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Assenagon Asset Management S.A.: MRK position timeline

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

Assenagon Asset Management S.A. held 2,702,992 MRK 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 2,702,992 shares
    Change vs previous 13F +1,959,778 shares

    0.45% of the 13F portfolio, value $347,334,472.

    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 743,214 shares
    Change vs previous 13F +201,642 shares

    0.14% of the 13F portfolio, value $89,401,212.

    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 541,572 shares
    Change vs previous 13F -4,955,092 shares

    0.09% of the 13F portfolio, value $57,005,869.

    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 5,496,664 shares
    Change vs previous 13F +3,618,532 shares

    0.68% of the 13F portfolio, value $461,335,010.

    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 1,878,132 shares
    Change vs previous 13F +1,391,088 shares

    0.24% of the 13F portfolio, value $148,672,929.

    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 487,044 shares
    Change vs previous 13F -222,494 shares

    0.08% of the 13F portfolio, value $43,717,069.

    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 709,538 shares
    Change vs previous 13F -1,440,399 shares

    0.13% of the 13F portfolio, value $70,584,840.

    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 2,149,937 shares
    Change vs previous 13F not available

    0.5% of the 13F portfolio, value $244,146,846.

    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).