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Disclosery

BROWN BROTHERS HARRIMAN & CO: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BROWN BROTHERS HARRIMAN & CO on BRK-B, newest first. How the timeline and the estimate are built.

BROWN BROTHERS HARRIMAN & CO held 1,144,496 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,144,496 shares
    Change vs previous 13F +5,909 shares

    2.51% of the 13F portfolio, value $572,694,353.

    13F-HR 0001104659-26-094581 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 1,138,587 shares
    Change vs previous 13F +14,602 shares

    2.93% of the 13F portfolio, value $545,610,890.

    13F-HR 0001104659-26-060871 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 1,123,985 shares
    Change vs previous 13F -69,468 shares

    3.08% of the 13F portfolio, value $564,971,060.

    13F-HR 0001104659-26-014005 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 1,193,453 shares
    Change vs previous 13F -39,985 shares

    3.65% of the 13F portfolio, value $599,996,561.

    13F-HR 0001104659-25-111114 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 1,233,438 shares
    Change vs previous 13F -40,796 shares

    3.85% of the 13F portfolio, value $599,167,177.

    13F-HR 0001104659-25-076057 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 1,274,234 shares
    Change vs previous 13F -84,431 shares

    4.74% of the 13F portfolio, value $678,631,544.

    13F-HR 0001104659-25-048255 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 1,358,665 shares
    Change vs previous 13F -143,173 shares

    4.32% of the 13F portfolio, value $615,855,671.

    13F-HR 0001104659-25-011961 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 1,501,838 shares
    Change vs previous 13F not available

    4.7% of the 13F portfolio, value $691,235,958.

    13F-HR 0001104659-24-117355 filed by BROWN BROTHERS HARRIMAN & CO
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).