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Disclosery

Griffith & Werner, Inc.: BRK-B position timeline

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

Griffith & Werner, Inc. held 0 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -947 shares

    13F-HR 0001754960-26-000667 filed by Griffith & Werner, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-03-31
    13F 947 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $453,802.

    13F-HR 0001754960-26-000347 filed by Griffith & Werner, 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 947 shares
    Change vs previous 13F 0 shares

    0.24% of the 13F portfolio, value $476,010.

    13F-HR 0001754960-26-000181 filed by Griffith & Werner, 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 947 shares
    Change vs previous 13F +9 shares

    0.24% of the 13F portfolio, value $470,640.

    13F-HR 0001754960-25-000769 filed by Griffith & Werner, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 938 shares
    Change vs previous 13F -7 shares

    0.31% of the 13F portfolio, value $499,560.

    13F-HR 0001754960-25-000182 filed by Griffith & Werner, Inc.
    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 945 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $428,350.

    13F-HR 0001754960-25-000151 filed by Griffith & Werner, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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