MRK vs OGN vs GSK Stock Comparison

Merck, Organon and Gsk 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
3 wins
OGN Organon & Co.
$13.77 +0.3% 1M +106.8% 1Y
Market cap
$3.62B
P/E
17.3x
Revenue (TTM)
$6.13B
Div. yield
–
Pharmaceuticals Healthcare
3 wins
GSK GSK plc
$48.76 -1.9% 1M +11.6% 1Y
Market cap
$98.41B
P/E
7.8x
Revenue (TTM)
$76.96B
Div. yield
–
Pharmaceuticals Healthcare
5 wins

Head to Head

11 decided of 12

Gsk leads on 5 of the 12 questions below (Gsk 5, Merck 3, Organon 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMRKOGNGSKLeader
Larger companyMarket capitalisation $362.25B $3.62B $98.41B MRK
Cheaper on earningsLower P/E, profitable companies only 114.2x 17.3x 7.8x GSK
Cheaper on forward earningsLower price / next fiscal year consensus EPS 56.9x 3.9x 9.6x OGN
Faster revenue growthRevenue growth, trailing twelve months +4.6% -2.5% +82.9% GSK
More profitableNet margin, trailing twelve months 4.8% 3.4% 16.4% GSK
Better return on capitalReturn on invested capital 3.6% 5.0% — OGN
Less leveragedLower net debt / EBITDA 3.6x 5.0x — MRK
Higher dividend yieldTrailing dividend yield 0.02% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +62.1% +106.8% +11.6% OGN
Better 5-year returnAnnualised price return, 5 years +9.9%/yr -17.8%/yr +2.9%/yr MRK
Less volatileAnnualised volatility, 1 year 29.6% 56.4% 26.5% GSK
Higher overall scoreMean of the five percentile scores vs peers 62/100 55/100 80/100 GSK

Percentile Scorecard

MRKOGNGSK

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

AxisMRKOGNGSK
Valuation 81 #120 of 625 99 #8 of 625 91 #56 of 625
Growth 36 #383 of 602 24 #461 of 602 75 #151 of 602
Profitability 91 #53 of 549 88 #68 of 549 96 #25 of 549
Financial Health 20 #523 of 654 16 #548 of 654 52 #313 of 654
Shareholder Returns 81 #69 of 367 51 #182 of 367 85 #56 of 367
Overall 62 55 80
  • MRK ranked among 672 companies in Pharmaceuticals and Biotechnology
  • OGN ranked among 672 companies in Pharmaceuticals and Biotechnology
  • GSK ranked among 672 companies in Pharmaceuticals and Biotechnology

Price Performance

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

Returns

PeriodMRKOGNGSKSPY
1 month -5.2%+0.3%-1.9% +0.9%
3 months +8.2%+1.7%-8.4% +5.9%
6 months +27.1%+3.2%-5.1% +8.5%
Year to date +34.0%+92.1%-0.6% +13.3%
1 year +62.1%+106.8%+11.6% +12.4%
3 years +37.2%-8.0%+41.1% +88.1%
3 years, per year +11.1%-2.7%+12.2% +23.5%
5 years +60.2%-62.5%+15.2% +68.2%
5 years, per year +9.9%-17.8%+2.9% +11.0%
10 years +139.7%—+21.5% +263.4%
10 years, per year +9.1%—+2.0% +13.8%

Risk

MeasureMRKOGNGSKSPY
Volatility, 1Y 29.6%56.4%26.5% 12.7%
Downside volatility, 1Y 24.5%38.4%24.2% 12.7%
Beta vs S&P 500, 1Y 0.120.770.21 1.00
Return / volatility, 1Y 2.101.890.44 0.98
Max drawdown, 5Y -44.7%-85.5%-38.8% -25.4%
From 52-week high -9.8%-0.3%-20.3% -0.9%
52-week high $156.45$13.81$61.18 $779.14
52-week low $82.49$5.70$43.70 $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.

MultipleMRKOGNGSK
P/E now vs peer median 109.8xmedian 17.4x 17.3xmedian 17.4x 7.8xmedian 17.4x
P/S now vs peer median 5.2xmedian 9.1x 0.6xmedian 9.1x 1.4xmedian 9.1x
EV/EBITDA now vs peer median 30.1xmedian 17.1x 7.5xmedian 17.1x —median 17.1x
P/FCF now vs peer median 21.7xmedian 19.0x 6.4xmedian 19.0x —median 19.0x
P/B now vs peer median 8.3xmedian 2.2x 3.6xmedian 2.2x 4.3xmedian 2.2x
PEG now vs peer median 69.11median 0.34 -0.48median 0.34 0.42median 0.34

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 monthsMRKOGNGSK
Revenue $66.57B $6.13B $76.96B
Gross profit $48.57B $3.23B $56.19B
Operating income $6.38B $1.13B $17.15B
Net income $3.17B $209.00M $2.75B
Free cash flow $16.06B $567.00M –
R&D $30.45B $358.00M $19.61B
EPS (diluted) $1.28 $0.77 $6.12
Cash & equivalents $6.85B $1.13B $3.88B
Total debt $53.91B $8.55B -$31.50B
Shares (diluted) 2.47B 270.45M 2.06B
Enterprise value $316.63B $128.72M $81.25B

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
MetricMRKOGNGSK
P/E 109.8x 17.3x 7.8x
P/FCF 21.7x 6.4x –
P/Operating cash flow 17.4x 4.9x –
P/S 5.2x 0.6x 1.4x
P/B 8.3x 3.6x 4.3x
P/Tangible book 20.5x -34.1x -11.7x
EV/EBITDA 30.1x 7.5x –
EV/EBIT 61.9x 9.8x 4.1x
EV/Revenue 5.9x 1.8x 0.9x
EV/FCF 24.6x 19.5x –
EV/Operating cash flow 19.8x 15.0x –
PEG (3Y EPS CAGR) 69.11 -0.48 0.42

Growth

14 metrics
MetricMRKOGNGSK
Revenue growth (1Y) 4.6% -2.5% 82.9%
Revenue CAGR (3Y) 4.5% -0.2% 28.3%
Gross profit growth (1Y) -0.3% -8.7% 84.8%
Gross profit CAGR (3Y) 4.5% -5.3% 29.1%
Operating income growth (1Y) -66.6% -9.3% 73.5%
Operating income CAGR (3Y) 1.9% -8.1% 20.2%
Net income growth (1Y) -80.7% -70.1% -70.9%
Net income CAGR (3Y) 0.5% -34.8% -48.4%
EPS growth (1Y) -80.3% -71.3% 75.6%
EPS CAGR (3Y) 1.6% -36.0% 18.8%
Operating cash flow growth (1Y) 7.7% -10.8% –
Operating cash flow CAGR (3Y) 9.8% 0.5% –
Free cash flow growth (1Y) 9.1% -13.8% –
Free cash flow CAGR (3Y) 14.0% 5.0% –

Profitability

14 metrics
MetricMRKOGNGSK
Gross margin 73.0% 52.7% 73.0%
EBITDA margin 19.7% 24.2% –
Operating margin 9.6% 18.4% 22.3%
Pretax margin 8.9% 8.0% 20.5%
Net margin 4.8% 3.4% 16.4%
FCF margin 24.1% 9.3% –
Operating cash flow margin 30.0% 12.0% –
Return on equity 7.2% 21.9% 71.9%
Return on assets 2.5% 1.6% 19.2%
Return on invested capital 3.6% 5.0% –
Return on capital employed 6.3% 10.8% 14.8%
Asset turnover 0.5x 0.5x 0.9x
Cash conversion (OCF / net income) 6.3x 3.5x –
Stock comp / revenue 1.3% 1.2% –

Financial Health

11 metrics
MetricMRKOGNGSK
Debt / assets 41.5% 64.9% -33.2%
Debt / equity 1.3x 8.5x -1.3x
Net debt / EBITDA 3.6x 5.0x –
Debt / FCF 3.4x 15.1x –
Liabilities / assets 67.7% 92.4% 74.4%
Equity / assets 32.3% 7.6% 25.6%
Interest coverage – 2.4x 10.1x
Current ratio 1.3x 2.0x -0.9x
Quick ratio 0.7x 1.0x -0.5x
Cash ratio 0.3x 0.4x -0.1x
Altman Z-score 3.82 1.30 3.19

Shareholder Returns

7 metrics
MetricMRKOGNGSK
Dividend yield 2.4% 0.6% 3.7%
Net buyback yield 1.1% – –
Shareholder yield 3.5% 0.6% 3.7%
Payout ratio (earnings) 261.8% – –
Payout ratio (FCF) 51.7% – –
Dividend growth (1Y) 3.3% – –
Dividend CAGR (3Y) 4.7% – –

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.

ConsensusMRKOGNGSK
Forward P/E 56.9xFY2026 3.9xFY2026 9.6xFY2026
EPS, next fiscal year $2.48FY2026 $3.56FY2026 $5.07FY2026
EPS growth, next FY -72.4%FY2026 -2.7%FY2026 +7.9%FY2026
EPS growth, the year after +257.3% 0.0% +4.7%
Revenue, next fiscal year $69.45BFY2026 $5.89BFY2026 $48.12BFY2026
Revenue growth, next FY +6.8%FY2026 -5.3%FY2026 +7.8%FY2026
Revenue growth, the year after -3.8% +3.0% +1.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMRKOGNGSK
Held by institutions 79.9% 84.3% 16.0%
Institutions holding 3,797 631 1,037
Change in shares held, QoQ +2.6% +10.8% -7.4%
Institutions buying 1,843 244 484
Institutions selling 1,464 186 334
Buyers to sellers 1.26 1.31 1.45

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.

MRKOGNGSK
MRK 1.00 0.01 0.52
OGN 0.01 1.00 0.04
GSK 0.52 0.04 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MRK, OGN and GSK?

Merck (MRK) is the largest by market capitalisation: Merck (MRK) $362.25B, Organon (OGN) $3.62B, Gsk (GSK) $98.41B.

Which stock is cheaper, MRK, OGN and GSK?

Gsk (GSK) trades on the lowest price-to-earnings ratio (Merck (MRK) 114.2x, Organon (OGN) 17.3x, Gsk (GSK) 7.8x). On next year's consensus earnings, Organon (OGN) is cheapest (Merck (MRK) 56.9x, Organon (OGN) 3.9x, Gsk (GSK) 9.6x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Gsk (GSK) grew revenue fastest over the trailing twelve months: Merck (MRK) +4.6%, Organon (OGN) -2.5%, Gsk (GSK) +82.9%.

Which company is more profitable?

Gsk (GSK) has the highest net margin (Merck (MRK) 4.8%, Organon (OGN) 3.4%, Gsk (GSK) 16.4%). On return on invested capital, Organon (OGN) leads (Merck (MRK) 3.6%, Organon (OGN) 5.0%).

Which stock has performed better?

Over the past year Organon (OGN) returned the most: Merck (MRK) +62.1%, Organon (OGN) +106.8%, Gsk (GSK) +11.6%. Over five years, Merck (MRK) compounded fastest (Merck (MRK) +9.9%/yr, Organon (OGN) -17.8%/yr, Gsk (GSK) +2.9%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Merck (MRK) 0.02%, Organon (OGN) 0.00%, Gsk (GSK) 0.00%. Organon (OGN) and Gsk (GSK) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Gsk (GSK) has been the steadiest (Merck (MRK) 29.6%, Organon (OGN) 56.4%, Gsk (GSK) 26.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MRK, OGN and GSK?

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