DGX vs GRAL vs IDXX Stock Comparison

Quest Diagnostics, Grail and Idexx Laboratories Prices as of Nov 5, 2026 Peers: Industry group
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DGX Quest Diagnostics Inc
$254.55 +11.4% 1M +42.8% 1Y
Market cap
$28.01B
P/E
24.8x
Revenue (TTM)
$11.84B
Div. yield
1.33%
Diagnostic Labs Healthcare
5 wins
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

11 decided of 12

Idexx Laboratories leads on 5 of the 12 questions below (Idexx Laboratories 5, Quest Diagnostics 5, Grail 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionDGXGRALIDXXLeader
Larger companyMarket capitalisation $28.01B $5.33B $52.85B IDXX
Cheaper on earningsLower P/E, profitable companies only 24.8x -13.7x 44.7x DGX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 23.2x — 42.6x DGX
Faster revenue growthRevenue growth, trailing twelve months +9.1% +12.3% +11.9% GRAL
More profitableNet margin, trailing twelve months 9.5% -255.1% 25.4% IDXX
Better return on capitalReturn on invested capital 9.9% — 45.4% IDXX
Less leveragedLower net debt / EBITDA 2.1x — 0.4x IDXX
Higher dividend yieldTrailing dividend yield 1.33% — — –
Better 1-year returnPrice return, last 12 months +42.8% +40.7% -6.9% DGX
Better 5-year returnAnnualised price return, 5 years +12.6%/yr — +1.0%/yr DGX
Less volatileAnnualised volatility, 1 year 24.1% 113.0% 35.9% DGX
Higher overall scoreMean of the five percentile scores vs peers 63/100 37/100 76/100 IDXX

Percentile Scorecard

DGXGRALIDXX

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

AxisDGXGRALIDXX
Valuation 70 #29 of 95 7 #88 of 95 74 #164 of 634
Growth 38 #55 of 88 35 #58 of 88 70 #182 of 608
Profitability 81 #17 of 87 6 #82 of 87 97 #16 of 557
Financial Health 58 #43 of 100 99 #2 of 100 47 #349 of 654
Shareholder Returns 68 #20 of 60 – 92 #32 of 403
Overall 63 37 76
  • DGX ranked among 102 companies in Healthcare Providers
  • GRAL ranked among 102 companies in Healthcare Providers
  • IDXX ranked among 671 companies in Pharmaceuticals and Biotechnology

Price Performance

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

Returns

PeriodDGXGRALIDXXSPY
1 month +11.4%-13.2%+30.1% -5.9%
3 months +6.7%+87.9%+13.7% -4.6%
6 months +33.4%+89.3%+17.2% +0.2%
Year to date +46.7%+39.2%-0.9% +7.5%
1 year +42.8%+40.7%-6.9% +8.2%
3 years +90.1%—+58.6% +68.3%
3 years, per year +23.9%—+16.6% +19.0%
5 years +81.1%—+5.2% +56.5%
5 years, per year +12.6%—+1.0% +9.4%
10 years +213.4%—+531.5% +251.5%
10 years, per year +12.1%—+20.2% +13.4%

Risk

MeasureDGXGRALIDXXSPY
Volatility, 1Y 24.1%113.0%35.9% 13.6%
Downside volatility, 1Y 18.6%129.2%32.5% 14.2%
Beta vs S&P 500, 1Y -0.042.920.80 1.00
Return / volatility, 1Y 1.780.36-0.19 0.60
Max drawdown, 5Y -30.3%-62.9%-50.9% -25.4%
From 52-week high -0.4%-25.0%-12.5% -5.9%
52-week high $255.59$158.92$766.68 $779.14
52-week low $173.49$43.03$504.70 $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.

MultipleDGXGRALIDXX
P/E now vs peer median 24.8xmedian 24.8x -13.7xmedian 24.8x 44.7xmedian 17.8x
P/S now vs peer median 2.4xmedian 1.6x 33.5xmedian 1.6x 11.3xmedian 8.1x
EV/EBITDA now vs peer median 14.2xmedian 15.9x -10.7xmedian 15.9x 32.1xmedian 15.7x
P/FCF now vs peer median 20.4xmedian 20.9x -17.1xmedian 20.9x 40.5xmedian 21.0x
P/B now vs peer median 3.5xmedian 3.3x 2.2xmedian 3.3x 28.3xmedian 2.0x
PEG now vs peer median 1.70median 0.88 —median 0.88 2.95median 0.36

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 monthsDGXGRALIDXX
Revenue $11.84B $159.20M $4.66B
Gross profit $3.92B $75.17M $2.92B
Operating income $1.72B -$578.58M $1.51B
Net income $1.18B -$406.18M $1.18B
Free cash flow $1.38B -$312.00M $1.30B
R&D – $188.17M $266.87M
EPS (diluted) $10.08 $-8.68 $14.96
Cash & equivalents $797.00M $29.00M $197.54M
Total debt $5.55B – $848.88M
Shares (diluted) 112.00M 46.78M 79.05M
Enterprise value $26.09B $1.95B $52.07B

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
MetricDGXGRALIDXX
P/E 24.8x -13.7x 44.7x
P/FCF 20.4x -17.1x 40.5x
P/Operating cash flow 14.4x -17.4x 37.2x
P/S 2.4x 33.5x 11.3x
P/B 3.5x 2.2x 28.3x
P/Tangible book 4.4x 7.5x 30.2x
EV/EBITDA 14.2x -10.7x 32.1x
EV/EBIT 19.0x -7.9x 35.5x
EV/Revenue 2.8x 28.5x 11.5x
EV/FCF 23.8x -14.6x 41.0x
EV/Operating cash flow 16.8x -14.8x 37.7x
PEG (3Y EPS CAGR) 1.70 – 2.95

Growth

14 metrics
MetricDGXGRALIDXX
Revenue growth (1Y) 9.1% 12.3% 11.9%
Revenue CAGR (3Y) 8.4% – 9.1%
Gross profit growth (1Y) 8.5% 13.1% 13.7%
Gross profit CAGR (3Y) 8.4% – 10.8%
Operating income growth (1Y) 12.5% -0.7% 15.3%
Operating income CAGR (3Y) 15.1% – 11.8%
Net income growth (1Y) 15.0% 0.0% 15.1%
Net income CAGR (3Y) 12.9% – 12.8%
EPS growth (1Y) 17.6% 22.8% 17.4%
EPS CAGR (3Y) 14.6% – 15.1%
Operating cash flow growth (1Y) 3.5% 6.8% 30.4%
Operating cash flow CAGR (3Y) 21.8% – 19.6%
Free cash flow growth (1Y) -1.3% 5.4% 35.3%
Free cash flow CAGR (3Y) 32.1% – 24.2%

Profitability

14 metrics
MetricDGXGRALIDXX
Gross margin 33.1% 47.2% 62.7%
EBITDA margin 19.5% -267.5% 35.7%
Operating margin 14.6% -363.4% 32.3%
Pretax margin 12.6% -344.3% 31.7%
Net margin 9.5% -255.1% 25.4%
FCF margin 11.6% -196.0% 28.0%
Operating cash flow margin 16.5% -192.4% 30.4%
Return on equity 15.0% -16.3% 67.9%
Return on assets 6.9% -14.6% 33.1%
Return on invested capital 9.9% – 45.4%
Return on capital employed 11.3% -21.5% 65.2%
Asset turnover 0.7x 0.1x 1.3x
Cash conversion (OCF / net income) 1.7x 0.8x 1.2x
Stock comp / revenue 0.7% 40.3% 1.4%

Financial Health

11 metrics
MetricDGXGRALIDXX
Debt / assets 32.2% – 22.9%
Debt / equity 0.7x – 0.5x
Net debt / EBITDA 2.1x – 0.4x
Debt / FCF 4.0x – 0.7x
Liabilities / assets 53.8% 10.1% 49.6%
Equity / assets 46.2% 89.9% 50.4%
Interest coverage 6.5x – 43.5x
Current ratio 1.7x 8.9x 1.2x
Quick ratio 1.4x 8.6x 0.7x
Cash ratio 0.4x 8.4x 0.2x
Altman Z-score 3.78 5.84 22.69

Shareholder Returns

7 metrics
MetricDGXGRALIDXX
Dividend yield 1.3% – –
Net buyback yield 1.2% – 1.8%
Shareholder yield 2.5% – 1.8%
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.

ConsensusDGXGRALIDXX
Forward P/E 23.2xFY2026 – 42.6xFY2026
EPS, next fiscal year $10.97FY2026 $-9.05FY2026 $15.74FY2026
EPS growth, next FY +11.4%FY2026 – +20.3%FY2026
EPS growth, the year after +6.7% – +12.5%
Revenue, next fiscal year $11.25BFY2026 $169.78MFY2026 $5.02BFY2026
Revenue growth, next FY +1.9%FY2026 +15.4%FY2026 +16.8%FY2026
Revenue growth, the year after +7.7% +38.2% +0.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersDGXGRALIDXX
Held by institutions 94.4% 85.4% 93.6%
Institutions holding 1,098 374 1,291
Change in shares held, QoQ +2.7% +8.4% +4.1%
Institutions buying 549 183 589
Institutions selling 342 101 496
Buyers to sellers 1.61 1.81 1.19

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.

DGXGRALIDXX
DGX 1.00 0.08 0.22
GRAL 0.08 1.00 0.14
IDXX 0.22 0.14 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, DGX, GRAL and IDXX?

Idexx Laboratories (IDXX) is the largest by market capitalisation: Quest Diagnostics (DGX) $28.01B, Grail (GRAL) $5.33B, Idexx Laboratories (IDXX) $52.85B.

Which stock is cheaper, DGX, GRAL and IDXX?

Quest Diagnostics (DGX) trades on the lowest price-to-earnings ratio (Quest Diagnostics (DGX) 24.8x, Grail (GRAL) -13.7x, Idexx Laboratories (IDXX) 44.7x). On next year's consensus earnings, Quest Diagnostics (DGX) is cheapest (Quest Diagnostics (DGX) 23.2x, Idexx Laboratories (IDXX) 42.6x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Grail (GRAL) grew revenue fastest over the trailing twelve months: Quest Diagnostics (DGX) +9.1%, Grail (GRAL) +12.3%, Idexx Laboratories (IDXX) +11.9%.

Which company is more profitable?

Idexx Laboratories (IDXX) has the highest net margin (Quest Diagnostics (DGX) 9.5%, Grail (GRAL) -255.1%, Idexx Laboratories (IDXX) 25.4%). On return on invested capital, Idexx Laboratories (IDXX) leads (Quest Diagnostics (DGX) 9.9%, Idexx Laboratories (IDXX) 45.4%).

Which stock has performed better?

Over the past year Quest Diagnostics (DGX) returned the most: Quest Diagnostics (DGX) +42.8%, Grail (GRAL) +40.7%, Idexx Laboratories (IDXX) -6.9%. Over five years, Quest Diagnostics (DGX) compounded fastest (Quest Diagnostics (DGX) +12.6%/yr, Idexx Laboratories (IDXX) +1.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Quest Diagnostics (DGX) 1.33%. Grail (GRAL) and Idexx Laboratories (IDXX) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Quest Diagnostics (DGX) has been the steadiest (Quest Diagnostics (DGX) 24.1%, Grail (GRAL) 113.0%, Idexx Laboratories (IDXX) 35.9%). Volatility measures how widely the price swings, not the risk of the business.

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

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Idexx Laboratories (IDXX) leads on 5. 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.