Skip to content
Disclosery

Old Port Advisors: BRK-B position timeline

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

Old Port Advisors held 17,335 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,335 shares
    Change vs previous 13F +1,494 shares

    1.71% of the 13F portfolio, value $8,674,276.

    13F-HR 0001744348-26-000003 filed by Old Port 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 15,841 shares
    Change vs previous 13F +39 shares

    1.75% of the 13F portfolio, value $7,591,021.

    13F-HR 0001744348-26-000002 filed by Old Port 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 15,802 shares
    Change vs previous 13F +11 shares

    1.96% of the 13F portfolio, value $7,942,890.

    13F-HR 0001744348-26-000001 filed by Old Port 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 15,791 shares
    Change vs previous 13F -50 shares

    2% of the 13F portfolio, value $7,938,782.

    13F-HR 0001744348-25-000006 filed by Old Port 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 15,841 shares
    Change vs previous 13F -155 shares

    2.1% of the 13F portfolio, value $7,695,097.

    13F-HR 0001744348-25-000004 filed by Old Port 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 15,996 shares
    Change vs previous 13F -379 shares

    2.53% of the 13F portfolio, value $8,519,152.

    13F-HR 0001744348-25-000003 filed by Old Port 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 16,375 shares
    Change vs previous 13F -76 shares

    2.13% of the 13F portfolio, value $7,422,462.

    13F-HR 0001744348-25-000001 filed by Old Port 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 16,451 shares
    Change vs previous 13F not available

    2.1% of the 13F portfolio, value $7,571,540.

    13F-HR 0001744348-24-000004 filed by Old Port Advisors
    Filed (acceptance time not in the bulk data set), ingested

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