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Disclosery

Assenagon Asset Management S.A.: IONS position timeline

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

Assenagon Asset Management S.A. held 40,927 IONS 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 40,927 shares
    Change vs previous 13F +7,254 shares

    <0.01% of the 13F portfolio, value $3,245,102.

    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 33,673 shares
    Change vs previous 13F +4,357 shares

    <0.01% of the 13F portfolio, value $2,528,506.

    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 29,316 shares
    Change vs previous 13F -282,981 shares

    <0.01% of the 13F portfolio, value $2,319,189.

    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 312,297 shares
    Change vs previous 13F +294,643 shares

    0.03% of the 13F portfolio, value $20,430,470.

    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 17,654 shares
    Change vs previous 13F +17,654 shares

    <0.01% of the 13F portfolio, value $697,510.

    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 0 shares
    Change vs previous 13F -141,917 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 141,917 shares
    Change vs previous 13F +128,619 shares

    0.01% of the 13F portfolio, value $4,961,418.

    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 13,298 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $532,718.

    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).