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Disclosery

S.A. Mason LLC: MRK position timeline

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

S.A. Mason LLC held 4,968 MRK shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,968 shares
    Change vs previous 13F +8 shares

    0.2% of the 13F portfolio, value $638,343.

    13F-HR 0001800911-26-000003 filed by S.A. Mason LLC
    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 4,960 shares
    Change vs previous 13F +9 shares

    0.22% of the 13F portfolio, value $596,585.

    13F-HR 0001800911-26-000002 filed by S.A. Mason LLC
    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 4,951 shares
    Change vs previous 13F -10 shares

    0.21% of the 13F portfolio, value $521,147.

    13F-HR 0001800911-26-000001 filed by S.A. Mason LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 4,961 shares
    Change vs previous 13F +11 shares

    0.18% of the 13F portfolio, value $416,365.

    13F-HR 0001800911-25-000005 filed by S.A. Mason LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 4,950 shares
    Change vs previous 13F -1,074 shares

    0.19% of the 13F portfolio, value $391,845.

    13F-HR 0001800911-25-000003 filed by S.A. Mason LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 6,024 shares
    Change vs previous 13F +9 shares

    0.29% of the 13F portfolio, value $540,734.

    13F-HR 0001800911-25-000002 filed by S.A. Mason LLC
    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 6,015 shares
    Change vs previous 13F +7 shares

    0.31% of the 13F portfolio, value $598,420.

    13F-HR 0001800911-25-000001 filed by S.A. Mason LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 6,008 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $682,259.

    13F-HR 0001800911-24-000005 filed by S.A. Mason LLC
    Filed (acceptance time not in the bulk data set), ingested

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