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ACR Alpine Capital Research, LLC: BRK-A position timeline

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

ACR Alpine Capital Research, LLC held 85 BRK-A shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 85 shares
    Change vs previous 13F 0 shares

    0.9% of the 13F portfolio, value $63,652,250.

    13F-HR 0001508822-26-000005 filed by ACR Alpine Capital Research, 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 85 shares
    Change vs previous 13F 0 shares

    0.91% of the 13F portfolio, value $61,041,900.

    13F-HR 0001508822-26-000004 filed by ACR Alpine Capital Research, 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 85 shares
    Change vs previous 13F 0 shares

    1% of the 13F portfolio, value $64,158,000.

    13F-HR 0001508822-26-000002 filed by ACR Alpine Capital Research, 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 85 shares
    Change vs previous 13F 0 shares

    1.1% of the 13F portfolio, value $64,107,000.

    13F-HR 0001508822-25-000007 filed by ACR Alpine Capital Research, 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 85 shares
    Change vs previous 13F 0 shares

    1.11% of the 13F portfolio, value $61,948,000.

    13F-HR 0001085146-25-004431 filed by ACR Alpine Capital Research, 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 85 shares
    Change vs previous 13F -63 shares

    1.42% of the 13F portfolio, value $67,867,536.

    13F-HR 0001085146-25-002641 filed by ACR Alpine Capital Research, 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 148 shares
    Change vs previous 13F not available

    2.18% of the 13F portfolio, value $100,776,160.

    13F-HR 0001085146-25-000833 filed by ACR Alpine Capital Research, LLC
    Filed (acceptance time not in the bulk data set), ingested

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