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Disclosery

ABN AMRO INVESTMENT SOLUTIONS: BRK-B position timeline

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

ABN AMRO INVESTMENT SOLUTIONS held 86,322 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 86,322 shares
    Change vs previous 13F +15,501 shares

    0.37% of the 13F portfolio, value $43,194,666.

    13F-HR 0002080520-26-000003 filed by ABN AMRO INVESTMENT SOLUTIONS
    Filed (acceptance time not in the bulk data set), ingested

    • ABN AMRO Bank N.V.: 31,385 shares (included in another member's report, not added)
    • ABN AMRO INVESTMENT SOLUTIONS: 86,322 shares

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

  2. period ended2026-03-31
    13F 70,821 shares
    Change vs previous 13F -107,078 shares

    0.44% of the 13F portfolio, value $33,937,423.

    13F-HR 0002080520-26-000002 filed by ABN AMRO INVESTMENT SOLUTIONS
    Filed (acceptance time not in the bulk data set), ingested

    • ABN AMRO Bank N.V.: 48,933 shares (included in another member's report, not added)
    • ABN AMRO INVESTMENT SOLUTIONS: 70,821 shares

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

  3. period ended2025-12-31
    13F 177,899 shares
    Change vs previous 13F +53,035 shares

    0.51% of the 13F portfolio, value $89,260,629.

    13F-HR 0001561082-26-000001 filed by ABN AMRO Bank N.V.
    Filed (acceptance time not in the bulk data set), ingested

    • ABN AMRO Bank N.V.: 114,558 shares
    • ABN AMRO INVESTMENT SOLUTIONS: 63,341 shares

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

  4. period ended2025-09-30
    13F 124,864 shares
    Share basis changed not comparable

    Membership change: ABN AMRO Bank N.V. joined the group. 0.41% of the 13F portfolio, value $62,376,257.

    13F-HR 0001561082-25-000019 filed by ABN AMRO Bank N.V.
    Filed (acceptance time not in the bulk data set), ingested

    • ABN AMRO Bank N.V.: 111,986 shares
    • ABN AMRO INVESTMENT SOLUTIONS: 12,878 shares

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

  5. period ended2025-06-30
    13F 13,794 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $6,700,711.

    13F-HR 0002080520-25-000001 filed by ABN AMRO INVESTMENT SOLUTIONS
    Filed (acceptance time not in the bulk data set), ingested

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