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ISIN
US0930012200
CUSIP
093001220
Inception Date
Jun 5, 2005
Min. Investment
$500,000
Distribution Policy
Distributing
Asset Class
Multi-Asset
Asset Class Size
Large-Cap
Asset Class Style
Growth

Share Price Chart


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Performance

WBEIX Performance Chart

William Blair Emerging Markets Growth Fund (WBEIX) is up 38.6% since the beginning of the year. WBEIX is currently trading at $22 per share. Investors who bought $1,000 worth of WBEIX shares 5 years ago would now be looking at an investment worth $1,355.


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S&P 500 Index

Returns By Period

William Blair Emerging Markets Growth Fund (WBEIX) has returned 38.55% so far this year and 65.43% over the past 12 months. Over the last ten years, WBEIX has returned 11.79% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


William Blair Emerging Markets Growth Fund

1D
3.36%
1M
8.00%
YTD
38.55%
6M
41.11%
1Y
65.43%
3Y*
25.02%
5Y*
6.26%
10Y*
11.79%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

WBEIX Monthly Returns History

Based on dividend-adjusted daily data since Jun 7, 2005, WBEIX's average daily return is +0.04%, while the average monthly return is +0.93%. At this rate, an investment would double in approximately 6.2 years.

Historically, 59% of months were positive and 41% were negative. The best month was Apr 2026 with a return of +18.9%, while the worst month was Oct 2008 at -32.9%. The longest winning streak lasted 13 consecutive months, and the longest losing streak was 6 months.

On a daily basis, WBEIX closed higher 53% of trading days. The best single day was Oct 13, 2008 with a return of +15.4%, while the worst single day was Oct 15, 2008 at -11.9%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20269.26%5.38%-11.25%18.92%9.32%4.29%38.55%
2025-1.09%-3.31%-0.08%1.06%6.38%6.30%0.36%1.57%7.71%5.34%-3.58%2.81%25.18%
2024-1.38%4.90%0.92%-1.49%3.10%6.26%-2.14%1.33%2.78%-2.78%-2.32%1.44%10.62%
20235.86%-5.36%3.49%-1.91%-0.00%3.53%2.96%-3.75%-3.26%-3.93%9.55%3.76%10.23%
2022-5.80%-5.76%-1.71%-8.39%-1.26%-8.71%0.70%-0.35%-9.08%-2.21%8.73%-4.36%-33.15%
20214.98%-0.61%-3.49%4.58%1.02%3.88%-5.29%3.79%-4.69%1.45%-2.40%0.69%3.23%

Benchmark Metrics

William Blair Emerging Markets Growth Fund has an annualized alpha of 2.56%, beta of 0.80, and R2 of 0.55 versus S&P 500 Index. Calculated based on daily prices since June 07, 2005.

  • This fund generated an annualized alpha of 2.56% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.

Alpha
2.56%
Beta
0.80
0.55
Upside Capture
101.40%
Downside Capture
101.01%

Expense Ratio

WBEIX has a high expense ratio of 1.11%, indicating above-average management fees.


Return for Risk

Risk / Return Rank

WBEIX ranks 88 for risk / return — in the top 88% of mutual funds on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.


WBEIX Risk / Return Rank: 8888
Overall Rank
WBEIX Sharpe Ratio Rank: 9292
Sharpe Ratio Rank
WBEIX Sortino Ratio Rank: 8181
Sortino Ratio Rank
WBEIX Omega Ratio Rank: 8484
Omega Ratio Rank
WBEIX Calmar Ratio Rank: 9292
Calmar Ratio Rank
WBEIX Martin Ratio Rank: 9090
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for William Blair Emerging Markets Growth Fund (WBEIX) and compare them to S&P 500 Index.

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.


WBEIXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

+0.84

Sortino ratioReturn per unit of downside risk

+0.76

Omega ratioGain probability vs. loss probability

1.52

1.37

+0.15

Calmar ratioReturn relative to maximum drawdown

4.68

2.78

+1.90

Martin ratioReturn relative to average drawdown

16.74

12.44

+4.30

Dividends

Dividend History

William Blair Emerging Markets Growth Fund provided a 0.29% dividend yield over the last twelve months, with an annual payout of $0.07 per share.


0.00%5.00%10.00%15.00%20.00%$0.00$0.50$1.00$1.50$2.00$2.50$3.00$3.5020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.07$0.07$0.01$0.06$0.02$3.36$0.77$0.60$1.64$0.15$0.05$0.12

Dividend yield

0.29%0.41%0.10%0.53%0.16%21.21%4.12%4.31%14.57%0.94%0.45%1.11%

Monthly Dividends

The table displays the monthly dividend distributions for William Blair Emerging Markets Growth Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.00$0.00$0.00$0.00$0.00
2025$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.07$0.07
2024$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.01$0.01
2023$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.06$0.06
2022$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.02$0.02
2021$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$3.36$3.36

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the William Blair Emerging Markets Growth Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the William Blair Emerging Markets Growth Fund was 71.18%, occurring on Nov 20, 2008. Recovery took 2215 trading sessions.


Related event

Drawdown

Fall

Recovery

Underwater

Financial crisis2007–2009
-71.18%Nov 2008
1y 20d8y 9mo
9y 10moNov 2007 - Sep 2017
Bear market2022
-43.75%Oct 2022
1y 8mo3y 3mo
4y 11moFeb 2021 - Jan 2026
COVID crash2020
-33.36%Mar 2020
2y 1mo3mo 15d
2y 5moJan 2018 - Jul 2020
2006 bear market2006
-24.96%Jun 2006
1mo 4d4mo 15d
5mo 19dMay 2006 - Oct 2006
2007 correction2007
-17.87%Aug 2007
23d1mo 6d
1mo 29dJul 2007 - Sep 2007

Drawdown Indicators


WBEIXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-71.18%

-56.78%

-14.40%

Max Drawdown (1Y)

Largest decline over 1 year

-14.04%

-9.10%

-4.94%

Max Drawdown (3Y)

Largest decline over 3 years

-19.64%

-18.90%

-0.74%

Max Drawdown (5Y)

Largest decline over 5 years

-40.95%

-25.43%

-15.52%

Max Drawdown (10Y)

Largest decline over 10 years

-43.75%

-33.92%

-9.83%

Current Drawdown

Current decline from peak

0.00%

-1.80%

+1.80%

Average Drawdown

Average peak-to-trough decline

-21.42%

-10.71%

-10.71%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.91%

2.03%

+1.88%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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