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

TransMedics Group, Inc. is the larger business by last-quarter revenue ($160.8M vs $139.3M, roughly 1.2× Proto Labs Inc). TransMedics Group, Inc. runs the higher net margin — 65.6% vs 5.8%, a 59.7% gap on every dollar of revenue. On growth, TransMedics Group, Inc. posted the faster year-over-year revenue change (32.2% vs 10.4%). Over the past eight quarters, TransMedics Group, Inc.'s revenue compounded faster (28.8% CAGR vs 5.3%).

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

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.

PRLB vs TMDX — Head-to-Head

Bigger by revenue
TMDX
TMDX
1.2× larger
TMDX
$160.8M
$139.3M
PRLB
Growing faster (revenue YoY)
TMDX
TMDX
+21.8% gap
TMDX
32.2%
10.4%
PRLB
Higher net margin
TMDX
TMDX
59.7% more per $
TMDX
65.6%
5.8%
PRLB
Faster 2-yr revenue CAGR
TMDX
TMDX
Annualised
TMDX
28.8%
5.3%
PRLB

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
PRLB
PRLB
TMDX
TMDX
Revenue
$139.3M
$160.8M
Net Profit
$8.1M
$105.4M
Gross Margin
45.6%
58.1%
Operating Margin
7.1%
13.2%
Net Margin
5.8%
65.6%
Revenue YoY
10.4%
32.2%
Net Profit YoY
125.4%
1436.9%
EPS (diluted)
$0.29
$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
PRLB
PRLB
TMDX
TMDX
Q1 26
$139.3M
Q4 25
$136.5M
$160.8M
Q3 25
$135.4M
$143.8M
Q2 25
$135.1M
$157.4M
Q1 25
$126.2M
$143.5M
Q4 24
$121.8M
$121.6M
Q3 24
$125.6M
$108.8M
Q2 24
$125.6M
$114.3M
Net Profit
PRLB
PRLB
TMDX
TMDX
Q1 26
$8.1M
Q4 25
$105.4M
Q3 25
$7.2M
$24.3M
Q2 25
$4.4M
$34.9M
Q1 25
$3.6M
$25.7M
Q4 24
$6.9M
Q3 24
$7.2M
$4.2M
Q2 24
$4.5M
$12.2M
Gross Margin
PRLB
PRLB
TMDX
TMDX
Q1 26
45.6%
Q4 25
44.2%
58.1%
Q3 25
45.3%
58.8%
Q2 25
44.3%
61.4%
Q1 25
44.1%
61.5%
Q4 24
42.7%
59.2%
Q3 24
45.6%
55.9%
Q2 24
45.0%
60.6%
Operating Margin
PRLB
PRLB
TMDX
TMDX
Q1 26
7.1%
Q4 25
5.0%
13.2%
Q3 25
6.5%
16.2%
Q2 25
3.7%
23.2%
Q1 25
3.6%
19.1%
Q4 24
-1.2%
7.1%
Q3 24
6.8%
3.6%
Q2 24
4.8%
10.9%
Net Margin
PRLB
PRLB
TMDX
TMDX
Q1 26
5.8%
Q4 25
65.6%
Q3 25
5.3%
16.9%
Q2 25
3.3%
22.2%
Q1 25
2.9%
17.9%
Q4 24
5.6%
Q3 24
5.7%
3.9%
Q2 24
3.6%
10.7%
EPS (diluted)
PRLB
PRLB
TMDX
TMDX
Q1 26
$0.29
Q4 25
$0.25
$2.59
Q3 25
$0.30
$0.66
Q2 25
$0.18
$0.92
Q1 25
$0.15
$0.70
Q4 24
$-0.01
$0.19
Q3 24
$0.29
$0.12
Q2 24
$0.18
$0.35

Balance Sheet & Financial Strength

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

Metric
PRLB
PRLB
TMDX
TMDX
Cash + ST InvestmentsLiquidity on hand
$124.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$683.1M
$473.1M
Total Assets
$778.6M
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRLB
PRLB
TMDX
TMDX
Q1 26
$124.0M
Q4 25
$128.1M
Q3 25
$119.2M
Q2 25
$103.2M
Q1 25
$96.8M
Q4 24
$103.1M
Q3 24
$100.5M
$330.1M
Q2 24
$112.9M
$362.8M
Stockholders' Equity
PRLB
PRLB
TMDX
TMDX
Q1 26
$683.1M
Q4 25
$673.9M
$473.1M
Q3 25
$664.7M
$355.2M
Q2 25
$664.7M
$318.1M
Q1 25
$656.8M
$266.3M
Q4 24
$670.2M
$228.6M
Q3 24
$680.0M
$209.9M
Q2 24
$685.2M
$189.9M
Total Assets
PRLB
PRLB
TMDX
TMDX
Q1 26
$778.6M
Q4 25
$763.4M
$1.1B
Q3 25
$756.9M
$946.0M
Q2 25
$743.3M
$890.5M
Q1 25
$737.5M
$837.5M
Q4 24
$743.5M
$804.1M
Q3 24
$753.8M
$785.6M
Q2 24
$758.2M
$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
PRLB
PRLB
TMDX
TMDX
Operating Cash FlowLast quarter
$17.5M
$34.5M
Free Cash FlowOCF − Capex
$19.0M
FCF MarginFCF / Revenue
11.8%
Capex IntensityCapex / Revenue
9.7%
Cash ConversionOCF / Net Profit
2.16×
0.33×
TTM Free Cash FlowTrailing 4 quarters
$133.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRLB
PRLB
TMDX
TMDX
Q1 26
$17.5M
Q4 25
$16.5M
$34.5M
Q3 25
$29.1M
$69.6M
Q2 25
$10.6M
$91.6M
Q1 25
$18.4M
$-2.9M
Q4 24
$17.3M
$19.7M
Q3 24
$24.8M
$6.9M
Q2 24
$14.4M
$25.7M
Free Cash Flow
PRLB
PRLB
TMDX
TMDX
Q1 26
Q4 25
$8.4M
$19.0M
Q3 25
$25.0M
$61.9M
Q2 25
$9.1M
$82.5M
Q1 25
$17.1M
$-29.9M
Q4 24
$16.5M
$6.1M
Q3 24
$23.2M
$-41.3M
Q2 24
$10.2M
$2.0M
FCF Margin
PRLB
PRLB
TMDX
TMDX
Q1 26
Q4 25
6.2%
11.8%
Q3 25
18.5%
43.1%
Q2 25
6.7%
52.4%
Q1 25
13.6%
-20.8%
Q4 24
13.5%
5.0%
Q3 24
18.5%
-38.0%
Q2 24
8.2%
1.7%
Capex Intensity
PRLB
PRLB
TMDX
TMDX
Q1 26
Q4 25
5.9%
9.7%
Q3 25
3.0%
5.3%
Q2 25
1.1%
5.8%
Q1 25
1.0%
18.8%
Q4 24
0.7%
11.2%
Q3 24
1.2%
44.3%
Q2 24
3.3%
20.8%
Cash Conversion
PRLB
PRLB
TMDX
TMDX
Q1 26
2.16×
Q4 25
0.33×
Q3 25
4.03×
2.86×
Q2 25
2.39×
2.62×
Q1 25
5.11×
-0.11×
Q4 24
2.87×
Q3 24
3.44×
1.63×
Q2 24
3.18×
2.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRLB
PRLB

CNC Machining$63.2M45%
Injection Molding$51.1M37%
3D Printing$20.5M15%
Sheet Metal$4.4M3%
Other Revenue$207.0K0%

TMDX
TMDX

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

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