Berkshire Hathaway Inc. (BRK-B) Ownership

NYSE: BRK-BTop holders, insider trades and short interest.

BRK-B ownership summary

as of October 18, 2026
Institutions
67.0%
of shares outstanding
Insiders
0.27%
of shares outstanding
Shares outstanding
1.41B
Float
1.23B
shares available to trade
Short interest
0.99%
12.4M shares short
Days to cover
2.67
short interest up 0.2% vs prior month
  • Institutions 66.96%
  • Insiders 0.27%
  • Other investors 32.77%

BRK-B insider transactions

latest 20
Berkshire Hathaway Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-31Tina SmithSell$479.11——
2026-03-30Ro KhannaSell$474.49——
2026-03-25Gilbert Ray Cisneros, Jr.Sell$476.34——
2026-03-23Ro KhannaSell$480.23——
2026-03-16Gilbert Ray Cisneros, Jr.Sell$492.24——
2026-03-16Mark AlfordSell$492.24——
2026-03-13August PflugerBuy$490.18——
2026-02-24Ro KhannaBuy$494.60——
2026-02-17Ro KhannaSell$503.25——
2026-02-06Ro KhannaBuy$508.06——
2026-02-05Ro KhannaBuy$504.17——
2026-01-29Ro KhannaSell$476.21——
2026-01-27Tina SmithSell$474.79——
2026-01-23Ro KhannaSell$479.60——
2026-01-06Ro KhannaSell$499.30——
2025-12-24Gilbert Ray Cisneros, Jr.Sell$500.83——
2025-11-19Robert Bresnahan, Jr.Sell$501.49——
2025-11-18Gilbert Ray Cisneros, Jr.Buy$504.40——
2025-11-12Ro KhannaSell$502.71——
2025-11-05Richard McCormickBuy$489.30——

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

BRK-B shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns BRK-B

Institutional investors own 67.0% of Berkshire Hathaway's shares and insiders 0.27%. Short interest is 0.99% of the float, or 2.67 days of average trading volume. The share count fell 12.5% since 2014.

Related: BRK-B analyst forecast, BRK-B key metrics. See the BRK-B stock overview for the latest quote and news.

BRK-B ownership FAQ

What percentage of Berkshire Hathaway is owned by institutions?

Institutions hold 67.0% of Berkshire Hathaway's shares outstanding; insiders hold 0.27%.

What is Berkshire Hathaway's short interest?

12.4M shares of Berkshire Hathaway were sold short, 0.99% of the float; at the average daily volume it would take 2.67 days to cover.

Are insiders buying or selling Berkshire Hathaway?

Of the latest 20 reported insider transactions in Berkshire Hathaway (since November 5, 2025), 6 were purchases and 14 were sales.

How many shares of Berkshire Hathaway are outstanding?

Berkshire Hathaway has 1.41B shares outstanding, of which 1.23B are in the public float.

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