Quality Investor

BillionToOne, Inc.

Rank #237Hypergrowth

BLLN · Nasdaq · Healthcare

BillionToOne, Inc. (BLLN) — Rank #237 by gross profitability (GP/assets 0.29) · ROE 1.4% · Piotroski F-Score 7 / 9.

As-of 2026-09-15 · CIK 0002070849 · all metrics point-in-time as of the filing date.

About

BillionToOne, Inc., a precision diagnostics company, quantifies biology to create molecular diagnostics.

Show more

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. It also offers UNITY Complete, a non-invasive prenatal screen that assesses fetal risk for aneuploidies, recessive conditions, and fetal antigens from a maternal blood draw; Northstar Select, a liquid biopsy test that provides a list of mutations that are present in the tumor and types of mutations detected that include deletions, insertions, and point mutations; and Northstar Response, a methylation-based assay that quantifies the amount of cancer at the single molecule level without requiring a tissue biopsy, enabling real-time monitoring of patient response to therapy with unprecedented precision. BillionToOne, Inc.

was incorporated in 2016 and is headquartered in Menlo Park, California.

Industry
Diagnostics & Research
Sector
Healthcare
State
DE
Filer Category
Non-accelerated filerEmerging growth company
Fiscal Year End
December 31

Price History

BLLN-9.3% · -11.0% CAGRSPY+15.0% · +18.0% CAGR

Company Snapshot

P/S is the primary valuation lens — earnings are reinvested, not available for P/E.

Market Cap

$4.94B

P/E (annual)

747.1

P/S (annual)

16.2

P/B

9.2

P/OCF (annual)

200.7

Shareholder Yield

-110.6%

Employees

713

Industry

Diagnostics & Research

Exchange

Nasdaq

Signal Flags

1 green1 yellow
Sequential beat (rev + EPS)Both revenue and EPS exceeded prior quarter — 1-quarter streak
Dilution above 2%Annual share count increase exceeds 2%. May be acceptable for high-growth companies funding talent via stock compensation

Quality Profile

Profitability

1/1 pass
GP / assets
0.29
Return on equity
1.4%
Gross margin trend
PASS

Safety

1/1 pass
Balance-sheet safety
PASS
Debt / equity
0.36
Current ratio
11.69×
Net cash
$491.40M

Cash Flow

3/3 pass
Positive FCF
PASS
Cash-backed earnings
PASS
Accruals healthy
PASS
SBC / revenue
5.2%

Growth

1/2 pass
Revenue growth
100.0%
Piotroski F-Score
7 / 9
Share dilution
110.6%

Terry Smith quality gate

Passes 2/5 Terry Smith thresholds

1 of 5 threshold not computable from filed data.

What Growth Is Priced In

Implied revenue growth (10Y)

34.9%

stretched

The annual FCF growth rate today's price requires over a 10-year horizon (discount rate 10%, terminal growth 2.5%).

Dilution drag: 110.6% — per-share value needs a total required return of 145.5% once share-count change is priced in.

vs. own 6-year median revenue growth: 100.0%

within its own history

Cost-of-equity sensitivity (implied growth at different discount rates)

r = 8%

29.1%

r = 10% (base)

34.9%

r = 12%

39.9%

Net debt / market cap: -22.1%

Base FCF: $15.7M3Y mean FCF: $15.7M

Valuation History

Current multiple vs historical range at each filing date. Band spans 25th-75th percentile.

P / S

Price / revenue per share

4.7xFair
4.4xmed 4.7x9.2x

P / GP

Price / gross profit per share

6.9xCheap
6.9xmed 8.4x38.1x

Revenue growth and the path to profitability (margin trend) are the primary reads at this stage.

Profitability

Gross profitability (GP / assets)

0.29

Primary signal (Novy-Marx).

6th of 8 SIC 80 peers

Return on equity

1.4%

Gross margin

68.3%

4th of 8 SIC 80 peers

Revenue growth (YoY)

100.0%

Gross margin improving

Margin trend vs prior year.

PASS

Operating Leverage

202320242025
Revenue vs COGS
Revenue vs OpEx
Op. Income vs Revenue

Anti-fragile safety

Balance-sheet safety

Composite anti-fragile check.

PASS

Debt / equity

0.36

2nd of 7 SIC 80 peers (best = lowest)

Current ratio

11.69×

1st of 8 SIC 80 peers

Quick ratio

11.19×

Net cash

$491.40M

Cash & equivalents minus total debt.

Cash-flow health

Free cash flow

$15.71M

Operating cash flow minus capex.

Positive free cash flow

PASS

FCF / net income

1.11

Cash-backing of earnings.

FCF/NI divergence

Unfavorable divergence (yellow flag).

PASS

Accruals healthy

Cash-backed earnings.

PASS

SBC / revenue

5.2%

Stock-based comp intensity.

Piotroski F-Score

F-Score

7 / 9

Fundamental-strength score (0-9).

Lifecycle Phase History

20232025
Hypergrowth