Skip to content
Disclosery

Bank of Marin: BRK-B position timeline

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

Bank of Marin held 4,342 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,342 shares
    Change vs previous 13F +755 shares

    1.51% of the 13F portfolio, value $2,172,693.

    13F-HR 0001628280-26-056805 filed by Bank of Marin
    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 3,587 shares
    Change vs previous 13F +480 shares

    1.25% of the 13F portfolio, value $1,718,890.

    13F-HR 0001628280-26-034926 filed by Bank of Marin
    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 3,107 shares
    Change vs previous 13F 0 shares

    1.08% of the 13F portfolio, value $1,561,733.

    13F-HR 0001628280-26-008268 filed by Bank of Marin
    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 3,107 shares
    Change vs previous 13F 0 shares

    1.1% of the 13F portfolio, value $1,562,013.

    13F-HR 0001628280-25-049072 filed by Bank of Marin
    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 3,107 shares
    Change vs previous 13F 0 shares

    1.14% of the 13F portfolio, value $1,509,287.

    13F-HR 0001801145-25-000006 filed by Bank of Marin
    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 3,107 shares
    Change vs previous 13F 0 shares

    2.11% of the 13F portfolio, value $1,654,726.

    13F-HR 0001801145-25-000004 filed by Bank of Marin
    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 3,107 shares
    Change vs previous 13F -30 shares

    1.11% of the 13F portfolio, value $1,408,340.

    13F-HR 0001801145-25-000002 filed by Bank of Marin
    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 3,137 shares
    Change vs previous 13F not available

    1.16% of the 13F portfolio, value $1,443,835.

    13F-HR 0001801145-24-000008 filed by Bank of Marin
    Filed (acceptance time not in the bulk data set), ingested

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