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Portland Global Advisors LLC: BRK-B position timeline

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

Portland Global Advisors LLC held 4,021 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 4,021 shares
    Change vs previous 13F -64 shares

    0.19% of the 13F portfolio, value $2,012,068.

    13F-HR 0001504941-26-000004 filed by Portland Global Advisors LLC
    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 4,085 shares
    Change vs previous 13F -26 shares

    0.21% of the 13F portfolio, value $1,957,532.

    13F-HR 0001504941-26-000003 filed by Portland Global Advisors LLC
    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 4,111 shares
    Change vs previous 13F -253 shares

    0.22% of the 13F portfolio, value $2,066,394.

    13F-HR 0001504941-26-000001 filed by Portland Global Advisors LLC
    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 4,364 shares
    Change vs previous 13F -152 shares

    0.24% of the 13F portfolio, value $2,193,957.

    13F-HR 0001504941-25-000007 filed by Portland Global Advisors LLC
    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 4,516 shares
    Change vs previous 13F +81 shares

    0.26% of the 13F portfolio, value $2,193,737.

    13F-HR 0001504941-25-000006 filed by Portland Global Advisors LLC
    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 4,435 shares
    Change vs previous 13F 0 shares

    0.3% of the 13F portfolio, value $2,361,992.

    13F-HR 0001504941-25-000005 filed by Portland Global Advisors LLC
    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 4,435 shares
    Change vs previous 13F +5 shares

    0.25% of the 13F portfolio, value $2,010,297.

    13F-HR 0001504941-25-000001 filed by Portland Global Advisors LLC
    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 4,430 shares
    Change vs previous 13F not available

    0.26% of the 13F portfolio, value $2,038,952.

    13F-HR 0001504941-24-000005 filed by Portland Global Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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