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Corundum Trust Company, INC: MRK position timeline

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

Corundum Trust Company, INC held 1,824 MRK shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,824 shares
    Change vs previous 13F 0 shares

    0.63% of the 13F portfolio, value $234,384.

    13F-HR 0001987720-26-000003 filed by Corundum Trust Company, 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 1,824 shares
    Change vs previous 13F +1,824 shares

    0.5% of the 13F portfolio, value $219,409.

    13F-HR 0001987720-26-000002 filed by Corundum Trust Company, 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 0 shares
    Change vs previous 13F -1,963 shares

    13F-HR 0001987720-26-000001 filed by Corundum Trust Company, INC
    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 ended2025-09-30
    13F 1,963 shares
    Change vs previous 13F +1,963 shares

    0.36% of the 13F portfolio, value $164,755.

    13F-HR 0001987720-25-000007 filed by Corundum Trust Company, INC
    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 0 shares
    Change vs previous 13F -1,982 shares

    13F-HR 0001987720-25-000001 filed by Corundum Trust Company, INC
    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.

  6. period ended2024-09-30
    13F 1,982 shares
    Change vs previous 13F not available

    0.62% of the 13F portfolio, value $225,076.

    13F-HR 0001987720-24-000002 filed by Corundum Trust Company, INC
    Filed (acceptance time not in the bulk data set), ingested

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