Skip to content
Disclosery

W1M Investment Management Ltd: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of W1M Investment Management Ltd on BRK-B, newest first. How the timeline and the estimate are built.

W1M Investment Management Ltd held 0 BRK-B shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -63,013 shares

    13F-HR 0001172661-26-000962 filed by W1M Investment Management 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.

  2. period ended2025-09-30
    13F 63,013 shares
    Change vs previous 13F -2,685 shares

    0.41% of the 13F portfolio, value $31,671,280.

    13F-HR 0001172661-25-004705 filed by W1M Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 65,698 shares
    Change vs previous 13F -4,469 shares

    0.44% of the 13F portfolio, value $31,874,371.

    13F-HR 0001140361-25-029062 filed by W1M Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 70,167 shares
    Change vs previous 13F -13 shares

    0.58% of the 13F portfolio, value $37,418,307.

    13F-HR 0001140361-25-015311 filed by W1M Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F 70,180 shares
    Change vs previous 13F -6,744 shares

    0.51% of the 13F portfolio, value $31,837,508.

    13F-HR 0001140361-25-002947 filed by W1M Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 76,924 shares
    Change vs previous 13F not available

    0.58% of the 13F portfolio, value $35,400,810.

    13F-HR 0001140361-24-045192 filed by W1M Investment Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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