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Disclosery

Assenagon Asset Management S.A.: BRK-B position timeline

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

Assenagon Asset Management S.A. held 4,558,653 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-15.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 4,558,653 shares
    Change vs previous 13F +1,209,896 shares

    2.27% of the 13F portfolio, value $2,269,981,261.

    13F-HR 0001546007-26-000008 filed by Assenagon Asset Management S.A.
    Accepted , ingested

  2. period ended2026-06-30
    13F/A 3,348,757 shares
    Change vs previous 13F +1,041,091 shares

    2.17% of the 13F portfolio, value $1,675,684,515.

    13F-HR/A 0001546007-26-000007 filed by Assenagon Asset Management 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 2,307,666 shares
    Change vs previous 13F +527,432 shares

    1.77% of the 13F portfolio, value $1,105,833,547.

    13F-HR 0001546007-26-000003 filed by Assenagon Asset Management 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 1,780,234 shares
    Change vs previous 13F -944,674 shares

    1.34% of the 13F portfolio, value $894,834,620.

    13F-HR 0001546007-26-000002 filed by Assenagon Asset Management 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 2,724,908 shares
    Change vs previous 13F +1,744,915 shares

    2.02% of the 13F portfolio, value $1,369,920,248.

    13F-HR 0001546007-25-000008 filed by Assenagon Asset Management 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 979,993 shares
    Change vs previous 13F -514,980 shares

    0.76% of the 13F portfolio, value $476,051,200.

    13F-HR 0001546007-25-000005 filed by Assenagon Asset Management 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 1,494,973 shares
    Change vs previous 13F -2,625,027 shares

    1.42% of the 13F portfolio, value $796,192,720.

    13F-HR 0001546007-25-000003 filed by Assenagon Asset Management S.A.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 4,120,000 shares
    Change vs previous 13F not available

    3.35% of the 13F portfolio, value $1,867,513,600.

    13F-HR 0001546007-25-000002 filed by Assenagon Asset Management S.A.
    Filed (acceptance time not in the bulk data set), ingested

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