WBIIX vs. WILIX
Compare and contrast key facts about William Blair Institutional International Growth Fund (WBIIX) and William Blair International Leaders Fund (WILIX).
WBIIX is managed by William Blair. It was launched on Jul 25, 2002. WILIX is managed by William Blair. It was launched on Aug 15, 2012.
Performance
WBIIX vs. WILIX - Performance Comparison
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WBIIX vs. WILIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
WBIIX William Blair Institutional International Growth Fund | -3.55% | 18.16% | 2.40% | 15.23% | -28.39% | 9.30% | 32.69% | 30.75% | -17.49% | 29.51% |
WILIX William Blair International Leaders Fund | -2.72% | 23.21% | -0.50% | 13.10% | -28.55% | 10.16% | 26.79% | 31.76% | -12.43% | 30.03% |
Returns By Period
In the year-to-date period, WBIIX achieves a -3.55% return, which is significantly lower than WILIX's -2.72% return. Over the past 10 years, WBIIX has underperformed WILIX with an annualized return of 7.09%, while WILIX has yielded a comparatively higher 7.72% annualized return.
WBIIX
- 1D
- -1.14%
- 1M
- -12.89%
- YTD
- -3.55%
- 6M
- -1.60%
- 1Y
- 13.88%
- 3Y*
- 7.44%
- 5Y*
- 1.27%
- 10Y*
- 7.09%
WILIX
- 1D
- -1.15%
- 1M
- -13.39%
- YTD
- -2.72%
- 6M
- 0.96%
- 1Y
- 18.46%
- 3Y*
- 7.52%
- 5Y*
- 1.48%
- 10Y*
- 7.72%
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WBIIX vs. WILIX - Expense Ratio Comparison
WBIIX has a 0.98% expense ratio, which is higher than WILIX's 0.90% expense ratio.
Return for Risk
WBIIX vs. WILIX — Risk / Return Rank
WBIIX
WILIX
WBIIX vs. WILIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for William Blair Institutional International Growth Fund (WBIIX) and William Blair International Leaders Fund (WILIX). 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.
| WBIIX | WILIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.76 | 0.96 | -0.19 |
Sortino ratioReturn per unit of downside risk | 1.11 | 1.36 | -0.25 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.21 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 0.86 | 1.14 | -0.28 |
Martin ratioReturn relative to average drawdown | 3.41 | 4.45 | -1.04 |
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
| WBIIX | WILIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.76 | 0.96 | -0.19 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.08 | 0.08 | -0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.42 | 0.44 | -0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.40 | 0.43 | -0.03 |
Correlation
The correlation between WBIIX and WILIX is 0.97, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
WBIIX vs. WILIX - Dividend Comparison
WBIIX's dividend yield for the trailing twelve months is around 12.99%, more than WILIX's 8.20% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
WBIIX William Blair Institutional International Growth Fund | 12.99% | 12.53% | 7.49% | 2.51% | 6.57% | 16.58% | 12.61% | 0.95% | 11.74% | 4.16% | 1.15% | 1.28% |
WILIX William Blair International Leaders Fund | 8.20% | 7.98% | 0.58% | 0.45% | 0.19% | 2.82% | 0.80% | 0.56% | 4.14% | 2.17% | 1.01% | 0.74% |
Drawdowns
WBIIX vs. WILIX - Drawdown Comparison
The maximum WBIIX drawdown since its inception was -65.13%, which is greater than WILIX's maximum drawdown of -41.01%. Use the drawdown chart below to compare losses from any high point for WBIIX and WILIX.
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Drawdown Indicators
| WBIIX | WILIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -65.13% | -41.01% | -24.12% |
Max Drawdown (1Y)Largest decline over 1 year | -13.17% | -13.67% | +0.50% |
Max Drawdown (5Y)Largest decline over 5 years | -40.91% | -41.01% | +0.10% |
Max Drawdown (10Y)Largest decline over 10 years | -40.91% | -41.01% | +0.10% |
Current DrawdownCurrent decline from peak | -13.17% | -13.67% | +0.50% |
Average DrawdownAverage peak-to-trough decline | -14.89% | -9.87% | -5.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.33% | 3.50% | -0.17% |
Volatility
WBIIX vs. WILIX - Volatility Comparison
William Blair Institutional International Growth Fund (WBIIX) and William Blair International Leaders Fund (WILIX) have volatilities of 7.03% and 7.02%, 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
| WBIIX | WILIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.03% | 7.02% | +0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 11.37% | 12.45% | -1.08% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.47% | 17.80% | -1.33% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.48% | 17.60% | -1.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.02% | 17.56% | -0.54% |