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ACR Alpine Capital Research, LLC: BRK-B 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-B, newest first. How the timeline and the estimate are built.

ACR Alpine Capital Research, LLC held 243,736 BRK-B 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 243,736 shares
    Change vs previous 13F +19,075 shares

    1.73% of the 13F portfolio, value $121,963,169.

    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 224,661 shares
    Change vs previous 13F -327 shares

    1.61% of the 13F portfolio, value $107,657,630.

    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 224,988 shares
    Change vs previous 13F -1,061 shares

    1.76% of the 13F portfolio, value $113,090,301.

    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 226,049 shares
    Change vs previous 13F -272 shares

    1.94% of the 13F portfolio, value $113,643,651.

    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 226,321 shares
    Change vs previous 13F -2,966 shares

    1.97% of the 13F portfolio, value $109,940,147.

    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 229,287 shares
    Change vs previous 13F -228,221 shares

    2.55% of the 13F portfolio, value $122,113,884.

    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 457,508 shares
    Change vs previous 13F -9,678 shares

    4.49% of the 13F portfolio, value $207,379,408.

    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).

  8. period ended2024-09-30
    13F 467,186 shares
    Change vs previous 13F not available

    6.35% of the 13F portfolio, value $215,026,983.

    13F-HR 0001085146-24-005331 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).