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Side-by-side financial comparison of DIGI INTERNATIONAL INC (DGII) 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 $130.7M, roughly 1.2× DIGI INTERNATIONAL INC). TransMedics Group, Inc. runs the higher net margin — 65.6% vs 8.6%, a 56.9% gap on every dollar of revenue. On growth, TransMedics Group, Inc. posted the faster year-over-year revenue change (32.2% vs 25.1%). Over the past eight quarters, TransMedics Group, Inc.'s revenue compounded faster (28.8% CAGR vs 11.5%).

Digi International, Inc. is an American Industrial Internet of Things (IIoT) technology company based in Hopkins, Minnesota. Founded in 1985, they were best known in the early 1990s as a manufacturer of multi-line serial data serial cards for PC clones, allowing these machines to run multi-line bulletin board systems (BBSes). As this market began to wind down with the rise of the internet in the late 1990s, Digi began to concentrate on network attached devices and industrial monitoring.

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.

DGII vs TMDX — Head-to-Head

Bigger by revenue
TMDX
TMDX
1.2× larger
TMDX
$160.8M
$130.7M
DGII
Growing faster (revenue YoY)
TMDX
TMDX
+7.1% gap
TMDX
32.2%
25.1%
DGII
Higher net margin
TMDX
TMDX
56.9% more per $
TMDX
65.6%
8.6%
DGII
Faster 2-yr revenue CAGR
TMDX
TMDX
Annualised
TMDX
28.8%
11.5%
DGII

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
DGII
DGII
TMDX
TMDX
Revenue
$130.7M
$160.8M
Net Profit
$11.3M
$105.4M
Gross Margin
64.0%
58.1%
Operating Margin
13.1%
13.2%
Net Margin
8.6%
65.6%
Revenue YoY
25.1%
32.2%
Net Profit YoY
7.7%
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
DGII
DGII
TMDX
TMDX
Q1 26
$130.7M
Q4 25
$122.5M
$160.8M
Q3 25
$114.3M
$143.8M
Q2 25
$107.5M
$157.4M
Q1 25
$104.5M
$143.5M
Q4 24
$103.9M
$121.6M
Q3 24
$105.1M
$108.8M
Q2 24
$105.2M
$114.3M
Net Profit
DGII
DGII
TMDX
TMDX
Q1 26
$11.3M
Q4 25
$11.7M
$105.4M
Q3 25
$10.0M
$24.3M
Q2 25
$10.2M
$34.9M
Q1 25
$10.5M
$25.7M
Q4 24
$10.1M
$6.9M
Q3 24
$11.9M
$4.2M
Q2 24
$9.7M
$12.2M
Gross Margin
DGII
DGII
TMDX
TMDX
Q1 26
64.0%
Q4 25
62.4%
58.1%
Q3 25
63.9%
58.8%
Q2 25
63.5%
61.4%
Q1 25
62.1%
61.5%
Q4 24
62.0%
59.2%
Q3 24
61.1%
55.9%
Q2 24
59.2%
60.6%
Operating Margin
DGII
DGII
TMDX
TMDX
Q1 26
13.1%
Q4 25
13.3%
13.2%
Q3 25
12.5%
16.2%
Q2 25
13.9%
23.2%
Q1 25
13.1%
19.1%
Q4 24
12.9%
7.1%
Q3 24
14.2%
3.6%
Q2 24
12.3%
10.9%
Net Margin
DGII
DGII
TMDX
TMDX
Q1 26
8.6%
Q4 25
9.6%
65.6%
Q3 25
8.7%
16.9%
Q2 25
9.5%
22.2%
Q1 25
10.0%
17.9%
Q4 24
9.7%
5.6%
Q3 24
11.3%
3.9%
Q2 24
9.2%
10.7%
EPS (diluted)
DGII
DGII
TMDX
TMDX
Q1 26
$0.29
Q4 25
$0.31
$2.59
Q3 25
$0.26
$0.66
Q2 25
$0.27
$0.92
Q1 25
$0.28
$0.70
Q4 24
$0.27
$0.19
Q3 24
$0.32
$0.12
Q2 24
$0.26
$0.35

Balance Sheet & Financial Strength

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

Metric
DGII
DGII
TMDX
TMDX
Cash + ST InvestmentsLiquidity on hand
$31.7M
Total DebtLower is stronger
$143.0M
Stockholders' EquityBook value
$666.0M
$473.1M
Total Assets
$974.2M
$1.1B
Debt / EquityLower = less leverage
0.21×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DGII
DGII
TMDX
TMDX
Q1 26
$31.7M
Q4 25
$30.9M
Q3 25
$21.9M
Q2 25
$20.1M
Q1 25
$26.3M
Q4 24
$25.9M
Q3 24
$27.5M
$330.1M
Q2 24
$28.3M
$362.8M
Total Debt
DGII
DGII
TMDX
TMDX
Q1 26
$143.0M
Q4 25
$135.0M
Q3 25
$159.2M
Q2 25
$40.1M
Q1 25
$70.0M
Q4 24
$95.0M
Q3 24
$123.2M
Q2 24
$151.6M
Stockholders' Equity
DGII
DGII
TMDX
TMDX
Q1 26
$666.0M
Q4 25
$649.2M
$473.1M
Q3 25
$636.1M
$355.2M
Q2 25
$621.5M
$318.1M
Q1 25
$605.2M
$266.3M
Q4 24
$590.7M
$228.6M
Q3 24
$581.0M
$209.9M
Q2 24
$563.1M
$189.9M
Total Assets
DGII
DGII
TMDX
TMDX
Q1 26
$974.2M
Q4 25
$918.4M
$1.1B
Q3 25
$922.6M
$946.0M
Q2 25
$770.3M
$890.5M
Q1 25
$781.0M
$837.5M
Q4 24
$796.1M
$804.1M
Q3 24
$815.1M
$785.6M
Q2 24
$820.4M
$758.6M
Debt / Equity
DGII
DGII
TMDX
TMDX
Q1 26
0.21×
Q4 25
0.21×
Q3 25
0.25×
Q2 25
0.06×
Q1 25
0.12×
Q4 24
0.16×
Q3 24
0.21×
Q2 24
0.27×

Cash Flow & Capital Efficiency

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

Metric
DGII
DGII
TMDX
TMDX
Operating Cash FlowLast quarter
$77.1M
$34.5M
Free Cash FlowOCF − Capex
$19.0M
FCF MarginFCF / Revenue
11.8%
Capex IntensityCapex / Revenue
9.7%
Cash ConversionOCF / Net Profit
6.82×
0.33×
TTM Free Cash FlowTrailing 4 quarters
$133.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DGII
DGII
TMDX
TMDX
Q1 26
$77.1M
Q4 25
$35.6M
$34.5M
Q3 25
$28.0M
$69.6M
Q2 25
$24.0M
$91.6M
Q1 25
$26.3M
$-2.9M
Q4 24
$29.7M
$19.7M
Q3 24
$26.4M
$6.9M
Q2 24
$24.9M
$25.7M
Free Cash Flow
DGII
DGII
TMDX
TMDX
Q1 26
Q4 25
$35.2M
$19.0M
Q3 25
$27.5M
$61.9M
Q2 25
$22.9M
$82.5M
Q1 25
$25.7M
$-29.9M
Q4 24
$29.1M
$6.1M
Q3 24
$25.5M
$-41.3M
Q2 24
$24.5M
$2.0M
FCF Margin
DGII
DGII
TMDX
TMDX
Q1 26
Q4 25
28.7%
11.8%
Q3 25
24.1%
43.1%
Q2 25
21.3%
52.4%
Q1 25
24.6%
-20.8%
Q4 24
28.1%
5.0%
Q3 24
24.3%
-38.0%
Q2 24
23.2%
1.7%
Capex Intensity
DGII
DGII
TMDX
TMDX
Q1 26
Q4 25
0.4%
9.7%
Q3 25
0.4%
5.3%
Q2 25
0.9%
5.8%
Q1 25
0.5%
18.8%
Q4 24
0.6%
11.2%
Q3 24
0.9%
44.3%
Q2 24
0.5%
20.8%
Cash Conversion
DGII
DGII
TMDX
TMDX
Q1 26
6.82×
Q4 25
3.04×
0.33×
Q3 25
2.81×
2.86×
Q2 25
2.34×
2.62×
Q1 25
2.50×
-0.11×
Q4 24
2.95×
2.87×
Q3 24
2.23×
1.63×
Q2 24
2.57×
2.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DGII
DGII

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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