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MARTINGALE ASSET MANAGEMENT L P: OGS position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 81,800 OGS 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 81,800 shares
    Change vs previous 13F +8,985 shares

    0.15% of the 13F portfolio, value $6,304,326.

    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 72,815 shares
    Change vs previous 13F +18,630 shares

    0.16% of the 13F portfolio, value $6,271,556.

    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 54,185 shares
    Change vs previous 13F +13,448 shares

    0.11% of the 13F portfolio, value $4,185,792.

    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 40,737 shares
    Change vs previous 13F +7,280 shares

    0.08% of the 13F portfolio, value $3,297,254.

    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 33,457 shares
    Change vs previous 13F +7,337 shares

    0.06% of the 13F portfolio, value $2,404,221.

    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 26,120 shares
    Change vs previous 13F -600 shares

    0.05% of the 13F portfolio, value $1,974,411.

    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 26,720 shares
    Change vs previous 13F -790 shares

    0.05% of the 13F portfolio, value $1,850,360.

    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 27,510 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $2,047,295.

    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).