WILJX — William Blair International Leaders Fund

Data updated: 2026-05-28

WILJX — William Blair International Leaders Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Developed ex-US Materials Equity · $1.06B AUM · 0.97% expense ratio · 21.6% 1-yr return. From SEC regulatory filings.

WILJX Fund Overview

WILJX — William Blair International Leaders Fund is a US mutual fund managed by William Blair Funds, categorised as Developed ex-US Materials Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

  • Type: US mutual fund
  • Manager: William Blair Funds
  • Category: Developed ex-US Materials Equity
  • Assets under management: $1.06B
  • 1-year return: 21.6%
  • Ticker: WILJX
  • SEC CIK: 0000822632
  • SEC series ID: S000037763
  • Share class ID: C000116470

WILJX Holdings

Top 10 holdings of William Blair International Leaders Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
Taiwan Semiconductor Manufacturing Co Ltd5.14%
Samsung Electronics Co Ltd4.73%
SK hynix Inc4.59%
Fujikura Ltd2.98%
AstraZeneca PLC2.82%
ASML Holding NV2.72%
Hon Hai Precision Industry Co Ltd2.65%
Sumitomo Mitsui Financial Group Inc2.61%
Tencent Holdings Ltd2.60%
Iberdrola SA2.51%

View all WILJX holdings

WILJX Portfolio Allocation

Asset-class allocation of William Blair International Leaders Fund by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Equity99.4%
Cash & Equivalents0.4%

WILJX Performance

Total returns for WILJX (as of 2026-08-01), from SEC filings.

PeriodTotal return
YTD-0.2%
1 year21.6%
3 years (annualised)8.5%
5 years (annualised)2.1%

WILJX Risk Information

Risk metrics for WILJX, derived from monthly returns in SEC filings.

  • 1-year volatility (annualised): 17.2%

WILJX Costs and Fees

WILJX costs about $97 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 0.97%
  • Gross expense ratio: 0.91%
  • Portfolio turnover: 91%
  • Brokerage commissions: 9.86 bps of average net assets (SEC N-CEN)

WILJX Cashflows

Over the 12 months to 2026-03, William Blair International Leaders Fund had net outflows of $188.51M, from monthly SEC N-PORT filings.

MonthNet flow
2026-03$1.01M
2026-02−$39.94M
2026-01−$9.01M
2025-12$34.42M
2025-11−$7.59M
2025-10−$32.37M

WILJX Debt Constituents

No individual debt constituents are reported in William Blair International Leaders Fund's latest SEC N-PORT filing.

WILJX Prospectus and SEC Filings

Official William Blair International Leaders Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other Developed ex-US Materials Equity funds tracked on ABC INVEST:

Data Sources

ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.