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MARTINGALE ASSET MANAGEMENT L P: WKC position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 158,156 WKC 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 158,156 shares
    Change vs previous 13F +12,202 shares

    0.12% of the 13F portfolio, value $5,209,659.

    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 145,954 shares
    Change vs previous 13F +23,168 shares

    0.08% of the 13F portfolio, value $3,367,159.

    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 122,786 shares
    Change vs previous 13F +8,637 shares

    0.07% of the 13F portfolio, value $2,876,877.

    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 114,149 shares
    Change vs previous 13F +6,315 shares

    0.07% of the 13F portfolio, value $2,962,168.

    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 107,834 shares
    Change vs previous 13F +40,839 shares

    0.07% of the 13F portfolio, value $3,057,095.

    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 66,995 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $1,899,979.

    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).