
2.8%
18.8%
Q4 24
10.9%
11.2%
Q3 24
14.8%
44.3%
Q2 24
1.7%
20.8%
Cash Conversion
ALAB
ALAB
TMDX
TMDX
Q1 26
0.93×
Q4 25
2.12×
0.33×
Q3 25
0.86×
2.86×
Q2 25
2.64×
2.62×
Q1 25
0.33×
-0.11×
Q4 24
1.61×
2.87×
Q3 24
1.63×
Q2 24
2.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALAB
ALAB

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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