NYSE · Financial Services · Ownership

Berkshire Hathaway (Class B) (BRK-B) Ownership Data

Institutional ownership and insider filings.

Last confirmed price: $528.86+0.48%; Oct 15, 2026, 12:43 PM EDT · Prices may be delayed
Market cap · calculated: $1.13T; Oct 15, 2026 · Valuation and sources

Data dates

Prices as of Oct 15, 12:43 PM EDT · Fundamentals checked Oct 15, 12:43 PM EDT · Statement period ended Jun 30, 2026

Ownership data is unavailable

Ownership records could not be loaded. This does not mean there are no institutional holders or insider transactions. Please try again later.

All data sources

Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.

What this page answers

Check who owns the float and whether insiders are active.

Explore Institutional concentration, insider transaction pattern, and float context.

Keep in mind Filings are delayed or transactions are administrative rather than economic.

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Next open: 2026-10-16 · 9:30 AM America/New_York

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