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Rhenman & Partners Asset Management AB: MRK position timeline

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

Rhenman & Partners Asset Management AB held 213,500 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 213,500 shares
    Change vs previous 13F +213,500 shares

    2.59% of the 13F portfolio, value $27,434,750.

    13F-HR 0001213900-26-088652 filed by Rhenman & Partners Asset Management AB
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -33,000 shares

    13F-HR 0001213900-25-075249 filed by Rhenman & Partners Asset Management AB
    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.

  3. period ended2025-03-31
    13F 33,000 shares
    Change vs previous 13F -244,500 shares

    0.34% of the 13F portfolio, value $2,962,080.

    13F-HR 0001213900-25-042939 filed by Rhenman & Partners Asset Management AB
    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 277,500 shares
    Change vs previous 13F +36,500 shares

    2.84% of the 13F portfolio, value $27,605,700.

    13F-HR 0001213900-25-013150 filed by Rhenman & Partners Asset Management AB
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 241,000 shares
    Change vs previous 13F not available

    2.22% of the 13F portfolio, value $27,367,960.

    13F-HR 0001213900-24-097092 filed by Rhenman & Partners Asset Management AB
    Filed (acceptance time not in the bulk data set), ingested

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