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Warburton Capital Management, LLC: BRK-A position timeline

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

Warburton Capital Management, LLC held 1 BRK-A shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

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

    0.3% of the 13F portfolio, value $748,000.

    13F-HR 0002054795-26-000003 filed by Warburton 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 1 shares
    Change vs previous 13F 0 shares

    0.35% of the 13F portfolio, value $727,000.

    13F-HR 0002054795-26-000002 filed by Warburton 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 1 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $754,000.

    13F-HR 0002054795-26-000001 filed by Warburton 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 1 shares
    Change vs previous 13F 0 shares

    0.45% of the 13F portfolio, value $745,000.

    13F-HR 0002054795-25-000002 filed by Warburton 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 1 shares
    Change vs previous 13F 0 shares

    0.42% of the 13F portfolio, value $713,000.

    13F-HR 0001908380-25-000009 filed by Warburton 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 1 shares
    Change vs previous 13F not available

    0.58% of the 13F portfolio, value $798,000.

    13F-HR 0001842974-25-000010 filed by Warburton Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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