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Sandbox Financial Partners, LLC: BRK-B position timeline

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

Sandbox Financial Partners, LLC held 3,900 BRK-B shares at 2026-03-31 per its 13F-HR filed 2026-04-08.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 3,900 shares
    Change vs previous 13F -52 shares

    0.53% of the 13F portfolio, value $1,868,783.

    13F-HR 0001951757-26-000530 filed by Sandbox Financial Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-12-31
    13F 3,952 shares
    Change vs previous 13F -111 shares

    0.55% of the 13F portfolio, value $1,986,426.

    13F-HR 0001951757-26-000028 filed by Sandbox Financial Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 4,063 shares
    Change vs previous 13F -51 shares

    0.58% of the 13F portfolio, value $2,042,795.

    13F-HR 0001951757-25-001157 filed by Sandbox Financial Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 4,114 shares
    Change vs previous 13F -28 shares

    0.63% of the 13F portfolio, value $1,998,216.

    13F-HR 0001951757-25-000593 filed by Sandbox Financial Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 4,142 shares
    Change vs previous 13F -325 shares

    0.78% of the 13F portfolio, value $2,205,857.

    13F-HR 0001951757-25-000323 filed by Sandbox Financial Partners, 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 4,467 shares
    Change vs previous 13F +391 shares

    0.68% of the 13F portfolio, value $2,024,838.

    13F-HR 0001951757-25-000044 filed by Sandbox Financial Partners, 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 4,076 shares
    Change vs previous 13F +42 shares

    0.66% of the 13F portfolio, value $1,875,962.

    13F-HR 0001951757-24-000975 filed by Sandbox Financial Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-06-30
    13F 4,034 shares
    Change vs previous 13F not available

    0.63% of the 13F portfolio, value $1,640,854.

    13F-HR 0001951757-24-000507 filed by Sandbox Financial Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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