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Side-by-side financial comparison of Rocket Lab Corp (RKLB) and TransMedics Group, Inc. (TMDX). Click either name above to swap in a different company.

Rocket Lab Corp is the larger business by last-quarter revenue ($200.3M vs $160.8M, roughly 1.2× TransMedics Group, Inc.). TransMedics Group, Inc. runs the higher net margin — 65.6% vs -22.5%, a 88.0% gap on every dollar of revenue. On growth, Rocket Lab Corp posted the faster year-over-year revenue change (63.5% vs 32.2%). Over the past eight quarters, Rocket Lab Corp's revenue compounded faster (37.3% CAGR vs 28.8%).

Rocket Lab Corporation is a publicly traded aerospace manufacturer and launch service provider. Its Electron orbital rocket launches small satellites and has successfully completed over 75 missions as of January 2026, making it the most prolific small-lift launch vehicle in operation globally. A suborbital variant of Electron, called HASTE, was developed as a testbed to advance hypersonic technology development, while the next-generation reusable Neutron medium-lift launch vehicle is in devel...

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.

RKLB vs TMDX — Head-to-Head

Bigger by revenue
RKLB
RKLB
1.2× larger
RKLB
$200.3M
$160.8M
TMDX
Growing faster (revenue YoY)
RKLB
RKLB
+31.3% gap
RKLB
63.5%
32.2%
TMDX
Higher net margin
TMDX
TMDX
88.0% more per $
TMDX
65.6%
-22.5%
RKLB
Faster 2-yr revenue CAGR
RKLB
RKLB
Annualised
RKLB
37.3%
28.8%
TMDX

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
RKLB
RKLB
TMDX
TMDX
Revenue
$200.3M
$160.8M
Net Profit
$-45.0M
$105.4M
Gross Margin
38.2%
58.1%
Operating Margin
33.9%
13.2%
Net Margin
-22.5%
65.6%
Revenue YoY
63.5%
32.2%
Net Profit YoY
1436.9%
EPS (diluted)
$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
RKLB
RKLB
TMDX
TMDX
Q1 26
$200.3M
Q4 25
$179.7M
$160.8M
Q3 25
$155.1M
$143.8M
Q2 25
$144.5M
$157.4M
Q1 25
$122.6M
$143.5M
Q4 24
$132.4M
$121.6M
Q3 24
$104.8M
$108.8M
Q2 24
$106.3M
$114.3M
Net Profit
RKLB
RKLB
TMDX
TMDX
Q1 26
$-45.0M
Q4 25
$-52.9M
$105.4M
Q3 25
$-18.3M
$24.3M
Q2 25
$-66.4M
$34.9M
Q1 25
$-60.6M
$25.7M
Q4 24
$-52.3M
$6.9M
Q3 24
$-51.9M
$4.2M
Q2 24
$-41.6M
$12.2M
Gross Margin
RKLB
RKLB
TMDX
TMDX
Q1 26
38.2%
Q4 25
38.0%
58.1%
Q3 25
37.0%
58.8%
Q2 25
32.1%
61.4%
Q1 25
28.8%
61.5%
Q4 24
27.8%
59.2%
Q3 24
26.7%
55.9%
Q2 24
25.6%
60.6%
Operating Margin
RKLB
RKLB
TMDX
TMDX
Q1 26
33.9%
Q4 25
-28.4%
13.2%
Q3 25
-38.0%
16.2%
Q2 25
-41.3%
23.2%
Q1 25
-48.3%
19.1%
Q4 24
-38.9%
7.1%
Q3 24
-49.5%
3.6%
Q2 24
-40.7%
10.9%
Net Margin
RKLB
RKLB
TMDX
TMDX
Q1 26
-22.5%
Q4 25
-29.5%
65.6%
Q3 25
-11.8%
16.9%
Q2 25
-46.0%
22.2%
Q1 25
-49.5%
17.9%
Q4 24
-39.5%
5.6%
Q3 24
-49.6%
3.9%
Q2 24
-39.2%
10.7%
EPS (diluted)
RKLB
RKLB
TMDX
TMDX
Q1 26
Q4 25
$-0.09
$2.59
Q3 25
$-0.03
$0.66
Q2 25
$-0.13
$0.92
Q1 25
$-0.12
$0.70
Q4 24
$-0.11
$0.19
Q3 24
$-0.10
$0.12
Q2 24
$-0.08
$0.35

Balance Sheet & Financial Strength

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

Metric
RKLB
RKLB
TMDX
TMDX
Cash + ST InvestmentsLiquidity on hand
$1.2B
Total DebtLower is stronger
Stockholders' EquityBook value
$2.3B
$473.1M
Total Assets
$2.8B
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RKLB
RKLB
TMDX
TMDX
Q1 26
$1.2B
Q4 25
$1.0B
Q3 25
$976.7M
Q2 25
$688.1M
Q1 25
$428.4M
Q4 24
$419.0M
Q3 24
$442.4M
$330.1M
Q2 24
$496.8M
$362.8M
Total Debt
RKLB
RKLB
TMDX
TMDX
Q1 26
Q4 25
$152.4M
Q3 25
$347.0M
Q2 25
$346.5M
Q1 25
$345.9M
Q4 24
$345.4M
Q3 24
$61.2M
Q2 24
$64.2M
Stockholders' Equity
RKLB
RKLB
TMDX
TMDX
Q1 26
$2.3B
Q4 25
$1.7B
$473.1M
Q3 25
$1.3B
$355.2M
Q2 25
$688.5M
$318.1M
Q1 25
$431.3M
$266.3M
Q4 24
$382.5M
$228.6M
Q3 24
$419.8M
$209.9M
Q2 24
$455.2M
$189.9M
Total Assets
RKLB
RKLB
TMDX
TMDX
Q1 26
$2.8B
Q4 25
$2.3B
$1.1B
Q3 25
$2.2B
$946.0M
Q2 25
$1.6B
$890.5M
Q1 25
$1.3B
$837.5M
Q4 24
$1.2B
$804.1M
Q3 24
$1.2B
$785.6M
Q2 24
$1.2B
$758.6M
Debt / Equity
RKLB
RKLB
TMDX
TMDX
Q1 26
Q4 25
0.09×
Q3 25
0.27×
Q2 25
0.50×
Q1 25
0.80×
Q4 24
0.90×
Q3 24
0.15×
Q2 24
0.14×

Cash Flow & Capital Efficiency

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

Metric
RKLB
RKLB
TMDX
TMDX
Operating Cash FlowLast quarter
$-50.3M
$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
RKLB
RKLB
TMDX
TMDX
Q1 26
$-50.3M
Q4 25
$-64.5M
$34.5M
Q3 25
$-23.5M
$69.6M
Q2 25
$-23.2M
$91.6M
Q1 25
$-54.2M
$-2.9M
Q4 24
$-2.4M
$19.7M
Q3 24
$-30.9M
$6.9M
Q2 24
$-13.0M
$25.7M
Free Cash Flow
RKLB
RKLB
TMDX
TMDX
Q1 26
Q4 25
$-114.2M
$19.0M
Q3 25
$-69.4M
$61.9M
Q2 25
$-55.3M
$82.5M
Q1 25
$-82.9M
$-29.9M
Q4 24
$-23.9M
$6.1M
Q3 24
$-41.9M
$-41.3M
Q2 24
$-28.3M
$2.0M
FCF Margin
RKLB
RKLB
TMDX
TMDX
Q1 26
Q4 25
-63.6%
11.8%
Q3 25
-44.8%
43.1%
Q2 25
-38.3%
52.4%
Q1 25
-67.6%
-20.8%
Q4 24
-18.1%
5.0%
Q3 24
-40.0%
-38.0%
Q2 24
-26.7%
1.7%
Capex Intensity
RKLB
RKLB
TMDX
TMDX
Q1 26
Q4 25
27.6%
9.7%
Q3 25
29.6%
5.3%
Q2 25
22.2%
5.8%
Q1 25
23.4%
18.8%
Q4 24
16.3%
11.2%
Q3 24
10.5%
44.3%
Q2 24
14.4%
20.8%
Cash Conversion
RKLB
RKLB
TMDX
TMDX
Q1 26
Q4 25
0.33×
Q3 25
2.86×
Q2 25
2.62×
Q1 25
-0.11×
Q4 24
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

RKLB
RKLB

Product revenues$127.5M64%
Service revenues$72.9M36%

TMDX
TMDX

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

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