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WRIGHT INVESTORS SERVICE INC: MRK position timeline

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

WRIGHT INVESTORS SERVICE INC held 27,422 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 27,422 shares
    Change vs previous 13F -506 shares

    0.96% of the 13F portfolio, value $3,523,727.

    13F-HR 0001062993-26-004028 filed by WRIGHT INVESTORS SERVICE 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 27,928 shares
    Change vs previous 13F +24,272 shares

    1.06% of the 13F portfolio, value $3,359,459.

    13F-HR 0001062993-26-002198 filed by WRIGHT INVESTORS SERVICE 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 3,656 shares
    Change vs previous 13F -115 shares

    0.12% of the 13F portfolio, value $384,831.

    13F-HR 0001062993-26-000423 filed by WRIGHT INVESTORS SERVICE INC
    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 3,771 shares
    Change vs previous 13F -10,466 shares

    0.09% of the 13F portfolio, value $316,500.

    13F-HR 0001062993-25-016320 filed by WRIGHT INVESTORS SERVICE INC
    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 14,237 shares
    Change vs previous 13F +4,348 shares

    0.34% of the 13F portfolio, value $1,127,001.

    13F-HR 0001062993-25-012738 filed by WRIGHT INVESTORS SERVICE INC
    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 9,889 shares
    Change vs previous 13F -1,814 shares

    0.29% of the 13F portfolio, value $887,637.

    13F-HR 0001062993-25-007255 filed by WRIGHT INVESTORS SERVICE INC
    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 11,703 shares
    Change vs previous 13F -9,695 shares

    0.38% of the 13F portfolio, value $1,164,214.

    13F-HR 0001062993-25-000721 filed by WRIGHT INVESTORS SERVICE INC
    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 21,398 shares
    Change vs previous 13F not available

    0.64% of the 13F portfolio, value $2,429,957.

    13F-HR 0001062993-24-017424 filed by WRIGHT INVESTORS SERVICE INC
    Filed (acceptance time not in the bulk data set), ingested

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