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Hanson & Doremus Investment Management: BRK-B position timeline

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

Hanson & Doremus Investment Management held 19,319 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 19,319 shares
    Change vs previous 13F -253 shares

    0.98% of the 13F portfolio, value $9,667,000.

    13F-HR 0001393944-26-000003 filed by Hanson & Doremus Investment Management
    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 19,572 shares
    Change vs previous 13F +1,979 shares

    1.08% of the 13F portfolio, value $9,379,000.

    13F-HR 0001393944-26-000002 filed by Hanson & Doremus Investment Management
    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 17,593 shares
    Change vs previous 13F -152 shares

    1.06% of the 13F portfolio, value $8,843,000.

    13F-HR 0001393944-26-000001 filed by Hanson & Doremus Investment Management
    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 17,745 shares
    Change vs previous 13F -420 shares

    1.12% of the 13F portfolio, value $8,921,000.

    13F-HR 0001393944-25-000008 filed by Hanson & Doremus Investment Management
    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 18,165 shares
    Change vs previous 13F not available

    1.18% of the 13F portfolio, value $8,824,000.

    13F-HR 0001393944-25-000003 filed by Hanson & Doremus Investment Management
    Filed (acceptance time not in the bulk data set), ingested

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