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Disclosery

Cumberland Partners Ltd: BRK-B position timeline

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

Cumberland Partners Ltd held 400 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 400 shares
    Change vs previous 13F -50 shares

    0.01% of the 13F portfolio, value $200,156.

    13F-HR 0001104659-26-091472 filed by Cumberland Partners Ltd
    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 450 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $215,640.

    13F-HR 0001104659-26-061281 filed by Cumberland Partners Ltd
    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 450 shares
    Change vs previous 13F +450 shares

    0.01% of the 13F portfolio, value $226,193.

    13F-HR 0001104659-26-011555 filed by Cumberland Partners Ltd
    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 0 shares
    Change vs previous 13F -8,392 shares

    13F-HR 0001104659-25-108486 filed by Cumberland Partners Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-06-30
    13F 8,392 shares
    Change vs previous 13F -125 shares

    0.28% of the 13F portfolio, value $4,076,582.

    13F-HR 0001104659-25-076298 filed by Cumberland Partners Ltd
    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 8,517 shares
    Change vs previous 13F -258 shares

    0.35% of the 13F portfolio, value $4,535,984.

    13F-HR 0001104659-25-046329 filed by Cumberland Partners Ltd
    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 8,775 shares
    Change vs previous 13F -592 shares

    0.28% of the 13F portfolio, value $3,977,532.

    13F-HR 0001104659-25-008295 filed by Cumberland Partners Ltd
    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 9,367 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $4,311,255.

    13F-HR 0001104659-24-114380 filed by Cumberland Partners Ltd
    Filed (acceptance time not in the bulk data set), ingested

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