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JENNISON ASSOCIATES LLC: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of JENNISON ASSOCIATES LLC on MRK, newest first. How the timeline and the estimate are built.

JENNISON ASSOCIATES LLC held 2,728,958 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,728,958 shares
    Change vs previous 13F -3,520,379 shares

    0.21% of the 13F portfolio, value $350,671,044.

    13F-HR 0000053417-26-000052 filed by JENNISON ASSOCIATES LLC
    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 6,249,337 shares
    Change vs previous 13F +689,849 shares

    0.52% of the 13F portfolio, value $751,732,708.

    13F-HR 0000053417-26-000040 filed by JENNISON ASSOCIATES LLC
    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 5,559,488 shares
    Change vs previous 13F +5,559,488 shares

    0.35% of the 13F portfolio, value $585,191,693.

    13F-HR 0000053417-26-000012 filed by JENNISON ASSOCIATES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -1,080,765 shares

    13F-HR 0000053417-25-000022 filed by JENNISON ASSOCIATES LLC
    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.

  5. period ended2024-09-30
    13F 1,080,765 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $122,731,673.

    13F-HR 0000053417-24-000087 filed by JENNISON ASSOCIATES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).