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Winthrop Capital Management, LLC: MRK position timeline

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

Winthrop Capital Management, LLC held 12,254 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 12,254 shares
    Change vs previous 13F +45 shares

    0.38% of the 13F portfolio, value $1,575,000.

    13F-HR 0001999371-26-017740 filed by Winthrop Capital Management, 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 12,209 shares
    Change vs previous 13F +220 shares

    0.38% of the 13F portfolio, value $1,469,000.

    13F-HR 0001999371-26-009196 filed by Winthrop Capital 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 ended2025-12-31
    13F 11,989 shares
    Change vs previous 13F -1,720 shares

    0.29% of the 13F portfolio, value $1,262,000.

    13F-HR 0001999371-26-002954 filed by Winthrop Capital 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 ended2025-09-30
    13F 13,709 shares
    Change vs previous 13F +458 shares

    0.28% of the 13F portfolio, value $1,151,000.

    13F-HR 0001999371-25-017607 filed by Winthrop Capital 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 ended2025-06-30
    13F 13,251 shares
    Change vs previous 13F -1,013 shares

    0.27% of the 13F portfolio, value $1,049,000.

    13F-HR 0001999371-25-010763 filed by Winthrop Capital 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 ended2025-03-31
    13F 14,264 shares
    Change vs previous 13F +279 shares

    0.35% of the 13F portfolio, value $1,280,000.

    13F-HR 0001999371-25-005506 filed by Winthrop Capital 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 ended2024-12-31
    13F 13,985 shares
    Change vs previous 13F +792 shares

    0.37% of the 13F portfolio, value $1,376,000.

    13F-HR 0001839882-25-008932 filed by Winthrop Capital 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 ended2024-09-30
    13F 13,193 shares
    Change vs previous 13F not available

    0.71% of the 13F portfolio, value $1,498,000.

    13F-HR 0001999371-24-014240 filed by Winthrop Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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