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GSK vs. VRTX: GSK vs. Vertex Pharmaceuticals Stock Comparison

How do GSK (GSK) and Vertex Pharmaceuticals (VRTX) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

GSK (GSK) and Vertex Pharmaceuticals (VRTX) both fall under the Pharmaceuticals, Biotechnology & Life Sciences industry group, but GSK is classified in Pharmaceuticals while VRTX is classified in Biotechnology.

Vertex Pharmaceuticals (VRTX) trades as ordinary local shares, while GSK (GSK) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.

Company profile comparison for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
Profile ItemGSKVRTX
NameGSK plc ADRVertex Pharmaceuticals Incorporated Common Stock
Country/RegionUnited KingdomUnited States
GICS SectorHealth CareHealth Care
GICS Industry GroupPharmaceuticals, Biotechnology & Life SciencesPharmaceuticals, Biotechnology & Life Sciences
GICS IndustryPharmaceuticalsBiotechnology
GICS Sub-IndustryPharmaceuticalsBiotechnology
Market Capitalization100.88 billion USD138.71 billion USD
CurrencyUSDUSD
ExchangeNYSENasdaq
Listing DateMarch 28, 1980July 24, 1991
Security TypeADRCommon Stock

Price Performance

Cumulative Growth

GSK
VRTX
GSPC
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for GSK (GSK) and Vertex Pharmaceuticals (VRTX). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for GSK (GSK) and Vertex Pharmaceuticals (VRTX). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
MetricGSKVRTX
Total Return (1Y)13.73%34.89%
Total Return (3Y, Annualized)18.65%14.44%
Total Return (5Y, Annualized)7.97%23.65%

Risk Profile

Drawdown History

GSK
VRTX
GSPC
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for GSK (GSK) and Vertex Pharmaceuticals (VRTX). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
MetricGSKVRTX
Volatility (1Y, Annualized)26.25%29.73%
Beta (5Y)0.310.29
Max Drawdown (5Y)-37.63%-29.07%
Avg. Volume (3M)4.05M1.25M

Risk-Adjusted Performance

Risk-Return Positioning

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GSK and VRTX are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
MetricGSKVRTX
Sharpe Ratio (1Y)0.361.03
Sortino Ratio (1Y)0.561.68

Profitability

ROE (TTM)

Both GSK (GSK) at 28.27% and Vertex Pharmaceuticals (VRTX) at 20.80% sit in the top peer quartile for ROE, suggesting each generates more profit from shareholders’ equity than typical industry peers.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

28.27%

Max
109.18%
GSK
28.27%
Q3
6.23%
Median
-26.66%
Q1
-64.05%
Min
-167.77%

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

20.80%

Max
109.18%
VRTX
20.80%
Q3
6.23%
Median
-26.66%
Q1
-64.05%
Min
-167.77%
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their ROE against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Net Margin (TTM)

Vertex Pharmaceuticals (VRTX) at 30.70% keeps the most of each sales dollar — above its industry’s net margin range — and GSK (GSK) at 12.97% also retains a top-quartile share.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

12.97%

Max
18.05%
GSK
12.97%
Q3
4.78%
Median
0.00%
Q1
-4.14%
Min
-17.05%

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

30.70%

VRTX
30.70%
Max
18.05%
Q3
4.78%
Median
0.00%
Q1
-4.14%
Min
-17.05%
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their net margin against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Operating Margin (TTM)

Both GSK (GSK) at 32.14% and Vertex Pharmaceuticals (VRTX) at 35.57% convert sales into operating profit at a top-quartile rate, pointing to tighter cost discipline before financing and tax.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

32.14%

Max
83.12%
GSK
32.14%
Q3
14.77%
Median
0.00%
Q1
-78.82%
Min
-207.40%

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

35.57%

Max
83.12%
VRTX
35.57%
Q3
14.77%
Median
0.00%
Q1
-78.82%
Min
-207.40%
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their operating margin against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Profitability Metrics

Profitability metrics for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
MetricGSKVRTX
ROE (TTM)28.27%20.80%
ROA (TTM)9.24%10.62%
Net Margin (TTM)12.97%30.70%
Operating Margin (TTM)32.14%35.57%
Gross Margin (TTM)73.79%54.81%

Growth

Revenue Growth

Both GSK (GSK) at 4.11% and Vertex Pharmaceuticals (VRTX) at 8.90% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: GSK (GSK) reports EPS growth of 123.15%, ranked against its industry; Vertex Pharmaceuticals (VRTX) has no EPS growth figure this period.

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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
MetricGSKVRTX
Revenue Growth (YoY)4.11%8.90%
Revenue Growth (3Y CAGR)3.66%10.35%
EPS Growth (YoY)123.15%--
EPS Growth (3Y CAGR)-27.63%6.12%

Financial Strength

Current Ratio (MRQ)

Both GSK (GSK) at 0.86 and Vertex Pharmaceuticals (VRTX) at 2.34 run current ratio in the tighter-liquidity quartile of industry peers, leaving thinner cushions against current liabilities than typical competitors.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.86

Max
25.13
Q3
12.13
Median
5.52
Q1
2.47
GSK
0.86
Min
0.10

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

2.34

Max
25.13
Q3
12.13
Median
5.52
Q1
2.47
VRTX
2.34
Min
0.10
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their current ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Debt / Equity (MRQ)

Vertex Pharmaceuticals (VRTX) at 0.31 carries an industry-typical debt-to-equity mix, while GSK (GSK) at 1.30 uses more debt funding than most peers.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

1.30

Max
1.42
GSK
1.30
Q3
0.65
Median
0.15
Q1
0.02
Min
0.00

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.31

Max
1.42
Q3
0.65
VRTX
0.31
Median
0.15
Q1
0.02
Min
0.00
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their debt-to-equity ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Financial Strength Metrics

Financial strength metrics for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
MetricGSKVRTX
Current Ratio (MRQ)0.862.34
Debt / Equity (MRQ)1.300.31
Net Debt / EBITDA1.880.03

Dividends

Dividend Yield (TTM)

Vertex Pharmaceuticals (VRTX) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile GSK (GSK) reports a yield of 1.57%, ranking against industry peers normally.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

1.57%

GSK
1.57%
Max
0.00%
Q3
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.00%

VRTX
0.00%
Max
0.00%
Q3
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their dividend yield against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Dividend Payout Ratio (TTM)

Vertex Pharmaceuticals (VRTX) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile GSK (GSK) reports a payout of 63.33%, ranking against industry peers normally.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

63.33%

GSK
63.33%
Max
0.00%
Q3
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.00%

VRTX
0.00%
Max
0.00%
Q3
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their payout ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Dividend Metrics

Dividend metrics for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
MetricGSKVRTX
Dividend Yield (TTM)1.57%0.00%
Dividend Payout Ratio (TTM)63.33%0.00%

Valuation

P/E Ratio (TTM)

Both GSK (GSK) at 17.54 and Vertex Pharmaceuticals (VRTX) at 35.21 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

17.54

Max
85.34
Q3
43.46
Median
26.69
GSK
17.54
Q1
13.30
Min
0.07

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

35.21

Max
85.34
Q3
43.46
VRTX
35.21
Median
26.69
Q1
13.30
Min
0.07
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their P/E ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

P/S Ratio (TTM)

GSK (GSK) at 3.01 sits in the cheaper P/S ratio quartile while Vertex Pharmaceuticals (VRTX) at 10.71 prices around its industry’s middle — GSK costs less per dollar of sales, though read it alongside growth and margins.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

3.01

Max
58.18
Q3
25.77
Median
7.30
Q1
3.01
GSK
3.01
Min
0.01

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

10.71

Max
58.18
Q3
25.77
VRTX
10.71
Median
7.30
Q1
3.01
Min
0.01
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their P/S ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

P/B Ratio (MRQ)

GSK (GSK) at 4.02 is valued about in line with its industry on P/B ratio, while Vertex Pharmaceuticals (VRTX) at 6.63 carries an above-peer premium to book — VRTX is pricier on assets.

GSK

Pharmaceuticals, Biotechnology & Life Sciences industry group

4.02

Max
13.53
Q3
6.54
GSK
4.02
Median
3.25
Q1
1.69
Min
-5.59

VRTX

Pharmaceuticals, Biotechnology & Life Sciences industry group

6.63

Max
13.53
VRTX
6.63
Q3
6.54
Median
3.25
Q1
1.69
Min
-5.59
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GSK (GSK) vs. Vertex Pharmaceuticals (VRTX): A comparison of their P/B ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Valuation Metrics

Valuation metrics for GSK (GSK) and Vertex Pharmaceuticals (VRTX)
MetricGSKVRTX
P/E Ratio (TTM)17.5435.21
P/S Ratio (TTM)3.0110.71
P/B Ratio (MRQ)4.026.63
Free Cash Flow Yield (TTM)5.28%1.69%