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MARTINGALE ASSET MANAGEMENT L P: MRK position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 274,491 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 274,491 shares
    Change vs previous 13F -20,434 shares

    0.84% of the 13F portfolio, value $35,272,094.

    13F-HR 0000936944-26-000006 filed by MARTINGALE ASSET MANAGEMENT L P
    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 294,925 shares
    Change vs previous 13F -28,874 shares

    0.89% of the 13F portfolio, value $35,476,529.

    13F-HR 0000936944-26-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    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 323,799 shares
    Change vs previous 13F -36,028 shares

    0.87% of the 13F portfolio, value $34,083,083.

    13F-HR 0000936944-26-000002 filed by MARTINGALE ASSET MANAGEMENT L P
    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 359,827 shares
    Change vs previous 13F -29,300 shares

    0.76% of the 13F portfolio, value $30,200,281.

    13F-HR 0000936944-25-000010 filed by MARTINGALE ASSET MANAGEMENT L P
    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 389,127 shares
    Change vs previous 13F +62,249 shares

    0.76% of the 13F portfolio, value $30,803,294.

    13F-HR 0000936944-25-000008 filed by MARTINGALE ASSET MANAGEMENT L P
    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 326,878 shares
    Change vs previous 13F -13,631 shares

    0.75% of the 13F portfolio, value $29,340,570.

    13F-HR 0000936944-25-000005 filed by MARTINGALE ASSET MANAGEMENT L P
    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 340,509 shares
    Change vs previous 13F -11,538 shares

    0.82% of the 13F portfolio, value $33,873,836.

    13F-HR 0000936944-25-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    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 352,047 shares
    Change vs previous 13F not available

    0.92% of the 13F portfolio, value $39,978,459.

    13F-HR 0000936944-24-000007 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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