GRAL vs DGX vs BLLN Stock Comparison

Grail, Quest Diagnostics and BillionToOne Prices as of Oct 28, 2026 Peers: Industry group
GRAL GRAIL, Inc.
$157.88 +19.0% 1M +82.8% 1Y
Market cap
$6.81B
P/E
–
Revenue (TTM)
$157.21M
Div. yield
–
Diagnostic Labs Healthcare
1 win
DGX Quest Diagnostics Inc
$245.73 +3.4% 1M +37.8% 1Y
Market cap
$27.75B
P/E
24.6x
Revenue (TTM)
$11.84B
Div. yield
0.01%
Diagnostic Labs Healthcare
7 wins
BLLN BillionToOne, Inc.
$114.00 -6.3% 1M
Market cap
$5.32B
P/E
176.9x
Revenue (TTM)
$397.41M
Div. yield
–
Diagnostic Labs Healthcare
2 wins

Head to Head

10 decided of 12

Quest Diagnostics leads on 7 of the 12 questions below (Quest Diagnostics 7, BillionToOne 2, Grail 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionGRALDGXBLLNLeader
Larger companyMarket capitalisation $6.81B $27.75B $5.32B DGX
Cheaper on earningsLower P/E, profitable companies only -17.4x 24.6x 176.9x DGX
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 22.4x 150.0x DGX
Faster revenue growthRevenue growth, trailing twelve months +17.1% +9.1% +90.1% BLLN
More profitableNet margin, trailing twelve months -249.1% 9.5% 7.6% DGX
Better return on capitalReturn on invested capital — 9.9% 7.0% DGX
Less leveragedLower net debt / EBITDA — 2.1x -9.1x BLLN
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.00% –
Better 1-year returnPrice return, last 12 months +82.8% +37.8% — GRAL
Better 5-year returnAnnualised price return, 5 years — +10.9%/yr — –
Less volatileAnnualised volatility, 1 year 111.4% 23.7% 94.3% DGX
Higher overall scoreMean of the five percentile scores vs peers 43/100 64/100 57/100 DGX

Percentile Scorecard

GRALDGXBLLN

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisGRALDGXBLLN
Valuation 8 #85 of 92 70 #28 of 92 21 #73 of 92
Growth 58 #37 of 87 38 #54 of 87 100 #1 of 87
Profitability 6 #81 of 86 79 #19 of 86 61 #34 of 86
Financial Health 99 #2 of 97 55 #44 of 97 96 #5 of 97
Shareholder Returns – 76 #14 of 55 7 #51 of 55
Overall 43 64 57
  • GRAL ranked among 102 companies in Healthcare Providers
  • DGX ranked among 102 companies in Healthcare Providers
  • BLLN ranked among 102 companies in Healthcare Providers

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodGRALDGXBLLNSPY
1 month +19.0%+3.4%-6.3% +0.9%
3 months +148.9%+4.5%-14.0% +5.9%
6 months +217.7%+29.8%+54.7% +8.5%
Year to date +84.5%+41.6%+39.3% +13.3%
1 year +82.8%+37.8%— +12.4%
3 years —+92.5%— +88.1%
3 years, per year —+24.4%— +23.5%
5 years —+67.4%— +68.2%
5 years, per year —+10.9%— +11.0%
10 years —+205.5%— +263.4%
10 years, per year —+11.8%— +13.8%

Risk

MeasureGRALDGXBLLNSPY
Volatility, 1Y 111.4%23.7%94.3% 12.7%
Downside volatility, 1Y 126.1%18.8%107.3% 12.7%
Beta vs S&P 500, 1Y 2.69-0.091.66 1.00
Return / volatility, 1Y 0.741.59— 0.98
Max drawdown, 5Y -62.9%-30.3%-50.8% -25.4%
From 52-week high 0.0%-0.7%-24.0% -0.9%
52-week high $157.88$247.47$149.97 $779.14
52-week low $43.03$173.49$64.03 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleGRALDGXBLLN
P/E now vs peer median -17.4xmedian 25.6x 23.9xmedian 25.6x 176.0xmedian 25.6x
P/S now vs peer median 44.9xmedian 1.6x 2.3xmedian 1.6x 13.4xmedian 1.6x
EV/EBITDA now vs peer median -15.3xmedian 16.3x 13.8xmedian 16.3x 97.1xmedian 16.3x
P/FCF now vs peer median -23.8xmedian 21.3x 19.7xmedian 21.3x 160.9xmedian 21.3x
P/B now vs peer median 2.8xmedian 3.3x 3.4xmedian 3.3x 9.9xmedian 3.3x
PEG now vs peer median —median 0.68 1.64median 0.68 —median 0.68

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsGRALDGXBLLN
Revenue $157.21M $11.84B $397.41M
Gross profit $75.51M $3.92B $283.22M
Operating income -$559.25M $1.72B $43.30M
Net income -$391.59M $1.18B $37.71M
Free cash flow -$296.16M $1.38B $33.18M
R&D $190.72M – $59.21M
EPS (diluted) $-9.08 $10.08 $0.55
Cash & equivalents $55.65M $797.00M $548.63M
Total debt – $5.55B $91.03M
Shares (diluted) 43.11M 112.00M 54.46M
Enterprise value $3.68B $25.51B $3.54B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricGRALDGXBLLN
P/E -17.4x 23.9x 176.0x
P/FCF -23.8x 19.7x 160.9x
P/Operating cash flow -23.9x 13.9x 117.7x
P/S 44.9x 2.3x 13.4x
P/B 2.8x 3.4x 9.9x
P/Tangible book 9.3x 4.3x 9.9x
EV/EBITDA -15.3x 13.8x 97.1x
EV/EBIT -11.1x 18.4x 112.7x
EV/Revenue 39.4x 2.7x 12.3x
EV/FCF -20.9x 23.1x 147.1x
EV/Operating cash flow -21.0x 16.3x 107.6x
PEG (3Y EPS CAGR) – 1.64 –

Growth

14 metrics
MetricGRALDGXBLLN
Revenue growth (1Y) 17.1% 9.1% 90.1%
Revenue CAGR (3Y) – 8.4% –
Gross profit growth (1Y) 30.2% 8.5% 122.4%
Gross profit CAGR (3Y) – 8.4% –
Operating income growth (1Y) 11.6% 12.5% 253.2%
Operating income CAGR (3Y) – 15.1% –
Net income growth (1Y) 11.6% 15.0% 223.2%
Net income CAGR (3Y) – 12.9% –
EPS growth (1Y) 26.6% 17.6% 118.7%
EPS CAGR (3Y) – 14.6% –
Operating cash flow growth (1Y) 20.3% 3.5% –
Operating cash flow CAGR (3Y) – 21.8% –
Free cash flow growth (1Y) 20.3% -1.3% –
Free cash flow CAGR (3Y) – 32.1% –

Profitability

14 metrics
MetricGRALDGXBLLN
Gross margin 48.0% 33.1% 71.3%
EBITDA margin -257.6% 19.5% 12.6%
Operating margin -355.7% 14.6% 10.9%
Pretax margin -336.8% 12.6% 9.5%
Net margin -249.1% 9.5% 7.6%
FCF margin -188.4% 11.6% 8.3%
Operating cash flow margin -187.5% 16.5% 11.4%
Return on equity -15.5% 15.0% 7.2%
Return on assets -13.9% 6.9% 5.3%
Return on invested capital – 9.9% 7.0%
Return on capital employed -20.4% 11.3% 6.6%
Asset turnover 0.1x 0.7x 0.6x
Cash conversion (OCF / net income) 0.8x 1.7x 1.2x
Stock comp / revenue 40.9% 0.7% 6.4%

Financial Health

11 metrics
MetricGRALDGXBLLN
Debt / assets – 32.2% 12.5%
Debt / equity – 0.7x 0.2x
Net debt / EBITDA – 2.1x -9.1x
Debt / FCF – 4.0x 2.7x
Liabilities / assets 10.6% 53.8% 26.4%
Equity / assets 89.4% 46.2% 73.6%
Interest coverage – 6.5x 1,056x
Current ratio 10.9x 1.7x 11.7x
Quick ratio 10.6x 1.4x 11.2x
Cash ratio 10.3x 0.4x 9.8x
Altman Z-score 8.68 3.72 17.85

Shareholder Returns

7 metrics
MetricGRALDGXBLLN
Dividend yield – 1.4% –
Net buyback yield – 1.2% -5.7%
Shareholder yield – 2.6% -5.7%
Payout ratio (earnings) – 31.3% –
Payout ratio (FCF) – 26.8% –
Dividend growth (1Y) – 6.3% –
Dividend CAGR (3Y) – 6.1% –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusGRALDGXBLLN
Forward P/E – 22.4xFY2026 150.0xFY2026
EPS, next fiscal year $-9.05FY2026 $10.96FY2026 $0.76FY2026
EPS growth, next FY – +11.3%FY2026 +442.9%FY2026
EPS growth, the year after – +6.8% +22.4%
Revenue, next fiscal year $169.78MFY2026 $11.25BFY2026 $481.76MFY2026
Revenue growth, next FY +15.4%FY2026 +1.9%FY2026 +57.9%FY2026
Revenue growth, the year after +38.2% +7.7% +27.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersGRALDGXBLLN
Held by institutions 85.4% 94.4% 36.1%
Institutions holding 372 1,096 155
Change in shares held, QoQ +8.4% +2.7% +34.7%
Institutions buying 182 549 127
Institutions selling 100 341 13
Buyers to sellers 1.82 1.61 9.77

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

GRALDGXBLLN
GRAL 1.00 0.08 0.35
DGX 0.08 1.00 0.10
BLLN 0.35 0.10 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, GRAL, DGX and BLLN?

Quest Diagnostics (DGX) is the largest by market capitalisation: Grail (GRAL) $6.81B, Quest Diagnostics (DGX) $27.75B, BillionToOne (BLLN) $5.32B.

Which stock is cheaper, GRAL, DGX and BLLN?

Quest Diagnostics (DGX) trades on the lowest price-to-earnings ratio (Grail (GRAL) -17.4x, Quest Diagnostics (DGX) 24.6x, BillionToOne (BLLN) 176.9x). On next year's consensus earnings, Quest Diagnostics (DGX) is cheapest (Quest Diagnostics (DGX) 22.4x, BillionToOne (BLLN) 150.0x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

BillionToOne (BLLN) grew revenue fastest over the trailing twelve months: Grail (GRAL) +17.1%, Quest Diagnostics (DGX) +9.1%, BillionToOne (BLLN) +90.1%.

Which company is more profitable?

Quest Diagnostics (DGX) has the highest net margin (Grail (GRAL) -249.1%, Quest Diagnostics (DGX) 9.5%, BillionToOne (BLLN) 7.6%). On return on invested capital, Quest Diagnostics (DGX) leads (Quest Diagnostics (DGX) 9.9%, BillionToOne (BLLN) 7.0%).

Which stock has performed better?

Over the past year Grail (GRAL) returned the most: Grail (GRAL) +82.8%, Quest Diagnostics (DGX) +37.8%. Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Grail (GRAL) 0.00%, Quest Diagnostics (DGX) 0.01%, BillionToOne (BLLN) 0.00%. Grail (GRAL) and BillionToOne (BLLN) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Quest Diagnostics (DGX) has been the steadiest (Grail (GRAL) 111.4%, Quest Diagnostics (DGX) 23.7%, BillionToOne (BLLN) 94.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, GRAL, DGX and BLLN?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Quest Diagnostics (DGX) leads on 7. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.