GSK vs. BIRK
GSK (GlaxoSmithKline plc) and BIRK (Birkenstock Holding plc) are both stocks. GSK operates in Drug Manufacturers - General (Healthcare), while BIRK operates in Footwear & Accessories (Consumer Cyclical). Over the past year, GSK returned 29.34% vs -8.93% for BIRK. At a 0.19 correlation, their price movements are largely independent.
Performance
GSK vs. BIRK - Performance Comparison
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Returns By Period
In the year-to-date period, GSK achieves a 9.89% return, which is significantly lower than BIRK's 19.19% return.
GSK
- 1D
- 0.34%
- 1M
- 4.84%
- YTD
- 9.89%
- 6M
- 10.40%
- 1Y
- 29.34%
- 3Y*
- 19.84%
- 5Y*
- 5.34%
- 10Y*
- 5.35%
BIRK
- 1D
- 5.50%
- 1M
- 47.41%
- YTD
- 19.19%
- 6M
- 7.12%
- 1Y
- -8.93%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
GSK vs. BIRK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
GSK GlaxoSmithKline plc | 9.89% | 51.23% | -5.14% | 0.24% |
BIRK Birkenstock Holding plc | 19.19% | -27.82% | 16.27% | 18.85% |
Correlation
The correlation between GSK and BIRK is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.28 |
Correlation (All Time) Calculated using the full available price history since Oct 11, 2023 | 0.19 |
Fundamentals
GSK:
$108.04B
BIRK:
$8.97B
GSK:
£2.85
BIRK:
€1.93
GSK:
13.90
BIRK:
21.88
GSK:
0.93
BIRK:
0.28
GSK:
2.47
BIRK:
3.56
GSK:
3.42
BIRK:
2.68
GSK:
£32.78B
BIRK:
€2.19B
GSK:
£23.87B
BIRK:
€1.23B
GSK:
£11.30B
BIRK:
€671.99M
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Return for Risk
GSK vs. BIRK — Risk / Return Rank
GSK
BIRK
GSK vs. BIRK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for GlaxoSmithKline plc (GSK) and Birkenstock Holding plc (BIRK). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| GSK | BIRK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.28 | ||
| Sortino ratioReturn per unit of downside risk | +1.60 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.01 | +0.20 |
| Calmar ratioReturn relative to maximum drawdown | 1.58 | -0.22 | +1.80 |
| Martin ratioReturn relative to average drawdown | 3.92 | -0.41 | +4.33 |
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Drawdowns
GSK vs. BIRK - Drawdown Comparison
The maximum GSK drawdown since its inception was -55.70%, which is greater than BIRK's maximum drawdown of -50.94%. Use the drawdown chart below to compare losses from any high point for GSK and BIRK.
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Drawdown Indicators
| GSK | BIRK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.70% | -50.94% | -4.76% |
Max Drawdown (1Y)Largest decline over 1 year | -18.63% | -41.59% | +22.96% |
Max Drawdown (3Y)Largest decline over 3 years | -28.46% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -50.10% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -50.10% | — | — |
Current DrawdownCurrent decline from peak | -11.92% | -23.31% | +11.39% |
Average DrawdownAverage peak-to-trough decline | -18.87% | -20.00% | +1.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.28% | 21.79% | -13.51% |
Volatility
GSK vs. BIRK - Volatility Comparison
The current volatility for GlaxoSmithKline plc (GSK) is 6.81%, while Birkenstock Holding plc (BIRK) has a volatility of 23.33%. This indicates that GSK experiences smaller price fluctuations and is considered to be less risky than BIRK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GSK | BIRK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.81% | 23.33% | -16.52% |
Volatility (6M)Calculated over the trailing 6-month period | 18.49% | 42.05% | -23.56% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.06% | 47.51% | -20.45% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.08% | 43.51% | -18.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.89% | 43.51% | -20.62% |
Dividends
GSK vs. BIRK - Dividend Comparison
GSK's dividend yield for the trailing twelve months is around 3.26%, while BIRK has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BIRK Birkenstock Holding plc | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
GSK GlaxoSmithKline plc | 3.26% | 3.42% | 4.60% | 3.75% | 5.47% | 4.99% | 5.59% | 4.35% | 5.65% | 5.83% | 6.86% | 5.93% |
Financials
GSK vs. BIRK - Financials Comparison
This section allows you to compare key financial metrics between GlaxoSmithKline plc and Birkenstock Holding plc. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
GSK vs. BIRK - Profitability Comparison
GSK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, GlaxoSmithKline plc reported a gross profit of 5.75B and revenue of 7.63B. Therefore, the gross margin over that period was 75.4%.
BIRK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Birkenstock Holding plc reported a gross profit of 315.59M and revenue of 628.50M. Therefore, the gross margin over that period was 50.2%.
GSK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, GlaxoSmithKline plc reported an operating income of 2.29B and revenue of 7.63B, resulting in an operating margin of 30.1%.
BIRK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Birkenstock Holding plc reported an operating income of 164.94M and revenue of 628.50M, resulting in an operating margin of 26.2%.
GSK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, GlaxoSmithKline plc reported a net income of 1.74B and revenue of 7.63B, resulting in a net margin of 22.8%.
BIRK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Birkenstock Holding plc reported a net income of 83.23M and revenue of 628.50M, resulting in a net margin of 13.2%.
Frequently Asked Questions
GSK and BIRK have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BIRK has higher volatility (23.33%) compared to GSK (6.81%). In terms of maximum drawdown, GSK dropped -55.70% vs BIRK's -50.94%.
GSK currently has the higher Sharpe Ratio (1.09 vs -0.19), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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