BFOCX
Berkshire Focus Fund
BERKSHIRE 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 33.90%
Services-Prepackaged Software 12.02%
Communications Equipment, NEC 8.10%
Optical Instruments & Lenses 6.56%
Services-Computer Programming, Data Processing, Etc. 6.08%
Electronic & Other Electrical Equipment (No Computer Equip) 5.99%
Electronic Components, NEC 4.90%
Electrical Industrial Apparatus 4.00%
Computer Storage Devices 0.01%
Drawing & Insulating of Nonferrous Wire 4.20%
Communications Services, NEC 3.89%
Instruments For Meas & Testing of Electricity & Elec Signals 3.00%
Services-Business Services, NEC 0.01%
Special Industry Machinery, NEC 2.93%
Unclassified 4.40%

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.