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BRK/B

Berkshire Hathaway Inc-cl B

24 tracked reported owners · snapshot updated 2026-10-04. Delayed disclosures, not live holdings or an investment recommendation.

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Who reports owning BRK/B?

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Berkshire Hathaway owns businesses that sell insurance and reinsurance, rail transportation, utility and energy services, manufactured products and retail goods, alongside other services.

Question to investigate: Are Berkshire Hathaway’s operating businesses becoming more productive, apart from investment-price and foreign-exchange movements in reported earnings?

Company research reviewed 2026-10-02; a dated source-linked starting point, not the investors’ stated reasons.

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Filing dates and original SEC sources

A material reported change · Q2 2026

Francois Rochon reduced reported BRK/B shares by 34.4%.

Holdings as of Jun 30, 2026 · filed Aug 26, 2026. Position at period end: 4.2% of the reported portfolio. The filing does not reveal the trade date, price, or reason.

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Reported position changes

Net disclosed share changes—not individual trades or execution dates. NEW has no prior-position percentage comparison; EXIT weight refers to the previous report.

Explore earlier changes and contrasting evidence

Selected historical records. Retrospective outcomes do not establish predictive skill.

Compare the reported increases and reductions →

  1. Q2 2026

    filed Aug 26, 2026

    57d lag

    TRIM-34.4%

    Francois Rochon · 6.6% of reported portfolio

    Original SEC filing ↗

    -0.3% vs SPY

    26 sessions after disclosure

    direction supported so far

  2. Q2 2026

    filed Aug 14, 2026

    45d lag

    ADD+23.5%

    Li Lu · 15.0% of reported portfolio

    Original SEC filing ↗

    +1.0% vs SPY

    34 sessions after disclosure

    direction supported so far

  3. Q2 2026

    filed Aug 14, 2026

    45d lag

    ADD+74.1%

    Bruce Berkowitz · 3.0% of reported portfolio

    Original SEC filing ↗

    +1.0% vs SPY

    34 sessions after disclosure

    direction supported so far

  4. Q2 2026

    filed Aug 11, 2026

    42d lag

    ADD+268.8%

    Yacktman Asset Management · 7.2% of reported portfolio

    Original SEC filing ↗

    -1.3% vs SPY

    37 sessions after disclosure

    direction not supported so far

  5. Q2 2026

    filed Jul 7, 2026

    7d lag

    EXITEXIT

    Robert Olstein · 1.2% of reported portfolio

    Original SEC filing ↗

    -1.9% vs SPY

    62 sessions after disclosure

    direction supported so far

  6. Q1 2026

    filed May 19, 2026

    49d lag

    ADD+27.5%

    Duan Yongping · 21.9% of reported portfolio

    Original SEC filing ↗

    -0.1% vs SPY

    63 sessions after disclosure

    direction not supported so far

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Long US 13F disclosures omit shorts and can be amended. CUSIP 084670702. No current price, valuation or manager motive is inferred.