Morningstar

William Blair International Growth Fund Class I BIGIX

Morningstar Medalist Rating
Medalist Rating as of | See William Blair Investment Hub
  • NAV / 1-Day Return 29.93  /  +0.67 %
  • Total Assets 1.0B
  • Adj. Expense Ratio
    0.900%
  • Expense Ratio 0.930%
  • Distribution Fee Level Above Average
  • Share Class Type Institutional
  • Category Foreign Large Growth
  • Investment Style Large Growth
  • Min. Initial Investment 500,000
  • Status Open
  • TTM Yield 1.20%
  • Turnover 77%

USD | NAV as of Oct 03, 2026 | 1-Day Return as of Oct 03, 2026, 12:11 AM GMT+0

Morningstar’s Analysis BIGIX

Will BIGIX outperform in the future?

Get our overall rating based on a fundamental assessment of the pillars below.

  • Process Pillar

    The Process Pillar is our assessment of how sensible, clearly defined, and repeatable BIGIX’s performance objective and investment process is for both security selection and portfolio construction.

  • People Pillar

    The People Pillar is our evaluation of the BIGIX management team’s experience and ability. We find that high-quality management teams deliver superior performance relative to their benchmarks and/or peers.

  • Parent Pillar

    The Parent Pillar is our rating of BIGIX’s parent organization’s priorities and whether they’re in line with investors’ interests.

null Morningstar Automated Analysis

Morningstar Automated Analysis

Summary

William Blair International Growth I holds a quantitatively derived Neutral Morningstar Medalist Rating. The rating suggests the model does not express a clear expectation of outperformance or underperformance relative to peers over a full market cycle.

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Portfolio Holdings BIGIX

More BIGIX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 19.6
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

Taiwan Semiconductor Manufacturing Co Ltd ADR

4.75 53M
Technology

ASML Holding NV

2.54 28M
Technology

Samsung Electronics Co Ltd

2.42 27M
Technology

SK hynix Inc

1.74 19M
Technology

Sumitomo Mitsui Financial Group Inc

1.54 17M
Financial Services

Roche Holding AG

1.39 15M
—

Safran SA

1.33 15M
Industrials

Tokio Marine Holdings Inc

1.31 15M
Financial Services

UniCredit SpA

1.31 15M
Financial Services

Banco Bilbao Vizcaya Argentaria SA

1.27 14M
Financial Services

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