GSK vs. WST: GSK vs. West Pharmaceutical Services Stock Comparison
How do GSK (GSK) and West Pharmaceutical Services (WST) 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 West Pharmaceutical Services (WST) both fall under the Pharmaceuticals, Biotechnology & Life Sciences industry group, but GSK is classified in Pharmaceuticals while WST is classified in Life Sciences Tools & Services.
West Pharmaceutical Services (WST) 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.
| Profile Item | GSK | WST |
|---|---|---|
| Name | GSK plc ADR | West Pharmaceutical Services Inc. |
| Country/Region | United Kingdom | United States |
| GICS Sector | Health Care | Health Care |
| GICS Industry Group | Pharmaceuticals, Biotechnology & Life Sciences | Pharmaceuticals, Biotechnology & Life Sciences |
| GICS Industry | Pharmaceuticals | Life Sciences Tools & Services |
| GICS Sub-Industry | Pharmaceuticals | Life Sciences Tools & Services |
| Market Capitalization | 100.88 billion USD | 27.85 billion USD |
| Currency | USD | USD |
| Exchange | NYSE | NYSE |
| Listing Date | March 28, 1980 | March 17, 1980 |
| Security Type | ADR | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | GSK | WST |
|---|---|---|
| Total Return (1Y) | 13.73% | 51.68% |
| Total Return (3Y, Annualized) | 18.65% | 7.13% |
| Total Return (5Y, Annualized) | 7.97% | 0.05% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | GSK | WST |
|---|---|---|
| Volatility (1Y, Annualized) | 26.25% | 31.45% |
| Beta (5Y) | 0.31 | 1.13 |
| Max Drawdown (5Y) | -37.63% | -59.29% |
| Avg. Volume (3M) | 4.05M | 603.86K |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | GSK | WST |
|---|---|---|
| Sharpe Ratio (1Y) | 0.36 | 1.51 |
| Sortino Ratio (1Y) | 0.56 | 2.35 |
Profitability
ROE (TTM)
Both GSK (GSK) at 28.27% and West Pharmaceutical Services (WST) at 21.23% 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%
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
21.23%
- Max
- 109.18%
- WST
- 21.23%
- Q3
- 6.23%
- Median
- -26.66%
- Q1
- -64.05%
- Min
- -167.77%
Net Margin (TTM)
West Pharmaceutical Services (WST) at 18.81% 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%
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
18.81%
- WST
- 18.81%
- Max
- 18.05%
- Q3
- 4.78%
- Median
- 0.00%
- Q1
- -4.14%
- Min
- -17.05%
Operating Margin (TTM)
Both GSK (GSK) at 32.14% and West Pharmaceutical Services (WST) at 25.37% 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%
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
25.37%
- Max
- 83.12%
- WST
- 25.37%
- Q3
- 14.77%
- Median
- 0.00%
- Q1
- -78.82%
- Min
- -207.40%
Profitability Metrics
| Metric | GSK | WST |
|---|---|---|
| ROE (TTM) | 28.27% | 21.23% |
| ROA (TTM) | 9.24% | 11.89% |
| Net Margin (TTM) | 12.97% | 18.81% |
| Operating Margin (TTM) | 32.14% | 25.37% |
| Gross Margin (TTM) | 73.79% | 37.59% |
Growth
Revenue Growth
Both GSK (GSK) at 4.11% and West Pharmaceutical Services (WST) at 6.25% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.
EPS Growth
GSK (GSK) at 123.15% sits in the top EPS growth quartile, while West Pharmaceutical Services (WST) at 1.49% is closer to the peer norm — faster per-share earnings growth for GSK.
Growth Metrics
| Metric | GSK | WST |
|---|---|---|
| Revenue Growth (YoY) | 4.11% | 6.25% |
| Revenue Growth (3Y CAGR) | 3.66% | 2.12% |
| EPS Growth (YoY) | 123.15% | 1.49% |
| EPS Growth (3Y CAGR) | -27.63% | -4.23% |
Financial Strength
Current Ratio (MRQ)
West Pharmaceutical Services (WST) at 2.82 keeps current ratio within its industry’s typical mid-range, while GSK (GSK) at 0.86 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for GSK.
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
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
2.82
- Max
- 25.13
- Q3
- 12.13
- Median
- 5.52
- WST
- 2.82
- Q1
- 2.47
- Min
- 0.10
Debt / Equity (MRQ)
West Pharmaceutical Services (WST) at 0.11 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
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.11
- Max
- 1.42
- Q3
- 0.65
- Median
- 0.15
- WST
- 0.11
- Q1
- 0.02
- Min
- 0.00
Financial Strength Metrics
| Metric | GSK | WST |
|---|---|---|
| Current Ratio (MRQ) | 0.86 | 2.82 |
| Debt / Equity (MRQ) | 1.30 | 0.11 |
| Net Debt / EBITDA | 1.88 | -0.16 |
Dividends
Dividend Yield (TTM)
Both GSK (GSK) at 1.57% and West Pharmaceutical Services (WST) at 0.22% yield above their industries’ entire benchmark ranges — high enough that dividend safety, not income, becomes the first question.
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%
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
0.22%
- WST
- 0.22%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Both GSK (GSK) at 63.33% and West Pharmaceutical Services (WST) at 9.88% pay out more of their earnings than any of their industry peers — the thinnest cover in their groups, so dividend headroom deserves attention.
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%
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
9.88%
- WST
- 9.88%
- Max
- 0.00%
- Q3
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | GSK | WST |
|---|---|---|
| Dividend Yield (TTM) | 1.57% | 0.22% |
| Dividend Payout Ratio (TTM) | 63.33% | 9.88% |
Valuation
P/E Ratio (TTM)
GSK (GSK) at 17.54 is near its industry’s usual P/E ratio, while West Pharmaceutical Services (WST) at 44.87 sits in the richer quartile — WST needs stronger growth or earnings quality to justify the premium.
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
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
44.87
- Max
- 85.34
- WST
- 44.87
- Q3
- 43.46
- Median
- 26.69
- Q1
- 13.30
- Min
- 0.07
P/S Ratio (TTM)
GSK (GSK) at 3.01 sits in the cheaper P/S ratio quartile while West Pharmaceutical Services (WST) at 8.20 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
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
8.20
- Max
- 58.18
- Q3
- 25.77
- WST
- 8.20
- Median
- 7.30
- Q1
- 3.01
- Min
- 0.01
P/B Ratio (MRQ)
GSK (GSK) at 4.02 is valued about in line with its industry on P/B ratio, while West Pharmaceutical Services (WST) at 9.40 carries an above-peer premium to book — WST 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
WST
Pharmaceuticals, Biotechnology & Life Sciences industry group
9.40
- Max
- 13.53
- WST
- 9.40
- Q3
- 6.54
- Median
- 3.25
- Q1
- 1.69
- Min
- -5.59
Valuation Metrics
| Metric | GSK | WST |
|---|---|---|
| P/E Ratio (TTM) | 17.54 | 44.87 |
| P/S Ratio (TTM) | 3.01 | 8.20 |
| P/B Ratio (MRQ) | 4.02 | 9.40 |
| Free Cash Flow Yield (TTM) | 5.28% | 1.24% |