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Assenagon Asset Management S.A.: AMGN position timeline

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

Assenagon Asset Management S.A. held 191,247 AMGN 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 191,247 shares
    Change vs previous 13F -153,498 shares

    0.09% of the 13F portfolio, value $69,254,364.

    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 344,745 shares
    Change vs previous 13F +181,580 shares

    0.19% of the 13F portfolio, value $121,298,528.

    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 163,165 shares
    Change vs previous 13F -59,138 shares

    0.08% of the 13F portfolio, value $53,405,536.

    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 222,303 shares
    Change vs previous 13F -296,301 shares

    0.09% of the 13F portfolio, value $62,733,907.

    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 518,604 shares
    Change vs previous 13F +486,299 shares

    0.23% of the 13F portfolio, value $144,799,423.

    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 32,305 shares
    Change vs previous 13F -609,744 shares

    0.02% of the 13F portfolio, value $10,064,623.

    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 642,049 shares
    Change vs previous 13F -897,684 shares

    0.3% of the 13F portfolio, value $167,343,651.

    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 1,539,733 shares
    Change vs previous 13F not available

    1.02% of the 13F portfolio, value $496,117,370.

    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).