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Assenagon Asset Management S.A.: WMB position timeline

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

Assenagon Asset Management S.A. held 58,738 WMB shares at 2026-06-30 per its 13F-HR/A filed 2026-08-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 58,738 shares
    Change vs previous 13F -733,339 shares

    0.01% of the 13F portfolio, value $4,366,583.

    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).

  2. period ended2026-03-31
    13F 792,077 shares
    Change vs previous 13F +164,159 shares

    0.09% of the 13F portfolio, value $57,647,364.

    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).

  3. period ended2025-12-31
    13F 627,918 shares
    Change vs previous 13F -996,968 shares

    0.06% of the 13F portfolio, value $37,744,151.

    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).

  4. period ended2025-09-30
    13F 1,624,886 shares
    Change vs previous 13F -583,209 shares

    0.15% of the 13F portfolio, value $102,936,528.

    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).

  5. period ended2025-06-30
    13F 2,208,095 shares
    Change vs previous 13F +1,326,774 shares

    0.22% of the 13F portfolio, value $138,690,447.

    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).

  6. period ended2025-03-31
    13F 881,321 shares
    Change vs previous 13F -718,918 shares

    0.09% of the 13F portfolio, value $52,667,743.

    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).

  7. period ended2024-12-31
    13F 1,600,239 shares
    Change vs previous 13F +1,555,667 shares

    0.16% of the 13F portfolio, value $86,604,935.

    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).

  8. period ended2024-09-30
    13F 44,572 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,034,712.

    13F-HR 0001546007-24-000010 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).