BillionToOne, Inc. (BLLN) vs Mirum Pharmaceuticals, Inc. (MIRM)

A side-by-side comparison of BillionToOne, Inc. and Mirum Pharmaceuticals, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

Compare
BillionToOne, Inc. logo
BLLN
BillionToOne, Inc.
$4.62B
$100.47HealthcareDelayed quote: Oct 6, 2026, 11:31 AM EDT
Mirum Pharmaceuticals, Inc. logo
MIRM
Mirum Pharmaceuticals, Inc.
$4.94B
$81.00HealthcareDelayed quote: Oct 6, 2026, 11:31 AM EDT

Total return — BLLN vs MIRM

growth of $100 · dividends reinvested · last 1y
BLLN +0.1% (+0.1%/yr)MIRM +20.2% (+20.2%/yr)MIRM compounded faster over this window
50100150Start $1002026$100$120
BLLN MIRM

BLLN vs MIRM: by the numbers

  • •MIRM is the larger company ($4.94B vs $4.62B market cap).
  • •BLLN is profitable (8.43% net margin) while MIRM runs a net loss (-139.18%).

Metrics side by side

Valuation

MetricBLLNMIRM
P/E ratio162.02N/A
Forward P/E126.49N/A
P/S ratio11.637.99
P/B ratio8.61N/A
EV / EBITDA75.84N/A
FCF yield0.72%N/A

Profitability

MetricBLLNMIRM
Gross margin71.27%81.70%
Operating margin10.90%-4.25%
Net margin8.43%-139.18%
ROE6.24%N/A
ROIC6.39%-13.09%

Growth (annualized)

MetricBLLNMIRM
Revenue CAGR (5Y)N/A123.86%
Total return CAGR (5Y)N/A37.24%

Frequently asked

Is BLLN or MIRM more profitable?
BLLN runs the higher net margin — BLLN at 8.43% versus MIRM at -139.18%.

Go deeper

Full BLLN analysisFull MIRM analysisInteractive comparison tool

Dig into the metrics

BillionToOne P/E ratioBillionToOne ROEMirum Pharmaceuticals ROEBillionToOne operating marginMirum Pharmaceuticals operating marginBillionToOne revenue growthMirum Pharmaceuticals revenue growthBillionToOne free cash flowMirum Pharmaceuticals free cash flow

BillionToOne & Mirum Pharmaceuticals appear in these rankings

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Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.