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Arrowroot Family Office, LLC: BRK-B position timeline

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

Arrowroot Family Office, LLC held 11,834 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 11,834 shares
    Change vs previous 13F +830 shares

    1.7% of the 13F portfolio, value $5,921,615.

    13F-HR 0001420506-26-001441 filed by Arrowroot Family Office, 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/A 11,004 shares
    Change vs previous 13F +1,615 shares

    1.74% of the 13F portfolio, value $5,273,117.

    13F-HR/A 0001420506-26-001082 filed by Arrowroot Family Office, 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 9,389 shares
    Change vs previous 13F +774 shares

    1.72% of the 13F portfolio, value $4,719,381.

    13F-HR 0001420506-26-000271 filed by Arrowroot Family Office, 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 8,615 shares
    Change vs previous 13F +2,645 shares

    1.73% of the 13F portfolio, value $4,331,105.

    13F-HR 0002017744-25-000003 filed by Arrowroot Family Office, 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 5,970 shares
    Change vs previous 13F -613 shares

    1.3% of the 13F portfolio, value $2,900,047.

    13F-HR 0001420506-25-001708 filed by Arrowroot Family Office, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 6,583 shares
    Change vs previous 13F +1,545 shares

    1.55% of the 13F portfolio, value $2,983,942.

    13F-HR 0001420506-25-000507 filed by Arrowroot Family Office, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 5,038 shares
    Change vs previous 13F not available

    1.35% of the 13F portfolio, value $2,318,790.

    13F-HR 0001420506-24-002507 filed by Arrowroot Family Office, LLC
    Filed (acceptance time not in the bulk data set), ingested

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