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Disclosery

Asset Management Group, Inc.: BRK-B position timeline

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

Asset Management Group, Inc. held 6,583 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,583 shares
    Change vs previous 13F -232 shares

    0.48% of the 13F portfolio, value $3,294,043.

    13F-HR 0001398344-26-014545 filed by Asset Management Group, Inc.
    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 6,815 shares
    Change vs previous 13F -102 shares

    0.53% of the 13F portfolio, value $3,265,724.

    13F-HR 0001398344-26-009217 filed by Asset Management Group, Inc.
    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 6,917 shares
    Change vs previous 13F -173 shares

    0.56% of the 13F portfolio, value $3,476,805.

    13F-HR 0001398344-26-003205 filed by Asset Management Group, Inc.
    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 7,090 shares
    Change vs previous 13F -95 shares

    0.58% of the 13F portfolio, value $3,564,401.

    13F-HR 0001398344-25-020902 filed by Asset Management Group, Inc.
    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 7,185 shares
    Change vs previous 13F +64 shares

    0.61% of the 13F portfolio, value $3,490,418.

    13F-HR 0001398344-25-015007 filed by Asset Management Group, Inc.
    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 7,121 shares
    Change vs previous 13F 0 shares

    0.7% of the 13F portfolio, value $3,792,476.

    13F-HR 0001398344-25-009344 filed by Asset Management Group, Inc.
    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 7,121 shares
    Change vs previous 13F +135 shares

    0.57% of the 13F portfolio, value $3,227,784.

    13F-HR 0001398344-25-002772 filed by Asset Management Group, Inc.
    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 6,986 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $3,215,353.

    13F-HR 0001398344-24-020430 filed by Asset Management Group, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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