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Assenagon Asset Management S.A.: AXSM position timeline

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

Assenagon Asset Management S.A. held 454,682 AXSM 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 454,682 shares
    Change vs previous 13F -411,276 shares

    0.14% of the 13F portfolio, value $111,292,513.

    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 865,958 shares
    Change vs previous 13F +397,976 shares

    0.23% of the 13F portfolio, value $146,364,221.

    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 467,982 shares
    Change vs previous 13F +173,211 shares

    0.13% of the 13F portfolio, value $85,472,232.

    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 294,771 shares
    Change vs previous 13F +113,811 shares

    0.05% of the 13F portfolio, value $35,799,938.

    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 180,960 shares
    Change vs previous 13F -446,458 shares

    0.03% of the 13F portfolio, value $18,890,414.

    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 627,418 shares
    Change vs previous 13F +623,717 shares

    0.13% of the 13F portfolio, value $73,175,761.

    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 3,701 shares
    Change vs previous 13F -782 shares

    <0.01% of the 13F portfolio, value $313,142.

    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 4,483 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $402,887.

    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).