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Douglass Winthrop Advisors, LLC: MRK position timeline

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

Douglass Winthrop Advisors, LLC held 291,325 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 291,325 shares
    Change vs previous 13F -1,003 shares

    0.65% of the 13F portfolio, value $37,435,301.

    13F-HR 0001308527-26-000003 filed by Douglass Winthrop Advisors, 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 292,328 shares
    Change vs previous 13F -15,002 shares

    0.64% of the 13F portfolio, value $35,164,150.

    13F-HR 0001308527-26-000002 filed by Douglass Winthrop Advisors, 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 307,330 shares
    Change vs previous 13F -1,597 shares

    0.57% of the 13F portfolio, value $32,349,537.

    13F-HR 0001308527-26-000001 filed by Douglass Winthrop Advisors, 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 308,927 shares
    Change vs previous 13F +25,337 shares

    0.45% of the 13F portfolio, value $25,928,252.

    13F-HR 0001308527-25-000007 filed by Douglass Winthrop Advisors, 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 283,590 shares
    Change vs previous 13F -12,143 shares

    0.41% of the 13F portfolio, value $22,449,012.

    13F-HR 0001308527-25-000004 filed by Douglass Winthrop Advisors, 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 295,733 shares
    Change vs previous 13F -19,726 shares

    0.5% of the 13F portfolio, value $26,544,956.

    13F-HR 0001308527-25-000003 filed by Douglass Winthrop Advisors, 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 315,459 shares
    Change vs previous 13F -13,284 shares

    0.61% of the 13F portfolio, value $31,381,858.

    13F-HR 0001308527-25-000002 filed by Douglass Winthrop Advisors, 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 328,743 shares
    Change vs previous 13F not available

    0.71% of the 13F portfolio, value $37,332,104.

    13F-HR 0001308527-24-000009 filed by Douglass Winthrop Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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