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Founders Capital Management: BRK-B position timeline

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

Founders Capital Management held 1,348 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 1,348 shares
    Change vs previous 13F 0 shares

    0.3% of the 13F portfolio, value $671,237.

    13F-HR 0001704300-26-000004 filed by Founders Capital Management
    Accepted , ingested

  2. period ended2026-06-30
    13F 1,348 shares
    Change vs previous 13F +550 shares

    0.29% of the 13F portfolio, value $674,526.

    13F-HR 0001704300-26-000003 filed by Founders Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 798 shares
    Change vs previous 13F 0 shares

    0.19% of the 13F portfolio, value $382,402.

    13F-HR 0001704300-26-000002 filed by Founders Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 798 shares
    Change vs previous 13F +103 shares

    0.21% of the 13F portfolio, value $401,115.

    13F-HR 0001704300-26-000001 filed by Founders Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 695 shares
    Change vs previous 13F +50 shares

    0.19% of the 13F portfolio, value $349,404.

    13F-HR 0001704300-25-000006 filed by Founders Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 645 shares
    Change vs previous 13F 0 shares

    0.19% of the 13F portfolio, value $313,322.

    13F-HR 0001704300-25-000003 filed by Founders Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 645 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $343,514.

    13F-HR 0001704300-25-000002 filed by Founders Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 645 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $292,366.

    13F-HR 0001704300-25-000001 filed by Founders Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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