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THOMPSON INVESTMENT MANAGEMENT, INC.: MRK position timeline

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

THOMPSON INVESTMENT MANAGEMENT, INC. held 19,451 MRK shares at 2026-09-30 per its 13F-HR filed 2026-10-14.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 19,451 shares
    Change vs previous 13F -5,019 shares

    0.32% of the 13F portfolio, value $2,826,425.

    13F-HR 0001277279-26-000008 filed by THOMPSON INVESTMENT MANAGEMENT, INC.
    Accepted , ingested

  2. period ended2026-06-30
    13F 24,470 shares
    Change vs previous 13F +17 shares

    0.36% of the 13F portfolio, value $3,144,395.

    13F-HR 0001277279-26-000006 filed by THOMPSON INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 24,453 shares
    Change vs previous 13F -433 shares

    0.38% of the 13F portfolio, value $2,941,451.

    13F-HR 0001277279-26-000004 filed by THOMPSON INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 24,886 shares
    Change vs previous 13F -38 shares

    0.33% of the 13F portfolio, value $2,619,500.

    13F-HR 0001277279-26-000002 filed by THOMPSON INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 24,924 shares
    Change vs previous 13F +6,495 shares

    0.28% of the 13F portfolio, value $2,091,871.

    13F-HR 0001277279-25-000008 filed by THOMPSON INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 18,429 shares
    Change vs previous 13F 0 shares

    0.21% of the 13F portfolio, value $1,458,840.

    13F-HR 0001277279-25-000006 filed by THOMPSON INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 18,429 shares
    Change vs previous 13F -284 shares

    0.25% of the 13F portfolio, value $1,654,187.

    13F-HR 0001277279-25-000004 filed by THOMPSON INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 18,713 shares
    Change vs previous 13F not available

    0.27% of the 13F portfolio, value $1,861,569.

    13F-HR 0001277279-25-000002 filed by THOMPSON INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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