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Disclosery

PICTON MAHONEY ASSET MANAGEMENT: MRK position timeline

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

PICTON MAHONEY ASSET MANAGEMENT held 176,844 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 176,844 shares
    Change vs previous 13F +41,641 shares

    0.21% of the 13F portfolio, value $22,724,460.

    13F-HR 0001539041-26-000020 filed by PICTON MAHONEY ASSET MANAGEMENT
    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 135,203 shares
    Change vs previous 13F +135,203 shares

    0.17% of the 13F portfolio, value $16,263,569.

    13F-HR 0001539041-26-000013 filed by PICTON MAHONEY ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -2 shares

    13F-HR 0001539041-25-000036 filed by PICTON MAHONEY ASSET MANAGEMENT
    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.

  4. period ended2025-03-31
    13F 2 shares
    Change vs previous 13F -126,467 shares

    0% of the 13F portfolio, value $0.

    13F-HR 0001539041-25-000015 filed by PICTON MAHONEY ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F/A 126,469 shares
    Change vs previous 13F +18,584 shares

    0.48% of the 13F portfolio, value $12,581,000.

    13F-HR/A 0001539041-25-000006 filed by PICTON MAHONEY ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 107,885 shares
    Change vs previous 13F not available

    0.47% of the 13F portfolio, value $12,252,000.

    13F-HR 0001539041-24-000012 filed by PICTON MAHONEY ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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