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Disclosery

THOMPSON SIEGEL & WALMSLEY LLC: MRK position timeline

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

THOMPSON SIEGEL & WALMSLEY LLC held 274,133 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 274,133 shares
    Change vs previous 13F -568 shares

    0.64% of the 13F portfolio, value $35,226,000.

    13F-HR 0001008322-26-000009 filed by THOMPSON SIEGEL & WALMSLEY 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 274,701 shares
    Change vs previous 13F -27,181 shares

    0.58% of the 13F portfolio, value $33,044,000.

    13F-HR 0001008322-26-000006 filed by THOMPSON SIEGEL & WALMSLEY 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 301,882 shares
    Change vs previous 13F -505 shares

    0.54% of the 13F portfolio, value $31,776,000.

    13F-HR 0001008322-26-000003 filed by THOMPSON SIEGEL & WALMSLEY 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 302,387 shares
    Change vs previous 13F +17,077 shares

    0.41% of the 13F portfolio, value $25,379,000.

    13F-HR 0001008322-25-000017 filed by THOMPSON SIEGEL & WALMSLEY 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 285,310 shares
    Change vs previous 13F +12,888 shares

    0.38% of the 13F portfolio, value $22,585,000.

    13F-HR 0001008322-25-000011 filed by THOMPSON SIEGEL & WALMSLEY 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 272,422 shares
    Change vs previous 13F +25,997 shares

    0.42% of the 13F portfolio, value $24,453,000.

    13F-HR 0001008322-25-000008 filed by THOMPSON SIEGEL & WALMSLEY 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 246,425 shares
    Change vs previous 13F -1,662 shares

    0.38% of the 13F portfolio, value $24,514,000.

    13F-HR 0001008322-25-000003 filed by THOMPSON SIEGEL & WALMSLEY 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 248,087 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $28,173,000.

    13F-HR 0001008322-24-000016 filed by THOMPSON SIEGEL & WALMSLEY LLC
    Filed (acceptance time not in the bulk data set), ingested

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