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Werlinich Asset Management, LLC: MRK position timeline

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

Werlinich Asset Management, LLC held 28,835 MRK shares at 2026-09-30 per its 13F-HR filed 2026-10-09.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 28,835 shares
    Change vs previous 13F 0 shares

    1.62% of the 13F portfolio, value $4,190,014.

    13F-HR 0001951757-26-001654 filed by Werlinich Asset Management, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 28,835 shares
    Change vs previous 13F 0 shares

    1.42% of the 13F portfolio, value $3,705,298.

    13F-HR 0001951757-26-000949 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 28,835 shares
    Change vs previous 13F 0 shares

    1.68% of the 13F portfolio, value $3,468,562.

    13F-HR 0001951757-26-000544 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 28,835 shares
    Change vs previous 13F 0 shares

    1.51% of the 13F portfolio, value $3,058,240.

    13F-HR 0001951757-26-000009 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 28,835 shares
    Change vs previous 13F +50 shares

    1.2% of the 13F portfolio, value $2,420,122.

    13F-HR 0001085146-25-005811 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 28,785 shares
    Change vs previous 13F +665 shares

    1.24% of the 13F portfolio, value $2,278,621.

    13F-HR 0001085146-25-003680 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 28,120 shares
    Change vs previous 13F +2,530 shares

    1.6% of the 13F portfolio, value $2,524,051.

    13F-HR 0001085146-25-002087 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 25,590 shares
    Change vs previous 13F not available

    1.46% of the 13F portfolio, value $2,517,288.

    13F-HR 0001085146-25-000215 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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