MRK vs PAHC vs RDGL Stock Comparison

Merck, Phibro Animal Health and Vivos Prices as of Oct 28, 2026 Peers: Industry group
MRK Merck & Co., Inc.
$141.04 -5.2% 1M +62.1% 1Y
Market cap
$362.25B
P/E
114.2x
Revenue (TTM)
$66.57B
Div. yield
0.02%
Pharmaceuticals Healthcare
4 wins
RDGL Vivos Inc
$0.05 +25.0% 1M -37.5% 1Y
Market cap
$20.37M
P/E
–
Revenue (TTM)
$68.38K
Div. yield
–
Medical Devices Healthcare
1 win

Head to Head

12 decided of 12

Phibro Animal Health leads on 7 of the 12 questions below (Phibro Animal Health 7, Merck 4, Vivos 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMRKPAHCRDGLLeader
Larger companyMarket capitalisation $362.25B $1.58B $20.37M MRK
Cheaper on earningsLower P/E, profitable companies only 114.2x 15.8x -6.6x PAHC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 56.9x 11.1x — PAHC
Faster revenue growthRevenue growth, trailing twelve months +4.6% +17.1% +144.3% RDGL
More profitableNet margin, trailing twelve months 4.8% 6.6% -4,483.9% PAHC
Better return on capitalReturn on invested capital 3.6% 14.2% — PAHC
Less leveragedLower net debt / EBITDA 3.6x 2.1x — PAHC
Higher dividend yieldTrailing dividend yield 0.02% 0.01% 0.00% MRK
Better 1-year returnPrice return, last 12 months +62.1% -9.1% -37.5% MRK
Better 5-year returnAnnualised price return, 5 years +9.9%/yr +11.5%/yr -13.0%/yr PAHC
Less volatileAnnualised volatility, 1 year 29.6% 55.5% 122.1% MRK
Higher overall scoreMean of the five percentile scores vs peers 62/100 68/100 26/100 PAHC

Percentile Scorecard

MRKPAHCRDGL

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

AxisMRKPAHCRDGL
Valuation 81 #120 of 625 92 #52 of 625 8 #208 of 227
Growth 36 #383 of 602 85 #90 of 602 14 #189 of 219
Profitability 91 #53 of 549 85 #81 of 549 2 #201 of 205
Financial Health 20 #523 of 654 26 #485 of 654 90 #25 of 237
Shareholder Returns 81 #69 of 367 54 #171 of 367 17 #112 of 135
Overall 62 68 26
  • MRK ranked among 672 companies in Pharmaceuticals and Biotechnology
  • PAHC ranked among 672 companies in Pharmaceuticals and Biotechnology
  • RDGL ranked among 247 companies in Medical Devices and Diagnostics

Price Performance

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

Returns

PeriodMRKPAHCRDGLSPY
1 month -5.2%+6.1%+25.0% +0.9%
3 months +8.2%+2.5%-16.7% +5.9%
6 months +27.1%-27.8%-28.6% +8.5%
Year to date +34.0%+1.4%-28.6% +13.3%
1 year +62.1%-9.1%-37.5% +12.4%
3 years +37.2%+251.7%-16.7% +88.1%
3 years, per year +11.1%+52.1%-5.9% +23.5%
5 years +60.2%+72.7%-50.0% +68.2%
5 years, per year +9.9%+11.5%-13.0% +11.0%
10 years +139.7%+45.4%-95.5% +263.4%
10 years, per year +9.1%+3.8%-26.7% +13.8%

Risk

MeasureMRKPAHCRDGLSPY
Volatility, 1Y 29.6%55.5%122.1% 12.7%
Downside volatility, 1Y 24.5%59.8%285.8% 12.7%
Beta vs S&P 500, 1Y 0.120.75-0.22 1.00
Return / volatility, 1Y 2.10-0.16-0.31 0.98
Max drawdown, 5Y -44.7%-57.9%-84.0% -25.4%
From 52-week high -9.8%-36.4%-44.4% -0.9%
52-week high $156.45$59.58$0.09 $779.14
52-week low $82.49$28.52$0.04 $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.

MultipleMRKPAHCRDGL
P/E now vs peer median 109.8xmedian 17.4x 15.4xmedian 17.4x -7.4xmedian 28.8x
P/S now vs peer median 5.2xmedian 9.1x 1.0xmedian 9.1x 333.1xmedian 3.0x
EV/EBITDA now vs peer median 30.1xmedian 17.1x 8.1xmedian 17.1x —median 17.4x
P/FCF now vs peer median 21.7xmedian 19.0x 155.7xmedian 19.0x -11.1xmedian 25.7x
P/B now vs peer median 8.3xmedian 2.2x 4.0xmedian 2.2x 13.7xmedian 2.4x
PEG now vs peer median 69.11median 0.34 0.35median 0.34 -5.99median 1.03

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 monthsMRKPAHCRDGL
Revenue $66.57B $1.52B $68.38K
Gross profit $48.57B $512.52M -$59.76K
Operating income $6.38B $194.40M -$3.17M
Net income $3.17B $99.72M -$3.07M
Free cash flow $16.06B $9.87M -$2.06M
R&D $30.45B – $352.23K
EPS (diluted) $1.28 $2.43 $-0.01
Cash & equivalents $6.85B $61.42M $1.56M
Total debt $53.91B $2.49B –
Shares (diluted) 2.47B 40.96M 452.72M
Enterprise value $316.63B $1.26B $10.69M

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
MetricMRKPAHCRDGL
P/E 109.8x 15.4x -7.4x
P/FCF 21.7x 155.7x -11.1x
P/Operating cash flow 17.4x 22.3x -11.1x
P/S 5.2x 1.0x 333.1x
P/B 8.3x 4.0x 13.7x
P/Tangible book 20.5x 4.3x 13.7x
EV/EBITDA 30.1x 8.1x –
EV/EBIT 61.9x 10.7x -6.7x
EV/Revenue 5.9x 1.4x 310.3x
EV/FCF 24.6x 209.9x -10.3x
EV/Operating cash flow 19.8x 30.0x -10.3x
PEG (3Y EPS CAGR) 69.11 0.35 -5.99

Growth

14 metrics
MetricMRKPAHCRDGL
Revenue growth (1Y) 4.6% 17.1% 144.3%
Revenue CAGR (3Y) 4.5% 15.8% 23.3%
Gross profit growth (1Y) -0.3% 28.1% -1,903%
Gross profit CAGR (3Y) 4.5% 19.8% -113.6%
Operating income growth (1Y) -66.6% 76.0% -21.5%
Operating income CAGR (3Y) 1.9% 39.3% -7.9%
Net income growth (1Y) -80.7% 106.6% -5.3%
Net income CAGR (3Y) 0.5% 45.2% -7.5%
EPS growth (1Y) -80.3% 105.2% 4.7%
EPS CAGR (3Y) 1.6% 44.6% 1.2%
Operating cash flow growth (1Y) 7.7% -13.9% -22.2%
Operating cash flow CAGR (3Y) 9.8% 73.0% -22.5%
Free cash flow growth (1Y) 9.1% -76.4% -22.2%
Free cash flow CAGR (3Y) 14.0% 31.2% -22.5%

Profitability

14 metrics
MetricMRKPAHCRDGL
Gross margin 73.0% 33.8% -87.4%
EBITDA margin 19.7% 16.8% –
Operating margin 9.6% 12.8% -4,629%
Pretax margin 8.9% 9.0% -4,484%
Net margin 4.8% 6.6% -4,484%
FCF margin 24.1% 0.6% -3,009%
Operating cash flow margin 30.0% 4.5% -3,009%
Return on equity 7.2% 26.7% -159.5%
Return on assets 2.5% 6.8% -147.3%
Return on invested capital 3.6% 14.2% –
Return on capital employed 6.3% 16.8% -161.2%
Asset turnover 0.5x 1.0x 0.0x
Cash conversion (OCF / net income) 6.3x 0.7x 0.7x
Stock comp / revenue 1.3% 0.1% 1,505%

Financial Health

11 metrics
MetricMRKPAHCRDGL
Debt / assets 41.5% 41.1% –
Debt / equity 1.3x 1.6x –
Net debt / EBITDA 3.6x 2.1x –
Debt / FCF 3.4x 62.5x –
Liabilities / assets 67.7% 74.3% 11.1%
Equity / assets 32.3% 25.7% 88.9%
Interest coverage – 4.2x –
Current ratio 1.3x 3.0x 14.0x
Quick ratio 0.7x 1.1x 13.4x
Cash ratio 0.3x 0.3x 13.2x
Altman Z-score 3.82 3.09 -4.76

Shareholder Returns

7 metrics
MetricMRKPAHCRDGL
Dividend yield 2.4% 1.3% –
Net buyback yield 1.1% – -6.6%
Shareholder yield 3.5% 1.3% -6.6%
Payout ratio (earnings) 261.8% 19.5% –
Payout ratio (FCF) 51.7% 197.3% –
Dividend growth (1Y) 3.3% 0.1% –
Dividend CAGR (3Y) 4.7% 0.0% –

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.

ConsensusMRKPAHCRDGL
Forward P/E 56.9xFY2026 11.1xFY2027 –
EPS, next fiscal year $2.48FY2026 $3.42FY2027 –
EPS growth, next FY -72.4%FY2026 +6.2%FY2027 –
EPS growth, the year after +257.3% +9.6% –
Revenue, next fiscal year $69.45BFY2026 $1.53BFY2027 –
Revenue growth, next FY +6.8%FY2026 +0.6%FY2027 –
Revenue growth, the year after -3.8% -0.2% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMRKPAHCRDGL
Held by institutions 79.9% 51.5% –
Institutions holding 3,797 208 –
Change in shares held, QoQ +2.6% +3.1% –
Institutions buying 1,843 117 –
Institutions selling 1,464 73 –
Buyers to sellers 1.26 1.60 –

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.

MRKPAHCRDGL
MRK 1.00 0.21 0.08
PAHC 0.21 1.00 0.07
RDGL 0.08 0.07 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MRK, PAHC and RDGL?

Merck (MRK) is the largest by market capitalisation: Merck (MRK) $362.25B, Phibro Animal Health (PAHC) $1.58B, Vivos (RDGL) $20.37M.

Which stock is cheaper, MRK, PAHC and RDGL?

Phibro Animal Health (PAHC) trades on the lowest price-to-earnings ratio (Merck (MRK) 114.2x, Phibro Animal Health (PAHC) 15.8x, Vivos (RDGL) -6.6x). On next year's consensus earnings, Phibro Animal Health (PAHC) is cheapest (Merck (MRK) 56.9x, Phibro Animal Health (PAHC) 11.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Vivos (RDGL) grew revenue fastest over the trailing twelve months: Merck (MRK) +4.6%, Phibro Animal Health (PAHC) +17.1%, Vivos (RDGL) +144.3%.

Which company is more profitable?

Phibro Animal Health (PAHC) has the highest net margin (Merck (MRK) 4.8%, Phibro Animal Health (PAHC) 6.6%, Vivos (RDGL) -4,483.9%). On return on invested capital, Phibro Animal Health (PAHC) leads (Merck (MRK) 3.6%, Phibro Animal Health (PAHC) 14.2%).

Which stock has performed better?

Over the past year Merck (MRK) returned the most: Merck (MRK) +62.1%, Phibro Animal Health (PAHC) -9.1%, Vivos (RDGL) -37.5%. Over five years, Phibro Animal Health (PAHC) compounded fastest (Merck (MRK) +9.9%/yr, Phibro Animal Health (PAHC) +11.5%/yr, Vivos (RDGL) -13.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Merck (MRK) has the highest dividend yield: Merck (MRK) 0.02%, Phibro Animal Health (PAHC) 0.01%, Vivos (RDGL) 0.00%. Vivos (RDGL) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Merck (MRK) has been the steadiest (Merck (MRK) 29.6%, Phibro Animal Health (PAHC) 55.5%, Vivos (RDGL) 122.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MRK, PAHC and RDGL?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Phibro Animal Health (PAHC) 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.