CAI vs CSTL vs GRAL Stock Comparison

Caris Life Sciences, Castle Biosciences and Grail Prices as of Nov 5, 2026 Peers: Industry group
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CSTL Castle Biosciences Inc
$34.20 +2.5% 1M +1.9% 1Y
Market cap
$1.05B
P/E
–
Revenue (TTM)
$377.13M
Div. yield
–
Diagnostic Labs Healthcare
1 win
GRAL GRAIL, Inc.
$119.13 -13.2% 1M +40.7% 1Y
Market cap
$5.33B
P/E
–
Revenue (TTM)
$159.20M
Div. yield
–
Diagnostic Labs Healthcare
1 win

Head to Head

8 decided of 12

Caris Life Sciences leads on 6 of the 12 questions below (Caris Life Sciences 6, Grail 1, Castle Biosciences 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCAICSTLGRALLeader
Larger companyMarket capitalisation $7.46B $1.05B $5.33B CAI
Cheaper on earningsLower P/E, profitable companies only 76.9x -45.5x -13.7x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 236.6x — — –
Faster revenue growthRevenue growth, trailing twelve months +61.5% +9.8% +12.3% CAI
More profitableNet margin, trailing twelve months 9.2% -6.1% -255.1% CAI
Better return on capitalReturn on invested capital 13.7% -5.8% — CAI
Less leveragedLower net debt / EBITDA -2.3x 22.2x — CAI
Higher dividend yieldTrailing dividend yield 0.00% — — –
Better 1-year returnPrice return, last 12 months -10.9% +1.9% +40.7% GRAL
Better 5-year returnAnnualised price return, 5 years — -10.5%/yr — –
Less volatileAnnualised volatility, 1 year 73.7% 55.5% 113.0% CSTL
Higher overall scoreMean of the five percentile scores vs peers 65/100 47/100 37/100 CAI

Percentile Scorecard

CAICSTLGRAL

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

AxisCAICSTLGRAL
Valuation 22 #74 of 95 42 #56 of 95 7 #88 of 95
Growth 99 #2 of 88 49 #45 of 88 35 #58 of 88
Profitability 72 #25 of 87 37 #55 of 87 6 #82 of 87
Financial Health 79 #22 of 100 86 #15 of 100 99 #2 of 100
Shareholder Returns 54 #28 of 60 22 #47 of 60 –
Overall 65 47 37
  • CAI ranked among 102 companies in Healthcare Providers
  • CSTL ranked among 102 companies in Healthcare Providers
  • GRAL ranked among 102 companies in Healthcare Providers

Price Performance

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

Returns

PeriodCAICSTLGRALSPY
1 month -5.2%+2.5%-13.2% -5.9%
3 months +30.2%+12.2%+87.9% -4.6%
6 months +31.2%+77.8%+89.3% +0.2%
Year to date -3.5%-12.1%+39.2% +7.5%
1 year -10.9%+1.9%+40.7% +8.2%
3 years —+89.4%— +68.3%
3 years, per year —+23.7%— +19.0%
5 years —-42.6%— +56.5%
5 years, per year —-10.5%— +9.4%

Risk

MeasureCAICSTLGRALSPY
Volatility, 1Y 73.7%55.5%113.0% 13.6%
Downside volatility, 1Y 77.8%62.0%129.2% 14.2%
Beta vs S&P 500, 1Y 1.991.142.92 1.00
Return / volatility, 1Y -0.150.030.36 0.60
Max drawdown, 5Y -63.0%-81.0%-62.9% -25.4%
From 52-week high -28.0%-20.5%-25.0% -5.9%
52-week high $36.14$43.04$158.92 $779.14
52-week low $14.55$18.15$43.03 $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.

MultipleCAICSTLGRAL
P/E now vs peer median 76.9xmedian 24.8x -45.5xmedian 24.8x -13.7xmedian 24.8x
P/S now vs peer median 7.1xmedian 1.6x 2.8xmedian 1.6x 33.5xmedian 1.6x
EV/EBITDA now vs peer median 42.6xmedian 15.9x -65.0xmedian 15.9x -10.7xmedian 15.9x
P/FCF now vs peer median 258.2xmedian 20.9x 265.6xmedian 20.9x -17.1xmedian 20.9x
P/B now vs peer median 11.7xmedian 3.3x 2.2xmedian 3.3x 2.2xmedian 3.3x
PEG now vs peer median —median 0.88 -1.28median 0.88 —median 0.88

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 monthsCAICSTLGRAL
Revenue $1.05B $377.13M $159.20M
Gross profit $724.14M $290.66M $75.17M
Operating income $139.94M -$28.04M -$578.58M
Net income $96.06M -$23.01M -$406.18M
Free cash flow $28.91M $3.96M -$312.00M
R&D $129.36M $58.29M $188.17M
EPS (diluted) $0.33 $-0.75 $-8.68
Cash & equivalents $665.32M $78.00M $29.00M
Total debt $393.27M $10.08M –
Shares (diluted) 295.14M 30.63M 46.78M
Enterprise value $4.28B -$53.36M $1.95B

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
MetricCAICSTLGRAL
P/E 76.9x -45.5x -13.7x
P/FCF 258.2x 265.6x -17.1x
P/Operating cash flow 89.0x 26.5x -17.4x
P/S 7.1x 2.8x 33.5x
P/B 11.7x 2.2x 2.2x
P/Tangible book 11.7x 2.2x 7.5x
EV/EBITDA 42.6x -65.0x -10.7x
EV/EBIT 50.7x -28.0x -7.9x
EV/Revenue 6.8x 2.1x 28.5x
EV/FCF 245.2x 198.0x -14.6x
EV/Operating cash flow 84.5x 19.7x -14.8x
PEG (3Y EPS CAGR) – -1.28 –

Growth

14 metrics
MetricCAICSTLGRAL
Revenue growth (1Y) 61.5% 9.8% 12.3%
Revenue CAGR (3Y) – 25.2% –
Gross profit growth (1Y) 86.2% 5.8% 13.1%
Gross profit CAGR (3Y) – 24.7% –
Operating income growth (1Y) 274.2% 19.7% -0.7%
Operating income CAGR (3Y) – 30.9% –
Net income growth (1Y) 151.4% -88.1% 0.0%
Net income CAGR (3Y) – 32.7% –
EPS growth (1Y) 114.2% -78.5% 22.8%
EPS CAGR (3Y) – 35.6% –
Operating cash flow growth (1Y) 15,464% -35.7% 6.8%
Operating cash flow CAGR (3Y) – 49.1% –
Free cash flow growth (1Y) 306.4% -84.4% 5.4%
Free cash flow CAGR (3Y) – 28.0% –

Profitability

14 metrics
MetricCAICSTLGRAL
Gross margin 69.1% 77.1% 47.2%
EBITDA margin 15.9% -3.2% -267.5%
Operating margin 13.4% -7.4% -363.4%
Pretax margin 9.3% -6.0% -344.3%
Net margin 9.2% -6.1% -255.1%
FCF margin 2.8% 1.1% -196.0%
Operating cash flow margin 8.0% 10.5% -192.4%
Return on equity 15.6% -4.9% -16.3%
Return on assets 7.7% -4.0% -14.6%
Return on invested capital 13.7% -5.8% –
Return on capital employed 12.9% -5.6% -21.5%
Asset turnover 0.8x 0.7x 0.1x
Cash conversion (OCF / net income) 0.9x -1.7x 0.8x
Stock comp / revenue 6.7% 11.7% 40.3%

Financial Health

11 metrics
MetricCAICSTLGRAL
Debt / assets 31.3% 1.7% –
Debt / equity 0.6x 0.0x –
Net debt / EBITDA -2.3x 22.2x –
Debt / FCF 13.6x 2.5x –
Liabilities / assets 49.1% 17.4% 10.1%
Equity / assets 50.9% 82.6% 89.9%
Interest coverage 3.3x -51.2x –
Current ratio 6.7x 5.3x 8.9x
Quick ratio 5.7x 4.9x 8.6x
Cash ratio 4.8x 4.1x 8.4x
Altman Z-score 6.51 6.75 5.84

Shareholder Returns

7 metrics
MetricCAICSTLGRAL
Dividend yield – – –
Net buyback yield 0.0% -0.7% –
Shareholder yield 0.0% -0.7% –
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

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.

ConsensusCAICSTLGRAL
Forward P/E 236.6xFY2026 – –
EPS, next fiscal year $0.11FY2026 $-1.30FY2026 $-9.05FY2026
EPS growth, the year after +236.4% – –
Revenue, next fiscal year $1.06BFY2026 $386.63MFY2026 $169.78MFY2026
Revenue growth, next FY +30.1%FY2026 +12.3%FY2026 +15.4%FY2026
Revenue growth, the year after +21.6% +3.9% +38.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCAICSTLGRAL
Held by institutions 52.0% 89.6% 85.4%
Institutions holding 246 177 374
Change in shares held, QoQ -6.3% -1.0% +8.4%
Institutions buying 174 104 183
Institutions selling 47 55 101
Buyers to sellers 3.70 1.89 1.81

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.

CAICSTLGRAL
CAI 1.00 0.38 0.39
CSTL 0.38 1.00 0.44
GRAL 0.39 0.44 1.00

Add a Peer

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Frequently Asked Questions

Which is bigger, CAI, CSTL and GRAL?

Caris Life Sciences (CAI) is the largest by market capitalisation: Caris Life Sciences (CAI) $7.46B, Castle Biosciences (CSTL) $1.05B, Grail (GRAL) $5.33B.

Which company is growing faster?

Caris Life Sciences (CAI) grew revenue fastest over the trailing twelve months: Caris Life Sciences (CAI) +61.5%, Castle Biosciences (CSTL) +9.8%, Grail (GRAL) +12.3%.

Which company is more profitable?

Caris Life Sciences (CAI) has the highest net margin (Caris Life Sciences (CAI) 9.2%, Castle Biosciences (CSTL) -6.1%, Grail (GRAL) -255.1%). On return on invested capital, Caris Life Sciences (CAI) leads (Caris Life Sciences (CAI) 13.7%, Castle Biosciences (CSTL) -5.8%).

Which stock has performed better?

Over the past year Grail (GRAL) returned the most: Caris Life Sciences (CAI) -10.9%, Castle Biosciences (CSTL) +1.9%, Grail (GRAL) +40.7%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Castle Biosciences (CSTL) has been the steadiest (Caris Life Sciences (CAI) 73.7%, Castle Biosciences (CSTL) 55.5%, Grail (GRAL) 113.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CAI, CSTL and GRAL?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Caris Life Sciences (CAI) leads on 6. 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.