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MARTINGALE ASSET MANAGEMENT L P: MWA position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 127,050 MWA 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 127,050 shares
    Change vs previous 13F +3,112 shares

    0.08% of the 13F portfolio, value $3,281,702.

    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 123,938 shares
    Change vs previous 13F +41,051 shares

    0.09% of the 13F portfolio, value $3,407,056.

    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 82,887 shares
    Change vs previous 13F +45,396 shares

    0.05% of the 13F portfolio, value $1,974,369.

    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 37,491 shares
    Change vs previous 13F -5 shares

    0.02% of the 13F portfolio, value $956,771.

    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 37,496 shares
    Change vs previous 13F -64,645 shares

    0.02% of the 13F portfolio, value $901,404.

    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 102,141 shares
    Change vs previous 13F +24,813 shares

    0.07% of the 13F portfolio, value $2,596,425.

    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 77,328 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,739,880.

    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).