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Cook & Bynum Capital Management, LLC: BRK-B position timeline

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

Cook & Bynum Capital Management, LLC held 110,671 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 110,671 shares
    Change vs previous 13F 0 shares

    41.17% of the 13F portfolio, value $55,378,662.

    13F-HR 0001999371-26-018035 filed by Cook & Bynum Capital Management, 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 110,671 shares
    Change vs previous 13F 0 shares

    42.7% of the 13F portfolio, value $53,033,543.

    13F-HR 0001999371-26-010909 filed by Cook & Bynum Capital Management, 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 110,671 shares
    Change vs previous 13F -3,712 shares

    46.49% of the 13F portfolio, value $55,628,778.

    13F-HR 0001999371-26-003467 filed by Cook & Bynum Capital Management, 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 114,383 shares
    Change vs previous 13F 0 shares

    45.94% of the 13F portfolio, value $57,504,909.

    13F-HR 0001999371-25-017884 filed by Cook & Bynum Capital Management, 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 114,383 shares
    Change vs previous 13F -577 shares

    43.92% of the 13F portfolio, value $55,563,830.

    13F-HR 0001999371-25-011352 filed by Cook & Bynum Capital Management, 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 114,960 shares
    Change vs previous 13F 0 shares

    47.78% of the 13F portfolio, value $61,225,397.

    13F-HR 0001999371-25-006199 filed by Cook & Bynum Capital Management, 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 114,960 shares
    Change vs previous 13F 0 shares

    46.06% of the 13F portfolio, value $52,109,069.

    13F-HR 0001839882-25-009050 filed by Cook & Bynum Capital Management, 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 114,960 shares
    Change vs previous 13F not available

    38.16% of the 13F portfolio, value $52,911,490.

    13F-HR 0001839882-24-039028 filed by Cook & Bynum Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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