WBSIX vs. WBIGX
Compare and contrast key facts about William Blair Small Cap Growth Fund (WBSIX) and William Blair International Growth Fund (WBIGX).
WBSIX is managed by William Blair. It was launched on Dec 27, 1999. WBIGX is managed by William Blair. It was launched on Sep 30, 1992.
Performance
WBSIX vs. WBIGX - Performance Comparison
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WBSIX vs. WBIGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
WBSIX William Blair Small Cap Growth Fund | -1.71% | 3.03% | 32.88% | 16.38% | -21.46% | 12.64% | 38.87% | 22.53% | -2.08% | 26.81% |
WBIGX William Blair International Growth Fund | -0.77% | 17.90% | 2.11% | 15.16% | -28.65% | 8.61% | 31.66% | 30.25% | -17.99% | 29.10% |
Returns By Period
In the year-to-date period, WBSIX achieves a -1.71% return, which is significantly lower than WBIGX's -0.77% return. Over the past 10 years, WBSIX has outperformed WBIGX with an annualized return of 13.48%, while WBIGX has yielded a comparatively lower 6.98% annualized return.
WBSIX
- 1D
- 3.71%
- 1M
- -7.68%
- YTD
- -1.71%
- 6M
- 1.24%
- 1Y
- 13.76%
- 3Y*
- 13.68%
- 5Y*
- 4.70%
- 10Y*
- 13.48%
WBIGX
- 1D
- 2.95%
- 1M
- -8.84%
- YTD
- -0.77%
- 6M
- 0.87%
- 1Y
- 16.42%
- 3Y*
- 8.28%
- 5Y*
- 1.11%
- 10Y*
- 6.98%
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WBSIX vs. WBIGX - Expense Ratio Comparison
WBSIX has a 1.25% expense ratio, which is lower than WBIGX's 1.31% expense ratio.
Return for Risk
WBSIX vs. WBIGX — Risk / Return Rank
WBSIX
WBIGX
WBSIX vs. WBIGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for William Blair Small Cap Growth Fund (WBSIX) and William Blair International Growth Fund (WBIGX). 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.
| WBSIX | WBIGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.59 | 1.02 | -0.43 |
Sortino ratioReturn per unit of downside risk | 0.99 | 1.44 | -0.45 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.22 | -0.09 |
Calmar ratioReturn relative to maximum drawdown | 0.83 | 1.08 | -0.26 |
Martin ratioReturn relative to average drawdown | 2.77 | 4.19 | -1.42 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| WBSIX | WBIGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.59 | 1.02 | -0.43 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.20 | 0.07 | +0.13 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.59 | 0.41 | +0.18 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.52 | 0.48 | +0.04 |
Correlation
The correlation between WBSIX and WBIGX is 0.63, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
WBSIX vs. WBIGX - Dividend Comparison
WBSIX's dividend yield for the trailing twelve months is around 7.62%, less than WBIGX's 19.12% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
WBSIX William Blair Small Cap Growth Fund | 7.62% | 7.49% | 20.14% | 1.53% | 3.55% | 17.85% | 9.73% | 2.07% | 12.60% | 16.89% | 5.42% | 8.25% |
WBIGX William Blair International Growth Fund | 19.12% | 18.97% | 7.47% | 3.38% | 7.92% | 11.75% | 0.82% | 1.07% | 8.56% | 1.28% | 1.51% | 0.92% |
Drawdowns
WBSIX vs. WBIGX - Drawdown Comparison
The maximum WBSIX drawdown since its inception was -62.35%, roughly equal to the maximum WBIGX drawdown of -65.35%. Use the drawdown chart below to compare losses from any high point for WBSIX and WBIGX.
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Drawdown Indicators
| WBSIX | WBIGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.35% | -65.35% | +3.00% |
Max Drawdown (1Y)Largest decline over 1 year | -13.31% | -13.23% | -0.08% |
Max Drawdown (5Y)Largest decline over 5 years | -38.13% | -41.18% | +3.05% |
Max Drawdown (10Y)Largest decline over 10 years | -39.16% | -41.18% | +2.02% |
Current DrawdownCurrent decline from peak | -9.52% | -10.67% | +1.15% |
Average DrawdownAverage peak-to-trough decline | -11.20% | -14.83% | +3.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.97% | 3.43% | +0.54% |
Volatility
WBSIX vs. WBIGX - Volatility Comparison
William Blair Small Cap Growth Fund (WBSIX) and William Blair International Growth Fund (WBIGX) have volatilities of 7.98% and 7.82%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WBSIX | WBIGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.98% | 7.82% | +0.16% |
Volatility (6M)Calculated over the trailing 6-month period | 15.31% | 11.81% | +3.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.77% | 16.81% | +6.96% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.83% | 16.57% | +7.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.94% | 17.10% | +5.84% |