WELNX Performance — William Blair Emerging Markets Leaders Fund, Class N

Data updated: 2026-08-14

WELNX returned +18.21% year to date and +33.50% over one year to Jun 2026. Annualised returns are +16.77% over 3 years and +1.86% over 5 years. The fund trailed its Emerging Markets Equity category average: $100 invested three years ago grew to $159, against $179 for the category, and to $134 over one year, against $141. Volatility over the past three years was 16.01% a year. In the 12 months to Jun 2026 the fund lost a net $85.3M, and assets reached $104.81M.

WELNX Growth of $100

What $100 invested in William Blair Emerging Markets Leaders Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Emerging Markets Equity category average over the same months.

PeriodWELNXCategory average
1 year (Jul 2025 – Jun 2026)$134$141
3 years (Jul 2023 – Jun 2026)$159$179
5 years (Jul 2021 – Jun 2026)$110$144
Since data start (Jul 2019 – Jun 2026)$159$195

WELNX Trailing Returns

Total returns to Jun 2026, from SEC N-PORT.

PeriodTotal return
YTD+18.21%
1 year+33.50%
3 years (annualised)+16.77%
5 years (annualised)+1.86%

WELNX Annual Returns

Calendar-year total returns of William Blair Emerging Markets Leaders Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+18.21%
2025+26.05%
2024+5.68%
2023+5.86%
2022−26.11%
2021−7.69%
2020+27.24%
2019 (Jul–Dec)+9.67%

WELNX Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+6.7%+3.7%−11.8%+10.8%+7.6%+1.6%——————
2025+1.3%−1.8%+0.8%+1.2%+5.2%+4.6%+0.2%+2.7%+7.5%+4.6%−4.0%+1.7%
2024−4.1%+4.3%+0.8%−1.8%+1.8%+3.6%−0.8%+2.9%+5.2%−3.3%−2.3%−0.3%
2023+7.8%−6.3%+2.7%−2.4%−0.8%+4.2%+2.1%−5.3%−3.8%−4.5%+10.0%+3.5%
2022−4.2%−5.5%+0.3%−9.2%−1.5%−5.7%−0.2%+0.7%−9.2%−0.8%+10.6%−3.5%
2021+3.5%+0.8%−4.0%+1.2%+2.0%+0.3%−7.8%+3.5%−4.3%+1.1%−6.1%+2.7%
2020−2.6%−4.3%−18.9%+11.3%+3.7%+9.4%+13.2%+2.6%−1.6%+1.8%+6.3%+7.7%
2019——————−0.9%−1.6%+1.9%+4.2%+0.1%+5.8%

WELNX Risk

Risk measures from monthly returns over Jul 2023 – Jun 2026.

  • 3-year volatility (annualised): 16.01%
  • 3-year Sharpe ratio: 0.77 (vs 4.5% risk-free rate)
  • Best month: +10.84% (Apr 2026)
  • Worst month: −11.76% (Mar 2026)

WELNX Fund Flows

Monthly money in and out of William Blair Emerging Markets Leaders Fund, from SEC Form N-PORT.

  • 12-month net flow: −$85.3M
  • 12-month gross sales (incl. reinvestments): $28.5M
  • Sales ÷ redemptions: 0.25×
MonthSalesRedemptionsNet flow
Jun 2026$5.3M$6.0M−$662K
May 2026$4.7M$3.7M$992K
Apr 2026$2.3M$10.5M−$8.3M
Mar 2026$676K$807K−$132K
Feb 2026$1.4M$1.8M−$321K
Jan 2026$2.2M$1.8M$430K
Dec 2025$2.2M$778K$1.5M
Nov 2025$1.0M$4.1M−$3.1M
Oct 2025$5.6M$16.9M−$11.4M
Sep 2025$163K$60.8M−$60.7M
Aug 2025$1.9M$5.0M−$3.1M
Jul 2025$934K$1.5M−$527K

WELNX Assets Under Management

Net assets of William Blair Emerging Markets Leaders Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$104.81M
2026-03-31$93.46M
2025-12-31$95.77M
2025-09-30$107.49M
2025-06-30$159.79M
2025-03-31$162.15M
2024-12-31$164.71M
2024-09-30$193.20M
2024-06-30$228.69M
2024-03-31$253.47M
2023-12-31$253.54M
2023-09-30$242.85M

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.