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Disclosery

Castlefield Investment Partners LLP: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Castlefield Investment Partners LLP on MRK, newest first. How the timeline and the estimate are built.

Castlefield Investment Partners LLP held 41,797 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 41,797 shares
    Change vs previous 13F -1,896 shares

    3.65% of the 13F portfolio, value $5,370,915.

    13F-HR 0002109835-26-000010 filed by Castlefield Investment Partners LLP
    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 43,693 shares
    Change vs previous 13F +1,588 shares

    4.02% of the 13F portfolio, value $5,255,831.

    13F-HR 0002109835-26-000006 filed by Castlefield Investment Partners LLP
    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/A 42,105 shares
    Change vs previous 13F not available

    3.42% of the 13F portfolio, value $4,431,972.

    13F-HR/A 0002109835-26-000005 filed by Castlefield Investment Partners LLP
    Filed (acceptance time not in the bulk data set), ingested

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