DGX vs TEM vs GH Stock Comparison

Quest Diagnostics, Tempus AI and Guardant Health Prices as of Oct 23, 2026 Peers: Industry group
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DGX Quest Diagnostics Inc
$241.90 +3.8% 1M +32.0% 1Y
Market cap
$26.69B
P/E
23.6x
Revenue (TTM)
$11.84B
Div. yield
0.01%
Diagnostic Labs Healthcare
6 wins
TEM Tempus AI, Inc.
$67.61 -11.7% 1M -22.3% 1Y
Market cap
$12.10B
P/E
–
Revenue (TTM)
$1.43B
Div. yield
–
Diagnostic Labs Healthcare
1 win
GH Guardant Health, Inc.
$169.08 -4.1% 1M +143.8% 1Y
Market cap
$23.05B
P/E
–
Revenue (TTM)
$1.18B
Div. yield
–
Diagnostic Labs Healthcare
1 win

Head to Head

8 decided of 12

Quest Diagnostics leads on 6 of the 12 questions below (Quest Diagnostics 6, Tempus AI 1, Guardant Health 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionDGXTEMGHLeader
Larger companyMarket capitalisation $26.69B $12.10B $23.05B DGX
Cheaper on earningsLower P/E, profitable companies only 23.6x -47.6x -50.8x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 22.3x — — –
Faster revenue growthRevenue growth, trailing twelve months +9.1% +50.4% +42.7% TEM
More profitableNet margin, trailing twelve months 9.5% -17.8% -38.3% DGX
Better return on capitalReturn on invested capital 9.9% -52.0% — DGX
Less leveragedLower net debt / EBITDA 2.1x — — –
Higher dividend yieldTrailing dividend yield 0.01% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +32.0% -22.3% +143.8% GH
Better 5-year returnAnnualised price return, 5 years +10.6%/yr — +9.1%/yr DGX
Less volatileAnnualised volatility, 1 year 23.8% 76.5% 57.4% DGX
Higher overall scoreMean of the five percentile scores vs peers 64/100 26/100 27/100 DGX

Percentile Scorecard

DGXTEMGH

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

AxisDGXTEMGH
Valuation 72 #27 of 93 9 #85 of 93 17 #77 of 93
Growth 40 #53 of 88 26 #65 of 88 48 #46 of 88
Profitability 77 #21 of 87 11 #78 of 87 7 #81 of 87
Financial Health 56 #45 of 100 57 #44 of 100 50 #51 of 100
Shareholder Returns 76 #14 of 56 – 15 #48 of 56
Overall 64 26 27
  • DGX ranked among 103 companies in Healthcare Providers
  • TEM ranked among 103 companies in Healthcare Providers
  • GH ranked among 103 companies in Healthcare Providers

Price Performance

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

Returns

PeriodDGXTEMGHSPY
1 month +3.8%-11.7%-4.1% -1.0%
3 months +6.1%+58.4%+14.8% +2.9%
6 months +23.2%+29.7%+90.2% +6.4%
Year to date +39.4%+14.5%+65.5% +11.4%
1 year +32.0%-22.3%+143.8% +13.1%
3 years +95.7%—+541.9% +79.4%
3 years, per year +25.1%—+85.9% +21.5%
5 years +65.1%—+54.6% +67.7%
5 years, per year +10.6%—+9.1% +10.9%
10 years +189.0%—— +255.2%
10 years, per year +11.2%—— +13.5%

Risk

MeasureDGXTEMGHSPY
Volatility, 1Y 23.8%76.5%57.4% 12.7%
Downside volatility, 1Y 18.8%67.1%48.6% 12.7%
Beta vs S&P 500, 1Y -0.102.551.01 1.00
Return / volatility, 1Y 1.35-0.292.50 1.03
Max drawdown, 5Y -30.3%-59.8%-86.7% -25.4%
From 52-week high -2.3%-26.2%-9.7% -2.5%
52-week high $247.47$91.58$187.22 $779.14
52-week low $173.49$41.55$69.35 $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.

MultipleDGXTEMGH
P/E now vs peer median 23.6xmedian 25.3x -47.8xmedian 25.3x -49.5xmedian 25.3x
P/S now vs peer median 2.2xmedian 1.6x 8.3xmedian 1.6x 19.1xmedian 1.6x
EV/EBITDA now vs peer median 13.6xmedian 14.6x —median 14.6x -49.9xmedian 14.6x
P/FCF now vs peer median 19.4xmedian 22.7x -45.0xmedian 22.7x -93.8xmedian 22.7x
P/B now vs peer median 3.3xmedian 3.3x 26.6xmedian 3.3x -101.4xmedian 3.3x
PEG now vs peer median 1.61median 0.66 —median 0.66 -4.99median 0.66

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 monthsDGXTEMGH
Revenue $11.84B $1.43B $1.18B
Gross profit $3.92B $916.19M $769.16M
Operating income $1.72B -$283.03M -$470.26M
Net income $1.18B -$254.43M -$453.44M
Free cash flow $1.38B -$263.22M -$240.72M
R&D – $196.31M $375.79M
EPS (diluted) $10.08 $-1.39 $-3.41
Cash & equivalents $797.00M $599.61M $1.05B
Total debt $5.55B $608.24M –
Shares (diluted) 112.00M 182.40M 132.87M
Enterprise value $24.45B $9.13B $19.11B

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
MetricDGXTEMGH
P/E 23.6x -47.8x -49.5x
P/FCF 19.4x -45.0x -93.8x
P/Operating cash flow 13.6x -49.9x -122.0x
P/S 2.2x 8.3x 19.1x
P/B 3.3x 26.6x -101.4x
P/Tangible book 4.2x 89.4x -91.0x
EV/EBITDA 13.6x – -49.9x
EV/EBIT 18.2x -39.0x -45.8x
EV/Revenue 2.6x 7.7x 18.2x
EV/FCF 22.8x -41.9x -89.5x
EV/Operating cash flow 16.1x -46.5x -116.3x
PEG (3Y EPS CAGR) 1.61 – -4.99

Growth

14 metrics
MetricDGXTEMGH
Revenue growth (1Y) 9.1% 50.4% 42.7%
Revenue CAGR (3Y) 8.4% – 32.4%
Gross profit growth (1Y) 8.5% 58.5% 47.7%
Gross profit CAGR (3Y) 8.4% – –
Operating income growth (1Y) 12.5% -20.6% -2.1%
Operating income CAGR (3Y) 15.1% – 4.8%
Net income growth (1Y) 15.0% -27.4% -9.6%
Net income CAGR (3Y) 12.9% – 3.7%
EPS growth (1Y) 17.6% -21.1% -2.4%
EPS CAGR (3Y) 14.6% – 9.9%
Operating cash flow growth (1Y) 3.5% -356.2% 22.4%
Operating cash flow CAGR (3Y) 21.8% – 18.1%
Free cash flow growth (1Y) -1.3% -278.0% 11.4%
Free cash flow CAGR (3Y) 32.1% – 14.4%

Profitability

14 metrics
MetricDGXTEMGH
Gross margin 33.1% 64.0% 65.0%
EBITDA margin 19.5% – -36.5%
Operating margin 14.6% -19.8% -39.7%
Pretax margin 12.6% -17.6% -38.4%
Net margin 9.5% -17.8% -38.3%
FCF margin 11.6% -18.4% -20.3%
Operating cash flow margin 16.5% -16.6% -15.7%
Return on equity 15.0% -57.3% –
Return on assets 6.9% -11.0% -23.7%
Return on invested capital 9.9% -52.0% –
Return on capital employed 11.3% -15.2% -29.9%
Asset turnover 0.7x 0.6x 0.6x
Cash conversion (OCF / net income) 1.7x 0.9x 0.4x
Stock comp / revenue 0.7% 13.0% 16.2%

Financial Health

11 metrics
MetricDGXTEMGH
Debt / assets 32.2% – –
Debt / equity 0.7x – –
Net debt / EBITDA 2.1x – –
Debt / FCF 4.0x – –
Liabilities / assets 53.8% 81.2% 111.7%
Equity / assets 46.2% 18.8% -11.7%
Interest coverage 6.5x -5.1x -97.6x
Current ratio 1.7x 3.3x 4.0x
Quick ratio 1.4x 3.1x 3.5x
Cash ratio 0.4x 2.1x 3.1x
Altman Z-score 3.69 2.88 4.44

Shareholder Returns

7 metrics
MetricDGXTEMGH
Dividend yield 1.4% – –
Net buyback yield 1.2% – -1.8%
Shareholder yield 2.6% 0.0% -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.

ConsensusDGXTEMGH
Forward P/E 22.3xFY2026 – –
EPS, next fiscal year $10.86FY2026 $-0.20FY2026 $-3.34FY2026
EPS growth, next FY +10.3%FY2026 – –
EPS growth, the year after +8.3% – –
Revenue, next fiscal year $11.19BFY2026 $1.64BFY2026 $1.42BFY2026
Revenue growth, next FY +1.3%FY2026 +29.0%FY2026 +44.5%FY2026
Revenue growth, the year after +7.8% +24.1% +27.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersDGXTEMGH
Held by institutions 94.4% 61.3% 100.0%
Institutions holding 1,096 483 594
Change in shares held, QoQ +2.7% +5.0% -2.6%
Institutions buying 549 284 353
Institutions selling 341 118 180
Buyers to sellers 1.61 2.41 1.96

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.

DGXTEMGH
DGX 1.00 0.19 0.21
TEM 0.19 1.00 0.46
GH 0.21 0.46 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, DGX, TEM and GH?

Quest Diagnostics (DGX) is the largest by market capitalisation: Quest Diagnostics (DGX) $26.69B, Tempus AI (TEM) $12.10B, Guardant Health (GH) $23.05B.

Which company is growing faster?

Tempus AI (TEM) grew revenue fastest over the trailing twelve months: Quest Diagnostics (DGX) +9.1%, Tempus AI (TEM) +50.4%, Guardant Health (GH) +42.7%.

Which company is more profitable?

Quest Diagnostics (DGX) has the highest net margin (Quest Diagnostics (DGX) 9.5%, Tempus AI (TEM) -17.8%, Guardant Health (GH) -38.3%). On return on invested capital, Quest Diagnostics (DGX) leads (Quest Diagnostics (DGX) 9.9%, Tempus AI (TEM) -52.0%).

Which stock has performed better?

Over the past year Guardant Health (GH) returned the most: Quest Diagnostics (DGX) +32.0%, Tempus AI (TEM) -22.3%, Guardant Health (GH) +143.8%. Over five years, Quest Diagnostics (DGX) compounded fastest (Quest Diagnostics (DGX) +10.6%/yr, Guardant Health (GH) +9.1%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Quest Diagnostics (DGX) 0.01%, Tempus AI (TEM) 0.00%, Guardant Health (GH) 0.00%. Tempus AI (TEM) and Guardant Health (GH) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Quest Diagnostics (DGX) has been the steadiest (Quest Diagnostics (DGX) 23.8%, Tempus AI (TEM) 76.5%, Guardant Health (GH) 57.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, DGX, TEM and GH?

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 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.