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BillionToOne, Inc. (BLLN) Stock Fundamental Analysis & AI Rating 2026

BLLN Nasdaq Services-Medical Laboratories DE CIK: 0002070849
Updated This Month • Analysis: Mar 21, 2026 • SEC Data: 2025-12-31
Combined AI Rating
BUY
76% Confidence
STRONG AGREEMENT
BUY
72% Conf
BUY
80% Conf

📊 BLLN Key Takeaways

Revenue: $305.1M
Net Margin: 2.4%
Free Cash Flow: $15.7M
Current Ratio: 11.69x
Debt/Equity: 0.12x
EPS: $0.14
AI Rating: BUY with 72% confidence
BillionToOne, Inc. (BLLN) receives a BUY rating with 76% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $305.1M, net profit margin of 2.4%, and return on equity (ROE) of 1.6%, BillionToOne, Inc. demonstrates strong fundamentals in the Healthcare sector. Below is our complete BLLN stock analysis for 2026.

Is BillionToOne, Inc. (BLLN) a Good Investment?

Claude

BillionToOne demonstrates exceptional revenue growth (100% YoY) with strong gross margins (68.3%) and improving profitability, though operating leverage remains constrained. The company maintains excellent financial health with fortress-like liquidity (11.69x current ratio) and minimal leverage (0.12x debt/equity), providing substantial runway for operational scaling and growth investments.

ChatGPT

BillionToOne shows unusually strong top-line momentum, with revenue doubling year over year while remaining profitable and free-cash-flow positive. The balance sheet is a major strength, with nearly $496M in cash, low leverage, and very high liquidity, which gives the company flexibility to fund growth. The main fundamental constraint is that profitability is still relatively thin, so the durability of margin expansion matters more than raw revenue growth.

Why Buy BillionToOne, Inc. Stock? BLLN Key Strengths

Claude
  • + Outstanding revenue growth at 100% YoY with net income acceleration (155.4% YoY)
  • + Exceptional gross margin of 68.3% indicates strong pricing power and low cost of goods
  • + Fortress balance sheet with $496M cash, minimal debt ($57.2M), and strong liquidity ratios
  • + Positive free cash flow generation ($15.7M) supporting sustainability of growth
ChatGPT
  • + Revenue growth is exceptionally strong at 100.0% year over year, indicating meaningful commercial traction
  • + Gross margin of 68.3% supports an attractive underlying business model with room for operating leverage
  • + Balance sheet is very strong, with substantial cash, low debt-to-equity of 0.12x, and current ratio of 11.69x

BLLN Stock Risks: BillionToOne, Inc. Investment Risks

Claude
  • ! Operating margin severely compressed at 5.3% despite 68.3% gross margin, indicating high operating expense burden and limited operating leverage
  • ! Net margin of only 2.4% suggests profitability highly sensitive to operational efficiency improvements
  • ! Minimal ROE (1.6%) and ROA (1.2%) indicate inefficient capital deployment relative to asset base
  • ! Rapid growth trajectory may not be sustainable; revenue doubling creates execution risk at scale
ChatGPT
  • ! Net margin of 2.4% and operating margin of 5.3% remain modest, leaving limited room for execution missteps
  • ! Returns on capital are still low, with ROE at 1.6% and ROA at 1.2%, suggesting profits have not yet scaled efficiently
  • ! Growth quality needs continued monitoring to ensure recent profitability and free cash flow are sustainable rather than temporary

Key Metrics to Watch

Claude
  • * Operating margin expansion and path to operating leverage as revenue scales
  • * Free cash flow sustainability and conversion of revenue growth to bottom-line profitability
  • * Operating expense ratio trends relative to revenue growth
  • * Return on assets and equity improvement trajectory
ChatGPT
  • * Operating margin and net margin progression
  • * Operating cash flow and free cash flow consistency

BillionToOne, Inc. (BLLN) Financial Metrics & Key Ratios

Revenue
$305.1M
Net Income
$7.5M
EPS (Diluted)
$0.14
Free Cash Flow
$15.7M
Total Assets
$632.7M
Cash Position
$496.0M

💡 AI Analyst Insight

Strong liquidity with a 11.69x current ratio provides a solid financial cushion.

BLLN Profit Margin, ROE & Profitability Analysis

Gross Margin 68.3%
Operating Margin 5.3%
Net Margin 2.4%
ROE 1.6%
ROA 1.2%
FCF Margin 5.2%

BLLN vs Healthcare Sector: How BillionToOne, Inc. Compares

How BillionToOne, Inc. compares to Healthcare sector averages

Net Margin
BLLN 2.4%
vs
Sector Avg 12.0%
BLLN Sector
ROE
BLLN 1.6%
vs
Sector Avg 15.0%
BLLN Sector
Current Ratio
BLLN 11.7x
vs
Sector Avg 2.0x
BLLN Sector
Debt/Equity
BLLN 0.1x
vs
Sector Avg 0.6x
BLLN Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is BillionToOne, Inc. Stock Overvalued? BLLN Valuation Analysis 2026

Based on fundamental analysis, BillionToOne, Inc. has mixed fundamental signals relative to the Healthcare sector in 2026.

Return on Equity
1.6%
Sector avg: 15%
Net Profit Margin
2.4%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.12x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

BillionToOne, Inc. Balance Sheet: BLLN Debt, Cash & Liquidity

Current Ratio
11.69x
Quick Ratio
11.32x
Debt/Equity
0.12x
Debt/Assets
24.1%
Interest Coverage
N/A
Long-term Debt
$57.2M

BLLN Revenue & Earnings Growth: 5-Year Financial Trend

BLLN 5-year financial data: Year 2025: Revenue $305.1M, Net Income -$82.7M, EPS $-8.45.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: BillionToOne, Inc.'s revenue has remained relatively flat over the 5-year period, with a 0% decline. The most recent EPS of $-8.45 indicates the company is currently unprofitable.

BLLN Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
5.2%
Free cash flow / Revenue

BLLN Quarterly Earnings & Performance

Quarterly financial performance data for BillionToOne, Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $38.4M $1.5M $0.03

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

BillionToOne, Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$24.6M
Cash generated from operations
Capital Expenditures
$8.9M
Investment in assets
Dividends
None
No dividend program

BLLN SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for BillionToOne, Inc. (CIK: 0002070849)

📋 Recent SEC Filings

Date Form Document Action
Mar 11, 2026 10-K blln-20251231.htm View →
Mar 4, 2026 8-K blln-20260304.htm View →
Jan 20, 2026 4 xslF345X05/tm2531914-3_4seq1.xml View →
Jan 12, 2026 8-K blln-20260112.htm View →
Jan 5, 2026 4 xslF345X05/wk-form4_1767664367.xml View →

Frequently Asked Questions about BLLN

What is the AI rating for BLLN?

BillionToOne, Inc. (BLLN) has a Combined AI Rating of BUY from Claude (BUY) and ChatGPT (BUY) with 76% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are BLLN's key strengths?

Claude: Outstanding revenue growth at 100% YoY with net income acceleration (155.4% YoY). Exceptional gross margin of 68.3% indicates strong pricing power and low cost of goods. ChatGPT: Revenue growth is exceptionally strong at 100.0% year over year, indicating meaningful commercial traction. Gross margin of 68.3% supports an attractive underlying business model with room for operating leverage.

What are the risks of investing in BLLN?

Claude: Operating margin severely compressed at 5.3% despite 68.3% gross margin, indicating high operating expense burden and limited operating leverage. Net margin of only 2.4% suggests profitability highly sensitive to operational efficiency improvements. ChatGPT: Net margin of 2.4% and operating margin of 5.3% remain modest, leaving limited room for execution missteps. Returns on capital are still low, with ROE at 1.6% and ROA at 1.2%, suggesting profits have not yet scaled efficiently.

What is BLLN's revenue and growth?

BillionToOne, Inc. reported revenue of $305.1M.

Does BLLN pay dividends?

BillionToOne, Inc. does not currently pay dividends.

Where can I find BLLN SEC filings?

Official SEC filings for BillionToOne, Inc. (CIK: 0002070849) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is BLLN's EPS?

BillionToOne, Inc. has a diluted EPS of $0.14.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is BLLN a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, BillionToOne, Inc. has a BUY rating with 76% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is BLLN stock overvalued or undervalued?

Valuation metrics for BLLN: ROE of 1.6% (sector avg: 15%), net margin of 2.4% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy BLLN stock in 2026?

Our dual AI analysis gives BillionToOne, Inc. a combined BUY rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is BLLN's free cash flow?

BillionToOne, Inc.'s operating cash flow is $24.6M, with capital expenditures of $8.9M. FCF margin is 5.2%.

How does BLLN compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin 2.4% (avg: 12%), ROE 1.6% (avg: 15%), current ratio 11.69 (avg: 2).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 21, 2026 | Data as of: 2025-12-31 | Powered by Claude AI