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M3 Advisory Group, LLC: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of M3 Advisory Group, LLC on BRK-B, newest first. How the timeline and the estimate are built.

M3 Advisory Group, LLC held 1,354 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,354 shares
    Change vs previous 13F +28 shares

    0.35% of the 13F portfolio, value $677,594.

    13F-HR 0001951757-26-001045 filed by M3 Advisory Group, 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 1,326 shares
    Change vs previous 13F +58 shares

    0.39% of the 13F portfolio, value $635,482.

    13F-HR 0001951757-26-000697 filed by M3 Advisory Group, 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 1,268 shares
    Change vs previous 13F -17 shares

    0.39% of the 13F portfolio, value $637,426.

    13F-HR 0001951757-26-000209 filed by M3 Advisory Group, 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 1,285 shares
    Change vs previous 13F +159 shares

    0.4% of the 13F portfolio, value $646,087.

    13F-HR 0001951757-25-001363 filed by M3 Advisory Group, 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 -67 shares

    0.38% of the 13F portfolio, value $547,041.

    13F-HR 0001951757-25-000967 filed by M3 Advisory Group, 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 1,193 shares
    Change vs previous 13F -205 shares

    0.5% of the 13F portfolio, value $635,507.

    13F-HR 0001951757-25-000419 filed by M3 Advisory Group, 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 1,398 shares
    Change vs previous 13F +23 shares

    0.45% of the 13F portfolio, value $633,804.

    13F-HR 0001951757-25-000083 filed by M3 Advisory Group, 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 1,375 shares
    Change vs previous 13F not available

    0.46% of the 13F portfolio, value $632,897.

    13F-HR 0001951757-24-001062 filed by M3 Advisory Group, LLC
    Filed (acceptance time not in the bulk data set), ingested

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