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Sippican Capital Advisors: BF-B position timeline

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

Sippican Capital Advisors held 16,895 BF-B shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 16,895 shares
    Change vs previous 13F +150 shares

    0.27% of the 13F portfolio, value $450,252.

    13F-HR 0001398344-26-012476 filed by Sippican Capital Advisors
    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 16,745 shares
    Change vs previous 13F +550 shares

    0.3% of the 13F portfolio, value $442,738.

    13F-HR 0001398344-26-007005 filed by Sippican Capital Advisors
    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 16,195 shares
    Change vs previous 13F +500 shares

    0.27% of the 13F portfolio, value $422,042.

    13F-HR 0001398344-26-001091 filed by Sippican Capital Advisors
    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 15,695 shares
    Change vs previous 13F +276 shares

    0.28% of the 13F portfolio, value $425,021.

    13F-HR 0001398344-25-019813 filed by Sippican Capital Advisors
    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 15,419 shares
    Change vs previous 13F +150 shares

    0.3% of the 13F portfolio, value $414,925.

    13F-HR 0001398344-25-013756 filed by Sippican Capital Advisors
    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 15,269 shares
    Change vs previous 13F +350 shares

    0.39% of the 13F portfolio, value $518,230.

    13F-HR 0001398344-25-007863 filed by Sippican Capital Advisors
    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 14,919 shares
    Change vs previous 13F 0 shares

    0.41% of the 13F portfolio, value $566,624.

    13F-HR 0001398344-25-000969 filed by Sippican Capital Advisors
    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 14,919 shares
    Change vs previous 13F not available

    0.51% of the 13F portfolio, value $734,015.

    13F-HR 0001398344-24-019481 filed by Sippican Capital Advisors
    Filed (acceptance time not in the bulk data set), ingested

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