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Disclosery

FMR LLC: BRK-B position timeline

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

FMR LLC held 10,400,007 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 10,400,007 shares
    Change vs previous 13F -4,553,691 shares

    0.23% of the 13F portfolio, value $5,204,059,591.

    13F-HR 0000315066-26-002260 filed by FMR LLC
    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 14,953,698 shares
    Change vs previous 13F +5,495,029 shares

    0.38% of the 13F portfolio, value $7,165,811,922.

    13F-HR 0000315066-26-001390 filed by FMR LLC
    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 9,458,669 shares
    Change vs previous 13F +595,829 shares

    0.24% of the 13F portfolio, value $4,754,400,082.

    13F-HR 0000315066-26-000611 filed by FMR LLC
    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 8,862,840 shares
    Change vs previous 13F -109,365 shares

    0.23% of the 13F portfolio, value $4,455,703,490.

    13F-HR 0000315066-25-002929 filed by FMR LLC
    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 8,972,205 shares
    Change vs previous 13F -4,953,804 shares

    0.25% of the 13F portfolio, value $4,358,428,079.

    13F-HR 0000315066-25-002231 filed by FMR LLC
    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 13,926,009 shares
    Change vs previous 13F +4,075,824 shares

    0.47% of the 13F portfolio, value $7,416,713,413.

    13F-HR 0000315066-25-001380 filed by FMR LLC
    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 9,850,185 shares
    Change vs previous 13F -603,757 shares

    0.27% of the 13F portfolio, value $4,464,891,680.

    13F-HR 0000315066-25-000939 filed by FMR LLC
    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 10,453,942 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $4,811,531,852.

    13F-HR 0001385495-24-000014 filed by FMR LLC
    Filed (acceptance time not in the bulk data set), ingested

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