FundWatcher
BGFIX
William Blair Growth Fund
WILLIAM BLAIR FUNDS

Allocation breakdown

As of March 31, 2026 · N-PORT

By asset class

By country

By sector

By industry (SIC code)

As of March 31, 2026 · N-PORT

How we map holdings to the sectors above: each holding's issuer carries a U.S. SIC industry code in its EDGAR filer record, and each SIC code rolls up to a sector. Expand a sector to see its industries, and click a SIC code to list this fund's positions in that industry. Bonds and foreign or private issuers with no SEC filer record fall into Unclassified.

Semiconductors & Related Devices 21.49%
Services-Prepackaged Software 16.44%
Services-Computer Programming, Data Processing, Etc. 8.87%
Electronic Computers 6.87%
Radio & Tv Broadcasting & Communications Equipment 2.25%
Laboratory Analytical Instruments 2.14%
Services-Computer Integrated Systems Design 0.39%
Services-Business Services, NEC 5.31%
Retail-Catalog & Mail-Order Houses 4.74%
Retail-Variety Stores 1.70%
Retail-Family Clothing Stores 1.23%
Retail-Auto Dealers & Gasoline Stations 1.17%
Services-Consumer Credit Reporting, Collection Agencies 1.05%
Services-Miscellaneous Amusement & Recreation 1.00%
Retail-Eating Places 0.99%
Surgical & Medical Instruments & Apparatus 2.10%
Pharmaceutical Preparations 1.10%
In Vitro & In Vivo Diagnostic Substances 1.10%
Biological Products, (No Diagnostic Substances) 0.88%
Services-Health Services 0.43%
Investment Advice 2.94%
Hospital & Medical Service Plans 1.94%
Miscellaneous Metal Ores 2.22%
Rolling Drawing & Extruding of Nonferrous Metals 0.88%
Paper Mills 0.57%
General Industrial Machinery & Equipment, NEC 0.89%
Metalworkg Machinery & Equipment 0.71%
Miscellaneous Transportation Equipment 0.71%
Industrial & Commercial Fans & Blowers & Air Purifing Equip 0.60%
Industrial Trucks, Tractors, Trailors & Stackers 0.51%
Food and Kindred Products 0.84%
Beverages 0.82%
— Unclassified 5.12%

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