MetaCap

BillionToOne (BLLN) vs CareDx (CDNA)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.

Summary

BillionToOne is the larger company by market cap ($4.52 billion vs $3.26 billion), about 1.4 times the size. On valuation, CareDx trades at a lower forward P/E (48.9x vs 64.5x for BillionToOne).

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

BLLN-12.11%CDNA+319.99%
+386%+162%-62%
Nov 6, 20251 yearOct 7, 2026
BLLN-4.28%CDNA+303.59%
+348%+149%-49%
Nov 3, 20255 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

BLLN versus CDNA key metrics
MetricBLLNCDNA
Share price$95.75$63.04
Market cap$4.52B$3.26B
1-day change-4.19%-1.18%
YTD return+17.00%+234.61%
1-year return—+329.72%
5-year return—-11.21%
P/E ratio (TTM)151.9830.31
Forward P/E64.4848.87
EPS (TTM)$0.63$2.08
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
Revenue (latest FY)$305.11M—
Revenue growth (YoY)+99.97%—
Net income (latest FY)$7.45M—
Gross margin68.32%—
Operating margin5.25%—
Net margin2.44%—
52-week high$150.44$72.51
52-week low$61.96$13.95
Distance from 52-week high-36.35%-13.06%
Analyst consensusstrong_buybuy
Avg. price target upside+34.73%-6.68%
Average volume696.69K1.28M
Shares outstanding42.64M51.73M
Employees713761
SectorHealth CareHealth Care
IndustryMedical SpecialitiesMedical Specialities

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • BillionToOne trades at a higher earnings multiple (152.0x vs 30.3x trailing P/E).

About BillionToOne

BLLN stock →

BillionToOne, Inc., a precision diagnostics company, quantifies biology to create molecular diagnostics. The company provides molecular counting platform, which is designed to detect and measure DNA molecules at the single-count level to help enhance disease detection.

Health Care · Medical Specialities · 713 employees

About CareDx

CDNA stock →

CareDx, Inc. provides solutions for improving outcomes for transplant patients and advancing organ health in the United States and internationally.

Health Care · Medical Specialities · 761 employees

BLLN vs CDNA FAQ

Which is bigger, BillionToOne or CareDx?

BillionToOne (BLLN) is larger, with a market capitalization of $4.52B compared with $3.26B for CareDx (CDNA).

Which has the lower P/E ratio, BLLN or CDNA?

CDNA has the lower trailing P/E at 30.3, versus 152.0 for BLLN. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.

Are BillionToOne and CareDx in the same industry?

Yes. Both are classified in the Medical Specialities industry within the Health Care sector.

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