- Business
- William Blair International Leaders Fund R6 Class Shares (WILJX) is an open-end mutual fund that seeks long-term capital appreciation by investing primarily in a high-conviction, diversified portfolio of 40 to 70 equity securities issued by leading non-U.S. companies demonstrating consistent value creation, competitive dominance, and sustainability of critical inputs; the fund targets companies with above-average returns on equity, strong balance sheets, and consistent earnings growth across market capitalizations, regions, industries, and corporate lifecycles, benchmarked against the MSCI All Country World ex-U.S. IMI Index (net). Core offerings include exposure to information technology (approximately 23-25%), industrials (18-19%), financials (19-22%), consumer discretionary, health care, and communication services sectors; top holdings as of late 2025 typically feature Taiwan Semiconductor Manufacturing Company Limited, SK hynix Inc., Hon Hai Precision Industry Co., Ltd., Tencent Holdings Limited, and Fujikura Ltd., with geographic allocations emphasizing Europe ex-U.K. (32-34%), Asia (28-31%), Japan (10-12%), United Kingdom (9-11%), and emerging markets (33-37%).
The fund, part of the William Blair Funds family managed by William Blair Investment Management, LLC, an independent employee-owned firm founded in 1935 and headquartered in Chicago, Illinois, operates with a net expense ratio of 0.85%, total net assets exceeding $1.1 billion, and approximately 56-58 holdings as of November 2025; it is available to eligible institutional investors with a minimum initial investment of $1 million, distributed by William Blair & Company, L.L.C., and available for sale in the United States.
Portfolio managers Kenneth McAtamney (since 2005), Simon Fennell (since 2011), and Alaina Anderson (since 2006) employ a disciplined approach combining deep fundamental research with systematic inputs; the R6 share class, launched November 2, 2012, maintains high portfolio turnover around 100% and focuses on developed and emerging markets outside the U.S., excluding direct energy and consumer staples exposure in recent allocations.
Recent developments include a contractual expense limitation agreement by the adviser to cap operating expenses until April 30, 2026, supporting the fund's net expense ratio amid ongoing portfolio adjustments; as of October-November 2025, the fund reflects strategic shifts toward greater emphasis on semiconductors and industrials amid global market rotations, with weighted average market cap around $153-168 billion and long-term EPS growth projections of 17.5-18.9%; no major acquisitions, partnerships, or structural reorganizations specific to WILJX were reported in the last 1-2 years, though the broader William Blair platform continues to evolve its international strategies.