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Disclosery

MYECFO, LLC: BRK-B position timeline

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

MYECFO, LLC held 1,066 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,066 shares
    Change vs previous 13F -29 shares

    0.2% of the 13F portfolio, value $533,416.

    13F-HR 0001941040-26-000549 filed by MYECFO, 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 1,095 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $524,724.

    13F-HR 0001941040-26-000210 filed by MYECFO, 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 1,095 shares
    Change vs previous 13F -21 shares

    0.23% of the 13F portfolio, value $550,402.

    13F-HR 0001941040-26-000015 filed by MYECFO, 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 1,116 shares
    Change vs previous 13F -10 shares

    0.26% of the 13F portfolio, value $561,058.

    13F-HR 0001941040-25-000543 filed by MYECFO, 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 1,126 shares
    Change vs previous 13F -14 shares

    0.27% of the 13F portfolio, value $546,977.

    13F-HR 0001941040-25-000348 filed by MYECFO, 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 1,140 shares
    Change vs previous 13F 0 shares

    0.32% of the 13F portfolio, value $607,141.

    13F-HR 0001941040-25-000190 filed by MYECFO, 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 1,140 shares
    Change vs previous 13F 0 shares

    0.28% of the 13F portfolio, value $516,739.

    13F-HR 0001941040-25-000016 filed by MYECFO, 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 1,140 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $524,696.

    13F-HR 0001941040-24-000422 filed by MYECFO, LLC
    Filed (acceptance time not in the bulk data set), ingested

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