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Side-by-side financial comparison of CareDx, Inc. (CDNA) and RAMBUS INC (RMBS). Click either name above to swap in a different company.

RAMBUS INC is the larger business by last-quarter revenue ($180.2M vs $117.7M, roughly 1.5× CareDx, Inc.). RAMBUS INC runs the higher net margin — 33.2% vs 2.4%, a 30.9% gap on every dollar of revenue. On growth, CareDx, Inc. posted the faster year-over-year revenue change (39.0% vs 8.1%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs 12.9%).

CareDx, Inc. is a leading precision medicine company dedicated to organ transplant patient care. It develops and commercializes diagnostic tests for rejection surveillance, digital health management tools, and supportive clinical services, catering to transplant clinicians, patients, and healthcare systems across North America and European core markets.

Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory.

CDNA vs RMBS — Head-to-Head

Bigger by revenue
RMBS
RMBS
1.5× larger
RMBS
$180.2M
$117.7M
CDNA
Growing faster (revenue YoY)
CDNA
CDNA
+30.9% gap
CDNA
39.0%
8.1%
RMBS
Higher net margin
RMBS
RMBS
30.9% more per $
RMBS
33.2%
2.4%
CDNA
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
12.9%
CDNA

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CDNA
CDNA
RMBS
RMBS
Revenue
$117.7M
$180.2M
Net Profit
$2.8M
$59.9M
Gross Margin
79.7%
Operating Margin
1.0%
34.3%
Net Margin
2.4%
33.2%
Revenue YoY
39.0%
8.1%
Net Profit YoY
-7.3%
EPS (diluted)
$0.05
$0.55

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
CDNA
CDNA
RMBS
RMBS
Q1 26
$117.7M
$180.2M
Q4 25
$108.4M
$190.2M
Q3 25
$100.1M
$178.5M
Q2 25
$86.7M
$172.2M
Q1 25
$84.7M
$166.7M
Q4 24
$86.6M
$161.1M
Q3 24
$82.9M
$145.5M
Q2 24
$92.3M
$132.1M
Net Profit
CDNA
CDNA
RMBS
RMBS
Q1 26
$2.8M
$59.9M
Q4 25
$-4.1M
$63.8M
Q3 25
$1.7M
$48.4M
Q2 25
$-8.6M
$57.9M
Q1 25
$-10.4M
$60.3M
Q4 24
$87.7M
$62.2M
Q3 24
$-10.6M
$48.7M
Q2 24
$-4.6M
$36.1M
Gross Margin
CDNA
CDNA
RMBS
RMBS
Q1 26
79.7%
Q4 25
78.9%
Q3 25
79.5%
Q2 25
79.8%
Q1 25
80.3%
Q4 24
80.4%
Q3 24
80.7%
Q2 24
79.7%
Operating Margin
CDNA
CDNA
RMBS
RMBS
Q1 26
1.0%
34.3%
Q4 25
-5.6%
37.2%
Q3 25
-0.2%
35.4%
Q2 25
-12.8%
36.6%
Q1 25
-15.8%
37.9%
Q4 24
97.5%
35.9%
Q3 24
-16.6%
37.6%
Q2 24
-7.9%
30.5%
Net Margin
CDNA
CDNA
RMBS
RMBS
Q1 26
2.4%
33.2%
Q4 25
-3.8%
33.6%
Q3 25
1.7%
27.1%
Q2 25
-9.9%
33.6%
Q1 25
-12.2%
36.2%
Q4 24
101.3%
38.6%
Q3 24
-12.8%
33.4%
Q2 24
-5.0%
27.3%
EPS (diluted)
CDNA
CDNA
RMBS
RMBS
Q1 26
$0.05
$0.55
Q4 25
$-0.08
$0.58
Q3 25
$0.03
$0.44
Q2 25
$-0.16
$0.53
Q1 25
$-0.19
$0.56
Q4 24
$1.60
$0.57
Q3 24
$-0.20
$0.45
Q2 24
$-0.09
$0.33

Balance Sheet & Financial Strength

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

Metric
CDNA
CDNA
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$77.9M
$134.3M
Total DebtLower is stronger
Stockholders' EquityBook value
Total Assets
$411.1M
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CDNA
CDNA
RMBS
RMBS
Q1 26
$77.9M
$134.3M
Q4 25
$177.2M
$182.8M
Q3 25
$194.2M
$79.2M
Q2 25
$186.3M
$87.8M
Q1 25
$230.9M
$132.2M
Q4 24
$260.7M
$99.8M
Q3 24
$240.9M
$114.0M
Q2 24
$228.9M
$124.6M
Total Debt
CDNA
CDNA
RMBS
RMBS
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$0
Q2 24
$0
Stockholders' Equity
CDNA
CDNA
RMBS
RMBS
Q1 26
Q4 25
$303.1M
$1.4B
Q3 25
$311.1M
$1.3B
Q2 25
$327.4M
$1.2B
Q1 25
$379.3M
$1.2B
Q4 24
$378.4M
$1.1B
Q3 24
$273.2M
$1.0B
Q2 24
$264.7M
$1.0B
Total Assets
CDNA
CDNA
RMBS
RMBS
Q1 26
$411.1M
$1.5B
Q4 25
$413.2M
$1.5B
Q3 25
$432.3M
$1.4B
Q2 25
$444.3M
$1.5B
Q1 25
$489.6M
$1.4B
Q4 24
$491.1M
$1.3B
Q3 24
$477.0M
$1.3B
Q2 24
$466.8M
$1.3B
Debt / Equity
CDNA
CDNA
RMBS
RMBS
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.00×
Q2 24
0.00×

Cash Flow & Capital Efficiency

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

Metric
CDNA
CDNA
RMBS
RMBS
Operating Cash FlowLast quarter
$4.3M
Free Cash FlowOCF − Capex
$514.0K
FCF MarginFCF / Revenue
0.4%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.54×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CDNA
CDNA
RMBS
RMBS
Q1 26
$4.3M
Q4 25
$21.4M
$99.8M
Q3 25
$37.4M
$88.4M
Q2 25
$9.9M
$94.4M
Q1 25
$-26.6M
$77.4M
Q4 24
$21.9M
$59.0M
Q3 24
$12.5M
$62.1M
Q2 24
$18.9M
$70.4M
Free Cash Flow
CDNA
CDNA
RMBS
RMBS
Q1 26
$514.0K
Q4 25
$93.3M
Q3 25
$82.5M
Q2 25
$87.9M
Q1 25
$69.5M
Q4 24
$52.5M
Q3 24
$52.2M
Q2 24
$59.1M
FCF Margin
CDNA
CDNA
RMBS
RMBS
Q1 26
0.4%
Q4 25
49.0%
Q3 25
46.2%
Q2 25
51.0%
Q1 25
41.7%
Q4 24
32.6%
Q3 24
35.9%
Q2 24
44.7%
Capex Intensity
CDNA
CDNA
RMBS
RMBS
Q1 26
Q4 25
3.4%
Q3 25
3.3%
Q2 25
3.8%
Q1 25
4.7%
Q4 24
4.0%
Q3 24
6.8%
Q2 24
8.6%
Cash Conversion
CDNA
CDNA
RMBS
RMBS
Q1 26
1.54×
Q4 25
1.56×
Q3 25
22.30×
1.83×
Q2 25
1.63×
Q1 25
1.28×
Q4 24
0.25×
0.95×
Q3 24
1.28×
Q2 24
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CDNA
CDNA

Financial Results Total$85.0M72%
Patient and digital solutions revenue$16.0M14%
Product revenue$10.3M9%
Other$6.4M5%

RMBS
RMBS

Product revenue$88.0M49%
Royalties$69.6M39%
Contract and other revenue$22.6M13%

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