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Disclosery

Banque de Luxembourg S.A.: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Banque de Luxembourg S.A. on BRK-B, newest first. How the timeline and the estimate are built.

Banque de Luxembourg S.A. held 1,760 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-14.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 1,760 shares
    Change vs previous 13F -757 shares

    0.39% of the 13F portfolio, value $876,392.

    13F-HR 0002055344-26-000007 filed by Banque de Luxembourg S.A.
    Accepted , ingested

  2. period ended2026-06-30
    13F 2,517 shares
    Change vs previous 13F 0 shares

    0.59% of the 13F portfolio, value $1,259,482.

    13F-HR 0002055344-26-000003 filed by Banque de Luxembourg S.A.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 2,517 shares
    Change vs previous 13F -240 shares

    0.62% of the 13F portfolio, value $1,206,146.

    13F-HR 0002055344-26-000002 filed by Banque de Luxembourg S.A.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 2,757 shares
    Change vs previous 13F +240 shares

    0.59% of the 13F portfolio, value $1,385,806.

    13F-HR 0002055344-26-000001 filed by Banque de Luxembourg S.A.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 2,517 shares
    Change vs previous 13F +1,000 shares

    0.65% of the 13F portfolio, value $1,265,397.

    13F-HR 0002055344-25-000004 filed by Banque de Luxembourg S.A.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 1,517 shares
    Change vs previous 13F 0 shares

    0.46% of the 13F portfolio, value $807,924.

    13F-HR 0002055344-25-000003 filed by Banque de Luxembourg S.A.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 1,517 shares
    Change vs previous 13F not available

    0.46% of the 13F portfolio, value $807,924.

    13F-HR 0002055344-25-000002 filed by Banque de Luxembourg S.A.
    Filed (acceptance time not in the bulk data set), ingested

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