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Assenagon Asset Management S.A.: ATEC position timeline

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

Assenagon Asset Management S.A. held 161,238 ATEC 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 161,238 shares
    Change vs previous 13F -95,643 shares

    <0.01% of the 13F portfolio, value $1,394,709.

    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 256,881 shares
    Change vs previous 13F -721,462 shares

    <0.01% of the 13F portfolio, value $2,794,865.

    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 978,343 shares
    Change vs previous 13F +227,914 shares

    0.03% of the 13F portfolio, value $20,584,337.

    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 750,429 shares
    Change vs previous 13F +739,982 shares

    0.02% of the 13F portfolio, value $10,911,238.

    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 10,447 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $115,962.

    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 10,447 shares
    Change vs previous 13F -2,079 shares

    <0.01% of the 13F portfolio, value $105,933.

    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 12,526 shares
    Change vs previous 13F -27,960 shares

    <0.01% of the 13F portfolio, value $114,989.

    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 40,486 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $225,102.

    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).