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SECTORAL ASSET MANAGEMENT INC: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SECTORAL ASSET MANAGEMENT INC on MRK, newest first. How the timeline and the estimate are built.

SECTORAL ASSET MANAGEMENT INC held 21,480 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 21,480 shares
    Change vs previous 13F 0 shares

    1.94% of the 13F portfolio, value $2,772,981.

    13F-HR 0001104659-26-096554 filed by SECTORAL ASSET MANAGEMENT INC
    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 21,480 shares
    Change vs previous 13F +80 shares

    2.14% of the 13F portfolio, value $2,583,829.

    13F-HR 0001104659-26-062046 filed by SECTORAL ASSET MANAGEMENT INC
    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 21,400 shares
    Change vs previous 13F +5,000 shares

    1.81% of the 13F portfolio, value $2,252,564.

    13F-HR 0001104659-26-011921 filed by SECTORAL ASSET MANAGEMENT INC
    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 16,400 shares
    Change vs previous 13F -4,500 shares

    0.86% of the 13F portfolio, value $1,385,751.

    13F-HR 0001104659-25-112082 filed by SECTORAL ASSET MANAGEMENT INC
    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 20,900 shares
    Change vs previous 13F -6,000 shares

    1.1% of the 13F portfolio, value $1,666,294.

    13F-HR 0001104659-25-078356 filed by SECTORAL ASSET MANAGEMENT INC
    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 26,900 shares
    Change vs previous 13F +2,400 shares

    1.88% of the 13F portfolio, value $2,414,544.

    13F-HR 0001104659-25-049125 filed by SECTORAL ASSET MANAGEMENT INC
    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 24,500 shares
    Change vs previous 13F +500 shares

    1.63% of the 13F portfolio, value $2,437,260.

    13F-HR 0001104659-25-013709 filed by SECTORAL ASSET MANAGEMENT INC
    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 24,000 shares
    Change vs previous 13F not available

    1.61% of the 13F portfolio, value $2,725,440.

    13F-HR 0001104659-24-118494 filed by SECTORAL ASSET MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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