MRK vs PAHC vs RDGL Stock Comparison

Merck, Phibro Animal Health and Vivos Prices as of Oct 29, 2026 Peers: Industry group
1 more company in this comparison (PFE) Create a free account to keep reading and compare up to 10 companies.
MRK Merck & Co., Inc.
$146.34 -2.0% 1M +69.0% 1Y
Market cap
$366.15B
P/E
149.3x
Revenue (TTM)
$67.38B
Div. yield
–
Pharmaceuticals Healthcare
3 wins
RDGL Vivos Inc
$0.05 +25.0% 1M -37.5% 1Y
Market cap
$22.77M
P/E
–
Revenue (TTM)
$68.38K
Div. yield
–
Medical Devices Healthcare
1 win

Head to Head

9 decided of 12

Phibro Animal Health leads on 5 of the 12 questions below (Phibro Animal Health 5, Merck 3, 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 $366.15B $1.59B $22.77M MRK
Cheaper on earningsLower P/E, profitable companies only 149.3x 15.9x -7.4x PAHC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 59.0x 11.4x — PAHC
Faster revenue growthRevenue growth, trailing twelve months +4.9% +17.1% +144.3% RDGL
More profitableNet margin, trailing twelve months — 6.6% -4,483.9% PAHC
Better return on capitalReturn on invested capital — 14.2% — –
Less leveragedLower net debt / EBITDA — 2.1x — –
Higher dividend yieldTrailing dividend yield 0.00% 0.01% — –
Better 1-year returnPrice return, last 12 months +69.0% -5.7% -37.5% MRK
Better 5-year returnAnnualised price return, 5 years +10.7%/yr +12.1%/yr -13.0%/yr PAHC
Less volatileAnnualised volatility, 1 year 29.8% 55.6% 122.1% MRK
Higher overall scoreMean of the five percentile scores vs peers 61/100 68/100 27/100 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 91 #60 of 624 92 #51 of 624 8 #208 of 227
Growth 21 #478 of 601 85 #89 of 601 14 #188 of 218
Profitability – 85 #81 of 541 2 #198 of 202
Financial Health – 26 #481 of 647 91 #23 of 233
Shareholder Returns 71 #104 of 359 53 #169 of 359 18 #107 of 130
Overall 61 68 27
  • MRK ranked among 671 companies in Pharmaceuticals and Biotechnology
  • PAHC ranked among 671 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 -2.0%+9.6%+25.0% +0.7%
3 months +12.8%+6.6%-16.7% +3.7%
6 months +34.0%-26.9%-28.6% +7.1%
Year to date +39.0%+4.0%-28.6% +12.8%
1 year +69.0%-5.7%-37.5% +11.9%
3 years +42.5%+255.2%-16.7% +85.2%
3 years, per year +12.5%+52.6%-5.9% +22.8%
5 years +66.2%+77.1%-50.0% +67.6%
5 years, per year +10.7%+12.1%-13.0% +10.9%
10 years +148.7%+49.2%-95.5% +262.0%
10 years, per year +9.5%+4.1%-26.7% +13.7%

Risk

MeasureMRKPAHCRDGLSPY
Volatility, 1Y 29.8%55.6%122.1% 12.7%
Downside volatility, 1Y 24.6%60.0%285.8% 12.6%
Beta vs S&P 500, 1Y 0.110.74-0.22 1.00
Return / volatility, 1Y 2.32-0.10-0.31 0.94
Max drawdown, 5Y -44.7%-57.9%-84.0% -25.4%
From 52-week high -6.5%-34.8%-44.4% -1.2%
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 147.4xmedian 17.8x 15.8xmedian 17.8x -7.4xmedian 28.7x
P/S now vs peer median 5.4xmedian 9.1x 1.0xmedian 9.1x 333.1xmedian 3.0x
EV/EBITDA now vs peer median —median 15.0x 8.3xmedian 15.0x —median 17.8x
P/FCF now vs peer median 22.9xmedian 21.7x 159.7xmedian 21.7x -11.1xmedian 26.4x
P/B now vs peer median —median 2.2x 4.1xmedian 2.2x 13.7xmedian 2.4x
PEG now vs peer median -8.13median 0.35 0.35median 0.35 -5.99median 0.99

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 $67.38B $1.52B $68.38K
Gross profit – $512.52M -$59.76K
Operating income – $194.40M -$3.17M
Net income – $99.72M -$3.07M
Free cash flow – $9.87M -$2.06M
R&D $30.76B – $352.23K
EPS (diluted) $0.99 $2.43 $-0.01
Cash & equivalents – $61.42M $1.56M
Total debt – $2.49B –
Shares (diluted) 2.47B 40.96M 452.72M
Enterprise value $366.15B $1.27B $13.09M

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 147.4x 15.8x -7.4x
P/FCF 22.9x 159.7x -11.1x
P/Operating cash flow – 22.9x -11.1x
P/S 5.4x 1.0x 333.1x
P/B – 4.1x 13.7x
P/Tangible book – 4.4x 13.7x
EV/EBITDA – 8.3x –
EV/EBIT – 10.9x -6.7x
EV/Revenue 5.4x 1.4x 310.3x
EV/FCF – 213.9x -10.3x
EV/Operating cash flow – 30.6x -10.3x
PEG (3Y EPS CAGR) -8.13 0.35 -5.99

Growth

14 metrics
MetricMRKPAHCRDGL
Revenue growth (1Y) 4.9% 17.1% 144.3%
Revenue CAGR (3Y) 4.3% 15.8% 23.3%
Gross profit growth (1Y) – 28.1% -1,903%
Gross profit CAGR (3Y) – 19.8% -113.6%
Operating income growth (1Y) – 76.0% -21.5%
Operating income CAGR (3Y) – 39.3% -7.9%
Net income growth (1Y) – 106.6% -5.3%
Net income CAGR (3Y) – 45.2% -7.5%
EPS growth (1Y) -87.0% 105.2% 4.7%
EPS CAGR (3Y) -18.1% 44.6% 1.2%
Operating cash flow growth (1Y) – -13.9% -22.2%
Operating cash flow CAGR (3Y) – 73.0% -22.5%
Free cash flow growth (1Y) – -76.4% -22.2%
Free cash flow CAGR (3Y) – 31.2% -22.5%

Profitability

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

Financial Health

11 metrics
MetricMRKPAHCRDGL
Debt / assets – 41.1% –
Debt / equity – 1.6x –
Net debt / EBITDA – 2.1x –
Debt / FCF – 62.5x –
Liabilities / assets – 74.3% 11.1%
Equity / assets – 25.7% 88.9%
Interest coverage – 4.2x –
Current ratio – 3.0x 14.0x
Quick ratio – 1.1x 13.4x
Cash ratio – 0.3x 13.2x
Altman Z-score – 3.11 -4.76

Shareholder Returns

7 metrics
MetricMRKPAHCRDGL
Dividend yield 2.3% 1.2% –
Net buyback yield – – -6.6%
Shareholder yield 2.3% 1.2% -6.6%
Payout ratio (earnings) – 19.5% –
Payout ratio (FCF) – 197.3% –
Dividend growth (1Y) – 0.1% –
Dividend CAGR (3Y) – 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 59.0xFY2026 11.4xFY2027 –
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 3,798 209 –
Change in shares held, QoQ +2.6% +3.0% –
Institutions buying 1,843 117 –
Institutions selling 1,465 74 –
Buyers to sellers 1.26 1.58 –

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 0.23 0.08
PAHC 0.23 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) $366.15B, Phibro Animal Health (PAHC) $1.59B, Vivos (RDGL) $22.77M.

Which stock is cheaper, MRK, PAHC and RDGL?

Phibro Animal Health (PAHC) trades on the lowest price-to-earnings ratio (Merck (MRK) 149.3x, Phibro Animal Health (PAHC) 15.9x, Vivos (RDGL) -7.4x). On next year's consensus earnings, Phibro Animal Health (PAHC) is cheapest (Merck (MRK) 59.0x, Phibro Animal Health (PAHC) 11.4x). 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) +4.9%, Phibro Animal Health (PAHC) +17.1%, Vivos (RDGL) +144.3%.

Which company is more profitable?

Phibro Animal Health (PAHC) has the highest net margin (Phibro Animal Health (PAHC) 6.6%, Vivos (RDGL) -4,483.9%).

Which stock has performed better?

Over the past year Merck (MRK) returned the most: Merck (MRK) +69.0%, Phibro Animal Health (PAHC) -5.7%, Vivos (RDGL) -37.5%. Over five years, Phibro Animal Health (PAHC) compounded fastest (Merck (MRK) +10.7%/yr, Phibro Animal Health (PAHC) +12.1%/yr, Vivos (RDGL) -13.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Merck (MRK) 0.00%, Phibro Animal Health (PAHC) 0.01%. Merck (MRK) and Vivos (RDGL) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Merck (MRK) has been the steadiest (Merck (MRK) 29.8%, Phibro Animal Health (PAHC) 55.6%, 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 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.